From 36a6de7b1465745c4ab156efbd6a9b26774392f7 Mon Sep 17 00:00:00 2001 From: Asturur Date: Sun, 2 Jul 2017 11:29:03 +0200 Subject: [PATCH 1/2] working example --- dist/fabric.js | 1076 +++++++++++++++++++------------------ dist/fabric.min.js | 18 +- dist/fabric.min.js.gz | Bin 74377 -> 75006 bytes dist/fabric.require.js | 701 +++++++++++++----------- src/elements_parser.js | 3 + src/shapes/image.class.js | 163 +++--- src/util/misc.js | 8 + 7 files changed, 1037 insertions(+), 932 deletions(-) diff --git a/dist/fabric.js b/dist/fabric.js index 0179fca945b..c72ad80995f 100644 --- a/dist/fabric.js +++ b/dist/fabric.js @@ -62,7 +62,32 @@ fabric.DPI = 96; fabric.reNum = '(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)'; fabric.fontPaths = { }; fabric.iMatrix = [1, 0, 0, 1, 0, 0]; -fabric.canvasModule = 'canvas-prebuilt'; +fabric.canvasModule = 'canvas'; + +/** + * Pixel limit for cache canvases. 1Mpx , 4Mpx should be fine. + * @since 1.7.14 + * @type Number + * @default + */ +fabric.perfLimitSizeTotal = 2097152; + +/** + * Pixel limit for cache canvases width or height. IE fixes the maximum at 5000 + * @since 1.7.14 + * @type Number + * @default + */ +fabric.maxCacheSideLimit = 4096; + +/** + * Lowest pixel limit for cache canvases, set at 256PX + * @since 1.7.14 + * @type Number + * @default + */ +fabric.minCacheSideLimit = 256; + /** * Cache Object for widths of chars in text rendering. */ @@ -823,8 +848,7 @@ fabric.CommonMethods = { var enlivenedObjects = [], numLoadedObjects = 0, - numTotalObjects = objects.length, - forceAsync = true; + numTotalObjects = objects.length; if (!numTotalObjects) { callback && callback(enlivenedObjects); @@ -842,7 +866,7 @@ fabric.CommonMethods = { error || (enlivenedObjects[index] = obj); reviver && reviver(o, obj, error); onLoaded(); - }, forceAsync); + }); }); }, @@ -1202,6 +1226,33 @@ fabric.CommonMethods = { else if (fabric.charWidthsCache[fontFamily]) { delete fabric.charWidthsCache[fontFamily]; } + }, + + /** + * Clear char widths cache for a font family. + * @memberOf fabric.util + * @param {Number} ar aspect ratio + * @param {Number} maximumArea Maximum area you want to achieve + * @param {Number} maximumSide biggest side allowed + * @return {Object.x} Limited dimensions by X + * @return {Object.y} Limited dimensions by Y + */ + limitDimsByArea: function(ar, maximumArea) { + var roughWidth = Math.sqrt(maximumArea * ar), + perfLimitSizeY = Math.floor(maximumArea / roughWidth); + return { x: Math.floor(roughWidth), y: perfLimitSizeY }; + }, + + capValue: function(min, value, max) { + return Math.max(min, Math.min(value, max)); + }, + + findScaleToFit: function(source, destination) { + return Math.min(destination.width / source.width, destination.height / source.height); + }, + + findScaleToCover: function(source, destination) { + return Math.max(destination.width / source.width, destination.height / source.height); } }; @@ -3732,9 +3783,9 @@ if (typeof console !== 'undefined') { fabric.gradientDefs[svgUid] = fabric.getGradientDefs(doc); fabric.cssRules[svgUid] = fabric.getCSSRules(doc); // Precedence of rules: style > class > attribute - fabric.parseElements(elements, function(instances) { + fabric.parseElements(elements, function(instances, elements) { if (callback) { - callback(instances, options); + callback(instances, options, elements, descendants); } }, clone(options), reviver, parsingOptions); }; @@ -4039,8 +4090,8 @@ if (typeof console !== 'undefined') { callback && callback(null); } - fabric.parseSVGDocument(xml.documentElement, function (results, _options) { - callback && callback(results, _options); + fabric.parseSVGDocument(xml.documentElement, function (results, _options, elements, allElements) { + callback && callback(results, _options, elements, allElements); }, reviver, options); } }, @@ -4070,8 +4121,8 @@ if (typeof console !== 'undefined') { doc.loadXML(string.replace(//i, '')); } - fabric.parseSVGDocument(doc.documentElement, function (results, _options) { - callback(results, _options); + fabric.parseSVGDocument(doc.documentElement, function (results, _options, elements, allElements) { + callback(results, _options, elements, allElements); }, reviver, options); } }); @@ -4122,18 +4173,7 @@ fabric.ElementsParser.prototype.createObject = function(el, index) { }; fabric.ElementsParser.prototype._createObject = function(klass, el, index) { - if (klass.async) { - klass.fromElement(el, this.createCallback(index, el), this.options); - } - else { - var obj = klass.fromElement(el, this.options); - this.resolveGradient(obj, 'fill'); - this.resolveGradient(obj, 'stroke'); - obj._removeTransformMatrix(); - this.reviver && this.reviver(el, obj); - this.instances[index] = obj; - this.checkIfDone(); - } + klass.fromElement(el, this.createCallback(index, el), this.options); }; fabric.ElementsParser.prototype.createCallback = function(index, el) { @@ -4142,6 +4182,9 @@ fabric.ElementsParser.prototype.createCallback = function(index, el) { _this.resolveGradient(obj, 'fill'); _this.resolveGradient(obj, 'stroke'); obj._removeTransformMatrix(); + if (obj instanceof fabric.Image) { + obj.parsePreserveAspectRatioAttribute(el); + } _this.reviver && _this.reviver(el, obj); _this.instances[index] = obj; _this.checkIfDone(); @@ -4167,7 +4210,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { // eslint-disable-next-line no-eq-null, eqeqeq return el != null; }); - this.callback(this.instances); + this.callback(this.instances, this.elements); } }; @@ -4967,7 +5010,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { * @memberOf fabric.Color */ // eslint-disable-next-line max-len - fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; + fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/; /** * Regex matching color in HSL or HSLA formats (ex: hsl(200, 80%, 10%), hsla(300, 50%, 80%, 0.5), hsla( 300 , 50% , 80% , 0.5 )) @@ -6046,7 +6089,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { */ initialize: function(el, options) { options || (options = { }); - + this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); }, @@ -6672,14 +6715,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() { * @chainable true */ setViewportTransform: function (vpt) { - var activeGroup = this._activeGroup, object, ingoreVpt = false, skipAbsolute = true; + var activeGroup = this._activeGroup, object, ignoreVpt = false, skipAbsolute = true; this.viewportTransform = vpt; for (var i = 0, len = this._objects.length; i < len; i++) { object = this._objects[i]; - object.group || object.setCoords(ingoreVpt, skipAbsolute); + object.group || object.setCoords(ignoreVpt, skipAbsolute); } if (activeGroup) { - activeGroup.setCoords(ingoreVpt, skipAbsolute); + activeGroup.setCoords(ignoreVpt, skipAbsolute); } this.calcViewportBoundaries(); this.renderAll(); @@ -6824,6 +6867,31 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this; }, + /** + * Function created to be instance bound at initialization + * used in requestAnimationFrame rendering + * @return {fabric.Canvas} instance + * @chainable + */ + renderAndReset: function() { + this.renderAll(); + this.isRendering = false; + }, + + /** + * Append a renderAll request to next animation frame. + * a boolean flag will avoid appending more. + * @return {fabric.Canvas} instance + * @chainable + */ + requestRenderAll: function () { + if (!this.isRendering) { + this.isRendering = true; + fabric.util.requestAnimFrame(this.renderAndResetBound); + } + return this; + }, + /** * Calculate the position of the 4 corner of canvas with current viewportTransform. * helps to determinate when an object is in the current rendering viewport using @@ -7430,7 +7498,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.unshift(object); } - return this.renderAll && this.renderAll(); + this.renderAll && this.renderAll(); + return this; }, /** @@ -7458,7 +7527,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.push(object); } - return this.renderAll && this.renderAll(); + this.renderAll && this.renderAll(); + return this; }, /** @@ -8017,7 +8087,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype // rendered inconsistently across browsers // Firefox 4, for example, renders a dot, // whereas Chrome 10 renders nothing - this.canvas.renderAll(); + this.canvas.requestRenderAll(); return; } @@ -8028,7 +8098,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); // fire event 'path' created this.canvas.fire('path:created', { path: path }); @@ -8131,7 +8201,7 @@ fabric.CircleBrush = fabric.util.createClass(fabric.BaseBrush, /** @lends fabric this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.renderAll(); + this.canvas.requestRenderAll(); }, /** @@ -8280,7 +8350,7 @@ fabric.SprayBrush = fabric.util.createClass( fabric.BaseBrush, /** @lends fabric this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.renderAll(); + this.canvas.requestRenderAll(); }, /** @@ -8461,6 +8531,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @fires mouse:up * @fires mouse:over * @fires mouse:out + * @fires mouse:doubleclick * */ fabric.Canvas = fabric.util.createClass(fabric.StaticCanvas, /** @lends fabric.Canvas.prototype */ { @@ -8473,7 +8544,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab */ initialize: function(el, options) { options || (options = { }); - + this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); this._initInteractive(); this._createCacheCanvas(); @@ -9705,7 +9776,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab _createUpperCanvas: function () { var lowerCanvasClass = this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/, ''); - this.upperCanvasEl = this._createCanvasElement(); + // there is no need to create a new upperCanvas element if we have already one. + if (this.upperCanvasEl) { + this.upperCanvasEl.className = ''; + } + else { + this.upperCanvasEl = this._createCanvasElement(); + } fabric.util.addClass(this.upperCanvasEl, 'upper-canvas ' + lowerCanvasClass); this.wrapperEl.appendChild(this.upperCanvasEl); @@ -9818,7 +9895,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._setActiveObject(object); this.fire('object:selected', { target: object, e: e }); object.fire('selected', { e: e }); - this.renderAll(); + this.requestRenderAll(); return this; }, @@ -10178,13 +10255,17 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @private */ _initEventListeners: function () { - + // in case we initialized the class twice. This should not happen normally + // but in some kind of applications where the canvas element may be changed + // this is a workaround to having double listeners. + this.removeListeners(); this._bindEvents(); addListener(fabric.window, 'resize', this._onResize); // mouse events addListener(this.upperCanvasEl, 'mousedown', this._onMouseDown); + addListener(this.upperCanvasEl, 'dblclick', this._onDoubleClick); addListener(this.upperCanvasEl, 'mousemove', this._onMouseMove); addListener(this.upperCanvasEl, 'mouseout', this._onMouseOut); addListener(this.upperCanvasEl, 'mouseenter', this._onMouseEnter); @@ -10208,6 +10289,10 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @private */ _bindEvents: function() { + if (this.eventsBinded) { + // for any reason we pass here twice we do not want to bind events twice. + return; + } this._onMouseDown = this._onMouseDown.bind(this); this._onMouseMove = this._onMouseMove.bind(this); this._onMouseUp = this._onMouseUp.bind(this); @@ -10221,6 +10306,8 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._onMouseOut = this._onMouseOut.bind(this); this._onMouseEnter = this._onMouseEnter.bind(this); this._onContextMenu = this._onContextMenu.bind(this); + this._onDoubleClick = this._onDoubleClick.bind(this); + this.eventsBinded = true; }, /** @@ -10235,7 +10322,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab removeListener(this.upperCanvasEl, 'mouseenter', this._onMouseEnter); removeListener(this.upperCanvasEl, 'wheel', this._onMouseWheel); removeListener(this.upperCanvasEl, 'contextmenu', this._onContextMenu); - + removeListener(this.upperCanvasEl, 'doubleclick', this._onDoubleClick); removeListener(this.upperCanvasEl, 'touchstart', this._onMouseDown); removeListener(this.upperCanvasEl, 'touchmove', this._onMouseMove); @@ -10342,13 +10429,21 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab return false; }, + /** + * @private + * @param {Event} e Event object fired on mousedown + */ + _onDoubleClick: function (e) { + var target; + this._handleEvent(e, 'dblclick', target); + }, + /** * @private * @param {Event} e Event object fired on mousedown */ _onMouseDown: function (e) { this.__onMouseDown(e); - addListener(fabric.document, 'touchend', this._onMouseUp, { passive: false }); addListener(fabric.document, 'touchmove', this._onMouseMove, { passive: false }); @@ -10498,7 +10593,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._setCursorFromEvent(e, target); this._handleEvent(e, 'up', target ? target : null, LEFT_CLICK, isClick); target && (target.__corner = 0); - shouldRender && this.renderAll(); + shouldRender && this.requestRenderAll(); }, /** @@ -10577,7 +10672,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab */ _onMouseDownInDrawingMode: function(e) { this._isCurrentlyDrawing = true; - this.discardActiveObject(e).renderAll(); + this.discardActiveObject(e).requestRenderAll(); if (this.clipTo) { fabric.util.clipContext(this, this.contextTop); } @@ -10689,7 +10784,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab } this._handleEvent(e, 'down', target ? target : null); // we must renderAll so that we update the visuals - shouldRender && this.renderAll(); + shouldRender && this.requestRenderAll(); }, /** @@ -10811,7 +10906,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._beforeScaleTransform(e, transform); this._performTransformAction(e, transform, pointer); - transform.actionPerformed && this.renderAll(); + transform.actionPerformed && this.requestRenderAll(); }, /** @@ -10909,7 +11004,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @param {Object} target Object that the mouse is hovering, if so. */ _setCursorFromEvent: function (e, target) { - if (!target || !target.selectable) { + if (!target) { this.setCursor(this.defaultCursor); return false; } @@ -11096,7 +11191,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab group.addWithUpdate(); this.setActiveGroup(group, e); this.fire('selection:created', { target: group, e: e }); - this.renderAll(); + this.requestRenderAll(); } }, @@ -11339,11 +11434,19 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati ? JSON.parse(json) : fabric.util.object.clone(json); - this.clear(); + var _this = this, + renderOnAddRemove = this.renderOnAddRemove; + this.renderOnAddRemove = false; - var _this = this; - this._enlivenObjects(serialized.objects, function () { + this._enlivenObjects(serialized.objects, function (enlivenedObjects) { + _this.clear(); _this._setBgOverlay(serialized, function () { + enlivenedObjects.forEach(function(obj, index) { + // we splice the array just in case some custom classes restored from JSON + // will add more object to canvas at canvas init. + _this.insertAt(obj, index); + }); + _this.renderOnAddRemove = renderOnAddRemove; // remove parts i cannot set as options delete serialized.objects; delete serialized.backgroundImage; @@ -11355,6 +11458,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati // create the Object instance. Here the Canvas is // already an instance and we are just loading things over it _this._setOptions(serialized); + _this.renderAll(); callback && callback(); }); }, reviver); @@ -11367,13 +11471,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @param {Function} callback Invoked after all background and overlay images/patterns loaded */ _setBgOverlay: function(serialized, callback) { - var _this = this, - loaded = { - backgroundColor: false, - overlayColor: false, - backgroundImage: false, - overlayImage: false - }; + var loaded = { + backgroundColor: false, + overlayColor: false, + backgroundImage: false, + overlayImage: false + }; if (!serialized.backgroundImage && !serialized.overlayImage && !serialized.background && !serialized.overlay) { callback && callback(); @@ -11382,7 +11485,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati var cbIfLoaded = function () { if (loaded.backgroundImage && loaded.overlayImage && loaded.backgroundColor && loaded.overlayColor) { - _this.renderAll(); callback && callback(); } }; @@ -11431,25 +11533,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @param {Function} [reviver] */ _enlivenObjects: function (objects, callback, reviver) { - var _this = this; - if (!objects || objects.length === 0) { - callback && callback(); + callback && callback([]); return; } - var renderOnAddRemove = this.renderOnAddRemove; - this.renderOnAddRemove = false; - fabric.util.enlivenObjects(objects, function(enlivenedObjects) { - enlivenedObjects.forEach(function(obj, index) { - // we splice the array just in case some custom classes restored from JSON - // will add more object to canvas at canvas init. - _this.insertAt(obj, index); - }); - - _this.renderOnAddRemove = renderOnAddRemove; - callback && callback(); + callback && callback(enlivenedObjects); }, null, reviver); }, @@ -11530,7 +11620,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports('setLineDash'), - objectCaching = !fabric.isLikelyNode; + objectCaching = !fabric.isLikelyNode, + ALIASING_LIMIT = 2; if (fabric.Object) { return; @@ -11558,6 +11649,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @fires mouseover * @fires mouseout * @fires mousewheel + * @fires mousedblclick */ fabric.Object = fabric.util.createClass(fabric.CommonMethods, /** @lends fabric.Object.prototype */ { @@ -12317,16 +12409,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ dirty: true, - /** - * When set to `true`, force the object to have its own cache, even if it is inside a group - * it may be needed when your object behave in a particular way on the cache and always needs - * its own isolated canvas to render correctly. - * since 1.7.5 - * @type Boolean - * @default false - */ - needsItsOwnCache: false, - /** * List of properties to consider when checking if state * of an object is changed (fabric.Object#hasStateChanged) @@ -12336,8 +12418,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati stateProperties: ( 'top left width height scaleX scaleY flipX flipY originX originY transformMatrix ' + 'stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit ' + - 'angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor ' + - 'skewX skewY' + 'angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor ' + + 'skewX skewY fillRule' ).split(' '), /** @@ -12345,8 +12427,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @type Array */ cacheProperties: ( - 'fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray' + - ' strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor' + 'fill stroke strokeWidth strokeDashArray width height' + + ' strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor' ).split(' '), /** @@ -12358,9 +12440,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati if (options) { this.setOptions(options); } - if (this.objectCaching) { - this._createCacheCanvas(); - } }, /** @@ -12374,6 +12453,46 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this._updateCacheCanvas(); }, + /** + * Limit the cache dimensions so that X * Y do not cross fabric.perfLimitSizeTotal + * and each side do not cross fabric.cacheSideLimit + * those numbers are configurable so that you can get as much detail as you want + * making bargain with performances. + * @param {Object} dims + * @param {Object} dims.width width of canvas + * @param {Object} dims.height height of canvas + * @param {Object} dims.zoomX zoomX zoom value to unscale the canvas before drawing cache + * @param {Object} dims.zoomY zoomY zoom value to unscale the canvas before drawing cache + * @return {Object}.width width of canvas + * @return {Object}.height height of canvas + * @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache + * @return {Object}.zoomY zoomY zoom value to unscale the canvas before drawing cache + */ + _limitCacheSize: function(dims) { + var perfLimitSizeTotal = fabric.perfLimitSizeTotal, + maximumSide = fabric.cacheSideLimit, + width = dims.width, height = dims.height, + ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal, maximumSide), + capValue = fabric.util.capValue, max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit, + x = capValue(min, limitedDims.x, max), + y = capValue(min, limitedDims.y, max); + if (width > x) { + dims.zoomX /= width / x; + dims.width = x; + } + else if (width < min) { + dims.width = min; + } + if (height > y) { + dims.zoomY /= height / y; + dims.height = y; + } + else if (height < min) { + dims.height = min; + } + return dims; + }, + /** * Return the dimension and the zoom level needed to create a cache canvas * big enough to host the object to be cached. @@ -12393,8 +12512,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati width = dim.x * zoomX, height = dim.y * zoomY; return { - width: width + 2, - height: height + 2, + width: width + ALIASING_LIMIT, + height: height + ALIASING_LIMIT, zoomX: zoomX, zoomY: zoomY }; @@ -12409,21 +12528,45 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati _updateCacheCanvas: function() { if (this.noScaleCache && this.canvas && this.canvas._currentTransform) { var action = this.canvas._currentTransform.action; - if (action.slice(0, 5) === 'scale') { + if (action.slice && action.slice(0, 5) === 'scale') { return false; } } - var dims = this._getCacheCanvasDimensions(), + var dims = this._limitCacheSize(this._getCacheCanvasDimensions()), + minCacheSize = fabric.minCacheSideLimit, width = dims.width, height = dims.height, - zoomX = dims.zoomX, zoomY = dims.zoomY; - - if (width !== this.cacheWidth || height !== this.cacheHeight) { - this._cacheCanvas.width = Math.ceil(width); - this._cacheCanvas.height = Math.ceil(height); - this._cacheContext.translate(width / 2, height / 2); - this._cacheContext.scale(zoomX, zoomY); + zoomX = dims.zoomX, zoomY = dims.zoomY, + dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight, + zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY, + shouldRedraw = dimensionsChanged || zoomChanged, + additionalWidth = 0, additionalHeight = 0, shouldResizeCanvas = false; + if (dimensionsChanged) { + var canvasWidth = this._cacheCanvas.width, + canvasHeight = this._cacheCanvas.height, + sizeGrowing = width > canvasWidth || height > canvasHeight, + sizeShrinking = (width < canvasWidth * 0.9 || height < canvasHeight * 0.9) && + canvasWidth > minCacheSize && canvasHeight > minCacheSize; + shouldResizeCanvas = sizeGrowing || sizeShrinking; + if (sizeGrowing) { + additionalWidth = (width * 0.1) & ~1; + additionalHeight = (height * 0.1) & ~1; + } + } + if (shouldRedraw) { + if (shouldResizeCanvas) { + this._cacheCanvas.width = Math.max(Math.ceil(width) + additionalWidth, minCacheSize); + this._cacheCanvas.height = Math.max(Math.ceil(height) + additionalHeight, minCacheSize); + this.cacheTranslationX = (width + additionalWidth) / 2; + this.cacheTranslationY = (height + additionalHeight) / 2; + } + else { + this._cacheContext.setTransform(1, 0, 0, 1, 0, 0); + this._cacheContext.clearRect(0, 0, this._cacheCanvas.width, this._cacheCanvas.height); + } this.cacheWidth = width; this.cacheHeight = height; + this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY); + this._cacheContext.scale(zoomX, zoomY); this.zoomX = zoomX; this.zoomY = zoomY; return true; @@ -12616,7 +12759,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this.dirty = true; } - if (this.group && this.stateProperties.indexOf(key) > -1) { + if (this.group && this.stateProperties.indexOf(key) > -1 && this.group.isOnACache()) { this.group.set('dirty', true); } @@ -12641,7 +12784,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * Retrieves viewportTransform from Object's canvas if possible * @method getViewportTransform * @memberOf fabric.Object.prototype - * @return {Boolean} flipY value // TODO + * @return {Boolean} */ getViewportTransform: function() { if (this.canvas && this.canvas.viewportTransform) { @@ -12650,20 +12793,29 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati return fabric.iMatrix.concat(); }, + /* + * @private + * return if the object would be visible in rendering + * @memberOf fabric.Object.prototype + * @return {Boolean} + */ + isNotVisible: function() { + return this.opacity === 0 || (this.width === 0 && this.height === 0) || !this.visible; + }, + /** * Renders an object on a specified context * @param {CanvasRenderingContext2D} ctx Context to render on */ render: function(ctx) { // do not render if width/height are zeros or object is not visible - if ((this.width === 0 && this.height === 0) || !this.visible) { + if (this.isNotVisible()) { return; } if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) { return; } ctx.save(); - //setup fill rule for current object this._setupCompositeOperation(ctx); this.drawSelectionBackground(ctx); this.transform(ctx); @@ -12685,6 +12837,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this.drawCacheOnCanvas(ctx); } else { + this.dirty = false; this.drawObject(ctx); if (this.objectCaching && this.statefullCache) { this.saveState({ propertySet: 'cacheProperties' }); @@ -12695,7 +12848,19 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, /** - * Decide if the object should cache or not. + * When set to `true`, force the object to have its own cache, even if it is inside a group + * it may be needed when your object behave in a particular way on the cache and always needs + * its own isolated canvas to render correctly. + * Created to be overridden + * since 1.7.12 + * @returns false + */ + needsItsOwnCache: function() { + return false; + }, + + /** + * Decide if the object should cache or not. Create its own cache level * objectCaching is a global flag, wins over everything * needsItsOwnCache should be used when the object drawing method requires * a cache step. None of the fabric classes requires it. @@ -12703,8 +12868,9 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @return {Boolean} */ shouldCache: function() { - return this.objectCaching && - (!this.group || this.needsItsOwnCache || !this.group.isCaching()); + this.ownCaching = this.objectCaching && + (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); + return this.ownCaching; }, /** @@ -12713,7 +12879,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @return {Boolean} */ willDrawShadow: function() { - return !!this.shadow; + return !!this.shadow && (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0); }, /** @@ -12733,7 +12899,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ drawCacheOnCanvas: function(ctx) { ctx.scale(1 / this.zoomX, 1 / this.zoomY); - ctx.drawImage(this._cacheCanvas, -this.cacheWidth / 2, -this.cacheHeight / 2); + ctx.drawImage(this._cacheCanvas, -this.cacheTranslationX, -this.cacheTranslationY); }, /** @@ -12742,13 +12908,16 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * on parent canvas. */ isCacheDirty: function(skipCanvas) { - if (!skipCanvas && this._updateCacheCanvas()) { + if (this.isNotVisible()) { + return false; + } + if (this._cacheCanvas && !skipCanvas && this._updateCacheCanvas()) { // in this case the context is already cleared. return true; } else { if (this.dirty || (this.statefullCache && this.hasStateChanged('cacheProperties'))) { - if (!skipCanvas) { + if (this._cacheCanvas && !skipCanvas) { var width = this.cacheWidth / this.zoomX; var height = this.cacheHeight / this.zoomY; this._cacheContext.clearRect(-width / 2, -height / 2, width, height); @@ -12846,8 +13015,10 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati _renderControls: function(ctx, styleOverride) { var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), - options; + options, drawBorders, drawControls; styleOverride = styleOverride || { }; + drawBorders = typeof styleOverride.hasBorders !== 'undefined' ? styleOverride.hasBorders : this.hasBorders; + drawControls = typeof styleOverride.hasControls !== 'undefined' ? styleOverride.hasControls : this.hasControls; matrix = fabric.util.multiplyTransformMatrices(vpt, matrix); options = fabric.util.qrDecompose(matrix); ctx.save(); @@ -12858,13 +13029,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati } if (this.group && this.group === this.canvas.getActiveGroup()) { ctx.rotate(degreesToRadians(options.angle)); - (this.hasBorders || styleOverride.hasBorders) && this.drawBordersInGroup(ctx, options, styleOverride); + drawBorders && this.drawBordersInGroup(ctx, options, styleOverride); } else { ctx.rotate(degreesToRadians(this.angle)); - (this.hasBorders || styleOverride.hasBorders) && this.drawBorders(ctx, styleOverride); + drawBorders && this.drawBorders(ctx, styleOverride); } - (this.hasControls || styleOverride.hasControls) && this.drawControls(ctx, styleOverride); + drawControls && this.drawControls(ctx, styleOverride); ctx.restore(); }, @@ -12993,17 +13164,18 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, /** - * Clones an instance, some objects are async, so using callback method will work for every object. - * Using the direct return does not work for images and groups. + * Clones an instance, using a callback method will work for every object. * @param {Function} callback Callback is invoked with a clone as a first argument * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output - * @return {fabric.Object} clone of an instance */ clone: function(callback, propertiesToInclude) { + var objectForm = this.toObject(propertiesToInclude); if (this.constructor.fromObject) { - return this.constructor.fromObject(this.toObject(propertiesToInclude), callback); + this.constructor.fromObject(objectForm, callback); + } + else { + fabric.Object._fromObject('Object', objectForm, callback); } - return new fabric.Object(this.toObject(propertiesToInclude)); }, /** @@ -13387,26 +13559,19 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ fabric.Object.NUM_FRACTION_DIGITS = 2; - fabric.Object._fromObject = function(className, object, callback, forceAsync, extraParam) { + fabric.Object._fromObject = function(className, object, callback, extraParam) { var klass = fabric[className]; object = clone(object, true); - if (forceAsync) { - fabric.util.enlivenPatterns([object.fill, object.stroke], function(patterns) { - if (typeof patterns[0] !== 'undefined') { - object.fill = patterns[0]; - } - if (typeof patterns[1] !== 'undefined') { - object.stroke = patterns[1]; - } - var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); - callback && callback(instance); - }); - } - else { + fabric.util.enlivenPatterns([object.fill, object.stroke], function(patterns) { + if (typeof patterns[0] !== 'undefined') { + object.fill = patterns[0]; + } + if (typeof patterns[1] !== 'undefined') { + object.stroke = patterns[1]; + } var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); callback && callback(instance); - return instance; - } + }); }; /** @@ -14542,35 +14707,34 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } function _isEqual(origValue, currentValue, firstPass) { - if (!fabric.isLikelyNode && origValue instanceof Element) { - // avoid checking deep html elements - return origValue === currentValue; + if (origValue === currentValue) { + // if the objects are identical, return + return true; } - else if (origValue instanceof Array) { + else if (Array.isArray(origValue)) { if (origValue.length !== currentValue.length) { return false; } for (var i = 0, len = origValue.length; i < len; i++) { - if (origValue[i] !== currentValue[i]) { + if (!_isEqual(origValue[i], currentValue[i])) { return false; } } return true; } else if (origValue && typeof origValue === 'object') { - if (!firstPass && Object.keys(origValue).length !== Object.keys(currentValue).length) { + var keys = Object.keys(origValue), key; + if (!firstPass && keys.length !== Object.keys(currentValue).length) { return false; } - for (var key in origValue) { + for (var i = 0, len = keys.length; i < len; i++) { + key = keys[i]; if (!_isEqual(origValue[key], currentValue[key])) { return false; } } return true; } - else { - return origValue === currentValue; - } } @@ -14583,11 +14747,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ hasStateChanged: function(propertySet) { propertySet = propertySet || originalSet; - propertySet = '_' + propertySet; - if (!Object.keys(this[propertySet]).length) { + var dashedPropertySet = '_' + propertySet; + if (Object.keys(this[dashedPropertySet]).length < this[propertySet].length) { return true; } - return !_isEqual(this[propertySet], this, true); + return !_isEqual(this[dashedPropertySet], this, true); }, /** @@ -14763,20 +14927,26 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public properties: width, height * Requires public options: padding, borderColor * @param {CanvasRenderingContext2D} ctx Context to draw on - * @param {Object} bordersStyle object to override the object style + * @param {Object} styleOverride object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawBorders: function(ctx, bordersStyle) { - bordersStyle = bordersStyle || {}; + drawBorders: function(ctx, styleOverride) { + styleOverride = styleOverride || {}; var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, - height = wh.y + strokeWidth; + height = wh.y + strokeWidth, + drawRotatingPoint = typeof styleOverride.hasRotatingPoint !== 'undefined' ? + styleOverride.hasRotatingPoint : this.hasRotatingPoint, + hasControls = typeof styleOverride.hasControls !== 'undefined' ? + styleOverride.hasControls : this.hasControls, + rotatingPointOffset = typeof styleOverride.rotatingPointOffset !== 'undefined' ? + styleOverride.rotatingPointOffset : this.rotatingPointOffset; ctx.save(); - ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; - this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = styleOverride.borderColor || this.borderColor; + this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); ctx.strokeRect( -width / 2, @@ -14785,14 +14955,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot height ); - if (bordersStyle.hasRotatingPoint || - this.hasRotatingPoint && this.isControlVisible('mtr') && !this.get('lockRotation') && this.hasControls) { + if (drawRotatingPoint && this.isControlVisible('mtr') && !this.get('lockRotation') && hasControls) { var rotateHeight = -height / 2; ctx.beginPath(); ctx.moveTo(0, rotateHeight); - ctx.lineTo(0, rotateHeight - this.rotatingPointOffset); + ctx.lineTo(0, rotateHeight - rotatingPointOffset); ctx.closePath(); ctx.stroke(); } @@ -14807,12 +14976,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public options: padding, borderColor * @param {CanvasRenderingContext2D} ctx Context to draw on * @param {object} options object representing current object parameters - * @param {Object} bordersStyle object to override the object style + * @param {Object} styleOverride object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawBordersInGroup: function(ctx, options, bordersStyle) { - bordersStyle = bordersStyle || {}; + drawBordersInGroup: function(ctx, options, styleOverride) { + styleOverride = styleOverride || {}; var p = this._getNonTransformedDimensions(), matrix = fabric.util.customTransformMatrix(options.scaleX, options.scaleY, options.skewX), wh = fabric.util.transformPoint(p, matrix), @@ -14821,8 +14990,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot height = wh.y + strokeWidth; ctx.save(); - this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); - ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; + this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = styleOverride.borderColor || this.borderColor; ctx.strokeRect( -width / 2, @@ -14840,75 +15009,79 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public properties: width, height * Requires public options: cornerSize, padding * @param {CanvasRenderingContext2D} ctx Context to draw on - * @param {Object} controlsStyle object to override the object style + * @param {Object} styleOverride object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawControls: function(ctx, controlsStyle) { - controlsStyle = controlsStyle || {}; + drawControls: function(ctx, styleOverride) { + styleOverride = styleOverride || {}; var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, - scaleOffset = controlsStyle.cornerSize || this.cornerSize, + scaleOffset = styleOverride.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, - methodName = controlsStyle.transparentCorners || this.transparentCorners ? 'stroke' : 'fill'; + transparentCorners = typeof styleOverride.transparentCorners !== 'undefined' ? + styleOverride.transparentCorners : this.transparentCorners, + hasRotatingPoint = typeof styleOverride.hasRotatingPoint !== 'undefined' ? + styleOverride.hasRotatingPoint : this.hasRotatingPoint, + methodName = transparentCorners ? 'stroke' : 'fill'; ctx.save(); - ctx.strokeStyle = ctx.fillStyle = controlsStyle.cornerColor || this.cornerColor; + ctx.strokeStyle = ctx.fillStyle = styleOverride.cornerColor || this.cornerColor; if (!this.transparentCorners) { - ctx.strokeStyle = controlsStyle.cornerStrokeColor || this.cornerStrokeColor; + ctx.strokeStyle = styleOverride.cornerStrokeColor || this.cornerStrokeColor; } - this._setLineDash(ctx, controlsStyle.cornerDashArray || this.cornerDashArray, null); + this._setLineDash(ctx, styleOverride.cornerDashArray || this.cornerDashArray, null); // top-left this._drawControl('tl', ctx, methodName, left, - top, controlsStyle); + top, styleOverride); // top-right this._drawControl('tr', ctx, methodName, left + width, - top, controlsStyle); + top, styleOverride); // bottom-left this._drawControl('bl', ctx, methodName, left, - top + height, controlsStyle); + top + height, styleOverride); // bottom-right this._drawControl('br', ctx, methodName, left + width, - top + height, controlsStyle); + top + height, styleOverride); if (!this.get('lockUniScaling')) { // middle-top this._drawControl('mt', ctx, methodName, left + width / 2, - top, controlsStyle); + top, styleOverride); // middle-bottom this._drawControl('mb', ctx, methodName, left + width / 2, - top + height, controlsStyle); + top + height, styleOverride); // middle-right this._drawControl('mr', ctx, methodName, left + width, - top + height / 2, controlsStyle); + top + height / 2, styleOverride); // middle-left this._drawControl('ml', ctx, methodName, left, - top + height / 2, controlsStyle); + top + height / 2, styleOverride); } // middle-top-rotate - if (controlsStyle.hasRotatingPoint || this.hasRotatingPoint) { + if (hasRotatingPoint) { this._drawControl('mtr', ctx, methodName, left + width / 2, - top - this.rotatingPointOffset, controlsStyle); + top - this.rotatingPointOffset, styleOverride); } ctx.restore(); @@ -14919,13 +15092,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot /** * @private */ - _drawControl: function(control, ctx, methodName, left, top, controlStyle) { - controlStyle = controlStyle || {}; + _drawControl: function(control, ctx, methodName, left, top, styleOverride) { + styleOverride = styleOverride || {}; if (!this.isControlVisible(control)) { return; } var size = this.cornerSize, stroke = !this.transparentCorners && this.cornerStrokeColor; - switch (controlStyle.cornerStyle || this.cornerStyle) { + switch (styleOverride.cornerStyle || this.cornerStyle) { case 'circle': ctx.beginPath(); ctx.arc(left + size / 2, top + size / 2, size / 2, 0, 2 * Math.PI, false); @@ -15045,7 +15218,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati duration: this.FX_DURATION, onChange: function(value) { object.set('left', value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function() { @@ -15080,7 +15253,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati duration: this.FX_DURATION, onChange: function(value) { object.set('top', value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function() { @@ -15118,7 +15291,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, onChange: function(value) { object.set('opacity', value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function () { @@ -15537,9 +15710,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Line * @param {SVGElement} element Element to parse * @param {Object} [options] Options object - * @return {fabric.Line} instance of fabric.Line + * @param {Function} [callback] callback function invoked after parsing */ - fabric.Line.fromElement = function(element, options) { + fabric.Line.fromElement = function(element, callback, options) { options = options || { }; var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES), points = [ @@ -15550,7 +15723,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot ]; options.originX = 'left'; options.originY = 'top'; - return new fabric.Line(points, extend(parsedAttributes, options)); + callback(new fabric.Line(points, extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ @@ -15560,21 +15733,15 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Line * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Line} instance of fabric.Line */ - fabric.Line.fromObject = function(object, callback, forceAsync) { + fabric.Line.fromObject = function(object, callback) { function _callback(instance) { delete instance.points; callback && callback(instance); }; var options = clone(object, true); options.points = [object.x1, object.y1, object.x2, object.y2]; - var line = fabric.Object._fromObject('Line', options, _callback, forceAsync, 'points'); - if (line) { - delete line.points; - } - return line; + fabric.Object._fromObject('Line', options, _callback, 'points'); }; /** @@ -15795,10 +15962,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Circle * @param {SVGElement} element Element to parse * @param {Object} [options] Options object + * @param {Function} [callback] Options callback invoked after parsing is finished * @throws {Error} If value of `r` attribute is missing or invalid - * @return {fabric.Circle} Instance of fabric.Circle */ - fabric.Circle.fromElement = function(element, options) { + fabric.Circle.fromElement = function(element, callback, options) { options || (options = { }); var parsedAttributes = fabric.parseAttributes(element, fabric.Circle.ATTRIBUTE_NAMES); @@ -15811,7 +15978,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius; parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - return new fabric.Circle(extend(parsedAttributes, options)); + callback(new fabric.Circle(extend(parsedAttributes, options))); }; /** @@ -15828,11 +15995,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Circle * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first * @return {Object} Instance of fabric.Circle */ - fabric.Circle.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Circle', object, callback, forceAsync); + fabric.Circle.fromObject = function(object, callback) { + return fabric.Object._fromObject('Circle', object, callback); }; })(typeof exports !== 'undefined' ? exports : this); @@ -15945,11 +16111,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Triangle * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Triangle} */ - fabric.Triangle.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Triangle', object, callback, forceAsync); + fabric.Triangle.fromObject = function(object, callback) { + return fabric.Object._fromObject('Triangle', object, callback); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16125,9 +16289,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Ellipse * @param {SVGElement} element Element to parse * @param {Object} [options] Options object + * @param {Function} [callback] Options callback invoked after parsing is finished * @return {fabric.Ellipse} */ - fabric.Ellipse.fromElement = function(element, options) { + fabric.Ellipse.fromElement = function(element, callback, options) { options || (options = { }); var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES); @@ -16136,7 +16301,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry; parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - return new fabric.Ellipse(extend(parsedAttributes, options)); + callback(new fabric.Ellipse(extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ @@ -16146,11 +16311,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Ellipse * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first * @return {fabric.Ellipse} */ - fabric.Ellipse.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Ellipse', object, callback, forceAsync); + fabric.Ellipse.fromObject = function(object, callback) { + return fabric.Object._fromObject('Ellipse', object, callback); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16343,12 +16507,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @static * @memberOf fabric.Rect * @param {SVGElement} element Element to parse + * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object - * @return {fabric.Rect} Instance of fabric.Rect */ - fabric.Rect.fromElement = function(element, options) { + fabric.Rect.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options = options || { }; @@ -16360,7 +16524,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.originY = 'top'; var rect = new fabric.Rect(extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes)); rect.visible = rect.visible && rect.width > 0 && rect.height > 0; - return rect; + callback(rect); }; /* _FROM_SVG_END_ */ @@ -16370,11 +16534,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Rect * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Rect instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {Object} instance of fabric.Rect */ - fabric.Rect.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Rect', object, callback, forceAsync); + fabric.Rect.fromObject = function(object, callback) { + return fabric.Object._fromObject('Rect', object, callback); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16603,20 +16765,20 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Returns fabric.Polyline instance from an SVG element * @static * @memberOf fabric.Polyline - * @param {SVGElement} element Element to parse + * @param {SVGElement} element Element to parser + * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object - * @return {fabric.Polyline} Instance of fabric.Polyline */ - fabric.Polyline.fromElement = function(element, options) { + fabric.Polyline.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options || (options = { }); var points = fabric.parsePointsAttribute(element.getAttribute('points')), parsedAttributes = fabric.parseAttributes(element, fabric.Polyline.ATTRIBUTE_NAMES); - return new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options)); + callback(new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ @@ -16626,11 +16788,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Polyline * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Polyline} Instance of fabric.Polyline */ - fabric.Polyline.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Polyline', object, callback, forceAsync, 'points'); + fabric.Polyline.fromObject = function(object, callback) { + return fabric.Object._fromObject('Polyline', object, callback, 'points'); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16700,12 +16860,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @static * @memberOf fabric.Polygon * @param {SVGElement} element Element to parse + * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object - * @return {fabric.Polygon} Instance of fabric.Polygon */ - fabric.Polygon.fromElement = function(element, options) { + fabric.Polygon.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options || (options = { }); @@ -16713,7 +16873,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var points = fabric.parsePointsAttribute(element.getAttribute('points')), parsedAttributes = fabric.parseAttributes(element, fabric.Polygon.ATTRIBUTE_NAMES); - return new fabric.Polygon(points, extend(parsedAttributes, options)); + callback(new fabric.Polygon(points, extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ @@ -16723,11 +16883,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Polygon * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Polygon} Instance of fabric.Polygon */ - fabric.Polygon.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Polygon', object, callback, forceAsync, 'points'); + fabric.Polygon.fromObject = function(object, callback) { + return fabric.Object._fromObject('Polygon', object, callback, 'points'); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16764,8 +16922,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot return; } + var stateProperties = fabric.Object.prototype.stateProperties.concat(); + stateProperties.push('path'); + var cacheProperties = fabric.Object.prototype.cacheProperties.concat(); - cacheProperties.push('path'); + cacheProperties.push('path', 'fillRule'); /** * Path class @@ -16806,6 +16967,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot cacheProperties: cacheProperties, + stateProperties: stateProperties, + /** * Constructor * @param {Array|String} path Path data (sequence of coordinates and corresponding "command" tokens) @@ -16814,10 +16977,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ initialize: function(path, options) { options = options || { }; - - if (options) { - this.setOptions(options); - } + this.callSuper('initialize', options); if (!path) { path = []; @@ -16839,10 +16999,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } this._setPositionDimensions(options); - - if (this.objectCaching) { - this._createCacheCanvas(); - } }, /** @@ -17648,10 +17804,23 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Path * @param {Object} object * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first */ - fabric.Path.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Path', object, callback, forceAsync, 'path'); + fabric.Path.fromObject = function(object, callback) { + if (typeof object.path === 'string') { + var pathUrl = object.path; + fabric.loadSVGFromURL(pathUrl, function (elements) { + var path = elements[0]; + delete object.path; + + path.setOptions(object); + path.setSourcePath(pathUrl); + + callback && callback(path); + }); + } + else { + fabric.Object._fromObject('Path', object, callback, 'path'); + } }; /* _FROM_SVG_START_ */ @@ -17670,24 +17839,16 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @param {SVGElement} element to parse * @param {Function} callback Callback to invoke when an fabric.Path instance is created * @param {Object} [options] Options object + * @param {Function} [callback] Options callback invoked after parsing is finished */ fabric.Path.fromElement = function(element, callback, options) { var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES); parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - callback && callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); + callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ - /** - * Indicates that instances of this type are async - * @static - * @memberOf fabric.Path - * @type Boolean - * @default - */ - fabric.Path.async = true; - })(typeof exports !== 'undefined' ? exports : this); @@ -17747,6 +17908,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ subTargetCheck: false, + /** + * Groups are container, do not render anything on theyr own, ence no cache properties + * @type Boolean + * @default + */ + cacheProperties: [], + /** * Constructor * @param {Object} objects Group objects @@ -17999,7 +18167,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot }, /** - * Decide if the object should cache or not. + * Decide if the object should cache or not. Create its own cache level * objectCaching is a global flag, wins over everything * needsItsOwnCache should be used when the object drawing method requires * a cache step. None of the fabric classes requires it. @@ -18007,17 +18175,17 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @return {Boolean} */ shouldCache: function() { - var parentCache = this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); - this.caching = parentCache; - if (parentCache) { + var ownCache = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); + this.ownCaching = ownCache; + if (ownCache) { for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { - this.caching = false; + this.ownCaching = false; return false; } } } - return parentCache; + return ownCache; }, /** @@ -18026,7 +18194,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ willDrawShadow: function() { if (this.shadow) { - return true; + return this.callSuper('willDrawShadow'); } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { @@ -18040,8 +18208,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Check if this group or its parent group are caching, recursively up * @return {Boolean} */ - isCaching: function() { - return this.caching || this.group && this.group.isCaching(); + isOnACache: function() { + return this.ownCaching || (this.group && this.group.isOnACache()); }, /** @@ -18066,8 +18234,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].isCacheDirty(true)) { - var dim = this._getNonTransformedDimensions(); - this._cacheContext.clearRect(-dim.x / 2, -dim.y / 2, dim.x, dim.y); + if (this._cacheCanvas) { + // if this group has not a cache canvas there is nothing to clean + var x = this.cacheWidth / this.zoomX, y = this.cacheHeight / this.zoomY; + this._cacheContext.clearRect(-x / 2, -y / 2, x, y); + } return true; } } @@ -18096,11 +18267,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @private */ _renderObject: function(object, ctx) { - // do not render if object is not visible - if (!object.visible) { - return; - } - var originalHasRotatingPoint = object.hasRotatingPoint; object.hasRotatingPoint = false; object.render(ctx); @@ -18305,15 +18471,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot }); }; - /** - * Indicates that instances of this type are async - * @static - * @memberOf fabric.Group - * @type Boolean - * @default - */ - fabric.Group.async = true; - })(typeof exports !== 'undefined' ? exports : this); @@ -18334,9 +18491,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var stateProperties = fabric.Object.prototype.stateProperties.concat(); stateProperties.push( - 'alignX', - 'alignY', - 'meetOrSlice' + 'cropX', + 'cropY' ); /** @@ -18363,33 +18519,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ crossOrigin: '', - /** - * AlignX value, part of preserveAspectRatio (one of "none", "mid", "min", "max") - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * This parameter defines how the picture is aligned to its viewport when image element width differs from image width. - * @type String - * @default - */ - alignX: 'none', - - /** - * AlignY value, part of preserveAspectRatio (one of "none", "mid", "min", "max") - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * This parameter defines how the picture is aligned to its viewport when image element height differs from image height. - * @type String - * @default - */ - alignY: 'none', - - /** - * meetOrSlice value, part of preserveAspectRatio (one of "meet", "slice"). - * if meet the image is always fully visibile, if slice the viewport is always filled with image. - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * @type String - * @default - */ - meetOrSlice: 'meet', - /** * Width of a stroke. * For image quality a stroke multiple of 2 gives better results. @@ -18461,6 +18590,22 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ cacheKey: '', + /** + * Image crop in pixels from original image size. + * since 2.0.0 + * @type Number + * @default + */ + cropX: 0, + + /** + * Image crop in pixels from original image size. + * since 2.0.0 + * @type Number + * @default + */ + cropY: 0, + /** * Constructor * @param {HTMLImageElement | String} element Image element @@ -18586,7 +18731,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var object = extend( this.callSuper( 'toObject', - ['crossOrigin', 'alignX', 'alignY', 'meetOrSlice'].concat(propertiesToInclude) + ['crossOrigin', 'cropX', 'cropY'].concat(propertiesToInclude) ), { src: this.getSrc(), filters: filters, @@ -18608,10 +18753,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ toSVG: function(reviver) { var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, - preserveAspectRatio = 'none', filtered = true; - if (this.alignX !== 'none' && this.alignY !== 'none') { - preserveAspectRatio = 'x' + this.alignX + 'Y' + this.alignY + ' ' + this.meetOrSlice; - } + filtered = true; markup.push( '\n', '\n' ); @@ -18784,13 +18925,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @param {CanvasRenderingContext2D} ctx Context to render on */ _render: function(ctx) { - var x = -this.width / 2, y = -this.height / 2, imageMargins = this._findMargins(), elementToDraw; - - if (this.meetOrSlice === 'slice') { - ctx.beginPath(); - ctx.rect(x, y, this.width, this.height); - ctx.clip(); - } + var x = -this.width / 2, y = -this.height / 2, elementToDraw; if (this.isMoving === false && this.resizeFilter && this._needsResize()) { this._lastScaleX = this.scaleX; @@ -18799,12 +18934,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } elementToDraw = this._element; elementToDraw && ctx.drawImage(elementToDraw, - x + imageMargins.marginX, - y + imageMargins.marginY, - imageMargins.width, - imageMargins.height - ); - + this.cropX, this.cropY, this.width, this.height, + x, y, this.width, this.height); this._stroke(ctx); this._renderStroke(ctx); }, @@ -18816,40 +18947,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot return (this.scaleX !== this._lastScaleX || this.scaleY !== this._lastScaleY); }, - /** - * @private - */ - _findMargins: function() { - var width = this.width, height = this.height, scales, - scale, marginX = 0, marginY = 0; - - if (this.alignX !== 'none' || this.alignY !== 'none') { - scales = [this.width / this._element.width, this.height / this._element.height]; - scale = this.meetOrSlice === 'meet' - ? Math.min.apply(null, scales) : Math.max.apply(null, scales); - width = this._element.width * scale; - height = this._element.height * scale; - if (this.alignX === 'Mid') { - marginX = (this.width - width) / 2; - } - if (this.alignX === 'Max') { - marginX = this.width - width; - } - if (this.alignY === 'Mid') { - marginY = (this.height - height) / 2; - } - if (this.alignY === 'Max') { - marginY = this.height - height; - } - } - return { - width: width, - height: height, - marginX: marginX, - marginY: marginY - }; - }, - /** * @private */ @@ -18918,6 +19015,55 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot ? this.getElement().height || 0 : 0); }, + + parsePreserveAspectRatioAttribute: function() { + if (!this.preserveAspectRatio) { + return; + } + var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio), + width = this._element.width, height = this._element.height, scale, + pWidth = this.width, pHeight = this.height, parsedAttributes = { width: pWidth, height: pHeight }; + if (pAR && (pAR.alignX !== 'none' || pAR.alignY !== 'none')) { + if (pAR.meetOrSlice === 'meet') { + this.width = width; + this.height = height; + this.scaleX = this.scaleY = scale = fabric.util.findScaleToFit(this._element, parsedAttributes); + if (pAR.alignX === 'Mid') { + this.left += (pWidth - width * scale) / 2; + } + if (pAR.alignX === 'Max') { + this.left += pWidth - width * scale; + } + if (pAR.alignY === 'Mid') { + this.top += (pHeight - height * scale) / 2; + } + if (pAR.alignY === 'Max') { + this.top += pHeight - height * scale; + } + } + if (pAR.meetOrSlice === 'slice') { + this.scaleX = this.scaleY = scale = fabric.util.findScaleToCover(this._element, parsedAttributes); + this.width = pWidth / scale; + this.height = pHeight / scale; + if (pAR.alignX === 'Mid') { + this.cropX = (width - this.width) / 2; + } + if (pAR.alignX === 'Max') { + this.cropX = width - this.width; + } + if (pAR.alignY === 'Mid') { + this.cropY = (height - this.height) / 2; + } + if (pAR.alignY === 'Max') { + this.cropY = height - this.height; + } + } + } + else { + this.scaleX = pWidth / width; + this.scaleY = pHeight / height; + } + } }); /** @@ -18983,40 +19129,18 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Returns {@link fabric.Image} instance from an SVG element * @static * @param {SVGElement} element Element to parse - * @param {Function} callback Callback to execute when fabric.Image object is created * @param {Object} [options] Options object + * @param {Function} callback Callback to execute when fabric.Image object is created * @return {fabric.Image} Instance of fabric.Image */ fabric.Image.fromElement = function(element, callback, options) { - var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES), - preserveAR; - - if (parsedAttributes.preserveAspectRatio) { - preserveAR = fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio); - extend(parsedAttributes, preserveAR); - } + var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES); fabric.Image.fromURL(parsedAttributes['xlink:href'], callback, extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes)); }; /* _FROM_SVG_END_ */ - /** - * Indicates that instances of this type are async - * @static - * @type Boolean - * @default - */ - fabric.Image.async = true; - - /** - * Indicates compression level used when generating PNG under Node (in applyFilters). Any of 0-9 - * @static - * @type Number - * @default - */ - fabric.Image.pngCompression = 1; - })(typeof exports !== 'undefined' ? exports : this); @@ -19587,8 +19711,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag var attributeLocations = this.getAttributeLocations(gl, program); var uniformLocations = this.getUniformLocations(gl, program) || { }; - uniformLocations.uWidth = gl.getUniformLocation(program, 'uWidth'); - uniformLocations.uHeight = gl.getUniformLocation(program, 'uHeight'); + uniformLocations.uStepW = gl.getUniformLocation(program, 'uStepW'); + uniformLocations.uStepH = gl.getUniformLocation(program, 'uStepH'); return { program: program, attributeLocations: attributeLocations, @@ -20736,7 +20860,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { */ fragmentSource: 'precision highp float;\n' + 'uniform sampler2D uTexture;\n' + - 'uniform float uHeight;\n' + + 'uniform float uStepH;\n' + 'uniform float uNoise;\n' + 'uniform float uSeed;\n' + 'varying vec2 vTexCoord;\n' + @@ -20745,7 +20869,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { '}\n' + 'void main() {\n' + 'vec4 color = texture2D(uTexture, vTexCoord);\n' + - 'color.rgb += (0.5 - rand(vTexCoord, uSeed, uHeight / 10.0)) * uNoise;\n' + + 'color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\n' + 'gl_FragColor = color;\n' + '}', @@ -20941,8 +21065,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { getUniformLocations: function(gl, program) { return { uBlocksize: gl.getUniformLocation(program, 'uBlocksize'), - uWidth: gl.getUniformLocation(program, 'uWidth'), - uHeight: gl.getUniformLocation(program, 'uHeight'), + uStepW: gl.getUniformLocation(program, 'uStepW'), + uStepH: gl.getUniformLocation(program, 'uStepH'), }; }, @@ -21504,6 +21628,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { */ toObject: function() { return { + type: this.type, color: this.color, mode: this.mode, alpha: this.alpha @@ -24054,12 +24179,12 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @static * @memberOf fabric.Text * @param {SVGElement} element Element to parse + * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object - * @return {fabric.Text} Instance of fabric.Text */ - fabric.Text.fromElement = function(element, options) { + fabric.Text.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES); @@ -24135,7 +24260,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); text.originX = 'left'; text.originY = 'top'; - return text; + callback(text); }; /* _FROM_SVG_END_ */ @@ -24145,11 +24270,9 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @memberOf fabric.Text * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Text instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Text} Instance of fabric.Text */ - fabric.Text.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Text', object, callback, forceAsync, 'text'); + fabric.Text.fromObject = function(object, callback) { + return fabric.Object._fromObject('Text', object, callback, 'text'); }; fabric.util.createAccessors(fabric.Text); @@ -24433,7 +24556,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @private */ initDimensions: function() { - this.abortCursorAnimation(); + this.isEditing && this.initDelayedCursor(); this.clearContextTop(); this.callSuper('initDimensions'); }, @@ -24723,10 +24846,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @memberOf fabric.IText * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as argument - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.IText} instance of fabric.IText */ - fabric.IText.fromObject = function(object, callback, forceAsync) { + fabric.IText.fromObject = function(object, callback) { parseDecoration(object); if (object.styles) { for (var i in object.styles) { @@ -24735,7 +24856,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } } } - return fabric.Object._fromObject('IText', object, callback, forceAsync, 'text'); + fabric.Object._fromObject('IText', object, callback, 'text'); }; })(); @@ -25089,7 +25210,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } this.canvas.fire('text:editing:entered', { target: this }); this.initMouseMoveHandler(); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); return this; }, @@ -25649,11 +25770,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('tripleclick', options); this._stopEvent(options.e); } - else if (this.isDoubleClick(newPointer)) { - this.fire('dblclick', options); - this._stopEvent(options.e); - } - this.__lastLastClickTime = this.__lastClickTime; this.__lastClickTime = this.__newClickTime; this.__lastPointer = newPointer; @@ -25661,12 +25777,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.__lastSelected = this.selected; }, - isDoubleClick: function(newPointer) { - return this.__newClickTime - this.__lastClickTime < 500 && - this.__lastPointer.x === newPointer.x && - this.__lastPointer.y === newPointer.y && this.__lastIsEditing; - }, - isTripleClick: function(newPointer) { return this.__newClickTime - this.__lastClickTime < 500 && this.__lastClickTime - this.__lastLastClickTime < 500 && @@ -25695,7 +25805,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot * Initializes double and triple click event handlers */ initClicks: function() { - this.on('dblclick', function(options) { + this.on('mousedblclick', function(options) { this.selectWord(this.getSelectionStartFromPointer(options.e)); }); this.on('tripleclick', function(options) { @@ -25862,6 +25972,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.hiddenTextarea.setAttribute('autocorrect', 'off'); this.hiddenTextarea.setAttribute('autocomplete', 'off'); this.hiddenTextarea.setAttribute('spellcheck', 'false'); + this.hiddenTextarea.setAttribute('data-fabric-hiddentextarea', ''); var style = this._calcTextareaPosition(); this.hiddenTextarea.style.cssText = 'white-space: nowrap; position: absolute; top: ' + style.top + @@ -25886,9 +25997,17 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot }, /** - * @private + * For functionalities on keyDown + * Map a special key to a function of the instance/prototype + * If you need different behaviour for ESC or TAB or arrows, you have to change + * this map setting the name of a function that you build on the fabric.Itext or + * your prototype. + * the map change will affect all Instances unless you need for only some text Instances + * in that case you have to clone this object and assign your Instance. + * this.keysMap = fabric.util.object.clone(this.keysMap); + * The function must be in fabric.Itext.prototype.myFunction And will receive event as args[0] */ - _keysMap: { + keysMap: { 9: 'exitEditing', 27: 'exitEditing', 33: 'moveCursorUp', @@ -25902,17 +26021,17 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot }, /** - * @private + * For functionalities on keyUp + ctrl || cmd */ - _ctrlKeysMapUp: { + ctrlKeysMapUp: { 67: 'copy', 88: 'cut' }, /** - * @private + * For functionalities on keyDown + ctrl || cmd */ - _ctrlKeysMapDown: { + ctrlKeysMapDown: { 65: 'selectAll' }, @@ -25929,11 +26048,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot if (!this.isEditing　|| this.inCompositionMode) { return; } - if (e.keyCode in this._keysMap) { - this[this._keysMap[e.keyCode]](e); + if (e.keyCode in this.keysMap) { + this[this.keysMap[e.keyCode]](e); } - else if ((e.keyCode in this._ctrlKeysMapDown) && (e.ctrlKey || e.metaKey)) { - this[this._ctrlKeysMapDown[e.keyCode]](e); + else if ((e.keyCode in this.ctrlKeysMapDown) && (e.ctrlKey || e.metaKey)) { + this[this.ctrlKeysMapDown[e.keyCode]](e); } else { return; @@ -25946,7 +26065,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.renderCursorOrSelection(); } else { - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); } }, @@ -25961,15 +26080,15 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this._copyDone = false; return; } - if ((e.keyCode in this._ctrlKeysMapUp) && (e.ctrlKey || e.metaKey)) { - this[this._ctrlKeysMapUp[e.keyCode]](e); + if ((e.keyCode in this.ctrlKeysMapUp) && (e.ctrlKey || e.metaKey)) { + this[this.ctrlKeysMapUp[e.keyCode]](e); } else { return; } e.stopImmediatePropagation(); e.preventDefault(); - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); }, /** @@ -25996,7 +26115,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('changed'); if (this.canvas) { this.canvas.fire('text:changed', { target: this }); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); } } @@ -26037,7 +26156,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('changed'); if (this.canvas) { this.canvas.fire('text:changed', { target: this }); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); } }, /** @@ -26445,7 +26564,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this._removeExtraneousStyles(); - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); this.setCoords(); this.fire('changed'); @@ -26748,11 +26867,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot */ __cachedLines: null, - /** - * Override standard Object class values - */ - lockScalingY: true, - /** * Override standard Object class values */ @@ -26775,7 +26889,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot initialize: function(text, options) { this.callSuper('initialize', text, options); - this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); this.ctx = this.objectCaching ? this._cacheContext : fabric.util.createCanvasElement().getContext('2d'); // add width to this list of props that effect line wrapping. this._dimensionAffectingProps.push('width'); @@ -26791,7 +26904,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot if (this.__skipDimension) { return; } - this.initDelayedCursor(); + this.isEditing && this.initDelayedCursor(); this.clearContextTop(); this._clearCache(); // clear dynamicMinWidth as it will be different after we re-wrap line @@ -27056,25 +27169,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot return newText; }, - /** - * When part of a group, we don't want the Textbox's scale to increase if - * the group's increases. That's why we reduce the scale of the Textbox by - * the amount that the group's increases. This is to maintain the effective - * scale of the Textbox at 1, so that font-size values make sense. Otherwise - * the same font-size value would result in different actual size depending - * on the value of the scale. - * @param {String} key - * @param {*} value - */ - setOnGroup: function(key, value) { - if (key === 'scaleX') { - this.set('scaleX', Math.abs(1 / value)); - this.set('width', (this.get('width') * value) / - (typeof this.__oldScaleX === 'undefined' ? 1 : this.__oldScaleX)); - this.__oldScaleX = value; - } - }, - getMinWidth: function() { return Math.max(this.minWidth, this.dynamicMinWidth); }, @@ -27096,31 +27190,10 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot * @memberOf fabric.Textbox * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Textbox instance is created - * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first - * @return {fabric.Textbox} instance of fabric.Textbox - */ - fabric.Textbox.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject('Textbox', object, callback, forceAsync, 'text'); - }; - - /** - * Returns the default controls visibility required for Textboxes. - * @returns {Object} */ - fabric.Textbox.getTextboxControlVisibility = function() { - return { - tl: false, - tr: false, - br: false, - bl: false, - ml: true, - mt: false, - mr: true, - mb: false, - mtr: true - }; + fabric.Textbox.fromObject = function(object, callback) { + return fabric.Object._fromObject('Textbox', object, callback, 'text'); }; - })(typeof exports !== 'undefined' ? exports : this); @@ -27136,8 +27209,9 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot lockScalingX, lockScalingY, by, lockScalingFlip, _dim) { var t = transform.target; - if (t instanceof fabric.Textbox) { - var w = t.width * ((localMouse.x / transform.scaleX) / (t.width + t.strokeWidth)); + if (by === 'x' && t instanceof fabric.Textbox) { + var tw = t._getTransformedDimensions().x; + var w = t.width * (localMouse.x / tw); if (w >= t.getMinWidth()) { t.set('width', w); return true; @@ -27149,23 +27223,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot } }; - /** - * Sets controls of this group to the Textbox's special configuration if - * one is present in the group. Deletes _controlsVisibility otherwise, so that - * it gets initialized to default value at runtime. - */ - fabric.Group.prototype._refreshControlsVisibility = function() { - if (typeof fabric.Textbox === 'undefined') { - return; - } - for (var i = this._objects.length; i--;) { - if (this._objects[i] instanceof fabric.Textbox) { - this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); - return; - } - } - }; - fabric.util.object.extend(fabric.Textbox.prototype, /** @lends fabric.IText.prototype */ { /** * @private @@ -27393,3 +27450,4 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot } })(); + diff --git a/dist/fabric.min.js b/dist/fabric.min.js index bce268d6988..e65e44ba2a9 100644 --- a/dist/fabric.min.js +++ b/dist/fabric.min.js @@ -1,9 +1,9 @@ -var fabric=fabric||{version:"2.0.0-beta2"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas-prebuilt",fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)&&fabric.enableGLFiltering?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t},createImage:function(){return fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Function("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?A-=2*f:1===c&&A<0&&(A+=2*f);for(var M=Math.ceil(Math.abs(A/f*2)),L=[],I=A/M,F=8/3*Math.sin(I/4)*Math.sin(I/4)/Math.sin(I/2),R=P+I,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=Math.sqrt,y=Math.min,x=Math.max,C=Math.abs,S=[],T=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var w=0;w<2;++w)if(w>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0=e})}function i(t,e){return n(t,e,function(t,e){return t/g,">")}function r(t){for(var e,i=0,r=[],i=0;i57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var s=null,a=r.call(arguments,0);"function"==typeof a[0]&&(s=a.shift()),i.superclass=s,i.subclasses=[],s&&(t.prototype=s.prototype,i.prototype=new t,s.subclasses.push(i));for(var h=0,c=a.length;h-1?t.prototype[r]=function(t){return function(){var r=this.constructor.superclass;this.constructor.superclass=i;var n=e[t].apply(this,arguments);if(this.constructor.superclass=r,"initialize"!==t)return n}}(r):t.prototype[r]=e[r],s&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};fabric.util.createClass=i}(),function(){function t(t){var e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i-1?s(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)if("opacity"===r)s(t,e[r]);else{var n="float"===r||"cssFloat"===r?"undefined"==typeof i.styleFloat?"cssFloat":"styleFloat":r;i[n]=e[r]}return t}var e=fabric.document.createElement("div"),i="string"==typeof e.style.opacity,r="string"==typeof e.style.filter,n=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};i?s=function(t,e){return t.style.opacity=e,t}:r&&(s=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}(),function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&(" "+t.className+" ").indexOf(" "+e+" ")===-1&&(t.className+=(t.className?" ":"")+e)}function r(t,i,r){return"string"==typeof i&&(i=e(i,r)),t.parentNode&&t.parentNode.replaceChild(i,t),i.appendChild(t),i}function n(t){for(var e=0,i=0,r=fabric.document.documentElement,n=fabric.document.body||{scrollLeft:0,scrollTop:0};t&&(t.parentNode||t.host)&&(t=t.parentNode||t.host,t===fabric.document?(e=n.scrollLeft||r.scrollLeft||0,i=n.scrollTop||r.scrollTop||0):(e+=t.scrollLeft||0,i+=t.scrollTop||0),1!==t.nodeType||"fixed"!==fabric.util.getElementStyle(t,"position")););return{left:e,top:i}}function s(t){var e,i,r=t&&t.ownerDocument,s={left:0,top:0},o={left:0,top:0},a={borderLeftWidth:"left",borderTopWidth:"top",paddingLeft:"left",paddingTop:"top"};if(!r)return o;for(var h in a)o[a[h]]+=parseInt(c(t,h),10)||0;return e=r.documentElement,"undefined"!=typeof t.getBoundingClientRect&&(s=t.getBoundingClientRect()),i=n(t),{left:s.left+i.left-(e.clientLeft||0)+o.left,top:s.top+i.top-(e.clientTop||0)+o.top}}var o,a=Array.prototype.slice,h=function(t){return a.call(t,0)};try{o=h(fabric.document.childNodes)instanceof Array}catch(t){}o||(h=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var c;c=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in i?"KhtmlUserSelect":"";fabric.util.makeElementUnselectable=t,fabric.util.makeElementSelectable=e}(),function(){function t(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),n=!0;r.onload=r.onreadystatechange=function(t){if(n){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;n=!1,e(t||fabric.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,i.appendChild(r)}fabric.util.getScript=t}(),fabric.util.getById=t,fabric.util.toArray=h,fabric.util.makeElement=e,fabric.util.addClass=i,fabric.util.wrapElement=r,fabric.util.getScrollLeftTop=n,fabric.util.getElementOffset=s,fabric.util.getElementStyle=c}(),function(){function t(t,e){return t+(/\?/.test(t)?"&":"?")+e}function e(){}function i(i,n){n||(n={});var s=n.method?n.method.toUpperCase():"GET",o=n.onComplete||function(){},a=r(),h=n.body||n.parameters;return 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r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}function e(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){var o=n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2));return t(i,r,o)}}))}fabric.util.animateColor=e}(),function(){function t(t,e,i,r){return ta?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return y;if((f||d)&&(x=" translate("+_(f)+" "+_(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") ","svg"===t.nodeName){for(n=t.ownerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else n=t,r=n.getAttribute("transform")+r;return n.setAttribute("transform",r),y}function g(t,e){for(;t&&(t=t.parentNode);)if(t.nodeName&&e.test(t.nodeName.replace("svg:",""))&&!t.getAttribute("instantiated_by_use"))return!0;return!1}var p=t.fabric||(t.fabric={}),v=p.util.object.extend,m=p.util.object.clone,b=p.util.toFixed,_=p.util.parseUnit,y=p.util.multiplyTransformMatrices,x=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,C=/^(symbol|image|marker|pattern|view|svg)$/i,S=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,T=/^(symbol|g|a|svg)$/i,w={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit", -"stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},O={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))",h="(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))",c="(?:(rotate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))",l="(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",u="(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",f="(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))",d="(?:"+f+"|"+u+"|"+l+"|"+c+"|"+a+"|"+h+")",g="(?:"+d+"(?:"+o+"*"+d+")*)",v="^\\s*(?:"+g+"?)\\s*$",m=new RegExp(v),b=new RegExp(d,"g");return function(s){var o=n.concat(),a=[];if(!s||s&&!m.test(s))return o;s.replace(b,function(s){var h=new RegExp(d).exec(s).filter(function(t){return!!t}),c=h[1],l=h.slice(2).map(parseFloat);switch(c){case"translate":r(o,l);break;case"rotate":l[0]=p.util.degreesToRadians(l[0]),t(o,l);break;case"scale":e(o,l);break;case"skewX":i(o,l,2);break;case"skewY":i(o,l,1);break;case"matrix":o=l}a.push(o.concat()),o=n.concat()});for(var h=a[0];a.length>1;)a.shift(),h=p.util.multiplyTransformMatrices(h,a[0]);return h}}();var k=new RegExp("^\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*$");p.parseSVGDocument=function(t,e,i,r){if(t){f(t);var n=p.Object.__uid++,s=d(t),o=p.util.toArray(t.getElementsByTagName("*"));if(s.crossOrigin=r&&r.crossOrigin,s.svgUid=n,0===o.length&&p.isLikelyNode){o=t.selectNodes('//*[name(.)!="svg"]');for(var a=[],h=0,c=o.length;h/i,""))),n&&n.documentElement||e&&e(null),p.parseSVGDocument(n.documentElement,function(t,i){e&&e(t,i)},i,r)}t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.replace(//i,"")));p.parseSVGDocument(n.documentElement,function(t,i){e(t,i)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;tt.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r=n(this.coords,!0),s=n(this.colorStops,!0),o=r.r1>r.r2;s.sort(function(t,e){return t.offset-e.offset});for(var a in r)"x1"===a||"x2"===a?r[a]+=this.offsetX-t.width/2:"y1"!==a&&"y2"!==a||(r[a]+=this.offsetY-t.height/2);if(i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']),"radial"===this.type){if(o){s=s.concat(),s.reverse();for(var h=0;h0)for(var l=Math.max(r.r1,r.r2),u=c/l,h=0;h\n')}return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t){var e,i=fabric.util.object.clone(this.coords);if(this.type){"linear"===this.type?e=t.createLinearGradient(i.x1,i.y1,i.x2,i.y2):"radial"===this.type&&(e=t.createRadialGradient(i.x1,i.y1,i.r1,i.x2,i.y2,i.r2));for(var r=0,n=this.colorStops.length;r\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if("undefined"==typeof e.getContext)throw o;return e},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i=this._activeGroup,r=!1,n=!0;this.viewportTransform=t;for(var s=0,o=this._objects.length;s"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o,a="",h={},c=fabric.fontPaths,l=this.getObjects(),u=0,f=l.length;u',"\n",a,"","\n"].join("")),a},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll()},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&cs?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(this.targets=[],s&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&o===this._searchPossibleTargets([o],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){var e=this._activeObject;e&&(e.set("active",!1),t!==e&&e.onDeselect&&"function"==typeof e.onDeselect&&e.onDeselect()),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){var i=this.getActiveObject();return i&&i!==t&&i.fire("deselected",{e:e}),this._setActiveObject(t),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this.renderAll(),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){var t=this._activeObject;t&&(t.set("active",!1),t.onDeselect&&"function"==typeof t.onDeselect&&t.onDeselect()),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t})),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return e&&(this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t})),this},deactivateAll:function(){for(var t,e=this.getObjects(),i=0,r=e.length;i1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.renderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e||!e.selectable)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return n?this._setCornerCursor(n,e,t):this.setCursor(i),!0},_setCornerCursor:function(t,i,r){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,i,r));else{if("mtr"!==t||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t))},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i,e),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),this.fire("selection:created",{target:e,e:t}),this.renderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.height||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t);this.clear();var n=this;return this._enlivenObjects(r.objects,function(){n._setBgOverlay(r,function(){delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var n=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(i.renderAll(),e&&e())};this.__setBgOverlay("backgroundImage",t.backgroundImage,r,n),this.__setBgOverlay("overlayImage",t.overlayImage,r,n),this.__setBgOverlay("backgroundColor",t.background,r,n),this.__setBgOverlay("overlayColor",t.overlay,r,n)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){var r=this;if(!t||0===t.length)return void(e&&e());var n=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){r.insertAt(t,e)}),r.renderOnAddRemove=n,e&&e()},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,needsItsOwnCache:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor".split(" "),initialize:function(t){t=t||{},t&&this.setOptions(t),this.objectCaching&&this._createCacheCanvas()},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,i=this.getObjectScaling(),r=this._getNonTransformedDimensions(),n=this.canvas&&this.canvas._isRetinaScaling()?e.devicePixelRatio:1,s=i.scaleX*t*n,o=i.scaleY*t*n,a=r.x*s,h=r.y*o;return{width:a+2,height:h+2,zoomX:s,zoomY:o}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.action;if("scale"===t.slice(0,5))return!1}var e=this._getCacheCanvasDimensions(),i=e.width,r=e.height,n=e.zoomX,s=e.zoomY;return(i!==this.cacheWidth||r!==this.cacheHeight)&&(this._cacheCanvas.width=Math.ceil(i),this._cacheCanvas.height=Math.ceil(r),this._cacheContext.translate(i/2,r/2),this._cacheContext.scale(n,s),this.cacheWidth=i,this.cacheHeight=r,this.zoomX=n,this.zoomY=s,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},render:function(t){0===this.width&&0===this.height||!this.visible||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},shouldCache:function(){return this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching())},willDrawShadow:function(){return!!this.shadow},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheWidth/2,-this.cacheHeight/2)},isCacheDirty:function(t){if(!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group.transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n=this.getViewportTransform(),s=this.calcTransformMatrix();i=i||{},s=e.util.multiplyTransformMatrices(n,s),r=e.util.qrDecompose(s),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(o(r.angle)),(this.hasBorders||i.hasBorders)&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),(this.hasBorders||i.hasBorders)&&this.drawBorders(t,i)),(this.hasControls||i.hasControls)&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(e.toLive){var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;t.translate(r,n),i&&t.transform.apply(t,i)}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();if(this.transformMatrix){var i=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",i.scaleX),this.set("scaleY",i.scaleY),this.angle=i.angle,this.skewX=i.skewX,this.skewY=0,t=e.util.transformPoint(t,this.transformMatrix)}this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s,o){var a=e[t];if(i=r(i,!0),!s){var h=o?new a(i[o],i):new a(i);return n&&n(h),h}e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=o?new a(i[o],i):new a(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x), -this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var _=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),y=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(y.x+a*this.rotatingPointOffset,y.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=_,g.mt=y,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e=this.getCenterPoint(),r=[1,0,0,1,e.x,e.y],n=this._calcRotateMatrix(),s=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),o=this.group&&!t?this.group.calcTransformMatrix():fabric.iMatrix.concat();return o=i(o,r),o=i(o,n),o=i(o,s)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(!fabric.isLikelyNode&&t instanceof Element)return t===i;if(t instanceof Array){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e){e=e||{};var n=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[n.x1||0,n.y1||0,n.x2||0,n.y2||0];return e.originX="left",e.originY="top",new i.Line(s,r(n,e))},i.Line.fromObject=function(t,e,r){function s(t){delete t.points,e&&e(t)}var o=n(t,!0);o.points=[t.x1,t.y1,t.x2,t.y2];var a=i.Object._fromObject("Line",o,s,r,"points");return a&&delete a.points,a}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r){r||(r={});var s=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(s))throw new Error("value of `r` attribute is required and can not be negative");return s.left=(s.left||0)-s.radius,s.top=(s.top||0)-s.radius,s.originX="left",s.originY="top",new i.Circle(n(s,r))},i.Circle.fromObject=function(t,e,r){return i.Object._fromObject("Circle",t,e,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i,r){return e.Object._fromObject("Triangle",t,i,r)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);return n.left=(n.left||0)-n.rx,n.top=(n.top||0)-n.ry,n.originX="left",n.originY="top",new e.Ellipse(r(n,i))},e.Ellipse.fromObject=function(t,i,r){return e.Object._fromObject("Ellipse",t,i,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r){if(!t)return null;r=r||{};var n=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0,n.originX="left",n.originY="top";var s=new e.Rect(i(r?e.util.object.clone(r):{},n));return s.visible=s.visible&&s.width>0&&s.height>0,s},e.Rect.fromObject=function(t,i,r){return e.Object._fromObject("Rect",t,i,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX),this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),s=n(t,"x"),o=n(t,"y");this.width=s-e||0,this.height=o-i||0,this.minX=e||0,this.minY=i||0},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){var e=n(this.callSuper("toObject",["sourcePath","pathOffset"].concat(t)),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var m=1,b=n.length;m"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching());if(this.caching=t,t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in s){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var o=this.fill;this.fill=null,e.push("\n'),this.fill=o}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2,n=this._findMargins();"slice"===this.meetOrSlice&&(t.beginPath(),t.rect(i,r,this.width,this.height),t.clip()),this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,i+n.marginX,r+n.marginY,n.width,n.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_findMargins:function(){var t,e,i=this.width,r=this.height,n=0,s=0;return"none"===this.alignX&&"none"===this.alignY||(t=[this.width/this._element.width,this.height/this._element.height],e="meet"===this.meetOrSlice?Math.min.apply(null,t):Math.max.apply(null,t),i=this._element.width*e,r=this._element.height*e,"Mid"===this.alignX&&(n=(this.width-i)/2),"Max"===this.alignX&&(n=this.width-i),"Mid"===this.alignY&&(s=(this.height-r)/2),"Max"===this.alignY&&(s=this.height-r)),{width:i,height:r,marginX:n,marginY:s}},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n,s=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);s.preserveAspectRatio&&(n=fabric.util.parsePreserveAspectRatioAttribute(s.preserveAspectRatio),e(s,n)),fabric.Image.fromURL(s["xlink:href"],i,e(r?fabric.util.object.clone(r):{},s))},fabric.Image.async=!0,fabric.Image.pngCompression=1}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1])},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a.canvas,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},copyGLTo2D:function(t,e){var i=e.getContext("2d");i.translate(0,e.height),i.scale(1,-1);var r=t.height-e.height;i.drawImage(t,0,r,e.width,e.height,0,0,e.width,e.height)},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2d uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uWidth=t.getUniformLocation(s,"uWidth"),a.uHeight=t.getUniformLocation(s,"uHeight"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;sy||o<0||o>_||(h=4*(a*_+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;el[0]&&n>l[1]&&s>l[2]&&rt)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,j,D,E,P,A,M;for(T.x=(t+.5)*m,w.x=r(T.x),a=0;a=e)){A=r(1e3*s(h-T.x)),S[A]||(S[A]={});for(var L=w.y-C;L<=w.y+C;L++)L<0||L>=o||(M=r(1e3*s(L-T.y)),S[A][M]||(S[A][M]=v(n(i(A*_,2)+i(M*y,2))/1e3)),u=S[A][M],u>0&&(O=4*(L*e+h),k+=u,j+=u*d[O],D+=u*d[O+1],E+=u*d[O+2],P+=u*d[O+3]))}O=4*(a*c+t),p[O]=j/k,p[O+1]=D/k,p[O+2]=E/k,p[O+3]=P/k}return++t1&&L<-1||(y=2*L*L*L-3*L*L+1,y>0&&(M=4*(A+j*e),O+=y*g[M+3],C+=y,g[M+3]<255&&(y=y*g[M+3]/250),S+=y*g[M],T+=y*g[M+1],w+=y*g[M+2],x+=y))}v[_]=S/x,v[_+1]=T/x,v[_+2]=w/x,v[_+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;ds)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;ri&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r){if(!t)return null;var n=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);if(r=e.util.object.extend(r?i(r):{},n),r.top=r.top||0,r.left=r.left||0,n.textDecoration){var s=n.textDecoration;s.indexOf("underline")!==-1&&(r.underline=!0),s.indexOf("overline")!==-1&&(r.overline=!0),s.indexOf("line-through")!==-1&&(r.linethrough=!0),delete r.textDecoration}"dx"in n&&(r.left+=n.dx),"dy"in n&&(r.top+=n.dy),"fontSize"in r||(r.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),r.originX||(r.originX="left");var o="";"textContent"in t?o=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(o=t.firstChild.data),o=o.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var a=new e.Text(o,r),h=a.getHeight()/a.height,c=(a.height+a.strokeWidth)*a.lineHeight-a.height,l=c*h,u=a.getHeight()+l,f=0;return"center"===a.originX&&(f=a.getWidth()/2),"right"===a.originX&&(f=a.getWidth()),a.set({left:a.getLeft()-f,top:a.getTop()-(u-a.fontSize*(.18+a._fontSizeFraction))/a.lineHeight}),a.originX="left",a.originY="top",a},e.Text.fromObject=function(t,i,r){return e.Object._fromObject("Text",t,i,r,"text")},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i,r){if(t(e),e.styles)for(var n in e.styles)for(var s in e.styles[n])t(e.styles[n][s]);return fabric.Object._fromObject("IText",e,i,r,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1,this.callSuper("onDeselect")},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea()},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;ie&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&this.styles[e][i-1]&&(s=this.styles[e][i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){var s=this.styles[e],o=t(s);r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,s)if(n)for(;r--;)this.styles[e][i+r]=t(n[r]);else for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=0,s=0,o=0;ot&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;us?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="white-space: nowrap; position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},_ctrlKeysMapUp:{67:"copy",88:"cut"},_ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this._keysMap)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.renderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this._ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this._ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.renderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd), -a+=this.selectionEnd-this.selectionStart):oh.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.renderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){if(this.selectionStart!==this.selectionEnd){var t=this.getSelectedText();fabric.copiedText=t,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),this._copyDone=!0}},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;he){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(i),"\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s=h.getMinWidth()?(h.set("width",c),!0):void 0},fabric.Group.prototype._refreshControlsVisibility=function(){if("undefined"!=typeof fabric.Textbox)for(var t=this._objects.length;t--;)if(this._objects[t]instanceof fabric.Textbox)return void this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility())},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); +var fabric=fabric||{version:"2.0.0-beta2"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)&&fabric.enableGLFiltering?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t},createImage:function(){return fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Function("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?P-=2*f:1===c&&P<0&&(P+=2*f);for(var M=Math.ceil(Math.abs(P/f*2)),L=[],I=P/M,F=8/3*Math.sin(I/4)*Math.sin(I/4)/Math.sin(I/2),R=A+I,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=Math.sqrt,y=Math.min,x=Math.max,C=Math.abs,S=[],w=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var T=0;T<2;++T)if(T>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0=e})}function i(t,e){return n(t,e,function(t,e){return t/g,">")}function r(t){for(var e,i=0,r=[],i=0;i57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var s=null,a=r.call(arguments,0);"function"==typeof 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e.style.filter,n=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};i?s=function(t,e){return t.style.opacity=e,t}:r&&(s=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}(),function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&(" "+t.className+" ").indexOf(" "+e+" ")===-1&&(t.className+=(t.className?" 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a.call(t,0)};try{o=h(fabric.document.childNodes)instanceof Array}catch(t){}o||(h=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var c;c=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in 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r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}function e(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){var o=n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2));return t(i,r,o)}}))}fabric.util.animateColor=e}(),function(){function t(t,e,i,r){return ta?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return y;if((f||d)&&(x=" translate("+_(f)+" "+_(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") ","svg"===t.nodeName){for(n=t.ownerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else n=t,r=n.getAttribute("transform")+r;return n.setAttribute("transform",r),y}function g(t,e){for(;t&&(t=t.parentNode);)if(t.nodeName&&e.test(t.nodeName.replace("svg:",""))&&!t.getAttribute("instantiated_by_use"))return!0;return!1}var p=t.fabric||(t.fabric={}),v=p.util.object.extend,m=p.util.object.clone,b=p.util.toFixed,_=p.util.parseUnit,y=p.util.multiplyTransformMatrices,x=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,C=/^(symbol|image|marker|pattern|view|svg)$/i,S=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,w=/^(symbol|g|a|svg)$/i,T={ +cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},O={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))",h="(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))",c="(?:(rotate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))",l="(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",u="(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",f="(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))",d="(?:"+f+"|"+u+"|"+l+"|"+c+"|"+a+"|"+h+")",g="(?:"+d+"(?:"+o+"*"+d+")*)",v="^\\s*(?:"+g+"?)\\s*$",m=new RegExp(v),b=new RegExp(d,"g");return function(s){var o=n.concat(),a=[];if(!s||s&&!m.test(s))return o;s.replace(b,function(s){var h=new 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p.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.replace(//i,"")));p.parseSVGDocument(n.documentElement,function(t,i,r,n){e(t,i,r,n)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;tt.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r=n(this.coords,!0),s=n(this.colorStops,!0),o=r.r1>r.r2;s.sort(function(t,e){return t.offset-e.offset});for(var a in r)"x1"===a||"x2"===a?r[a]+=this.offsetX-t.width/2:"y1"!==a&&"y2"!==a||(r[a]+=this.offsetY-t.height/2);if(i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']),"radial"===this.type){if(o){s=s.concat(),s.reverse();for(var h=0;h0)for(var l=Math.max(r.r1,r.r2),u=c/l,h=0;h\n')}return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t){var e,i=fabric.util.object.clone(this.coords);if(this.type){"linear"===this.type?e=t.createLinearGradient(i.x1,i.y1,i.x2,i.y2):"radial"===this.type&&(e=t.createRadialGradient(i.x1,i.y1,i.r1,i.x2,i.y2,i.r2));for(var r=0,n=this.colorStops.length;r\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if("undefined"==typeof e.getContext)throw o;return e},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i=this._activeGroup,r=!1,n=!0;this.viewportTransform=t;for(var s=0,o=this._objects.length;s"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o,a="",h={},c=fabric.fontPaths,l=this.getObjects(),u=0,f=l.length;u',"\n",a,"","\n"].join("")),a},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&cs?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(this.targets=[],s&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&o===this._searchPossibleTargets([o],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){var e=this._activeObject;e&&(e.set("active",!1),t!==e&&e.onDeselect&&"function"==typeof e.onDeselect&&e.onDeselect()),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){var i=this.getActiveObject();return i&&i!==t&&i.fire("deselected",{e:e}),this._setActiveObject(t),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this.requestRenderAll(),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){var t=this._activeObject;t&&(t.set("active",!1),t.onDeselect&&"function"==typeof t.onDeselect&&t.onDeselect()),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t})),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return e&&(this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t})),this},deactivateAll:function(){for(var t,e=this.getObjects(),i=0,r=e.length;i1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return n?this._setCornerCursor(n,e,t):this.setCursor(i),!0},_setCornerCursor:function(t,i,r){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,i,r));else{if("mtr"!==t||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t))},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i,e),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),this.fire("selection:created",{target:e,e:t}),this.requestRenderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.height||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){return t&&0!==t.length?void fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):void(e&&e([]))},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,c=2;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t=t||{},t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),h=e.util.capValue,c=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=h(l,a.x,c),f=h(l,a.y,c);return n>u?(t.zoomX/=n/u,t.width=u):nf?(t.zoomY/=s/f,t.height=f):sg||s>p,m=(n<.9*g||s<.9*p)&&g>r&&p>r;d=v||m,v&&(u=.1*n&-2,f=.1*s&-2)}return!!l&&(d?(this._cacheCanvas.width=Math.max(Math.ceil(n)+u,r),this._cacheCanvas.height=Math.max(Math.ceil(s)+f,r),this.cacheTranslationX=(n+u)/2,this.cacheTranslationY=(s+f)/2):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,this._cacheCanvas.width,this._cacheCanvas.height)),this.cacheWidth=n,this.cacheHeight=s,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(o,a),this.zoomX=o,this.zoomY=a,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.isOnACache()&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},needsItsOwnCache:function(){return!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group.transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),r=e.util.qrDecompose(h),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(e.toLive){var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;t.translate(r,n),i&&t.transform.apply(t,i)}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();if(this.transformMatrix){var i=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",i.scaleX),this.set("scaleY",i.scaleY),this.angle=i.angle,this.skewX=i.skewX,this.skewY=0,t=e.util.transformPoint(t,this.transformMatrix)}this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x, +y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=s?new o(i[s],i):new o(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var _=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),y=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(y.x+a*this.rotatingPointOffset,y.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=_,g.mt=y,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e=this.getCenterPoint(),r=[1,0,0,1,e.x,e.y],n=this._calcRotateMatrix(),s=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),o=this.group&&!t?this.group.calcTransformMatrix():fabric.iMatrix.concat();return o=i(o,r),o=i(o,n),o=i(o,s)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n.originX="left",n.originY="top",e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",s,r,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r,s){s||(s={});var o=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(o))throw new Error("value of `r` attribute is required and can not be negative");o.left=(o.left||0)-o.radius,o.top=(o.top||0)-o.radius,o.originX="left",o.originY="top",r(new i.Circle(n(o,s)))},i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i,n){n||(n={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=(s.left||0)-s.rx,s.top=(s.top||0)-s.ry,s.originX="left",s.originY="top",i(new e.Ellipse(r(s,n)))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.originX="left",s.originY="top";var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX),this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),s=n(t,"x"),o=n(t,"y");this.width=s-e||0,this.height=o-i||0,this.minX=e||0,this.minY=i||0},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){var e=n(this.callSuper("toObject",["sourcePath","pathOffset"].concat(t)),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var m=1,b=n.length;m"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in s){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var s=this.fill;this.fill=null,e.push("\n'),this.fill=s}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2;this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,this.cropX,this.cropY,this.width,this.height,i,r,this.width,this.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},parsePreserveAspectRatioAttribute:function(){if(this.preserveAspectRatio){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio),i=this._element.width,r=this._element.height,n=this.width,s=this.height,o={width:n,height:s};!e||"none"===e.alignX&&"none"===e.alignY?(this.scaleX=n/i,this.scaleY=s/r):("meet"===e.meetOrSlice&&(this.width=i,this.height=r,this.scaleX=this.scaleY=t=fabric.util.findScaleToFit(this._element,o),"Mid"===e.alignX&&(this.left+=(n-i*t)/2),"Max"===e.alignX&&(this.left+=n-i*t),"Mid"===e.alignY&&(this.top+=(s-r*t)/2),"Max"===e.alignY&&(this.top+=s-r*t)),"slice"===e.meetOrSlice&&(this.scaleX=this.scaleY=t=fabric.util.findScaleToCover(this._element,o),this.width=n/t,this.height=s/t,"Mid"===e.alignX&&(this.cropX=(i-this.width)/2),"Max"===e.alignX&&(this.cropX=i-this.width),"Mid"===e.alignY&&(this.cropY=(r-this.height)/2),"Max"===e.alignY&&(this.cropY=r-this.height)))}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1])},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a.canvas,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},copyGLTo2D:function(t,e){var i=e.getContext("2d");i.translate(0,e.height),i.scale(1,-1);var r=t.height-e.height;i.drawImage(t,0,r,e.width,e.height,0,0,e.width,e.height)},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2d uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;sy||o<0||o>_||(h=4*(a*_+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;el[0]&&n>l[1]&&s>l[2]&&rt)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,D,j,E,A,P,M;for(w.x=(t+.5)*m,T.x=r(w.x),a=0;a=e)){P=r(1e3*s(h-w.x)),S[P]||(S[P]={});for(var L=T.y-C;L<=T.y+C;L++)L<0||L>=o||(M=r(1e3*s(L-w.y)),S[P][M]||(S[P][M]=v(n(i(P*_,2)+i(M*y,2))/1e3)),u=S[P][M],u>0&&(O=4*(L*e+h),k+=u,D+=u*d[O],j+=u*d[O+1],E+=u*d[O+2],A+=u*d[O+3]))}O=4*(a*c+t),p[O]=D/k,p[O+1]=j/k,p[O+2]=E/k,p[O+3]=A/k}return++t1&&L<-1||(y=2*L*L*L-3*L*L+1,y>0&&(M=4*(P+D*e),O+=y*g[M+3],C+=y,g[M+3]<255&&(y=y*g[M+3]/250),S+=y*g[M],w+=y*g[M+1],T+=y*g[M+2],x+=y))}v[_]=S/x,v[_+1]=w/x,v[_+2]=T/x,v[_+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;ds)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;ri&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var o=s.textDecoration;o.indexOf("underline")!==-1&&(n.underline=!0),o.indexOf("overline")!==-1&&(n.overline=!0),o.indexOf("line-through")!==-1&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),n.originX||(n.originX="left");var a="";"textContent"in t?a=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(a=t.firstChild.data),a=a.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var h=new e.Text(a,n),c=h.getHeight()/h.height,l=(h.height+h.strokeWidth)*h.lineHeight-h.height,u=l*c,f=h.getHeight()+u,d=0;"center"===h.originX&&(d=h.getWidth()/2),"right"===h.originX&&(d=h.getWidth()),h.set({left:h.getLeft()-d,top:h.getTop()-(f-h.fontSize*(.18+h._fontSizeFraction))/h.lineHeight}),h.originX="left",h.originY="top",r(h)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1,this.callSuper("onDeselect")},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea()},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;ie&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&this.styles[e][i-1]&&(s=this.styles[e][i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){var s=this.styles[e],o=t(s);r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,s)if(n)for(;r--;)this.styles[e][i+r]=t(n[r]);else for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=0,s=0,o=0;ot&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;us?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea","");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="white-space: nowrap; position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";", +fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):oh.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){if(this.selectionStart!==this.selectionEnd){var t=this.getSelectedText();fabric.copiedText=t,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),this._copyDone=!0}},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;he){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.requestRenderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(i),"\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s=h.getMinWidth()?(h.set("width",l),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); \ No newline at end of file diff --git a/dist/fabric.min.js.gz b/dist/fabric.min.js.gz index 1d1f20fc272b675d77c5535959ebb6b721fe241d..9ac93feca64ed96ff2f6b116c14943dcb69b8619 100644 GIT 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zoh+RYmG#YfHiNqzuGw)Eqk=1tUvRJ?7wV!InXZY5#V)$2CFlKSIwk=2cJKKq#5VcR zh^JK%h*0&WZ$Db9bMotRT_4e`txgylg|M4xV z!r;P|L5IRF^=kjWe~o|5S_cdxY^lUw&pNID!P9_yKox`S!!*e0$~d@*t%Lq##HUMx zxpxQJ)S5fCBC6UZ%!^d!%u$&`UO?rpcR8Nc8&-CElmkt^6bB6uxIA-0EL%FtxD*Z- z<3y!v4#g&uG+JpiBOEb?>oyK1ACaiz5WrL&2I$-dTD}gJ{8Lrg- zV&Ojn>SR^m1M_5~G+-)zBSS0!mQha-$GQTTv;%kXs~F;XRmJD2oL z9+1NK?z+}Q2x)-Q*H$cHE>_McT!3+7jmrEDIjD4iS6PM9sA}FsjAgNnt)^aivDBHW z0X2u+58rRE7Gdzr1$ vHk@UxR6<{3tJMz7ib0A61YS-!+k5~tYsU2jlX35XfgJu{a&mIRmM#PUBDAF9 diff --git a/dist/fabric.require.js b/dist/fabric.require.js index f571784660e..4e9483775f5 100644 --- a/dist/fabric.require.js +++ b/dist/fabric.require.js @@ -33,7 +33,13 @@ fabric.fontPaths = {}; fabric.iMatrix = [ 1, 0, 0, 1, 0, 0 ]; -fabric.canvasModule = "canvas-prebuilt"; +fabric.canvasModule = "canvas"; + +fabric.perfLimitSizeTotal = 2097152; + +fabric.maxCacheSideLimit = 4096; + +fabric.minCacheSideLimit = 256; fabric.charWidthsCache = {}; @@ -385,7 +391,7 @@ fabric.CommonMethods = { callback && callback(enlivenedObjects); } } - var enlivenedObjects = [], numLoadedObjects = 0, numTotalObjects = objects.length, forceAsync = true; + var enlivenedObjects = [], numLoadedObjects = 0, numTotalObjects = objects.length; if (!numTotalObjects) { callback && callback(enlivenedObjects); return; @@ -400,7 +406,7 @@ fabric.CommonMethods = { error || (enlivenedObjects[index] = obj); reviver && reviver(o, obj, error); onLoaded(); - }, forceAsync); + }); }); }, enlivenPatterns: function(patterns, callback) { @@ -587,6 +593,22 @@ fabric.CommonMethods = { } else if (fabric.charWidthsCache[fontFamily]) { delete fabric.charWidthsCache[fontFamily]; } + }, + limitDimsByArea: function(ar, maximumArea) { + var roughWidth = Math.sqrt(maximumArea * ar), perfLimitSizeY = Math.floor(maximumArea / roughWidth); + return { + x: Math.floor(roughWidth), + y: perfLimitSizeY + }; + }, + capValue: function(min, value, max) { + return Math.max(min, Math.min(value, max)); + }, + findScaleToFit: function(source, destination) { + return Math.min(destination.width / source.width, destination.height / source.height); + }, + findScaleToCover: function(source, destination) { + return Math.max(destination.width / source.width, destination.height / source.height); } }; })(typeof exports !== "undefined" ? exports : this); @@ -2058,9 +2080,9 @@ if (typeof console !== "undefined") { } fabric.gradientDefs[svgUid] = fabric.getGradientDefs(doc); fabric.cssRules[svgUid] = fabric.getCSSRules(doc); - fabric.parseElements(elements, function(instances) { + fabric.parseElements(elements, function(instances, elements) { if (callback) { - callback(instances, options); + callback(instances, options, elements, descendants); } }, clone(options), reviver, parsingOptions); }; @@ -2223,8 +2245,8 @@ if (typeof console !== "undefined") { if (!xml || !xml.documentElement) { callback && callback(null); } - fabric.parseSVGDocument(xml.documentElement, function(results, _options) { - callback && callback(results, _options); + fabric.parseSVGDocument(xml.documentElement, function(results, _options, elements, allElements) { + callback && callback(results, _options, elements, allElements); }, reviver, options); } }, @@ -2241,8 +2263,8 @@ if (typeof console !== "undefined") { doc.async = "false"; doc.loadXML(string.replace(//i, "")); } - fabric.parseSVGDocument(doc.documentElement, function(results, _options) { - callback(results, _options); + fabric.parseSVGDocument(doc.documentElement, function(results, _options, elements, allElements) { + callback(results, _options, elements, allElements); }, reviver, options); } }); @@ -2288,17 +2310,7 @@ fabric.ElementsParser.prototype.createObject = function(el, index) { }; fabric.ElementsParser.prototype._createObject = function(klass, el, index) { - if (klass.async) { - klass.fromElement(el, this.createCallback(index, el), this.options); - } else { - var obj = klass.fromElement(el, this.options); - this.resolveGradient(obj, "fill"); - this.resolveGradient(obj, "stroke"); - obj._removeTransformMatrix(); - this.reviver && this.reviver(el, obj); - this.instances[index] = obj; - this.checkIfDone(); - } + klass.fromElement(el, this.createCallback(index, el), this.options); }; fabric.ElementsParser.prototype.createCallback = function(index, el) { @@ -2307,6 +2319,9 @@ fabric.ElementsParser.prototype.createCallback = function(index, el) { _this.resolveGradient(obj, "fill"); _this.resolveGradient(obj, "stroke"); obj._removeTransformMatrix(); + if (obj instanceof fabric.Image) { + obj.parsePreserveAspectRatioAttribute(el); + } _this.reviver && _this.reviver(el, obj); _this.instances[index] = obj; _this.checkIfDone(); @@ -2329,7 +2344,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { this.instances = this.instances.filter(function(el) { return el != null; }); - this.callback(this.instances); + this.callback(this.instances, this.elements); } }; @@ -2685,7 +2700,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this; } }; - fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; + fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/; fabric.Color.reHSLa = /^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; fabric.Color.reHex = /^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i; fabric.Color.colorNameMap = { @@ -3180,6 +3195,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { fabric.StaticCanvas = fabric.util.createClass(fabric.CommonMethods, { initialize: function(el, options) { options || (options = {}); + this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); }, backgroundColor: "", @@ -3373,14 +3389,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this.viewportTransform[0]; }, setViewportTransform: function(vpt) { - var activeGroup = this._activeGroup, object, ingoreVpt = false, skipAbsolute = true; + var activeGroup = this._activeGroup, object, ignoreVpt = false, skipAbsolute = true; this.viewportTransform = vpt; for (var i = 0, len = this._objects.length; i < len; i++) { object = this._objects[i]; - object.group || object.setCoords(ingoreVpt, skipAbsolute); + object.group || object.setCoords(ignoreVpt, skipAbsolute); } if (activeGroup) { - activeGroup.setCoords(ingoreVpt, skipAbsolute); + activeGroup.setCoords(ignoreVpt, skipAbsolute); } this.calcViewportBoundaries(); this.renderAll(); @@ -3456,6 +3472,17 @@ fabric.ElementsParser.prototype.checkIfDone = function() { this.renderCanvas(canvasToDrawOn, this._objects); return this; }, + renderAndReset: function() { + this.renderAll(); + this.isRendering = false; + }, + requestRenderAll: function() { + if (!this.isRendering) { + this.isRendering = true; + fabric.util.requestAnimFrame(this.renderAndResetBound); + } + return this; + }, calcViewportBoundaries: function() { var points = {}, width = this.getWidth(), height = this.getHeight(), iVpt = invertTransform(this.viewportTransform); points.tl = transformPoint({ @@ -3734,7 +3761,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.unshift(object); } - return this.renderAll && this.renderAll(); + this.renderAll && this.renderAll(); + return this; }, bringToFront: function(object) { if (!object) { @@ -3752,7 +3780,8 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.push(object); } - return this.renderAll && this.renderAll(); + this.renderAll && this.renderAll(); + return this; }, sendBackwards: function(object, intersecting) { if (!object) { @@ -4023,7 +4052,7 @@ fabric.BaseBrush = fabric.util.createClass({ ctx.closePath(); var pathData = this.convertPointsToSVGPath(this._points).join(""); if (pathData === "M 0 0 Q 0 0 0 0 L 0 0") { - this.canvas.renderAll(); + this.canvas.requestRenderAll(); return; } var path = this.createPath(pathData); @@ -4031,7 +4060,7 @@ fabric.BaseBrush = fabric.util.createClass({ path.setCoords(); this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); this.canvas.fire("path:created", { path: path }); @@ -4093,7 +4122,7 @@ fabric.CircleBrush = fabric.util.createClass(fabric.BaseBrush, { this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.renderAll(); + this.canvas.requestRenderAll(); }, addPoint: function(pointer) { var pointerPoint = new fabric.Point(pointer.x, pointer.y), circleRadius = fabric.util.getRandomInt(Math.max(0, this.width - 20), this.width + 20) / 2, circleColor = new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0, 100) / 100).toRgba(); @@ -4161,7 +4190,7 @@ fabric.SprayBrush = fabric.util.createClass(fabric.BaseBrush, { this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.renderAll(); + this.canvas.requestRenderAll(); }, _getOptimizedRects: function(rects) { var uniqueRects = {}, key; @@ -4251,6 +4280,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { fabric.Canvas = fabric.util.createClass(fabric.StaticCanvas, { initialize: function(el, options) { options || (options = {}); + this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); this._initInteractive(); this._createCacheCanvas(); @@ -4860,7 +4890,11 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { }, _createUpperCanvas: function() { var lowerCanvasClass = this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/, ""); - this.upperCanvasEl = this._createCanvasElement(); + if (this.upperCanvasEl) { + this.upperCanvasEl.className = ""; + } else { + this.upperCanvasEl = this._createCanvasElement(); + } fabric.util.addClass(this.upperCanvasEl, "upper-canvas " + lowerCanvasClass); this.wrapperEl.appendChild(this.upperCanvasEl); this._copyCanvasStyle(this.lowerCanvasEl, this.upperCanvasEl); @@ -4933,7 +4967,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { object.fire("selected", { e: e }); - this.renderAll(); + this.requestRenderAll(); return this; }, getActiveObject: function() { @@ -5140,9 +5174,11 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { fabric.util.object.extend(fabric.Canvas.prototype, { cursorMap: [ "n-resize", "ne-resize", "e-resize", "se-resize", "s-resize", "sw-resize", "w-resize", "nw-resize" ], _initEventListeners: function() { + this.removeListeners(); this._bindEvents(); addListener(fabric.window, "resize", this._onResize); addListener(this.upperCanvasEl, "mousedown", this._onMouseDown); + addListener(this.upperCanvasEl, "dblclick", this._onDoubleClick); addListener(this.upperCanvasEl, "mousemove", this._onMouseMove); addListener(this.upperCanvasEl, "mouseout", this._onMouseOut); addListener(this.upperCanvasEl, "mouseenter", this._onMouseEnter); @@ -5163,6 +5199,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } }, _bindEvents: function() { + if (this.eventsBinded) { + return; + } this._onMouseDown = this._onMouseDown.bind(this); this._onMouseMove = this._onMouseMove.bind(this); this._onMouseUp = this._onMouseUp.bind(this); @@ -5176,6 +5215,8 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { this._onMouseOut = this._onMouseOut.bind(this); this._onMouseEnter = this._onMouseEnter.bind(this); this._onContextMenu = this._onContextMenu.bind(this); + this._onDoubleClick = this._onDoubleClick.bind(this); + this.eventsBinded = true; }, removeListeners: function() { removeListener(fabric.window, "resize", this._onResize); @@ -5185,6 +5226,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { removeListener(this.upperCanvasEl, "mouseenter", this._onMouseEnter); removeListener(this.upperCanvasEl, "wheel", this._onMouseWheel); removeListener(this.upperCanvasEl, "contextmenu", this._onContextMenu); + removeListener(this.upperCanvasEl, "doubleclick", this._onDoubleClick); removeListener(this.upperCanvasEl, "touchstart", this._onMouseDown); removeListener(this.upperCanvasEl, "touchmove", this._onMouseMove); if (typeof eventjs !== "undefined" && "remove" in eventjs) { @@ -5247,6 +5289,10 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } return false; }, + _onDoubleClick: function(e) { + var target; + this._handleEvent(e, "dblclick", target); + }, _onMouseDown: function(e) { this.__onMouseDown(e); addListener(fabric.document, "touchend", this._onMouseUp, { @@ -5332,7 +5378,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { this._setCursorFromEvent(e, target); this._handleEvent(e, "up", target ? target : null, LEFT_CLICK, isClick); target && (target.__corner = 0); - shouldRender && this.renderAll(); + shouldRender && this.requestRenderAll(); }, _handleEvent: function(e, eventType, targetObj, button, isClick) { var target = typeof targetObj === "undefined" ? this.findTarget(e) : targetObj, targets = this.targets || [], options = { @@ -5375,7 +5421,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { }, _onMouseDownInDrawingMode: function(e) { this._isCurrentlyDrawing = true; - this.discardActiveObject(e).renderAll(); + this.discardActiveObject(e).requestRenderAll(); if (this.clipTo) { fabric.util.clipContext(this, this.contextTop); } @@ -5454,7 +5500,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } } this._handleEvent(e, "down", target ? target : null); - shouldRender && this.renderAll(); + shouldRender && this.requestRenderAll(); }, _beforeTransform: function(e, target) { this.stateful && target.saveState(); @@ -5516,7 +5562,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { transform.altKey = e[this.centeredKey]; this._beforeScaleTransform(e, transform); this._performTransformAction(e, transform, pointer); - transform.actionPerformed && this.renderAll(); + transform.actionPerformed && this.requestRenderAll(); }, _performTransformAction: function(e, transform, pointer) { var x = pointer.x, y = pointer.y, target = transform.target, action = transform.action, actionPerformed = false; @@ -5572,7 +5618,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } }, _setCursorFromEvent: function(e, target) { - if (!target || !target.selectable) { + if (!target) { this.setCursor(this.defaultCursor); return false; } @@ -5683,7 +5729,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { target: group, e: e }); - this.renderAll(); + this.requestRenderAll(); } }, _collectObjects: function() { @@ -5780,23 +5826,29 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { return; } var serialized = typeof json === "string" ? JSON.parse(json) : fabric.util.object.clone(json); - this.clear(); - var _this = this; - this._enlivenObjects(serialized.objects, function() { + var _this = this, renderOnAddRemove = this.renderOnAddRemove; + this.renderOnAddRemove = false; + this._enlivenObjects(serialized.objects, function(enlivenedObjects) { + _this.clear(); _this._setBgOverlay(serialized, function() { + enlivenedObjects.forEach(function(obj, index) { + _this.insertAt(obj, index); + }); + _this.renderOnAddRemove = renderOnAddRemove; delete serialized.objects; delete serialized.backgroundImage; delete serialized.overlayImage; delete serialized.background; delete serialized.overlay; _this._setOptions(serialized); + _this.renderAll(); callback && callback(); }); }, reviver); return this; }, _setBgOverlay: function(serialized, callback) { - var _this = this, loaded = { + var loaded = { backgroundColor: false, overlayColor: false, backgroundImage: false, @@ -5808,7 +5860,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } var cbIfLoaded = function() { if (loaded.backgroundImage && loaded.overlayImage && loaded.backgroundColor && loaded.overlayColor) { - _this.renderAll(); callback && callback(); } }; @@ -5838,19 +5889,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } }, _enlivenObjects: function(objects, callback, reviver) { - var _this = this; if (!objects || objects.length === 0) { - callback && callback(); + callback && callback([]); return; } - var renderOnAddRemove = this.renderOnAddRemove; - this.renderOnAddRemove = false; fabric.util.enlivenObjects(objects, function(enlivenedObjects) { - enlivenedObjects.forEach(function(obj, index) { - _this.insertAt(obj, index); - }); - _this.renderOnAddRemove = renderOnAddRemove; - callback && callback(); + callback && callback(enlivenedObjects); }, null, reviver); }, _toDataURL: function(format, callback) { @@ -5892,7 +5936,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { (function(global) { "use strict"; - var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, clone = fabric.util.object.clone, toFixed = fabric.util.toFixed, capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports("setLineDash"), objectCaching = !fabric.isLikelyNode; + var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, clone = fabric.util.object.clone, toFixed = fabric.util.toFixed, capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports("setLineDash"), objectCaching = !fabric.isLikelyNode, ALIASING_LIMIT = 2; if (fabric.Object) { return; } @@ -5965,17 +6009,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { statefullCache: false, noScaleCache: true, dirty: true, - needsItsOwnCache: false, - stateProperties: ("top left width height scaleX scaleY flipX flipY originX originY transformMatrix " + "stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit " + "angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor " + "skewX skewY").split(" "), - cacheProperties: ("fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray" + " strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor").split(" "), + stateProperties: ("top left width height scaleX scaleY flipX flipY originX originY transformMatrix " + "stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit " + "angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor " + "skewX skewY fillRule").split(" "), + cacheProperties: ("fill stroke strokeWidth strokeDashArray width height" + " strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor").split(" "), initialize: function(options) { options = options || {}; if (options) { this.setOptions(options); } - if (this.objectCaching) { - this._createCacheCanvas(); - } }, _createCacheCanvas: function() { this._cacheProperties = {}; @@ -5983,11 +6023,27 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this._cacheContext = this._cacheCanvas.getContext("2d"); this._updateCacheCanvas(); }, + _limitCacheSize: function(dims) { + var perfLimitSizeTotal = fabric.perfLimitSizeTotal, maximumSide = fabric.cacheSideLimit, width = dims.width, height = dims.height, ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal, maximumSide), capValue = fabric.util.capValue, max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit, x = capValue(min, limitedDims.x, max), y = capValue(min, limitedDims.y, max); + if (width > x) { + dims.zoomX /= width / x; + dims.width = x; + } else if (width < min) { + dims.width = min; + } + if (height > y) { + dims.zoomY /= height / y; + dims.height = y; + } else if (height < min) { + dims.height = min; + } + return dims; + }, _getCacheCanvasDimensions: function() { var zoom = this.canvas && this.canvas.getZoom() || 1, objectScale = this.getObjectScaling(), dim = this._getNonTransformedDimensions(), retina = this.canvas && this.canvas._isRetinaScaling() ? fabric.devicePixelRatio : 1, zoomX = objectScale.scaleX * zoom * retina, zoomY = objectScale.scaleY * zoom * retina, width = dim.x * zoomX, height = dim.y * zoomY; return { - width: width + 2, - height: height + 2, + width: width + ALIASING_LIMIT, + height: height + ALIASING_LIMIT, zoomX: zoomX, zoomY: zoomY }; @@ -5995,18 +6051,33 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { _updateCacheCanvas: function() { if (this.noScaleCache && this.canvas && this.canvas._currentTransform) { var action = this.canvas._currentTransform.action; - if (action.slice(0, 5) === "scale") { + if (action.slice && action.slice(0, 5) === "scale") { return false; } } - var dims = this._getCacheCanvasDimensions(), width = dims.width, height = dims.height, zoomX = dims.zoomX, zoomY = dims.zoomY; - if (width !== this.cacheWidth || height !== this.cacheHeight) { - this._cacheCanvas.width = Math.ceil(width); - this._cacheCanvas.height = Math.ceil(height); - this._cacheContext.translate(width / 2, height / 2); - this._cacheContext.scale(zoomX, zoomY); + var dims = this._limitCacheSize(this._getCacheCanvasDimensions()), minCacheSize = fabric.minCacheSideLimit, width = dims.width, height = dims.height, zoomX = dims.zoomX, zoomY = dims.zoomY, dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight, zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY, shouldRedraw = dimensionsChanged || zoomChanged, additionalWidth = 0, additionalHeight = 0, shouldResizeCanvas = false; + if (dimensionsChanged) { + var canvasWidth = this._cacheCanvas.width, canvasHeight = this._cacheCanvas.height, sizeGrowing = width > canvasWidth || height > canvasHeight, sizeShrinking = (width < canvasWidth * .9 || height < canvasHeight * .9) && canvasWidth > minCacheSize && canvasHeight > minCacheSize; + shouldResizeCanvas = sizeGrowing || sizeShrinking; + if (sizeGrowing) { + additionalWidth = width * .1 & ~1; + additionalHeight = height * .1 & ~1; + } + } + if (shouldRedraw) { + if (shouldResizeCanvas) { + this._cacheCanvas.width = Math.max(Math.ceil(width) + additionalWidth, minCacheSize); + this._cacheCanvas.height = Math.max(Math.ceil(height) + additionalHeight, minCacheSize); + this.cacheTranslationX = (width + additionalWidth) / 2; + this.cacheTranslationY = (height + additionalHeight) / 2; + } else { + this._cacheContext.setTransform(1, 0, 0, 1, 0, 0); + this._cacheContext.clearRect(0, 0, this._cacheCanvas.width, this._cacheCanvas.height); + } this.cacheWidth = width; this.cacheHeight = height; + this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY); + this._cacheContext.scale(zoomX, zoomY); this.zoomX = zoomX; this.zoomY = zoomY; return true; @@ -6131,7 +6202,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } this.dirty = true; } - if (this.group && this.stateProperties.indexOf(key) > -1) { + if (this.group && this.stateProperties.indexOf(key) > -1 && this.group.isOnACache()) { this.group.set("dirty", true); } if (key === "width" || key === "height") { @@ -6146,8 +6217,11 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } return fabric.iMatrix.concat(); }, + isNotVisible: function() { + return this.opacity === 0 || this.width === 0 && this.height === 0 || !this.visible; + }, render: function(ctx) { - if (this.width === 0 && this.height === 0 || !this.visible) { + if (this.isNotVisible()) { return; } if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) { @@ -6176,6 +6250,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } this.drawCacheOnCanvas(ctx); } else { + this.dirty = false; this.drawObject(ctx); if (this.objectCaching && this.statefullCache) { this.saveState({ @@ -6186,11 +6261,15 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this.clipTo && ctx.restore(); ctx.restore(); }, + needsItsOwnCache: function() { + return false; + }, shouldCache: function() { - return this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); + this.ownCaching = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); + return this.ownCaching; }, willDrawShadow: function() { - return !!this.shadow; + return !!this.shadow && (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0); }, drawObject: function(ctx) { this._renderBackground(ctx); @@ -6200,14 +6279,17 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { }, drawCacheOnCanvas: function(ctx) { ctx.scale(1 / this.zoomX, 1 / this.zoomY); - ctx.drawImage(this._cacheCanvas, -this.cacheWidth / 2, -this.cacheHeight / 2); + ctx.drawImage(this._cacheCanvas, -this.cacheTranslationX, -this.cacheTranslationY); }, isCacheDirty: function(skipCanvas) { - if (!skipCanvas && this._updateCacheCanvas()) { + if (this.isNotVisible()) { + return false; + } + if (this._cacheCanvas && !skipCanvas && this._updateCacheCanvas()) { return true; } else { if (this.dirty || this.statefullCache && this.hasStateChanged("cacheProperties")) { - if (!skipCanvas) { + if (this._cacheCanvas && !skipCanvas) { var width = this.cacheWidth / this.zoomX; var height = this.cacheHeight / this.zoomY; this._cacheContext.clearRect(-width / 2, -height / 2, width, height); @@ -6261,8 +6343,10 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } }, _renderControls: function(ctx, styleOverride) { - var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), options; + var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), options, drawBorders, drawControls; styleOverride = styleOverride || {}; + drawBorders = typeof styleOverride.hasBorders !== "undefined" ? styleOverride.hasBorders : this.hasBorders; + drawControls = typeof styleOverride.hasControls !== "undefined" ? styleOverride.hasControls : this.hasControls; matrix = fabric.util.multiplyTransformMatrices(vpt, matrix); options = fabric.util.qrDecompose(matrix); ctx.save(); @@ -6273,12 +6357,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } if (this.group && this.group === this.canvas.getActiveGroup()) { ctx.rotate(degreesToRadians(options.angle)); - (this.hasBorders || styleOverride.hasBorders) && this.drawBordersInGroup(ctx, options, styleOverride); + drawBorders && this.drawBordersInGroup(ctx, options, styleOverride); } else { ctx.rotate(degreesToRadians(this.angle)); - (this.hasBorders || styleOverride.hasBorders) && this.drawBorders(ctx, styleOverride); + drawBorders && this.drawBorders(ctx, styleOverride); } - (this.hasControls || styleOverride.hasControls) && this.drawControls(ctx, styleOverride); + drawControls && this.drawControls(ctx, styleOverride); ctx.restore(); }, _setShadow: function(ctx) { @@ -6362,10 +6446,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this.setPositionByOrigin(center, "center", "center"); }, clone: function(callback, propertiesToInclude) { + var objectForm = this.toObject(propertiesToInclude); if (this.constructor.fromObject) { - return this.constructor.fromObject(this.toObject(propertiesToInclude), callback); + this.constructor.fromObject(objectForm, callback); + } else { + fabric.Object._fromObject("Object", objectForm, callback); } - return new fabric.Object(this.toObject(propertiesToInclude)); }, cloneAsImage: function(callback, options) { var dataUrl = this.toDataURL(options); @@ -6506,25 +6592,19 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { fabric.Object.prototype.rotate = fabric.Object.prototype.setAngle; extend(fabric.Object.prototype, fabric.Observable); fabric.Object.NUM_FRACTION_DIGITS = 2; - fabric.Object._fromObject = function(className, object, callback, forceAsync, extraParam) { + fabric.Object._fromObject = function(className, object, callback, extraParam) { var klass = fabric[className]; object = clone(object, true); - if (forceAsync) { - fabric.util.enlivenPatterns([ object.fill, object.stroke ], function(patterns) { - if (typeof patterns[0] !== "undefined") { - object.fill = patterns[0]; - } - if (typeof patterns[1] !== "undefined") { - object.stroke = patterns[1]; - } - var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); - callback && callback(instance); - }); - } else { + fabric.util.enlivenPatterns([ object.fill, object.stroke ], function(patterns) { + if (typeof patterns[0] !== "undefined") { + object.fill = patterns[0]; + } + if (typeof patterns[1] !== "undefined") { + object.stroke = patterns[1]; + } var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); callback && callback(instance); - return instance; - } + }); }; fabric.Object.__uid = 0; })(typeof exports !== "undefined" ? exports : this); @@ -7020,40 +7100,40 @@ fabric.util.object.extend(fabric.Object.prototype, { extend(origin[destination], tmpObj, deep); } function _isEqual(origValue, currentValue, firstPass) { - if (!fabric.isLikelyNode && origValue instanceof Element) { - return origValue === currentValue; - } else if (origValue instanceof Array) { + if (origValue === currentValue) { + return true; + } else if (Array.isArray(origValue)) { if (origValue.length !== currentValue.length) { return false; } for (var i = 0, len = origValue.length; i < len; i++) { - if (origValue[i] !== currentValue[i]) { + if (!_isEqual(origValue[i], currentValue[i])) { return false; } } return true; } else if (origValue && typeof origValue === "object") { - if (!firstPass && Object.keys(origValue).length !== Object.keys(currentValue).length) { + var keys = Object.keys(origValue), key; + if (!firstPass && keys.length !== Object.keys(currentValue).length) { return false; } - for (var key in origValue) { + for (var i = 0, len = keys.length; i < len; i++) { + key = keys[i]; if (!_isEqual(origValue[key], currentValue[key])) { return false; } } return true; - } else { - return origValue === currentValue; } } fabric.util.object.extend(fabric.Object.prototype, { hasStateChanged: function(propertySet) { propertySet = propertySet || originalSet; - propertySet = "_" + propertySet; - if (!Object.keys(this[propertySet]).length) { + var dashedPropertySet = "_" + propertySet; + if (Object.keys(this[dashedPropertySet]).length < this[propertySet].length) { return true; } - return !_isEqual(this[propertySet], this, true); + return !_isEqual(this[dashedPropertySet], this, true); }, saveState: function(options) { var propertySet = options && options.propertySet || originalSet, destination = "_" + propertySet; @@ -7148,66 +7228,66 @@ fabric.util.object.extend(fabric.Object.prototype, { ctx.restore(); return this; }, - drawBorders: function(ctx, bordersStyle) { - bordersStyle = bordersStyle || {}; - var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth; + drawBorders: function(ctx, styleOverride) { + styleOverride = styleOverride || {}; + var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth, drawRotatingPoint = typeof styleOverride.hasRotatingPoint !== "undefined" ? styleOverride.hasRotatingPoint : this.hasRotatingPoint, hasControls = typeof styleOverride.hasControls !== "undefined" ? styleOverride.hasControls : this.hasControls, rotatingPointOffset = typeof styleOverride.rotatingPointOffset !== "undefined" ? styleOverride.rotatingPointOffset : this.rotatingPointOffset; ctx.save(); - ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; - this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = styleOverride.borderColor || this.borderColor; + this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); ctx.strokeRect(-width / 2, -height / 2, width, height); - if (bordersStyle.hasRotatingPoint || this.hasRotatingPoint && this.isControlVisible("mtr") && !this.get("lockRotation") && this.hasControls) { + if (drawRotatingPoint && this.isControlVisible("mtr") && !this.get("lockRotation") && hasControls) { var rotateHeight = -height / 2; ctx.beginPath(); ctx.moveTo(0, rotateHeight); - ctx.lineTo(0, rotateHeight - this.rotatingPointOffset); + ctx.lineTo(0, rotateHeight - rotatingPointOffset); ctx.closePath(); ctx.stroke(); } ctx.restore(); return this; }, - drawBordersInGroup: function(ctx, options, bordersStyle) { - bordersStyle = bordersStyle || {}; + drawBordersInGroup: function(ctx, options, styleOverride) { + styleOverride = styleOverride || {}; var p = this._getNonTransformedDimensions(), matrix = fabric.util.customTransformMatrix(options.scaleX, options.scaleY, options.skewX), wh = fabric.util.transformPoint(p, matrix), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth; ctx.save(); - this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); - ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; + this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = styleOverride.borderColor || this.borderColor; ctx.strokeRect(-width / 2, -height / 2, width, height); ctx.restore(); return this; }, - drawControls: function(ctx, controlsStyle) { - controlsStyle = controlsStyle || {}; - var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, scaleOffset = controlsStyle.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, methodName = controlsStyle.transparentCorners || this.transparentCorners ? "stroke" : "fill"; + drawControls: function(ctx, styleOverride) { + styleOverride = styleOverride || {}; + var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, scaleOffset = styleOverride.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, transparentCorners = typeof styleOverride.transparentCorners !== "undefined" ? styleOverride.transparentCorners : this.transparentCorners, hasRotatingPoint = typeof styleOverride.hasRotatingPoint !== "undefined" ? styleOverride.hasRotatingPoint : this.hasRotatingPoint, methodName = transparentCorners ? "stroke" : "fill"; ctx.save(); - ctx.strokeStyle = ctx.fillStyle = controlsStyle.cornerColor || this.cornerColor; + ctx.strokeStyle = ctx.fillStyle = styleOverride.cornerColor || this.cornerColor; if (!this.transparentCorners) { - ctx.strokeStyle = controlsStyle.cornerStrokeColor || this.cornerStrokeColor; + ctx.strokeStyle = styleOverride.cornerStrokeColor || this.cornerStrokeColor; } - this._setLineDash(ctx, controlsStyle.cornerDashArray || this.cornerDashArray, null); - this._drawControl("tl", ctx, methodName, left, top, controlsStyle); - this._drawControl("tr", ctx, methodName, left + width, top, controlsStyle); - this._drawControl("bl", ctx, methodName, left, top + height, controlsStyle); - this._drawControl("br", ctx, methodName, left + width, top + height, controlsStyle); + this._setLineDash(ctx, styleOverride.cornerDashArray || this.cornerDashArray, null); + this._drawControl("tl", ctx, methodName, left, top, styleOverride); + this._drawControl("tr", ctx, methodName, left + width, top, styleOverride); + this._drawControl("bl", ctx, methodName, left, top + height, styleOverride); + this._drawControl("br", ctx, methodName, left + width, top + height, styleOverride); if (!this.get("lockUniScaling")) { - this._drawControl("mt", ctx, methodName, left + width / 2, top, controlsStyle); - this._drawControl("mb", ctx, methodName, left + width / 2, top + height, controlsStyle); - this._drawControl("mr", ctx, methodName, left + width, top + height / 2, controlsStyle); - this._drawControl("ml", ctx, methodName, left, top + height / 2, controlsStyle); + this._drawControl("mt", ctx, methodName, left + width / 2, top, styleOverride); + this._drawControl("mb", ctx, methodName, left + width / 2, top + height, styleOverride); + this._drawControl("mr", ctx, methodName, left + width, top + height / 2, styleOverride); + this._drawControl("ml", ctx, methodName, left, top + height / 2, styleOverride); } - if (controlsStyle.hasRotatingPoint || this.hasRotatingPoint) { - this._drawControl("mtr", ctx, methodName, left + width / 2, top - this.rotatingPointOffset, controlsStyle); + if (hasRotatingPoint) { + this._drawControl("mtr", ctx, methodName, left + width / 2, top - this.rotatingPointOffset, styleOverride); } ctx.restore(); return this; }, - _drawControl: function(control, ctx, methodName, left, top, controlStyle) { - controlStyle = controlStyle || {}; + _drawControl: function(control, ctx, methodName, left, top, styleOverride) { + styleOverride = styleOverride || {}; if (!this.isControlVisible(control)) { return; } var size = this.cornerSize, stroke = !this.transparentCorners && this.cornerStrokeColor; - switch (controlStyle.cornerStyle || this.cornerStyle) { + switch (styleOverride.cornerStyle || this.cornerStyle) { case "circle": ctx.beginPath(); ctx.arc(left + size / 2, top + size / 2, size / 2, 0, 2 * Math.PI, false); @@ -7269,7 +7349,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { duration: this.FX_DURATION, onChange: function(value) { object.set("left", value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function() { @@ -7288,7 +7368,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { duration: this.FX_DURATION, onChange: function(value) { object.set("top", value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function() { @@ -7310,7 +7390,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { }, onChange: function(value) { object.set("opacity", value); - _this.renderAll(); + _this.requestRenderAll(); onChange(); }, onComplete: function() { @@ -7512,25 +7592,21 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Line.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")); - fabric.Line.fromElement = function(element, options) { + fabric.Line.fromElement = function(element, callback, options) { options = options || {}; var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES), points = [ parsedAttributes.x1 || 0, parsedAttributes.y1 || 0, parsedAttributes.x2 || 0, parsedAttributes.y2 || 0 ]; options.originX = "left"; options.originY = "top"; - return new fabric.Line(points, extend(parsedAttributes, options)); + callback(new fabric.Line(points, extend(parsedAttributes, options))); }; - fabric.Line.fromObject = function(object, callback, forceAsync) { + fabric.Line.fromObject = function(object, callback) { function _callback(instance) { delete instance.points; callback && callback(instance); } var options = clone(object, true); options.points = [ object.x1, object.y1, object.x2, object.y2 ]; - var line = fabric.Object._fromObject("Line", options, _callback, forceAsync, "points"); - if (line) { - delete line.points; - } - return line; + fabric.Object._fromObject("Line", options, _callback, "points"); }; function makeEdgeToOriginGetter(propertyNames, originValues) { var origin = propertyNames.origin, axis1 = propertyNames.axis1, axis2 = propertyNames.axis2, dimension = propertyNames.dimension, nearest = originValues.nearest, center = originValues.center, farthest = originValues.farthest; @@ -7606,7 +7682,7 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Circle.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")); - fabric.Circle.fromElement = function(element, options) { + fabric.Circle.fromElement = function(element, callback, options) { options || (options = {}); var parsedAttributes = fabric.parseAttributes(element, fabric.Circle.ATTRIBUTE_NAMES); if (!isValidRadius(parsedAttributes)) { @@ -7616,13 +7692,13 @@ fabric.util.object.extend(fabric.Object.prototype, { parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius; parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - return new fabric.Circle(extend(parsedAttributes, options)); + callback(new fabric.Circle(extend(parsedAttributes, options))); }; function isValidRadius(attributes) { return "radius" in attributes && attributes.radius >= 0; } - fabric.Circle.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Circle", object, callback, forceAsync); + fabric.Circle.fromObject = function(object, callback) { + return fabric.Object._fromObject("Circle", object, callback); }; })(typeof exports !== "undefined" ? exports : this); @@ -7663,8 +7739,8 @@ fabric.util.object.extend(fabric.Object.prototype, { return reviver ? reviver(markup.join("")) : markup.join(""); } }); - fabric.Triangle.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Triangle", object, callback, forceAsync); + fabric.Triangle.fromObject = function(object, callback) { + return fabric.Object._fromObject("Triangle", object, callback); }; })(typeof exports !== "undefined" ? exports : this); @@ -7727,17 +7803,17 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Ellipse.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")); - fabric.Ellipse.fromElement = function(element, options) { + fabric.Ellipse.fromElement = function(element, callback, options) { options || (options = {}); var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES); parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.rx; parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry; parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - return new fabric.Ellipse(extend(parsedAttributes, options)); + callback(new fabric.Ellipse(extend(parsedAttributes, options))); }; - fabric.Ellipse.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Ellipse", object, callback, forceAsync); + fabric.Ellipse.fromObject = function(object, callback) { + return fabric.Object._fromObject("Ellipse", object, callback); }; })(typeof exports !== "undefined" ? exports : this); @@ -7808,9 +7884,9 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Rect.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")); - fabric.Rect.fromElement = function(element, options) { + fabric.Rect.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options = options || {}; var parsedAttributes = fabric.parseAttributes(element, fabric.Rect.ATTRIBUTE_NAMES); @@ -7820,10 +7896,10 @@ fabric.util.object.extend(fabric.Object.prototype, { parsedAttributes.originY = "top"; var rect = new fabric.Rect(extend(options ? fabric.util.object.clone(options) : {}, parsedAttributes)); rect.visible = rect.visible && rect.width > 0 && rect.height > 0; - return rect; + callback(rect); }; - fabric.Rect.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Rect", object, callback, forceAsync); + fabric.Rect.fromObject = function(object, callback) { + return fabric.Object._fromObject("Rect", object, callback); }; })(typeof exports !== "undefined" ? exports : this); @@ -7912,16 +7988,16 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Polyline.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(); - fabric.Polyline.fromElement = function(element, options) { + fabric.Polyline.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options || (options = {}); var points = fabric.parsePointsAttribute(element.getAttribute("points")), parsedAttributes = fabric.parseAttributes(element, fabric.Polyline.ATTRIBUTE_NAMES); - return new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options)); + callback(new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options))); }; - fabric.Polyline.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Polyline", object, callback, forceAsync, "points"); + fabric.Polyline.fromObject = function(object, callback) { + return fabric.Object._fromObject("Polyline", object, callback, "points"); }; })(typeof exports !== "undefined" ? exports : this); @@ -7948,16 +8024,16 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Polygon.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(); - fabric.Polygon.fromElement = function(element, options) { + fabric.Polygon.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } options || (options = {}); var points = fabric.parsePointsAttribute(element.getAttribute("points")), parsedAttributes = fabric.parseAttributes(element, fabric.Polygon.ATTRIBUTE_NAMES); - return new fabric.Polygon(points, extend(parsedAttributes, options)); + callback(new fabric.Polygon(points, extend(parsedAttributes, options))); }; - fabric.Polygon.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Polygon", object, callback, forceAsync, "points"); + fabric.Polygon.fromObject = function(object, callback) { + return fabric.Object._fromObject("Polygon", object, callback, "points"); }; })(typeof exports !== "undefined" ? exports : this); @@ -7981,19 +8057,20 @@ fabric.util.object.extend(fabric.Object.prototype, { fabric.warn("fabric.Path is already defined"); return; } + var stateProperties = fabric.Object.prototype.stateProperties.concat(); + stateProperties.push("path"); var cacheProperties = fabric.Object.prototype.cacheProperties.concat(); - cacheProperties.push("path"); + cacheProperties.push("path", "fillRule"); fabric.Path = fabric.util.createClass(fabric.Object, { type: "path", path: null, minX: 0, minY: 0, cacheProperties: cacheProperties, + stateProperties: stateProperties, initialize: function(path, options) { options = options || {}; - if (options) { - this.setOptions(options); - } + this.callSuper("initialize", options); if (!path) { path = []; } @@ -8006,9 +8083,6 @@ fabric.util.object.extend(fabric.Object.prototype, { this.path = this._parsePath(); } this._setPositionDimensions(options); - if (this.objectCaching) { - this._createCacheCanvas(); - } }, _setPositionDimensions: function(options) { var calcDim = this._parseDimensions(); @@ -8460,17 +8534,27 @@ fabric.util.object.extend(fabric.Object.prototype, { return o; } }); - fabric.Path.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Path", object, callback, forceAsync, "path"); + fabric.Path.fromObject = function(object, callback) { + if (typeof object.path === "string") { + var pathUrl = object.path; + fabric.loadSVGFromURL(pathUrl, function(elements) { + var path = elements[0]; + delete object.path; + path.setOptions(object); + path.setSourcePath(pathUrl); + callback && callback(path); + }); + } else { + fabric.Object._fromObject("Path", object, callback, "path"); + } }; fabric.Path.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat([ "d" ]); fabric.Path.fromElement = function(element, callback, options) { var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES); parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - callback && callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); + callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); }; - fabric.Path.async = true; })(typeof exports !== "undefined" ? exports : this); (function(global) { @@ -8491,6 +8575,7 @@ fabric.util.object.extend(fabric.Object.prototype, { type: "group", strokeWidth: 0, subTargetCheck: false, + cacheProperties: [], initialize: function(objects, options, isAlreadyGrouped) { options = options || {}; this._objects = []; @@ -8641,21 +8726,21 @@ fabric.util.object.extend(fabric.Object.prototype, { this._transformDone = false; }, shouldCache: function() { - var parentCache = this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); - this.caching = parentCache; - if (parentCache) { + var ownCache = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); + this.ownCaching = ownCache; + if (ownCache) { for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { - this.caching = false; + this.ownCaching = false; return false; } } } - return parentCache; + return ownCache; }, willDrawShadow: function() { if (this.shadow) { - return true; + return this.callSuper("willDrawShadow"); } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { @@ -8664,8 +8749,8 @@ fabric.util.object.extend(fabric.Object.prototype, { } return false; }, - isCaching: function() { - return this.caching || this.group && this.group.isCaching(); + isOnACache: function() { + return this.ownCaching || this.group && this.group.isOnACache(); }, drawObject: function(ctx) { for (var i = 0, len = this._objects.length; i < len; i++) { @@ -8681,8 +8766,10 @@ fabric.util.object.extend(fabric.Object.prototype, { } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].isCacheDirty(true)) { - var dim = this._getNonTransformedDimensions(); - this._cacheContext.clearRect(-dim.x / 2, -dim.y / 2, dim.x, dim.y); + if (this._cacheCanvas) { + var x = this.cacheWidth / this.zoomX, y = this.cacheHeight / this.zoomY; + this._cacheContext.clearRect(-x / 2, -y / 2, x, y); + } return true; } } @@ -8700,9 +8787,6 @@ fabric.util.object.extend(fabric.Object.prototype, { ctx.restore(); }, _renderObject: function(object, ctx) { - if (!object.visible) { - return; - } var originalHasRotatingPoint = object.hasRotatingPoint; object.hasRotatingPoint = false; object.render(ctx); @@ -8814,7 +8898,6 @@ fabric.util.object.extend(fabric.Object.prototype, { callback && callback(new fabric.Group(enlivenedObjects, object, true)); }); }; - fabric.Group.async = true; })(typeof exports !== "undefined" ? exports : this); (function(global) { @@ -8828,13 +8911,10 @@ fabric.util.object.extend(fabric.Object.prototype, { return; } var stateProperties = fabric.Object.prototype.stateProperties.concat(); - stateProperties.push("alignX", "alignY", "meetOrSlice"); + stateProperties.push("cropX", "cropY"); fabric.Image = fabric.util.createClass(fabric.Object, { type: "image", crossOrigin: "", - alignX: "none", - alignY: "none", - meetOrSlice: "meet", strokeWidth: 0, _lastScaleX: 1, _lastScaleY: 1, @@ -8844,6 +8924,8 @@ fabric.util.object.extend(fabric.Object.prototype, { stateProperties: stateProperties, objectCaching: false, cacheKey: "", + cropX: 0, + cropY: 0, initialize: function(element, options) { options || (options = {}); this.filters = []; @@ -8910,7 +8992,7 @@ fabric.util.object.extend(fabric.Object.prototype, { filters.push(filterObj.toObject()); } }); - var object = extend(this.callSuper("toObject", [ "crossOrigin", "alignX", "alignY", "meetOrSlice" ].concat(propertiesToInclude)), { + var object = extend(this.callSuper("toObject", [ "crossOrigin", "cropX", "cropY" ].concat(propertiesToInclude)), { src: this.getSrc(), filters: filters }); @@ -8922,11 +9004,8 @@ fabric.util.object.extend(fabric.Object.prototype, { return object; }, toSVG: function(reviver) { - var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, preserveAspectRatio = "none", filtered = true; - if (this.alignX !== "none" && this.alignY !== "none") { - preserveAspectRatio = "x" + this.alignX + "Y" + this.alignY + " " + this.meetOrSlice; - } - markup.push('\n', "\n"); + var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, filtered = true; + markup.push('\n', "\n"); if (this.stroke || this.strokeDashArray) { var origFill = this.fill; this.fill = null; @@ -9026,52 +9105,20 @@ fabric.util.object.extend(fabric.Object.prototype, { return this; }, _render: function(ctx) { - var x = -this.width / 2, y = -this.height / 2, imageMargins = this._findMargins(), elementToDraw; - if (this.meetOrSlice === "slice") { - ctx.beginPath(); - ctx.rect(x, y, this.width, this.height); - ctx.clip(); - } + var x = -this.width / 2, y = -this.height / 2, elementToDraw; if (this.isMoving === false && this.resizeFilter && this._needsResize()) { this._lastScaleX = this.scaleX; this._lastScaleY = this.scaleY; this.applyResizeFilters(); } elementToDraw = this._element; - elementToDraw && ctx.drawImage(elementToDraw, x + imageMargins.marginX, y + imageMargins.marginY, imageMargins.width, imageMargins.height); + elementToDraw && ctx.drawImage(elementToDraw, this.cropX, this.cropY, this.width, this.height, x, y, this.width, this.height); this._stroke(ctx); this._renderStroke(ctx); }, _needsResize: function() { return this.scaleX !== this._lastScaleX || this.scaleY !== this._lastScaleY; }, - _findMargins: function() { - var width = this.width, height = this.height, scales, scale, marginX = 0, marginY = 0; - if (this.alignX !== "none" || this.alignY !== "none") { - scales = [ this.width / this._element.width, this.height / this._element.height ]; - scale = this.meetOrSlice === "meet" ? Math.min.apply(null, scales) : Math.max.apply(null, scales); - width = this._element.width * scale; - height = this._element.height * scale; - if (this.alignX === "Mid") { - marginX = (this.width - width) / 2; - } - if (this.alignX === "Max") { - marginX = this.width - width; - } - if (this.alignY === "Mid") { - marginY = (this.height - height) / 2; - } - if (this.alignY === "Max") { - marginY = this.height - height; - } - } - return { - width: width, - height: height, - marginX: marginX, - marginY: marginY - }; - }, _resetWidthHeight: function() { var element = this.getElement(); this.set("width", element.width); @@ -9101,6 +9148,54 @@ fabric.util.object.extend(fabric.Object.prototype, { _setWidthHeight: function(options) { this.width = "width" in options ? options.width : this.getElement() ? this.getElement().width || 0 : 0; this.height = "height" in options ? options.height : this.getElement() ? this.getElement().height || 0 : 0; + }, + parsePreserveAspectRatioAttribute: function() { + if (!this.preserveAspectRatio) { + return; + } + var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio), width = this._element.width, height = this._element.height, scale, pWidth = this.width, pHeight = this.height, parsedAttributes = { + width: pWidth, + height: pHeight + }; + if (pAR && (pAR.alignX !== "none" || pAR.alignY !== "none")) { + if (pAR.meetOrSlice === "meet") { + this.width = width; + this.height = height; + this.scaleX = this.scaleY = scale = fabric.util.findScaleToFit(this._element, parsedAttributes); + if (pAR.alignX === "Mid") { + this.left += (pWidth - width * scale) / 2; + } + if (pAR.alignX === "Max") { + this.left += pWidth - width * scale; + } + if (pAR.alignY === "Mid") { + this.top += (pHeight - height * scale) / 2; + } + if (pAR.alignY === "Max") { + this.top += pHeight - height * scale; + } + } + if (pAR.meetOrSlice === "slice") { + this.scaleX = this.scaleY = scale = fabric.util.findScaleToCover(this._element, parsedAttributes); + this.width = pWidth / scale; + this.height = pHeight / scale; + if (pAR.alignX === "Mid") { + this.cropX = (width - this.width) / 2; + } + if (pAR.alignX === "Max") { + this.cropX = width - this.width; + } + if (pAR.alignY === "Mid") { + this.cropY = (height - this.height) / 2; + } + if (pAR.alignY === "Max") { + this.cropY = height - this.height; + } + } + } else { + this.scaleX = pWidth / width; + this.scaleY = pHeight / height; + } } }); fabric.Image.CSS_CANVAS = "canvas-img"; @@ -9128,15 +9223,9 @@ fabric.util.object.extend(fabric.Object.prototype, { }; fabric.Image.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")); fabric.Image.fromElement = function(element, callback, options) { - var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES), preserveAR; - if (parsedAttributes.preserveAspectRatio) { - preserveAR = fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio); - extend(parsedAttributes, preserveAR); - } + var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES); fabric.Image.fromURL(parsedAttributes["xlink:href"], callback, extend(options ? fabric.util.object.clone(options) : {}, parsedAttributes)); }; - fabric.Image.async = true; - fabric.Image.pngCompression = 1; })(typeof exports !== "undefined" ? exports : this); fabric.util.object.extend(fabric.Object.prototype, { @@ -9467,8 +9556,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ } var attributeLocations = this.getAttributeLocations(gl, program); var uniformLocations = this.getUniformLocations(gl, program) || {}; - uniformLocations.uWidth = gl.getUniformLocation(program, "uWidth"); - uniformLocations.uHeight = gl.getUniformLocation(program, "uHeight"); + uniformLocations.uStepW = gl.getUniformLocation(program, "uStepW"); + uniformLocations.uStepH = gl.getUniformLocation(program, "uStepH"); return { program: program, attributeLocations: attributeLocations, @@ -9837,7 +9926,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, filters = fabric.Image.filters, createClass = fabric.util.createClass; filters.Noise = createClass(filters.BaseFilter, { type: "Noise", - fragmentSource: "precision highp float;\n" + "uniform sampler2D uTexture;\n" + "uniform float uHeight;\n" + "uniform float uNoise;\n" + "uniform float uSeed;\n" + "varying vec2 vTexCoord;\n" + "float rand(vec2 co, float seed, float vScale) {\n" + "return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n" + "}\n" + "void main() {\n" + "vec4 color = texture2D(uTexture, vTexCoord);\n" + "color.rgb += (0.5 - rand(vTexCoord, uSeed, uHeight / 10.0)) * uNoise;\n" + "gl_FragColor = color;\n" + "}", + fragmentSource: "precision highp float;\n" + "uniform sampler2D uTexture;\n" + "uniform float uStepH;\n" + "uniform float uNoise;\n" + "uniform float uSeed;\n" + "varying vec2 vTexCoord;\n" + "float rand(vec2 co, float seed, float vScale) {\n" + "return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n" + "}\n" + "void main() {\n" + "vec4 color = texture2D(uTexture, vTexCoord);\n" + "color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\n" + "gl_FragColor = color;\n" + "}", mainParameter: "noise", noise: 0, applyTo2d: function(options) { @@ -9908,8 +9997,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { getUniformLocations: function(gl, program) { return { uBlocksize: gl.getUniformLocation(program, "uBlocksize"), - uWidth: gl.getUniformLocation(program, "uWidth"), - uHeight: gl.getUniformLocation(program, "uHeight") + uStepW: gl.getUniformLocation(program, "uStepW"), + uStepH: gl.getUniformLocation(program, "uStepH") }; }, sendUniformData: function(gl, uniformLocations) { @@ -10099,6 +10188,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }, toObject: function() { return { + type: this.type, color: this.color, mode: this.mode, alpha: this.alpha @@ -11156,9 +11246,9 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); fabric.Text.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")); fabric.Text.DEFAULT_SVG_FONT_SIZE = 16; - fabric.Text.fromElement = function(element, options) { + fabric.Text.fromElement = function(element, callback, options) { if (!element) { - return null; + return callback(null); } var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES); options = fabric.util.object.extend(options ? clone(options) : {}, parsedAttributes); @@ -11213,10 +11303,10 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); text.originX = "left"; text.originY = "top"; - return text; + callback(text); }; - fabric.Text.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Text", object, callback, forceAsync, "text"); + fabric.Text.fromObject = function(object, callback) { + return fabric.Object._fromObject("Text", object, callback, "text"); }; fabric.util.createAccessors(fabric.Text); })(typeof exports !== "undefined" ? exports : this); @@ -11298,7 +11388,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { return this; }, initDimensions: function() { - this.abortCursorAnimation(); + this.isEditing && this.initDelayedCursor(); this.clearContextTop(); this.callSuper("initDimensions"); }, @@ -11458,7 +11548,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }; } }); - fabric.IText.fromObject = function(object, callback, forceAsync) { + fabric.IText.fromObject = function(object, callback) { parseDecoration(object); if (object.styles) { for (var i in object.styles) { @@ -11467,7 +11557,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } } } - return fabric.Object._fromObject("IText", object, callback, forceAsync, "text"); + fabric.Object._fromObject("IText", object, callback, "text"); }; })(); @@ -11690,7 +11780,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { target: this }); this.initMouseMoveHandler(); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); return this; }, exitEditingOnOthers: function(canvas) { @@ -12083,9 +12173,6 @@ fabric.util.object.extend(fabric.IText.prototype, { if (this.isTripleClick(newPointer, options.e)) { this.fire("tripleclick", options); this._stopEvent(options.e); - } else if (this.isDoubleClick(newPointer)) { - this.fire("dblclick", options); - this._stopEvent(options.e); } this.__lastLastClickTime = this.__lastClickTime; this.__lastClickTime = this.__newClickTime; @@ -12093,9 +12180,6 @@ fabric.util.object.extend(fabric.IText.prototype, { this.__lastIsEditing = this.isEditing; this.__lastSelected = this.selected; }, - isDoubleClick: function(newPointer) { - return this.__newClickTime - this.__lastClickTime < 500 && this.__lastPointer.x === newPointer.x && this.__lastPointer.y === newPointer.y && this.__lastIsEditing; - }, isTripleClick: function(newPointer) { return this.__newClickTime - this.__lastClickTime < 500 && this.__lastClickTime - this.__lastLastClickTime < 500 && this.__lastPointer.x === newPointer.x && this.__lastPointer.y === newPointer.y; }, @@ -12109,7 +12193,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.initClicks(); }, initClicks: function() { - this.on("dblclick", function(options) { + this.on("mousedblclick", function(options) { this.selectWord(this.getSelectionStartFromPointer(options.e)); }); this.on("tripleclick", function(options) { @@ -12217,6 +12301,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.hiddenTextarea.setAttribute("autocorrect", "off"); this.hiddenTextarea.setAttribute("autocomplete", "off"); this.hiddenTextarea.setAttribute("spellcheck", "false"); + this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea", ""); var style = this._calcTextareaPosition(); this.hiddenTextarea.style.cssText = "white-space: nowrap; position: absolute; top: " + style.top + "; left: " + style.left + "; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px;" + " line-height: 1px; paddingｰtop: " + style.fontSize + ";"; fabric.document.body.appendChild(this.hiddenTextarea); @@ -12234,7 +12319,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this._clickHandlerInitialized = true; } }, - _keysMap: { + keysMap: { 9: "exitEditing", 27: "exitEditing", 33: "moveCursorUp", @@ -12246,11 +12331,11 @@ fabric.util.object.extend(fabric.IText.prototype, { 39: "moveCursorRight", 40: "moveCursorDown" }, - _ctrlKeysMapUp: { + ctrlKeysMapUp: { 67: "copy", 88: "cut" }, - _ctrlKeysMapDown: { + ctrlKeysMapDown: { 65: "selectAll" }, onClick: function() { @@ -12260,10 +12345,10 @@ fabric.util.object.extend(fabric.IText.prototype, { if (!this.isEditing || this.inCompositionMode) { return; } - if (e.keyCode in this._keysMap) { - this[this._keysMap[e.keyCode]](e); - } else if (e.keyCode in this._ctrlKeysMapDown && (e.ctrlKey || e.metaKey)) { - this[this._ctrlKeysMapDown[e.keyCode]](e); + if (e.keyCode in this.keysMap) { + this[this.keysMap[e.keyCode]](e); + } else if (e.keyCode in this.ctrlKeysMapDown && (e.ctrlKey || e.metaKey)) { + this[this.ctrlKeysMapDown[e.keyCode]](e); } else { return; } @@ -12273,7 +12358,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.clearContextTop(); this.renderCursorOrSelection(); } else { - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); } }, onKeyUp: function(e) { @@ -12281,14 +12366,14 @@ fabric.util.object.extend(fabric.IText.prototype, { this._copyDone = false; return; } - if (e.keyCode in this._ctrlKeysMapUp && (e.ctrlKey || e.metaKey)) { - this[this._ctrlKeysMapUp[e.keyCode]](e); + if (e.keyCode in this.ctrlKeysMapUp && (e.ctrlKey || e.metaKey)) { + this[this.ctrlKeysMapUp[e.keyCode]](e); } else { return; } e.stopImmediatePropagation(); e.preventDefault(); - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); }, onInput: function(e) { var fromPaste = this.fromPaste; @@ -12306,7 +12391,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.canvas.fire("text:changed", { target: this }); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); } } if (this.selectionStart !== this.selectionEnd) { @@ -12339,7 +12424,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.canvas.fire("text:changed", { target: this }); - this.canvas.renderAll(); + this.canvas.requestRenderAll(); } }, onCompositionStart: function() { @@ -12552,7 +12637,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.set("dirty", true); this.setSelectionEnd(this.selectionStart); this._removeExtraneousStyles(); - this.canvas && this.canvas.renderAll(); + this.canvas && this.canvas.requestRenderAll(); this.setCoords(); this.fire("changed"); this.canvas && this.canvas.fire("text:changed", { @@ -12696,12 +12781,10 @@ fabric.util.object.extend(fabric.IText.prototype, { minWidth: 20, dynamicMinWidth: 2, __cachedLines: null, - lockScalingY: true, lockScalingFlip: true, noScaleCache: false, initialize: function(text, options) { this.callSuper("initialize", text, options); - this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); this.ctx = this.objectCaching ? this._cacheContext : fabric.util.createCanvasElement().getContext("2d"); this._dimensionAffectingProps.push("width"); }, @@ -12709,7 +12792,7 @@ fabric.util.object.extend(fabric.IText.prototype, { if (this.__skipDimension) { return; } - this.initDelayedCursor(); + this.isEditing && this.initDelayedCursor(); this.clearContextTop(); this._clearCache(); this.dynamicMinWidth = 0; @@ -12849,13 +12932,6 @@ fabric.util.object.extend(fabric.IText.prototype, { newText.graphemeLines = graphemeLines; return newText; }, - setOnGroup: function(key, value) { - if (key === "scaleX") { - this.set("scaleX", Math.abs(1 / value)); - this.set("width", this.get("width") * value / (typeof this.__oldScaleX === "undefined" ? 1 : this.__oldScaleX)); - this.__oldScaleX = value; - } - }, getMinWidth: function() { return Math.max(this.minWidth, this.dynamicMinWidth); }, @@ -12863,21 +12939,8 @@ fabric.util.object.extend(fabric.IText.prototype, { return this.callSuper("toObject", [ "minWidth" ].concat(propertiesToInclude)); } }); - fabric.Textbox.fromObject = function(object, callback, forceAsync) { - return fabric.Object._fromObject("Textbox", object, callback, forceAsync, "text"); - }; - fabric.Textbox.getTextboxControlVisibility = function() { - return { - tl: false, - tr: false, - br: false, - bl: false, - ml: true, - mt: false, - mr: true, - mb: false, - mtr: true - }; + fabric.Textbox.fromObject = function(object, callback) { + return fabric.Object._fromObject("Textbox", object, callback, "text"); }; })(typeof exports !== "undefined" ? exports : this); @@ -12885,8 +12948,9 @@ fabric.util.object.extend(fabric.IText.prototype, { var setObjectScaleOverridden = fabric.Canvas.prototype._setObjectScale; fabric.Canvas.prototype._setObjectScale = function(localMouse, transform, lockScalingX, lockScalingY, by, lockScalingFlip, _dim) { var t = transform.target; - if (t instanceof fabric.Textbox) { - var w = t.width * (localMouse.x / transform.scaleX / (t.width + t.strokeWidth)); + if (by === "x" && t instanceof fabric.Textbox) { + var tw = t._getTransformedDimensions().x; + var w = t.width * (localMouse.x / tw); if (w >= t.getMinWidth()) { t.set("width", w); return true; @@ -12895,17 +12959,6 @@ fabric.util.object.extend(fabric.IText.prototype, { return setObjectScaleOverridden.call(fabric.Canvas.prototype, localMouse, transform, lockScalingX, lockScalingY, by, lockScalingFlip, _dim); } }; - fabric.Group.prototype._refreshControlsVisibility = function() { - if (typeof fabric.Textbox === "undefined") { - return; - } - for (var i = this._objects.length; i--; ) { - if (this._objects[i] instanceof fabric.Textbox) { - this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); - return; - } - } - }; fabric.util.object.extend(fabric.Textbox.prototype, { _removeExtraneousStyles: function() { for (var prop in this._styleMap) { @@ -13077,4 +13130,4 @@ if (typeof define === "function" && define.amd) { define([], function() { return fabric; }); -} +} \ No newline at end of file diff --git a/src/elements_parser.js b/src/elements_parser.js index c2d782c2088..021332a5c74 100644 --- a/src/elements_parser.js +++ b/src/elements_parser.js @@ -50,6 +50,9 @@ fabric.ElementsParser.prototype.createCallback = function(index, el) { _this.resolveGradient(obj, 'fill'); _this.resolveGradient(obj, 'stroke'); obj._removeTransformMatrix(); + if (obj instanceof fabric.Image) { + obj.parsePreserveAspectRatioAttribute(el); + } _this.reviver && _this.reviver(el, obj); _this.instances[index] = obj; _this.checkIfDone(); diff --git a/src/shapes/image.class.js b/src/shapes/image.class.js index 38c36f710a1..2b237345317 100644 --- a/src/shapes/image.class.js +++ b/src/shapes/image.class.js @@ -15,9 +15,8 @@ var stateProperties = fabric.Object.prototype.stateProperties.concat(); stateProperties.push( - 'alignX', - 'alignY', - 'meetOrSlice' + 'cropX', + 'cropY' ); /** @@ -44,33 +43,6 @@ */ crossOrigin: '', - /** - * AlignX value, part of preserveAspectRatio (one of "none", "mid", "min", "max") - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * This parameter defines how the picture is aligned to its viewport when image element width differs from image width. - * @type String - * @default - */ - alignX: 'none', - - /** - * AlignY value, part of preserveAspectRatio (one of "none", "mid", "min", "max") - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * This parameter defines how the picture is aligned to its viewport when image element height differs from image height. - * @type String - * @default - */ - alignY: 'none', - - /** - * meetOrSlice value, part of preserveAspectRatio (one of "meet", "slice"). - * if meet the image is always fully visibile, if slice the viewport is always filled with image. - * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute - * @type String - * @default - */ - meetOrSlice: 'meet', - /** * Width of a stroke. * For image quality a stroke multiple of 2 gives better results. @@ -142,6 +114,22 @@ */ cacheKey: '', + /** + * Image crop in pixels from original image size. + * since 2.0.0 + * @type Number + * @default + */ + cropX: 0, + + /** + * Image crop in pixels from original image size. + * since 2.0.0 + * @type Number + * @default + */ + cropY: 0, + /** * Constructor * @param {HTMLImageElement | String} element Image element @@ -267,7 +255,7 @@ var object = extend( this.callSuper( 'toObject', - ['crossOrigin', 'alignX', 'alignY', 'meetOrSlice'].concat(propertiesToInclude) + ['crossOrigin', 'cropX', 'cropY'].concat(propertiesToInclude) ), { src: this.getSrc(), filters: filters, @@ -289,10 +277,7 @@ */ toSVG: function(reviver) { var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, - preserveAspectRatio = 'none', filtered = true; - if (this.alignX !== 'none' && this.alignY !== 'none') { - preserveAspectRatio = 'x' + this.alignX + 'Y' + this.alignY + ' ' + this.meetOrSlice; - } + filtered = true; markup.push( '\n', '\n' ); @@ -465,13 +449,7 @@ * @param {CanvasRenderingContext2D} ctx Context to render on */ _render: function(ctx) { - var x = -this.width / 2, y = -this.height / 2, imageMargins = this._findMargins(), elementToDraw; - - if (this.meetOrSlice === 'slice') { - ctx.beginPath(); - ctx.rect(x, y, this.width, this.height); - ctx.clip(); - } + var x = -this.width / 2, y = -this.height / 2, elementToDraw; if (this.isMoving === false && this.resizeFilter && this._needsResize()) { this._lastScaleX = this.scaleX; @@ -480,12 +458,8 @@ } elementToDraw = this._element; elementToDraw && ctx.drawImage(elementToDraw, - x + imageMargins.marginX, - y + imageMargins.marginY, - imageMargins.width, - imageMargins.height - ); - + this.cropX, this.cropY, this.width, this.height, + x, y, this.width, this.height); this._stroke(ctx); this._renderStroke(ctx); }, @@ -497,40 +471,6 @@ return (this.scaleX !== this._lastScaleX || this.scaleY !== this._lastScaleY); }, - /** - * @private - */ - _findMargins: function() { - var width = this.width, height = this.height, scales, - scale, marginX = 0, marginY = 0; - - if (this.alignX !== 'none' || this.alignY !== 'none') { - scales = [this.width / this._element.width, this.height / this._element.height]; - scale = this.meetOrSlice === 'meet' - ? Math.min.apply(null, scales) : Math.max.apply(null, scales); - width = this._element.width * scale; - height = this._element.height * scale; - if (this.alignX === 'Mid') { - marginX = (this.width - width) / 2; - } - if (this.alignX === 'Max') { - marginX = this.width - width; - } - if (this.alignY === 'Mid') { - marginY = (this.height - height) / 2; - } - if (this.alignY === 'Max') { - marginY = this.height - height; - } - } - return { - width: width, - height: height, - marginX: marginX, - marginY: marginY - }; - }, - /** * @private */ @@ -599,6 +539,55 @@ ? this.getElement().height || 0 : 0); }, + + parsePreserveAspectRatioAttribute: function() { + if (!this.preserveAspectRatio) { + return; + } + var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio), + width = this._element.width, height = this._element.height, scale, + pWidth = this.width, pHeight = this.height, parsedAttributes = { width: pWidth, height: pHeight }; + if (pAR && (pAR.alignX !== 'none' || pAR.alignY !== 'none')) { + if (pAR.meetOrSlice === 'meet') { + this.width = width; + this.height = height; + this.scaleX = this.scaleY = scale = fabric.util.findScaleToFit(this._element, parsedAttributes); + if (pAR.alignX === 'Mid') { + this.left += (pWidth - width * scale) / 2; + } + if (pAR.alignX === 'Max') { + this.left += pWidth - width * scale; + } + if (pAR.alignY === 'Mid') { + this.top += (pHeight - height * scale) / 2; + } + if (pAR.alignY === 'Max') { + this.top += pHeight - height * scale; + } + } + if (pAR.meetOrSlice === 'slice') { + this.scaleX = this.scaleY = scale = fabric.util.findScaleToCover(this._element, parsedAttributes); + this.width = pWidth / scale; + this.height = pHeight / scale; + if (pAR.alignX === 'Mid') { + this.cropX = (width - this.width) / 2; + } + if (pAR.alignX === 'Max') { + this.cropX = width - this.width; + } + if (pAR.alignY === 'Mid') { + this.cropY = (height - this.height) / 2; + } + if (pAR.alignY === 'Max') { + this.cropY = height - this.height; + } + } + } + else { + this.scaleX = pWidth / width; + this.scaleY = pHeight / height; + } + } }); /** @@ -669,13 +658,7 @@ * @return {fabric.Image} Instance of fabric.Image */ fabric.Image.fromElement = function(element, callback, options) { - var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES), - preserveAR; - - if (parsedAttributes.preserveAspectRatio) { - preserveAR = fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio); - extend(parsedAttributes, preserveAR); - } + var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES); fabric.Image.fromURL(parsedAttributes['xlink:href'], callback, extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes)); diff --git a/src/util/misc.js b/src/util/misc.js index b3059729dcd..e4976272721 100644 --- a/src/util/misc.js +++ b/src/util/misc.js @@ -709,6 +709,14 @@ capValue: function(min, value, max) { return Math.max(min, Math.min(value, max)); + }, + + findScaleToFit: function(source, destination) { + return Math.min(destination.width / source.width, destination.height / source.height); + }, + + findScaleToCover: function(source, destination) { + return Math.max(destination.width / source.width, destination.height / source.height); } }; From e6158655afa2d96356ddfbe62ed5769faf8d30e8 Mon Sep 17 00:00:00 2001 From: Asturur Date: Sun, 2 Jul 2017 11:49:40 +0200 Subject: [PATCH 2/2] fixed tests --- dist/fabric.js | 1076 +++++++++++++++++------------------- dist/fabric.min.js | 18 +- dist/fabric.min.js.gz | Bin 75006 -> 74377 bytes dist/fabric.require.js | 701 +++++++++++------------ test/unit/canvas.js | 2 +- test/unit/canvas_static.js | 7 +- test/unit/image.js | 5 +- 7 files changed, 848 insertions(+), 961 deletions(-) diff --git a/dist/fabric.js b/dist/fabric.js index c72ad80995f..0179fca945b 100644 --- a/dist/fabric.js +++ b/dist/fabric.js @@ -62,32 +62,7 @@ fabric.DPI = 96; fabric.reNum = '(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)'; fabric.fontPaths = { }; fabric.iMatrix = [1, 0, 0, 1, 0, 0]; -fabric.canvasModule = 'canvas'; - -/** - * Pixel limit for cache canvases. 1Mpx , 4Mpx should be fine. - * @since 1.7.14 - * @type Number - * @default - */ -fabric.perfLimitSizeTotal = 2097152; - -/** - * Pixel limit for cache canvases width or height. IE fixes the maximum at 5000 - * @since 1.7.14 - * @type Number - * @default - */ -fabric.maxCacheSideLimit = 4096; - -/** - * Lowest pixel limit for cache canvases, set at 256PX - * @since 1.7.14 - * @type Number - * @default - */ -fabric.minCacheSideLimit = 256; - +fabric.canvasModule = 'canvas-prebuilt'; /** * Cache Object for widths of chars in text rendering. */ @@ -848,7 +823,8 @@ fabric.CommonMethods = { var enlivenedObjects = [], numLoadedObjects = 0, - numTotalObjects = objects.length; + numTotalObjects = objects.length, + forceAsync = true; if (!numTotalObjects) { callback && callback(enlivenedObjects); @@ -866,7 +842,7 @@ fabric.CommonMethods = { error || (enlivenedObjects[index] = obj); reviver && reviver(o, obj, error); onLoaded(); - }); + }, forceAsync); }); }, @@ -1226,33 +1202,6 @@ fabric.CommonMethods = { else if (fabric.charWidthsCache[fontFamily]) { delete fabric.charWidthsCache[fontFamily]; } - }, - - /** - * Clear char widths cache for a font family. - * @memberOf fabric.util - * @param {Number} ar aspect ratio - * @param {Number} maximumArea Maximum area you want to achieve - * @param {Number} maximumSide biggest side allowed - * @return {Object.x} Limited dimensions by X - * @return {Object.y} Limited dimensions by Y - */ - limitDimsByArea: function(ar, maximumArea) { - var roughWidth = Math.sqrt(maximumArea * ar), - perfLimitSizeY = Math.floor(maximumArea / roughWidth); - return { x: Math.floor(roughWidth), y: perfLimitSizeY }; - }, - - capValue: function(min, value, max) { - return Math.max(min, Math.min(value, max)); - }, - - findScaleToFit: function(source, destination) { - return Math.min(destination.width / source.width, destination.height / source.height); - }, - - findScaleToCover: function(source, destination) { - return Math.max(destination.width / source.width, destination.height / source.height); } }; @@ -3783,9 +3732,9 @@ if (typeof console !== 'undefined') { fabric.gradientDefs[svgUid] = fabric.getGradientDefs(doc); fabric.cssRules[svgUid] = fabric.getCSSRules(doc); // Precedence of rules: style > class > attribute - fabric.parseElements(elements, function(instances, elements) { + fabric.parseElements(elements, function(instances) { if (callback) { - callback(instances, options, elements, descendants); + callback(instances, options); } }, clone(options), reviver, parsingOptions); }; @@ -4090,8 +4039,8 @@ if (typeof console !== 'undefined') { callback && callback(null); } - fabric.parseSVGDocument(xml.documentElement, function (results, _options, elements, allElements) { - callback && callback(results, _options, elements, allElements); + fabric.parseSVGDocument(xml.documentElement, function (results, _options) { + callback && callback(results, _options); }, reviver, options); } }, @@ -4121,8 +4070,8 @@ if (typeof console !== 'undefined') { doc.loadXML(string.replace(//i, '')); } - fabric.parseSVGDocument(doc.documentElement, function (results, _options, elements, allElements) { - callback(results, _options, elements, allElements); + fabric.parseSVGDocument(doc.documentElement, function (results, _options) { + callback(results, _options); }, reviver, options); } }); @@ -4173,7 +4122,18 @@ fabric.ElementsParser.prototype.createObject = function(el, index) { }; fabric.ElementsParser.prototype._createObject = function(klass, el, index) { - klass.fromElement(el, this.createCallback(index, el), this.options); + if (klass.async) { + klass.fromElement(el, this.createCallback(index, el), this.options); + } + else { + var obj = klass.fromElement(el, this.options); + this.resolveGradient(obj, 'fill'); + this.resolveGradient(obj, 'stroke'); + obj._removeTransformMatrix(); + this.reviver && this.reviver(el, obj); + this.instances[index] = obj; + this.checkIfDone(); + } }; fabric.ElementsParser.prototype.createCallback = function(index, el) { @@ -4182,9 +4142,6 @@ fabric.ElementsParser.prototype.createCallback = function(index, el) { _this.resolveGradient(obj, 'fill'); _this.resolveGradient(obj, 'stroke'); obj._removeTransformMatrix(); - if (obj instanceof fabric.Image) { - obj.parsePreserveAspectRatioAttribute(el); - } _this.reviver && _this.reviver(el, obj); _this.instances[index] = obj; _this.checkIfDone(); @@ -4210,7 +4167,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { // eslint-disable-next-line no-eq-null, eqeqeq return el != null; }); - this.callback(this.instances, this.elements); + this.callback(this.instances); } }; @@ -5010,7 +4967,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { * @memberOf fabric.Color */ // eslint-disable-next-line max-len - fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/; + fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; /** * Regex matching color in HSL or HSLA formats (ex: hsl(200, 80%, 10%), hsla(300, 50%, 80%, 0.5), hsla( 300 , 50% , 80% , 0.5 )) @@ -6089,7 +6046,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { */ initialize: function(el, options) { options || (options = { }); - this.renderAndResetBound = this.renderAndReset.bind(this); + this._initStatic(el, options); }, @@ -6715,14 +6672,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() { * @chainable true */ setViewportTransform: function (vpt) { - var activeGroup = this._activeGroup, object, ignoreVpt = false, skipAbsolute = true; + var activeGroup = this._activeGroup, object, ingoreVpt = false, skipAbsolute = true; this.viewportTransform = vpt; for (var i = 0, len = this._objects.length; i < len; i++) { object = this._objects[i]; - object.group || object.setCoords(ignoreVpt, skipAbsolute); + object.group || object.setCoords(ingoreVpt, skipAbsolute); } if (activeGroup) { - activeGroup.setCoords(ignoreVpt, skipAbsolute); + activeGroup.setCoords(ingoreVpt, skipAbsolute); } this.calcViewportBoundaries(); this.renderAll(); @@ -6867,31 +6824,6 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this; }, - /** - * Function created to be instance bound at initialization - * used in requestAnimationFrame rendering - * @return {fabric.Canvas} instance - * @chainable - */ - renderAndReset: function() { - this.renderAll(); - this.isRendering = false; - }, - - /** - * Append a renderAll request to next animation frame. - * a boolean flag will avoid appending more. - * @return {fabric.Canvas} instance - * @chainable - */ - requestRenderAll: function () { - if (!this.isRendering) { - this.isRendering = true; - fabric.util.requestAnimFrame(this.renderAndResetBound); - } - return this; - }, - /** * Calculate the position of the 4 corner of canvas with current viewportTransform. * helps to determinate when an object is in the current rendering viewport using @@ -7498,8 +7430,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.unshift(object); } - this.renderAll && this.renderAll(); - return this; + return this.renderAll && this.renderAll(); }, /** @@ -7527,8 +7458,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.push(object); } - this.renderAll && this.renderAll(); - return this; + return this.renderAll && this.renderAll(); }, /** @@ -8087,7 +8017,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype // rendered inconsistently across browsers // Firefox 4, for example, renders a dot, // whereas Chrome 10 renders nothing - this.canvas.requestRenderAll(); + this.canvas.renderAll(); return; } @@ -8098,7 +8028,7 @@ fabric.BaseBrush = fabric.util.createClass(/** @lends fabric.BaseBrush.prototype this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); // fire event 'path' created this.canvas.fire('path:created', { path: path }); @@ -8201,7 +8131,7 @@ fabric.CircleBrush = fabric.util.createClass(fabric.BaseBrush, /** @lends fabric this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.requestRenderAll(); + this.canvas.renderAll(); }, /** @@ -8350,7 +8280,7 @@ fabric.SprayBrush = fabric.util.createClass( fabric.BaseBrush, /** @lends fabric this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.requestRenderAll(); + this.canvas.renderAll(); }, /** @@ -8531,7 +8461,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @fires mouse:up * @fires mouse:over * @fires mouse:out - * @fires mouse:doubleclick * */ fabric.Canvas = fabric.util.createClass(fabric.StaticCanvas, /** @lends fabric.Canvas.prototype */ { @@ -8544,7 +8473,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab */ initialize: function(el, options) { options || (options = { }); - this.renderAndResetBound = this.renderAndReset.bind(this); + this._initStatic(el, options); this._initInteractive(); this._createCacheCanvas(); @@ -9776,13 +9705,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab _createUpperCanvas: function () { var lowerCanvasClass = this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/, ''); - // there is no need to create a new upperCanvas element if we have already one. - if (this.upperCanvasEl) { - this.upperCanvasEl.className = ''; - } - else { - this.upperCanvasEl = this._createCanvasElement(); - } + this.upperCanvasEl = this._createCanvasElement(); fabric.util.addClass(this.upperCanvasEl, 'upper-canvas ' + lowerCanvasClass); this.wrapperEl.appendChild(this.upperCanvasEl); @@ -9895,7 +9818,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._setActiveObject(object); this.fire('object:selected', { target: object, e: e }); object.fire('selected', { e: e }); - this.requestRenderAll(); + this.renderAll(); return this; }, @@ -10255,17 +10178,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @private */ _initEventListeners: function () { - // in case we initialized the class twice. This should not happen normally - // but in some kind of applications where the canvas element may be changed - // this is a workaround to having double listeners. - this.removeListeners(); + this._bindEvents(); addListener(fabric.window, 'resize', this._onResize); // mouse events addListener(this.upperCanvasEl, 'mousedown', this._onMouseDown); - addListener(this.upperCanvasEl, 'dblclick', this._onDoubleClick); addListener(this.upperCanvasEl, 'mousemove', this._onMouseMove); addListener(this.upperCanvasEl, 'mouseout', this._onMouseOut); addListener(this.upperCanvasEl, 'mouseenter', this._onMouseEnter); @@ -10289,10 +10208,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @private */ _bindEvents: function() { - if (this.eventsBinded) { - // for any reason we pass here twice we do not want to bind events twice. - return; - } this._onMouseDown = this._onMouseDown.bind(this); this._onMouseMove = this._onMouseMove.bind(this); this._onMouseUp = this._onMouseUp.bind(this); @@ -10306,8 +10221,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._onMouseOut = this._onMouseOut.bind(this); this._onMouseEnter = this._onMouseEnter.bind(this); this._onContextMenu = this._onContextMenu.bind(this); - this._onDoubleClick = this._onDoubleClick.bind(this); - this.eventsBinded = true; }, /** @@ -10322,7 +10235,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab removeListener(this.upperCanvasEl, 'mouseenter', this._onMouseEnter); removeListener(this.upperCanvasEl, 'wheel', this._onMouseWheel); removeListener(this.upperCanvasEl, 'contextmenu', this._onContextMenu); - removeListener(this.upperCanvasEl, 'doubleclick', this._onDoubleClick); + removeListener(this.upperCanvasEl, 'touchstart', this._onMouseDown); removeListener(this.upperCanvasEl, 'touchmove', this._onMouseMove); @@ -10429,21 +10342,13 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab return false; }, - /** - * @private - * @param {Event} e Event object fired on mousedown - */ - _onDoubleClick: function (e) { - var target; - this._handleEvent(e, 'dblclick', target); - }, - /** * @private * @param {Event} e Event object fired on mousedown */ _onMouseDown: function (e) { this.__onMouseDown(e); + addListener(fabric.document, 'touchend', this._onMouseUp, { passive: false }); addListener(fabric.document, 'touchmove', this._onMouseMove, { passive: false }); @@ -10593,7 +10498,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._setCursorFromEvent(e, target); this._handleEvent(e, 'up', target ? target : null, LEFT_CLICK, isClick); target && (target.__corner = 0); - shouldRender && this.requestRenderAll(); + shouldRender && this.renderAll(); }, /** @@ -10672,7 +10577,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab */ _onMouseDownInDrawingMode: function(e) { this._isCurrentlyDrawing = true; - this.discardActiveObject(e).requestRenderAll(); + this.discardActiveObject(e).renderAll(); if (this.clipTo) { fabric.util.clipContext(this, this.contextTop); } @@ -10784,7 +10689,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab } this._handleEvent(e, 'down', target ? target : null); // we must renderAll so that we update the visuals - shouldRender && this.requestRenderAll(); + shouldRender && this.renderAll(); }, /** @@ -10906,7 +10811,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab this._beforeScaleTransform(e, transform); this._performTransformAction(e, transform, pointer); - transform.actionPerformed && this.requestRenderAll(); + transform.actionPerformed && this.renderAll(); }, /** @@ -11004,7 +10909,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab * @param {Object} target Object that the mouse is hovering, if so. */ _setCursorFromEvent: function (e, target) { - if (!target) { + if (!target || !target.selectable) { this.setCursor(this.defaultCursor); return false; } @@ -11191,7 +11096,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, /** @lends fab group.addWithUpdate(); this.setActiveGroup(group, e); this.fire('selection:created', { target: group, e: e }); - this.requestRenderAll(); + this.renderAll(); } }, @@ -11434,19 +11339,11 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati ? JSON.parse(json) : fabric.util.object.clone(json); - var _this = this, - renderOnAddRemove = this.renderOnAddRemove; - this.renderOnAddRemove = false; + this.clear(); - this._enlivenObjects(serialized.objects, function (enlivenedObjects) { - _this.clear(); + var _this = this; + this._enlivenObjects(serialized.objects, function () { _this._setBgOverlay(serialized, function () { - enlivenedObjects.forEach(function(obj, index) { - // we splice the array just in case some custom classes restored from JSON - // will add more object to canvas at canvas init. - _this.insertAt(obj, index); - }); - _this.renderOnAddRemove = renderOnAddRemove; // remove parts i cannot set as options delete serialized.objects; delete serialized.backgroundImage; @@ -11458,7 +11355,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati // create the Object instance. Here the Canvas is // already an instance and we are just loading things over it _this._setOptions(serialized); - _this.renderAll(); callback && callback(); }); }, reviver); @@ -11471,12 +11367,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @param {Function} callback Invoked after all background and overlay images/patterns loaded */ _setBgOverlay: function(serialized, callback) { - var loaded = { - backgroundColor: false, - overlayColor: false, - backgroundImage: false, - overlayImage: false - }; + var _this = this, + loaded = { + backgroundColor: false, + overlayColor: false, + backgroundImage: false, + overlayImage: false + }; if (!serialized.backgroundImage && !serialized.overlayImage && !serialized.background && !serialized.overlay) { callback && callback(); @@ -11485,6 +11382,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati var cbIfLoaded = function () { if (loaded.backgroundImage && loaded.overlayImage && loaded.backgroundColor && loaded.overlayColor) { + _this.renderAll(); callback && callback(); } }; @@ -11533,13 +11431,25 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @param {Function} [reviver] */ _enlivenObjects: function (objects, callback, reviver) { + var _this = this; + if (!objects || objects.length === 0) { - callback && callback([]); + callback && callback(); return; } + var renderOnAddRemove = this.renderOnAddRemove; + this.renderOnAddRemove = false; + fabric.util.enlivenObjects(objects, function(enlivenedObjects) { - callback && callback(enlivenedObjects); + enlivenedObjects.forEach(function(obj, index) { + // we splice the array just in case some custom classes restored from JSON + // will add more object to canvas at canvas init. + _this.insertAt(obj, index); + }); + + _this.renderOnAddRemove = renderOnAddRemove; + callback && callback(); }, null, reviver); }, @@ -11620,8 +11530,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports('setLineDash'), - objectCaching = !fabric.isLikelyNode, - ALIASING_LIMIT = 2; + objectCaching = !fabric.isLikelyNode; if (fabric.Object) { return; @@ -11649,7 +11558,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @fires mouseover * @fires mouseout * @fires mousewheel - * @fires mousedblclick */ fabric.Object = fabric.util.createClass(fabric.CommonMethods, /** @lends fabric.Object.prototype */ { @@ -12409,6 +12317,16 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ dirty: true, + /** + * When set to `true`, force the object to have its own cache, even if it is inside a group + * it may be needed when your object behave in a particular way on the cache and always needs + * its own isolated canvas to render correctly. + * since 1.7.5 + * @type Boolean + * @default false + */ + needsItsOwnCache: false, + /** * List of properties to consider when checking if state * of an object is changed (fabric.Object#hasStateChanged) @@ -12418,8 +12336,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati stateProperties: ( 'top left width height scaleX scaleY flipX flipY originX originY transformMatrix ' + 'stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit ' + - 'angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor ' + - 'skewX skewY fillRule' + 'angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor ' + + 'skewX skewY' ).split(' '), /** @@ -12427,8 +12345,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @type Array */ cacheProperties: ( - 'fill stroke strokeWidth strokeDashArray width height' + - ' strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor' + 'fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray' + + ' strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor' ).split(' '), /** @@ -12440,6 +12358,9 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati if (options) { this.setOptions(options); } + if (this.objectCaching) { + this._createCacheCanvas(); + } }, /** @@ -12453,46 +12374,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this._updateCacheCanvas(); }, - /** - * Limit the cache dimensions so that X * Y do not cross fabric.perfLimitSizeTotal - * and each side do not cross fabric.cacheSideLimit - * those numbers are configurable so that you can get as much detail as you want - * making bargain with performances. - * @param {Object} dims - * @param {Object} dims.width width of canvas - * @param {Object} dims.height height of canvas - * @param {Object} dims.zoomX zoomX zoom value to unscale the canvas before drawing cache - * @param {Object} dims.zoomY zoomY zoom value to unscale the canvas before drawing cache - * @return {Object}.width width of canvas - * @return {Object}.height height of canvas - * @return {Object}.zoomX zoomX zoom value to unscale the canvas before drawing cache - * @return {Object}.zoomY zoomY zoom value to unscale the canvas before drawing cache - */ - _limitCacheSize: function(dims) { - var perfLimitSizeTotal = fabric.perfLimitSizeTotal, - maximumSide = fabric.cacheSideLimit, - width = dims.width, height = dims.height, - ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal, maximumSide), - capValue = fabric.util.capValue, max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit, - x = capValue(min, limitedDims.x, max), - y = capValue(min, limitedDims.y, max); - if (width > x) { - dims.zoomX /= width / x; - dims.width = x; - } - else if (width < min) { - dims.width = min; - } - if (height > y) { - dims.zoomY /= height / y; - dims.height = y; - } - else if (height < min) { - dims.height = min; - } - return dims; - }, - /** * Return the dimension and the zoom level needed to create a cache canvas * big enough to host the object to be cached. @@ -12512,8 +12393,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati width = dim.x * zoomX, height = dim.y * zoomY; return { - width: width + ALIASING_LIMIT, - height: height + ALIASING_LIMIT, + width: width + 2, + height: height + 2, zoomX: zoomX, zoomY: zoomY }; @@ -12528,45 +12409,21 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati _updateCacheCanvas: function() { if (this.noScaleCache && this.canvas && this.canvas._currentTransform) { var action = this.canvas._currentTransform.action; - if (action.slice && action.slice(0, 5) === 'scale') { + if (action.slice(0, 5) === 'scale') { return false; } } - var dims = this._limitCacheSize(this._getCacheCanvasDimensions()), - minCacheSize = fabric.minCacheSideLimit, + var dims = this._getCacheCanvasDimensions(), width = dims.width, height = dims.height, - zoomX = dims.zoomX, zoomY = dims.zoomY, - dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight, - zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY, - shouldRedraw = dimensionsChanged || zoomChanged, - additionalWidth = 0, additionalHeight = 0, shouldResizeCanvas = false; - if (dimensionsChanged) { - var canvasWidth = this._cacheCanvas.width, - canvasHeight = this._cacheCanvas.height, - sizeGrowing = width > canvasWidth || height > canvasHeight, - sizeShrinking = (width < canvasWidth * 0.9 || height < canvasHeight * 0.9) && - canvasWidth > minCacheSize && canvasHeight > minCacheSize; - shouldResizeCanvas = sizeGrowing || sizeShrinking; - if (sizeGrowing) { - additionalWidth = (width * 0.1) & ~1; - additionalHeight = (height * 0.1) & ~1; - } - } - if (shouldRedraw) { - if (shouldResizeCanvas) { - this._cacheCanvas.width = Math.max(Math.ceil(width) + additionalWidth, minCacheSize); - this._cacheCanvas.height = Math.max(Math.ceil(height) + additionalHeight, minCacheSize); - this.cacheTranslationX = (width + additionalWidth) / 2; - this.cacheTranslationY = (height + additionalHeight) / 2; - } - else { - this._cacheContext.setTransform(1, 0, 0, 1, 0, 0); - this._cacheContext.clearRect(0, 0, this._cacheCanvas.width, this._cacheCanvas.height); - } + zoomX = dims.zoomX, zoomY = dims.zoomY; + + if (width !== this.cacheWidth || height !== this.cacheHeight) { + this._cacheCanvas.width = Math.ceil(width); + this._cacheCanvas.height = Math.ceil(height); + this._cacheContext.translate(width / 2, height / 2); + this._cacheContext.scale(zoomX, zoomY); this.cacheWidth = width; this.cacheHeight = height; - this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY); - this._cacheContext.scale(zoomX, zoomY); this.zoomX = zoomX; this.zoomY = zoomY; return true; @@ -12759,7 +12616,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this.dirty = true; } - if (this.group && this.stateProperties.indexOf(key) > -1 && this.group.isOnACache()) { + if (this.group && this.stateProperties.indexOf(key) > -1) { this.group.set('dirty', true); } @@ -12784,7 +12641,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * Retrieves viewportTransform from Object's canvas if possible * @method getViewportTransform * @memberOf fabric.Object.prototype - * @return {Boolean} + * @return {Boolean} flipY value // TODO */ getViewportTransform: function() { if (this.canvas && this.canvas.viewportTransform) { @@ -12793,29 +12650,20 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati return fabric.iMatrix.concat(); }, - /* - * @private - * return if the object would be visible in rendering - * @memberOf fabric.Object.prototype - * @return {Boolean} - */ - isNotVisible: function() { - return this.opacity === 0 || (this.width === 0 && this.height === 0) || !this.visible; - }, - /** * Renders an object on a specified context * @param {CanvasRenderingContext2D} ctx Context to render on */ render: function(ctx) { // do not render if width/height are zeros or object is not visible - if (this.isNotVisible()) { + if ((this.width === 0 && this.height === 0) || !this.visible) { return; } if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) { return; } ctx.save(); + //setup fill rule for current object this._setupCompositeOperation(ctx); this.drawSelectionBackground(ctx); this.transform(ctx); @@ -12837,7 +12685,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati this.drawCacheOnCanvas(ctx); } else { - this.dirty = false; this.drawObject(ctx); if (this.objectCaching && this.statefullCache) { this.saveState({ propertySet: 'cacheProperties' }); @@ -12848,19 +12695,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, /** - * When set to `true`, force the object to have its own cache, even if it is inside a group - * it may be needed when your object behave in a particular way on the cache and always needs - * its own isolated canvas to render correctly. - * Created to be overridden - * since 1.7.12 - * @returns false - */ - needsItsOwnCache: function() { - return false; - }, - - /** - * Decide if the object should cache or not. Create its own cache level + * Decide if the object should cache or not. * objectCaching is a global flag, wins over everything * needsItsOwnCache should be used when the object drawing method requires * a cache step. None of the fabric classes requires it. @@ -12868,9 +12703,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @return {Boolean} */ shouldCache: function() { - this.ownCaching = this.objectCaching && - (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); - return this.ownCaching; + return this.objectCaching && + (!this.group || this.needsItsOwnCache || !this.group.isCaching()); }, /** @@ -12879,7 +12713,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * @return {Boolean} */ willDrawShadow: function() { - return !!this.shadow && (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0); + return !!this.shadow; }, /** @@ -12899,7 +12733,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ drawCacheOnCanvas: function(ctx) { ctx.scale(1 / this.zoomX, 1 / this.zoomY); - ctx.drawImage(this._cacheCanvas, -this.cacheTranslationX, -this.cacheTranslationY); + ctx.drawImage(this._cacheCanvas, -this.cacheWidth / 2, -this.cacheHeight / 2); }, /** @@ -12908,16 +12742,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati * on parent canvas. */ isCacheDirty: function(skipCanvas) { - if (this.isNotVisible()) { - return false; - } - if (this._cacheCanvas && !skipCanvas && this._updateCacheCanvas()) { + if (!skipCanvas && this._updateCacheCanvas()) { // in this case the context is already cleared. return true; } else { if (this.dirty || (this.statefullCache && this.hasStateChanged('cacheProperties'))) { - if (this._cacheCanvas && !skipCanvas) { + if (!skipCanvas) { var width = this.cacheWidth / this.zoomX; var height = this.cacheHeight / this.zoomY; this._cacheContext.clearRect(-width / 2, -height / 2, width, height); @@ -13015,10 +12846,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati _renderControls: function(ctx, styleOverride) { var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), - options, drawBorders, drawControls; + options; styleOverride = styleOverride || { }; - drawBorders = typeof styleOverride.hasBorders !== 'undefined' ? styleOverride.hasBorders : this.hasBorders; - drawControls = typeof styleOverride.hasControls !== 'undefined' ? styleOverride.hasControls : this.hasControls; matrix = fabric.util.multiplyTransformMatrices(vpt, matrix); options = fabric.util.qrDecompose(matrix); ctx.save(); @@ -13029,13 +12858,13 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati } if (this.group && this.group === this.canvas.getActiveGroup()) { ctx.rotate(degreesToRadians(options.angle)); - drawBorders && this.drawBordersInGroup(ctx, options, styleOverride); + (this.hasBorders || styleOverride.hasBorders) && this.drawBordersInGroup(ctx, options, styleOverride); } else { ctx.rotate(degreesToRadians(this.angle)); - drawBorders && this.drawBorders(ctx, styleOverride); + (this.hasBorders || styleOverride.hasBorders) && this.drawBorders(ctx, styleOverride); } - drawControls && this.drawControls(ctx, styleOverride); + (this.hasControls || styleOverride.hasControls) && this.drawControls(ctx, styleOverride); ctx.restore(); }, @@ -13164,18 +12993,17 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, /** - * Clones an instance, using a callback method will work for every object. + * Clones an instance, some objects are async, so using callback method will work for every object. + * Using the direct return does not work for images and groups. * @param {Function} callback Callback is invoked with a clone as a first argument * @param {Array} [propertiesToInclude] Any properties that you might want to additionally include in the output + * @return {fabric.Object} clone of an instance */ clone: function(callback, propertiesToInclude) { - var objectForm = this.toObject(propertiesToInclude); if (this.constructor.fromObject) { - this.constructor.fromObject(objectForm, callback); - } - else { - fabric.Object._fromObject('Object', objectForm, callback); + return this.constructor.fromObject(this.toObject(propertiesToInclude), callback); } + return new fabric.Object(this.toObject(propertiesToInclude)); }, /** @@ -13559,19 +13387,26 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati */ fabric.Object.NUM_FRACTION_DIGITS = 2; - fabric.Object._fromObject = function(className, object, callback, extraParam) { + fabric.Object._fromObject = function(className, object, callback, forceAsync, extraParam) { var klass = fabric[className]; object = clone(object, true); - fabric.util.enlivenPatterns([object.fill, object.stroke], function(patterns) { - if (typeof patterns[0] !== 'undefined') { - object.fill = patterns[0]; - } - if (typeof patterns[1] !== 'undefined') { - object.stroke = patterns[1]; - } + if (forceAsync) { + fabric.util.enlivenPatterns([object.fill, object.stroke], function(patterns) { + if (typeof patterns[0] !== 'undefined') { + object.fill = patterns[0]; + } + if (typeof patterns[1] !== 'undefined') { + object.stroke = patterns[1]; + } + var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); + callback && callback(instance); + }); + } + else { var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); callback && callback(instance); - }); + return instance; + } }; /** @@ -14707,34 +14542,35 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } function _isEqual(origValue, currentValue, firstPass) { - if (origValue === currentValue) { - // if the objects are identical, return - return true; + if (!fabric.isLikelyNode && origValue instanceof Element) { + // avoid checking deep html elements + return origValue === currentValue; } - else if (Array.isArray(origValue)) { + else if (origValue instanceof Array) { if (origValue.length !== currentValue.length) { return false; } for (var i = 0, len = origValue.length; i < len; i++) { - if (!_isEqual(origValue[i], currentValue[i])) { + if (origValue[i] !== currentValue[i]) { return false; } } return true; } else if (origValue && typeof origValue === 'object') { - var keys = Object.keys(origValue), key; - if (!firstPass && keys.length !== Object.keys(currentValue).length) { + if (!firstPass && Object.keys(origValue).length !== Object.keys(currentValue).length) { return false; } - for (var i = 0, len = keys.length; i < len; i++) { - key = keys[i]; + for (var key in origValue) { if (!_isEqual(origValue[key], currentValue[key])) { return false; } } return true; } + else { + return origValue === currentValue; + } } @@ -14747,11 +14583,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ hasStateChanged: function(propertySet) { propertySet = propertySet || originalSet; - var dashedPropertySet = '_' + propertySet; - if (Object.keys(this[dashedPropertySet]).length < this[propertySet].length) { + propertySet = '_' + propertySet; + if (!Object.keys(this[propertySet]).length) { return true; } - return !_isEqual(this[dashedPropertySet], this, true); + return !_isEqual(this[propertySet], this, true); }, /** @@ -14927,26 +14763,20 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public properties: width, height * Requires public options: padding, borderColor * @param {CanvasRenderingContext2D} ctx Context to draw on - * @param {Object} styleOverride object to override the object style + * @param {Object} bordersStyle object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawBorders: function(ctx, styleOverride) { - styleOverride = styleOverride || {}; + drawBorders: function(ctx, bordersStyle) { + bordersStyle = bordersStyle || {}; var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, - height = wh.y + strokeWidth, - drawRotatingPoint = typeof styleOverride.hasRotatingPoint !== 'undefined' ? - styleOverride.hasRotatingPoint : this.hasRotatingPoint, - hasControls = typeof styleOverride.hasControls !== 'undefined' ? - styleOverride.hasControls : this.hasControls, - rotatingPointOffset = typeof styleOverride.rotatingPointOffset !== 'undefined' ? - styleOverride.rotatingPointOffset : this.rotatingPointOffset; + height = wh.y + strokeWidth; ctx.save(); - ctx.strokeStyle = styleOverride.borderColor || this.borderColor; - this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; + this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); ctx.strokeRect( -width / 2, @@ -14955,13 +14785,14 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot height ); - if (drawRotatingPoint && this.isControlVisible('mtr') && !this.get('lockRotation') && hasControls) { + if (bordersStyle.hasRotatingPoint || + this.hasRotatingPoint && this.isControlVisible('mtr') && !this.get('lockRotation') && this.hasControls) { var rotateHeight = -height / 2; ctx.beginPath(); ctx.moveTo(0, rotateHeight); - ctx.lineTo(0, rotateHeight - rotatingPointOffset); + ctx.lineTo(0, rotateHeight - this.rotatingPointOffset); ctx.closePath(); ctx.stroke(); } @@ -14976,12 +14807,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public options: padding, borderColor * @param {CanvasRenderingContext2D} ctx Context to draw on * @param {object} options object representing current object parameters - * @param {Object} styleOverride object to override the object style + * @param {Object} bordersStyle object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawBordersInGroup: function(ctx, options, styleOverride) { - styleOverride = styleOverride || {}; + drawBordersInGroup: function(ctx, options, bordersStyle) { + bordersStyle = bordersStyle || {}; var p = this._getNonTransformedDimensions(), matrix = fabric.util.customTransformMatrix(options.scaleX, options.scaleY, options.skewX), wh = fabric.util.transformPoint(p, matrix), @@ -14990,8 +14821,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot height = wh.y + strokeWidth; ctx.save(); - this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); - ctx.strokeStyle = styleOverride.borderColor || this.borderColor; + this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; ctx.strokeRect( -width / 2, @@ -15009,79 +14840,75 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Requires public properties: width, height * Requires public options: cornerSize, padding * @param {CanvasRenderingContext2D} ctx Context to draw on - * @param {Object} styleOverride object to override the object style + * @param {Object} controlsStyle object to override the object style * @return {fabric.Object} thisArg * @chainable */ - drawControls: function(ctx, styleOverride) { - styleOverride = styleOverride || {}; + drawControls: function(ctx, controlsStyle) { + controlsStyle = controlsStyle || {}; var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, - scaleOffset = styleOverride.cornerSize || this.cornerSize, + scaleOffset = controlsStyle.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, - transparentCorners = typeof styleOverride.transparentCorners !== 'undefined' ? - styleOverride.transparentCorners : this.transparentCorners, - hasRotatingPoint = typeof styleOverride.hasRotatingPoint !== 'undefined' ? - styleOverride.hasRotatingPoint : this.hasRotatingPoint, - methodName = transparentCorners ? 'stroke' : 'fill'; + methodName = controlsStyle.transparentCorners || this.transparentCorners ? 'stroke' : 'fill'; ctx.save(); - ctx.strokeStyle = ctx.fillStyle = styleOverride.cornerColor || this.cornerColor; + ctx.strokeStyle = ctx.fillStyle = controlsStyle.cornerColor || this.cornerColor; if (!this.transparentCorners) { - ctx.strokeStyle = styleOverride.cornerStrokeColor || this.cornerStrokeColor; + ctx.strokeStyle = controlsStyle.cornerStrokeColor || this.cornerStrokeColor; } - this._setLineDash(ctx, styleOverride.cornerDashArray || this.cornerDashArray, null); + this._setLineDash(ctx, controlsStyle.cornerDashArray || this.cornerDashArray, null); // top-left this._drawControl('tl', ctx, methodName, left, - top, styleOverride); + top, controlsStyle); // top-right this._drawControl('tr', ctx, methodName, left + width, - top, styleOverride); + top, controlsStyle); // bottom-left this._drawControl('bl', ctx, methodName, left, - top + height, styleOverride); + top + height, controlsStyle); // bottom-right this._drawControl('br', ctx, methodName, left + width, - top + height, styleOverride); + top + height, controlsStyle); if (!this.get('lockUniScaling')) { // middle-top this._drawControl('mt', ctx, methodName, left + width / 2, - top, styleOverride); + top, controlsStyle); // middle-bottom this._drawControl('mb', ctx, methodName, left + width / 2, - top + height, styleOverride); + top + height, controlsStyle); // middle-right this._drawControl('mr', ctx, methodName, left + width, - top + height / 2, styleOverride); + top + height / 2, controlsStyle); // middle-left this._drawControl('ml', ctx, methodName, left, - top + height / 2, styleOverride); + top + height / 2, controlsStyle); } // middle-top-rotate - if (hasRotatingPoint) { + if (controlsStyle.hasRotatingPoint || this.hasRotatingPoint) { this._drawControl('mtr', ctx, methodName, left + width / 2, - top - this.rotatingPointOffset, styleOverride); + top - this.rotatingPointOffset, controlsStyle); } ctx.restore(); @@ -15092,13 +14919,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot /** * @private */ - _drawControl: function(control, ctx, methodName, left, top, styleOverride) { - styleOverride = styleOverride || {}; + _drawControl: function(control, ctx, methodName, left, top, controlStyle) { + controlStyle = controlStyle || {}; if (!this.isControlVisible(control)) { return; } var size = this.cornerSize, stroke = !this.transparentCorners && this.cornerStrokeColor; - switch (styleOverride.cornerStyle || this.cornerStyle) { + switch (controlStyle.cornerStyle || this.cornerStyle) { case 'circle': ctx.beginPath(); ctx.arc(left + size / 2, top + size / 2, size / 2, 0, 2 * Math.PI, false); @@ -15218,7 +15045,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati duration: this.FX_DURATION, onChange: function(value) { object.set('left', value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function() { @@ -15253,7 +15080,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati duration: this.FX_DURATION, onChange: function(value) { object.set('top', value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function() { @@ -15291,7 +15118,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, /** @lends fabric.Stati }, onChange: function(value) { object.set('opacity', value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function () { @@ -15710,9 +15537,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Line * @param {SVGElement} element Element to parse * @param {Object} [options] Options object - * @param {Function} [callback] callback function invoked after parsing + * @return {fabric.Line} instance of fabric.Line */ - fabric.Line.fromElement = function(element, callback, options) { + fabric.Line.fromElement = function(element, options) { options = options || { }; var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES), points = [ @@ -15723,7 +15550,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot ]; options.originX = 'left'; options.originY = 'top'; - callback(new fabric.Line(points, extend(parsedAttributes, options))); + return new fabric.Line(points, extend(parsedAttributes, options)); }; /* _FROM_SVG_END_ */ @@ -15733,15 +15560,21 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Line * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Line} instance of fabric.Line */ - fabric.Line.fromObject = function(object, callback) { + fabric.Line.fromObject = function(object, callback, forceAsync) { function _callback(instance) { delete instance.points; callback && callback(instance); }; var options = clone(object, true); options.points = [object.x1, object.y1, object.x2, object.y2]; - fabric.Object._fromObject('Line', options, _callback, 'points'); + var line = fabric.Object._fromObject('Line', options, _callback, forceAsync, 'points'); + if (line) { + delete line.points; + } + return line; }; /** @@ -15962,10 +15795,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Circle * @param {SVGElement} element Element to parse * @param {Object} [options] Options object - * @param {Function} [callback] Options callback invoked after parsing is finished * @throws {Error} If value of `r` attribute is missing or invalid + * @return {fabric.Circle} Instance of fabric.Circle */ - fabric.Circle.fromElement = function(element, callback, options) { + fabric.Circle.fromElement = function(element, options) { options || (options = { }); var parsedAttributes = fabric.parseAttributes(element, fabric.Circle.ATTRIBUTE_NAMES); @@ -15978,7 +15811,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius; parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - callback(new fabric.Circle(extend(parsedAttributes, options))); + return new fabric.Circle(extend(parsedAttributes, options)); }; /** @@ -15995,10 +15828,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Circle * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first * @return {Object} Instance of fabric.Circle */ - fabric.Circle.fromObject = function(object, callback) { - return fabric.Object._fromObject('Circle', object, callback); + fabric.Circle.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Circle', object, callback, forceAsync); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16111,9 +15945,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Triangle * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Triangle} */ - fabric.Triangle.fromObject = function(object, callback) { - return fabric.Object._fromObject('Triangle', object, callback); + fabric.Triangle.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Triangle', object, callback, forceAsync); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16289,10 +16125,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Ellipse * @param {SVGElement} element Element to parse * @param {Object} [options] Options object - * @param {Function} [callback] Options callback invoked after parsing is finished * @return {fabric.Ellipse} */ - fabric.Ellipse.fromElement = function(element, callback, options) { + fabric.Ellipse.fromElement = function(element, options) { options || (options = { }); var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES); @@ -16301,7 +16136,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry; parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - callback(new fabric.Ellipse(extend(parsedAttributes, options))); + return new fabric.Ellipse(extend(parsedAttributes, options)); }; /* _FROM_SVG_END_ */ @@ -16311,10 +16146,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Ellipse * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as first argument + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first * @return {fabric.Ellipse} */ - fabric.Ellipse.fromObject = function(object, callback) { - return fabric.Object._fromObject('Ellipse', object, callback); + fabric.Ellipse.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Ellipse', object, callback, forceAsync); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16507,12 +16343,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @static * @memberOf fabric.Rect * @param {SVGElement} element Element to parse - * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object + * @return {fabric.Rect} Instance of fabric.Rect */ - fabric.Rect.fromElement = function(element, callback, options) { + fabric.Rect.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options = options || { }; @@ -16524,7 +16360,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot parsedAttributes.originY = 'top'; var rect = new fabric.Rect(extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes)); rect.visible = rect.visible && rect.width > 0 && rect.height > 0; - callback(rect); + return rect; }; /* _FROM_SVG_END_ */ @@ -16534,9 +16370,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Rect * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Rect instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {Object} instance of fabric.Rect */ - fabric.Rect.fromObject = function(object, callback) { - return fabric.Object._fromObject('Rect', object, callback); + fabric.Rect.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Rect', object, callback, forceAsync); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16765,20 +16603,20 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Returns fabric.Polyline instance from an SVG element * @static * @memberOf fabric.Polyline - * @param {SVGElement} element Element to parser - * @param {Function} callback callback function invoked after parsing + * @param {SVGElement} element Element to parse * @param {Object} [options] Options object + * @return {fabric.Polyline} Instance of fabric.Polyline */ - fabric.Polyline.fromElement = function(element, callback, options) { + fabric.Polyline.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options || (options = { }); var points = fabric.parsePointsAttribute(element.getAttribute('points')), parsedAttributes = fabric.parseAttributes(element, fabric.Polyline.ATTRIBUTE_NAMES); - callback(new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options))); + return new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options)); }; /* _FROM_SVG_END_ */ @@ -16788,9 +16626,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Polyline * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Polyline} Instance of fabric.Polyline */ - fabric.Polyline.fromObject = function(object, callback) { - return fabric.Object._fromObject('Polyline', object, callback, 'points'); + fabric.Polyline.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Polyline', object, callback, forceAsync, 'points'); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16860,12 +16700,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @static * @memberOf fabric.Polygon * @param {SVGElement} element Element to parse - * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object + * @return {fabric.Polygon} Instance of fabric.Polygon */ - fabric.Polygon.fromElement = function(element, callback, options) { + fabric.Polygon.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options || (options = { }); @@ -16873,7 +16713,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var points = fabric.parsePointsAttribute(element.getAttribute('points')), parsedAttributes = fabric.parseAttributes(element, fabric.Polygon.ATTRIBUTE_NAMES); - callback(new fabric.Polygon(points, extend(parsedAttributes, options))); + return new fabric.Polygon(points, extend(parsedAttributes, options)); }; /* _FROM_SVG_END_ */ @@ -16883,9 +16723,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Polygon * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Polygon} Instance of fabric.Polygon */ - fabric.Polygon.fromObject = function(object, callback) { - return fabric.Object._fromObject('Polygon', object, callback, 'points'); + fabric.Polygon.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Polygon', object, callback, forceAsync, 'points'); }; })(typeof exports !== 'undefined' ? exports : this); @@ -16922,11 +16764,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot return; } - var stateProperties = fabric.Object.prototype.stateProperties.concat(); - stateProperties.push('path'); - var cacheProperties = fabric.Object.prototype.cacheProperties.concat(); - cacheProperties.push('path', 'fillRule'); + cacheProperties.push('path'); /** * Path class @@ -16967,8 +16806,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot cacheProperties: cacheProperties, - stateProperties: stateProperties, - /** * Constructor * @param {Array|String} path Path data (sequence of coordinates and corresponding "command" tokens) @@ -16977,7 +16814,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ initialize: function(path, options) { options = options || { }; - this.callSuper('initialize', options); + + if (options) { + this.setOptions(options); + } if (!path) { path = []; @@ -16999,6 +16839,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } this._setPositionDimensions(options); + + if (this.objectCaching) { + this._createCacheCanvas(); + } }, /** @@ -17804,23 +17648,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @memberOf fabric.Path * @param {Object} object * @param {Function} [callback] Callback to invoke when an fabric.Path instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first */ - fabric.Path.fromObject = function(object, callback) { - if (typeof object.path === 'string') { - var pathUrl = object.path; - fabric.loadSVGFromURL(pathUrl, function (elements) { - var path = elements[0]; - delete object.path; - - path.setOptions(object); - path.setSourcePath(pathUrl); - - callback && callback(path); - }); - } - else { - fabric.Object._fromObject('Path', object, callback, 'path'); - } + fabric.Path.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Path', object, callback, forceAsync, 'path'); }; /* _FROM_SVG_START_ */ @@ -17839,16 +17670,24 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @param {SVGElement} element to parse * @param {Function} callback Callback to invoke when an fabric.Path instance is created * @param {Object} [options] Options object - * @param {Function} [callback] Options callback invoked after parsing is finished */ fabric.Path.fromElement = function(element, callback, options) { var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES); parsedAttributes.originX = 'left'; parsedAttributes.originY = 'top'; - callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); + callback && callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); }; /* _FROM_SVG_END_ */ + /** + * Indicates that instances of this type are async + * @static + * @memberOf fabric.Path + * @type Boolean + * @default + */ + fabric.Path.async = true; + })(typeof exports !== 'undefined' ? exports : this); @@ -17908,13 +17747,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ subTargetCheck: false, - /** - * Groups are container, do not render anything on theyr own, ence no cache properties - * @type Boolean - * @default - */ - cacheProperties: [], - /** * Constructor * @param {Object} objects Group objects @@ -18167,7 +17999,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot }, /** - * Decide if the object should cache or not. Create its own cache level + * Decide if the object should cache or not. * objectCaching is a global flag, wins over everything * needsItsOwnCache should be used when the object drawing method requires * a cache step. None of the fabric classes requires it. @@ -18175,17 +18007,17 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @return {Boolean} */ shouldCache: function() { - var ownCache = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); - this.ownCaching = ownCache; - if (ownCache) { + var parentCache = this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); + this.caching = parentCache; + if (parentCache) { for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { - this.ownCaching = false; + this.caching = false; return false; } } } - return ownCache; + return parentCache; }, /** @@ -18194,7 +18026,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ willDrawShadow: function() { if (this.shadow) { - return this.callSuper('willDrawShadow'); + return true; } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { @@ -18208,8 +18040,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Check if this group or its parent group are caching, recursively up * @return {Boolean} */ - isOnACache: function() { - return this.ownCaching || (this.group && this.group.isOnACache()); + isCaching: function() { + return this.caching || this.group && this.group.isCaching(); }, /** @@ -18234,11 +18066,8 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].isCacheDirty(true)) { - if (this._cacheCanvas) { - // if this group has not a cache canvas there is nothing to clean - var x = this.cacheWidth / this.zoomX, y = this.cacheHeight / this.zoomY; - this._cacheContext.clearRect(-x / 2, -y / 2, x, y); - } + var dim = this._getNonTransformedDimensions(); + this._cacheContext.clearRect(-dim.x / 2, -dim.y / 2, dim.x, dim.y); return true; } } @@ -18267,6 +18096,11 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @private */ _renderObject: function(object, ctx) { + // do not render if object is not visible + if (!object.visible) { + return; + } + var originalHasRotatingPoint = object.hasRotatingPoint; object.hasRotatingPoint = false; object.render(ctx); @@ -18471,6 +18305,15 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot }); }; + /** + * Indicates that instances of this type are async + * @static + * @memberOf fabric.Group + * @type Boolean + * @default + */ + fabric.Group.async = true; + })(typeof exports !== 'undefined' ? exports : this); @@ -18491,8 +18334,9 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var stateProperties = fabric.Object.prototype.stateProperties.concat(); stateProperties.push( - 'cropX', - 'cropY' + 'alignX', + 'alignY', + 'meetOrSlice' ); /** @@ -18519,6 +18363,33 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ crossOrigin: '', + /** + * AlignX value, part of preserveAspectRatio (one of "none", "mid", "min", "max") + * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute + * This parameter defines how the picture is aligned to its viewport when image element width differs from image width. + * @type String + * @default + */ + alignX: 'none', + + /** + * AlignY value, part of preserveAspectRatio (one of "none", "mid", "min", "max") + * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute + * This parameter defines how the picture is aligned to its viewport when image element height differs from image height. + * @type String + * @default + */ + alignY: 'none', + + /** + * meetOrSlice value, part of preserveAspectRatio (one of "meet", "slice"). + * if meet the image is always fully visibile, if slice the viewport is always filled with image. + * @see http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute + * @type String + * @default + */ + meetOrSlice: 'meet', + /** * Width of a stroke. * For image quality a stroke multiple of 2 gives better results. @@ -18590,22 +18461,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ cacheKey: '', - /** - * Image crop in pixels from original image size. - * since 2.0.0 - * @type Number - * @default - */ - cropX: 0, - - /** - * Image crop in pixels from original image size. - * since 2.0.0 - * @type Number - * @default - */ - cropY: 0, - /** * Constructor * @param {HTMLImageElement | String} element Image element @@ -18731,7 +18586,7 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot var object = extend( this.callSuper( 'toObject', - ['crossOrigin', 'cropX', 'cropY'].concat(propertiesToInclude) + ['crossOrigin', 'alignX', 'alignY', 'meetOrSlice'].concat(propertiesToInclude) ), { src: this.getSrc(), filters: filters, @@ -18753,7 +18608,10 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot */ toSVG: function(reviver) { var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, - filtered = true; + preserveAspectRatio = 'none', filtered = true; + if (this.alignX !== 'none' && this.alignY !== 'none') { + preserveAspectRatio = 'x' + this.alignX + 'Y' + this.alignY + ' ' + this.meetOrSlice; + } markup.push( '\n', '\n' ); @@ -18925,7 +18784,13 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * @param {CanvasRenderingContext2D} ctx Context to render on */ _render: function(ctx) { - var x = -this.width / 2, y = -this.height / 2, elementToDraw; + var x = -this.width / 2, y = -this.height / 2, imageMargins = this._findMargins(), elementToDraw; + + if (this.meetOrSlice === 'slice') { + ctx.beginPath(); + ctx.rect(x, y, this.width, this.height); + ctx.clip(); + } if (this.isMoving === false && this.resizeFilter && this._needsResize()) { this._lastScaleX = this.scaleX; @@ -18934,8 +18799,12 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot } elementToDraw = this._element; elementToDraw && ctx.drawImage(elementToDraw, - this.cropX, this.cropY, this.width, this.height, - x, y, this.width, this.height); + x + imageMargins.marginX, + y + imageMargins.marginY, + imageMargins.width, + imageMargins.height + ); + this._stroke(ctx); this._renderStroke(ctx); }, @@ -18947,6 +18816,40 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot return (this.scaleX !== this._lastScaleX || this.scaleY !== this._lastScaleY); }, + /** + * @private + */ + _findMargins: function() { + var width = this.width, height = this.height, scales, + scale, marginX = 0, marginY = 0; + + if (this.alignX !== 'none' || this.alignY !== 'none') { + scales = [this.width / this._element.width, this.height / this._element.height]; + scale = this.meetOrSlice === 'meet' + ? Math.min.apply(null, scales) : Math.max.apply(null, scales); + width = this._element.width * scale; + height = this._element.height * scale; + if (this.alignX === 'Mid') { + marginX = (this.width - width) / 2; + } + if (this.alignX === 'Max') { + marginX = this.width - width; + } + if (this.alignY === 'Mid') { + marginY = (this.height - height) / 2; + } + if (this.alignY === 'Max') { + marginY = this.height - height; + } + } + return { + width: width, + height: height, + marginX: marginX, + marginY: marginY + }; + }, + /** * @private */ @@ -19015,55 +18918,6 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot ? this.getElement().height || 0 : 0); }, - - parsePreserveAspectRatioAttribute: function() { - if (!this.preserveAspectRatio) { - return; - } - var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio), - width = this._element.width, height = this._element.height, scale, - pWidth = this.width, pHeight = this.height, parsedAttributes = { width: pWidth, height: pHeight }; - if (pAR && (pAR.alignX !== 'none' || pAR.alignY !== 'none')) { - if (pAR.meetOrSlice === 'meet') { - this.width = width; - this.height = height; - this.scaleX = this.scaleY = scale = fabric.util.findScaleToFit(this._element, parsedAttributes); - if (pAR.alignX === 'Mid') { - this.left += (pWidth - width * scale) / 2; - } - if (pAR.alignX === 'Max') { - this.left += pWidth - width * scale; - } - if (pAR.alignY === 'Mid') { - this.top += (pHeight - height * scale) / 2; - } - if (pAR.alignY === 'Max') { - this.top += pHeight - height * scale; - } - } - if (pAR.meetOrSlice === 'slice') { - this.scaleX = this.scaleY = scale = fabric.util.findScaleToCover(this._element, parsedAttributes); - this.width = pWidth / scale; - this.height = pHeight / scale; - if (pAR.alignX === 'Mid') { - this.cropX = (width - this.width) / 2; - } - if (pAR.alignX === 'Max') { - this.cropX = width - this.width; - } - if (pAR.alignY === 'Mid') { - this.cropY = (height - this.height) / 2; - } - if (pAR.alignY === 'Max') { - this.cropY = height - this.height; - } - } - } - else { - this.scaleX = pWidth / width; - this.scaleY = pHeight / height; - } - } }); /** @@ -19129,18 +18983,40 @@ fabric.util.object.extend(fabric.Object.prototype, /** @lends fabric.Object.prot * Returns {@link fabric.Image} instance from an SVG element * @static * @param {SVGElement} element Element to parse - * @param {Object} [options] Options object * @param {Function} callback Callback to execute when fabric.Image object is created + * @param {Object} [options] Options object * @return {fabric.Image} Instance of fabric.Image */ fabric.Image.fromElement = function(element, callback, options) { - var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES); + var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES), + preserveAR; + + if (parsedAttributes.preserveAspectRatio) { + preserveAR = fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio); + extend(parsedAttributes, preserveAR); + } fabric.Image.fromURL(parsedAttributes['xlink:href'], callback, extend((options ? fabric.util.object.clone(options) : { }), parsedAttributes)); }; /* _FROM_SVG_END_ */ + /** + * Indicates that instances of this type are async + * @static + * @type Boolean + * @default + */ + fabric.Image.async = true; + + /** + * Indicates compression level used when generating PNG under Node (in applyFilters). Any of 0-9 + * @static + * @type Number + * @default + */ + fabric.Image.pngCompression = 1; + })(typeof exports !== 'undefined' ? exports : this); @@ -19711,8 +19587,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass(/** @lends fabric.Imag var attributeLocations = this.getAttributeLocations(gl, program); var uniformLocations = this.getUniformLocations(gl, program) || { }; - uniformLocations.uStepW = gl.getUniformLocation(program, 'uStepW'); - uniformLocations.uStepH = gl.getUniformLocation(program, 'uStepH'); + uniformLocations.uWidth = gl.getUniformLocation(program, 'uWidth'); + uniformLocations.uHeight = gl.getUniformLocation(program, 'uHeight'); return { program: program, attributeLocations: attributeLocations, @@ -20860,7 +20736,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { */ fragmentSource: 'precision highp float;\n' + 'uniform sampler2D uTexture;\n' + - 'uniform float uStepH;\n' + + 'uniform float uHeight;\n' + 'uniform float uNoise;\n' + 'uniform float uSeed;\n' + 'varying vec2 vTexCoord;\n' + @@ -20869,7 +20745,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { '}\n' + 'void main() {\n' + 'vec4 color = texture2D(uTexture, vTexCoord);\n' + - 'color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\n' + + 'color.rgb += (0.5 - rand(vTexCoord, uSeed, uHeight / 10.0)) * uNoise;\n' + 'gl_FragColor = color;\n' + '}', @@ -21065,8 +20941,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { getUniformLocations: function(gl, program) { return { uBlocksize: gl.getUniformLocation(program, 'uBlocksize'), - uStepW: gl.getUniformLocation(program, 'uStepW'), - uStepH: gl.getUniformLocation(program, 'uStepH'), + uWidth: gl.getUniformLocation(program, 'uWidth'), + uHeight: gl.getUniformLocation(program, 'uHeight'), }; }, @@ -21628,7 +21504,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { */ toObject: function() { return { - type: this.type, color: this.color, mode: this.mode, alpha: this.alpha @@ -24179,12 +24054,12 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @static * @memberOf fabric.Text * @param {SVGElement} element Element to parse - * @param {Function} callback callback function invoked after parsing * @param {Object} [options] Options object + * @return {fabric.Text} Instance of fabric.Text */ - fabric.Text.fromElement = function(element, callback, options) { + fabric.Text.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES); @@ -24260,7 +24135,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); text.originX = 'left'; text.originY = 'top'; - callback(text); + return text; }; /* _FROM_SVG_END_ */ @@ -24270,9 +24145,11 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @memberOf fabric.Text * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Text instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Text} Instance of fabric.Text */ - fabric.Text.fromObject = function(object, callback) { - return fabric.Object._fromObject('Text', object, callback, 'text'); + fabric.Text.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Text', object, callback, forceAsync, 'text'); }; fabric.util.createAccessors(fabric.Text); @@ -24556,7 +24433,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @private */ initDimensions: function() { - this.isEditing && this.initDelayedCursor(); + this.abortCursorAnimation(); this.clearContextTop(); this.callSuper('initDimensions'); }, @@ -24846,8 +24723,10 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { * @memberOf fabric.IText * @param {Object} object Object to create an instance from * @param {function} [callback] invoked with new instance as argument + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.IText} instance of fabric.IText */ - fabric.IText.fromObject = function(object, callback) { + fabric.IText.fromObject = function(object, callback, forceAsync) { parseDecoration(object); if (object.styles) { for (var i in object.styles) { @@ -24856,7 +24735,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } } } - fabric.Object._fromObject('IText', object, callback, 'text'); + return fabric.Object._fromObject('IText', object, callback, forceAsync, 'text'); }; })(); @@ -25210,7 +25089,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } this.canvas.fire('text:editing:entered', { target: this }); this.initMouseMoveHandler(); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); return this; }, @@ -25770,6 +25649,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('tripleclick', options); this._stopEvent(options.e); } + else if (this.isDoubleClick(newPointer)) { + this.fire('dblclick', options); + this._stopEvent(options.e); + } + this.__lastLastClickTime = this.__lastClickTime; this.__lastClickTime = this.__newClickTime; this.__lastPointer = newPointer; @@ -25777,6 +25661,12 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.__lastSelected = this.selected; }, + isDoubleClick: function(newPointer) { + return this.__newClickTime - this.__lastClickTime < 500 && + this.__lastPointer.x === newPointer.x && + this.__lastPointer.y === newPointer.y && this.__lastIsEditing; + }, + isTripleClick: function(newPointer) { return this.__newClickTime - this.__lastClickTime < 500 && this.__lastClickTime - this.__lastLastClickTime < 500 && @@ -25805,7 +25695,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot * Initializes double and triple click event handlers */ initClicks: function() { - this.on('mousedblclick', function(options) { + this.on('dblclick', function(options) { this.selectWord(this.getSelectionStartFromPointer(options.e)); }); this.on('tripleclick', function(options) { @@ -25972,7 +25862,6 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.hiddenTextarea.setAttribute('autocorrect', 'off'); this.hiddenTextarea.setAttribute('autocomplete', 'off'); this.hiddenTextarea.setAttribute('spellcheck', 'false'); - this.hiddenTextarea.setAttribute('data-fabric-hiddentextarea', ''); var style = this._calcTextareaPosition(); this.hiddenTextarea.style.cssText = 'white-space: nowrap; position: absolute; top: ' + style.top + @@ -25997,17 +25886,9 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot }, /** - * For functionalities on keyDown - * Map a special key to a function of the instance/prototype - * If you need different behaviour for ESC or TAB or arrows, you have to change - * this map setting the name of a function that you build on the fabric.Itext or - * your prototype. - * the map change will affect all Instances unless you need for only some text Instances - * in that case you have to clone this object and assign your Instance. - * this.keysMap = fabric.util.object.clone(this.keysMap); - * The function must be in fabric.Itext.prototype.myFunction And will receive event as args[0] + * @private */ - keysMap: { + _keysMap: { 9: 'exitEditing', 27: 'exitEditing', 33: 'moveCursorUp', @@ -26021,17 +25902,17 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot }, /** - * For functionalities on keyUp + ctrl || cmd + * @private */ - ctrlKeysMapUp: { + _ctrlKeysMapUp: { 67: 'copy', 88: 'cut' }, /** - * For functionalities on keyDown + ctrl || cmd + * @private */ - ctrlKeysMapDown: { + _ctrlKeysMapDown: { 65: 'selectAll' }, @@ -26048,11 +25929,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot if (!this.isEditing　|| this.inCompositionMode) { return; } - if (e.keyCode in this.keysMap) { - this[this.keysMap[e.keyCode]](e); + if (e.keyCode in this._keysMap) { + this[this._keysMap[e.keyCode]](e); } - else if ((e.keyCode in this.ctrlKeysMapDown) && (e.ctrlKey || e.metaKey)) { - this[this.ctrlKeysMapDown[e.keyCode]](e); + else if ((e.keyCode in this._ctrlKeysMapDown) && (e.ctrlKey || e.metaKey)) { + this[this._ctrlKeysMapDown[e.keyCode]](e); } else { return; @@ -26065,7 +25946,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.renderCursorOrSelection(); } else { - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); } }, @@ -26080,15 +25961,15 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this._copyDone = false; return; } - if ((e.keyCode in this.ctrlKeysMapUp) && (e.ctrlKey || e.metaKey)) { - this[this.ctrlKeysMapUp[e.keyCode]](e); + if ((e.keyCode in this._ctrlKeysMapUp) && (e.ctrlKey || e.metaKey)) { + this[this._ctrlKeysMapUp[e.keyCode]](e); } else { return; } e.stopImmediatePropagation(); e.preventDefault(); - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); }, /** @@ -26115,7 +25996,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('changed'); if (this.canvas) { this.canvas.fire('text:changed', { target: this }); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); } } @@ -26156,7 +26037,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this.fire('changed'); if (this.canvas) { this.canvas.fire('text:changed', { target: this }); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); } }, /** @@ -26564,7 +26445,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot this._removeExtraneousStyles(); - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); this.setCoords(); this.fire('changed'); @@ -26867,6 +26748,11 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot */ __cachedLines: null, + /** + * Override standard Object class values + */ + lockScalingY: true, + /** * Override standard Object class values */ @@ -26889,6 +26775,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot initialize: function(text, options) { this.callSuper('initialize', text, options); + this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); this.ctx = this.objectCaching ? this._cacheContext : fabric.util.createCanvasElement().getContext('2d'); // add width to this list of props that effect line wrapping. this._dimensionAffectingProps.push('width'); @@ -26904,7 +26791,7 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot if (this.__skipDimension) { return; } - this.isEditing && this.initDelayedCursor(); + this.initDelayedCursor(); this.clearContextTop(); this._clearCache(); // clear dynamicMinWidth as it will be different after we re-wrap line @@ -27169,6 +27056,25 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot return newText; }, + /** + * When part of a group, we don't want the Textbox's scale to increase if + * the group's increases. That's why we reduce the scale of the Textbox by + * the amount that the group's increases. This is to maintain the effective + * scale of the Textbox at 1, so that font-size values make sense. Otherwise + * the same font-size value would result in different actual size depending + * on the value of the scale. + * @param {String} key + * @param {*} value + */ + setOnGroup: function(key, value) { + if (key === 'scaleX') { + this.set('scaleX', Math.abs(1 / value)); + this.set('width', (this.get('width') * value) / + (typeof this.__oldScaleX === 'undefined' ? 1 : this.__oldScaleX)); + this.__oldScaleX = value; + } + }, + getMinWidth: function() { return Math.max(this.minWidth, this.dynamicMinWidth); }, @@ -27190,10 +27096,31 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot * @memberOf fabric.Textbox * @param {Object} object Object to create an instance from * @param {Function} [callback] Callback to invoke when an fabric.Textbox instance is created + * @param {Boolean} [forceAsync] Force an async behaviour trying to create pattern first + * @return {fabric.Textbox} instance of fabric.Textbox + */ + fabric.Textbox.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject('Textbox', object, callback, forceAsync, 'text'); + }; + + /** + * Returns the default controls visibility required for Textboxes. + * @returns {Object} */ - fabric.Textbox.fromObject = function(object, callback) { - return fabric.Object._fromObject('Textbox', object, callback, 'text'); + fabric.Textbox.getTextboxControlVisibility = function() { + return { + tl: false, + tr: false, + br: false, + bl: false, + ml: true, + mt: false, + mr: true, + mb: false, + mtr: true + }; }; + })(typeof exports !== 'undefined' ? exports : this); @@ -27209,9 +27136,8 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot lockScalingX, lockScalingY, by, lockScalingFlip, _dim) { var t = transform.target; - if (by === 'x' && t instanceof fabric.Textbox) { - var tw = t._getTransformedDimensions().x; - var w = t.width * (localMouse.x / tw); + if (t instanceof fabric.Textbox) { + var w = t.width * ((localMouse.x / transform.scaleX) / (t.width + t.strokeWidth)); if (w >= t.getMinWidth()) { t.set('width', w); return true; @@ -27223,6 +27149,23 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot } }; + /** + * Sets controls of this group to the Textbox's special configuration if + * one is present in the group. Deletes _controlsVisibility otherwise, so that + * it gets initialized to default value at runtime. + */ + fabric.Group.prototype._refreshControlsVisibility = function() { + if (typeof fabric.Textbox === 'undefined') { + return; + } + for (var i = this._objects.length; i--;) { + if (this._objects[i] instanceof fabric.Textbox) { + this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); + return; + } + } + }; + fabric.util.object.extend(fabric.Textbox.prototype, /** @lends fabric.IText.prototype */ { /** * @private @@ -27450,4 +27393,3 @@ fabric.util.object.extend(fabric.IText.prototype, /** @lends fabric.IText.protot } })(); - diff --git a/dist/fabric.min.js b/dist/fabric.min.js index e65e44ba2a9..bce268d6988 100644 --- a/dist/fabric.min.js +++ b/dist/fabric.min.js @@ -1,9 +1,9 @@ -var fabric=fabric||{version:"2.0.0-beta2"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas",fabric.perfLimitSizeTotal=2097152,fabric.maxCacheSideLimit=4096,fabric.minCacheSideLimit=256,fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)&&fabric.enableGLFiltering?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t},createImage:function(){return fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Function("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?P-=2*f:1===c&&P<0&&(P+=2*f);for(var M=Math.ceil(Math.abs(P/f*2)),L=[],I=P/M,F=8/3*Math.sin(I/4)*Math.sin(I/4)/Math.sin(I/2),R=A+I,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=Math.sqrt,y=Math.min,x=Math.max,C=Math.abs,S=[],w=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var T=0;T<2;++T)if(T>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0=e})}function i(t,e){return n(t,e,function(t,e){return t/g,">")}function r(t){for(var e,i=0,r=[],i=0;i57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var s=null,a=r.call(arguments,0);"function"==typeof a[0]&&(s=a.shift()),i.superclass=s,i.subclasses=[],s&&(t.prototype=s.prototype,i.prototype=new t,s.subclasses.push(i));for(var h=0,c=a.length;h-1?t.prototype[r]=function(t){return function(){var r=this.constructor.superclass;this.constructor.superclass=i;var n=e[t].apply(this,arguments);if(this.constructor.superclass=r,"initialize"!==t)return n}}(r):t.prototype[r]=e[r],s&&(e.toString!==Object.prototype.toString&&(t.prototype.toString=e.toString),e.valueOf!==Object.prototype.valueOf&&(t.prototype.valueOf=e.valueOf))};fabric.util.createClass=i}(),function(){function t(t){var e,i,r=Array.prototype.slice.call(arguments,1),n=r.length;for(i=0;i-1?s(t,e.match(/opacity:\s*(\d?\.?\d*)/)[1]):t;for(var r in e)if("opacity"===r)s(t,e[r]);else{var n="float"===r||"cssFloat"===r?"undefined"==typeof i.styleFloat?"cssFloat":"styleFloat":r;i[n]=e[r]}return t}var e=fabric.document.createElement("div"),i="string"==typeof e.style.opacity,r="string"==typeof e.style.filter,n=/alpha\s*\(\s*opacity\s*=\s*([^\)]+)\)/,s=function(t){return t};i?s=function(t,e){return t.style.opacity=e,t}:r&&(s=function(t,e){var i=t.style;return t.currentStyle&&!t.currentStyle.hasLayout&&(i.zoom=1),n.test(i.filter)?(e=e>=.9999?"":"alpha(opacity="+100*e+")",i.filter=i.filter.replace(n,e)):i.filter+=" alpha(opacity="+100*e+")",t}),fabric.util.setStyle=t}(),function(){function t(t){return"string"==typeof t?fabric.document.getElementById(t):t}function e(t,e){var i=fabric.document.createElement(t);for(var r in e)"class"===r?i.className=e[r]:"for"===r?i.htmlFor=e[r]:i.setAttribute(r,e[r]);return i}function i(t,e){t&&(" "+t.className+" ").indexOf(" "+e+" ")===-1&&(t.className+=(t.className?" 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a.call(t,0)};try{o=h(fabric.document.childNodes)instanceof Array}catch(t){}o||(h=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var c;c=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in 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r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}function e(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){var o=n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2));return t(i,r,o)}}))}fabric.util.animateColor=e}(),function(){function t(t,e,i,r){return ta?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return y;if((f||d)&&(x=" translate("+_(f)+" "+_(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") ","svg"===t.nodeName){for(n=t.ownerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else n=t,r=n.getAttribute("transform")+r;return n.setAttribute("transform",r),y}function g(t,e){for(;t&&(t=t.parentNode);)if(t.nodeName&&e.test(t.nodeName.replace("svg:",""))&&!t.getAttribute("instantiated_by_use"))return!0;return!1}var p=t.fabric||(t.fabric={}),v=p.util.object.extend,m=p.util.object.clone,b=p.util.toFixed,_=p.util.parseUnit,y=p.util.multiplyTransformMatrices,x=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,C=/^(symbol|image|marker|pattern|view|svg)$/i,S=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,w=/^(symbol|g|a|svg)$/i,T={ -cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit","stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},O={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))",h="(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))",c="(?:(rotate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))",l="(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",u="(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",f="(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))",d="(?:"+f+"|"+u+"|"+l+"|"+c+"|"+a+"|"+h+")",g="(?:"+d+"(?:"+o+"*"+d+")*)",v="^\\s*(?:"+g+"?)\\s*$",m=new RegExp(v),b=new RegExp(d,"g");return function(s){var o=n.concat(),a=[];if(!s||s&&!m.test(s))return o;s.replace(b,function(s){var h=new RegExp(d).exec(s).filter(function(t){return!!t}),c=h[1],l=h.slice(2).map(parseFloat);switch(c){case"translate":r(o,l);break;case"rotate":l[0]=p.util.degreesToRadians(l[0]),t(o,l);break;case"scale":e(o,l);break;case"skewX":i(o,l,2);break;case"skewY":i(o,l,1);break;case"matrix":o=l}a.push(o.concat()),o=n.concat()});for(var h=a[0];a.length>1;)a.shift(),h=p.util.multiplyTransformMatrices(h,a[0]);return h}}();var k=new RegExp("^\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*$");p.parseSVGDocument=function(t,e,i,r){if(t){f(t);var n=p.Object.__uid++,s=d(t),o=p.util.toArray(t.getElementsByTagName("*"));if(s.crossOrigin=r&&r.crossOrigin,s.svgUid=n,0===o.length&&p.isLikelyNode){o=t.selectNodes('//*[name(.)!="svg"]');for(var a=[],h=0,c=o.length;h/i,""))),n&&n.documentElement||e&&e(null),p.parseSVGDocument(n.documentElement,function(t,i,r,n){e&&e(t,i,r,n)},i,r)}t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.replace(//i,"")));p.parseSVGDocument(n.documentElement,function(t,i,r,n){e(t,i,r,n)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;tt.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r=n(this.coords,!0),s=n(this.colorStops,!0),o=r.r1>r.r2;s.sort(function(t,e){return t.offset-e.offset});for(var a in r)"x1"===a||"x2"===a?r[a]+=this.offsetX-t.width/2:"y1"!==a&&"y2"!==a||(r[a]+=this.offsetY-t.height/2);if(i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']),"radial"===this.type){if(o){s=s.concat(),s.reverse();for(var h=0;h0)for(var l=Math.max(r.r1,r.r2),u=c/l,h=0;h\n')}return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t){var e,i=fabric.util.object.clone(this.coords);if(this.type){"linear"===this.type?e=t.createLinearGradient(i.x1,i.y1,i.x2,i.y2):"radial"===this.type&&(e=t.createRadialGradient(i.x1,i.y1,i.r1,i.x2,i.y2,i.r2));for(var r=0,n=this.colorStops.length;r\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this.renderAndResetBound=this.renderAndReset.bind(this),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if("undefined"==typeof e.getContext)throw o;return e},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i=this._activeGroup,r=!1,n=!0;this.viewportTransform=t;for(var s=0,o=this._objects.length;s"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o,a="",h={},c=fabric.fontPaths,l=this.getObjects(),u=0,f=l.length;u',"\n",a,"","\n"].join("")),a},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll(),this},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&cs?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(this.targets=[],s&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&o===this._searchPossibleTargets([o],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl?this.upperCanvasEl.className="":this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){var e=this._activeObject;e&&(e.set("active",!1),t!==e&&e.onDeselect&&"function"==typeof e.onDeselect&&e.onDeselect()),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){var i=this.getActiveObject();return i&&i!==t&&i.fire("deselected",{e:e}),this._setActiveObject(t),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this.requestRenderAll(),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){var t=this._activeObject;t&&(t.set("active",!1),t.onDeselect&&"function"==typeof t.onDeselect&&t.onDeselect()),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t})),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return e&&(this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t})),this},deactivateAll:function(){for(var t,e=this.getObjects(),i=0,r=e.length;i1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.requestRenderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return n?this._setCornerCursor(n,e,t):this.setCursor(i),!0},_setCornerCursor:function(t,i,r){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,i,r));else{if("mtr"!==t||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t))},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i,e),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),this.fire("selection:created",{target:e,e:t}),this.requestRenderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.height||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t),n=this,s=this.renderOnAddRemove;return this.renderOnAddRemove=!1,this._enlivenObjects(r.objects,function(t){n.clear(),n._setBgOverlay(r,function(){t.forEach(function(t,e){n.insertAt(t,e)}),n.renderOnAddRemove=s,delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),n.renderAll(),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var r=function(){i.backgroundImage&&i.overlayImage&&i.backgroundColor&&i.overlayColor&&e&&e()};this.__setBgOverlay("backgroundImage",t.backgroundImage,i,r),this.__setBgOverlay("overlayImage",t.overlayImage,i,r),this.__setBgOverlay("backgroundColor",t.background,i,r),this.__setBgOverlay("overlayColor",t.overlay,i,r)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){return t&&0!==t.length?void fabric.util.enlivenObjects(t,function(t){e&&e(t)},null,i):void(e&&e([]))},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode,c=2;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY fillRule".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor".split(" "),initialize:function(t){t=t||{},t&&this.setOptions(t)},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_limitCacheSize:function(t){var i=e.perfLimitSizeTotal,r=e.cacheSideLimit,n=t.width,s=t.height,o=n/s,a=e.util.limitDimsByArea(o,i,r),h=e.util.capValue,c=e.maxCacheSideLimit,l=e.minCacheSideLimit,u=h(l,a.x,c),f=h(l,a.y,c);return n>u?(t.zoomX/=n/u,t.width=u):nf?(t.zoomY/=s/f,t.height=f):sg||s>p,m=(n<.9*g||s<.9*p)&&g>r&&p>r;d=v||m,v&&(u=.1*n&-2,f=.1*s&-2)}return!!l&&(d?(this._cacheCanvas.width=Math.max(Math.ceil(n)+u,r),this._cacheCanvas.height=Math.max(Math.ceil(s)+f,r),this.cacheTranslationX=(n+u)/2,this.cacheTranslationY=(s+f)/2):(this._cacheContext.setTransform(1,0,0,1,0,0),this._cacheContext.clearRect(0,0,this._cacheCanvas.width,this._cacheCanvas.height)),this.cacheWidth=n,this.cacheHeight=s,this._cacheContext.translate(this.cacheTranslationX,this.cacheTranslationY),this._cacheContext.scale(o,a),this.zoomX=o,this.zoomY=a,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.isOnACache()&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},isNotVisible:function(){return 0===this.opacity||0===this.width&&0===this.height||!this.visible},render:function(t){this.isNotVisible()||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.dirty=!1,this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},needsItsOwnCache:function(){return!1},shouldCache:function(){return this.ownCaching=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache()),this.ownCaching},willDrawShadow:function(){return!!this.shadow&&(0!==this.shadow.offsetX||0!==this.shadow.offsetY)},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheTranslationX,-this.cacheTranslationY)},isCacheDirty:function(t){if(this.isNotVisible())return!1;if(this._cacheCanvas&&!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(this._cacheCanvas&&!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group.transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n,s,a=this.getViewportTransform(),h=this.calcTransformMatrix();i=i||{},n="undefined"!=typeof i.hasBorders?i.hasBorders:this.hasBorders,s="undefined"!=typeof i.hasControls?i.hasControls:this.hasControls,h=e.util.multiplyTransformMatrices(a,h),r=e.util.qrDecompose(h),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(o(r.angle)),n&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),n&&this.drawBorders(t,i)),s&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(e.toLive){var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;t.translate(r,n),i&&t.transform.apply(t,i)}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();if(this.transformMatrix){var i=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",i.scaleX),this.set("scaleY",i.scaleY),this.angle=i.angle,this.skewX=i.skewX,this.skewY=0,t=e.util.transformPoint(t,this.transformMatrix)}this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){var r=this.toObject(i);this.constructor.fromObject?this.constructor.fromObject(r,t):e.Object._fromObject("Object",r,t)},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x, -y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s){var o=e[t];i=r(i,!0),e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=s?new o(i[s],i):new o(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x),this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var _=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),y=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(y.x+a*this.rotatingPointOffset,y.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=_,g.mt=y,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e=this.getCenterPoint(),r=[1,0,0,1,e.x,e.y],n=this._calcRotateMatrix(),s=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),o=this.group&&!t?this.group.calcTransformMatrix():fabric.iMatrix.concat();return o=i(o,r),o=i(o,n),o=i(o,s)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(t===i)return!0;if(Array.isArray(t)){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e,n){n=n||{};var s=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),o=[s.x1||0,s.y1||0,s.x2||0,s.y2||0];n.originX="left",n.originY="top",e(new i.Line(o,r(s,n)))},i.Line.fromObject=function(t,e){function r(t){delete t.points,e&&e(t)}var s=n(t,!0);s.points=[t.x1,t.y1,t.x2,t.y2],i.Object._fromObject("Line",s,r,"points")}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r,s){s||(s={});var o=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(o))throw new Error("value of `r` attribute is required and can not be negative");o.left=(o.left||0)-o.radius,o.top=(o.top||0)-o.radius,o.originX="left",o.originY="top",r(new i.Circle(n(o,s)))},i.Circle.fromObject=function(t,e){return i.Object._fromObject("Circle",t,e)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i){return e.Object._fromObject("Triangle",t,i)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i,n){n||(n={});var s=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);s.left=(s.left||0)-s.rx,s.top=(s.top||0)-s.ry,s.originX="left",s.originY="top",i(new e.Ellipse(r(s,n)))},e.Ellipse.fromObject=function(t,i){return e.Object._fromObject("Ellipse",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r,n){if(!t)return r(null);n=n||{};var s=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);s.left=s.left||0,s.top=s.top||0,s.originX="left",s.originY="top";var o=new e.Rect(i(n?e.util.object.clone(n):{},s));o.visible=o.visible&&o.width>0&&o.height>0,r(o)},e.Rect.fromObject=function(t,i){return e.Object._fromObject("Rect",t,i)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX),this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),s=n(t,"x"),o=n(t,"y");this.width=s-e||0,this.height=o-i||0,this.minX=e||0,this.minY=i||0},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){var e=n(this.callSuper("toObject",["sourcePath","pathOffset"].concat(t)),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var m=1,b=n.length;m"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache()||!this.group.isOnACache());if(this.ownCaching=t,t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in s){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var s=this.fill;this.fill=null,e.push("\n'),this.fill=s}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2;this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,this.cropX,this.cropY,this.width,this.height,i,r,this.width,this.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0},parsePreserveAspectRatioAttribute:function(){if(this.preserveAspectRatio){var t,e=fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio),i=this._element.width,r=this._element.height,n=this.width,s=this.height,o={width:n,height:s};!e||"none"===e.alignX&&"none"===e.alignY?(this.scaleX=n/i,this.scaleY=s/r):("meet"===e.meetOrSlice&&(this.width=i,this.height=r,this.scaleX=this.scaleY=t=fabric.util.findScaleToFit(this._element,o),"Mid"===e.alignX&&(this.left+=(n-i*t)/2),"Max"===e.alignX&&(this.left+=n-i*t),"Mid"===e.alignY&&(this.top+=(s-r*t)/2),"Max"===e.alignY&&(this.top+=s-r*t)),"slice"===e.meetOrSlice&&(this.scaleX=this.scaleY=t=fabric.util.findScaleToCover(this._element,o),this.width=n/t,this.height=s/t,"Mid"===e.alignX&&(this.cropX=(i-this.width)/2),"Max"===e.alignX&&(this.cropX=i-this.width),"Mid"===e.alignY&&(this.cropY=(r-this.height)/2),"Max"===e.alignY&&(this.cropY=r-this.height)))}}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);fabric.Image.fromURL(n["xlink:href"],i,e(r?fabric.util.object.clone(r):{},n))}}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1])},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a.canvas,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},copyGLTo2D:function(t,e){var i=e.getContext("2d");i.translate(0,e.height),i.scale(1,-1);var r=t.height-e.height;i.drawImage(t,0,r,e.width,e.height,0,0,e.width,e.height)},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2d uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uStepW=t.getUniformLocation(s,"uStepW"),a.uStepH=t.getUniformLocation(s,"uStepH"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;sy||o<0||o>_||(h=4*(a*_+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;el[0]&&n>l[1]&&s>l[2]&&rt)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,D,j,E,A,P,M;for(w.x=(t+.5)*m,T.x=r(w.x),a=0;a=e)){P=r(1e3*s(h-w.x)),S[P]||(S[P]={});for(var L=T.y-C;L<=T.y+C;L++)L<0||L>=o||(M=r(1e3*s(L-w.y)),S[P][M]||(S[P][M]=v(n(i(P*_,2)+i(M*y,2))/1e3)),u=S[P][M],u>0&&(O=4*(L*e+h),k+=u,D+=u*d[O],j+=u*d[O+1],E+=u*d[O+2],A+=u*d[O+3]))}O=4*(a*c+t),p[O]=D/k,p[O+1]=j/k,p[O+2]=E/k,p[O+3]=A/k}return++t1&&L<-1||(y=2*L*L*L-3*L*L+1,y>0&&(M=4*(P+D*e),O+=y*g[M+3],C+=y,g[M+3]<255&&(y=y*g[M+3]/250),S+=y*g[M],w+=y*g[M+1],T+=y*g[M+2],x+=y))}v[_]=S/x,v[_+1]=w/x,v[_+2]=T/x,v[_+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;ds)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;ri&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r,n){if(!t)return r(null);var s=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);if(n=e.util.object.extend(n?i(n):{},s),n.top=n.top||0,n.left=n.left||0,s.textDecoration){var o=s.textDecoration;o.indexOf("underline")!==-1&&(n.underline=!0),o.indexOf("overline")!==-1&&(n.overline=!0),o.indexOf("line-through")!==-1&&(n.linethrough=!0),delete n.textDecoration}"dx"in s&&(n.left+=s.dx),"dy"in s&&(n.top+=s.dy),"fontSize"in n||(n.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),n.originX||(n.originX="left");var a="";"textContent"in t?a=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(a=t.firstChild.data),a=a.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var h=new e.Text(a,n),c=h.getHeight()/h.height,l=(h.height+h.strokeWidth)*h.lineHeight-h.height,u=l*c,f=h.getHeight()+u,d=0;"center"===h.originX&&(d=h.getWidth()/2),"right"===h.originX&&(d=h.getWidth()),h.set({left:h.getLeft()-d,top:h.getTop()-(f-h.fontSize*(.18+h._fontSizeFraction))/h.lineHeight}),h.originX="left",h.originY="top",r(h)},e.Text.fromObject=function(t,i){return e.Object._fromObject("Text",t,i,"text")},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i){if(t(e),e.styles)for(var r in e.styles)for(var n in e.styles[r])t(e.styles[r][n]);fabric.Object._fromObject("IText",e,i,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1,this.callSuper("onDeselect")},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea()},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;ie&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&this.styles[e][i-1]&&(s=this.styles[e][i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){var s=this.styles[e],o=t(s);r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,s)if(n)for(;r--;)this.styles[e][i+r]=t(n[r]);else for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=0,s=0,o=0;ot&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)&&(this.fire("tripleclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("mousedblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;us?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false"),this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea","");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="white-space: nowrap; position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";", -fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},ctrlKeysMapUp:{67:"copy",88:"cut"},ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this.keysMap)this[this.keysMap[t.keyCode]](t);else{if(!(t.keyCode in this.ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this.ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.requestRenderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this.ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this.ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.requestRenderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd),a+=this.selectionEnd-this.selectionStart):oh.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.requestRenderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){if(this.selectionStart!==this.selectionEnd){var t=this.getSelectedText();fabric.copiedText=t,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),this._copyDone=!0}},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;he){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.requestRenderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(i),"\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s=h.getMinWidth()?(h.set("width",l),!0):void 0},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); \ No newline at end of file +var fabric=fabric||{version:"2.0.0-beta2"};"undefined"!=typeof exports&&(exports.fabric=fabric),"undefined"!=typeof document&&"undefined"!=typeof window?(fabric.document=document,fabric.window=window,window.fabric=fabric):(fabric.document=require("jsdom").jsdom(decodeURIComponent("%3C!DOCTYPE%20html%3E%3Chtml%3E%3Chead%3E%3C%2Fhead%3E%3Cbody%3E%3C%2Fbody%3E%3C%2Fhtml%3E"),{features:{FetchExternalResources:["img"]}}),fabric.window=fabric.document.defaultView),fabric.isTouchSupported="ontouchstart"in fabric.document.documentElement,fabric.isLikelyNode="undefined"!=typeof Buffer&&"undefined"==typeof window,fabric.SHARED_ATTRIBUTES=["display","transform","fill","fill-opacity","fill-rule","opacity","stroke","stroke-dasharray","stroke-linecap","stroke-linejoin","stroke-miterlimit","stroke-opacity","stroke-width","id"],fabric.DPI=96,fabric.reNum="(?:[-+]?(?:\\d+|\\d*\\.\\d+)(?:e[-+]?\\d+)?)",fabric.fontPaths={},fabric.iMatrix=[1,0,0,1,0,0],fabric.canvasModule="canvas-prebuilt",fabric.charWidthsCache={},fabric.textureSize=2048,fabric.enableGLFiltering=!0,fabric.devicePixelRatio=fabric.window.devicePixelRatio||fabric.window.webkitDevicePixelRatio||fabric.window.mozDevicePixelRatio||1,fabric.initFilterBackend=function(){return fabric.isWebglSupported&&fabric.isWebglSupported(fabric.textureSize)&&fabric.enableGLFiltering?(console.log("max texture size: "+fabric.maxTextureSize),new fabric.WebglFilterBackend({tileSize:fabric.textureSize})):fabric.Canvas2dFilterBackend?new fabric.Canvas2dFilterBackend:void 0},function(){function t(t,e){if(this.__eventListeners[t]){var i=this.__eventListeners[t];e?i[i.indexOf(e)]=!1:fabric.util.array.fill(i,!1)}}function e(t,e){if(this.__eventListeners||(this.__eventListeners={}),1===arguments.length)for(var i in t)this.on(i,t[i]);else this.__eventListeners[t]||(this.__eventListeners[t]=[]),this.__eventListeners[t].push(e);return this}function i(e,i){if(this.__eventListeners){if(0===arguments.length)for(e in this.__eventListeners)t.call(this,e);else if(1===arguments.length&&"object"==typeof arguments[0])for(var r in e)t.call(this,r,e[r]);else t.call(this,e,i);return this}}function r(t,e){if(this.__eventListeners){var i=this.__eventListeners[t];if(i){for(var r=0,n=i.length;r-1},complexity:function(){return this.getObjects().reduce(function(t,e){return t+=e.complexity?e.complexity():0},0)}},fabric.CommonMethods={_setOptions:function(t){for(var e in t)this.set(e,t[e])},_initGradient:function(t,e){!t||!t.colorStops||t instanceof fabric.Gradient||this.set(e,new fabric.Gradient(t))},_initPattern:function(t,e,i){!t||!t.source||t instanceof fabric.Pattern?i&&i():this.set(e,new fabric.Pattern(t,i))},_initClipping:function(t){if(t.clipTo&&"string"==typeof t.clipTo){var e=fabric.util.getFunctionBody(t.clipTo);"undefined"!=typeof e&&(this.clipTo=new Function("ctx",e))}},_setObject:function(t){for(var e in t)this._set(e,t[e])},set:function(t,e){return"object"==typeof t?this._setObject(t):"function"==typeof e&&"clipTo"!==t?this._set(t,e(this.get(t))):this._set(t,e),this},_set:function(t,e){this[t]=e},toggle:function(t){var e=this.get(t);return"boolean"==typeof e&&this.set(t,!e),this},get:function(t){return this[t]}},function(t){var e=Math.sqrt,i=Math.atan2,r=Math.pow,n=Math.abs,s=Math.PI/180;fabric.util={removeFromArray:function(t,e){var i=t.indexOf(e);return i!==-1&&t.splice(i,1),t},getRandomInt:function(t,e){return Math.floor(Math.random()*(e-t+1))+t},degreesToRadians:function(t){return t*s},radiansToDegrees:function(t){return t/s},rotatePoint:function(t,e,i){t.subtractEquals(e);var r=fabric.util.rotateVector(t,i);return new fabric.Point(r.x,r.y).addEquals(e)},rotateVector:function(t,e){var i=Math.sin(e),r=Math.cos(e),n=t.x*r-t.y*i,s=t.x*i+t.y*r;return{x:n,y:s}},transformPoint:function(t,e,i){return i?new fabric.Point(e[0]*t.x+e[2]*t.y,e[1]*t.x+e[3]*t.y):new fabric.Point(e[0]*t.x+e[2]*t.y+e[4],e[1]*t.x+e[3]*t.y+e[5])},makeBoundingBoxFromPoints:function(t){var e=[t[0].x,t[1].x,t[2].x,t[3].x],i=fabric.util.array.min(e),r=fabric.util.array.max(e),n=Math.abs(i-r),s=[t[0].y,t[1].y,t[2].y,t[3].y],o=fabric.util.array.min(s),a=fabric.util.array.max(s),h=Math.abs(o-a);return{left:i,top:o,width:n,height:h}},invertTransform:function(t){var e=1/(t[0]*t[3]-t[1]*t[2]),i=[e*t[3],-e*t[1],-e*t[2],e*t[0]],r=fabric.util.transformPoint({x:t[4],y:t[5]},i,!0);return i[4]=-r.x,i[5]=-r.y,i},toFixed:function(t,e){return parseFloat(Number(t).toFixed(e))},parseUnit:function(t,e){var i=/\D{0,2}$/.exec(t),r=parseFloat(t);switch(e||(e=fabric.Text.DEFAULT_SVG_FONT_SIZE),i[0]){case"mm":return r*fabric.DPI/25.4;case"cm":return r*fabric.DPI/2.54;case"in":return r*fabric.DPI;case"pt":return r*fabric.DPI/72;case"pc":return r*fabric.DPI/72*12;case"em":return r*e;default:return r}},falseFunction:function(){return!1},getKlass:function(t,e){return t=fabric.util.string.camelize(t.charAt(0).toUpperCase()+t.slice(1)),fabric.util.resolveNamespace(e)[t]},resolveNamespace:function(e){if(!e)return fabric;var i,r=e.split("."),n=r.length,s=t||fabric.window;for(i=0;ir;)r+=a[d++%f],r>l&&(r=l),t[g?"lineTo":"moveTo"](r,0),g=!g;t.restore()},createCanvasElement:function(t){return t||(t=fabric.document.createElement("canvas")),t},createImage:function(){return fabric.document.createElement("img")},createAccessors:function(t){var e,i,r,n,s,o=t.prototype;for(e=o.stateProperties.length;e--;)i=o.stateProperties[e],r=i.charAt(0).toUpperCase()+i.slice(1),n="set"+r,s="get"+r,o[s]||(o[s]=function(t){return new Function('return this.get("'+t+'")')}(i)),o[n]||(o[n]=function(t){return new Function("value",'return this.set("'+t+'", value)')}(i))},clipContext:function(t,e){e.save(),e.beginPath(),t.clipTo(e),e.clip()},multiplyTransformMatrices:function(t,e,i){return[t[0]*e[0]+t[2]*e[1],t[1]*e[0]+t[3]*e[1],t[0]*e[2]+t[2]*e[3],t[1]*e[2]+t[3]*e[3],i?0:t[0]*e[4]+t[2]*e[5]+t[4],i?0:t[1]*e[4]+t[3]*e[5]+t[5]]},qrDecompose:function(t){var n=i(t[1],t[0]),o=r(t[0],2)+r(t[1],2),a=e(o),h=(t[0]*t[3]-t[2]*t[1])/a,c=i(t[0]*t[2]+t[1]*t[3],o);return{angle:n/s,scaleX:a,scaleY:h,skewX:c/s,skewY:0,translateX:t[4],translateY:t[5]}},customTransformMatrix:function(t,e,i){var r=[1,0,n(Math.tan(i*s)),1],o=[n(t),0,0,n(e)];return fabric.util.multiplyTransformMatrices(o,r,!0)},resetObjectTransform:function(t){t.scaleX=1,t.scaleY=1,t.skewX=0,t.skewY=0,t.flipX=!1,t.flipY=!1,t.setAngle(0)},getFunctionBody:function(t){return(String(t).match(/function[^{]*\{([\s\S]*)\}/)||{})[1]},isTransparent:function(t,e,i,r){r>0&&(e>r?e-=r:e=0,i>r?i-=r:i=0);var n,s,o=!0,a=t.getImageData(e,i,2*r||1,2*r||1),h=a.data.length;for(n=3;n0?A-=2*f:1===c&&A<0&&(A+=2*f);for(var M=Math.ceil(Math.abs(A/f*2)),L=[],I=A/M,F=8/3*Math.sin(I/4)*Math.sin(I/4)/Math.sin(I/2),R=P+I,B=0;B=n?s-n:2*Math.PI-(n-s)}function r(t,e,i,r,n,s,h,c){var l=a.call(arguments);if(o[l])return o[l];var u,f,d,g,p,v,m,b,_=Math.sqrt,y=Math.min,x=Math.max,C=Math.abs,S=[],T=[[],[]];f=6*t-12*i+6*n,u=-3*t+9*i-9*n+3*h,d=3*i-3*t;for(var w=0;w<2;++w)if(w>0&&(f=6*e-12*r+6*s,u=-3*e+9*r-9*s+3*c,d=3*r-3*e),C(u)<1e-12){if(C(f)<1e-12)continue;g=-d/f,0=e})}function i(t,e){return n(t,e,function(t,e){return t/g,">")}function r(t){for(var e,i=0,r=[],i=0;i57343)return t.charAt(e);if(55296<=i&&i<=56319){if(t.length<=e+1)throw"High surrogate without following low surrogate";var r=t.charCodeAt(e+1);if(56320>r||r>57343)throw"High surrogate without following low surrogate";return t.charAt(e)+t.charAt(e+1)}if(0===e)throw"Low surrogate without preceding high surrogate";var n=t.charCodeAt(e-1);if(55296>n||n>56319)throw"Low surrogate without preceding high surrogate";return!1}fabric.util.string={camelize:t,capitalize:e,escapeXml:i,graphemeSplit:r}}(),function(){function t(){}function e(t){for(var e=null,i=this;i.constructor.superclass;){var n=i.constructor.superclass.prototype[t];if(i[t]!==n){e=n;break}i=i.constructor.superclass.prototype}return e?arguments.length>1?e.apply(this,r.call(arguments,1)):e.call(this):console.log("tried to callSuper "+t+", method not found in prototype chain",this)}function i(){function i(){this.initialize.apply(this,arguments)}var s=null,a=r.call(arguments,0);"function"==typeof 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a.call(t,0)};try{o=h(fabric.document.childNodes)instanceof Array}catch(t){}o||(h=function(t){for(var e=new Array(t.length),i=t.length;i--;)e[i]=t[i];return e});var c;c=fabric.document.defaultView&&fabric.document.defaultView.getComputedStyle?function(t,e){var i=fabric.document.defaultView.getComputedStyle(t,null);return i?i[e]:void 0}:function(t,e){var i=t.style[e];return!i&&t.currentStyle&&(i=t.currentStyle[e]),i},function(){function t(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=fabric.util.falseFunction),r?t.style[r]="none":"string"==typeof t.unselectable&&(t.unselectable="on"),t}function e(t){return"undefined"!=typeof t.onselectstart&&(t.onselectstart=null),r?t.style[r]="":"string"==typeof t.unselectable&&(t.unselectable=""),t}var i=fabric.document.documentElement.style,r="userSelect"in i?"userSelect":"MozUserSelect"in i?"MozUserSelect":"WebkitUserSelect"in i?"WebkitUserSelect":"KhtmlUserSelect"in i?"KhtmlUserSelect":"";fabric.util.makeElementUnselectable=t,fabric.util.makeElementSelectable=e}(),function(){function t(t,e){var i=fabric.document.getElementsByTagName("head")[0],r=fabric.document.createElement("script"),n=!0;r.onload=r.onreadystatechange=function(t){if(n){if("string"==typeof this.readyState&&"loaded"!==this.readyState&&"complete"!==this.readyState)return;n=!1,e(t||fabric.window.event),r=r.onload=r.onreadystatechange=null}},r.src=t,i.appendChild(r)}fabric.util.getScript=t}(),fabric.util.getById=t,fabric.util.toArray=h,fabric.util.makeElement=e,fabric.util.addClass=i,fabric.util.wrapElement=r,fabric.util.getScrollLeftTop=n,fabric.util.getElementOffset=s,fabric.util.getElementStyle=c}(),function(){function t(t,e){return t+(/\?/.test(t)?"&":"?")+e}function e(){}function i(i,n){n||(n={});var s=n.method?n.method.toUpperCase():"GET",o=n.onComplete||function(){},a=r(),h=n.body||n.parameters;return 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r+=","+(t&&e?parseFloat(t[3]+i*(e[3]-t[3])):1),r+=")"}function e(e,i,r,n){var s=new fabric.Color(e).getSource(),o=new fabric.Color(i).getSource();n=n||{},fabric.util.animate(fabric.util.object.extend(n,{duration:r||500,startValue:s,endValue:o,byValue:o,easing:function(e,i,r,s){var o=n.colorEasing?n.colorEasing(e,s):1-Math.cos(e/s*(Math.PI/2));return t(i,r,o)}}))}fabric.util.animateColor=e}(),function(){function t(t,e,i,r){return ta?a:o),1===o&&1===a&&0===h&&0===c&&0===f&&0===d)return y;if((f||d)&&(x=" translate("+_(f)+" "+_(d)+") "),r=x+" matrix("+o+" 0 0 "+a+" "+h*o+" "+c*a+") ","svg"===t.nodeName){for(n=t.ownerDocument.createElement("g");t.firstChild;)n.appendChild(t.firstChild);t.appendChild(n)}else n=t,r=n.getAttribute("transform")+r;return n.setAttribute("transform",r),y}function g(t,e){for(;t&&(t=t.parentNode);)if(t.nodeName&&e.test(t.nodeName.replace("svg:",""))&&!t.getAttribute("instantiated_by_use"))return!0;return!1}var p=t.fabric||(t.fabric={}),v=p.util.object.extend,m=p.util.object.clone,b=p.util.toFixed,_=p.util.parseUnit,y=p.util.multiplyTransformMatrices,x=/^(path|circle|polygon|polyline|ellipse|rect|line|image|text)$/i,C=/^(symbol|image|marker|pattern|view|svg)$/i,S=/^(?:pattern|defs|symbol|metadata|clipPath|mask)$/i,T=/^(symbol|g|a|svg)$/i,w={cx:"left",x:"left",r:"radius",cy:"top",y:"top",display:"visible",visibility:"visible",transform:"transformMatrix","fill-opacity":"fillOpacity","fill-rule":"fillRule","font-family":"fontFamily","font-size":"fontSize","font-style":"fontStyle","font-weight":"fontWeight","stroke-dasharray":"strokeDashArray","stroke-linecap":"strokeLineCap","stroke-linejoin":"strokeLineJoin","stroke-miterlimit":"strokeMiterLimit", +"stroke-opacity":"strokeOpacity","stroke-width":"strokeWidth","text-decoration":"textDecoration","text-anchor":"originX",opacity:"opacity"},O={stroke:"strokeOpacity",fill:"fillOpacity"};p.cssRules={},p.gradientDefs={},p.parseTransformAttribute=function(){function t(t,e){var i=Math.cos(e[0]),r=Math.sin(e[0]),n=0,s=0;3===e.length&&(n=e[1],s=e[2]),t[0]=i,t[1]=r,t[2]=-r,t[3]=i,t[4]=n-(i*n-r*s),t[5]=s-(r*n+i*s)}function e(t,e){var i=e[0],r=2===e.length?e[1]:e[0];t[0]=i,t[3]=r}function i(t,e,i){t[i]=Math.tan(p.util.degreesToRadians(e[0]))}function r(t,e){t[4]=e[0],2===e.length&&(t[5]=e[1])}var n=[1,0,0,1,0,0],s=p.reNum,o="(?:\\s+,?\\s*|,\\s*)",a="(?:(skewX)\\s*\\(\\s*("+s+")\\s*\\))",h="(?:(skewY)\\s*\\(\\s*("+s+")\\s*\\))",c="(?:(rotate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+")"+o+"("+s+"))?\\s*\\))",l="(?:(scale)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",u="(?:(translate)\\s*\\(\\s*("+s+")(?:"+o+"("+s+"))?\\s*\\))",f="(?:(matrix)\\s*\\(\\s*("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")"+o+"("+s+")\\s*\\))",d="(?:"+f+"|"+u+"|"+l+"|"+c+"|"+a+"|"+h+")",g="(?:"+d+"(?:"+o+"*"+d+")*)",v="^\\s*(?:"+g+"?)\\s*$",m=new RegExp(v),b=new RegExp(d,"g");return function(s){var o=n.concat(),a=[];if(!s||s&&!m.test(s))return o;s.replace(b,function(s){var h=new RegExp(d).exec(s).filter(function(t){return!!t}),c=h[1],l=h.slice(2).map(parseFloat);switch(c){case"translate":r(o,l);break;case"rotate":l[0]=p.util.degreesToRadians(l[0]),t(o,l);break;case"scale":e(o,l);break;case"skewX":i(o,l,2);break;case"skewY":i(o,l,1);break;case"matrix":o=l}a.push(o.concat()),o=n.concat()});for(var h=a[0];a.length>1;)a.shift(),h=p.util.multiplyTransformMatrices(h,a[0]);return h}}();var k=new RegExp("^\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*,?\\s*("+p.reNum+"+)\\s*$");p.parseSVGDocument=function(t,e,i,r){if(t){f(t);var n=p.Object.__uid++,s=d(t),o=p.util.toArray(t.getElementsByTagName("*"));if(s.crossOrigin=r&&r.crossOrigin,s.svgUid=n,0===o.length&&p.isLikelyNode){o=t.selectNodes('//*[name(.)!="svg"]');for(var a=[],h=0,c=o.length;h/i,""))),n&&n.documentElement||e&&e(null),p.parseSVGDocument(n.documentElement,function(t,i){e&&e(t,i)},i,r)}t=t.replace(/^\n\s*/,"").trim(),new p.util.request(t,{method:"get",onComplete:n})},loadSVGFromString:function(t,e,i,r){t=t.trim();var n;if("undefined"!=typeof DOMParser){var s=new DOMParser;s&&s.parseFromString&&(n=s.parseFromString(t,"text/xml"))}else p.window.ActiveXObject&&(n=new ActiveXObject("Microsoft.XMLDOM"),n.async="false",n.loadXML(t.replace(//i,"")));p.parseSVGDocument(n.documentElement,function(t,i){e(t,i)},i,r)}})}("undefined"!=typeof exports?exports:this),fabric.ElementsParser=function(t,e,i,r,n){this.elements=t,this.callback=e,this.options=i,this.reviver=r,this.svgUid=i&&i.svgUid||0,this.parsingOptions=n},fabric.ElementsParser.prototype.parse=function(){this.instances=new Array(this.elements.length),this.numElements=this.elements.length,this.createObjects()},fabric.ElementsParser.prototype.createObjects=function(){for(var t=0,e=this.elements.length;tt.x&&this.y>t.y},gte:function(t){return this.x>=t.x&&this.y>=t.y},lerp:function(t,i){return"undefined"==typeof i&&(i=.5),i=Math.max(Math.min(1,i),0),new e(this.x+(t.x-this.x)*i,this.y+(t.y-this.y)*i)},distanceFrom:function(t){var e=this.x-t.x,i=this.y-t.y;return Math.sqrt(e*e+i*i)},midPointFrom:function(t){return this.lerp(t)},min:function(t){return new e(Math.min(this.x,t.x),Math.min(this.y,t.y))},max:function(t){return new e(Math.max(this.x,t.x),Math.max(this.y,t.y))},toString:function(){return this.x+","+this.y},setXY:function(t,e){return this.x=t,this.y=e,this},setX:function(t){return this.x=t,this},setY:function(t){return this.y=t,this},setFromPoint:function(t){return this.x=t.x,this.y=t.y,this},swap:function(t){var e=this.x,i=this.y;this.x=t.x,this.y=t.y,t.x=e,t.y=i},clone:function(){return new e(this.x,this.y)}}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){this.status=t,this.points=[]}var i=t.fabric||(t.fabric={});return i.Intersection?void i.warn("fabric.Intersection is already defined"):(i.Intersection=e,i.Intersection.prototype={constructor:e,appendPoint:function(t){return this.points.push(t),this},appendPoints:function(t){return this.points=this.points.concat(t),this}},i.Intersection.intersectLineLine=function(t,r,n,s){var o,a=(s.x-n.x)*(t.y-n.y)-(s.y-n.y)*(t.x-n.x),h=(r.x-t.x)*(t.y-n.y)-(r.y-t.y)*(t.x-n.x),c=(s.y-n.y)*(r.x-t.x)-(s.x-n.x)*(r.y-t.y);if(0!==c){var l=a/c,u=h/c;0<=l&&l<=1&&0<=u&&u<=1?(o=new e("Intersection"),o.appendPoint(new i.Point(t.x+l*(r.x-t.x),t.y+l*(r.y-t.y)))):o=new e}else o=new e(0===a||0===h?"Coincident":"Parallel");return o},i.Intersection.intersectLinePolygon=function(t,i,r){for(var n,s,o,a=new e,h=r.length,c=0;c0&&(a.status="Intersection"),a},i.Intersection.intersectPolygonPolygon=function(t,i){for(var r=new e,n=t.length,s=0;s0&&(r.status="Intersection"),r},void(i.Intersection.intersectPolygonRectangle=function(t,r,n){var s=r.min(n),o=r.max(n),a=new i.Point(o.x,s.y),h=new i.Point(s.x,o.y),c=e.intersectLinePolygon(s,a,t),l=e.intersectLinePolygon(a,o,t),u=e.intersectLinePolygon(o,h,t),f=e.intersectLinePolygon(h,s,t),d=new e;return d.appendPoints(c.points),d.appendPoints(l.points),d.appendPoints(u.points),d.appendPoints(f.points),d.points.length>0&&(d.status="Intersection"),d}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){t?this._tryParsingColor(t):this.setSource([0,0,0,1])}function i(t,e,i){return i<0&&(i+=1),i>1&&(i-=1),i<1/6?t+6*(e-t)*i:i<.5?e:i<2/3?t+(e-t)*(2/3-i)*6:t}var r=t.fabric||(t.fabric={});return r.Color?void r.warn("fabric.Color is already defined."):(r.Color=e,r.Color.prototype={_tryParsingColor:function(t){var i;t in e.colorNameMap&&(t=e.colorNameMap[t]),"transparent"===t&&(i=[255,255,255,0]),i||(i=e.sourceFromHex(t)),i||(i=e.sourceFromRgb(t)),i||(i=e.sourceFromHsl(t)),i||(i=[0,0,0,1]),i&&this.setSource(i)},_rgbToHsl:function(t,e,i){t/=255,e/=255,i/=255;var n,s,o,a=r.util.array.max([t,e,i]),h=r.util.array.min([t,e,i]);if(o=(a+h)/2,a===h)n=s=0;else{var c=a-h;switch(s=o>.5?c/(2-a-h):c/(a+h),a){case t:n=(e-i)/c+(e1?1:s,n){var o=n.split(/\s*;\s*/);""===o[o.length-1]&&o.pop();for(var a=o.length;a--;){var h=o[a].split(/\s*:\s*/),c=h[0].trim(),l=h[1].trim();"stop-color"===c?e=l:"stop-opacity"===c&&(r=l)}}return e||(e=t.getAttribute("stop-color")||"rgb(0,0,0)"),r||(r=t.getAttribute("stop-opacity")),e=new fabric.Color(e),i=e.getAlpha(),r=isNaN(parseFloat(r))?1:parseFloat(r),r*=i,{offset:s,color:e.toRgb(),opacity:r}}function e(t){return{x1:t.getAttribute("x1")||0,y1:t.getAttribute("y1")||0,x2:t.getAttribute("x2")||"100%",y2:t.getAttribute("y2")||0}}function i(t){return{x1:t.getAttribute("fx")||t.getAttribute("cx")||"50%",y1:t.getAttribute("fy")||t.getAttribute("cy")||"50%",r1:0,x2:t.getAttribute("cx")||"50%",y2:t.getAttribute("cy")||"50%",r2:t.getAttribute("r")||"50%"}}function r(t,e,i){var r,n=0,s=1,o="";for(var a in e)"Infinity"===e[a]?e[a]=1:"-Infinity"===e[a]&&(e[a]=0),r=parseFloat(e[a],10),s="string"==typeof e[a]&&/^\d+%$/.test(e[a])?.01:1,"x1"===a||"x2"===a||"r2"===a?(s*="objectBoundingBox"===i?t.width:1,n="objectBoundingBox"===i?t.left||0:0):"y1"!==a&&"y2"!==a||(s*="objectBoundingBox"===i?t.height:1,n="objectBoundingBox"===i?t.top||0:0),e[a]=r*s+n;if("ellipse"===t.type&&null!==e.r2&&"objectBoundingBox"===i&&t.rx!==t.ry){var h=t.ry/t.rx;o=" scale(1, "+h+")",e.y1&&(e.y1/=h),e.y2&&(e.y2/=h)}return o}var n=fabric.util.object.clone;fabric.Gradient=fabric.util.createClass({offsetX:0,offsetY:0,initialize:function(t){t||(t={});var e={};this.id=fabric.Object.__uid++,this.type=t.type||"linear",e={x1:t.coords.x1||0,y1:t.coords.y1||0,x2:t.coords.x2||0,y2:t.coords.y2||0},"radial"===this.type&&(e.r1=t.coords.r1||0,e.r2=t.coords.r2||0),this.coords=e,this.colorStops=t.colorStops.slice(),t.gradientTransform&&(this.gradientTransform=t.gradientTransform),this.offsetX=t.offsetX||this.offsetX,this.offsetY=t.offsetY||this.offsetY},addColorStop:function(t){for(var e in t){var i=new fabric.Color(t[e]);this.colorStops.push({offset:parseFloat(e),color:i.toRgb(),opacity:i.getAlpha()})}return this},toObject:function(t){var e={type:this.type,coords:this.coords,colorStops:this.colorStops,offsetX:this.offsetX,offsetY:this.offsetY,gradientTransform:this.gradientTransform?this.gradientTransform.concat():this.gradientTransform};return fabric.util.populateWithProperties(this,e,t),e},toSVG:function(t){var e,i,r=n(this.coords,!0),s=n(this.colorStops,!0),o=r.r1>r.r2;s.sort(function(t,e){return t.offset-e.offset});for(var a in r)"x1"===a||"x2"===a?r[a]+=this.offsetX-t.width/2:"y1"!==a&&"y2"!==a||(r[a]+=this.offsetY-t.height/2);if(i='id="SVGID_'+this.id+'" gradientUnits="userSpaceOnUse"',this.gradientTransform&&(i+=' gradientTransform="matrix('+this.gradientTransform.join(" ")+')" '),"linear"===this.type?e=["\n']:"radial"===this.type&&(e=["\n']),"radial"===this.type){if(o){s=s.concat(),s.reverse();for(var h=0;h0)for(var l=Math.max(r.r1,r.r2),u=c/l,h=0;h\n')}return e.push("linear"===this.type?"\n":"\n"),e.join("")},toLive:function(t){var e,i=fabric.util.object.clone(this.coords);if(this.type){"linear"===this.type?e=t.createLinearGradient(i.x1,i.y1,i.x2,i.y2):"radial"===this.type&&(e=t.createRadialGradient(i.x1,i.y1,i.r1,i.x2,i.y2,i.r2));for(var r=0,n=this.colorStops.length;r\n\n\n'},setOptions:function(t){for(var e in t)this[e]=t[e]},toLive:function(t){var e="function"==typeof this.source?this.source():this.source;if(!e)return"";if("undefined"!=typeof e.src){if(!e.complete)return"";if(0===e.naturalWidth||0===e.naturalHeight)return""}return t.createPattern(e,this.repeat)}})}(),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.toFixed;return e.Shadow?void e.warn("fabric.Shadow is already defined."):(e.Shadow=e.util.createClass({color:"rgb(0,0,0)",blur:0,offsetX:0,offsetY:0,affectStroke:!1,includeDefaultValues:!0,initialize:function(t){"string"==typeof t&&(t=this._parseShadow(t));for(var i in t)this[i]=t[i];this.id=e.Object.__uid++},_parseShadow:function(t){var i=t.trim(),r=e.Shadow.reOffsetsAndBlur.exec(i)||[],n=i.replace(e.Shadow.reOffsetsAndBlur,"")||"rgb(0,0,0)";return{color:n.trim(),offsetX:parseInt(r[1],10)||0,offsetY:parseInt(r[2],10)||0,blur:parseInt(r[3],10)||0}},toString:function(){return[this.offsetX,this.offsetY,this.blur,this.color].join("px ")},toSVG:function(t){var r=40,n=40,s=e.Object.NUM_FRACTION_DIGITS,o=e.util.rotateVector({x:this.offsetX,y:this.offsetY},e.util.degreesToRadians(-t.angle)),a=20;return t.width&&t.height&&(r=100*i((Math.abs(o.x)+this.blur)/t.width,s)+a,n=100*i((Math.abs(o.y)+this.blur)/t.height,s)+a),t.flipX&&(o.x*=-1),t.flipY&&(o.y*=-1),'\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\n\n'},toObject:function(){if(this.includeDefaultValues)return{color:this.color,blur:this.blur,offsetX:this.offsetX,offsetY:this.offsetY,affectStroke:this.affectStroke};var t={},i=e.Shadow.prototype;return["color","blur","offsetX","offsetY","affectStroke"].forEach(function(e){this[e]!==i[e]&&(t[e]=this[e])},this),t}}),void(e.Shadow.reOffsetsAndBlur=/(?:\s|^)(-?\d+(?:px)?(?:\s?|$))?(-?\d+(?:px)?(?:\s?|$))?(\d+(?:px)?)?(?:\s?|$)(?:$|\s)/))}("undefined"!=typeof exports?exports:this),function(){"use strict";if(fabric.StaticCanvas)return void fabric.warn("fabric.StaticCanvas is already defined.");var t=fabric.util.object.extend,e=fabric.util.getElementOffset,i=fabric.util.removeFromArray,r=fabric.util.toFixed,n=fabric.util.transformPoint,s=fabric.util.invertTransform,o=new Error("Could not initialize `canvas` element");fabric.StaticCanvas=fabric.util.createClass(fabric.CommonMethods,{initialize:function(t,e){e||(e={}),this._initStatic(t,e)},backgroundColor:"",backgroundImage:null,overlayColor:"",overlayImage:null,includeDefaultValues:!0,stateful:!1,renderOnAddRemove:!0,clipTo:null,controlsAboveOverlay:!1,allowTouchScrolling:!1,imageSmoothingEnabled:!0,viewportTransform:fabric.iMatrix.concat(),backgroundVpt:!0,overlayVpt:!0,onBeforeScaleRotate:function(){},enableRetinaScaling:!0,vptCoords:{},skipOffscreen:!0,_initStatic:function(t,e){var i=fabric.StaticCanvas.prototype.renderAll.bind(this);this._objects=[],this._createLowerCanvas(t),this._initOptions(e),this._setImageSmoothing(),this.interactive||this._initRetinaScaling(),e.overlayImage&&this.setOverlayImage(e.overlayImage,i),e.backgroundImage&&this.setBackgroundImage(e.backgroundImage,i),e.backgroundColor&&this.setBackgroundColor(e.backgroundColor,i),e.overlayColor&&this.setOverlayColor(e.overlayColor,i),this.calcOffset()},_isRetinaScaling:function(){return 1!==fabric.devicePixelRatio&&this.enableRetinaScaling},getRetinaScaling:function(){return this._isRetinaScaling()?fabric.devicePixelRatio:1},_initRetinaScaling:function(){this._isRetinaScaling()&&(this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio))},calcOffset:function(){return this._offset=e(this.lowerCanvasEl),this},setOverlayImage:function(t,e,i){return this.__setBgOverlayImage("overlayImage",t,e,i)},setBackgroundImage:function(t,e,i){return this.__setBgOverlayImage("backgroundImage",t,e,i)},setOverlayColor:function(t,e){return this.__setBgOverlayColor("overlayColor",t,e)},setBackgroundColor:function(t,e){return this.__setBgOverlayColor("backgroundColor",t,e)},_setImageSmoothing:function(){var t=this.getContext();t.imageSmoothingEnabled=t.imageSmoothingEnabled||t.webkitImageSmoothingEnabled||t.mozImageSmoothingEnabled||t.msImageSmoothingEnabled||t.oImageSmoothingEnabled,t.imageSmoothingEnabled=this.imageSmoothingEnabled},__setBgOverlayImage:function(t,e,i,r){return"string"==typeof e?fabric.util.loadImage(e,function(e){e&&(this[t]=new fabric.Image(e,r)),i&&i(e)},this,r&&r.crossOrigin):(r&&e.setOptions(r),this[t]=e,i&&i(e)),this},__setBgOverlayColor:function(t,e,i){return this[t]=e,this._initGradient(e,t),this._initPattern(e,t,i),this},_createCanvasElement:function(t){var e=fabric.util.createCanvasElement(t);if(e.style||(e.style={}),!e)throw o;if("undefined"==typeof e.getContext)throw o;return e},_initOptions:function(t){this._setOptions(t),this.width=this.width||parseInt(this.lowerCanvasEl.width,10)||0,this.height=this.height||parseInt(this.lowerCanvasEl.height,10)||0,this.lowerCanvasEl.style&&(this.lowerCanvasEl.width=this.width,this.lowerCanvasEl.height=this.height,this.lowerCanvasEl.style.width=this.width+"px",this.lowerCanvasEl.style.height=this.height+"px",this.viewportTransform=this.viewportTransform.slice())},_createLowerCanvas:function(t){this.lowerCanvasEl=fabric.util.getById(t)||this._createCanvasElement(t),fabric.util.addClass(this.lowerCanvasEl,"lower-canvas"),this.interactive&&this._applyCanvasStyle(this.lowerCanvasEl),this.contextContainer=this.lowerCanvasEl.getContext("2d")},getWidth:function(){return this.width},getHeight:function(){return this.height},setWidth:function(t,e){return this.setDimensions({width:t},e)},setHeight:function(t,e){return this.setDimensions({height:t},e)},setDimensions:function(t,e){var i;e=e||{};for(var r in t)i=t[r],e.cssOnly||(this._setBackstoreDimension(r,t[r]),i+="px"),e.backstoreOnly||this._setCssDimension(r,i);return this._initRetinaScaling(),this._setImageSmoothing(),this.calcOffset(),e.cssOnly||this.renderAll(),this},_setBackstoreDimension:function(t,e){return this.lowerCanvasEl[t]=e,this.upperCanvasEl&&(this.upperCanvasEl[t]=e),this.cacheCanvasEl&&(this.cacheCanvasEl[t]=e),this[t]=e,this},_setCssDimension:function(t,e){return this.lowerCanvasEl.style[t]=e,this.upperCanvasEl&&(this.upperCanvasEl.style[t]=e),this.wrapperEl&&(this.wrapperEl.style[t]=e),this},getZoom:function(){return this.viewportTransform[0]},setViewportTransform:function(t){var e,i=this._activeGroup,r=!1,n=!0;this.viewportTransform=t;for(var s=0,o=this._objects.length;s"),i.join("")},_setSVGPreamble:function(t,e){e.suppressPreamble||t.push('\n','\n')},_setSVGHeader:function(t,e){var i,n=e.width||this.width,s=e.height||this.height,o='viewBox="0 0 '+this.width+" "+this.height+'" ',a=fabric.Object.NUM_FRACTION_DIGITS;e.viewBox?o='viewBox="'+e.viewBox.x+" "+e.viewBox.y+" "+e.viewBox.width+" "+e.viewBox.height+'" ':this.svgViewportTransformation&&(i=this.viewportTransform,o='viewBox="'+r(-i[4]/i[0],a)+" "+r(-i[5]/i[3],a)+" "+r(this.width/i[0],a)+" "+r(this.height/i[3],a)+'" '),t.push("\n',"Created with Fabric.js ",fabric.version,"\n","\n",this.createSVGFontFacesMarkup(),this.createSVGRefElementsMarkup(),"\n")},createSVGRefElementsMarkup:function(){var t=this,e=["backgroundColor","overlayColor"].map(function(e){var i=t[e];if(i&&i.toLive)return i.toSVG(t,!1)});return e.join("")},createSVGFontFacesMarkup:function(){for(var t,e,i,r,n,s,o,a="",h={},c=fabric.fontPaths,l=this.getObjects(),u=0,f=l.length;u',"\n",a,"","\n"].join("")),a},_setSVGObjects:function(t,e){for(var i,r=0,n=this.getObjects(),s=n.length;r\n")}else t.push('\n")},sendToBack:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=n.length;e--;)r=n[e],i(this._objects,r),this._objects.unshift(r);else i(this._objects,t),this._objects.unshift(t);return this.renderAll&&this.renderAll()},bringToFront:function(t){if(!t)return this;var e,r,n,s=this._activeGroup;if(t===s)for(n=s._objects,e=0;e=0;--n){var s=t.intersectsWithObject(this._objects[n])||t.isContainedWithinObject(this._objects[n])||this._objects[n].isContainedWithinObject(t);if(s){r=n;break}}}else r=e-1;return r},bringForward:function(t,e){if(!t)return this;var r,n,s,o,a,h=this._activeGroup;if(t===h)for(a=h._objects,r=a.length;r--;)n=a[r],s=this._objects.indexOf(n),s!==this._objects.length-1&&(o=s+1,i(this._objects,n),this._objects.splice(o,0,n));else s=this._objects.indexOf(t),s!==this._objects.length-1&&(o=this._findNewUpperIndex(t,s,e),i(this._objects,t),this._objects.splice(o,0,t));return this.renderAll&&this.renderAll(),this},_findNewUpperIndex:function(t,e,i){var r;if(i){r=e;for(var n=e+1;n"}}),t(fabric.StaticCanvas.prototype,fabric.Observable),t(fabric.StaticCanvas.prototype,fabric.Collection),t(fabric.StaticCanvas.prototype,fabric.DataURLExporter),t(fabric.StaticCanvas,{EMPTY_JSON:'{"objects": [], "background": "white"}',supports:function(t){var e=fabric.util.createCanvasElement();if(!e||!e.getContext)return null;var i=e.getContext("2d");if(!i)return null;switch(t){case"getImageData":return"undefined"!=typeof i.getImageData;case"setLineDash":return"undefined"!=typeof i.setLineDash;case"toDataURL":return"undefined"!=typeof e.toDataURL;case"toDataURLWithQuality":try{return e.toDataURL("image/jpeg",0),!0}catch(t){}return!1;default:return null}}}),fabric.StaticCanvas.prototype.toJSON=fabric.StaticCanvas.prototype.toObject}(),fabric.BaseBrush=fabric.util.createClass({color:"rgb(0, 0, 0)",width:1,shadow:null,strokeLineCap:"round",strokeLineJoin:"round",strokeDashArray:null,setShadow:function(t){return this.shadow=new fabric.Shadow(t),this},_setBrushStyles:function(){var t=this.canvas.contextTop;t.strokeStyle=this.color,t.lineWidth=this.width,t.lineCap=this.strokeLineCap,t.lineJoin=this.strokeLineJoin,this.strokeDashArray&&fabric.StaticCanvas.supports("setLineDash")&&t.setLineDash(this.strokeDashArray)},_setShadow:function(){if(this.shadow){var t=this.canvas.contextTop,e=this.canvas.getZoom();t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*e,t.shadowOffsetX=this.shadow.offsetX*e,t.shadowOffsetY=this.shadow.offsetY*e}},_resetShadow:function(){var t=this.canvas.contextTop;t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0}}),function(){fabric.PencilBrush=fabric.util.createClass(fabric.BaseBrush,{initialize:function(t){this.canvas=t,this._points=[]},onMouseDown:function(t){this._prepareForDrawing(t),this._captureDrawingPath(t),this._render()},onMouseMove:function(t){this._captureDrawingPath(t),this.canvas.clearContext(this.canvas.contextTop),this._render()},onMouseUp:function(){this._finalizeAndAddPath()},_prepareForDrawing:function(t){var e=new fabric.Point(t.x,t.y);this._reset(),this._addPoint(e),this.canvas.contextTop.moveTo(e.x,e.y)},_addPoint:function(t){this._points.push(t)},_reset:function(){this._points.length=0,this._setBrushStyles(),this._setShadow()},_captureDrawingPath:function(t){var e=new fabric.Point(t.x,t.y);this._addPoint(e)},_render:function(){var t=this.canvas.contextTop,e=this.canvas.viewportTransform,i=this._points[0],r=this._points[1];t.save(),t.transform(e[0],e[1],e[2],e[3],e[4],e[5]),t.beginPath(),2===this._points.length&&i.x===r.x&&i.y===r.y&&(i.x-=.5,r.x+=.5),t.moveTo(i.x,i.y);for(var n=1,s=this._points.length;n0?1:-1,"y"===i&&(s=e.target.skewY,o="top",a="bottom",r="originY"),n[-1]=o,n[1]=a,e.target.flipX&&(c*=-1),e.target.flipY&&(c*=-1),0===s?(e.skewSign=-h*t*c,e[r]=n[-t]):(s=s>0?1:-1,e.skewSign=s,e[r]=n[s*h*c])},_skewObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=!1,o=n.get("lockSkewingX"),a=n.get("lockSkewingY");if(o&&"x"===i||a&&"y"===i)return!1;var h,c,l=n.getCenterPoint(),u=n.toLocalPoint(new fabric.Point(t,e),"center","center")[i],f=n.toLocalPoint(new fabric.Point(r.lastX,r.lastY),"center","center")[i],d=n._getTransformedDimensions();return this._changeSkewTransformOrigin(u-f,r,i),h=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY)[i],c=n.translateToOriginPoint(l,r.originX,r.originY),s=this._setObjectSkew(h,r,i,d),r.lastX=t,r.lastY=e,n.setPositionByOrigin(c,r.originX,r.originY),s},_setObjectSkew:function(t,e,i,r){var n,s,o,a,h,c,l,u,f,d=e.target,g=!1,p=e.skewSign;return"x"===i?(a="y",h="Y",c="X",u=0,f=d.skewY):(a="x",h="X",c="Y",u=d.skewX,f=0),o=d._getTransformedDimensions(u,f),l=2*Math.abs(t)-o[i],l<=2?n=0:(n=p*Math.atan(l/d["scale"+c]/(o[a]/d["scale"+h])),n=fabric.util.radiansToDegrees(n)),g=d["skew"+c]!==n,d.set("skew"+c,n),0!==d["skew"+h]&&(s=d._getTransformedDimensions(),n=r[a]/s[a]*d["scale"+h],d.set("scale"+h,n)),g},_scaleObject:function(t,e,i){var r=this._currentTransform,n=r.target,s=n.get("lockScalingX"),o=n.get("lockScalingY"),a=n.get("lockScalingFlip");if(s&&o)return!1;var h=n.translateToOriginPoint(n.getCenterPoint(),r.originX,r.originY),c=n.toLocalPoint(new fabric.Point(t,e),r.originX,r.originY),l=n._getTransformedDimensions(),u=!1;return this._setLocalMouse(c,r),u=this._setObjectScale(c,r,s,o,i,a,l),n.setPositionByOrigin(h,r.originX,r.originY),u},_setObjectScale:function(t,e,i,r,n,s,o){var a,h,c,l,u=e.target,f=!1,d=!1,g=!1;return c=t.x*u.scaleX/o.x,l=t.y*u.scaleY/o.y,a=u.scaleX!==c,h=u.scaleY!==l,s&&c<=0&&cs?t.x<0?t.x+=s:t.x-=s:t.x=0,n(t.y)>s?t.y<0?t.y+=s:t.y-=s:t.y=0},_rotateObject:function(t,e){var n=this._currentTransform;if(n.target.get("lockRotation"))return!1;var s=r(n.ey-n.top,n.ex-n.left),o=r(e-n.top,t-n.left),a=i(o-s+n.theta),h=!0;if(n.target.snapAngle>0){var c=n.target.snapAngle,l=n.target.snapThreshold||c,u=Math.ceil(a/c)*c,f=Math.floor(a/c)*c;Math.abs(a-f)0?0:-i),e.ey-(r>0?0:-r),a,h)),this.selectionLineWidth&&this.selectionBorderColor)if(t.lineWidth=this.selectionLineWidth,t.strokeStyle=this.selectionBorderColor,this.selectionDashArray.length>1&&!s){var c=e.ex+o-(i>0?0:a),l=e.ey+o-(r>0?0:h);t.beginPath(),fabric.util.drawDashedLine(t,c,l,c+a,l,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l+h-1,c+a,l+h-1,this.selectionDashArray),fabric.util.drawDashedLine(t,c,l,c,l+h,this.selectionDashArray),fabric.util.drawDashedLine(t,c+a-1,l,c+a-1,l+h,this.selectionDashArray),t.closePath(),t.stroke()}else fabric.Object.prototype._setLineDash.call(this,t,this.selectionDashArray),t.strokeRect(e.ex+o-(i>0?0:a),e.ey+o-(r>0?0:h),a,h)},findTarget:function(t,e){if(!this.skipTargetFind){var i,r=!0,n=this.getPointer(t,r),s=this.getActiveGroup(),o=this.getActiveObject();if(this.targets=[],s&&!e&&s===this._searchPossibleTargets([s],n))return this._fireOverOutEvents(s,t),s;if(o&&o._findTargetCorner(n))return this._fireOverOutEvents(o,t),o;if(o&&o===this._searchPossibleTargets([o],n)){if(!this.preserveObjectStacking)return this._fireOverOutEvents(o,t),o;i=o}var a=this._searchPossibleTargets(this._objects,n);return t[this.altSelectionKey]&&a&&i&&a!==i&&(a=i),this._fireOverOutEvents(a,t),a}},_fireOverOutEvents:function(t,e){var i,r,n=this._hoveredTarget;n!==t&&(i={e:e,target:t,previousTarget:this._hoveredTarget},r={e:e,target:this._hoveredTarget,nextTarget:t},this._hoveredTarget=t),t?n!==t&&(n&&(this.fire("mouse:out",r),n.fire("mouseout",r)),this.fire("mouse:over",i),t.fire("mouseover",i)):n&&(this.fire("mouse:out",r),n.fire("mouseout",r))},_checkTarget:function(t,e){if(e&&e.visible&&e.evented&&this.containsPoint(null,e,t)){if(!this.perPixelTargetFind&&!e.perPixelTargetFind||e.isEditing)return!0;var i=this.isTargetTransparent(e,t.x,t.y);if(!i)return!0}},_searchPossibleTargets:function(t,e){for(var i,r,n,s=t.length;s--;)if(this._checkTarget(e,t[s])){i=t[s],"group"===i.type&&i.subTargetCheck&&(r=this._normalizePointer(i,e),n=this._searchPossibleTargets(i._objects,r),n&&this.targets.push(n));break}return i},restorePointerVpt:function(t){return fabric.util.transformPoint(t,fabric.util.invertTransform(this.viewportTransform))},getPointer:function(e,i,r){r||(r=this.upperCanvasEl);var n,s=t(e),o=r.getBoundingClientRect(),a=o.width||0,h=o.height||0;return a&&h||("top"in o&&"bottom"in o&&(h=Math.abs(o.top-o.bottom)),"right"in o&&"left"in o&&(a=Math.abs(o.right-o.left))),this.calcOffset(),s.x=s.x-this._offset.left,s.y=s.y-this._offset.top,i||(s=this.restorePointerVpt(s)),n=0===a||0===h?{width:1,height:1}:{width:r.width/a,height:r.height/h},{x:s.x*n.width,y:s.y*n.height}},_createUpperCanvas:function(){var t=this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/,"");this.upperCanvasEl=this._createCanvasElement(),fabric.util.addClass(this.upperCanvasEl,"upper-canvas "+t),this.wrapperEl.appendChild(this.upperCanvasEl),this._copyCanvasStyle(this.lowerCanvasEl,this.upperCanvasEl),this._applyCanvasStyle(this.upperCanvasEl),this.contextTop=this.upperCanvasEl.getContext("2d")},_createCacheCanvas:function(){this.cacheCanvasEl=this._createCanvasElement(),this.cacheCanvasEl.setAttribute("width",this.width),this.cacheCanvasEl.setAttribute("height",this.height),this.contextCache=this.cacheCanvasEl.getContext("2d")},_initWrapperElement:function(){this.wrapperEl=fabric.util.wrapElement(this.lowerCanvasEl,"div",{class:this.containerClass}),fabric.util.setStyle(this.wrapperEl,{width:this.getWidth()+"px",height:this.getHeight()+"px",position:"relative"}),fabric.util.makeElementUnselectable(this.wrapperEl)},_applyCanvasStyle:function(t){var e=this.getWidth()||t.width,i=this.getHeight()||t.height;fabric.util.setStyle(t,{position:"absolute",width:e+"px",height:i+"px",left:0,top:0,"touch-action":"none"}),t.width=e,t.height=i,fabric.util.makeElementUnselectable(t)},_copyCanvasStyle:function(t,e){e.style.cssText=t.style.cssText},getSelectionContext:function(){return this.contextTop},getSelectionElement:function(){return this.upperCanvasEl},_setActiveObject:function(t){var e=this._activeObject;e&&(e.set("active",!1),t!==e&&e.onDeselect&&"function"==typeof e.onDeselect&&e.onDeselect()),this._activeObject=t,t.set("active",!0)},setActiveObject:function(t,e){var i=this.getActiveObject();return i&&i!==t&&i.fire("deselected",{e:e}),this._setActiveObject(t),this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e}),this.renderAll(),this},getActiveObject:function(){return this._activeObject},_onObjectRemoved:function(t){this.getActiveObject()===t&&(this.fire("before:selection:cleared",{target:t}),this._discardActiveObject(),this.fire("selection:cleared",{target:t}),t.fire("deselected")),this._hoveredTarget===t&&(this._hoveredTarget=null),this.callSuper("_onObjectRemoved",t)},_discardActiveObject:function(){var t=this._activeObject;t&&(t.set("active",!1),t.onDeselect&&"function"==typeof t.onDeselect&&t.onDeselect()),this._activeObject=null},discardActiveObject:function(t){var e=this._activeObject;return e&&(this.fire("before:selection:cleared",{target:e,e:t}),this._discardActiveObject(),this.fire("selection:cleared",{e:t}),e.fire("deselected",{e:t})),this},_setActiveGroup:function(t){this._activeGroup=t,t&&t.set("active",!0)},setActiveGroup:function(t,e){return this._setActiveGroup(t),t&&(this.fire("object:selected",{target:t,e:e}),t.fire("selected",{e:e})),this},getActiveGroup:function(){return this._activeGroup},_discardActiveGroup:function(){var t=this.getActiveGroup();t&&t.destroy(),this.setActiveGroup(null)},discardActiveGroup:function(t){var e=this.getActiveGroup();return e&&(this.fire("before:selection:cleared",{e:t,target:e}),this._discardActiveGroup(),this.fire("selection:cleared",{e:t})),this},deactivateAll:function(){for(var t,e=this.getObjects(),i=0,r=e.length;i1)){var r=this._groupSelector;r?(i=this.getPointer(t,!0),r.left=i.x-r.ex,r.top=i.y-r.ey,this.renderTop()):this._currentTransform?this._transformObject(t):(e=this.findTarget(t),this._setCursorFromEvent(t,e)),this._handleEvent(t,"move",e?e:null)}},__onMouseWheel:function(t){this._handleEvent(t,"wheel")},_transformObject:function(t){var e=this.getPointer(t),i=this._currentTransform;i.reset=!1,i.target.isMoving=!0,i.shiftKey=t.shiftKey,i.altKey=t[this.centeredKey],this._beforeScaleTransform(t,i),this._performTransformAction(t,i,e),i.actionPerformed&&this.renderAll()},_performTransformAction:function(t,e,i){var r=i.x,n=i.y,s=e.target,o=e.action,a=!1;"rotate"===o?(a=this._rotateObject(r,n))&&this._fire("rotating",s,t):"scale"===o?(a=this._onScale(t,e,r,n))&&this._fire("scaling",s,t):"scaleX"===o?(a=this._scaleObject(r,n,"x"))&&this._fire("scaling",s,t):"scaleY"===o?(a=this._scaleObject(r,n,"y"))&&this._fire("scaling",s,t):"skewX"===o?(a=this._skewObject(r,n,"x"))&&this._fire("skewing",s,t):"skewY"===o?(a=this._skewObject(r,n,"y"))&&this._fire("skewing",s,t):(a=this._translateObject(r,n),a&&(this._fire("moving",s,t),this.setCursor(s.moveCursor||this.moveCursor))),e.actionPerformed=e.actionPerformed||a},_fire:function(t,e,i){this.fire("object:"+t,{target:e,e:i}),e.fire(t,{e:i})},_beforeScaleTransform:function(t,e){if("scale"===e.action||"scaleX"===e.action||"scaleY"===e.action){var i=this._shouldCenterTransform(e.target);(i&&("center"!==e.originX||"center"!==e.originY)||!i&&"center"===e.originX&&"center"===e.originY)&&(this._resetCurrentTransform(),e.reset=!0)}},_onScale:function(t,e,i,r){return!t[this.uniScaleKey]&&!this.uniScaleTransform||e.target.get("lockUniScaling")?(e.reset||"scale"!==e.currentAction||this._resetCurrentTransform(),e.currentAction="scaleEqually",this._scaleObject(i,r,"equally")):(e.currentAction="scale",this._scaleObject(i,r))},_setCursorFromEvent:function(t,e){if(!e||!e.selectable)return this.setCursor(this.defaultCursor),!1;var i=e.hoverCursor||this.hoverCursor,r=this.getActiveGroup(),n=e._findTargetCorner&&(!r||!r.contains(e))&&e._findTargetCorner(this.getPointer(t,!0));return n?this._setCornerCursor(n,e,t):this.setCursor(i),!0},_setCornerCursor:function(t,i,r){if(t in e)this.setCursor(this._getRotatedCornerCursor(t,i,r));else{if("mtr"!==t||!i.hasRotatingPoint)return this.setCursor(this.defaultCursor),!1;this.setCursor(this.rotationCursor)}},_getRotatedCornerCursor:function(t,i,r){var n=Math.round(i.getAngle()%360/45);return n<0&&(n+=8),n+=e[t],r[this.altActionKey]&&e[t]%2===0&&(n+=2),n%=8,this.cursorMap[n]}})}(),function(){var t=Math.min,e=Math.max;fabric.util.object.extend(fabric.Canvas.prototype,{_shouldGroup:function(t,e){var i=this.getActiveObject();return t[this.selectionKey]&&e&&e.selectable&&(this.getActiveGroup()||i&&i!==e)&&this.selection},_handleGrouping:function(t,e){var i=this.getActiveGroup();(e!==i||(e=this.findTarget(t,!0)))&&(i?this._updateActiveGroup(e,t):this._createActiveGroup(e,t))},_updateActiveGroup:function(t,e){var i=this.getActiveGroup();if(i.contains(t)){if(i.removeWithUpdate(t),t.set("active",!1),1===i.size())return this.discardActiveGroup(e),void this.setActiveObject(i.item(0),e)}else i.addWithUpdate(t);this.fire("selection:created",{target:i,e:e}),i.set("active",!0)},_createActiveGroup:function(t,e){if(this._activeObject&&t!==this._activeObject){var i=this._createGroup(t);i.addWithUpdate(),this.setActiveGroup(i,e),this._activeObject=null,this.fire("selection:created",{target:i,e:e})}t.set("active",!0)},_createGroup:function(t){var e=this.getObjects(),i=e.indexOf(this._activeObject)1&&(e=new fabric.Group(e.reverse(),{canvas:this}),e.addWithUpdate(),this.setActiveGroup(e,t),this.fire("selection:created",{target:e,e:t}),this.renderAll())},_collectObjects:function(){for(var i,r=[],n=this._groupSelector.ex,s=this._groupSelector.ey,o=n+this._groupSelector.left,a=s+this._groupSelector.top,h=new fabric.Point(t(n,o),t(s,a)),c=new fabric.Point(e(n,o),e(s,a)),l=n===o&&s===a,u=this._objects.length;u--&&(i=this._objects[u],!(i&&i.selectable&&i.visible&&(i.intersectsWithRect(h,c)||i.isContainedWithinRect(h,c)||i.containsPoint(h)||i.containsPoint(c))&&(i.set("active",!0),r.push(i),l))););return r},_maybeGroupObjects:function(t){this.selection&&this._groupSelector&&this._groupSelectedObjects(t);var e=this.getActiveGroup();e&&(e.setObjectsCoords().setCoords(),e.isMoving=!1,this.setCursor(this.defaultCursor)),this._groupSelector=null,this._currentTransform=null}})}(),function(){var t=fabric.StaticCanvas.supports("toDataURLWithQuality");fabric.util.object.extend(fabric.StaticCanvas.prototype,{toDataURL:function(t){t||(t={});var e=t.format||"png",i=t.quality||1,r=t.multiplier||1,n={left:t.left||0,top:t.top||0,width:t.width||0,height:t.height||0};return this.__toDataURLWithMultiplier(e,i,n,r)},__toDataURLWithMultiplier:function(t,e,i,r){var n=this.getWidth(),s=this.getHeight(),o=(i.width||this.getWidth())*r,a=(i.height||this.getHeight())*r,h=this.getZoom(),c=h*r,l=this.viewportTransform,u=(l[4]-i.left)*r,f=(l[5]-i.top)*r,d=[c,0,0,c,u,f],g=this.interactive;this.viewportTransform=d,this.interactive&&(this.interactive=!1),n!==o||s!==a?this.setDimensions({width:o,height:a}):this.renderAll();var p=this.__toDataURL(t,e,i);return g&&(this.interactive=g),this.viewportTransform=l,this.setDimensions({width:n,height:s}),p},__toDataURL:function(e,i){var r=this.contextContainer.canvas;"jpg"===e&&(e="jpeg");var n=t?r.toDataURL("image/"+e,i):r.toDataURL("image/"+e);return n},toDataURLWithMultiplier:function(t,e,i){return this.toDataURL({format:t,multiplier:e,quality:i})}})}(),fabric.util.object.extend(fabric.StaticCanvas.prototype,{loadFromDatalessJSON:function(t,e,i){return this.loadFromJSON(t,e,i)},loadFromJSON:function(t,e,i){if(t){var r="string"==typeof t?JSON.parse(t):fabric.util.object.clone(t);this.clear();var n=this;return this._enlivenObjects(r.objects,function(){n._setBgOverlay(r,function(){delete r.objects,delete r.backgroundImage,delete r.overlayImage,delete r.background,delete r.overlay,n._setOptions(r),e&&e()})},i),this}},_setBgOverlay:function(t,e){var i=this,r={backgroundColor:!1,overlayColor:!1,backgroundImage:!1,overlayImage:!1};if(!(t.backgroundImage||t.overlayImage||t.background||t.overlay))return void(e&&e());var n=function(){r.backgroundImage&&r.overlayImage&&r.backgroundColor&&r.overlayColor&&(i.renderAll(),e&&e())};this.__setBgOverlay("backgroundImage",t.backgroundImage,r,n),this.__setBgOverlay("overlayImage",t.overlayImage,r,n),this.__setBgOverlay("backgroundColor",t.background,r,n),this.__setBgOverlay("overlayColor",t.overlay,r,n)},__setBgOverlay:function(t,e,i,r){var n=this;return e?void("backgroundImage"===t||"overlayImage"===t?fabric.util.enlivenObjects([e],function(e){n[t]=e[0],i[t]=!0,r&&r()}):this["set"+fabric.util.string.capitalize(t,!0)](e,function(){i[t]=!0,r&&r()})):(i[t]=!0,void(r&&r()))},_enlivenObjects:function(t,e,i){var r=this;if(!t||0===t.length)return void(e&&e());var n=this.renderOnAddRemove;this.renderOnAddRemove=!1,fabric.util.enlivenObjects(t,function(t){t.forEach(function(t,e){r.insertAt(t,e)}),r.renderOnAddRemove=n,e&&e()},null,i)},_toDataURL:function(t,e){this.clone(function(i){e(i.toDataURL(t))})},_toDataURLWithMultiplier:function(t,e,i){this.clone(function(r){i(r.toDataURLWithMultiplier(t,e))})},clone:function(t,e){var i=JSON.stringify(this.toJSON(e));this.cloneWithoutData(function(e){e.loadFromJSON(i,function(){t&&t(e)})})},cloneWithoutData:function(t){var e=fabric.document.createElement("canvas");e.width=this.getWidth(),e.height=this.getHeight();var i=new fabric.Canvas(e);i.clipTo=this.clipTo,this.backgroundImage?(i.setBackgroundImage(this.backgroundImage.src,function(){i.renderAll(),t&&t(i)}),i.backgroundImageOpacity=this.backgroundImageOpacity,i.backgroundImageStretch=this.backgroundImageStretch):t&&t(i)}}),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.object.clone,n=e.util.toFixed,s=e.util.string.capitalize,o=e.util.degreesToRadians,a=e.StaticCanvas.supports("setLineDash"),h=!e.isLikelyNode;e.Object||(e.Object=e.util.createClass(e.CommonMethods,{type:"object",originX:"left",originY:"top",top:0,left:0,width:0,height:0,scaleX:1,scaleY:1,flipX:!1,flipY:!1,opacity:1,angle:0,skewX:0,skewY:0,cornerSize:13,transparentCorners:!0,hoverCursor:null,moveCursor:null,padding:0,borderColor:"rgba(102,153,255,0.75)",borderDashArray:null,cornerColor:"rgba(102,153,255,0.5)",cornerStrokeColor:null,cornerStyle:"rect",cornerDashArray:null,centeredScaling:!1,centeredRotation:!0,fill:"rgb(0,0,0)",fillRule:"nonzero",globalCompositeOperation:"source-over",backgroundColor:"",selectionBackgroundColor:"",stroke:null,strokeWidth:1,strokeDashArray:null,strokeLineCap:"butt",strokeLineJoin:"miter",strokeMiterLimit:10,shadow:null,borderOpacityWhenMoving:.4,borderScaleFactor:1,transformMatrix:null,minScaleLimit:.01,selectable:!0,evented:!0,visible:!0,hasControls:!0,hasBorders:!0,hasRotatingPoint:!0,rotatingPointOffset:40,perPixelTargetFind:!1,includeDefaultValues:!0,clipTo:null,lockMovementX:!1,lockMovementY:!1,lockRotation:!1,lockScalingX:!1,lockScalingY:!1,lockUniScaling:!1,lockSkewingX:!1,lockSkewingY:!1,lockScalingFlip:!1,excludeFromExport:!1,objectCaching:h,statefullCache:!1,noScaleCache:!0,dirty:!0,needsItsOwnCache:!1,stateProperties:"top left width height scaleX scaleY flipX flipY originX originY transformMatrix stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor skewX skewY".split(" "),cacheProperties:"fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor".split(" "),initialize:function(t){t=t||{},t&&this.setOptions(t),this.objectCaching&&this._createCacheCanvas()},_createCacheCanvas:function(){this._cacheProperties={},this._cacheCanvas=e.document.createElement("canvas"),this._cacheContext=this._cacheCanvas.getContext("2d"),this._updateCacheCanvas()},_getCacheCanvasDimensions:function(){var t=this.canvas&&this.canvas.getZoom()||1,i=this.getObjectScaling(),r=this._getNonTransformedDimensions(),n=this.canvas&&this.canvas._isRetinaScaling()?e.devicePixelRatio:1,s=i.scaleX*t*n,o=i.scaleY*t*n,a=r.x*s,h=r.y*o;return{width:a+2,height:h+2,zoomX:s,zoomY:o}},_updateCacheCanvas:function(){if(this.noScaleCache&&this.canvas&&this.canvas._currentTransform){var t=this.canvas._currentTransform.action;if("scale"===t.slice(0,5))return!1}var e=this._getCacheCanvasDimensions(),i=e.width,r=e.height,n=e.zoomX,s=e.zoomY;return(i!==this.cacheWidth||r!==this.cacheHeight)&&(this._cacheCanvas.width=Math.ceil(i),this._cacheCanvas.height=Math.ceil(r),this._cacheContext.translate(i/2,r/2),this._cacheContext.scale(n,s),this.cacheWidth=i,this.cacheHeight=r,this.zoomX=n,this.zoomY=s,!0)},setOptions:function(t){this._setOptions(t),this._initGradient(t.fill,"fill"),this._initGradient(t.stroke,"stroke"),this._initClipping(t),this._initPattern(t.fill,"fill"),this._initPattern(t.stroke,"stroke")},transform:function(t,e){this.group&&!this.group._transformDone&&this.group.transform(t);var i=e?this._getLeftTopCoords():this.getCenterPoint();t.translate(i.x,i.y),this.angle&&t.rotate(o(this.angle)),t.scale(this.scaleX*(this.flipX?-1:1),this.scaleY*(this.flipY?-1:1)),this.skewX&&t.transform(1,0,Math.tan(o(this.skewX)),1,0,0),this.skewY&&t.transform(1,Math.tan(o(this.skewY)),0,1,0,0)},toObject:function(t){var i=e.Object.NUM_FRACTION_DIGITS,r={type:this.type,originX:this.originX,originY:this.originY,left:n(this.left,i),top:n(this.top,i),width:n(this.width,i),height:n(this.height,i),fill:this.fill&&this.fill.toObject?this.fill.toObject():this.fill,stroke:this.stroke&&this.stroke.toObject?this.stroke.toObject():this.stroke,strokeWidth:n(this.strokeWidth,i),strokeDashArray:this.strokeDashArray?this.strokeDashArray.concat():this.strokeDashArray,strokeLineCap:this.strokeLineCap,strokeLineJoin:this.strokeLineJoin,strokeMiterLimit:n(this.strokeMiterLimit,i),scaleX:n(this.scaleX,i),scaleY:n(this.scaleY,i),angle:n(this.getAngle(),i),flipX:this.flipX,flipY:this.flipY,opacity:n(this.opacity,i),shadow:this.shadow&&this.shadow.toObject?this.shadow.toObject():this.shadow,visible:this.visible,clipTo:this.clipTo&&String(this.clipTo),backgroundColor:this.backgroundColor,fillRule:this.fillRule,globalCompositeOperation:this.globalCompositeOperation,transformMatrix:this.transformMatrix?this.transformMatrix.concat():null,skewX:n(this.skewX,i),skewY:n(this.skewY,i)};return e.util.populateWithProperties(this,r,t),this.includeDefaultValues||(r=this._removeDefaultValues(r)),r},toDatalessObject:function(t){return this.toObject(t)},_removeDefaultValues:function(t){var i=e.util.getKlass(t.type).prototype,r=i.stateProperties;return r.forEach(function(e){t[e]===i[e]&&delete t[e];var r="[object Array]"===Object.prototype.toString.call(t[e])&&"[object Array]"===Object.prototype.toString.call(i[e]);r&&0===t[e].length&&0===i[e].length&&delete t[e]}),t},toString:function(){return"#"},getObjectScaling:function(){var t=this.scaleX,e=this.scaleY;if(this.group){var i=this.group.getObjectScaling();t*=i.scaleX,e*=i.scaleY}return{scaleX:t,scaleY:e}},getObjectOpacity:function(){var t=this.opacity;return this.group&&(t*=this.group.getObjectOpacity()),t},_set:function(t,i){var r="scaleX"===t||"scaleY"===t;return r&&(i=this._constrainScale(i)),"scaleX"===t&&i<0?(this.flipX=!this.flipX,i*=-1):"scaleY"===t&&i<0?(this.flipY=!this.flipY,i*=-1):"shadow"!==t||!i||i instanceof e.Shadow?"dirty"===t&&this.group&&this.group.set("dirty",i):i=new e.Shadow(i),this[t]=i,this.cacheProperties.indexOf(t)>-1&&(this.group&&this.group.set("dirty",!0),this.dirty=!0),this.group&&this.stateProperties.indexOf(t)>-1&&this.group.set("dirty",!0),"width"!==t&&"height"!==t||(this.minScaleLimit=Math.min(.1,1/Math.max(this.width,this.height))),this},setOnGroup:function(){},getViewportTransform:function(){return this.canvas&&this.canvas.viewportTransform?this.canvas.viewportTransform:e.iMatrix.concat()},render:function(t){0===this.width&&0===this.height||!this.visible||this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(t.save(),this._setupCompositeOperation(t),this.drawSelectionBackground(t),this.transform(t),this._setOpacity(t),this._setShadow(t,this),this.transformMatrix&&t.transform.apply(t,this.transformMatrix),this.clipTo&&e.util.clipContext(this,t),this.shouldCache()?(this._cacheCanvas||this._createCacheCanvas(),this.isCacheDirty()&&(this.statefullCache&&this.saveState({propertySet:"cacheProperties"}),this.drawObject(this._cacheContext),this.dirty=!1),this.drawCacheOnCanvas(t)):(this.drawObject(t),this.objectCaching&&this.statefullCache&&this.saveState({propertySet:"cacheProperties"})),this.clipTo&&t.restore(),t.restore())},shouldCache:function(){return this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching())},willDrawShadow:function(){return!!this.shadow},drawObject:function(t){this._renderBackground(t),this._setStrokeStyles(t,this),this._setFillStyles(t,this),this._render(t)},drawCacheOnCanvas:function(t){t.scale(1/this.zoomX,1/this.zoomY),t.drawImage(this._cacheCanvas,-this.cacheWidth/2,-this.cacheHeight/2)},isCacheDirty:function(t){if(!t&&this._updateCacheCanvas())return!0;if(this.dirty||this.statefullCache&&this.hasStateChanged("cacheProperties")){if(!t){var e=this.cacheWidth/this.zoomX,i=this.cacheHeight/this.zoomY;this._cacheContext.clearRect(-e/2,-i/2,e,i)}return!0}return!1},_renderBackground:function(t){if(this.backgroundColor){var e=this._getNonTransformedDimensions();t.fillStyle=this.backgroundColor,t.fillRect(-e.x/2,-e.y/2,e.x,e.y),this._removeShadow(t)}},_setOpacity:function(t){this.group&&!this.group.transformDone?t.globalAlpha=this.getObjectOpacity():t.globalAlpha*=this.opacity},_setStrokeStyles:function(t,e){e.stroke&&(t.lineWidth=e.strokeWidth,t.lineCap=e.strokeLineCap,t.lineJoin=e.strokeLineJoin,t.miterLimit=e.strokeMiterLimit,t.strokeStyle=e.stroke.toLive?e.stroke.toLive(t,this):e.stroke)},_setFillStyles:function(t,e){e.fill&&(t.fillStyle=e.fill.toLive?e.fill.toLive(t,this):e.fill)},_setLineDash:function(t,e,i){e&&(1&e.length&&e.push.apply(e,e),a?t.setLineDash(e):i&&i(t))},_renderControls:function(t,i){var r,n=this.getViewportTransform(),s=this.calcTransformMatrix();i=i||{},s=e.util.multiplyTransformMatrices(n,s),r=e.util.qrDecompose(s),t.save(),t.translate(r.translateX,r.translateY),t.lineWidth=1*this.borderScaleFactor,this.group||(t.globalAlpha=this.isMoving?this.borderOpacityWhenMoving:1),this.group&&this.group===this.canvas.getActiveGroup()?(t.rotate(o(r.angle)),(this.hasBorders||i.hasBorders)&&this.drawBordersInGroup(t,r,i)):(t.rotate(o(this.angle)),(this.hasBorders||i.hasBorders)&&this.drawBorders(t,i)),(this.hasControls||i.hasControls)&&this.drawControls(t,i),t.restore()},_setShadow:function(t){if(this.shadow){var i=this.canvas&&this.canvas.viewportTransform[0]||1,r=this.canvas&&this.canvas.viewportTransform[3]||1,n=this.getObjectScaling();this.canvas&&this.canvas._isRetinaScaling()&&(i*=e.devicePixelRatio,r*=e.devicePixelRatio),t.shadowColor=this.shadow.color,t.shadowBlur=this.shadow.blur*(i+r)*(n.scaleX+n.scaleY)/4,t.shadowOffsetX=this.shadow.offsetX*i*n.scaleX,t.shadowOffsetY=this.shadow.offsetY*r*n.scaleY}},_removeShadow:function(t){this.shadow&&(t.shadowColor="",t.shadowBlur=t.shadowOffsetX=t.shadowOffsetY=0)},_applyPatternGradientTransform:function(t,e){if(e.toLive){var i=e.gradientTransform||e.patternTransform,r=-this.width/2+e.offsetX||0,n=-this.height/2+e.offsetY||0;t.translate(r,n),i&&t.transform.apply(t,i)}},_renderFill:function(t){this.fill&&(t.save(),this._applyPatternGradientTransform(t,this.fill),"evenodd"===this.fillRule?t.fill("evenodd"):t.fill(),t.restore())},_renderStroke:function(t){this.stroke&&0!==this.strokeWidth&&(this.shadow&&!this.shadow.affectStroke&&this._removeShadow(t),t.save(),this._setLineDash(t,this.strokeDashArray,this._renderDashedStroke),this._applyPatternGradientTransform(t,this.stroke),t.stroke(),t.restore())},_findCenterFromElement:function(){return{x:this.left+this.width/2,y:this.top+this.height/2}},_removeTransformMatrix:function(){var t=this._findCenterFromElement();if(this.transformMatrix){var i=e.util.qrDecompose(this.transformMatrix);this.flipX=!1,this.flipY=!1,this.set("scaleX",i.scaleX),this.set("scaleY",i.scaleY),this.angle=i.angle,this.skewX=i.skewX,this.skewY=0,t=e.util.transformPoint(t,this.transformMatrix)}this.transformMatrix=null,this.setPositionByOrigin(t,"center","center")},clone:function(t,i){return this.constructor.fromObject?this.constructor.fromObject(this.toObject(i),t):new e.Object(this.toObject(i))},cloneAsImage:function(t,i){var r=this.toDataURL(i);return e.util.loadImage(r,function(i){t&&t(new e.Image(i))}),this},toDataURL:function(t){t||(t={});var i=e.util.createCanvasElement(),r=this.getBoundingRect();i.width=r.width,i.height=r.height,e.util.wrapElement(i,"div");var n=new e.StaticCanvas(i,{enableRetinaScaling:t.enableRetinaScaling});"jpg"===t.format&&(t.format="jpeg"),"jpeg"===t.format&&(n.backgroundColor="#fff");var s={active:this.get("active"),left:this.getLeft(),top:this.getTop()};this.set("active",!1),this.setPositionByOrigin(new e.Point(n.getWidth()/2,n.getHeight()/2),"center","center");var o=this.canvas;n.add(this);var a=n.toDataURL(t);return this.set(s).setCoords(),this.canvas=o,n.dispose(),n=null,a},isType:function(t){return this.type===t},complexity:function(){return 1},toJSON:function(t){return this.toObject(t)},setGradient:function(t,i){i||(i={});var r={colorStops:[]};return r.type=i.type||(i.r1||i.r2?"radial":"linear"),r.coords={x1:i.x1,y1:i.y1,x2:i.x2,y2:i.y2},(i.r1||i.r2)&&(r.coords.r1=i.r1,r.coords.r2=i.r2),r.gradientTransform=i.gradientTransform,e.Gradient.prototype.addColorStop.call(r,i.colorStops),this.set(t,e.Gradient.forObject(this,r))},setPatternFill:function(t){return this.set("fill",new e.Pattern(t))},setShadow:function(t){return this.set("shadow",t?new e.Shadow(t):null)},setColor:function(t){return this.set("fill",t),this},setAngle:function(t){var e=("center"!==this.originX||"center"!==this.originY)&&this.centeredRotation;return e&&this._setOriginToCenter(),this.set("angle",t),e&&this._resetOrigin(),this},centerH:function(){return this.canvas&&this.canvas.centerObjectH(this),this},viewportCenterH:function(){return this.canvas&&this.canvas.viewportCenterObjectH(this),this},centerV:function(){return this.canvas&&this.canvas.centerObjectV(this),this},viewportCenterV:function(){return this.canvas&&this.canvas.viewportCenterObjectV(this),this},center:function(){return this.canvas&&this.canvas.centerObject(this),this},viewportCenter:function(){return this.canvas&&this.canvas.viewportCenterObject(this),this},remove:function(){return this.canvas&&this.canvas.remove(this),this},getLocalPointer:function(t,i){i=i||this.canvas.getPointer(t);var r=new e.Point(i.x,i.y),n=this._getLeftTopCoords();return this.angle&&(r=e.util.rotatePoint(r,n,o(-this.angle))),{x:r.x-n.x,y:r.y-n.y}},_setupCompositeOperation:function(t){this.globalCompositeOperation&&(t.globalCompositeOperation=this.globalCompositeOperation)}}),e.util.createAccessors(e.Object),e.Object.prototype.rotate=e.Object.prototype.setAngle,i(e.Object.prototype,e.Observable),e.Object.NUM_FRACTION_DIGITS=2,e.Object._fromObject=function(t,i,n,s,o){var a=e[t];if(i=r(i,!0),!s){var h=o?new a(i[o],i):new a(i);return n&&n(h),h}e.util.enlivenPatterns([i.fill,i.stroke],function(t){"undefined"!=typeof t[0]&&(i.fill=t[0]),"undefined"!=typeof t[1]&&(i.stroke=t[1]);var e=o?new a(i[o],i):new a(i);n&&n(e)})},e.Object.__uid=0)}("undefined"!=typeof exports?exports:this),function(){var t=fabric.util.degreesToRadians,e={left:-.5,center:0,right:.5},i={top:-.5,center:0,bottom:.5};fabric.util.object.extend(fabric.Object.prototype,{translateToGivenOrigin:function(t,r,n,s,o){var a,h,c,l=t.x,u=t.y;return"string"==typeof r?r=e[r]:r-=.5,"string"==typeof s?s=e[s]:s-=.5,a=s-r,"string"==typeof n?n=i[n]:n-=.5,"string"==typeof o?o=i[o]:o-=.5,h=o-n,(a||h)&&(c=this._getTransformedDimensions(),l=t.x+a*c.x,u=t.y+h*c.y),new fabric.Point(l,u)},translateToCenterPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,i,r,"center","center");return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},translateToOriginPoint:function(e,i,r){var n=this.translateToGivenOrigin(e,"center","center",i,r);return this.angle?fabric.util.rotatePoint(n,e,t(this.angle)):n},getCenterPoint:function(){var t=new fabric.Point(this.left,this.top);return this.translateToCenterPoint(t,this.originX,this.originY)},getPointByOrigin:function(t,e){var i=this.getCenterPoint();return this.translateToOriginPoint(i,t,e)},toLocalPoint:function(e,i,r){var n,s,o=this.getCenterPoint();return n="undefined"!=typeof i&&"undefined"!=typeof r?this.translateToGivenOrigin(o,"center","center",i,r):new fabric.Point(this.left,this.top),s=new fabric.Point(e.x,e.y),this.angle&&(s=fabric.util.rotatePoint(s,o,-t(this.angle))),s.subtractEquals(n)},setPositionByOrigin:function(t,e,i){var r=this.translateToCenterPoint(t,e,i),n=this.translateToOriginPoint(r,this.originX,this.originY);this.set("left",n.x), +this.set("top",n.y)},adjustPosition:function(i){var r,n,s=t(this.angle),o=this.getWidth(),a=Math.cos(s)*o,h=Math.sin(s)*o;r="string"==typeof this.originX?e[this.originX]:this.originX-.5,n="string"==typeof i?e[i]:i-.5,this.left+=a*(n-r),this.top+=h*(n-r),this.setCoords(),this.originX=i},_setOriginToCenter:function(){this._originalOriginX=this.originX,this._originalOriginY=this.originY;var t=this.getCenterPoint();this.originX="center",this.originY="center",this.left=t.x,this.top=t.y},_resetOrigin:function(){var t=this.translateToOriginPoint(this.getCenterPoint(),this._originalOriginX,this._originalOriginY);this.originX=this._originalOriginX,this.originY=this._originalOriginY,this.left=t.x,this.top=t.y,this._originalOriginX=null,this._originalOriginY=null},_getLeftTopCoords:function(){return this.translateToOriginPoint(this.getCenterPoint(),"left","top")},onDeselect:function(){}})}(),function(){function t(t){return[new fabric.Point(t.tl.x,t.tl.y),new fabric.Point(t.tr.x,t.tr.y),new fabric.Point(t.br.x,t.br.y),new fabric.Point(t.bl.x,t.bl.y)]}var e=fabric.util.degreesToRadians,i=fabric.util.multiplyTransformMatrices;fabric.util.object.extend(fabric.Object.prototype,{oCoords:null,aCoords:null,getCoords:function(e,i){this.oCoords||this.setCoords();var r=e?this.aCoords:this.oCoords;return t(i?this.calcCoords(e):r)},intersectsWithRect:function(t,e,i,r){var n=this.getCoords(i,r),s=fabric.Intersection.intersectPolygonRectangle(n,t,e);return"Intersection"===s.status},intersectsWithObject:function(t,e,i){var r=fabric.Intersection.intersectPolygonPolygon(this.getCoords(e,i),t.getCoords(e,i));return"Intersection"===r.status||t.isContainedWithinObject(this,e,i)||this.isContainedWithinObject(t,e,i)},isContainedWithinObject:function(t,e,i){for(var r=this.getCoords(e,i),n=0,s=t._getImageLines(i?t.calcCoords(e):e?t.aCoords:t.oCoords);n<4;n++)if(!t.containsPoint(r[n],s))return!1;return!0},isContainedWithinRect:function(t,e,i,r){var n=this.getBoundingRect(i,r);return n.left>=t.x&&n.left+n.width<=e.x&&n.top>=t.y&&n.top+n.height<=e.y},containsPoint:function(t,e,i,r){var e=e||this._getImageLines(r?this.calcCoords(i):i?this.aCoords:this.oCoords),n=this._findCrossPoints(t,e);return 0!==n&&n%2===1},isOnScreen:function(t){if(!this.canvas)return!1;for(var e,i=this.canvas.vptCoords.tl,r=this.canvas.vptCoords.br,n=this.getCoords(!0,t),s=0;s<4;s++)if(e=n[s],e.x<=r.x&&e.x>=i.x&&e.y<=r.y&&e.y>=i.y)return!0;if(this.intersectsWithRect(i,r,!0))return!0;var o={x:(i.x+r.x)/2,y:(i.y+r.y)/2};return!!this.containsPoint(o,null,!0)},_getImageLines:function(t){return{topline:{o:t.tl,d:t.tr},rightline:{o:t.tr,d:t.br},bottomline:{o:t.br,d:t.bl},leftline:{o:t.bl,d:t.tl}}},_findCrossPoints:function(t,e){var i,r,n,s,o,a,h=0;for(var c in e)if(a=e[c],!(a.o.y=t.y&&a.d.y>=t.y||(a.o.x===a.d.x&&a.o.x>=t.x?o=a.o.x:(i=0,r=(a.d.y-a.o.y)/(a.d.x-a.o.x),n=t.y-i*t.x,s=a.o.y-r*a.o.x,o=-(n-s)/(i-r)),o>=t.x&&(h+=1),2!==h)))break;return h},getBoundingRectWidth:function(){return this.getBoundingRect().width},getBoundingRectHeight:function(){return this.getBoundingRect().height},getBoundingRect:function(t,e){var i=this.getCoords(t,e);return fabric.util.makeBoundingBoxFromPoints(i)},getWidth:function(){return this._getTransformedDimensions().x},getHeight:function(){return this._getTransformedDimensions().y},_constrainScale:function(t){return Math.abs(t)0?Math.atan(o/s):0,l=s/Math.cos(c)/2,u=Math.cos(c+i)*l,f=Math.sin(c+i)*l,d=this.getCenterPoint(),g=t?d:fabric.util.transformPoint(d,r),p=new fabric.Point(g.x-u,g.y-f),v=new fabric.Point(p.x+s*h,p.y+s*a),m=new fabric.Point(p.x-o*a,p.y+o*h),b=new fabric.Point(g.x+u,g.y+f);if(!t)var _=new fabric.Point((p.x+m.x)/2,(p.y+m.y)/2),y=new fabric.Point((v.x+p.x)/2,(v.y+p.y)/2),x=new fabric.Point((b.x+v.x)/2,(b.y+v.y)/2),C=new fabric.Point((b.x+m.x)/2,(b.y+m.y)/2),S=new fabric.Point(y.x+a*this.rotatingPointOffset,y.y-h*this.rotatingPointOffset);var g={tl:p,tr:v,br:b,bl:m};return t||(g.ml=_,g.mt=y,g.mr=x,g.mb=C,g.mtr=S),g},setCoords:function(t,e){return this.oCoords=this.calcCoords(t),e||(this.aCoords=this.calcCoords(!0)),t||this._setCornerCoords&&this._setCornerCoords(),this},_calcRotateMatrix:function(){if(this.angle){var t=e(this.angle),i=Math.cos(t),r=Math.sin(t);return 6.123233995736766e-17!==i&&i!==-1.8369701987210297e-16||(i=0),[i,r,-r,i,0,0]}return fabric.iMatrix.concat()},calcTransformMatrix:function(t){var e=this.getCenterPoint(),r=[1,0,0,1,e.x,e.y],n=this._calcRotateMatrix(),s=this._calcDimensionsTransformMatrix(this.skewX,this.skewY,!0),o=this.group&&!t?this.group.calcTransformMatrix():fabric.iMatrix.concat();return o=i(o,r),o=i(o,n),o=i(o,s)},_calcDimensionsTransformMatrix:function(t,r,n){var s=[1,0,Math.tan(e(t)),1],o=[1,Math.tan(e(r)),0,1],a=this.scaleX*(n&&this.flipX?-1:1),h=this.scaleY*(n&&this.flipY?-1:1),c=[a,0,0,h],l=i(c,s,!0);return i(l,o,!0)},_getNonTransformedDimensions:function(){var t=this.strokeWidth,e=this.width+t,i=this.height+t;return{x:e,y:i}},_getTransformedDimensions:function(t,e){"undefined"==typeof t&&(t=this.skewX),"undefined"==typeof e&&(e=this.skewY);var i,r,n=this._getNonTransformedDimensions(),s=n.x/2,o=n.y/2,a=[{x:-s,y:-o},{x:s,y:-o},{x:-s,y:o},{x:s,y:o}],h=this._calcDimensionsTransformMatrix(t,e,!1);for(i=0;i\n')},_createBaseSVGMarkup:function(){var t=[];return this.fill&&this.fill.toLive&&t.push(this.fill.toSVG(this,!1)),this.stroke&&this.stroke.toLive&&t.push(this.stroke.toSVG(this,!1)),this.shadow&&t.push(this.shadow.toSVG(this)),t}})}(),function(){function t(t,e,r){var n={},s=!0;r.forEach(function(e){n[e]=t[e]}),i(t[e],n,s)}function e(t,i,r){if(!fabric.isLikelyNode&&t instanceof Element)return t===i;if(t instanceof Array){if(t.length!==i.length)return!1;for(var n=0,s=t.length;n\n'),t?t(e.join("")):e.join("")}}),i.Line.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")),i.Line.fromElement=function(t,e){e=e||{};var n=i.parseAttributes(t,i.Line.ATTRIBUTE_NAMES),s=[n.x1||0,n.y1||0,n.x2||0,n.y2||0];return e.originX="left",e.originY="top",new i.Line(s,r(n,e))},i.Line.fromObject=function(t,e,r){function s(t){delete t.points,e&&e(t)}var o=n(t,!0);o.points=[t.x1,t.y1,t.x2,t.y2];var a=i.Object._fromObject("Line",o,s,r,"points");return a&&delete a.points,a}}("undefined"!=typeof exports?exports:this),function(t){"use strict";function e(t){return"radius"in t&&t.radius>=0}var i=t.fabric||(t.fabric={}),r=Math.PI,n=i.util.object.extend;if(i.Circle)return void i.warn("fabric.Circle is already defined.");var s=i.Object.prototype.cacheProperties.concat();s.push("radius"),i.Circle=i.util.createClass(i.Object,{type:"circle",radius:0,startAngle:0,endAngle:2*r,cacheProperties:s,initialize:function(t){this.callSuper("initialize",t),this.set("radius",t&&t.radius||0)},_set:function(t,e){return this.callSuper("_set",t,e),"radius"===t&&this.setRadius(e),this},toObject:function(t){return this.callSuper("toObject",["radius","startAngle","endAngle"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,n=0,s=(this.endAngle-this.startAngle)%(2*r);if(0===s)e.push("\n');else{var o=Math.cos(this.startAngle)*this.radius,a=Math.sin(this.startAngle)*this.radius,h=Math.cos(this.endAngle)*this.radius,c=Math.sin(this.endAngle)*this.radius,l=s>r?"1":"0";e.push('\n')}return t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.arc(0,0,this.radius,this.startAngle,this.endAngle,!1),this._renderFill(t),this._renderStroke(t)},getRadiusX:function(){return this.get("radius")*this.get("scaleX")},getRadiusY:function(){return this.get("radius")*this.get("scaleY")},setRadius:function(t){return this.radius=t,this.set("width",2*t).set("height",2*t)}}),i.Circle.ATTRIBUTE_NAMES=i.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")),i.Circle.fromElement=function(t,r){r||(r={});var s=i.parseAttributes(t,i.Circle.ATTRIBUTE_NAMES);if(!e(s))throw new Error("value of `r` attribute is required and can not be negative");return s.left=(s.left||0)-s.radius,s.top=(s.top||0)-s.radius,s.originX="left",s.originY="top",new i.Circle(n(s,r))},i.Circle.fromObject=function(t,e,r){return i.Object._fromObject("Circle",t,e,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={});return e.Triangle?void e.warn("fabric.Triangle is already defined"):(e.Triangle=e.util.createClass(e.Object,{type:"triangle",initialize:function(t){this.callSuper("initialize",t),this.set("width",t&&t.width||100).set("height",t&&t.height||100)},_render:function(t){var e=this.width/2,i=this.height/2;t.beginPath(),t.moveTo(-e,i),t.lineTo(0,-i),t.lineTo(e,i),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=this.width/2,r=this.height/2;t.beginPath(),e.util.drawDashedLine(t,-i,r,0,-r,this.strokeDashArray),e.util.drawDashedLine(t,0,-r,i,r,this.strokeDashArray),e.util.drawDashedLine(t,i,r,-i,r,this.strokeDashArray),t.closePath()},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this.width/2,r=this.height/2,n=[-i+" "+r,"0 "+-r,i+" "+r].join(",");return e.push("'),t?t(e.join("")):e.join("")}}),void(e.Triangle.fromObject=function(t,i,r){return e.Object._fromObject("Triangle",t,i,r)}))}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=2*Math.PI,r=e.util.object.extend;if(e.Ellipse)return void e.warn("fabric.Ellipse is already defined.");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Ellipse=e.util.createClass(e.Object,{type:"ellipse",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this.set("rx",t&&t.rx||0),this.set("ry",t&&t.ry||0)},_set:function(t,e){switch(this.callSuper("_set",t,e),t){case"rx":this.rx=e,this.set("width",2*e);break;case"ry":this.ry=e,this.set("height",2*e)}return this},getRx:function(){return this.get("rx")*this.get("scaleX")},getRy:function(){return this.get("ry")*this.get("scaleY")},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=0,r=0;return e.push("\n'),t?t(e.join("")):e.join("")},_render:function(t){t.beginPath(),t.save(),t.transform(1,0,0,this.ry/this.rx,0,0),t.arc(0,0,this.rx,0,i,!1),t.restore(),this._renderFill(t),this._renderStroke(t)}}),e.Ellipse.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")),e.Ellipse.fromElement=function(t,i){i||(i={});var n=e.parseAttributes(t,e.Ellipse.ATTRIBUTE_NAMES);return n.left=(n.left||0)-n.rx,n.top=(n.top||0)-n.ry,n.originX="left",n.originY="top",new e.Ellipse(r(n,i))},e.Ellipse.fromObject=function(t,i,r){return e.Object._fromObject("Ellipse",t,i,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend;if(e.Rect)return void e.warn("fabric.Rect is already defined");var r=e.Object.prototype.stateProperties.concat();r.push("rx","ry");var n=e.Object.prototype.cacheProperties.concat();n.push("rx","ry"),e.Rect=e.util.createClass(e.Object,{stateProperties:r,type:"rect",rx:0,ry:0,cacheProperties:n,initialize:function(t){this.callSuper("initialize",t),this._initRxRy()},_initRxRy:function(){this.rx&&!this.ry?this.ry=this.rx:this.ry&&!this.rx&&(this.rx=this.ry)},_render:function(t){if(1===this.width&&1===this.height)return void t.fillRect(-.5,-.5,1,1);var e=this.rx?Math.min(this.rx,this.width/2):0,i=this.ry?Math.min(this.ry,this.height/2):0,r=this.width,n=this.height,s=-this.width/2,o=-this.height/2,a=0!==e||0!==i,h=.4477152502;t.beginPath(),t.moveTo(s+e,o),t.lineTo(s+r-e,o),a&&t.bezierCurveTo(s+r-h*e,o,s+r,o+h*i,s+r,o+i),t.lineTo(s+r,o+n-i),a&&t.bezierCurveTo(s+r,o+n-h*i,s+r-h*e,o+n,s+r-e,o+n),t.lineTo(s+e,o+n),a&&t.bezierCurveTo(s+h*e,o+n,s,o+n-h*i,s,o+n-i),t.lineTo(s,o+i),a&&t.bezierCurveTo(s,o+h*i,s+h*e,o,s+e,o),t.closePath(),this._renderFill(t),this._renderStroke(t)},_renderDashedStroke:function(t){var i=-this.width/2,r=-this.height/2,n=this.width,s=this.height;t.beginPath(),e.util.drawDashedLine(t,i,r,i+n,r,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r,i+n,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i+n,r+s,i,r+s,this.strokeDashArray),e.util.drawDashedLine(t,i,r+s,i,r,this.strokeDashArray),t.closePath()},toObject:function(t){return this.callSuper("toObject",["rx","ry"].concat(t))},toSVG:function(t){var e=this._createBaseSVGMarkup(),i=-this.width/2,r=-this.height/2;return e.push("\n'),t?t(e.join("")):e.join("")}}),e.Rect.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")),e.Rect.fromElement=function(t,r){if(!t)return null;r=r||{};var n=e.parseAttributes(t,e.Rect.ATTRIBUTE_NAMES);n.left=n.left||0,n.top=n.top||0,n.originX="left",n.originY="top";var s=new e.Rect(i(r?e.util.object.clone(r):{},n));return s.visible=s.visible&&s.width>0&&s.height>0,s},e.Rect.fromObject=function(t,i,r){return e.Object._fromObject("Rect",t,i,r)}}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.util.object.extend,r=e.util.array.min,n=e.util.array.max,s=e.util.toFixed,o=e.Object.NUM_FRACTION_DIGITS;if(e.Polyline)return void e.warn("fabric.Polyline is already defined");var a=e.Object.prototype.cacheProperties.concat();a.push("points"),e.Polyline=e.util.createClass(e.Object,{type:"polyline",points:null,minX:0,minY:0,cacheProperties:a,initialize:function(t,e){e=e||{},this.points=t||[],this.callSuper("initialize",e),this._calcDimensions(),"top"in e||(this.top=this.minY),"left"in e||(this.left=this.minX),this.pathOffset={x:this.minX+this.width/2,y:this.minY+this.height/2}},_calcDimensions:function(){var t=this.points,e=r(t,"x"),i=r(t,"y"),s=n(t,"x"),o=n(t,"y");this.width=s-e||0,this.height=o-i||0,this.minX=e||0,this.minY=i||0},toObject:function(t){return i(this.callSuper("toObject",t),{points:this.points.concat()})},toSVG:function(t){for(var e=[],i=this.pathOffset.x,r=this.pathOffset.y,n=this._createBaseSVGMarkup(),a=0,h=this.points.length;a\n'),t?t(n.join("")):n.join("")},commonRender:function(t){var e,i=this.points.length,r=this.pathOffset.x,n=this.pathOffset.y;if(!i||isNaN(this.points[i-1].y))return!1;t.beginPath(),t.moveTo(this.points[0].x-r,this.points[0].y-n);for(var s=0;s"},toObject:function(t){var e=n(this.callSuper("toObject",["sourcePath","pathOffset"].concat(t)),{path:this.path.map(function(t){return t.slice()}),top:this.top,left:this.left});return e},toDatalessObject:function(t){var e=this.toObject(t);return this.sourcePath&&(e.path=this.sourcePath),delete e.sourcePath,e},toSVG:function(t){for(var e=[],i=this._createBaseSVGMarkup(),r="",n=0,s=this.path.length;n\n"),t?t(i.join("")):i.join("")},complexity:function(){return this.path.length},_parsePath:function(){for(var t,e,i,r,n,s=[],o=[],c=/([-+]?((\d+\.\d+)|((\d+)|(\.\d+)))(?:e[-+]?\d+)?)/gi,l=0,u=this.path.length;lp)for(var m=1,b=n.length;m"},addWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),t&&(this._objects.push(t),t.group=this,t._set("canvas",this.canvas)),this.forEachObject(this._setObjectActive,this),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_setObjectActive:function(t){t.set("active",!0),t.group=this},removeWithUpdate:function(t){return this._restoreObjectsState(),e.util.resetObjectTransform(this),this.forEachObject(this._setObjectActive,this),this.remove(t),this._calcBounds(),this._updateObjectsCoords(),this.setCoords(),this.dirty=!0,this},_onObjectAdded:function(t){this.dirty=!0,t.group=this,t._set("canvas",this.canvas)},_onObjectRemoved:function(t){this.dirty=!0,delete t.group,t.set("active",!1)},delegatedProperties:{fill:!0,stroke:!0,strokeWidth:!0,fontFamily:!0,fontWeight:!0,fontSize:!0,fontStyle:!0,lineHeight:!0,textDecoration:!0,textAlign:!0,backgroundColor:!0},_set:function(t,e){var i=this._objects.length;if(this.delegatedProperties[t]||"canvas"===t)for(;i--;)this._objects[i].set(t,e);else for(;i--;)this._objects[i].setOnGroup(t,e);this.callSuper("_set",t,e)},toObject:function(t){var e=this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toObject(t);return e.includeDefaultValues=i,r});return i(this.callSuper("toObject",t),{objects:e})},toDatalessObject:function(t){var e,r=this.sourcePath;return e=r?r:this.getObjects().map(function(e){var i=e.includeDefaultValues;e.includeDefaultValues=e.group.includeDefaultValues;var r=e.toDatalessObject(t);return e.includeDefaultValues=i,r}),i(this.callSuper("toDatalessObject",t),{objects:e})},render:function(t){this._transformDone=!0,this.callSuper("render",t),this._transformDone=!1},shouldCache:function(){var t=this.objectCaching&&(!this.group||this.needsItsOwnCache||!this.group.isCaching());if(this.caching=t,t)for(var e=0,i=this._objects.length;e\n');for(var i=0,r=this._objects.length;i\n"),t?t(e.join("")):e.join("")},get:function(t){if(t in s){if(this[t])return this[t];for(var e=0,i=this._objects.length;e\n',"\n"),this.stroke||this.strokeDashArray){var o=this.fill;this.fill=null,e.push("\n'),this.fill=o}return e.push("\n"),t?t(e.join("")):e.join("")},getSrc:function(t){var e=t?this._element:this._originalElement;return e?fabric.isLikelyNode?e._src:e.src:this.src||""},setSrc:function(t,e,i){return fabric.util.loadImage(t,function(t){this.setElement(t,i),e(this)},this,i&&i.crossOrigin),this},toString:function(){return'#'},applyResizeFilters:function(){var t=this.resizeFilter,e=this.canvas?this.canvas.getRetinaScaling():1,i=this.minimumScaleTrigger,r=this.scaleX=1&&n>=1)return void(this._element=this._filteredEl);fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend());var s,o=this._filteredEl||this._originalElement;if(this._element===this._originalElement){var a=fabric.util.createCanvasElement();a.width=o.width,a.height=o.height,this._element=a}var h=this._element.getContext("2d");o.getContext?s=o.getContext("2d").getImageData(0,0,o.width,o.height):(h.drawImage(o,0,0),s=h.getImageData(0,0,o.width,o.height));var c={imageData:s,scaleX:r,scaleY:n};t.applyTo2d(c),this.width=this._element.width=c.imageData.width,this.height=this._element.height=c.imageData.height,h.putImageData(c.imageData,0,0)},applyFilters:function(t){if(t=t||this.filters||[],t=t.filter(function(t){return t}),0===t.length)return this._element=this._originalElement,this._filterScalingX=1,this._filterScalingY=1,this;var e=this._originalElement,i=e.naturalWidth||e.width,r=e.naturalHeight||e.height;if(this._element===this._originalElement){var n=fabric.util.createCanvasElement();n.width=e.width,n.height=e.height,this._element=n}else this._element.getContext("2d").clearRect(0,0,i,r);return fabric.filterBackend||(fabric.filterBackend=fabric.initFilterBackend()),fabric.filterBackend.applyFilters(t,this._originalElement,i,r,this._element,this.cacheKey),this.width===this._element.width&&this.height===this._element.height||(this._filterScalingX=this._element.width/this.width,this._filterScalingY=this._element.height/this.height,this.width=this._element.width,this.height=this._element.height),this},_render:function(t){var e,i=-this.width/2,r=-this.height/2,n=this._findMargins();"slice"===this.meetOrSlice&&(t.beginPath(),t.rect(i,r,this.width,this.height),t.clip()),this.isMoving===!1&&this.resizeFilter&&this._needsResize()&&(this._lastScaleX=this.scaleX,this._lastScaleY=this.scaleY,this.applyResizeFilters()),e=this._element,e&&t.drawImage(e,i+n.marginX,r+n.marginY,n.width,n.height),this._stroke(t),this._renderStroke(t)},_needsResize:function(){return this.scaleX!==this._lastScaleX||this.scaleY!==this._lastScaleY},_findMargins:function(){var t,e,i=this.width,r=this.height,n=0,s=0;return"none"===this.alignX&&"none"===this.alignY||(t=[this.width/this._element.width,this.height/this._element.height],e="meet"===this.meetOrSlice?Math.min.apply(null,t):Math.max.apply(null,t),i=this._element.width*e,r=this._element.height*e,"Mid"===this.alignX&&(n=(this.width-i)/2),"Max"===this.alignX&&(n=this.width-i),"Mid"===this.alignY&&(s=(this.height-r)/2),"Max"===this.alignY&&(s=this.height-r)),{width:i,height:r,marginX:n,marginY:s}},_resetWidthHeight:function(){var t=this.getElement();this.set("width",t.width),this.set("height",t.height)},_initElement:function(t,e){this.setElement(fabric.util.getById(t),e),fabric.util.addClass(this.getElement(),fabric.Image.CSS_CANVAS)},_initConfig:function(t){t||(t={}),this.setOptions(t),this._setWidthHeight(t),this._element&&this.crossOrigin&&(this._element.crossOrigin=this.crossOrigin)},_initFilters:function(t,e){t&&t.length?fabric.util.enlivenObjects(t,function(t){e&&e(t)},"fabric.Image.filters"):e&&e()},_setWidthHeight:function(t){this.width="width"in t?t.width:this.getElement()?this.getElement().width||0:0,this.height="height"in t?t.height:this.getElement()?this.getElement().height||0:0}}),fabric.Image.CSS_CANVAS="canvas-img",fabric.Image.prototype.getSvgSrc=fabric.Image.prototype.getSrc,fabric.Image.fromObject=function(t,e){fabric.util.loadImage(t.src,function(i,r){return r?void(e&&e(null,r)):void fabric.Image.prototype._initFilters.call(t,t.filters,function(r){t.filters=r||[],fabric.Image.prototype._initFilters.call(t,[t.resizeFilter],function(r){t.resizeFilter=r[0];var n=new fabric.Image(i,t);e(n)})})},null,t.crossOrigin)},fabric.Image.fromURL=function(t,e,i){fabric.util.loadImage(t,function(t){e&&e(new fabric.Image(t,i))},null,i&&i.crossOrigin)},fabric.Image.ATTRIBUTE_NAMES=fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")),fabric.Image.fromElement=function(t,i,r){var n,s=fabric.parseAttributes(t,fabric.Image.ATTRIBUTE_NAMES);s.preserveAspectRatio&&(n=fabric.util.parsePreserveAspectRatioAttribute(s.preserveAspectRatio),e(s,n)),fabric.Image.fromURL(s["xlink:href"],i,e(r?fabric.util.object.clone(r):{},s))},fabric.Image.async=!0,fabric.Image.pngCompression=1}("undefined"!=typeof exports?exports:this),fabric.util.object.extend(fabric.Object.prototype,{_getAngleValueForStraighten:function(){var t=this.getAngle()%360;return t>0?90*Math.round((t-1)/90):90*Math.round(t/90)},straighten:function(){return this.setAngle(this._getAngleValueForStraighten()),this},fxStraighten:function(t){t=t||{};var e=function(){},i=t.onComplete||e,r=t.onChange||e,n=this;return fabric.util.animate({startValue:this.get("angle"),endValue:this._getAngleValueForStraighten(),duration:this.FX_DURATION,onChange:function(t){n.setAngle(t),r()},onComplete:function(){n.setCoords(),i()},onStart:function(){n.set("active",!1)}}),this}}),fabric.util.object.extend(fabric.StaticCanvas.prototype,{straightenObject:function(t){return t.straighten(),this.renderAll(),this},fxStraightenObject:function(t){return t.fxStraighten({onChange:this.renderAll.bind(this)}),this}}),function(){"use strict";function t(t){t&&t.tileSize&&(this.tileSize=t.tileSize),this.setupGLContext(this.tileSize,this.tileSize),this.captureGPUInfo()}fabric.isWebglSupported=function(t){if(fabric.isLikelyNode)return!1;t=t||fabric.WebglFilterBackend.prototype.tileSize;var e=document.createElement("canvas"),i=e.getContext("webgl")||e.getContext("experimental-webgl"),r=!1;return i&&(fabric.maxTextureSize=i.getParameter(i.MAX_TEXTURE_SIZE),r=fabric.maxTextureSize>=t),this.isSupported=r,r},fabric.WebglFilterBackend=t,t.prototype={tileSize:2048,resources:{},setupGLContext:function(t,e){this.dispose(),this.createWebGLCanvas(t,e),this.squareVertices=new Float32Array([0,0,0,1,1,0,1,1])},createWebGLCanvas:function(t,e){var i=fabric.util.createCanvasElement();i.width=t,i.height=e;var r={premultipliedAlpha:!1},n=i.getContext("webgl",r);n||(n=i.getContext("experimental-webgl",r)),n&&(n.clearColor(0,0,0,0),this.canvas=i,this.gl=n)},applyFilters:function(t,e,i,r,n,s){var o,a=this.gl;s&&(o=this.getCachedTexture(s,e));var h={originalWidth:e.width||e.originalWidth,originalHeight:e.height||e.originalHeight,sourceWidth:i,sourceHeight:r,context:a,sourceTexture:this.createTexture(a,i,r,!o&&e),targetTexture:this.createTexture(a,i,r),originalTexture:o||this.createTexture(a,i,r,!o&&e),passes:t.length,webgl:!0,squareVertices:this.squareVertices,programCache:this.programCache,pass:0},c=a.createFramebuffer();return a.bindFramebuffer(a.FRAMEBUFFER,c),t.forEach(function(t){t&&t.applyTo(h)}),this.copyGLTo2D(a.canvas,n),a.bindTexture(a.TEXTURE_2D,null),a.deleteTexture(h.sourceTexture),a.deleteTexture(h.targetTexture),a.deleteFramebuffer(c),n.getContext("2d").setTransform(1,0,0,1,0,0),h},applyFiltersDebug:function(t,e,i,r,n,s){var o=this.gl,a=this.applyFilters(t,e,i,r,n,s),h=o.getError();if(h!==o.NO_ERROR){var c=this.glErrorToString(o,h),l=new Error("WebGL Error "+c);throw l.glErrorCode=h,l}return a},glErrorToString:function(t,e){if(!t)return"Context undefined for error code: "+e;if("number"!=typeof e)return"Error code is not a number";switch(e){case t.NO_ERROR:return"NO_ERROR";case t.INVALID_ENUM:return"INVALID_ENUM";case t.INVALID_VALUE:return"INVALID_VALUE";case t.INVALID_OPERATION:return"INVALID_OPERATION";case t.INVALID_FRAMEBUFFER_OPERATION:return"INVALID_FRAMEBUFFER_OPERATION";case t.OUT_OF_MEMORY:return"OUT_OF_MEMORY";case t.CONTEXT_LOST_WEBGL:return"CONTEXT_LOST_WEBGL";default:return"UNKNOWN_ERROR"}},dispose:function(){this.canvas&&(this.canvas=null,this.gl=null),this.clearWebGLCaches()},clearWebGLCaches:function(){this.programCache={},this.textureCache={}},createTexture:function(t,e,i,r){var n=t.createTexture();return t.bindTexture(t.TEXTURE_2D,n),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MAG_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_MIN_FILTER,t.NEAREST),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(t.TEXTURE_2D,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),r?t.texImage2D(t.TEXTURE_2D,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,r):t.texImage2D(t.TEXTURE_2D,0,t.RGBA,e,i,0,t.RGBA,t.UNSIGNED_BYTE,null),n},getCachedTexture:function(t,e){if(this.textureCache[t])return this.textureCache[t];var i=this.createTexture(this.gl,e.width,e.height,e);return this.textureCache[t]=i,i},copyGLTo2D:function(t,e){var i=e.getContext("2d");i.translate(0,e.height),i.scale(1,-1);var r=t.height-e.height;i.drawImage(t,0,r,e.width,e.height,0,0,e.width,e.height)},evictCachesForKey:function(t){this.textureCache[t]&&(this.gl.deleteTexture(this.textureCache[t]),delete this.textureCache[t])},captureGPUInfo:function(){if(this.gpuInfo)return this.gpuInfo;var t=this.gl,e=t.getExtension("WEBGL_debug_renderer_info"),i={renderer:"",vendor:""};if(e){var r=t.getParameter(e.UNMASKED_RENDERER_WEBGL),n=t.getParameter(e.UNMASKED_VENDOR_WEBGL);r&&(i.renderer=r.toLowerCase()),n&&(i.vendor=n.toLowerCase())}return this.gpuInfo=i,i}}}(),function(){"use strict";function t(){}var e=function(){};fabric.Canvas2dFilterBackend=t,t.prototype={evictCachesForKey:e,dispose:e,clearWebGLCaches:e,resources:{},applyFilters:function(t,e,i,r,n){var s=n.getContext("2d");s.drawImage(e,0,0,i,r);var o=s.getImageData(0,0,i,r),a=s.getImageData(0,0,i,r),h={sourceWidth:i,sourceHeight:r,imageData:o,originalEl:e,originalImageData:a,canvasEl:n,ctx:s};return t.forEach(function(t){t.applyTo(h)}),h.imageData.width===i&&h.imageData.height===r||(n.width=h.imageData.width,n.height=h.imageData.height),s.putImageData(h.imageData,0,0),h}}}(),fabric.Image.filters=fabric.Image.filters||{},fabric.Image.filters.BaseFilter=fabric.util.createClass({type:"BaseFilter",vertexSource:"attribute vec2 aPosition;\nattribute vec2 aTexCoord;\nvarying vec2 vTexCoord;\nvoid main() {\nvTexCoord = aTexCoord;\ngl_Position = vec4(aPosition * 2.0 - 1.0, 0.0, 1.0);\n}",fragmentSource:"precision highp float;\nvarying vec2 vTexCoord;\nuniform sampler2d uTexture;\nvoid main() {\ngl_FragColor = texture2D(uTexture, vTexCoord);\n}",initialize:function(t){t&&this.setOptions(t)},setOptions:function(t){for(var e in t)this[e]=t[e]},createProgram:function(t,e,i){if(this.vertexSource&&this.fragmentSource){var r=t.createShader(t.VERTEX_SHADER);if(t.shaderSource(r,i||this.vertexSource),t.compileShader(r),!t.getShaderParameter(r,t.COMPILE_STATUS))throw new Error('Vertex shader compile error for "${this.type}": '+t.getShaderInfoLog(r));var n=t.createShader(t.FRAGMENT_SHADER);if(t.shaderSource(n,e||this.fragmentSource),t.compileShader(n),!t.getShaderParameter(n,t.COMPILE_STATUS))throw new Error('Fragment shader compile error for "${this.type}": '+t.getShaderInfoLog(n));var s=t.createProgram();if(t.attachShader(s,r),t.attachShader(s,n),t.linkProgram(s),!t.getProgramParameter(s,t.LINK_STATUS))throw new Error('Shader link error for "${this.type}" '+t.getProgramInfoLog(s));var o=this.getAttributeLocations(t,s),a=this.getUniformLocations(t,s)||{};return a.uWidth=t.getUniformLocation(s,"uWidth"),a.uHeight=t.getUniformLocation(s,"uHeight"),{program:s,attributeLocations:o,uniformLocations:a}}},getAttributeLocations:function(t,e){return{aPosition:t.getAttribLocation(e,"aPosition"),aTexCoord:t.getAttribLocation(e,"aTexCoord")}},getUniformLocations:function(){},sendAttributeData:function(t,e,i){["aPosition","aTexCoord"].forEach(function(r){var n=e[r],s=t.createBuffer();t.bindBuffer(t.ARRAY_BUFFER,s),t.enableVertexAttribArray(n),t.vertexAttribPointer(n,2,t.FLOAT,!1,0,0),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW)})},_setupFrameBuffer:function(t){var e=t.context;t.passes>1?e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.targetTexture,0):(e.bindFramebuffer(e.FRAMEBUFFER,null),e.finish())},_swapTextures:function(t){t.passes--,t.pass++;var e=t.targetTexture;t.targetTexture=t.sourceTexture,t.sourceTexture=e},isNeutralState:function(){return!1},applyTo:function(t){if(t.webgl){if(t.passes>1&&this.isNeutralState(t))return;this._setupFrameBuffer(t),this.applyToWebGL(t),this._swapTextures(t)}else this.applyTo2d(t)},retrieveShader:function(t){return t.programCache.hasOwnProperty(this.type)||(t.programCache[this.type]=this.createProgram(t.context)),t.programCache[this.type]},applyToWebGL:function(t){var e=t.context,i=this.retrieveShader(t);0===t.pass&&t.originalTexture?e.bindTexture(e.TEXTURE_2D,t.originalTexture):e.bindTexture(e.TEXTURE_2D,t.sourceTexture),e.useProgram(i.program),this.sendAttributeData(e,i.attributeLocations,t.squareVertices),e.uniform1f(i.uniformLocations.uStepW,1/t.sourceWidth),e.uniform1f(i.uniformLocations.uStepH,1/t.sourceHeight),this.sendUniformData(e,i.uniformLocations),e.viewport(0,0,t.sourceWidth,t.sourceHeight),e.drawArrays(e.TRIANGLE_STRIP,0,4)},bindAdditionalTexture:function(t,e,i){t.activeTexture(i),t.bindTexture(t.TEXTURE_2D,e),t.activeTexture(t.TEXTURE0)},unbindAdditionalTexture:function(t,e){t.activeTexture(e),t.bindTexture(t.TEXTURE_2D,null),t.activeTexture(t.TEXTURE0)},getMainParameter:function(){return this[this.mainParameter]},setMainParameter:function(t){this[this.mainParameter]=t},sendUniformData:function(){},createHelpLayer:function(t){if(!t.helpLayer){var e=document.createElement("canvas");e.width=t.sourceWidth,e.height=t.sourceHeight,t.helpLayer=e}},toObject:function(){var t={type:this.type},e=this.mainParameter;return e&&(t[e]=this[e]),t},toJSON:function(){return this.toObject()}}),fabric.Image.filters.BaseFilter.fromObject=function(t,e){var i=new fabric.Image.filters[t.type](t);return e&&e(i),i},function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.ColorMatrix=r(i.BaseFilter,{type:"ColorMatrix",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nuniform mat4 uColorMatrix;\nuniform vec4 uConstants;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\ncolor *= uColorMatrix;\ncolor += uConstants;\ngl_FragColor = color;\n}",matrix:[1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0],mainParameter:"matrix",colorsOnly:!0,initialize:function(t){this.callSuper("initialize",t),this.matrix=this.matrix.slice(0)},applyTo2d:function(t){var e,i,r,n,s,o=t.imageData,a=o.data,h=a.length,c=this.matrix,l=this.colorsOnly;for(s=0;sy||o<0||o>_||(h=4*(a*_+o),c=v[d*m+f],e+=p[h]*c,i+=p[h+1]*c,r+=p[h+2]*c,S||(n+=p[h+3]*c));C[s]=e,C[s+1]=i,C[s+2]=r,S?C[s+3]=p[s+3]:C[s+3]=n}t.imageData=x},getUniformLocations:function(t,e){return{uMatrix:t.getUniformLocation(e,"uMatrix"),uOpaque:t.getUniformLocation(e,"uOpaque"),uHalfSize:t.getUniformLocation(e,"uHalfSize"),uSize:t.getUniformLocation(e,"uSize")}},sendUniformData:function(t,e){t.uniform1fv(e.uMatrix,this.matrix)},toObject:function(){return i(this.callSuper("toObject"),{opaque:this.opaque,matrix:this.matrix})}}),e.Image.filters.Convolute.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Grayscale=r(i.BaseFilter,{type:"Grayscale",fragmentSource:{average:"precision highp float;\nuniform sampler2D uTexture;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat average = (color.r + color.b + color.g) / 3.0;\ngl_FragColor = vec4(average, average, average, color.a);\n}",lightness:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = (max(max(col.r, col.g),col.b) + min(min(col.r, col.g),col.b)) / 2.0;\ngl_FragColor = vec4(average, average, average, col.a);\n}",luminosity:"precision highp float;\nuniform sampler2D uTexture;\nuniform int uMode;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 col = texture2D(uTexture, vTexCoord);\nfloat average = 0.21 * col.r + 0.72 * col.g + 0.07 * col.b;\ngl_FragColor = vec4(average, average, average, col.a);\n}"},mode:"average",mainParameter:"mode",applyTo2d:function(t){var e,i,r=t.imageData,n=r.data,s=n.length,o=this.mode;for(e=0;el[0]&&n>l[1]&&s>l[2]&&rt)return 0;if(e*=Math.PI,s(e)<1e-16)return 1;var i=e/t;return a(e)*a(i)/e/i}}function f(t){var a,h,u,O,k,j,D,E,P,A,M;for(T.x=(t+.5)*m,w.x=r(T.x),a=0;a=e)){A=r(1e3*s(h-T.x)),S[A]||(S[A]={});for(var L=w.y-C;L<=w.y+C;L++)L<0||L>=o||(M=r(1e3*s(L-T.y)),S[A][M]||(S[A][M]=v(n(i(A*_,2)+i(M*y,2))/1e3)),u=S[A][M],u>0&&(O=4*(L*e+h),k+=u,j+=u*d[O],D+=u*d[O+1],E+=u*d[O+2],P+=u*d[O+3]))}O=4*(a*c+t),p[O]=j/k,p[O+1]=D/k,p[O+2]=E/k,p[O+3]=P/k}return++t1&&L<-1||(y=2*L*L*L-3*L*L+1,y>0&&(M=4*(A+j*e),O+=y*g[M+3],C+=y,g[M+3]<255&&(y=y*g[M+3]/250),S+=y*g[M],T+=y*g[M+1],w+=y*g[M+2],x+=y))}v[_]=S/x,v[_+1]=T/x,v[_+2]=w/x,v[_+3]=O/C}return p},toObject:function(){return{type:this.type,scaleX:this.scaleX,scaleY:this.scaleY,resizeType:this.resizeType,lanczosLobes:this.lanczosLobes}}}),e.Image.filters.Resize.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Contrast=r(i.BaseFilter,{type:"Contrast",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform float uContrast;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nfloat contrastF = 1.015 * (uContrast + 1.0) / (1.0 * (1.015 - uContrast));\ncolor.rgb = contrastF * (color.rgb - 0.5) + 0.5;\ngl_FragColor = color;\n}",contrast:0,mainParameter:"contrast",applyTo2d:function(t){if(0!==this.contrast){var e,i,r=t.imageData,n=r.data,i=n.length,s=Math.floor(255*this.contrast),o=259*(s+255)/(255*(259-s));for(e=0;e1&&(e=1/this.aspectRatio):this.aspectRatio<1&&(e=this.aspectRatio),t=e*this.blur*.12,this.horizontal?i[0]=t:i[1]=t,i}}),i.Blur.fromObject=e.Image.filters.BaseFilter.fromObject}("undefined"!=typeof exports?exports:this),function(t){"use strict";var e=t.fabric||(t.fabric={}),i=e.Image.filters,r=e.util.createClass;i.Gamma=r(i.BaseFilter,{type:"Gamma",fragmentSource:"precision highp float;\nuniform sampler2D uTexture;\nuniform vec3 uGamma;\nvarying vec2 vTexCoord;\nvoid main() {\nvec4 color = texture2D(uTexture, vTexCoord);\nvec3 correction = (1.0 / uGamma);\ncolor.r = pow(color.r, correction.r);\ncolor.g = pow(color.g, correction.g);\ncolor.b = pow(color.b, correction.b);\ngl_FragColor = color;\ngl_FragColor.rgb *= color.a;\n}",gamma:[1,1,1],mainParameter:"gamma",applyTo2d:function(t){var e,i=t.imageData,r=i.data,n=this.gamma,s=r.length,o=1/n[0],a=1/n[1],h=1/n[2];for(this.rVals||(this.rVals=new Uint8Array(256),this.gVals=new Uint8Array(256),this.bVals=new Uint8Array(256)),e=0,s=256;e'},_getCacheCanvasDimensions:function(){var t=this.callSuper("_getCacheCanvasDimensions"),e=this.fontSize;return t.width+=e*t.zoomX,t.height+=e*t.zoomY,t},_render:function(t){this._setTextStyles(t),this._renderTextLinesBackground(t),this._renderTextDecoration(t,"underline"),this._renderText(t),this._renderTextDecoration(t,"overline"),this._renderTextDecoration(t,"linethrough")},_renderText:function(t){this._renderTextFill(t),this._renderTextStroke(t)},_setTextStyles:function(t,e,i){t.textBaseline="alphabetic",t.font=this._getFontDeclaration(e,i)},calcTextWidth:function(){for(var t=this.getLineWidth(0),e=1,i=this._textLines.length;et&&(t=r)}return t},_renderTextLine:function(t,e,i,r,n,s){this._renderChars(t,e,i,r,n,s)},_renderTextLinesBackground:function(t){if(this.textBackgroundColor||this.styleHas("textBackgroundColor")){for(var e,i,r,n,s,o,a=0,h=t.fillStyle,c=this._getLeftOffset(),l=this._getTopOffset(),u=0,f=0,d=0,g=this._textLines.length;ds)){var v=h-s;c[t]=h,c[f]+=v,s=h}return{width:s*g,kernedWidth:h*g}},getHeightOfChar:function(t,e){return this.getValueOfPropertyAt(t,e,"fontSize")},measureLine:function(t){var e=this._measureLine(t);return 0!==this.charSpacing&&(e.width-=this._getWidthOfCharSpacing()),e.width<0&&(e.width=0),e},_measureLine:function(t){var e,i,r,n,s=0,o=this._textLines[t],a=0,h=new Array(o.length);for(this.__charBounds[t]=h,e=0;e0&&!n){var u=this.__charBounds[e][i-1];l.left=u.left+u.width+a.kernedWidth-a.width}return l},getHeightOfLine:function(t){if(this.__lineHeights[t])return this.__lineHeights[t];for(var e=this._textLines[t],i=this.getHeightOfChar(t,0),r=1,n=e.length;ri&&(i=s)}return this.__lineHeights[t]=i*this.lineHeight*this._fontSizeMult,this.__lineHeights[t]},calcTextHeight:function(){for(var t,e=0,i=0,r=this._textLines.length;i0?(t.fillStyle=f,s&&f&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),o=h.left,a=h.width,s=c,f=u):a+=h.kernedWidth;t.fillStyle=u,c&&u&&t.fillRect(d+r+o,g+l*(1-this._fontSizeFraction)+this.offsets[e]*this.fontSize,a,this.fontSize/15),g+=i}else g+=i;this._removeShadow(t)}},_getFontDeclaration:function(t,i){var r=t||this;return[e.isLikelyNode?r.fontWeight:r.fontStyle,e.isLikelyNode?r.fontStyle:r.fontWeight,i?n+"px":r.fontSize+"px",e.isLikelyNode?'"'+r.fontFamily+'"':r.fontFamily].join(" ")},render:function(t){this.visible&&(this.canvas&&this.canvas.skipOffscreen&&!this.group&&!this.isOnScreen()||(this._shouldClearDimensionCache()&&this.initDimensions(),this.callSuper("render",t)))},_splitTextIntoLines:function(t){for(var i=t.split(this._reNewline),r=new Array(i.length),n=["\n"],s=[],o=0;o-1&&(this.initDimensions(),this.setCoords())},complexity:function(){return 1}}),e.Text.ATTRIBUTE_NAMES=e.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")),e.Text.DEFAULT_SVG_FONT_SIZE=16,e.Text.fromElement=function(t,r){if(!t)return null;var n=e.parseAttributes(t,e.Text.ATTRIBUTE_NAMES);if(r=e.util.object.extend(r?i(r):{},n),r.top=r.top||0,r.left=r.left||0,n.textDecoration){var s=n.textDecoration;s.indexOf("underline")!==-1&&(r.underline=!0),s.indexOf("overline")!==-1&&(r.overline=!0),s.indexOf("line-through")!==-1&&(r.linethrough=!0),delete r.textDecoration}"dx"in n&&(r.left+=n.dx),"dy"in n&&(r.top+=n.dy),"fontSize"in r||(r.fontSize=e.Text.DEFAULT_SVG_FONT_SIZE),r.originX||(r.originX="left");var o="";"textContent"in t?o=t.textContent:"firstChild"in t&&null!==t.firstChild&&"data"in t.firstChild&&null!==t.firstChild.data&&(o=t.firstChild.data),o=o.replace(/^\s+|\s+$|\n+/g,"").replace(/\s+/g," ");var a=new e.Text(o,r),h=a.getHeight()/a.height,c=(a.height+a.strokeWidth)*a.lineHeight-a.height,l=c*h,u=a.getHeight()+l,f=0;return"center"===a.originX&&(f=a.getWidth()/2),"right"===a.originX&&(f=a.getWidth()),a.set({left:a.getLeft()-f,top:a.getTop()-(u-a.fontSize*(.18+a._fontSizeFraction))/a.lineHeight}),a.originX="left",a.originY="top",a},e.Text.fromObject=function(t,i,r){return e.Object._fromObject("Text",t,i,r,"text")},e.util.createAccessors(e.Text)}("undefined"!=typeof exports?exports:this),function(){function t(t){t.textDecoration&&(t.textDecoration.indexOf("underline")>-1&&(t.underline=!0),t.textDecoration.indexOf("line-through")>-1&&(t.linethrough=!0),t.textDecoration.indexOf("overline")>-1&&(t.overline=!0),delete t.textDecoration)}fabric.IText=fabric.util.createClass(fabric.Text,fabric.Observable,{type:"i-text",selectionStart:0,selectionEnd:0,selectionColor:"rgba(17,119,255,0.3)",isEditing:!1,editable:!0,editingBorderColor:"rgba(102,153,255,0.25)",cursorWidth:2,cursorColor:"#333",cursorDelay:1e3,cursorDuration:600,caching:!0,_reSpace:/\s|\n/,_currentCursorOpacity:0,_selectionDirection:null,_abortCursorAnimation:!1,__widthOfSpace:[],inCompositionMode:!1,initialize:function(t,e){this.styles=e?e.styles||{}:{},this.callSuper("initialize",t,e),this.initBehavior()},setSelectionStart:function(t){t=Math.max(t,0),this._updateAndFire("selectionStart",t)},setSelectionEnd:function(t){t=Math.min(t,this.text.length),this._updateAndFire("selectionEnd",t)},_updateAndFire:function(t,e){this[t]!==e&&(this._fireSelectionChanged(),this[t]=e),this._updateTextarea()},_fireSelectionChanged:function(){this.fire("selection:changed"),this.canvas&&this.canvas.fire("text:selection:changed",{target:this})},getSelectionStyles:function(t,e){if(2===arguments.length){for(var i=[],r=t;r0?o:0)},this.cursorOffsetCache=i,this.cursorOffsetCache},renderCursor:function(t,e){var i=this.get2DCursorLocation(),r=i.lineIndex,n=i.charIndex>0?i.charIndex-1:0,s=this.getValueOfPropertyAt(r,n,"fontSize"),o=this.scaleX*this.canvas.getZoom(),a=this.cursorWidth/o,h=t.topOffset;h+=(1-this._fontSizeFraction)*this.getHeightOfLine(r)/this.lineHeight-s*(1-this._fontSizeFraction),this.inCompositionMode&&this.renderSelection(t,e),e.fillStyle=this.getValueOfPropertyAt(r,n,"fill"),e.globalAlpha=this.__isMousedown?1:this._currentCursorOpacity,e.fillRect(t.left+t.leftOffset-a/2,h+t.top,a,s)},renderSelection:function(t,e){for(var i=this.inCompositionMode?this.hiddenTextarea.selectionStart:this.selectionStart,r=this.inCompositionMode?this.hiddenTextarea.selectionEnd:this.selectionEnd,n=this.get2DCursorLocation(i),s=this.get2DCursorLocation(r),o=n.lineIndex,a=s.lineIndex,h=n.charIndex<0?0:n.charIndex,c=s.charIndex<0?0:s.charIndex,l=o;l<=a;l++){var u=this._getLineLeftOffset(l)||0,f=this.getHeightOfLine(l),d=0,g=0,p=0;l===o&&(g=this.__charBounds[o][h].left),l>=o&&l1)&&(f/=this.lineHeight),this.inCompositionMode?(e.fillStyle=this.compositionColor||"black",e.fillRect(t.left+u+g,t.top+t.topOffset+f,p-g,1)):(e.fillStyle=this.selectionColor,e.fillRect(t.left+u+g,t.top+t.topOffset,p-g,f)),t.topOffset+=d}},getCurrentCharFontSize:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fontSize")},getCurrentCharColor:function(){var t=this._getCurrentCharIndex();return this.getValueOfPropertyAt(t.l,t.c,"fill")},_getCurrentCharIndex:function(){var t=this.get2DCursorLocation(this.selectionStart,!0),e=t.charIndex>0?t.charIndex-1:0;return{l:t.lineIndex,c:e}}}),fabric.IText.fromObject=function(e,i,r){if(t(e),e.styles)for(var n in e.styles)for(var s in e.styles[n])t(e.styles[n][s]);return fabric.Object._fromObject("IText",e,i,r,"text")}}(),function(){var t=fabric.util.object.clone;fabric.util.object.extend(fabric.IText.prototype,{initBehavior:function(){this.initAddedHandler(),this.initRemovedHandler(),this.initCursorSelectionHandlers(),this.initDoubleClickSimulation(),this.mouseMoveHandler=this.mouseMoveHandler.bind(this)},onDeselect:function(){this.isEditing&&this.exitEditing(),this.selected=!1,this.callSuper("onDeselect")},initAddedHandler:function(){var t=this;this.on("added",function(){var e=t.canvas;e&&(e._hasITextHandlers||(e._hasITextHandlers=!0,t._initCanvasHandlers(e)),e._iTextInstances=e._iTextInstances||[],e._iTextInstances.push(t))})},initRemovedHandler:function(){var t=this;this.on("removed",function(){var e=t.canvas;e&&(e._iTextInstances=e._iTextInstances||[],fabric.util.removeFromArray(e._iTextInstances,t),0===e._iTextInstances.length&&(e._hasITextHandlers=!1,t._removeCanvasHandlers(e)))})},_initCanvasHandlers:function(t){t._mouseUpITextHandler=function(){t._iTextInstances&&t._iTextInstances.forEach(function(t){t.__isMousedown=!1})}.bind(this),t.on("mouse:up",t._mouseUpITextHandler)},_removeCanvasHandlers:function(t){t.off("mouse:up",t._mouseUpITextHandler)},_tick:function(){this._currentTickState=this._animateCursor(this,1,this.cursorDuration,"_onTickComplete")},_animateCursor:function(t,e,i,r){var n;return n={isAborted:!1,abort:function(){this.isAborted=!0}},t.animate("_currentCursorOpacity",e,{duration:i,onComplete:function(){n.isAborted||t[r]()},onChange:function(){t.canvas&&t.selectionStart===t.selectionEnd&&t.renderCursorOrSelection()},abort:function(){return n.isAborted}}),n},_onTickComplete:function(){var t=this;this._cursorTimeout1&&clearTimeout(this._cursorTimeout1),this._cursorTimeout1=setTimeout(function(){t._currentTickCompleteState=t._animateCursor(t,0,this.cursorDuration/2,"_tick")},100)},initDelayedCursor:function(t){var e=this,i=t?0:this.cursorDelay;this.abortCursorAnimation(),this._currentCursorOpacity=1,this._cursorTimeout2=setTimeout(function(){e._tick()},i)},abortCursorAnimation:function(){var t=this._currentTickState||this._currentTickCompleteState;this._currentTickState&&this._currentTickState.abort(),this._currentTickCompleteState&&this._currentTickCompleteState.abort(),clearTimeout(this._cursorTimeout1),clearTimeout(this._cursorTimeout2),this._currentCursorOpacity=0,t&&this.canvas&&this.canvas.clearContext(this.canvas.contextTop||this.ctx)},selectAll:function(){this.selectionStart=0,this.selectionEnd=this._text.length,this._fireSelectionChanged(),this._updateTextarea()},getSelectedText:function(){return this._text.slice(this.selectionStart,this.selectionEnd).join("")},findWordBoundaryLeft:function(t){var e=0,i=t-1;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i--;for(;/\S/.test(this._text[i])&&i>-1;)e++,i--;return t-e},findWordBoundaryRight:function(t){var e=0,i=t;if(this._reSpace.test(this._text[i]))for(;this._reSpace.test(this._text[i]);)e++,i++;for(;/\S/.test(this._text[i])&&i-1;)e++,i--;return t-e},findLineBoundaryRight:function(t){for(var e=0,i=t;!/\n/.test(this._text[i])&&i0&&ithis.__selectionStartOnMouseDown?(this.selectionStart=this.__selectionStartOnMouseDown,this.selectionEnd=e):(this.selectionStart=e,this.selectionEnd=this.__selectionStartOnMouseDown),this.selectionStart===i&&this.selectionEnd===r||(this.restartCursorIfNeeded(),this._fireSelectionChanged(),this._updateTextarea(),this.renderCursorOrSelection()))}},_setEditingProps:function(){this.hoverCursor="text",this.canvas&&(this.canvas.defaultCursor=this.canvas.moveCursor="text"),this.borderColor=this.editingBorderColor,this.hasControls=this.selectable=!1,this.lockMovementX=this.lockMovementY=!0},fromStringToGraphemeSelection:function(t,e,i){var r=i.slice(0,t),n=fabric.util.string.graphemeSplit(r).length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=fabric.util.string.graphemeSplit(s).length;return{selectionStart:n,selectionEnd:n+o}},fromGraphemeToStringSelection:function(t,e,i){var r=i.slice(0,t),n=r.join("").length;if(t===e)return{selectionStart:n,selectionEnd:n};var s=i.slice(t,e),o=s.join("").length;return{selectionStart:n,selectionEnd:n+o}},_updateTextarea:function(){if(this.cursorOffsetCache={},this.hiddenTextarea){if(!this.inCompositionMode){var t=this.fromGraphemeToStringSelection(this.selectionStart,this.selectionEnd,this._text);this.hiddenTextarea.selectionStart=t.selectionStart,this.hiddenTextarea.selectionEnd=t.selectionEnd}this.updateTextareaPosition()}},updateFromTextArea:function(){if(this.hiddenTextarea){this.cursorOffsetCache={},this.text=this.hiddenTextarea.value;var t=this.fromStringToGraphemeSelection(this.hiddenTextarea.selectionStart,this.hiddenTextarea.selectionEnd,this.hiddenTextarea.value);this.selectionEnd=this.selectionStart=t.selectionEnd,this.inCompositionMode||(this.selectionStart=t.selectionStart),this.updateTextareaPosition()}},updateTextareaPosition:function(){if(this.selectionStart===this.selectionEnd){var t=this._calcTextareaPosition();this.hiddenTextarea.style.left=t.left,this.hiddenTextarea.style.top=t.top}},_calcTextareaPosition:function(){if(!this.canvas)return{x:1,y:1};var t=this.inCompositionMode?this.compositionStart:this.selectionStart,e=this._getCursorBoundaries(t),i=this.get2DCursorLocation(t),r=i.lineIndex,n=i.charIndex,s=this.getValueOfPropertyAt(r,n,"fontSize")*this.lineHeight,o=e.leftOffset,a=this.calcTransformMatrix(),h={x:e.left+o,y:e.top+e.topOffset+s},c=this.canvas.upperCanvasEl,l=c.width-s,u=c.height-s;return h=fabric.util.transformPoint(h,a),h=fabric.util.transformPoint(h,this.canvas.viewportTransform),h.x<0&&(h.x=0),h.x>l&&(h.x=l),h.y<0&&(h.y=0),h.y>u&&(h.y=u),h.x+=this.canvas._offset.left,h.y+=this.canvas._offset.top,{left:h.x+"px",top:h.y+"px",fontSize:s+"px",charHeight:s}},_saveEditingProps:function(){this._savedProps={hasControls:this.hasControls,borderColor:this.borderColor,lockMovementX:this.lockMovementX,lockMovementY:this.lockMovementY,hoverCursor:this.hoverCursor,defaultCursor:this.canvas&&this.canvas.defaultCursor,moveCursor:this.canvas&&this.canvas.moveCursor}},_restoreEditingProps:function(){this._savedProps&&(this.hoverCursor=this._savedProps.overCursor,this.hasControls=this._savedProps.hasControls,this.borderColor=this._savedProps.borderColor,this.lockMovementX=this._savedProps.lockMovementX,this.lockMovementY=this._savedProps.lockMovementY,this.canvas&&(this.canvas.defaultCursor=this._savedProps.defaultCursor,this.canvas.moveCursor=this._savedProps.moveCursor))},exitEditing:function(){var t=this._textBeforeEdit!==this.text;return this.selected=!1,this.isEditing=!1,this.selectable=!0,this.selectionEnd=this.selectionStart,this.hiddenTextarea&&(this.hiddenTextarea.blur&&this.hiddenTextarea.blur(),this.canvas&&this.hiddenTextarea.parentNode.removeChild(this.hiddenTextarea),this.hiddenTextarea=null),this.abortCursorAnimation(),this._restoreEditingProps(),this._currentCursorOpacity=0,this.fire("editing:exited"),t&&this.fire("modified"),this.canvas&&(this.canvas.off("mouse:move",this.mouseMoveHandler),this.canvas.fire("text:editing:exited",{target:this}),t&&this.canvas.fire("object:modified",{target:this})),this},_removeExtraneousStyles:function(){for(var t in this.styles)this._textLines[t]||delete this.styles[t]},removeStyleFromTo:function(t,e){var i,r,n=this.get2DCursorLocation(t,!0),s=this.get2DCursorLocation(e,!0),o=n.lineIndex,a=n.charIndex,h=s.lineIndex,c=s.charIndex;if(o!==h){if(this.styles[o])for(i=a;ie&&(this.styles[s+i]=r[s],r[s-i]||delete this.styles[s])}},restartCursorIfNeeded:function(){this._currentTickState&&!this._currentTickState.isAborted&&this._currentTickCompleteState&&!this._currentTickCompleteState.isAborted||this.initDelayedCursor()},insertNewlineStyleObject:function(e,i,r,n){var s,o={},a=!1;r||(r=1),this.shiftLineStyles(e,r),this.styles[e]&&this.styles[e][i-1]&&(s=this.styles[e][i-1]);for(var h in this.styles[e]){var c=parseInt(h,10);c>=i&&(a=!0,o[c-i]=this.styles[e][h],delete this.styles[e][h])}for(a?this.styles[e+r]=o:delete this.styles[e+r];r>1;)r--,n[r]?this.styles[e+r]={0:t(n[r])}:s?this.styles[e+r]={0:t(s)}:delete this.styles[e+r];this._forceClearCache=!0},insertCharStyleObject:function(e,i,r,n){var s=this.styles[e],o=t(s);r||(r=1);for(var a in o){var h=parseInt(a,10);h>=i&&(s[h+r]=o[h],o[h-r]||delete s[h])}if(this._forceClearCache=!0,s)if(n)for(;r--;)this.styles[e][i+r]=t(n[r]);else for(var c=s[i?i-1:1];c&&r--;)this.styles[e][i+r]=t(c)},insertNewStyleBlock:function(t,e,i){for(var r=this.get2DCursorLocation(e,!0),n=0,s=0,o=0;ot&&it?this.selectionStart=t:this.selectionStart<0&&(this.selectionStart=0),this.selectionEnd>t?this.selectionEnd=t:this.selectionEnd<0&&(this.selectionEnd=0)}})}(),fabric.util.object.extend(fabric.IText.prototype,{initDoubleClickSimulation:function(){this.__lastClickTime=+new Date,this.__lastLastClickTime=+new Date,this.__lastPointer={},this.on("mousedown",this.onMouseDown.bind(this))},onMouseDown:function(t){this.__newClickTime=+new Date;var e=this.canvas.getPointer(t.e);this.isTripleClick(e,t.e)?(this.fire("tripleclick",t),this._stopEvent(t.e)):this.isDoubleClick(e)&&(this.fire("dblclick",t),this._stopEvent(t.e)),this.__lastLastClickTime=this.__lastClickTime,this.__lastClickTime=this.__newClickTime,this.__lastPointer=e,this.__lastIsEditing=this.isEditing,this.__lastSelected=this.selected},isDoubleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y&&this.__lastIsEditing},isTripleClick:function(t){return this.__newClickTime-this.__lastClickTime<500&&this.__lastClickTime-this.__lastLastClickTime<500&&this.__lastPointer.x===t.x&&this.__lastPointer.y===t.y},_stopEvent:function(t){t.preventDefault&&t.preventDefault(),t.stopPropagation&&t.stopPropagation()},initCursorSelectionHandlers:function(){this.initMousedownHandler(),this.initMouseupHandler(),this.initClicks()},initClicks:function(){this.on("dblclick",function(t){this.selectWord(this.getSelectionStartFromPointer(t.e))}),this.on("tripleclick",function(t){this.selectLine(this.getSelectionStartFromPointer(t.e))})},initMousedownHandler:function(){this.on("mousedown",function(t){if(this.editable&&(!t.e.button||1===t.e.button)){var e=this.canvas.getPointer(t.e);this.__mousedownX=e.x,this.__mousedownY=e.y,this.__isMousedown=!0,this.selected&&this.setCursorByClick(t.e),this.isEditing&&(this.__selectionStartOnMouseDown=this.selectionStart,this.selectionStart===this.selectionEnd&&this.abortCursorAnimation(),this.renderCursorOrSelection())}})},_isObjectMoved:function(t){var e=this.canvas.getPointer(t);return this.__mousedownX!==e.x||this.__mousedownY!==e.y},initMouseupHandler:function(){this.on("mouseup",function(t){this.__isMousedown=!1,!this.editable||this._isObjectMoved(t.e)||t.e.button&&1!==t.e.button||(this.__lastSelected&&!this.__corner&&(this.enterEditing(t.e),this.selectionStart===this.selectionEnd?this.initDelayedCursor(!0):this.renderCursorOrSelection()),this.selected=!0)})},setCursorByClick:function(t){var e=this.getSelectionStartFromPointer(t),i=this.selectionStart,r=this.selectionEnd;t.shiftKey?this.setSelectionStartEndWithShift(i,r,e):(this.selectionStart=e,this.selectionEnd=e),this.isEditing&&(this._fireSelectionChanged(),this._updateTextarea())},getSelectionStartFromPointer:function(t){for(var e,i,r=this.getLocalPointer(t),n=0,s=0,o=0,a=0,h=0,c=0,l=this._textLines.length;c0&&(a+=this._textLines[c-1].length+1);e=this._getLineLeftOffset(h),s=e*this.scaleX,i=this._textLines[h];for(var u=0,f=i.length;us?0:1,h=r+a;return this.flipX&&(h=n-h),h>this._text.length&&(h=this._text.length),h}}),fabric.util.object.extend(fabric.IText.prototype,{initHiddenTextarea:function(){this.hiddenTextarea=fabric.document.createElement("textarea"),this.hiddenTextarea.setAttribute("autocapitalize","off"),this.hiddenTextarea.setAttribute("autocorrect","off"),this.hiddenTextarea.setAttribute("autocomplete","off"),this.hiddenTextarea.setAttribute("spellcheck","false");var t=this._calcTextareaPosition();this.hiddenTextarea.style.cssText="white-space: nowrap; position: absolute; top: "+t.top+"; left: "+t.left+"; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px; line-height: 1px; paddingｰtop: "+t.fontSize+";",fabric.document.body.appendChild(this.hiddenTextarea),fabric.util.addListener(this.hiddenTextarea,"keydown",this.onKeyDown.bind(this)),fabric.util.addListener(this.hiddenTextarea,"keyup",this.onKeyUp.bind(this)),fabric.util.addListener(this.hiddenTextarea,"input",this.onInput.bind(this)),fabric.util.addListener(this.hiddenTextarea,"copy",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"cut",this.copy.bind(this)),fabric.util.addListener(this.hiddenTextarea,"paste",this.paste.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionstart",this.onCompositionStart.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionupdate",this.onCompositionUpdate.bind(this)),fabric.util.addListener(this.hiddenTextarea,"compositionend",this.onCompositionEnd.bind(this)),!this._clickHandlerInitialized&&this.canvas&&(fabric.util.addListener(this.canvas.upperCanvasEl,"click",this.onClick.bind(this)),this._clickHandlerInitialized=!0)},_keysMap:{9:"exitEditing",27:"exitEditing",33:"moveCursorUp",34:"moveCursorDown",35:"moveCursorRight",36:"moveCursorLeft",37:"moveCursorLeft",38:"moveCursorUp",39:"moveCursorRight",40:"moveCursorDown"},_ctrlKeysMapUp:{67:"copy",88:"cut"},_ctrlKeysMapDown:{65:"selectAll"},onClick:function(){this.hiddenTextarea&&this.hiddenTextarea.focus()},onKeyDown:function(t){if(this.isEditing&&!this.inCompositionMode){if(t.keyCode in this._keysMap)this[this._keysMap[t.keyCode]](t);else{if(!(t.keyCode in this._ctrlKeysMapDown&&(t.ctrlKey||t.metaKey)))return;this[this._ctrlKeysMapDown[t.keyCode]](t)}t.stopImmediatePropagation(),t.preventDefault(),t.keyCode>=33&&t.keyCode<=40?(this.clearContextTop(),this.renderCursorOrSelection()):this.canvas&&this.canvas.renderAll()}},onKeyUp:function(t){return!this.isEditing||this._copyDone||this.inCompositionMode?void(this._copyDone=!1):void(t.keyCode in this._ctrlKeysMapUp&&(t.ctrlKey||t.metaKey)&&(this[this._ctrlKeysMapUp[t.keyCode]](t),t.stopImmediatePropagation(),t.preventDefault(),this.canvas&&this.canvas.renderAll()))},onInput:function(t){var e=this.fromPaste;if(this.fromPaste=!1,t&&t.stopPropagation(),this.isEditing){var i,r,n=this._splitTextIntoLines(this.hiddenTextarea.value).graphemeText,s=this._text.length,o=n.length,a=o-s;""===this.hiddenTextarea.value&&(this.styles={},this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.renderAll())),this.selectionStart!==this.selectionEnd?(i=this._text.slice(this.selectionStart,this.selectionEnd), +a+=this.selectionEnd-this.selectionStart):oh.selectionStart?this.removeStyleFromTo(this.selectionEnd-i.length,this.selectionEnd):this.removeStyleFromTo(this.selectionEnd,this.selectionEnd+i.length)),r.length&&(e&&r.join("")===fabric.copiedText?this.insertNewStyleBlock(r,this.selectionStart,fabric.copiedTextStyle):this.insertNewStyleBlock(r,this.selectionStart)),this.updateFromTextArea(),this.fire("changed"),this.canvas&&(this.canvas.fire("text:changed",{target:this}),this.canvas.renderAll())}},onCompositionStart:function(){this.inCompositionMode=!0},onCompositionEnd:function(){this.inCompositionMode=!1},onCompositionUpdate:function(t){this.compositionStart=t.target.selectionStart,this.compositionEnd=t.target.selectionEnd,this.updateTextareaPosition()},copy:function(){if(this.selectionStart!==this.selectionEnd){var t=this.getSelectedText();fabric.copiedText=t,fabric.copiedTextStyle=this.getSelectionStyles(this.selectionStart,this.selectionEnd),this._copyDone=!0}},paste:function(){this.fromPaste=!0},_getClipboardData:function(t){return t&&t.clipboardData||fabric.window.clipboardData},_getWidthBeforeCursor:function(t,e){var i,r=this._getLineLeftOffset(t);return e>0&&(i=this.__charBounds[t][e-1],r+=i.left+i.width),r},getDownCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(n===this._textLines.length-1||t.metaKey||34===t.keyCode)return this._text.length-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n+1,o),h=this._textLines[n].slice(s);return h.length+a+2},_getSelectionForOffset:function(t,e){return t.shiftKey&&this.selectionStart!==this.selectionEnd&&e?this.selectionEnd:this.selectionStart},getUpCursorOffset:function(t,e){var i=this._getSelectionForOffset(t,e),r=this.get2DCursorLocation(i),n=r.lineIndex;if(0===n||t.metaKey||33===t.keyCode)return-i;var s=r.charIndex,o=this._getWidthBeforeCursor(n,s),a=this._getIndexOnLine(n-1,o),h=this._textLines[n].slice(0,s);return-this._textLines[n-1].length+a-h.length},_getIndexOnLine:function(t,e){for(var i,r,n=this._textLines[t],s=this._getLineLeftOffset(t),o=s,a=0,h=0,c=n.length;he){r=!0;var l=o-i,u=o,f=Math.abs(l-e),d=Math.abs(u-e);a=d=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorUpOrDown("Down",t)},moveCursorUp:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorUpOrDown("Up",t)},_moveCursorUpOrDown:function(t,e){var i="get"+t+"CursorOffset",r=this[i](e,"right"===this._selectionDirection);e.shiftKey?this.moveCursorWithShift(r):this.moveCursorWithoutShift(r),0!==r&&(this.setSelectionInBoundaries(),this.abortCursorAnimation(),this._currentCursorOpacity=1,this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorWithShift:function(t){var e="left"===this._selectionDirection?this.selectionStart+t:this.selectionEnd+t;return this.setSelectionStartEndWithShift(this.selectionStart,this.selectionEnd,e),0!==t},moveCursorWithoutShift:function(t){return t<0?(this.selectionStart+=t,this.selectionEnd=this.selectionStart):(this.selectionEnd+=t,this.selectionStart=this.selectionEnd),0!==t},moveCursorLeft:function(t){0===this.selectionStart&&0===this.selectionEnd||this._moveCursorLeftOrRight("Left",t)},_move:function(t,e,i){var r;if(t.altKey)r=this["findWordBoundary"+i](this[e]);else{if(!t.metaKey&&35!==t.keyCode&&36!==t.keyCode)return this[e]+="Left"===i?-1:1,!0;r=this["findLineBoundary"+i](this[e])}if(void 0!==typeof r&&this[e]!==r)return this[e]=r,!0},_moveLeft:function(t,e){return this._move(t,e,"Left")},_moveRight:function(t,e){return this._move(t,e,"Right")},moveCursorLeftWithoutShift:function(t){var e=!0;return this._selectionDirection="left",this.selectionEnd===this.selectionStart&&0!==this.selectionStart&&(e=this._moveLeft(t,"selectionStart")),this.selectionEnd=this.selectionStart,e},moveCursorLeftWithShift:function(t){return"right"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveLeft(t,"selectionEnd"):0!==this.selectionStart?(this._selectionDirection="left",this._moveLeft(t,"selectionStart")):void 0},moveCursorRight:function(t){this.selectionStart>=this._text.length&&this.selectionEnd>=this._text.length||this._moveCursorLeftOrRight("Right",t)},_moveCursorLeftOrRight:function(t,e){var i="moveCursor"+t+"With";this._currentCursorOpacity=1,i+=e.shiftKey?"Shift":"outShift",this[i](e)&&(this.abortCursorAnimation(),this.initDelayedCursor(),this._fireSelectionChanged(),this._updateTextarea())},moveCursorRightWithShift:function(t){return"left"===this._selectionDirection&&this.selectionStart!==this.selectionEnd?this._moveRight(t,"selectionStart"):this.selectionEnd!==this._text.length?(this._selectionDirection="right",this._moveRight(t,"selectionEnd")):void 0},moveCursorRightWithoutShift:function(t){var e=!0;return this._selectionDirection="right",this.selectionStart===this.selectionEnd?(e=this._moveRight(t,"selectionStart"),this.selectionEnd=this.selectionStart):this.selectionStart=this.selectionEnd,e},removeChars:function(t){this.selectionStart===this.selectionEnd?this._removeCharsNearCursor(t):this._removeCharsFromTo(this.selectionStart,this.selectionEnd),this.set("dirty",!0),this.setSelectionEnd(this.selectionStart),this._removeExtraneousStyles(),this.canvas&&this.canvas.renderAll(),this.setCoords(),this.fire("changed"),this.canvas&&this.canvas.fire("text:changed",{target:this})},_removeCharsNearCursor:function(t){if(0!==this.selectionStart)if(t.metaKey){var e=this.findLineBoundaryLeft(this.selectionStart);this._removeCharsFromTo(e,this.selectionStart),this.setSelectionStart(e)}else if(t.altKey){var i=this.findWordBoundaryLeft(this.selectionStart);this._removeCharsFromTo(i,this.selectionStart),this.setSelectionStart(i)}else this._removeSingleCharAndStyle(this.selectionStart),this.setSelectionStart(this.selectionStart-1)}}),function(){var t=fabric.util.toFixed,e=fabric.Object.NUM_FRACTION_DIGITS;fabric.util.object.extend(fabric.Text.prototype,{toSVG:function(t){var e=this._createBaseSVGMarkup(),i=this._getSVGLeftTopOffsets(),r=this._getSVGTextAndBg(i.textTop,i.textLeft);return this._wrapSVGTextAndBg(e,r),t?t(e.join("")):e.join("")},_getSVGLeftTopOffsets:function(){return{textLeft:-this.width/2,textTop:-this.height/2,lineTop:this.getHeightOfLine(0)}},_wrapSVGTextAndBg:function(t,e){var i=!0,r=this.getSvgFilter(),n=""===r?"":' style="'+r+'"';t.push("\t\n",e.textBgRects.join(""),"\t\t\n',e.textSpans.join(""),"\t\t\n","\t\n")},_getSVGTextAndBg:function(t,e){var i,r=[],n=[],s=t;this._setSVGBg(n);for(var o=0,a=this._textLines.length;o",fabric.util.string.escapeXml(i),"\n"].join("")},_setSVGTextLineText:function(t,e,i,r){var n,s,o,a,h,c=this.getHeightOfLine(e),l="",u=0,f=this._textLines[e];r+=c*(1-this._fontSizeFraction)/this.lineHeight;for(var d=0,g=f.length-1;d<=g;d++)h=d===g||this.charSpacing,l+=f[d],o=this.__charBounds[e][d],0===u&&(i+=o.kernedWidth-o.width),u+=o.kernedWidth,"justify"!==this.textAlign||h||this._reSpaceAndTab.test(f[d])&&(h=!0),h||(n=n||this.getCompleteStyleDeclaration(e,d),s=this.getCompleteStyleDeclaration(e,d+1),h=this._hasStyleChanged(n,s)),h&&(a=this._getStyleDeclaration(e,d)||{},t.push(this._createTextCharSpan(l,a,i,r)),l="",n=s,i+=u,u=0)},_pushTextBgRect:function(i,r,n,s,o,a){i.push("\t\t\n')},_setSVGTextLineBg:function(t,e,i,r){for(var n,s,o=this._textLines[e],a=this.getHeightOfLine(e)/this.lineHeight,h=0,c=0,l=this.getValueOfPropertyAt(e,0,"textBackgroundColor"),u=0,f=o.length;uthis.width&&this._set("width",this.dynamicMinWidth),"justify"===this.textAlign&&this.enlargeSpaces(),this.height=this.calcTextHeight()}},_generateStyleMap:function(t){for(var e=0,i=0,r=0,n={},s=0;s0?(i=0,r++,e++):this._reSpaceAndTab.test(t.graphemeText[r])&&s>0&&(i++,r++),n[s]={line:e,offset:i},r+=t.graphemeLines[s].length,i+=t.graphemeLines[s].length;return n},styleHas:function(t,i){if(this._styleMap&&!this.isWrapping){var r=this._styleMap[i];r&&(i=r.line)}return e.Text.prototype.styleHas.call(this,t,i)},_getStyleDeclaration:function(t,e){if(this._styleMap&&!this.isWrapping){var i=this._styleMap[t];if(!i)return null;t=i.line,e=i.offset+e}return this.callSuper("_getStyleDeclaration",t,e)},_setStyleDeclaration:function(t,e,i){var r=this._styleMap[t];t=r.line,e=r.offset+e,this.styles[t][e]=i},_deleteStyleDeclaration:function(t,e){var i=this._styleMap[t];t=i.line,e=i.offset+e,delete this.styles[t][e]},_getLineStyle:function(t){var e=this._styleMap[t];return this.styles[e.line]},_setLineStyle:function(t,e){var i=this._styleMap[t];this.styles[i.line]=e},_deleteLineStyle:function(t){var e=this._styleMap[t];delete this.styles[e.line]},_wrapText:function(t,e){var i,r=[];for(this.isWrapping=!0,i=0;i=r&&!g&&(s.push(o),o=[],n=u,g=!0),g||o.push(l),o=o.concat(h),f=this._measureWord([l],i,c),c++,g=!1,u>d&&(d=u);return v&&s.push(o),d>this.dynamicMinWidth&&(this.dynamicMinWidth=d-p),s},_splitTextIntoLines:function(t){for(var i=e.Text.prototype._splitTextIntoLines.call(this,t),r=this._wrapText(i.lines,this.width),n=new Array(r.length),s=0;s=h.getMinWidth()?(h.set("width",c),!0):void 0},fabric.Group.prototype._refreshControlsVisibility=function(){if("undefined"!=typeof fabric.Textbox)for(var t=this._objects.length;t--;)if(this._objects[t]instanceof fabric.Textbox)return void this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility())},fabric.util.object.extend(fabric.Textbox.prototype,{_removeExtraneousStyles:function(){for(var t in this._styleMap)this._textLines[t]||delete this.styles[this._styleMap[t].line]}})}(),function(){function request(t,e,i){var r=URL.parse(t);r.port||(r.port=0===r.protocol.indexOf("https:")?443:80);var n=0===r.protocol.indexOf("https:")?HTTPS:HTTP,s=n.request({hostname:r.hostname,port:r.port,path:r.path,method:"GET"},function(t){var r="";e&&t.setEncoding(e),t.on("end",function(){i(r)}),t.on("data",function(e){200===t.statusCode&&(r+=e)})});s.on("error",function(t){t.errno===process.ECONNREFUSED?fabric.log("ECONNREFUSED: connection refused to "+r.hostname+":"+r.port):fabric.log(t.message),i(null)}),s.end()}function requestFs(t,e){var i=require("fs");i.readFile(t,function(t,i){if(t)throw fabric.log(t),t;e(i)})}if("undefined"==typeof document||"undefined"==typeof window){var DOMParser=require("xmldom").DOMParser,URL=require("url"),HTTP=require("http"),HTTPS=require("https"),Canvas=require(fabric.canvasModule),Image=require(fabric.canvasModule).Image;fabric.util.loadImage=function(t,e,i){function r(r){r?(n.src=new Buffer(r,"binary"),n._src=t,e&&e.call(i,n)):(n=null,e&&e.call(i,null,!0))}var n=new Image;t&&(t instanceof Buffer||0===t.indexOf("data"))?(n.src=n._src=t,e&&e.call(i,n)):t&&0!==t.indexOf("http")?requestFs(t,r):t?request(t,"binary",r):e&&e.call(i,t)},fabric.loadSVGFromURL=function(t,e,i){t=t.replace(/^\n\s*/,"").replace(/\?.*$/,"").trim(),0!==t.indexOf("http")?requestFs(t,function(t){fabric.loadSVGFromString(t.toString(),e,i)}):request(t,"",function(t){fabric.loadSVGFromString(t,e,i)})},fabric.loadSVGFromString=function(t,e,i){var r=(new DOMParser).parseFromString(t);fabric.parseSVGDocument(r.documentElement,function(t,i){e&&e(t,i)},i)},fabric.util.getScript=function(url,callback){request(url,"",function(body){eval(body),callback&&callback()})},fabric.createCanvasForNode=function(t,e,i,r){r=r||i;var n=fabric.document.createElement("canvas"),s=new Canvas(t||600,e||600,r),o=new Canvas(t||600,e||600,r);n.width=s.width,n.height=s.height,i=i||{},i.nodeCanvas=s,i.nodeCacheCanvas=o;var a=fabric.Canvas||fabric.StaticCanvas,h=new a(n,i);return h.nodeCanvas=s,h.nodeCacheCanvas=o,h.contextContainer=s.getContext("2d"),h.contextCache=o.getContext("2d"),h.Font=Canvas.Font,h};var originaInitStatic=fabric.StaticCanvas.prototype._initStatic;fabric.StaticCanvas.prototype._initStatic=function(t,e){t=t||fabric.document.createElement("canvas"),this.nodeCanvas=new Canvas(t.width,t.height),this.nodeCacheCanvas=new Canvas(t.width,t.height),originaInitStatic.call(this,t,e),this.contextContainer=this.nodeCanvas.getContext("2d"),this.contextCache=this.nodeCacheCanvas.getContext("2d"),this.Font=Canvas.Font},fabric.StaticCanvas.prototype.createPNGStream=function(){return this.nodeCanvas.createPNGStream()},fabric.StaticCanvas.prototype.createJPEGStream=function(t){return this.nodeCanvas.createJPEGStream(t)},fabric.StaticCanvas.prototype._initRetinaScaling=function(){if(this._isRetinaScaling())return this.lowerCanvasEl.setAttribute("width",this.width*fabric.devicePixelRatio),this.lowerCanvasEl.setAttribute("height",this.height*fabric.devicePixelRatio),this.nodeCanvas.width=this.width*fabric.devicePixelRatio,this.nodeCanvas.height=this.height*fabric.devicePixelRatio,this.contextContainer.scale(fabric.devicePixelRatio,fabric.devicePixelRatio),this},fabric.Canvas&&(fabric.Canvas.prototype._initRetinaScaling=fabric.StaticCanvas.prototype._initRetinaScaling);var origSetBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension;fabric.StaticCanvas.prototype._setBackstoreDimension=function(t,e){return origSetBackstoreDimension.call(this,t,e),this.nodeCanvas[t]=e,this},fabric.Canvas&&(fabric.Canvas.prototype._setBackstoreDimension=fabric.StaticCanvas.prototype._setBackstoreDimension)}}(); diff --git a/dist/fabric.min.js.gz b/dist/fabric.min.js.gz index 9ac93feca64ed96ff2f6b116c14943dcb69b8619..1d1f20fc272b675d77c5535959ebb6b721fe241d 100644 GIT binary patch literal 74377 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fabric.CommonMethods = { callback && callback(enlivenedObjects); } } - var enlivenedObjects = [], numLoadedObjects = 0, numTotalObjects = objects.length; + var enlivenedObjects = [], numLoadedObjects = 0, numTotalObjects = objects.length, forceAsync = true; if (!numTotalObjects) { callback && callback(enlivenedObjects); return; @@ -406,7 +400,7 @@ fabric.CommonMethods = { error || (enlivenedObjects[index] = obj); reviver && reviver(o, obj, error); onLoaded(); - }); + }, forceAsync); }); }, enlivenPatterns: function(patterns, callback) { @@ -593,22 +587,6 @@ fabric.CommonMethods = { } else if (fabric.charWidthsCache[fontFamily]) { delete fabric.charWidthsCache[fontFamily]; } - }, - limitDimsByArea: function(ar, maximumArea) { - var roughWidth = Math.sqrt(maximumArea * ar), perfLimitSizeY = Math.floor(maximumArea / roughWidth); - return { - x: Math.floor(roughWidth), - y: perfLimitSizeY - }; - }, - capValue: function(min, value, max) { - return Math.max(min, Math.min(value, max)); - }, - findScaleToFit: function(source, destination) { - return Math.min(destination.width / source.width, destination.height / source.height); - }, - findScaleToCover: function(source, destination) { - return Math.max(destination.width / source.width, destination.height / source.height); } }; })(typeof exports !== "undefined" ? exports : this); @@ -2080,9 +2058,9 @@ if (typeof console !== "undefined") { } fabric.gradientDefs[svgUid] = fabric.getGradientDefs(doc); fabric.cssRules[svgUid] = fabric.getCSSRules(doc); - fabric.parseElements(elements, function(instances, elements) { + fabric.parseElements(elements, function(instances) { if (callback) { - callback(instances, options, elements, descendants); + callback(instances, options); } }, clone(options), reviver, parsingOptions); }; @@ -2245,8 +2223,8 @@ if (typeof console !== "undefined") { if (!xml || !xml.documentElement) { callback && callback(null); } - fabric.parseSVGDocument(xml.documentElement, function(results, _options, elements, allElements) { - callback && callback(results, _options, elements, allElements); + fabric.parseSVGDocument(xml.documentElement, function(results, _options) { + callback && callback(results, _options); }, reviver, options); } }, @@ -2263,8 +2241,8 @@ if (typeof console !== "undefined") { doc.async = "false"; doc.loadXML(string.replace(//i, "")); } - fabric.parseSVGDocument(doc.documentElement, function(results, _options, elements, allElements) { - callback(results, _options, elements, allElements); + fabric.parseSVGDocument(doc.documentElement, function(results, _options) { + callback(results, _options); }, reviver, options); } }); @@ -2310,7 +2288,17 @@ fabric.ElementsParser.prototype.createObject = function(el, index) { }; fabric.ElementsParser.prototype._createObject = function(klass, el, index) { - klass.fromElement(el, this.createCallback(index, el), this.options); + if (klass.async) { + klass.fromElement(el, this.createCallback(index, el), this.options); + } else { + var obj = klass.fromElement(el, this.options); + this.resolveGradient(obj, "fill"); + this.resolveGradient(obj, "stroke"); + obj._removeTransformMatrix(); + this.reviver && this.reviver(el, obj); + this.instances[index] = obj; + this.checkIfDone(); + } }; fabric.ElementsParser.prototype.createCallback = function(index, el) { @@ -2319,9 +2307,6 @@ fabric.ElementsParser.prototype.createCallback = function(index, el) { _this.resolveGradient(obj, "fill"); _this.resolveGradient(obj, "stroke"); obj._removeTransformMatrix(); - if (obj instanceof fabric.Image) { - obj.parsePreserveAspectRatioAttribute(el); - } _this.reviver && _this.reviver(el, obj); _this.instances[index] = obj; _this.checkIfDone(); @@ -2344,7 +2329,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { this.instances = this.instances.filter(function(el) { return el != null; }); - this.callback(this.instances, this.elements); + this.callback(this.instances); } }; @@ -2700,7 +2685,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this; } }; - fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*((?:\d*\.?\d+)?)\s*)?\)$/; + fabric.Color.reRGBa = /^rgba?\(\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*,\s*(\d{1,3}(?:\.\d+)?\%?)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; fabric.Color.reHSLa = /^hsla?\(\s*(\d{1,3})\s*,\s*(\d{1,3}\%)\s*,\s*(\d{1,3}\%)\s*(?:\s*,\s*(\d+(?:\.\d+)?)\s*)?\)$/; fabric.Color.reHex = /^#?([0-9a-f]{8}|[0-9a-f]{6}|[0-9a-f]{4}|[0-9a-f]{3})$/i; fabric.Color.colorNameMap = { @@ -3195,7 +3180,6 @@ fabric.ElementsParser.prototype.checkIfDone = function() { fabric.StaticCanvas = fabric.util.createClass(fabric.CommonMethods, { initialize: function(el, options) { options || (options = {}); - this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); }, backgroundColor: "", @@ -3389,14 +3373,14 @@ fabric.ElementsParser.prototype.checkIfDone = function() { return this.viewportTransform[0]; }, setViewportTransform: function(vpt) { - var activeGroup = this._activeGroup, object, ignoreVpt = false, skipAbsolute = true; + var activeGroup = this._activeGroup, object, ingoreVpt = false, skipAbsolute = true; this.viewportTransform = vpt; for (var i = 0, len = this._objects.length; i < len; i++) { object = this._objects[i]; - object.group || object.setCoords(ignoreVpt, skipAbsolute); + object.group || object.setCoords(ingoreVpt, skipAbsolute); } if (activeGroup) { - activeGroup.setCoords(ignoreVpt, skipAbsolute); + activeGroup.setCoords(ingoreVpt, skipAbsolute); } this.calcViewportBoundaries(); this.renderAll(); @@ -3472,17 +3456,6 @@ fabric.ElementsParser.prototype.checkIfDone = function() { this.renderCanvas(canvasToDrawOn, this._objects); return this; }, - renderAndReset: function() { - this.renderAll(); - this.isRendering = false; - }, - requestRenderAll: function() { - if (!this.isRendering) { - this.isRendering = true; - fabric.util.requestAnimFrame(this.renderAndResetBound); - } - return this; - }, calcViewportBoundaries: function() { var points = {}, width = this.getWidth(), height = this.getHeight(), iVpt = invertTransform(this.viewportTransform); points.tl = transformPoint({ @@ -3761,8 +3734,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.unshift(object); } - this.renderAll && this.renderAll(); - return this; + return this.renderAll && this.renderAll(); }, bringToFront: function(object) { if (!object) { @@ -3780,8 +3752,7 @@ fabric.ElementsParser.prototype.checkIfDone = function() { removeFromArray(this._objects, object); this._objects.push(object); } - this.renderAll && this.renderAll(); - return this; + return this.renderAll && this.renderAll(); }, sendBackwards: function(object, intersecting) { if (!object) { @@ -4052,7 +4023,7 @@ fabric.BaseBrush = fabric.util.createClass({ ctx.closePath(); var pathData = this.convertPointsToSVGPath(this._points).join(""); if (pathData === "M 0 0 Q 0 0 0 0 L 0 0") { - this.canvas.requestRenderAll(); + this.canvas.renderAll(); return; } var path = this.createPath(pathData); @@ -4060,7 +4031,7 @@ fabric.BaseBrush = fabric.util.createClass({ path.setCoords(); this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); this.canvas.fire("path:created", { path: path }); @@ -4122,7 +4093,7 @@ fabric.CircleBrush = fabric.util.createClass(fabric.BaseBrush, { this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.requestRenderAll(); + this.canvas.renderAll(); }, addPoint: function(pointer) { var pointerPoint = new fabric.Point(pointer.x, pointer.y), circleRadius = fabric.util.getRandomInt(Math.max(0, this.width - 20), this.width + 20) / 2, circleColor = new fabric.Color(this.color).setAlpha(fabric.util.getRandomInt(0, 100) / 100).toRgba(); @@ -4190,7 +4161,7 @@ fabric.SprayBrush = fabric.util.createClass(fabric.BaseBrush, { this.canvas.clearContext(this.canvas.contextTop); this._resetShadow(); this.canvas.renderOnAddRemove = originalRenderOnAddRemove; - this.canvas.requestRenderAll(); + this.canvas.renderAll(); }, _getOptimizedRects: function(rects) { var uniqueRects = {}, key; @@ -4280,7 +4251,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { fabric.Canvas = fabric.util.createClass(fabric.StaticCanvas, { initialize: function(el, options) { options || (options = {}); - this.renderAndResetBound = this.renderAndReset.bind(this); this._initStatic(el, options); this._initInteractive(); this._createCacheCanvas(); @@ -4890,11 +4860,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { }, _createUpperCanvas: function() { var lowerCanvasClass = this.lowerCanvasEl.className.replace(/\s*lower-canvas\s*/, ""); - if (this.upperCanvasEl) { - this.upperCanvasEl.className = ""; - } else { - this.upperCanvasEl = this._createCanvasElement(); - } + this.upperCanvasEl = this._createCanvasElement(); fabric.util.addClass(this.upperCanvasEl, "upper-canvas " + lowerCanvasClass); this.wrapperEl.appendChild(this.upperCanvasEl); this._copyCanvasStyle(this.lowerCanvasEl, this.upperCanvasEl); @@ -4967,7 +4933,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { object.fire("selected", { e: e }); - this.requestRenderAll(); + this.renderAll(); return this; }, getActiveObject: function() { @@ -5174,11 +5140,9 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { fabric.util.object.extend(fabric.Canvas.prototype, { cursorMap: [ "n-resize", "ne-resize", "e-resize", "se-resize", "s-resize", "sw-resize", "w-resize", "nw-resize" ], _initEventListeners: function() { - this.removeListeners(); this._bindEvents(); addListener(fabric.window, "resize", this._onResize); addListener(this.upperCanvasEl, "mousedown", this._onMouseDown); - addListener(this.upperCanvasEl, "dblclick", this._onDoubleClick); addListener(this.upperCanvasEl, "mousemove", this._onMouseMove); addListener(this.upperCanvasEl, "mouseout", this._onMouseOut); addListener(this.upperCanvasEl, "mouseenter", this._onMouseEnter); @@ -5199,9 +5163,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } }, _bindEvents: function() { - if (this.eventsBinded) { - return; - } this._onMouseDown = this._onMouseDown.bind(this); this._onMouseMove = this._onMouseMove.bind(this); this._onMouseUp = this._onMouseUp.bind(this); @@ -5215,8 +5176,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { this._onMouseOut = this._onMouseOut.bind(this); this._onMouseEnter = this._onMouseEnter.bind(this); this._onContextMenu = this._onContextMenu.bind(this); - this._onDoubleClick = this._onDoubleClick.bind(this); - this.eventsBinded = true; }, removeListeners: function() { removeListener(fabric.window, "resize", this._onResize); @@ -5226,7 +5185,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { removeListener(this.upperCanvasEl, "mouseenter", this._onMouseEnter); removeListener(this.upperCanvasEl, "wheel", this._onMouseWheel); removeListener(this.upperCanvasEl, "contextmenu", this._onContextMenu); - removeListener(this.upperCanvasEl, "doubleclick", this._onDoubleClick); removeListener(this.upperCanvasEl, "touchstart", this._onMouseDown); removeListener(this.upperCanvasEl, "touchmove", this._onMouseMove); if (typeof eventjs !== "undefined" && "remove" in eventjs) { @@ -5289,10 +5247,6 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } return false; }, - _onDoubleClick: function(e) { - var target; - this._handleEvent(e, "dblclick", target); - }, _onMouseDown: function(e) { this.__onMouseDown(e); addListener(fabric.document, "touchend", this._onMouseUp, { @@ -5378,7 +5332,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { this._setCursorFromEvent(e, target); this._handleEvent(e, "up", target ? target : null, LEFT_CLICK, isClick); target && (target.__corner = 0); - shouldRender && this.requestRenderAll(); + shouldRender && this.renderAll(); }, _handleEvent: function(e, eventType, targetObj, button, isClick) { var target = typeof targetObj === "undefined" ? this.findTarget(e) : targetObj, targets = this.targets || [], options = { @@ -5421,7 +5375,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { }, _onMouseDownInDrawingMode: function(e) { this._isCurrentlyDrawing = true; - this.discardActiveObject(e).requestRenderAll(); + this.discardActiveObject(e).renderAll(); if (this.clipTo) { fabric.util.clipContext(this, this.contextTop); } @@ -5500,7 +5454,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } } this._handleEvent(e, "down", target ? target : null); - shouldRender && this.requestRenderAll(); + shouldRender && this.renderAll(); }, _beforeTransform: function(e, target) { this.stateful && target.saveState(); @@ -5562,7 +5516,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { transform.altKey = e[this.centeredKey]; this._beforeScaleTransform(e, transform); this._performTransformAction(e, transform, pointer); - transform.actionPerformed && this.requestRenderAll(); + transform.actionPerformed && this.renderAll(); }, _performTransformAction: function(e, transform, pointer) { var x = pointer.x, y = pointer.y, target = transform.target, action = transform.action, actionPerformed = false; @@ -5618,7 +5572,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { } }, _setCursorFromEvent: function(e, target) { - if (!target) { + if (!target || !target.selectable) { this.setCursor(this.defaultCursor); return false; } @@ -5729,7 +5683,7 @@ fabric.PatternBrush = fabric.util.createClass(fabric.PencilBrush, { target: group, e: e }); - this.requestRenderAll(); + this.renderAll(); } }, _collectObjects: function() { @@ -5826,29 +5780,23 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { return; } var serialized = typeof json === "string" ? JSON.parse(json) : fabric.util.object.clone(json); - var _this = this, renderOnAddRemove = this.renderOnAddRemove; - this.renderOnAddRemove = false; - this._enlivenObjects(serialized.objects, function(enlivenedObjects) { - _this.clear(); + this.clear(); + var _this = this; + this._enlivenObjects(serialized.objects, function() { _this._setBgOverlay(serialized, function() { - enlivenedObjects.forEach(function(obj, index) { - _this.insertAt(obj, index); - }); - _this.renderOnAddRemove = renderOnAddRemove; delete serialized.objects; delete serialized.backgroundImage; delete serialized.overlayImage; delete serialized.background; delete serialized.overlay; _this._setOptions(serialized); - _this.renderAll(); callback && callback(); }); }, reviver); return this; }, _setBgOverlay: function(serialized, callback) { - var loaded = { + var _this = this, loaded = { backgroundColor: false, overlayColor: false, backgroundImage: false, @@ -5860,6 +5808,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } var cbIfLoaded = function() { if (loaded.backgroundImage && loaded.overlayImage && loaded.backgroundColor && loaded.overlayColor) { + _this.renderAll(); callback && callback(); } }; @@ -5889,12 +5838,19 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } }, _enlivenObjects: function(objects, callback, reviver) { + var _this = this; if (!objects || objects.length === 0) { - callback && callback([]); + callback && callback(); return; } + var renderOnAddRemove = this.renderOnAddRemove; + this.renderOnAddRemove = false; fabric.util.enlivenObjects(objects, function(enlivenedObjects) { - callback && callback(enlivenedObjects); + enlivenedObjects.forEach(function(obj, index) { + _this.insertAt(obj, index); + }); + _this.renderOnAddRemove = renderOnAddRemove; + callback && callback(); }, null, reviver); }, _toDataURL: function(format, callback) { @@ -5936,7 +5892,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { (function(global) { "use strict"; - var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, clone = fabric.util.object.clone, toFixed = fabric.util.toFixed, capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports("setLineDash"), objectCaching = !fabric.isLikelyNode, ALIASING_LIMIT = 2; + var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, clone = fabric.util.object.clone, toFixed = fabric.util.toFixed, capitalize = fabric.util.string.capitalize, degreesToRadians = fabric.util.degreesToRadians, supportsLineDash = fabric.StaticCanvas.supports("setLineDash"), objectCaching = !fabric.isLikelyNode; if (fabric.Object) { return; } @@ -6009,13 +5965,17 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { statefullCache: false, noScaleCache: true, dirty: true, - stateProperties: ("top left width height scaleX scaleY flipX flipY originX originY transformMatrix " + "stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit " + "angle opacity fill globalCompositeOperation shadow clipTo visible backgroundColor " + "skewX skewY fillRule").split(" "), - cacheProperties: ("fill stroke strokeWidth strokeDashArray width height" + " strokeLineCap strokeLineJoin strokeMiterLimit backgroundColor").split(" "), + needsItsOwnCache: false, + stateProperties: ("top left width height scaleX scaleY flipX flipY originX originY transformMatrix " + "stroke strokeWidth strokeDashArray strokeLineCap strokeLineJoin strokeMiterLimit " + "angle opacity fill fillRule globalCompositeOperation shadow clipTo visible backgroundColor " + "skewX skewY").split(" "), + cacheProperties: ("fill stroke strokeWidth strokeDashArray width height stroke strokeWidth strokeDashArray" + " strokeLineCap strokeLineJoin strokeMiterLimit fillRule backgroundColor").split(" "), initialize: function(options) { options = options || {}; if (options) { this.setOptions(options); } + if (this.objectCaching) { + this._createCacheCanvas(); + } }, _createCacheCanvas: function() { this._cacheProperties = {}; @@ -6023,27 +5983,11 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this._cacheContext = this._cacheCanvas.getContext("2d"); this._updateCacheCanvas(); }, - _limitCacheSize: function(dims) { - var perfLimitSizeTotal = fabric.perfLimitSizeTotal, maximumSide = fabric.cacheSideLimit, width = dims.width, height = dims.height, ar = width / height, limitedDims = fabric.util.limitDimsByArea(ar, perfLimitSizeTotal, maximumSide), capValue = fabric.util.capValue, max = fabric.maxCacheSideLimit, min = fabric.minCacheSideLimit, x = capValue(min, limitedDims.x, max), y = capValue(min, limitedDims.y, max); - if (width > x) { - dims.zoomX /= width / x; - dims.width = x; - } else if (width < min) { - dims.width = min; - } - if (height > y) { - dims.zoomY /= height / y; - dims.height = y; - } else if (height < min) { - dims.height = min; - } - return dims; - }, _getCacheCanvasDimensions: function() { var zoom = this.canvas && this.canvas.getZoom() || 1, objectScale = this.getObjectScaling(), dim = this._getNonTransformedDimensions(), retina = this.canvas && this.canvas._isRetinaScaling() ? fabric.devicePixelRatio : 1, zoomX = objectScale.scaleX * zoom * retina, zoomY = objectScale.scaleY * zoom * retina, width = dim.x * zoomX, height = dim.y * zoomY; return { - width: width + ALIASING_LIMIT, - height: height + ALIASING_LIMIT, + width: width + 2, + height: height + 2, zoomX: zoomX, zoomY: zoomY }; @@ -6051,33 +5995,18 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { _updateCacheCanvas: function() { if (this.noScaleCache && this.canvas && this.canvas._currentTransform) { var action = this.canvas._currentTransform.action; - if (action.slice && action.slice(0, 5) === "scale") { + if (action.slice(0, 5) === "scale") { return false; } } - var dims = this._limitCacheSize(this._getCacheCanvasDimensions()), minCacheSize = fabric.minCacheSideLimit, width = dims.width, height = dims.height, zoomX = dims.zoomX, zoomY = dims.zoomY, dimensionsChanged = width !== this.cacheWidth || height !== this.cacheHeight, zoomChanged = this.zoomX !== zoomX || this.zoomY !== zoomY, shouldRedraw = dimensionsChanged || zoomChanged, additionalWidth = 0, additionalHeight = 0, shouldResizeCanvas = false; - if (dimensionsChanged) { - var canvasWidth = this._cacheCanvas.width, canvasHeight = this._cacheCanvas.height, sizeGrowing = width > canvasWidth || height > canvasHeight, sizeShrinking = (width < canvasWidth * .9 || height < canvasHeight * .9) && canvasWidth > minCacheSize && canvasHeight > minCacheSize; - shouldResizeCanvas = sizeGrowing || sizeShrinking; - if (sizeGrowing) { - additionalWidth = width * .1 & ~1; - additionalHeight = height * .1 & ~1; - } - } - if (shouldRedraw) { - if (shouldResizeCanvas) { - this._cacheCanvas.width = Math.max(Math.ceil(width) + additionalWidth, minCacheSize); - this._cacheCanvas.height = Math.max(Math.ceil(height) + additionalHeight, minCacheSize); - this.cacheTranslationX = (width + additionalWidth) / 2; - this.cacheTranslationY = (height + additionalHeight) / 2; - } else { - this._cacheContext.setTransform(1, 0, 0, 1, 0, 0); - this._cacheContext.clearRect(0, 0, this._cacheCanvas.width, this._cacheCanvas.height); - } + var dims = this._getCacheCanvasDimensions(), width = dims.width, height = dims.height, zoomX = dims.zoomX, zoomY = dims.zoomY; + if (width !== this.cacheWidth || height !== this.cacheHeight) { + this._cacheCanvas.width = Math.ceil(width); + this._cacheCanvas.height = Math.ceil(height); + this._cacheContext.translate(width / 2, height / 2); + this._cacheContext.scale(zoomX, zoomY); this.cacheWidth = width; this.cacheHeight = height; - this._cacheContext.translate(this.cacheTranslationX, this.cacheTranslationY); - this._cacheContext.scale(zoomX, zoomY); this.zoomX = zoomX; this.zoomY = zoomY; return true; @@ -6202,7 +6131,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } this.dirty = true; } - if (this.group && this.stateProperties.indexOf(key) > -1 && this.group.isOnACache()) { + if (this.group && this.stateProperties.indexOf(key) > -1) { this.group.set("dirty", true); } if (key === "width" || key === "height") { @@ -6217,11 +6146,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } return fabric.iMatrix.concat(); }, - isNotVisible: function() { - return this.opacity === 0 || this.width === 0 && this.height === 0 || !this.visible; - }, render: function(ctx) { - if (this.isNotVisible()) { + if (this.width === 0 && this.height === 0 || !this.visible) { return; } if (this.canvas && this.canvas.skipOffscreen && !this.group && !this.isOnScreen()) { @@ -6250,7 +6176,6 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } this.drawCacheOnCanvas(ctx); } else { - this.dirty = false; this.drawObject(ctx); if (this.objectCaching && this.statefullCache) { this.saveState({ @@ -6261,15 +6186,11 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this.clipTo && ctx.restore(); ctx.restore(); }, - needsItsOwnCache: function() { - return false; - }, shouldCache: function() { - this.ownCaching = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); - return this.ownCaching; + return this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); }, willDrawShadow: function() { - return !!this.shadow && (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0); + return !!this.shadow; }, drawObject: function(ctx) { this._renderBackground(ctx); @@ -6279,17 +6200,14 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { }, drawCacheOnCanvas: function(ctx) { ctx.scale(1 / this.zoomX, 1 / this.zoomY); - ctx.drawImage(this._cacheCanvas, -this.cacheTranslationX, -this.cacheTranslationY); + ctx.drawImage(this._cacheCanvas, -this.cacheWidth / 2, -this.cacheHeight / 2); }, isCacheDirty: function(skipCanvas) { - if (this.isNotVisible()) { - return false; - } - if (this._cacheCanvas && !skipCanvas && this._updateCacheCanvas()) { + if (!skipCanvas && this._updateCacheCanvas()) { return true; } else { if (this.dirty || this.statefullCache && this.hasStateChanged("cacheProperties")) { - if (this._cacheCanvas && !skipCanvas) { + if (!skipCanvas) { var width = this.cacheWidth / this.zoomX; var height = this.cacheHeight / this.zoomY; this._cacheContext.clearRect(-width / 2, -height / 2, width, height); @@ -6343,10 +6261,8 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } }, _renderControls: function(ctx, styleOverride) { - var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), options, drawBorders, drawControls; + var vpt = this.getViewportTransform(), matrix = this.calcTransformMatrix(), options; styleOverride = styleOverride || {}; - drawBorders = typeof styleOverride.hasBorders !== "undefined" ? styleOverride.hasBorders : this.hasBorders; - drawControls = typeof styleOverride.hasControls !== "undefined" ? styleOverride.hasControls : this.hasControls; matrix = fabric.util.multiplyTransformMatrices(vpt, matrix); options = fabric.util.qrDecompose(matrix); ctx.save(); @@ -6357,12 +6273,12 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { } if (this.group && this.group === this.canvas.getActiveGroup()) { ctx.rotate(degreesToRadians(options.angle)); - drawBorders && this.drawBordersInGroup(ctx, options, styleOverride); + (this.hasBorders || styleOverride.hasBorders) && this.drawBordersInGroup(ctx, options, styleOverride); } else { ctx.rotate(degreesToRadians(this.angle)); - drawBorders && this.drawBorders(ctx, styleOverride); + (this.hasBorders || styleOverride.hasBorders) && this.drawBorders(ctx, styleOverride); } - drawControls && this.drawControls(ctx, styleOverride); + (this.hasControls || styleOverride.hasControls) && this.drawControls(ctx, styleOverride); ctx.restore(); }, _setShadow: function(ctx) { @@ -6446,12 +6362,10 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { this.setPositionByOrigin(center, "center", "center"); }, clone: function(callback, propertiesToInclude) { - var objectForm = this.toObject(propertiesToInclude); if (this.constructor.fromObject) { - this.constructor.fromObject(objectForm, callback); - } else { - fabric.Object._fromObject("Object", objectForm, callback); + return this.constructor.fromObject(this.toObject(propertiesToInclude), callback); } + return new fabric.Object(this.toObject(propertiesToInclude)); }, cloneAsImage: function(callback, options) { var dataUrl = this.toDataURL(options); @@ -6592,19 +6506,25 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { fabric.Object.prototype.rotate = fabric.Object.prototype.setAngle; extend(fabric.Object.prototype, fabric.Observable); fabric.Object.NUM_FRACTION_DIGITS = 2; - fabric.Object._fromObject = function(className, object, callback, extraParam) { + fabric.Object._fromObject = function(className, object, callback, forceAsync, extraParam) { var klass = fabric[className]; object = clone(object, true); - fabric.util.enlivenPatterns([ object.fill, object.stroke ], function(patterns) { - if (typeof patterns[0] !== "undefined") { - object.fill = patterns[0]; - } - if (typeof patterns[1] !== "undefined") { - object.stroke = patterns[1]; - } + if (forceAsync) { + fabric.util.enlivenPatterns([ object.fill, object.stroke ], function(patterns) { + if (typeof patterns[0] !== "undefined") { + object.fill = patterns[0]; + } + if (typeof patterns[1] !== "undefined") { + object.stroke = patterns[1]; + } + var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); + callback && callback(instance); + }); + } else { var instance = extraParam ? new klass(object[extraParam], object) : new klass(object); callback && callback(instance); - }); + return instance; + } }; fabric.Object.__uid = 0; })(typeof exports !== "undefined" ? exports : this); @@ -7100,40 +7020,40 @@ fabric.util.object.extend(fabric.Object.prototype, { extend(origin[destination], tmpObj, deep); } function _isEqual(origValue, currentValue, firstPass) { - if (origValue === currentValue) { - return true; - } else if (Array.isArray(origValue)) { + if (!fabric.isLikelyNode && origValue instanceof Element) { + return origValue === currentValue; + } else if (origValue instanceof Array) { if (origValue.length !== currentValue.length) { return false; } for (var i = 0, len = origValue.length; i < len; i++) { - if (!_isEqual(origValue[i], currentValue[i])) { + if (origValue[i] !== currentValue[i]) { return false; } } return true; } else if (origValue && typeof origValue === "object") { - var keys = Object.keys(origValue), key; - if (!firstPass && keys.length !== Object.keys(currentValue).length) { + if (!firstPass && Object.keys(origValue).length !== Object.keys(currentValue).length) { return false; } - for (var i = 0, len = keys.length; i < len; i++) { - key = keys[i]; + for (var key in origValue) { if (!_isEqual(origValue[key], currentValue[key])) { return false; } } return true; + } else { + return origValue === currentValue; } } fabric.util.object.extend(fabric.Object.prototype, { hasStateChanged: function(propertySet) { propertySet = propertySet || originalSet; - var dashedPropertySet = "_" + propertySet; - if (Object.keys(this[dashedPropertySet]).length < this[propertySet].length) { + propertySet = "_" + propertySet; + if (!Object.keys(this[propertySet]).length) { return true; } - return !_isEqual(this[dashedPropertySet], this, true); + return !_isEqual(this[propertySet], this, true); }, saveState: function(options) { var propertySet = options && options.propertySet || originalSet, destination = "_" + propertySet; @@ -7228,66 +7148,66 @@ fabric.util.object.extend(fabric.Object.prototype, { ctx.restore(); return this; }, - drawBorders: function(ctx, styleOverride) { - styleOverride = styleOverride || {}; - var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth, drawRotatingPoint = typeof styleOverride.hasRotatingPoint !== "undefined" ? styleOverride.hasRotatingPoint : this.hasRotatingPoint, hasControls = typeof styleOverride.hasControls !== "undefined" ? styleOverride.hasControls : this.hasControls, rotatingPointOffset = typeof styleOverride.rotatingPointOffset !== "undefined" ? styleOverride.rotatingPointOffset : this.rotatingPointOffset; + drawBorders: function(ctx, bordersStyle) { + bordersStyle = bordersStyle || {}; + var wh = this._calculateCurrentDimensions(), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth; ctx.save(); - ctx.strokeStyle = styleOverride.borderColor || this.borderColor; - this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; + this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); ctx.strokeRect(-width / 2, -height / 2, width, height); - if (drawRotatingPoint && this.isControlVisible("mtr") && !this.get("lockRotation") && hasControls) { + if (bordersStyle.hasRotatingPoint || this.hasRotatingPoint && this.isControlVisible("mtr") && !this.get("lockRotation") && this.hasControls) { var rotateHeight = -height / 2; ctx.beginPath(); ctx.moveTo(0, rotateHeight); - ctx.lineTo(0, rotateHeight - rotatingPointOffset); + ctx.lineTo(0, rotateHeight - this.rotatingPointOffset); ctx.closePath(); ctx.stroke(); } ctx.restore(); return this; }, - drawBordersInGroup: function(ctx, options, styleOverride) { - styleOverride = styleOverride || {}; + drawBordersInGroup: function(ctx, options, bordersStyle) { + bordersStyle = bordersStyle || {}; var p = this._getNonTransformedDimensions(), matrix = fabric.util.customTransformMatrix(options.scaleX, options.scaleY, options.skewX), wh = fabric.util.transformPoint(p, matrix), strokeWidth = 1 / this.borderScaleFactor, width = wh.x + strokeWidth, height = wh.y + strokeWidth; ctx.save(); - this._setLineDash(ctx, styleOverride.borderDashArray || this.borderDashArray, null); - ctx.strokeStyle = styleOverride.borderColor || this.borderColor; + this._setLineDash(ctx, bordersStyle.borderDashArray || this.borderDashArray, null); + ctx.strokeStyle = bordersStyle.borderColor || this.borderColor; ctx.strokeRect(-width / 2, -height / 2, width, height); ctx.restore(); return this; }, - drawControls: function(ctx, styleOverride) { - styleOverride = styleOverride || {}; - var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, scaleOffset = styleOverride.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, transparentCorners = typeof styleOverride.transparentCorners !== "undefined" ? styleOverride.transparentCorners : this.transparentCorners, hasRotatingPoint = typeof styleOverride.hasRotatingPoint !== "undefined" ? styleOverride.hasRotatingPoint : this.hasRotatingPoint, methodName = transparentCorners ? "stroke" : "fill"; + drawControls: function(ctx, controlsStyle) { + controlsStyle = controlsStyle || {}; + var wh = this._calculateCurrentDimensions(), width = wh.x, height = wh.y, scaleOffset = controlsStyle.cornerSize || this.cornerSize, left = -(width + scaleOffset) / 2, top = -(height + scaleOffset) / 2, methodName = controlsStyle.transparentCorners || this.transparentCorners ? "stroke" : "fill"; ctx.save(); - ctx.strokeStyle = ctx.fillStyle = styleOverride.cornerColor || this.cornerColor; + ctx.strokeStyle = ctx.fillStyle = controlsStyle.cornerColor || this.cornerColor; if (!this.transparentCorners) { - ctx.strokeStyle = styleOverride.cornerStrokeColor || this.cornerStrokeColor; + ctx.strokeStyle = controlsStyle.cornerStrokeColor || this.cornerStrokeColor; } - this._setLineDash(ctx, styleOverride.cornerDashArray || this.cornerDashArray, null); - this._drawControl("tl", ctx, methodName, left, top, styleOverride); - this._drawControl("tr", ctx, methodName, left + width, top, styleOverride); - this._drawControl("bl", ctx, methodName, left, top + height, styleOverride); - this._drawControl("br", ctx, methodName, left + width, top + height, styleOverride); + this._setLineDash(ctx, controlsStyle.cornerDashArray || this.cornerDashArray, null); + this._drawControl("tl", ctx, methodName, left, top, controlsStyle); + this._drawControl("tr", ctx, methodName, left + width, top, controlsStyle); + this._drawControl("bl", ctx, methodName, left, top + height, controlsStyle); + this._drawControl("br", ctx, methodName, left + width, top + height, controlsStyle); if (!this.get("lockUniScaling")) { - this._drawControl("mt", ctx, methodName, left + width / 2, top, styleOverride); - this._drawControl("mb", ctx, methodName, left + width / 2, top + height, styleOverride); - this._drawControl("mr", ctx, methodName, left + width, top + height / 2, styleOverride); - this._drawControl("ml", ctx, methodName, left, top + height / 2, styleOverride); + this._drawControl("mt", ctx, methodName, left + width / 2, top, controlsStyle); + this._drawControl("mb", ctx, methodName, left + width / 2, top + height, controlsStyle); + this._drawControl("mr", ctx, methodName, left + width, top + height / 2, controlsStyle); + this._drawControl("ml", ctx, methodName, left, top + height / 2, controlsStyle); } - if (hasRotatingPoint) { - this._drawControl("mtr", ctx, methodName, left + width / 2, top - this.rotatingPointOffset, styleOverride); + if (controlsStyle.hasRotatingPoint || this.hasRotatingPoint) { + this._drawControl("mtr", ctx, methodName, left + width / 2, top - this.rotatingPointOffset, controlsStyle); } ctx.restore(); return this; }, - _drawControl: function(control, ctx, methodName, left, top, styleOverride) { - styleOverride = styleOverride || {}; + _drawControl: function(control, ctx, methodName, left, top, controlStyle) { + controlStyle = controlStyle || {}; if (!this.isControlVisible(control)) { return; } var size = this.cornerSize, stroke = !this.transparentCorners && this.cornerStrokeColor; - switch (styleOverride.cornerStyle || this.cornerStyle) { + switch (controlStyle.cornerStyle || this.cornerStyle) { case "circle": ctx.beginPath(); ctx.arc(left + size / 2, top + size / 2, size / 2, 0, 2 * Math.PI, false); @@ -7349,7 +7269,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { duration: this.FX_DURATION, onChange: function(value) { object.set("left", value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function() { @@ -7368,7 +7288,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { duration: this.FX_DURATION, onChange: function(value) { object.set("top", value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function() { @@ -7390,7 +7310,7 @@ fabric.util.object.extend(fabric.StaticCanvas.prototype, { }, onChange: function(value) { object.set("opacity", value); - _this.requestRenderAll(); + _this.renderAll(); onChange(); }, onComplete: function() { @@ -7592,21 +7512,25 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Line.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x1 y1 x2 y2".split(" ")); - fabric.Line.fromElement = function(element, callback, options) { + fabric.Line.fromElement = function(element, options) { options = options || {}; var parsedAttributes = fabric.parseAttributes(element, fabric.Line.ATTRIBUTE_NAMES), points = [ parsedAttributes.x1 || 0, parsedAttributes.y1 || 0, parsedAttributes.x2 || 0, parsedAttributes.y2 || 0 ]; options.originX = "left"; options.originY = "top"; - callback(new fabric.Line(points, extend(parsedAttributes, options))); + return new fabric.Line(points, extend(parsedAttributes, options)); }; - fabric.Line.fromObject = function(object, callback) { + fabric.Line.fromObject = function(object, callback, forceAsync) { function _callback(instance) { delete instance.points; callback && callback(instance); } var options = clone(object, true); options.points = [ object.x1, object.y1, object.x2, object.y2 ]; - fabric.Object._fromObject("Line", options, _callback, "points"); + var line = fabric.Object._fromObject("Line", options, _callback, forceAsync, "points"); + if (line) { + delete line.points; + } + return line; }; function makeEdgeToOriginGetter(propertyNames, originValues) { var origin = propertyNames.origin, axis1 = propertyNames.axis1, axis2 = propertyNames.axis2, dimension = propertyNames.dimension, nearest = originValues.nearest, center = originValues.center, farthest = originValues.farthest; @@ -7682,7 +7606,7 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Circle.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("cx cy r".split(" ")); - fabric.Circle.fromElement = function(element, callback, options) { + fabric.Circle.fromElement = function(element, options) { options || (options = {}); var parsedAttributes = fabric.parseAttributes(element, fabric.Circle.ATTRIBUTE_NAMES); if (!isValidRadius(parsedAttributes)) { @@ -7692,13 +7616,13 @@ fabric.util.object.extend(fabric.Object.prototype, { parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.radius; parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - callback(new fabric.Circle(extend(parsedAttributes, options))); + return new fabric.Circle(extend(parsedAttributes, options)); }; function isValidRadius(attributes) { return "radius" in attributes && attributes.radius >= 0; } - fabric.Circle.fromObject = function(object, callback) { - return fabric.Object._fromObject("Circle", object, callback); + fabric.Circle.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Circle", object, callback, forceAsync); }; })(typeof exports !== "undefined" ? exports : this); @@ -7739,8 +7663,8 @@ fabric.util.object.extend(fabric.Object.prototype, { return reviver ? reviver(markup.join("")) : markup.join(""); } }); - fabric.Triangle.fromObject = function(object, callback) { - return fabric.Object._fromObject("Triangle", object, callback); + fabric.Triangle.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Triangle", object, callback, forceAsync); }; })(typeof exports !== "undefined" ? exports : this); @@ -7803,17 +7727,17 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Ellipse.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("cx cy rx ry".split(" ")); - fabric.Ellipse.fromElement = function(element, callback, options) { + fabric.Ellipse.fromElement = function(element, options) { options || (options = {}); var parsedAttributes = fabric.parseAttributes(element, fabric.Ellipse.ATTRIBUTE_NAMES); parsedAttributes.left = (parsedAttributes.left || 0) - parsedAttributes.rx; parsedAttributes.top = (parsedAttributes.top || 0) - parsedAttributes.ry; parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - callback(new fabric.Ellipse(extend(parsedAttributes, options))); + return new fabric.Ellipse(extend(parsedAttributes, options)); }; - fabric.Ellipse.fromObject = function(object, callback) { - return fabric.Object._fromObject("Ellipse", object, callback); + fabric.Ellipse.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Ellipse", object, callback, forceAsync); }; })(typeof exports !== "undefined" ? exports : this); @@ -7884,9 +7808,9 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Rect.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y rx ry width height".split(" ")); - fabric.Rect.fromElement = function(element, callback, options) { + fabric.Rect.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options = options || {}; var parsedAttributes = fabric.parseAttributes(element, fabric.Rect.ATTRIBUTE_NAMES); @@ -7896,10 +7820,10 @@ fabric.util.object.extend(fabric.Object.prototype, { parsedAttributes.originY = "top"; var rect = new fabric.Rect(extend(options ? fabric.util.object.clone(options) : {}, parsedAttributes)); rect.visible = rect.visible && rect.width > 0 && rect.height > 0; - callback(rect); + return rect; }; - fabric.Rect.fromObject = function(object, callback) { - return fabric.Object._fromObject("Rect", object, callback); + fabric.Rect.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Rect", object, callback, forceAsync); }; })(typeof exports !== "undefined" ? exports : this); @@ -7988,16 +7912,16 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Polyline.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(); - fabric.Polyline.fromElement = function(element, callback, options) { + fabric.Polyline.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options || (options = {}); var points = fabric.parsePointsAttribute(element.getAttribute("points")), parsedAttributes = fabric.parseAttributes(element, fabric.Polyline.ATTRIBUTE_NAMES); - callback(new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options))); + return new fabric.Polyline(points, fabric.util.object.extend(parsedAttributes, options)); }; - fabric.Polyline.fromObject = function(object, callback) { - return fabric.Object._fromObject("Polyline", object, callback, "points"); + fabric.Polyline.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Polyline", object, callback, forceAsync, "points"); }; })(typeof exports !== "undefined" ? exports : this); @@ -8024,16 +7948,16 @@ fabric.util.object.extend(fabric.Object.prototype, { } }); fabric.Polygon.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat(); - fabric.Polygon.fromElement = function(element, callback, options) { + fabric.Polygon.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } options || (options = {}); var points = fabric.parsePointsAttribute(element.getAttribute("points")), parsedAttributes = fabric.parseAttributes(element, fabric.Polygon.ATTRIBUTE_NAMES); - callback(new fabric.Polygon(points, extend(parsedAttributes, options))); + return new fabric.Polygon(points, extend(parsedAttributes, options)); }; - fabric.Polygon.fromObject = function(object, callback) { - return fabric.Object._fromObject("Polygon", object, callback, "points"); + fabric.Polygon.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Polygon", object, callback, forceAsync, "points"); }; })(typeof exports !== "undefined" ? exports : this); @@ -8057,20 +7981,19 @@ fabric.util.object.extend(fabric.Object.prototype, { fabric.warn("fabric.Path is already defined"); return; } - var stateProperties = fabric.Object.prototype.stateProperties.concat(); - stateProperties.push("path"); var cacheProperties = fabric.Object.prototype.cacheProperties.concat(); - cacheProperties.push("path", "fillRule"); + cacheProperties.push("path"); fabric.Path = fabric.util.createClass(fabric.Object, { type: "path", path: null, minX: 0, minY: 0, cacheProperties: cacheProperties, - stateProperties: stateProperties, initialize: function(path, options) { options = options || {}; - this.callSuper("initialize", options); + if (options) { + this.setOptions(options); + } if (!path) { path = []; } @@ -8083,6 +8006,9 @@ fabric.util.object.extend(fabric.Object.prototype, { this.path = this._parsePath(); } this._setPositionDimensions(options); + if (this.objectCaching) { + this._createCacheCanvas(); + } }, _setPositionDimensions: function(options) { var calcDim = this._parseDimensions(); @@ -8534,27 +8460,17 @@ fabric.util.object.extend(fabric.Object.prototype, { return o; } }); - fabric.Path.fromObject = function(object, callback) { - if (typeof object.path === "string") { - var pathUrl = object.path; - fabric.loadSVGFromURL(pathUrl, function(elements) { - var path = elements[0]; - delete object.path; - path.setOptions(object); - path.setSourcePath(pathUrl); - callback && callback(path); - }); - } else { - fabric.Object._fromObject("Path", object, callback, "path"); - } + fabric.Path.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Path", object, callback, forceAsync, "path"); }; fabric.Path.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat([ "d" ]); fabric.Path.fromElement = function(element, callback, options) { var parsedAttributes = fabric.parseAttributes(element, fabric.Path.ATTRIBUTE_NAMES); parsedAttributes.originX = "left"; parsedAttributes.originY = "top"; - callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); + callback && callback(new fabric.Path(parsedAttributes.d, extend(parsedAttributes, options))); }; + fabric.Path.async = true; })(typeof exports !== "undefined" ? exports : this); (function(global) { @@ -8575,7 +8491,6 @@ fabric.util.object.extend(fabric.Object.prototype, { type: "group", strokeWidth: 0, subTargetCheck: false, - cacheProperties: [], initialize: function(objects, options, isAlreadyGrouped) { options = options || {}; this._objects = []; @@ -8726,21 +8641,21 @@ fabric.util.object.extend(fabric.Object.prototype, { this._transformDone = false; }, shouldCache: function() { - var ownCache = this.objectCaching && (!this.group || this.needsItsOwnCache() || !this.group.isOnACache()); - this.ownCaching = ownCache; - if (ownCache) { + var parentCache = this.objectCaching && (!this.group || this.needsItsOwnCache || !this.group.isCaching()); + this.caching = parentCache; + if (parentCache) { for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { - this.ownCaching = false; + this.caching = false; return false; } } } - return ownCache; + return parentCache; }, willDrawShadow: function() { if (this.shadow) { - return this.callSuper("willDrawShadow"); + return true; } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].willDrawShadow()) { @@ -8749,8 +8664,8 @@ fabric.util.object.extend(fabric.Object.prototype, { } return false; }, - isOnACache: function() { - return this.ownCaching || this.group && this.group.isOnACache(); + isCaching: function() { + return this.caching || this.group && this.group.isCaching(); }, drawObject: function(ctx) { for (var i = 0, len = this._objects.length; i < len; i++) { @@ -8766,10 +8681,8 @@ fabric.util.object.extend(fabric.Object.prototype, { } for (var i = 0, len = this._objects.length; i < len; i++) { if (this._objects[i].isCacheDirty(true)) { - if (this._cacheCanvas) { - var x = this.cacheWidth / this.zoomX, y = this.cacheHeight / this.zoomY; - this._cacheContext.clearRect(-x / 2, -y / 2, x, y); - } + var dim = this._getNonTransformedDimensions(); + this._cacheContext.clearRect(-dim.x / 2, -dim.y / 2, dim.x, dim.y); return true; } } @@ -8787,6 +8700,9 @@ fabric.util.object.extend(fabric.Object.prototype, { ctx.restore(); }, _renderObject: function(object, ctx) { + if (!object.visible) { + return; + } var originalHasRotatingPoint = object.hasRotatingPoint; object.hasRotatingPoint = false; object.render(ctx); @@ -8898,6 +8814,7 @@ fabric.util.object.extend(fabric.Object.prototype, { callback && callback(new fabric.Group(enlivenedObjects, object, true)); }); }; + fabric.Group.async = true; })(typeof exports !== "undefined" ? exports : this); (function(global) { @@ -8911,10 +8828,13 @@ fabric.util.object.extend(fabric.Object.prototype, { return; } var stateProperties = fabric.Object.prototype.stateProperties.concat(); - stateProperties.push("cropX", "cropY"); + stateProperties.push("alignX", "alignY", "meetOrSlice"); fabric.Image = fabric.util.createClass(fabric.Object, { type: "image", crossOrigin: "", + alignX: "none", + alignY: "none", + meetOrSlice: "meet", strokeWidth: 0, _lastScaleX: 1, _lastScaleY: 1, @@ -8924,8 +8844,6 @@ fabric.util.object.extend(fabric.Object.prototype, { stateProperties: stateProperties, objectCaching: false, cacheKey: "", - cropX: 0, - cropY: 0, initialize: function(element, options) { options || (options = {}); this.filters = []; @@ -8992,7 +8910,7 @@ fabric.util.object.extend(fabric.Object.prototype, { filters.push(filterObj.toObject()); } }); - var object = extend(this.callSuper("toObject", [ "crossOrigin", "cropX", "cropY" ].concat(propertiesToInclude)), { + var object = extend(this.callSuper("toObject", [ "crossOrigin", "alignX", "alignY", "meetOrSlice" ].concat(propertiesToInclude)), { src: this.getSrc(), filters: filters }); @@ -9004,8 +8922,11 @@ fabric.util.object.extend(fabric.Object.prototype, { return object; }, toSVG: function(reviver) { - var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, filtered = true; - markup.push('\n', "\n"); + var markup = this._createBaseSVGMarkup(), x = -this.width / 2, y = -this.height / 2, preserveAspectRatio = "none", filtered = true; + if (this.alignX !== "none" && this.alignY !== "none") { + preserveAspectRatio = "x" + this.alignX + "Y" + this.alignY + " " + this.meetOrSlice; + } + markup.push('\n', "\n"); if (this.stroke || this.strokeDashArray) { var origFill = this.fill; this.fill = null; @@ -9105,20 +9026,52 @@ fabric.util.object.extend(fabric.Object.prototype, { return this; }, _render: function(ctx) { - var x = -this.width / 2, y = -this.height / 2, elementToDraw; + var x = -this.width / 2, y = -this.height / 2, imageMargins = this._findMargins(), elementToDraw; + if (this.meetOrSlice === "slice") { + ctx.beginPath(); + ctx.rect(x, y, this.width, this.height); + ctx.clip(); + } if (this.isMoving === false && this.resizeFilter && this._needsResize()) { this._lastScaleX = this.scaleX; this._lastScaleY = this.scaleY; this.applyResizeFilters(); } elementToDraw = this._element; - elementToDraw && ctx.drawImage(elementToDraw, this.cropX, this.cropY, this.width, this.height, x, y, this.width, this.height); + elementToDraw && ctx.drawImage(elementToDraw, x + imageMargins.marginX, y + imageMargins.marginY, imageMargins.width, imageMargins.height); this._stroke(ctx); this._renderStroke(ctx); }, _needsResize: function() { return this.scaleX !== this._lastScaleX || this.scaleY !== this._lastScaleY; }, + _findMargins: function() { + var width = this.width, height = this.height, scales, scale, marginX = 0, marginY = 0; + if (this.alignX !== "none" || this.alignY !== "none") { + scales = [ this.width / this._element.width, this.height / this._element.height ]; + scale = this.meetOrSlice === "meet" ? Math.min.apply(null, scales) : Math.max.apply(null, scales); + width = this._element.width * scale; + height = this._element.height * scale; + if (this.alignX === "Mid") { + marginX = (this.width - width) / 2; + } + if (this.alignX === "Max") { + marginX = this.width - width; + } + if (this.alignY === "Mid") { + marginY = (this.height - height) / 2; + } + if (this.alignY === "Max") { + marginY = this.height - height; + } + } + return { + width: width, + height: height, + marginX: marginX, + marginY: marginY + }; + }, _resetWidthHeight: function() { var element = this.getElement(); this.set("width", element.width); @@ -9148,54 +9101,6 @@ fabric.util.object.extend(fabric.Object.prototype, { _setWidthHeight: function(options) { this.width = "width" in options ? options.width : this.getElement() ? this.getElement().width || 0 : 0; this.height = "height" in options ? options.height : this.getElement() ? this.getElement().height || 0 : 0; - }, - parsePreserveAspectRatioAttribute: function() { - if (!this.preserveAspectRatio) { - return; - } - var pAR = fabric.util.parsePreserveAspectRatioAttribute(this.preserveAspectRatio), width = this._element.width, height = this._element.height, scale, pWidth = this.width, pHeight = this.height, parsedAttributes = { - width: pWidth, - height: pHeight - }; - if (pAR && (pAR.alignX !== "none" || pAR.alignY !== "none")) { - if (pAR.meetOrSlice === "meet") { - this.width = width; - this.height = height; - this.scaleX = this.scaleY = scale = fabric.util.findScaleToFit(this._element, parsedAttributes); - if (pAR.alignX === "Mid") { - this.left += (pWidth - width * scale) / 2; - } - if (pAR.alignX === "Max") { - this.left += pWidth - width * scale; - } - if (pAR.alignY === "Mid") { - this.top += (pHeight - height * scale) / 2; - } - if (pAR.alignY === "Max") { - this.top += pHeight - height * scale; - } - } - if (pAR.meetOrSlice === "slice") { - this.scaleX = this.scaleY = scale = fabric.util.findScaleToCover(this._element, parsedAttributes); - this.width = pWidth / scale; - this.height = pHeight / scale; - if (pAR.alignX === "Mid") { - this.cropX = (width - this.width) / 2; - } - if (pAR.alignX === "Max") { - this.cropX = width - this.width; - } - if (pAR.alignY === "Mid") { - this.cropY = (height - this.height) / 2; - } - if (pAR.alignY === "Max") { - this.cropY = height - this.height; - } - } - } else { - this.scaleX = pWidth / width; - this.scaleY = pHeight / height; - } } }); fabric.Image.CSS_CANVAS = "canvas-img"; @@ -9223,9 +9128,15 @@ fabric.util.object.extend(fabric.Object.prototype, { }; fabric.Image.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y width height preserveAspectRatio xlink:href crossOrigin".split(" ")); fabric.Image.fromElement = function(element, callback, options) { - var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES); + var parsedAttributes = fabric.parseAttributes(element, fabric.Image.ATTRIBUTE_NAMES), preserveAR; + if (parsedAttributes.preserveAspectRatio) { + preserveAR = fabric.util.parsePreserveAspectRatioAttribute(parsedAttributes.preserveAspectRatio); + extend(parsedAttributes, preserveAR); + } fabric.Image.fromURL(parsedAttributes["xlink:href"], callback, extend(options ? fabric.util.object.clone(options) : {}, parsedAttributes)); }; + fabric.Image.async = true; + fabric.Image.pngCompression = 1; })(typeof exports !== "undefined" ? exports : this); fabric.util.object.extend(fabric.Object.prototype, { @@ -9556,8 +9467,8 @@ fabric.Image.filters.BaseFilter = fabric.util.createClass({ } var attributeLocations = this.getAttributeLocations(gl, program); var uniformLocations = this.getUniformLocations(gl, program) || {}; - uniformLocations.uStepW = gl.getUniformLocation(program, "uStepW"); - uniformLocations.uStepH = gl.getUniformLocation(program, "uStepH"); + uniformLocations.uWidth = gl.getUniformLocation(program, "uWidth"); + uniformLocations.uHeight = gl.getUniformLocation(program, "uHeight"); return { program: program, attributeLocations: attributeLocations, @@ -9926,7 +9837,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { var fabric = global.fabric || (global.fabric = {}), extend = fabric.util.object.extend, filters = fabric.Image.filters, createClass = fabric.util.createClass; filters.Noise = createClass(filters.BaseFilter, { type: "Noise", - fragmentSource: "precision highp float;\n" + "uniform sampler2D uTexture;\n" + "uniform float uStepH;\n" + "uniform float uNoise;\n" + "uniform float uSeed;\n" + "varying vec2 vTexCoord;\n" + "float rand(vec2 co, float seed, float vScale) {\n" + "return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n" + "}\n" + "void main() {\n" + "vec4 color = texture2D(uTexture, vTexCoord);\n" + "color.rgb += (0.5 - rand(vTexCoord, uSeed, 0.1 / uStepH)) * uNoise;\n" + "gl_FragColor = color;\n" + "}", + fragmentSource: "precision highp float;\n" + "uniform sampler2D uTexture;\n" + "uniform float uHeight;\n" + "uniform float uNoise;\n" + "uniform float uSeed;\n" + "varying vec2 vTexCoord;\n" + "float rand(vec2 co, float seed, float vScale) {\n" + "return fract(sin(dot(co.xy * vScale ,vec2(12.9898 , 78.233))) * 43758.5453 * (seed + 0.01) / 2.0);\n" + "}\n" + "void main() {\n" + "vec4 color = texture2D(uTexture, vTexCoord);\n" + "color.rgb += (0.5 - rand(vTexCoord, uSeed, uHeight / 10.0)) * uNoise;\n" + "gl_FragColor = color;\n" + "}", mainParameter: "noise", noise: 0, applyTo2d: function(options) { @@ -9997,8 +9908,8 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { getUniformLocations: function(gl, program) { return { uBlocksize: gl.getUniformLocation(program, "uBlocksize"), - uStepW: gl.getUniformLocation(program, "uStepW"), - uStepH: gl.getUniformLocation(program, "uStepH") + uWidth: gl.getUniformLocation(program, "uWidth"), + uHeight: gl.getUniformLocation(program, "uHeight") }; }, sendUniformData: function(gl, uniformLocations) { @@ -10188,7 +10099,6 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }, toObject: function() { return { - type: this.type, color: this.color, mode: this.mode, alpha: this.alpha @@ -11246,9 +11156,9 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); fabric.Text.ATTRIBUTE_NAMES = fabric.SHARED_ATTRIBUTES.concat("x y dx dy font-family font-style font-weight font-size text-decoration text-anchor".split(" ")); fabric.Text.DEFAULT_SVG_FONT_SIZE = 16; - fabric.Text.fromElement = function(element, callback, options) { + fabric.Text.fromElement = function(element, options) { if (!element) { - return callback(null); + return null; } var parsedAttributes = fabric.parseAttributes(element, fabric.Text.ATTRIBUTE_NAMES); options = fabric.util.object.extend(options ? clone(options) : {}, parsedAttributes); @@ -11303,10 +11213,10 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }); text.originX = "left"; text.originY = "top"; - callback(text); + return text; }; - fabric.Text.fromObject = function(object, callback) { - return fabric.Object._fromObject("Text", object, callback, "text"); + fabric.Text.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Text", object, callback, forceAsync, "text"); }; fabric.util.createAccessors(fabric.Text); })(typeof exports !== "undefined" ? exports : this); @@ -11388,7 +11298,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { return this; }, initDimensions: function() { - this.isEditing && this.initDelayedCursor(); + this.abortCursorAnimation(); this.clearContextTop(); this.callSuper("initDimensions"); }, @@ -11548,7 +11458,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { }; } }); - fabric.IText.fromObject = function(object, callback) { + fabric.IText.fromObject = function(object, callback, forceAsync) { parseDecoration(object); if (object.styles) { for (var i in object.styles) { @@ -11557,7 +11467,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { } } } - fabric.Object._fromObject("IText", object, callback, "text"); + return fabric.Object._fromObject("IText", object, callback, forceAsync, "text"); }; })(); @@ -11780,7 +11690,7 @@ fabric.Image.filters.BaseFilter.fromObject = function(object, callback) { target: this }); this.initMouseMoveHandler(); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); return this; }, exitEditingOnOthers: function(canvas) { @@ -12173,6 +12083,9 @@ fabric.util.object.extend(fabric.IText.prototype, { if (this.isTripleClick(newPointer, options.e)) { this.fire("tripleclick", options); this._stopEvent(options.e); + } else if (this.isDoubleClick(newPointer)) { + this.fire("dblclick", options); + this._stopEvent(options.e); } this.__lastLastClickTime = this.__lastClickTime; this.__lastClickTime = this.__newClickTime; @@ -12180,6 +12093,9 @@ fabric.util.object.extend(fabric.IText.prototype, { this.__lastIsEditing = this.isEditing; this.__lastSelected = this.selected; }, + isDoubleClick: function(newPointer) { + return this.__newClickTime - this.__lastClickTime < 500 && this.__lastPointer.x === newPointer.x && this.__lastPointer.y === newPointer.y && this.__lastIsEditing; + }, isTripleClick: function(newPointer) { return this.__newClickTime - this.__lastClickTime < 500 && this.__lastClickTime - this.__lastLastClickTime < 500 && this.__lastPointer.x === newPointer.x && this.__lastPointer.y === newPointer.y; }, @@ -12193,7 +12109,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.initClicks(); }, initClicks: function() { - this.on("mousedblclick", function(options) { + this.on("dblclick", function(options) { this.selectWord(this.getSelectionStartFromPointer(options.e)); }); this.on("tripleclick", function(options) { @@ -12301,7 +12217,6 @@ fabric.util.object.extend(fabric.IText.prototype, { this.hiddenTextarea.setAttribute("autocorrect", "off"); this.hiddenTextarea.setAttribute("autocomplete", "off"); this.hiddenTextarea.setAttribute("spellcheck", "false"); - this.hiddenTextarea.setAttribute("data-fabric-hiddentextarea", ""); var style = this._calcTextareaPosition(); this.hiddenTextarea.style.cssText = "white-space: nowrap; position: absolute; top: " + style.top + "; left: " + style.left + "; z-index: -999; opacity: 0; width: 1px; height: 1px; font-size: 1px;" + " line-height: 1px; paddingｰtop: " + style.fontSize + ";"; fabric.document.body.appendChild(this.hiddenTextarea); @@ -12319,7 +12234,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this._clickHandlerInitialized = true; } }, - keysMap: { + _keysMap: { 9: "exitEditing", 27: "exitEditing", 33: "moveCursorUp", @@ -12331,11 +12246,11 @@ fabric.util.object.extend(fabric.IText.prototype, { 39: "moveCursorRight", 40: "moveCursorDown" }, - ctrlKeysMapUp: { + _ctrlKeysMapUp: { 67: "copy", 88: "cut" }, - ctrlKeysMapDown: { + _ctrlKeysMapDown: { 65: "selectAll" }, onClick: function() { @@ -12345,10 +12260,10 @@ fabric.util.object.extend(fabric.IText.prototype, { if (!this.isEditing || this.inCompositionMode) { return; } - if (e.keyCode in this.keysMap) { - this[this.keysMap[e.keyCode]](e); - } else if (e.keyCode in this.ctrlKeysMapDown && (e.ctrlKey || e.metaKey)) { - this[this.ctrlKeysMapDown[e.keyCode]](e); + if (e.keyCode in this._keysMap) { + this[this._keysMap[e.keyCode]](e); + } else if (e.keyCode in this._ctrlKeysMapDown && (e.ctrlKey || e.metaKey)) { + this[this._ctrlKeysMapDown[e.keyCode]](e); } else { return; } @@ -12358,7 +12273,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.clearContextTop(); this.renderCursorOrSelection(); } else { - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); } }, onKeyUp: function(e) { @@ -12366,14 +12281,14 @@ fabric.util.object.extend(fabric.IText.prototype, { this._copyDone = false; return; } - if (e.keyCode in this.ctrlKeysMapUp && (e.ctrlKey || e.metaKey)) { - this[this.ctrlKeysMapUp[e.keyCode]](e); + if (e.keyCode in this._ctrlKeysMapUp && (e.ctrlKey || e.metaKey)) { + this[this._ctrlKeysMapUp[e.keyCode]](e); } else { return; } e.stopImmediatePropagation(); e.preventDefault(); - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); }, onInput: function(e) { var fromPaste = this.fromPaste; @@ -12391,7 +12306,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.canvas.fire("text:changed", { target: this }); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); } } if (this.selectionStart !== this.selectionEnd) { @@ -12424,7 +12339,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.canvas.fire("text:changed", { target: this }); - this.canvas.requestRenderAll(); + this.canvas.renderAll(); } }, onCompositionStart: function() { @@ -12637,7 +12552,7 @@ fabric.util.object.extend(fabric.IText.prototype, { this.set("dirty", true); this.setSelectionEnd(this.selectionStart); this._removeExtraneousStyles(); - this.canvas && this.canvas.requestRenderAll(); + this.canvas && this.canvas.renderAll(); this.setCoords(); this.fire("changed"); this.canvas && this.canvas.fire("text:changed", { @@ -12781,10 +12696,12 @@ fabric.util.object.extend(fabric.IText.prototype, { minWidth: 20, dynamicMinWidth: 2, __cachedLines: null, + lockScalingY: true, lockScalingFlip: true, noScaleCache: false, initialize: function(text, options) { this.callSuper("initialize", text, options); + this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); this.ctx = this.objectCaching ? this._cacheContext : fabric.util.createCanvasElement().getContext("2d"); this._dimensionAffectingProps.push("width"); }, @@ -12792,7 +12709,7 @@ fabric.util.object.extend(fabric.IText.prototype, { if (this.__skipDimension) { return; } - this.isEditing && this.initDelayedCursor(); + this.initDelayedCursor(); this.clearContextTop(); this._clearCache(); this.dynamicMinWidth = 0; @@ -12932,6 +12849,13 @@ fabric.util.object.extend(fabric.IText.prototype, { newText.graphemeLines = graphemeLines; return newText; }, + setOnGroup: function(key, value) { + if (key === "scaleX") { + this.set("scaleX", Math.abs(1 / value)); + this.set("width", this.get("width") * value / (typeof this.__oldScaleX === "undefined" ? 1 : this.__oldScaleX)); + this.__oldScaleX = value; + } + }, getMinWidth: function() { return Math.max(this.minWidth, this.dynamicMinWidth); }, @@ -12939,8 +12863,21 @@ fabric.util.object.extend(fabric.IText.prototype, { return this.callSuper("toObject", [ "minWidth" ].concat(propertiesToInclude)); } }); - fabric.Textbox.fromObject = function(object, callback) { - return fabric.Object._fromObject("Textbox", object, callback, "text"); + fabric.Textbox.fromObject = function(object, callback, forceAsync) { + return fabric.Object._fromObject("Textbox", object, callback, forceAsync, "text"); + }; + fabric.Textbox.getTextboxControlVisibility = function() { + return { + tl: false, + tr: false, + br: false, + bl: false, + ml: true, + mt: false, + mr: true, + mb: false, + mtr: true + }; }; })(typeof exports !== "undefined" ? exports : this); @@ -12948,9 +12885,8 @@ fabric.util.object.extend(fabric.IText.prototype, { var setObjectScaleOverridden = fabric.Canvas.prototype._setObjectScale; fabric.Canvas.prototype._setObjectScale = function(localMouse, transform, lockScalingX, lockScalingY, by, lockScalingFlip, _dim) { var t = transform.target; - if (by === "x" && t instanceof fabric.Textbox) { - var tw = t._getTransformedDimensions().x; - var w = t.width * (localMouse.x / tw); + if (t instanceof fabric.Textbox) { + var w = t.width * (localMouse.x / transform.scaleX / (t.width + t.strokeWidth)); if (w >= t.getMinWidth()) { t.set("width", w); return true; @@ -12959,6 +12895,17 @@ fabric.util.object.extend(fabric.IText.prototype, { return setObjectScaleOverridden.call(fabric.Canvas.prototype, localMouse, transform, lockScalingX, lockScalingY, by, lockScalingFlip, _dim); } }; + fabric.Group.prototype._refreshControlsVisibility = function() { + if (typeof fabric.Textbox === "undefined") { + return; + } + for (var i = this._objects.length; i--; ) { + if (this._objects[i] instanceof fabric.Textbox) { + this.setControlsVisibility(fabric.Textbox.getTextboxControlVisibility()); + return; + } + } + }; fabric.util.object.extend(fabric.Textbox.prototype, { _removeExtraneousStyles: function() { for (var prop in this._styleMap) { @@ -13130,4 +13077,4 @@ if (typeof define === "function" && define.amd) { define([], function() { return fabric; }); -} \ No newline at end of file +} diff --git a/test/unit/canvas.js b/test/unit/canvas.js index 60a98e2130b..42241ca1779 100644 --- a/test/unit/canvas.js +++ b/test/unit/canvas.js @@ -1006,7 +1006,7 @@ }); asyncTest('loadFromJSON with custom properties on Canvas with image', function() { - var JSON_STRING = '{"objects":[{"type":"image","originX":"left","originY":"top","left":13.6,"top":-1.4,"width":3000,"height":3351,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeLineJoin":"miter","strokeMiterLimit":10,"scaleX":0.05,"scaleY":0.05,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"src":"' + IMG_SRC + '","filters":[],"crossOrigin":"","alignX":"none","alignY":"none","meetOrSlice":"meet"}],' + var JSON_STRING = '{"objects":[{"type":"image","originX":"left","originY":"top","left":13.6,"top":-1.4,"width":3000,"height":3351,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeLineJoin":"miter","strokeMiterLimit":10,"scaleX":0.05,"scaleY":0.05,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"src":"' + IMG_SRC + '","filters":[],"crossOrigin":""}],' + '"background":"green"}'; var serialized = JSON.parse(JSON_STRING); serialized.controlsAboveOverlay = true; diff --git a/test/unit/canvas_static.js b/test/unit/canvas_static.js index 77f885f78e0..17006fa281b 100644 --- a/test/unit/canvas_static.js +++ b/test/unit/canvas_static.js @@ -102,9 +102,8 @@ 'crossOrigin': '', 'skewX': 0, 'skewY': 0, - 'alignX': 'none', - 'alignY': 'none', - 'meetOrSlice': 'meet' + 'cropX': 0, + 'cropY': 0 }; function _createImageElement() { @@ -1028,7 +1027,7 @@ asyncTest('loadFromJSON with image background and color', function() { var serialized = JSON.parse(PATH_JSON); serialized.background = 'green'; - serialized.backgroundImage = JSON.parse('{"type":"image","originX":"left","originY":"top","left":13.6,"top":-1.4,"width":3000,"height":3351,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeLineJoin":"miter","strokeMiterLimit":10,"scaleX":0.05,"scaleY":0.05,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"src":"' + IMG_SRC + '","filters":[],"crossOrigin":"","alignX":"none","alignY":"none","meetOrSlice":"meet"}'); + serialized.backgroundImage = JSON.parse('{"type":"image","originX":"left","originY":"top","left":13.6,"top":-1.4,"width":3000,"height":3351,"fill":"rgb(0,0,0)","stroke":null,"strokeWidth":0,"strokeDashArray":null,"strokeLineCap":"butt","strokeLineJoin":"miter","strokeMiterLimit":10,"scaleX":0.05,"scaleY":0.05,"angle":0,"flipX":false,"flipY":false,"opacity":1,"shadow":null,"visible":true,"clipTo":null,"backgroundColor":"","fillRule":"nonzero","globalCompositeOperation":"source-over","transformMatrix":null,"skewX":0,"skewY":0,"src":"' + IMG_SRC + '","filters":[],"crossOrigin":""}'); canvas.loadFromJSON(serialized, function() { ok(!canvas.isEmpty(), 'canvas is not empty'); equal(canvas.backgroundColor, 'green'); diff --git a/test/unit/image.js b/test/unit/image.js index 081bea8508e..e05bd53aca0 100644 --- a/test/unit/image.js +++ b/test/unit/image.js @@ -47,9 +47,8 @@ 'skewY': 0, 'transformMatrix': null, 'crossOrigin': '', - 'alignX': 'none', - 'alignY': 'none', - 'meetOrSlice': 'meet' + 'cropX': 0, + 'cropY': 0 }; function _createImageElement() {