diff --git a/CHANGELOG.md b/CHANGELOG.md index 8476b7f2eab..1e855b198cc 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -2,6 +2,7 @@ ## [next] +- refactor(): svg export logic to use `calcOwnMatrix` as a prerequisite for a fix to `calcTransformMatrix` based on [#8298](https://github.com/fabricjs/fabric.js/pull/8298), [#8305](https://github.com/fabricjs/fabric.js/pull/8305) - ci(build): safeguard concurrent unlocking [#8309](https://github.com/fabricjs/fabric.js/pull/8309) - ci(): update stale bot [#8307](https://github.com/fabricjs/fabric.js/pull/8307) - ci(test): await golden generation in visual tests [#8284](https://github.com/fabricjs/fabric.js/pull/8284) diff --git a/src/RenderingContext.ts b/src/RenderingContext.ts new file mode 100644 index 00000000000..f3cfddfa14d --- /dev/null +++ b/src/RenderingContext.ts @@ -0,0 +1,168 @@ +import { iMatrix } from './constants'; +import { multiplyTransformMatrices } from './util/misc/matrix'; +import { Canvas, TObject } from './__types__'; + +export type TRenderingListing = { + target: TObject; + /** + * object/canvas being clipped by the target + */ + clipping?: TObject | Canvas; + /** + * target is being cached + */ + caching?: boolean; +}; + +type TRenderingAction = + | 'requested' + | 'canvas-export' + | 'object-export' + | 'hit-test'; + +type TRenderingOptions = { + /** + * setting this flag to `false` disables offscreen validation, all objects will be rendered. + */ + offscreenValidation?: boolean; + + action?: TRenderingAction; +}; + +export class RenderingContext implements TRenderingOptions { + offscreenValidation = true; + action?: TRenderingAction; + + tree: TRenderingListing[] = []; + + static init(listing?: TRenderingListing, options?: TRenderingOptions) { + const context = new RenderingContext(options); + listing && context.push(listing); + return context; + } + + constructor({ action, offscreenValidation = true }: TRenderingOptions = {}) { + this.action = action; + this.offscreenValidation = offscreenValidation; + } + + push(listing: TRenderingListing) { + this.tree.push(Object.freeze({ ...listing })); + } + + update(target: TObject, listing: Omit) { + const index = this.findIndex(target); + index > -1 && + this.tree.splice( + index, + 1, + Object.freeze({ + ...this.tree[index], + ...listing, + target, + }) + ); + } + + validateAtBottomOfTree(target: TObject) { + const index = this.findIndex(target); + if (index === -1) { + this.push({ target }); + } else if (index !== this.tree.length - 1) { + throw new Error('fabric: rendering tree has been violated'); + } + return this.tree[this.tree.length - 1]; + } + + findIndex(target: TObject) { + for (let index = this.tree.length - 1; index >= 0; index--) { + if (this.tree[index].target === target) { + return index; + } + } + return -1; + } + + find(target: TObject): TRenderingListing | undefined { + return this.tree[this.findIndex(target)]; + } + + private slice(from?: TObject, to?: TObject, inclusive = false) { + const start = from ? this.findIndex(from) : -1; + const end = to ? this.findIndex(to) : -1; + return this.tree + .slice( + start > -1 ? start : undefined, + end > -1 ? end + Number(inclusive) : undefined + ) + .reverse(); + } + + private getTreeUpTo(target?: TObject) { + return this.slice(undefined, target, true); + } + + private getAncestors(target?: TObject) { + return this.slice(undefined, target, false); + } + + shouldPerformOffscreenValidation(target: TObject) { + return ( + this.offscreenValidation && + this.action !== 'hit-test' && + this.action !== 'object-export' && + !this.getTreeUpTo(target).some( + ({ caching, clipping }) => !!caching || !!clipping + ) + ); + } + + shouldFireRenderingEvent() { + return this.action === 'requested' || !this.action; + } + + isNested(target: TObject) { + return !!target.group && this.findIndex(target) > 0; + } + + isClipping(target: TObject) { + return !!this.find(target)?.clipping; + } + + isOnClipPath(target: TObject) { + return this.getAncestors(target).some(({ clipping }) => clipping); + } + + isCaching(target: TObject) { + return !!this.find(target)?.caching; + } + + isOnCache(target: TObject) { + return this.getAncestors(target).some(({ caching }) => caching); + } + + /** + * + * @param target + * @returns the transform from the viewer to `target` + */ + calcTransformMatrix(target: TObject) { + return this.getTreeUpTo(target) + .reverse() + .reduce( + (mat, { target }) => + multiplyTransformMatrices(target.calcOwnMatrix(), mat), + iMatrix + ); + } + + fork(listing?: TRenderingListing) { + const context = new RenderingContext({ + action: this.action, + offscreenValidation: this.offscreenValidation, + }); + context.tree = [...this.tree]; + listing && context.push(listing); + return context; + } +} diff --git a/src/canvas.class.ts b/src/canvas.class.ts index a87f6bee33c..3bae8108dda 100644 --- a/src/canvas.class.ts +++ b/src/canvas.class.ts @@ -1,5 +1,6 @@ //@ts-nocheck import { Point } from './point.class'; +import { RenderingContext } from './RenderingContext'; (function (global) { var fabric = global.fabric, @@ -514,7 +515,7 @@ import { Point } from './point.class'; * @return {fabric.Canvas} instance * @chainable */ - renderAll: function () { + renderAll: function (isRequested = false) { this.cancelRequestedRender(); if (this.destroyed) { return; @@ -533,7 +534,13 @@ import { Point } from './point.class'; } !this._objectsToRender && (this._objectsToRender = this._chooseObjectsToRender()); - this.renderCanvas(this.contextContainer, this._objectsToRender); + this.renderCanvas( + this.contextContainer, + this._objectsToRender, + new RenderingContext({ + action: isRequested ? 'requested' : undefined, + }) + ); return this; }, @@ -587,6 +594,7 @@ import { Point } from './point.class'; // because we need to draw controls too. if ( target.shouldCache() && + !target.isNotVisible() && target._cacheCanvas && target !== this._activeObject ) { @@ -623,7 +631,7 @@ import { Point } from './point.class'; ctx.save(); ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); - target.render(ctx); + target.render(ctx, new RenderingContext({ action: 'hit-test' })); ctx.restore(); target.selectionBackgroundColor = originalColor; diff --git a/src/mixins/canvas_dataurl_exporter.mixin.ts b/src/mixins/canvas_dataurl_exporter.mixin.ts index 14ba493d513..d8eca549f74 100644 --- a/src/mixins/canvas_dataurl_exporter.mixin.ts +++ b/src/mixins/canvas_dataurl_exporter.mixin.ts @@ -1,4 +1,7 @@ //@ts-nocheck + +import { RenderingContext } from '../RenderingContext'; + (function (global) { var fabric = global.fabric; fabric.util.object.extend( @@ -66,7 +69,9 @@ * @param {Number} [options.top] Cropping top offset. * @param {Number} [options.width] Cropping width. * @param {Number} [options.height] Cropping height. + * @param {fabric.Object[]} [options.objects] Objects to render, overrides the `filter` option. * @param {(object: fabric.Object) => boolean} [options.filter] Function to filter objects. + * @param {boolean} [options.objectExport] flag indicating exporting an object. */ toCanvasElement: function (multiplier, options) { multiplier = multiplier || 1; @@ -85,9 +90,11 @@ originalRetina = this.enableRetinaScaling, canvasEl = fabric.util.createCanvasElement(), originalContextTop = this.contextTop, - objectsToRender = options.filter - ? this._objects.filter(options.filter) - : this._objects; + objectsToRender = + options.objects || + (options.filter + ? this._objects.filter(options.filter) + : this._objects); canvasEl.width = scaledWidth; canvasEl.height = scaledHeight; this.contextTop = null; @@ -97,7 +104,13 @@ this.width = scaledWidth; this.height = scaledHeight; this.calcViewportBoundaries(); - this.renderCanvas(canvasEl.getContext('2d'), objectsToRender); + this.renderCanvas( + canvasEl.getContext('2d'), + objectsToRender, + new RenderingContext({ + action: options.objectExport ? 'object-export' : 'canvas-export', + }) + ); this.viewportTransform = vp; this.width = originalWidth; this.height = originalHeight; diff --git a/src/mixins/canvas_events.mixin.ts b/src/mixins/canvas_events.mixin.ts index f0ab9d0d864..c735d8450c5 100644 --- a/src/mixins/canvas_events.mixin.ts +++ b/src/mixins/canvas_events.mixin.ts @@ -902,7 +902,8 @@ import { fireEvent } from '../util/fireEvent'; _onMouseDownInDrawingMode: function (e) { this._isCurrentlyDrawing = true; if (this.getActiveObject()) { - this.discardActiveObject(e).requestRenderAll(); + this.discardActiveObject(e); + this.requestRenderAll(); } var pointer = this.getPointer(e); this.freeDrawingBrush.onMouseDown(pointer, { e: e, pointer: pointer }); diff --git a/src/mixins/eraser_brush.mixin.ts b/src/mixins/eraser_brush.mixin.ts index dd8eba1ba83..bbd9a6ef7d0 100644 --- a/src/mixins/eraser_brush.mixin.ts +++ b/src/mixins/eraser_brush.mixin.ts @@ -1,12 +1,14 @@ //@ts-nocheck import { Point } from '../point.class'; +import { RenderingContext } from '../RenderingContext'; (function (global) { /** ERASER_START */ var fabric = global.fabric, - __drawClipPath = fabric.Object.prototype._drawClipPath; - var _needsItsOwnCache = fabric.Object.prototype.needsItsOwnCache; + _drawClipPath = fabric.Object.prototype.drawClipPath; + var _shouldRenderInIsolation = + fabric.Object.prototype.shouldRenderInIsolation; var _toObject = fabric.Object.prototype.toObject; var _getSvgCommons = fabric.Object.prototype.getSvgCommons; var __createBaseClipPathSVGMarkup = @@ -42,8 +44,8 @@ import { Point } from '../point.class'; * @override * @returns Boolean */ - needsItsOwnCache: function () { - return _needsItsOwnCache.call(this) || !!this.eraser; + shouldRenderInIsolation: function () { + return _shouldRenderInIsolation.call(this) || !!this.eraser; }, /** @@ -53,8 +55,8 @@ import { Point } from '../point.class'; * @param {CanvasRenderingContext2D} ctx * @param {fabric.Object} clipPath */ - _drawClipPath: function (ctx, clipPath) { - __drawClipPath.call(this, ctx, clipPath); + drawClipPath: function (ctx, clipPath, renderingContext) { + _drawClipPath.call(this, ctx, clipPath, renderingContext); if (this.eraser) { // update eraser size to match instance var size = this._getNonTransformedDimensions(); @@ -63,7 +65,7 @@ import { Point } from '../point.class'; width: size.x, height: size.y, }); - __drawClipPath.call(this, ctx, this.eraser); + _drawClipPath.call(this, ctx, this.eraser, renderingContext); } }, @@ -230,18 +232,18 @@ import { Point } from '../point.class'; /** * eraser should retain size * dimensions should not change when paths are added or removed - * handled by {@link fabric.Object#_drawClipPath} + * handled by {@link fabric.Object#drawClipPath} * @override * @private */ layout: 'fixed', - drawObject: function (ctx) { + drawObject: function (ctx, renderingContext: RenderingContext) { ctx.save(); ctx.fillStyle = 'black'; ctx.fillRect(-this.width / 2, -this.height / 2, this.width, this.height); ctx.restore(); - this.callSuper('drawObject', ctx); + this.callSuper('drawObject', ctx, renderingContext); }, /* _TO_SVG_START_ */ @@ -327,8 +329,8 @@ import { Point } from '../point.class'; * so we need to render it on top of canvas every render * @param {CanvasRenderingContext2D} ctx */ - _renderOverlay: function (ctx) { - __renderOverlay.call(this, ctx); + _renderOverlay: function (ctx, renderingContext: RenderingContext) { + __renderOverlay.call(this, ctx, renderingContext); this.isErasing() && this.freeDrawingBrush._render(); }, }); @@ -452,6 +454,9 @@ import { Point } from '../point.class'; this._patternCanvas = fabric.util.createCanvasElement(); } var canvas = this._patternCanvas; + const renderingContext = new RenderingContext({ + action: 'canvas-export', + }); objects = objects || this.canvas._objectsToRender || this.canvas._objects; canvas.width = this.canvas.width; @@ -472,7 +477,7 @@ import { Point } from '../point.class'; if (bgErasable) { this.canvas.backgroundImage = undefined; } - this.canvas._renderBackground(patternCtx); + this.canvas._renderBackground(patternCtx, renderingContext); if (bgErasable) { this.canvas.backgroundImage = backgroundImage; } @@ -482,7 +487,7 @@ import { Point } from '../point.class'; backgroundImage.eraser = undefined; backgroundImage.dirty = true; } - this.canvas._renderBackground(patternCtx); + this.canvas._renderBackground(patternCtx, renderingContext); if (eraser) { backgroundImage.eraser = eraser; backgroundImage.dirty = true; @@ -497,7 +502,7 @@ import { Point } from '../point.class'; patternCtx, restorationContext ); - this.canvas._renderObjects(patternCtx, objects); + this.canvas._renderObjects(patternCtx, objects, renderingContext); restorationContext.visibility.forEach(function (obj) { obj.visible = true; }); @@ -518,7 +523,7 @@ import { Point } from '../point.class'; if (overlayErasable) { this.canvas.overlayImage = undefined; } - __renderOverlay.call(this.canvas, patternCtx); + __renderOverlay.call(this.canvas, patternCtx, renderingContext); if (overlayErasable) { this.canvas.overlayImage = overlayImage; } @@ -528,7 +533,7 @@ import { Point } from '../point.class'; overlayImage.eraser = undefined; overlayImage.dirty = true; } - __renderOverlay.call(this.canvas, patternCtx); + __renderOverlay.call(this.canvas, patternCtx, renderingContext); if (eraser) { overlayImage.eraser = eraser; overlayImage.dirty = true; diff --git a/src/mixins/object.svg_export.ts b/src/mixins/object.svg_export.ts index 96c9c26d82b..d5b76799130 100644 --- a/src/mixins/object.svg_export.ts +++ b/src/mixins/object.svg_export.ts @@ -2,6 +2,8 @@ import { Color } from '../color'; import { config } from '../config'; +import { TMat2D } from '../typedefs'; +import { matrixToSVG } from '../util/misc/svgParsing'; /* _TO_SVG_START_ */ (function (global) { @@ -180,12 +182,10 @@ import { config } from '../config'; * @param {Boolean} use the full transform or the single object one. * @return {String} */ - getSvgTransform: function (full, additionalTransform) { - var transform = full - ? this.calcTransformMatrix() - : this.calcOwnMatrix(), - svgTransform = 'transform="' + fabric.util.matrixToSVG(transform); - return svgTransform + (additionalTransform || '') + '" '; + getSvgTransform: function (additionalTransform) { + return `transform="${fabric.util.matrixToSVG(this.calcOwnMatrix())}${ + additionalTransform || '' + }" `; }, _setSVGBg: function (textBgRects) { @@ -232,6 +232,28 @@ import { config } from '../config'; ); }, + /** + * Returns the clip path markup wrapped by a `clipPath` tag + * + * Used by `Group` to override + */ + toClipPathSVGMarkup: function ( + reviver, + { transform }: { transform: TMat2D } = {} + ) { + const id = `CLIPPATH_${fabric.Object.__uid++}`; + this.clipPathId = id; + return [ + ``, + '\n', + this.toClipPathSVG(reviver), + '', + '\n', + ].join(''); + }, + /** * @private */ @@ -240,7 +262,7 @@ import { config } from '../config'; var reviver = options.reviver, additionalTransform = options.additionalTransform || '', commonPieces = [ - this.getSvgTransform(true, additionalTransform), + this.getSvgTransform(additionalTransform), this.getSvgCommons(), ].join(''), // insert commons in the markup, style and svgCommons @@ -270,25 +292,17 @@ import { config } from '../config'; shadow = this.shadow, commonPieces, markup = [], - clipPathMarkup, + clipPathMarkup = this.clipPath?.toClipPathSVGMarkup(reviver) ?? '', // insert commons in the markup, style and svgCommons index = objectMarkup.indexOf('COMMON_PARTS'), additionalTransform = options.additionalTransform; - if (clipPath) { - clipPath.clipPathId = 'CLIPPATH_' + fabric.Object.__uid++; - clipPathMarkup = - '\n' + - clipPath.toClipPathSVG(reviver) + - '\n'; - } + if (absoluteClipPath) { markup.push('\n'); } markup.push( '\n' ); diff --git a/src/mixins/object_geometry.mixin.ts b/src/mixins/object_geometry.mixin.ts index fe3f79603b3..041165fbb21 100644 --- a/src/mixins/object_geometry.mixin.ts +++ b/src/mixins/object_geometry.mixin.ts @@ -744,7 +744,7 @@ import { Point } from '../point.class'; */ calcTransformMatrix: function (skipGroup) { var matrix = this.calcOwnMatrix(); - if (skipGroup || !this.group) { + if (skipGroup || !this.group || this.absolutePositioned) { return matrix; } var key = this.transformMatrixKey(skipGroup), @@ -753,6 +753,15 @@ import { Point } from '../point.class'; return cache.value; } if (this.group) { + if (this.group === this.clipping) { + console.warn( + 'fabric: v6 BREAKING change\n', + "Calling `calcTransformMatrix` on a clipPath or it's descendants now returns the full transform matrix relative to the canvas/viewer as opposed to the transform matrix relative to the clipped object.\n", + "If that wasn't your intention and you need the legacy behavior use `calcPlaneChangeMatrix(object.calcTransformMatrix(), clippedObject.calcTransformMatrix())`\n", + 'see https://github.com/fabricjs/fabric.js/pull/8298#issuecomment-1250891515 \n', + new Error('v6 BREAKING change').stack + ); + } matrix = multiplyMatrices( this.group.calcTransformMatrix(false), matrix diff --git a/src/mixins/object_interactivity.mixin.ts b/src/mixins/object_interactivity.mixin.ts index 5efeba5cf61..013a3d4f2b2 100644 --- a/src/mixins/object_interactivity.mixin.ts +++ b/src/mixins/object_interactivity.mixin.ts @@ -341,7 +341,7 @@ import { Point } from '../point.class'; } ctx.save(); ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); - this.transform(ctx); + this.transform(ctx, true); // we add 4 pixel, to be sure to do not leave any pixel out var width = this.width + 4, height = this.height + 4; diff --git a/src/shapes/active_selection.class.ts b/src/shapes/active_selection.class.ts index b2984e64836..e8e931eaf4d 100644 --- a/src/shapes/active_selection.class.ts +++ b/src/shapes/active_selection.class.ts @@ -130,26 +130,10 @@ return '#'; }, - /** - * 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. - * Generally you do not cache objects in groups because the group outside is cached. - * @return {Boolean} - */ shouldCache: function () { return false; }, - /** - * Check if this group or its parent group are caching, recursively up - * @return {Boolean} - */ - isOnACache: function () { - return false; - }, - /** * Renders controls and borders for the object * @param {CanvasRenderingContext2D} ctx Context to render on diff --git a/src/shapes/group.class.ts b/src/shapes/group.class.ts index d5689af3dc1..2dc7afddd5c 100644 --- a/src/shapes/group.class.ts +++ b/src/shapes/group.class.ts @@ -1,5 +1,6 @@ //@ts-nocheck import { Point } from '../point.class'; +import { RenderingContext } from '../RenderingContext'; (function (global) { var fabric = global.fabric || (global.fabric = {}), @@ -68,6 +69,8 @@ import { Point } from '../point.class'; */ interactive: false, + objectCaching: false, + /** * Used internally to optimize performance * Once an object is selected, instance is rendered without the selected object. @@ -409,85 +412,43 @@ import { Point } from '../point.class'; object.fire('removed', { target: this }); }, - /** - * Decide if the object should cache or not. Create its own cache level - * needsItsOwnCache should be used when the object drawing method requires - * a cache step. None of the fabric classes requires it. - * Generally you do not cache objects in groups because the group is already cached. - * @return {Boolean} - */ shouldCache: function () { - var ownCache = fabric.Object.prototype.shouldCache.call(this); - if (ownCache) { - for (var i = 0; i < this._objects.length; i++) { - if (this._objects[i].willDrawShadow()) { - this.ownCaching = false; - return false; - } - } - } - return ownCache; - }, - - /** - * Check if this object or a child object will cast a shadow - * @return {Boolean} - */ - willDrawShadow: function () { - if (fabric.Object.prototype.willDrawShadow.call(this)) { - return true; - } - for (var i = 0; i < this._objects.length; i++) { - if (this._objects[i].willDrawShadow()) { - return true; - } - } + // return this.callSuper('shouldCache') && !this.interactive; return false; }, - /** - * Check if instance or its group are caching, recursively up - * @return {Boolean} - */ - isOnACache: function () { - return this.ownCaching || (!!this.group && this.group.isOnACache()); + shouldRenderInIsolation: function () { + return true; }, /** * Execute the drawing operation for an object on a specified context * @param {CanvasRenderingContext2D} ctx Context to render on */ - drawObject: function (ctx) { + drawObject: function ( + ctx: CanvasRenderingContext2D, + renderingContext: RenderingContext + ) { this._renderBackground(ctx); - for (var i = 0; i < this._objects.length; i++) { - this._objects[i].render(ctx); + for (let i = 0; i < this._objects.length; i++) { + this._objects[i].render(ctx, renderingContext.fork()); } - this._drawClipPath(ctx, this.clipPath); + this.drawClipPath(ctx, this.clipPath, renderingContext); }, - /** - * Check if cache is dirty - */ - isCacheDirty: function (skipCanvas) { - if (this.callSuper('isCacheDirty', skipCanvas)) { - return true; - } - if (!this.statefullCache) { - return false; - } - for (var i = 0; i < this._objects.length; 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); - } - return true; - } - } - return false; - }, + // _setClippingProperties: function (ctx) { + // this.callSuper('_setClippingProperties', ctx); + // this.fill = ''; + // }, + + // _render: function ( + // ctx: CanvasRenderingContext2D, + // renderingContext: RenderingContext + // ) { + // this.forEachObject((object) => { + // object.render(ctx, renderingContext.fork()); + // }); + // }, /** * @override @@ -505,10 +466,13 @@ import { Point } from '../point.class'; * Renders instance on a given context * @param {CanvasRenderingContext2D} ctx context to render instance on */ - render: function (ctx) { + render: function ( + ctx: CanvasRenderingContext2D, + renderingContext: RenderingContext = new RenderingContext() + ) { // used to inform objects not to double opacity this._transformDone = true; - this.callSuper('render', ctx); + this.callSuper('render', ctx, renderingContext); this._transformDone = false; }, @@ -998,22 +962,6 @@ import { Point } from '../point.class'; return fillStroke.join(''); }, - /** - * Returns svg representation of an instance - * @param {Function} [reviver] Method for further parsing of svg representation. - * @return {String} svg representation of an instance - */ - _toSVG: function (reviver) { - var svgString = ['\n']; - var bg = this._createSVGBgRect(reviver); - bg && svgString.push('\t\t', bg); - for (var i = 0; i < this._objects.length; i++) { - svgString.push('\t\t', this._objects[i].toSVG(reviver)); - } - svgString.push('\n'); - return svgString; - }, - /** * Returns styles-string for svg-export, specific version for group * @return {String} @@ -1027,20 +975,55 @@ import { Point } from '../point.class'; return [opacity, this.getSvgFilter(), visibility].join(''); }, + /** + * @private + */ + _contentToSVG: function (reviver, forClipping) { + const svgOutput = []; + const bg = this._createSVGBgRect(reviver); + const ws = forClipping ? '\t' : '\t\t'; + const method = forClipping ? 'toClipPathSVG' : 'toSVG'; + bg && svgOutput.push(ws, bg); + for (let i = 0; i < this._objects.length; i++) { + svgOutput.push(ws, this._objects[i][method](reviver)); + } + return svgOutput; + }, + + /** + * Returns svg representation of an instance + * @param {Function} [reviver] Method for further parsing of svg representation. + * @return {String} svg representation of an instance + */ + _toSVG: function (reviver) { + return [ + '\n', + ...this._contentToSVG(reviver), + '\n', + ]; + }, + /** * Returns svg clipPath representation of an instance * @param {Function} [reviver] Method for further parsing of svg representation. * @return {String} svg representation of an instance */ toClipPathSVG: function (reviver) { - var svgString = []; - var bg = this._createSVGBgRect(reviver); - bg && svgString.push('\t', bg); - for (var i = 0; i < this._objects.length; i++) { - svgString.push('\t', this._objects[i].toClipPathSVG(reviver)); - } - return this._createBaseClipPathSVGMarkup(svgString, { - reviver: reviver, + return this._createBaseClipPathSVGMarkup( + this._contentToSVG(reviver, true), + { reviver } + ); + }, + + /** + * @override SVG clipPath doesn't accept a `g` element so we apply the group's transform matrix to the clip path + * @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/clipPath#usage_notes + */ + toClipPathSVGMarkup: function (reviver) { + return this.callSuper('toClipPathSVGMarkup', reviver, { + transform: this.calcOwnMatrix(), }); }, /* _TO_SVG_END_ */ diff --git a/src/shapes/image.class.ts b/src/shapes/image.class.ts index 41557155085..04daea6cccf 100644 --- a/src/shapes/image.class.ts +++ b/src/shapes/image.class.ts @@ -568,24 +568,9 @@ * it will set the imageSmoothing for the draw operation * @param {CanvasRenderingContext2D} ctx Context to render on */ - drawCacheOnCanvas: function (ctx) { + drawCacheOnCanvas: function (ctx, source?: HTMLCanvasElement) { ctx.imageSmoothingEnabled = this.imageSmoothing; - fabric.Object.prototype.drawCacheOnCanvas.call(this, ctx); - }, - - /** - * Decide if the object should cache or not. Create its own cache level - * needsItsOwnCache should be used when the object drawing method requires - * a cache step. None of the fabric classes requires it. - * Generally you do not cache objects in groups because the group outside is cached. - * This is the special image version where we would like to avoid caching where possible. - * Essentially images do not benefit from caching. They may require caching, and in that - * case we do it. Also caching an image usually ends in a loss of details. - * A full performance audit should be done. - * @return {Boolean} - */ - shouldCache: function () { - return this.needsItsOwnCache(); + this.callSuper('drawCacheOnCanvas', ctx, source); }, _renderFill: function (ctx) { diff --git a/src/shapes/itext.class.ts b/src/shapes/itext.class.ts index b6907b69418..faf1a4258bb 100644 --- a/src/shapes/itext.class.ts +++ b/src/shapes/itext.class.ts @@ -258,9 +258,9 @@ * @private * @param {CanvasRenderingContext2D} ctx Context to render on */ - render: function (ctx) { + render: function (ctx, renderingContext) { this.clearContextTop(); - this.callSuper('render', ctx); + this.callSuper('render', ctx, renderingContext); // clear the cursorOffsetCache, so we ensure to calculate once per renderCursor // the correct position but not at every cursor animation. this.cursorOffsetCache = {}; diff --git a/src/shapes/object.class.ts b/src/shapes/object.class.ts index 00dcb1b58f3..0f8fb633ab6 100644 --- a/src/shapes/object.class.ts +++ b/src/shapes/object.class.ts @@ -3,10 +3,15 @@ import { cache } from '../cache'; import { config } from '../config'; import { VERSION } from '../constants'; import { Point } from '../point.class'; -import { capValue } from '../util/misc/capValue'; -import { pick } from '../util/misc/pick'; +import { RenderingContext } from '../RenderingContext'; import { runningAnimations } from '../util/animation_registry'; +import { canvasProvider } from '../util/CanvasProvider'; +import { cleanUpJsdomNode } from '../util/dom_misc'; +import { capValue } from '../util/misc/capValue'; +import { getMatrixRotation, invertTransform } from '../util/misc/matrix'; import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; +import { pick } from '../util/misc/pick'; +import { TObject } from '../__types__'; (function (global) { var fabric = global.fabric || (global.fabric = {}), @@ -664,7 +669,6 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; this._cacheProperties = {}; this._cacheCanvas = fabric.util.createCanvasElement(); this._cacheContext = this._cacheCanvas.getContext('2d'); - this._updateCacheCanvas(); // if canvas gets created, is empty, so dirty. this.dirty = true; }, @@ -755,7 +759,7 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; * @private * @return {Boolean} true if the canvas has been resized */ - _updateCacheCanvas: function () { + _updateCacheCanvas: function (renderingContext: RenderingContext) { var targetCanvas = this.canvas; if ( this.noScaleCache && @@ -773,6 +777,7 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; } } var canvas = this._cacheCanvas, + ctx = this._cacheContext, dims = this._limitCacheSize(this._getCacheCanvasDimensions()), minCacheSize = config.minCacheSideLimit, width = dims.width, @@ -789,8 +794,8 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; additionalHeight = 0, shouldResizeCanvas = false; if (dimensionsChanged) { - var canvasWidth = this._cacheCanvas.width, - canvasHeight = this._cacheCanvas.height, + var canvasWidth = canvas.width, + canvasHeight = canvas.height, sizeGrowing = width > canvasWidth || height > canvasHeight, sizeShrinking = (width < canvasWidth * 0.9 || height < canvasHeight * 0.9) && @@ -809,16 +814,16 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; if (this instanceof fabric.Text && this.path) { shouldRedraw = true; shouldResizeCanvas = true; - additionalWidth += this.getHeightOfLine(0) * this.zoomX; - additionalHeight += this.getHeightOfLine(0) * this.zoomY; + additionalWidth += this.getHeightOfLine(0) * zoomX; + additionalHeight += this.getHeightOfLine(0) * zoomY; } if (shouldRedraw) { if (shouldResizeCanvas) { canvas.width = Math.ceil(width + additionalWidth); canvas.height = Math.ceil(height + additionalHeight); } else { - this._cacheContext.setTransform(1, 0, 0, 1, 0, 0); - this._cacheContext.clearRect(0, 0, canvas.width, canvas.height); + ctx.setTransform(1, 0, 0, 1, 0, 0); + ctx.clearRect(0, 0, canvas.width, canvas.height); } drawingWidth = dims.x / 2; drawingHeight = dims.y / 2; @@ -828,11 +833,17 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; Math.round(canvas.height / 2 - drawingHeight) + drawingHeight; this.cacheWidth = width; this.cacheHeight = height; - this._cacheContext.translate( + // we need to rotate the cache so that shadow is projected in the right direction + this.cacheRotation = getMatrixRotation( + renderingContext.calcTransformMatrix(this) + ); + ctx.rotate(this.cacheRotation); + const t = new Point( this.cacheTranslationX, this.cacheTranslationY - ); - this._cacheContext.scale(zoomX, zoomY); + ).rotate(-this.cacheRotation); + ctx.translate(t.x, t.y); + ctx.scale(zoomX, zoomY); this.zoomX = zoomX; this.zoomY = zoomY; return true; @@ -852,11 +863,11 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; * Transforms context when rendering an object * @param {CanvasRenderingContext2D} ctx Context */ - transform: function (ctx) { - var needFullTransform = - (this.group && !this.group._transformDone) || - (this.group && this.canvas && ctx === this.canvas.contextTop); - var m = this.calcTransformMatrix(!needFullTransform); + transform: function ( + ctx: CanvasRenderingContext2D, + needFullTransform?: boolean + ) { + const m = this.calcTransformMatrix(!needFullTransform); ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]); }, @@ -1036,8 +1047,7 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; */ _set: function (key, value) { var shouldConstrainValue = key === 'scaleX' || key === 'scaleY', - isChanged = this[key] !== value, - groupNeedsUpdate = false; + isChanged = this[key] !== value; if (shouldConstrainValue) { value = this._constrainScale(value); @@ -1054,23 +1064,34 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; !(value instanceof fabric.Shadow) ) { value = new fabric.Shadow(value); - } else if (key === 'dirty' && this.group) { - this.group.set('dirty', value); + } else if (key === 'clipPath') { + // svg parser sets `clipPath` to the link url as part of the parsing process + // hopefully that will die out and then we can just check for positivity + if (value instanceof fabric.Object) { + value._set('group', this); + // mark the object as a clip path + value._set('clipping', this); + value._set('canvas', this.canvas); + } else if (this.clipPath) { + this.clipPath._set('group', undefined); + this.clipPath._set('clipping', undefined); + this.clipPath._set('canvas', undefined); + } + } else if (key === 'canvas') { + // ref/unref canvas + this.clipPath?._set('canvas', value); } this[key] = value; - if (isChanged) { - groupNeedsUpdate = this.group && this.group.isOnACache(); - if (this.cacheProperties.indexOf(key) > -1) { - this.dirty = true; - groupNeedsUpdate && this.group.set('dirty', true); - } else if ( - groupNeedsUpdate && - this.stateProperties.indexOf(key) > -1 - ) { - this.group.set('dirty', true); - } + if (isChanged && this.cacheProperties.indexOf(key) > -1) { + this.dirty = true; + } + if ( + this.dirty || + (isChanged && this.stateProperties.indexOf(key) > -1) + ) { + this.group?.set('dirty', true); } return this; }, @@ -1102,66 +1123,6 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; ); }, - /** - * 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()) { - return; - } - if ( - this.canvas && - this.canvas.skipOffscreen && - !this.group && - !this.isOnScreen() - ) { - return; - } - ctx.save(); - this._setupCompositeOperation(ctx); - this.drawSelectionBackground(ctx); - this.transform(ctx); - this._setOpacity(ctx); - this._setShadow(ctx, this); - if (this.shouldCache()) { - this.renderCache(); - this.drawCacheOnCanvas(ctx); - } else { - this._removeCacheCanvas(); - this.dirty = false; - this.drawObject(ctx); - if (this.objectCaching && this.statefullCache) { - this.saveState({ propertySet: 'cacheProperties' }); - } - } - ctx.restore(); - }, - - renderCache: function (options) { - options = options || {}; - if (!this._cacheCanvas || !this._cacheContext) { - this._createCacheCanvas(); - } - if (this.isCacheDirty()) { - this.statefullCache && - this.saveState({ propertySet: 'cacheProperties' }); - this.drawObject(this._cacheContext, options.forClipping); - this.dirty = false; - } - }, - - /** - * Remove cacheCanvas and its dimensions from the objects - */ - _removeCacheCanvas: function () { - this._cacheCanvas = null; - this._cacheContext = null; - this.cacheWidth = 0; - this.cacheHeight = 0; - }, - /** * return true if the object will draw a stroke * Does not consider text styles. This is just a shortcut used at rendering time @@ -1193,14 +1154,22 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; }, /** - * 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 + * Check if this object or a child object will cast a shadow + * @return {Boolean} + * @deprecated + */ + willDrawShadow: function () { + return ( + !!this.shadow && + (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0) + ); + }, + + /** + * require an isolated canvas to render correctly. * @returns Boolean */ - needsItsOwnCache: function () { + shouldRenderInIsolation: function () { if ( this.paintFirst === 'stroke' && this.hasFill() && @@ -1216,60 +1185,115 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; }, /** - * 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. - * Generally you do not cache objects in groups because the group outside is cached. - * Read as: cache if is needed, or if the feature is enabled but we are not already caching. + * Override this method to customize caching behavior * @return {Boolean} */ shouldCache: function () { - this.ownCaching = - this.needsItsOwnCache() || - (this.objectCaching && (!this.group || !this.group.isOnACache())); - return this.ownCaching; + return this.objectCaching; }, /** - * Check if this object or a child object will cast a shadow - * used by Group.shouldCache to know if child has a shadow recursively - * @return {Boolean} - * @deprecated + * @private */ - willDrawShadow: function () { - return ( - !!this.shadow && - (this.shadow.offsetX !== 0 || this.shadow.offsetY !== 0) - ); + prepareCache: function (renderingContext: RenderingContext) { + let flag = false; + if (this.shouldCache() || renderingContext.isOnCache(this)) { + if (!this._cacheCanvas || !this._cacheContext) { + this._createCacheCanvas(); + } + if (this._updateCacheCanvas(renderingContext)) { + // context was cleared by `_updateCacheCanvas` + flag = true; + } else if ( + this.dirty || + (this.clipPath && this.clipPath.absolutePositioned) || + (this.statefullCache && this.hasStateChanged('cacheProperties')) + ) { + const width = this.cacheWidth / this.zoomX; + const height = this.cacheHeight / this.zoomY; + this._cacheContext.clearRect( + -width / 2, + -height / 2, + width, + height + ); + flag = true; + } + if (flag) { + renderingContext.update(this, { caching: true }); + this.drawObject(this._cacheContext, renderingContext); + } + } else { + // remove cache canvas + cleanUpJsdomNode(this._cacheCanvas); + this._cacheCanvas = null; + this._cacheContext = null; + this.cacheWidth = 0; + this.cacheHeight = 0; + flag = true; + } + if (flag && this.objectCaching && this.statefullCache) { + this.saveState({ propertySet: 'cacheProperties' }); + } }, /** - * Execute the drawing operation for an object clipPath + * The main entry point of the object's rendering cycle: + * - `render` + * - `prepareCache` + * - `drawCacheOnCanvas` **OR** `drawObject` + * - `drawClipPath`: calls `render` on `clipPath` + * + * Renders an object on a specified context + * * @param {CanvasRenderingContext2D} ctx Context to render on - * @param {fabric.Object} clipPath */ - drawClipPathOnCache: function (ctx, clipPath) { + render: function ( + ctx: CanvasRenderingContext2D, + renderingContext: RenderingContext = new RenderingContext() + ) { + renderingContext.validateAtBottomOfTree(this); + if ( + // do not render if width/height are zeros or object is not visible + this.isNotVisible() || + (this.canvas && + this.canvas.skipOffscreen && + renderingContext.shouldPerformOffscreenValidation(this) && + !this.isOnScreen()) + ) { + return; + } + const isNested = renderingContext.isNested(this); ctx.save(); - // DEBUG: uncomment this line, comment the following - // ctx.globalAlpha = 0.4 - if (clipPath.inverted) { - ctx.globalCompositeOperation = 'destination-out'; + this._setupCompositeOperation(ctx, renderingContext.isClipping(this)); + this.drawSelectionBackground(ctx); + this._setOpacity(ctx, isNested); + this._setShadow(ctx); + this.prepareCache(renderingContext); + this.transform(ctx, !isNested); + + if (this._cacheCanvas) { + this.drawCacheOnCanvas(ctx); + } else if (this.canvas && this.shouldRenderInIsolation()) { + // perform an isolated rendering in the canvas plane + // frees the need for an object to have its own cache + const { ctx: firstStep, release } = canvasProvider.request({ + width: this.canvas.width, + height: this.canvas.height, + }); + firstStep.save(); + firstStep.setTransform(ctx.getTransform()); + this.drawObject(firstStep, renderingContext); + firstStep.restore(); + // render first step on main ctx + ctx.resetTransform(); + ctx.drawImage(firstStep.canvas, 0, 0); + release(); } else { - ctx.globalCompositeOperation = 'destination-in'; + this.drawObject(ctx, renderingContext); } - //ctx.scale(1 / 2, 1 / 2); - if (clipPath.absolutePositioned) { - var m = fabric.util.invertTransform(this.calcTransformMatrix()); - ctx.transform(m[0], m[1], m[2], m[3], m[4], m[5]); - } - clipPath.transform(ctx); - ctx.scale(1 / clipPath.zoomX, 1 / clipPath.zoomY); - ctx.drawImage( - clipPath._cacheCanvas, - -clipPath.cacheTranslationX, - -clipPath.cacheTranslationY - ); + + this.dirty = false; ctx.restore(); }, @@ -1277,18 +1301,21 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; * Execute the drawing operation for an object on a specified context * @param {CanvasRenderingContext2D} ctx Context to render on */ - drawObject: function (ctx, forClipping) { - var originalFill = this.fill, + drawObject: function ( + ctx: CanvasRenderingContext2D, + renderingContext: RenderingContext + ) { + const originalFill = this.fill, originalStroke = this.stroke; - if (forClipping) { + if (renderingContext.isClipping(this)) { this.fill = 'black'; this.stroke = ''; this._setClippingProperties(ctx); } else { this._renderBackground(ctx); } - this._render(ctx); - this._drawClipPath(ctx, this.clipPath); + this._render(ctx, renderingContext); + this.drawClipPath(ctx, this.clipPath, renderingContext); this.fill = originalFill; this.stroke = originalStroke; }, @@ -1298,70 +1325,46 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; * @param {CanvasRenderingContext2D} ctx * @param {fabric.Object} clipPath */ - _drawClipPath: function (ctx, clipPath) { + drawClipPath: function ( + ctx: CanvasRenderingContext2D, + clipPath: TObject, + renderingContext: RenderingContext + ) { if (!clipPath) { return; } // needed to setup a couple of variables // path canvas gets overridden with this one. // TODO find a better solution? + // we can use `set` but we need to provide a solution for the eraser that uses this logic as well + clipPath._set('group', this); + // mark the object as a clip path + clipPath._set('clipping', this); clipPath._set('canvas', this.canvas); - clipPath.shouldCache(); - clipPath._transformDone = true; - clipPath.renderCache({ forClipping: true }); - this.drawClipPathOnCache(ctx, clipPath); + if (clipPath.absolutePositioned) { + ctx.transform(...invertTransform(this.calcTransformMatrix())); + } + clipPath.render( + ctx, + renderingContext.fork({ + target: clipPath, + clipping: this, + }) + ); + ctx.restore(); }, /** * Paint the cached copy of the object on the target context. * @param {CanvasRenderingContext2D} ctx Context to render on */ - drawCacheOnCanvas: function (ctx) { + drawCacheOnCanvas: function ( + ctx: CanvasRenderingContext2D, + source: HTMLCanvasElement = this._cacheCanvas + ) { ctx.scale(1 / this.zoomX, 1 / this.zoomY); - ctx.drawImage( - this._cacheCanvas, - -this.cacheTranslationX, - -this.cacheTranslationY - ); - }, - - /** - * Check if cache is dirty - * @param {Boolean} skipCanvas skip canvas checks because this object is painted - * on parent canvas. - */ - isCacheDirty: function (skipCanvas) { - if (this.isNotVisible()) { - return false; - } - if ( - this._cacheCanvas && - this._cacheContext && - !skipCanvas && - this._updateCacheCanvas() - ) { - // in this case the context is already cleared. - return true; - } else { - if ( - this.dirty || - (this.clipPath && this.clipPath.absolutePositioned) || - (this.statefullCache && this.hasStateChanged('cacheProperties')) - ) { - if (this._cacheCanvas && this._cacheContext && !skipCanvas) { - var width = this.cacheWidth / this.zoomX; - var height = this.cacheHeight / this.zoomY; - this._cacheContext.clearRect( - -width / 2, - -height / 2, - width, - height - ); - } - return true; - } - } - return false; + ctx.rotate(-this.cacheRotation); + ctx.drawImage(source, -this.cacheTranslationX, -this.cacheTranslationY); }, /** @@ -1382,12 +1385,27 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; this._removeShadow(ctx); }, + /** + * Sets canvas globalCompositeOperation for specific object + * custom composition operation for the particular object can be specified using globalCompositeOperation property + * @param {CanvasRenderingContext2D} ctx Rendering canvas context + */ + _setupCompositeOperation: function (ctx, forClipping) { + const value = forClipping + ? this.inverted + ? 'destination-out' + : 'destination-in' + : this.globalCompositeOperation; + if (value) { + ctx.globalCompositeOperation = value; + } + }, + /** * @private - * @param {CanvasRenderingContext2D} ctx Context to render on */ - _setOpacity: function (ctx) { - if (this.group && !this.group._transformDone) { + _setOpacity: function (ctx: CanvasRenderingContext2D, full?: boolean) { + if (full) { ctx.globalAlpha = this.getObjectOpacity(); } else { ctx.globalAlpha *= this.opacity; @@ -1507,26 +1525,27 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; return; } - var shadow = this.shadow, - canvas = this.canvas, - multX = (canvas && canvas.viewportTransform[0]) || 1, - multY = (canvas && canvas.viewportTransform[3]) || 1, + const shadow = this.shadow, scaling = shadow.nonScaling ? new Point(1, 1) - : this.getObjectScaling(); - if (canvas && canvas._isRetinaScaling()) { - multX *= config.devicePixelRatio; - multY *= config.devicePixelRatio; - } + : this.getObjectScaling(), + mult = new Point( + this.canvas?.viewportTransform[0] || 1, + this.canvas?.viewportTransform[3] || 1 + ).scalarMultiply(this.canvas?.getRetinaScaling() || 1); + ctx.shadowColor = shadow.color; ctx.shadowBlur = (shadow.blur * config.browserShadowBlurConstant * - (multX + multY) * + (mult.x + mult.y) * (scaling.x + scaling.y)) / 4; - ctx.shadowOffsetX = shadow.offsetX * multX * scaling.x; - ctx.shadowOffsetY = shadow.offsetY * multY * scaling.y; + const offset = new Point(shadow.offsetX, shadow.offsetY) + .multiply(scaling) + .multiply(mult); + ctx.shadowOffsetX = offset.x; + ctx.shadowOffsetY = offset.y; }, /** @@ -1831,7 +1850,6 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; var canvas = new fabric.StaticCanvas(el, { enableRetinaScaling: false, renderOnAddRemove: false, - skipOffscreen: false, }); if (options.format === 'jpeg') { canvas.backgroundColor = '#fff'; @@ -1842,10 +1860,13 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; 'center' ); var originalCanvas = this.canvas; - canvas._objects = [this]; this.set('canvas', canvas); this.setCoords(); - var canvasEl = canvas.toCanvasElement(multiplier || 1, options); + var canvasEl = canvas.toCanvasElement(multiplier || 1, { + ...options, + objects: [this], + objectExport: true, + }); this.set('canvas', originalCanvas); this.shadow = originalShadow; if (originalGroup) { @@ -1853,10 +1874,6 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; } this.set(origParams); this.setCoords(); - // canvas.dispose will call image.dispose that will nullify the elements - // since this canvas is a simple element for the process, we remove references - // to objects in this way in order to avoid object trashing. - canvas._objects = []; // since render has settled it is safe to destroy canvas canvas.destroy(); canvas = null; @@ -2016,17 +2033,6 @@ import { enlivenObjectEnlivables } from '../util/misc/objectEnlive'; // implemented by sub-classes, as needed. }, - /** - * Sets canvas globalCompositeOperation for specific object - * custom composition operation for the particular object can be specified using globalCompositeOperation property - * @param {CanvasRenderingContext2D} ctx Rendering canvas context - */ - _setupCompositeOperation: function (ctx) { - if (this.globalCompositeOperation) { - ctx.globalCompositeOperation = this.globalCompositeOperation; - } - }, - /** * cancel instance's running animations * override if necessary to dispose artifacts such as `clipPath` diff --git a/src/shapes/text.class.ts b/src/shapes/text.class.ts index e945dd180e1..f028ba17c39 100644 --- a/src/shapes/text.class.ts +++ b/src/shapes/text.class.ts @@ -2,6 +2,10 @@ import { cache } from '../cache'; import { DEFAULT_SVG_FONT_SIZE } from '../constants'; +import { RenderingContext } from '../RenderingContext'; +import { canvasProvider } from '../util/CanvasProvider'; + +const measuringContext = canvasProvider.request(); (function (global) { var fabric = global.fabric || (global.fabric = {}); @@ -287,16 +291,6 @@ import { DEFAULT_SVG_FONT_SIZE } from '../constants'; */ styles: null, - /** - * Reference to a context to measure text char or couple of chars - * the cacheContext of the canvas will be used or a freshly created one if the object is not on canvas - * once created it will be referenced on fabric._measuringContext to avoid creating a canvas for every - * text object created. - * @type {CanvasRenderingContext2D} - * @default - */ - _measuringContext: null, - /** * Baseline shift, styles only, keep at 0 for the main text object * @type {Number} @@ -391,22 +385,14 @@ import { DEFAULT_SVG_FONT_SIZE } from '../constants'; }, /** - * Return a context for measurement of text string. - * if created it gets stored for reuse - * this is for internal use, please do not use it + * **for internal use**, do not use it * @private * @param {String} text Text string * @param {Object} [options] Options object * @return {fabric.Text} thisArg */ getMeasuringContext: function () { - // if we did not return we have to measure something. - if (!fabric._measuringContext) { - fabric._measuringContext = - (this.canvas && this.canvas.contextCache) || - fabric.util.createCanvasElement().getContext('2d'); - } - return fabric._measuringContext; + return measuringContext.ctx; }, /** @@ -1669,23 +1655,25 @@ import { DEFAULT_SVG_FONT_SIZE } from '../constants'; * Renders text instance on a specified context * @param {CanvasRenderingContext2D} ctx Context to render on */ - render: function (ctx) { + render: function ( + ctx: CanvasRenderingContext2D, + renderingContext: RenderingContext = new RenderingContext() + ) { + renderingContext.validateAtBottomOfTree(this); // do not render if object is not visible - if (!this.visible) { - return; - } if ( - this.canvas && - this.canvas.skipOffscreen && - !this.group && - !this.isOnScreen() + !this.visible || + (this.canvas && + this.canvas.skipOffscreen && + renderingContext.shouldPerformOffscreenValidation(this) && + !this.isOnScreen()) ) { return; } if (this._shouldClearDimensionCache()) { this.initDimensions(); } - this.callSuper('render', ctx); + this.callSuper('render', ctx, renderingContext); }, /** diff --git a/src/static_canvas.class.ts b/src/static_canvas.class.ts index f9754f7c05f..4564e6aaf19 100644 --- a/src/static_canvas.class.ts +++ b/src/static_canvas.class.ts @@ -2,6 +2,7 @@ import { config } from './config'; import { VERSION } from './constants'; import { Point } from './point.class'; +import { RenderingContext } from './RenderingContext'; import { requestAnimFrame } from './util/animate'; import { removeFromArray } from './util/internals'; import { pick } from './util/misc/pick'; @@ -711,12 +712,18 @@ import { pick } from './util/misc/pick'; * @return {fabric.Canvas} instance * @chainable */ - renderAll: function () { + renderAll: function (isRequested = false) { this.cancelRequestedRender(); if (this.destroyed) { return; } - this.renderCanvas(this.contextContainer, this._objects); + this.renderCanvas( + this.contextContainer, + this._objects, + new RenderingContext({ + action: isRequested ? 'requested' : undefined, + }) + ); return this; }, @@ -732,7 +739,7 @@ import { pick } from './util/misc/pick'; */ renderAndReset: function () { this.nextRenderHandle = 0; - this.renderAll(); + this.renderAll(true); }, /** @@ -788,7 +795,11 @@ import { pick } from './util/misc/pick'; * @return {fabric.Canvas} instance * @chainable */ - renderCanvas: function (ctx, objects) { + renderCanvas: function ( + ctx, + objects, + renderingContext: RenderingContext = new RenderingContext() + ) { if (this.destroyed) { return; } @@ -800,30 +811,34 @@ import { pick } from './util/misc/pick'; ctx.imageSmoothingEnabled = this.imageSmoothingEnabled; // node-canvas ctx.patternQuality = 'best'; - this.fire('before:render', { ctx: ctx }); - this._renderBackground(ctx); + renderingContext.shouldFireRenderingEvent() && + this.fire('before:render', { ctx, renderingContext }); + this._renderBackground(ctx, renderingContext); ctx.save(); //apply viewport transform once for all rendering process ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); - this._renderObjects(ctx, objects); + this._renderObjects(ctx, objects, renderingContext); ctx.restore(); if (!this.controlsAboveOverlay && this.interactive) { this.drawControls(ctx); } if (path) { path._set('canvas', this); - // needed to setup a couple of variables - path.shouldCache(); - path._transformDone = true; - path.renderCache({ forClipping: true }); - this.drawClipPathOnCanvas(ctx); + path.render( + ctx, + renderingContext.fork({ + target: path, + clipping: this, + }) + ); } - this._renderOverlay(ctx); + this._renderOverlay(ctx, renderingContext); if (this.controlsAboveOverlay && this.interactive) { this.drawControls(ctx); } - this.fire('after:render', { ctx: ctx }); + renderingContext.shouldFireRenderingEvent() && + this.fire('after:render', { ctx, renderingContext }); if (this.__cleanupTask) { this.__cleanupTask(); @@ -831,37 +846,18 @@ import { pick } from './util/misc/pick'; } }, - /** - * Paint the cached clipPath on the lowerCanvasEl - * @param {CanvasRenderingContext2D} ctx Context to render on - */ - drawClipPathOnCanvas: function (ctx) { - var v = this.viewportTransform, - path = this.clipPath; - ctx.save(); - ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); - // DEBUG: uncomment this line, comment the following - // ctx.globalAlpha = 0.4; - ctx.globalCompositeOperation = 'destination-in'; - path.transform(ctx); - ctx.scale(1 / path.zoomX, 1 / path.zoomY); - ctx.drawImage( - path._cacheCanvas, - -path.cacheTranslationX, - -path.cacheTranslationY - ); - ctx.restore(); - }, - /** * @private * @param {CanvasRenderingContext2D} ctx Context to render on * @param {Array} objects to render */ - _renderObjects: function (ctx, objects) { - var i, len; - for (i = 0, len = objects.length; i < len; ++i) { - objects[i] && objects[i].render(ctx); + _renderObjects: function ( + ctx, + objects, + renderingContext: RenderingContext + ) { + for (let i = 0; i < objects.length; i++) { + objects[i]?.render(ctx, renderingContext.fork()); } }, @@ -870,7 +866,11 @@ import { pick } from './util/misc/pick'; * @param {CanvasRenderingContext2D} ctx Context to render on * @param {string} property 'background' or 'overlay' */ - _renderBackgroundOrOverlay: function (ctx, property) { + _renderBackgroundOrOverlay: function ( + ctx, + property, + renderingContext: RenderingContext + ) { var fill = this[property + 'Color'], object = this[property + 'Image'], v = this.viewportTransform, @@ -901,7 +901,7 @@ import { pick } from './util/misc/pick'; if (needsVpt) { ctx.transform(v[0], v[1], v[2], v[3], v[4], v[5]); } - object.render(ctx); + object.render(ctx, renderingContext.fork()); ctx.restore(); } }, @@ -910,16 +910,16 @@ import { pick } from './util/misc/pick'; * @private * @param {CanvasRenderingContext2D} ctx Context to render on */ - _renderBackground: function (ctx) { - this._renderBackgroundOrOverlay(ctx, 'background'); + _renderBackground: function (ctx, renderingContext: RenderingContext) { + this._renderBackgroundOrOverlay(ctx, 'background', renderingContext); }, /** * @private * @param {CanvasRenderingContext2D} ctx Context to render on */ - _renderOverlay: function (ctx) { - this._renderBackgroundOrOverlay(ctx, 'overlay'); + _renderOverlay: function (ctx, renderingContext: RenderingContext) { + this._renderBackgroundOrOverlay(ctx, 'overlay', renderingContext); }, /** @@ -1319,26 +1319,11 @@ import { pick } from './util/misc/pick'; '\n', this.createSVGFontFacesMarkup(), this.createSVGRefElementsMarkup(), - this.createSVGClipPathMarkup(options), + this.clipPath?.toClipPathSVGMarkup(options.reviver) ?? '', '\n' ); }, - createSVGClipPathMarkup: function (options) { - var clipPath = this.clipPath; - if (clipPath) { - clipPath.clipPathId = 'CLIPPATH_' + fabric.Object.__uid++; - return ( - '\n' + - this.clipPath.toClipPathSVG(options.reviver) + - '\n' - ); - } - return ''; - }, - /** * Creates markup containing SVG referenced elements like patterns, gradients etc. * @return {String} diff --git a/src/util/CanvasProvider.ts b/src/util/CanvasProvider.ts new file mode 100644 index 00000000000..63b9e769808 --- /dev/null +++ b/src/util/CanvasProvider.ts @@ -0,0 +1,51 @@ +import { TSize } from '../typedefs'; +import { cleanUpJsdomNode } from './dom_misc'; +import { createCanvasElement } from './misc/dom'; +import { Canvas } from '../__types__'; + +class CanvasProviderListing { + canvas: HTMLCanvasElement; + locked: boolean; + constructor() { + this.canvas = createCanvasElement(); + this.locked = false; + } + lock = () => { + this.locked = true; + }; + unlock = () => { + this.locked = false; + }; +} + +export class CanvasProvider { + stack: CanvasProviderListing[] = []; + canvas: Canvas; + create() { + const value = new CanvasProviderListing(); + this.stack.push(value); + return value; + } + request({ width = 0, height = 0 }: Partial = {}) { + const { canvas, lock } = + this.stack.find(({ locked }) => !locked) || this.create(); + lock(); + canvas.width = width; + canvas.height = height; + return { + canvas, + ctx: canvas.getContext('2d'), + release: () => this.release(canvas), + }; + } + release(canvas: HTMLCanvasElement) { + const found = this.stack.find(({ canvas: c }) => c === canvas); + found && found.unlock(); + } + dispose() { + this.stack.map(({ canvas }) => cleanUpJsdomNode(canvas)); + this.stack = []; + } +} + +export const canvasProvider = new CanvasProvider(); diff --git a/src/util/misc/matrix.ts b/src/util/misc/matrix.ts index e907b149da7..128e60f2a1a 100644 --- a/src/util/misc/matrix.ts +++ b/src/util/misc/matrix.ts @@ -3,7 +3,7 @@ import { sin } from './sin'; import { degreesToRadians } from './radiansDegreesConversion'; import { iMatrix, PiBy180 } from '../../constants'; import { IPoint, Point } from '../../point.class'; -import { TDegree, TMat2D } from '../../typedefs'; +import { TDegree, TMat2D, TRadian } from '../../typedefs'; type TRotateMatrixArgs = { angle?: TDegree; @@ -90,7 +90,7 @@ export const multiplyTransformMatrices = ( export const qrDecompose = ( a: TMat2D ): Required> => { - const angle = Math.atan2(a[1], a[0]), + const angle = getMatrixRotation(a), denom = Math.pow(a[0], 2) + Math.pow(a[1], 2), scaleX = Math.sqrt(denom), scaleY = (a[0] * a[3] - a[2] * a[1]) / scaleX, @@ -106,6 +106,11 @@ export const qrDecompose = ( }; }; +export const getMatrixScale = (t: TMat2D) => new Point(t[0], t[3]); + +export const getMatrixRotation = (t: TMat2D) => + Math.atan2(t[1], t[0]) as TRadian; + /** * Returns a transform matrix starting from an object of the same kind of * the one returned from qrDecompose, useful also if you want to calculate some diff --git a/src/util/misc/mergeClipPaths.ts b/src/util/misc/mergeClipPaths.ts index 10a05af420f..929b7554f71 100644 --- a/src/util/misc/mergeClipPaths.ts +++ b/src/util/misc/mergeClipPaths.ts @@ -6,7 +6,7 @@ import { sendObjectToPlane } from './planeChange'; * Merges 2 clip paths into one visually equal clip path * * **IMPORTANT**:\ - * Does **NOT** clone the arguments, clone them proir if necessary. + * Does **NOT** clone the arguments, clone them prior if necessary. * * Creates a wrapper (group) that contains one clip path and is clipped by the other so content is kept where both overlap. * Use this method if both the clip paths may have nested clip paths of their own, so assigning one to the other's clip path property is not possible. diff --git a/src/util/misc/planeChange.ts b/src/util/misc/planeChange.ts index 41f5651a43b..d1b85a5c8cf 100644 --- a/src/util/misc/planeChange.ts +++ b/src/util/misc/planeChange.ts @@ -116,8 +116,7 @@ export const transformPointRelativeToCanvas = ( * let obj, existingObj; * let clipPath = new fabric.Circle({ radius: 50 }); * obj.clipPath = clipPath; - * let transformTo = fabric.util.multiplyTransformMatrices(obj.calcTransformMatrix(), clipPath.calcTransformMatrix()); - * fabric.util.sendObjectToPlane(existingObj, existingObj.group?.calcTransformMatrix(), transformTo); + * fabric.util.sendObjectToPlane(existingObj, existingObj.group?.calcTransformMatrix(), clipPath.calcTransformMatrix()); * clipPath.clipPath = existingObj; * * @static diff --git a/test/unit/group.js b/test/unit/group.js index 28327957fc3..48f6157f792 100644 --- a/test/unit/group.js +++ b/test/unit/group.js @@ -485,7 +485,7 @@ QUnit.test('toSVG with a group as a clipPath', function(assert) { var group = makeGroupWith2Objects(); group.clipPath = makeGroupWith2Objects(); - var expectedSVG = '\n\n\t\t\n\t\t\n\n\n\t\t\n\n\n\t\t\n\n\n\n\n'; + var expectedSVG = '\n\n\t\t\n\t\t\n\n\n\t\t\n\n\n\t\t\n\n\n\n\n'; assert.equal(group.toSVG(), expectedSVG); }); @@ -622,7 +622,6 @@ var obj = g1.item(0); g1.dirty = false; obj.dirty = false; - g1.ownCaching = true; assert.equal(g1.dirty, false, 'Group has no dirty flag set'); obj.set('fill', 'red'); assert.equal(obj.dirty, true, 'Obj has dirty flag set'); @@ -634,11 +633,10 @@ var obj = g1.item(0); g1.dirty = false; obj.dirty = false; - g1.ownCaching = false; assert.equal(g1.dirty, false, 'Group has no dirty flag set'); obj.set('fill', 'red'); assert.equal(obj.dirty, true, 'Obj has dirty flag set'); - assert.equal(g1.dirty, false, 'Group has no dirty flag set'); + assert.equal(g1.dirty, true, 'Group has no dirty flag set'); }); QUnit.test('dirty flag propagation from children up does not happen if value does not change really', function(assert) { @@ -647,7 +645,6 @@ obj.fill = 'red'; g1.dirty = false; obj.dirty = false; - g1.ownCaching = true; assert.equal(obj.dirty, false, 'Obj has no dirty flag set'); assert.equal(g1.dirty, false, 'Group has no dirty flag set'); obj.set('fill', 'red'); @@ -660,9 +657,6 @@ var obj = g1.item(0); g1.dirty = false; obj.dirty = false; - // specify that the group is caching or the test will fail under node since the - // object caching is disabled by default - g1.ownCaching = true; assert.equal(g1.dirty, false, 'Group has no dirty flag set'); obj.set('angle', 5); assert.equal(obj.dirty, false, 'Obj has dirty flag still false'); @@ -748,7 +742,7 @@ assert.notEqual(coords, newCoords, 'object coords have been recalculated - remove'); }); - QUnit.test('group willDrawShadow', function(assert) { + QUnit.skip('group willDrawShadow', function(assert) { var rect1 = new fabric.Rect({ top: 1, left: 1, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), rect2 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), rect3 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), @@ -770,7 +764,7 @@ assert.equal(group2.willDrawShadow(), false, 'group will not cast shadow because no child has shadow'); }); - QUnit.test('group willDrawShadow with no offsets', function(assert) { + QUnit.skip('group willDrawShadow with no offsets', function(assert) { var rect1 = new fabric.Rect({ top: 1, left: 1, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), rect2 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), rect3 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: false}), @@ -796,31 +790,6 @@ }); - QUnit.test('group shouldCache', function(assert) { - var rect1 = new fabric.Rect({ top: 1, left: 1, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), - rect2 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), - rect3 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), - rect4 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), - group = new fabric.Group([rect1, rect2], { objectCaching: true}), - group2 = new fabric.Group([rect3, rect4], { objectCaching: true}), - group3 = new fabric.Group([group, group2], { objectCaching: true}); - - assert.equal(group3.shouldCache(), true, 'group3 will cache because no child has shadow'); - assert.equal(group2.shouldCache(), false, 'group2 will not cache because is drawing on parent group3 cache'); - assert.equal(rect3.shouldCache(), false, 'rect3 will not cache because is drawing on parent2 group cache'); - - group2.shadow = { offsetX: 2, offsetY: 0 }; - rect1.shadow = { offsetX: 0, offsetY: 2 }; - - assert.equal(group3.shouldCache(), false, 'group3 will cache because children have shadow'); - assert.equal(group2.shouldCache(), true, 'group2 will cache because is not drawing on parent group3 cache and no children have shadow'); - assert.equal(group.shouldCache(), false, 'group will not cache because even if is not drawing on parent group3 cache children have shadow'); - - assert.equal(rect1.shouldCache(), true, 'rect1 will cache because none of its parent is caching'); - assert.equal(rect3.shouldCache(), false, 'rect3 will not cache because group2 is caching'); - - }); - QUnit.test('canvas prop propagation with set', function(assert) { var rect1 = new fabric.Rect({ top: 1, left: 1, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), rect2 = new fabric.Rect({ top: 5, left: 5, width: 2, height: 2, strokeWidth: 0, fill: 'red', opacity: 1, objectCaching: true}), diff --git a/test/unit/object.js b/test/unit/object.js index 0f9cf0d1340..be05ba50317 100644 --- a/test/unit/object.js +++ b/test/unit/object.js @@ -76,6 +76,27 @@ assert.equal(88, cObj.get('height')); }); + QUnit.test('set clipPath', function(assert) { + const cObj = new fabric.Object({}); + cObj.set('canvas', canvas); + const clipPath = new fabric.Object({}); + cObj.set('clipPath', clipPath); + assert.strictEqual(clipPath.group, cObj); + assert.strictEqual(clipPath.clipping, cObj); + assert.strictEqual(clipPath.canvas, canvas); + cObj.set('canvas', undefined); + assert.strictEqual(cObj.canvas, undefined, 'should dereference canvas'); + assert.strictEqual(clipPath.canvas, undefined, 'should dereference canvas once object does'); + cObj.set('canvas', canvas); + assert.strictEqual(cObj.canvas, canvas, 'should reference canvas'); + assert.strictEqual(clipPath.canvas, canvas, 'should reference canvas once object does'); + cObj.set('clipPath', undefined); + assert.strictEqual(cObj.clipPath, undefined, 'should dereference clipPath'); + assert.strictEqual(clipPath.group, undefined, 'should dereference clipped object'); + assert.strictEqual(clipPath.clipping, undefined, 'should dereference clipped object'); + assert.strictEqual(clipPath.canvas, undefined, 'should dereference canvas'); + }); + // QUnit.test('Dynamically generated accessors', function(assert) { // var cObj = new fabric.Object({ }); // @@ -1156,7 +1177,7 @@ assert.equal(object.dirty, true, 'object is dirty again if cache gets created'); }); - QUnit.test('isCacheDirty statefullCache disabled', function(assert) { + QUnit.test.skip('isCacheDirty statefullCache disabled', function(assert) { var object = new fabric.Object({ scaleX: 3, scaleY: 2, width: 1, height: 2}); assert.equal(object.dirty, true, 'object is dirty after creation'); object.cacheProperties = ['propA', 'propB']; @@ -1167,7 +1188,7 @@ assert.equal(object.isCacheDirty(), true, 'object is dirty if dirty flag is true'); }); - QUnit.test('isCacheDirty statefullCache enabled', function(assert) { + QUnit.test.skip('isCacheDirty statefullCache enabled', function(assert) { var object = new fabric.Object({ scaleX: 3, scaleY: 2, width: 1, height: 2}); object.cacheProperties = ['propA', 'propB']; object.dirty = false; @@ -1205,7 +1226,7 @@ assert.deepEqual(dims, { width: 24, height: 34, zoomX: 2, zoomY: 3, x: 22, y: 32 }, 'cache is as big as the scaled object'); }); - QUnit.test('_updateCacheCanvas check if cache canvas should be updated', function(assert) { + QUnit.skip('_updateCacheCanvas check if cache canvas should be updated', function(assert) { fabric.config.configure({ perfLimitSizeTotal: 10000, maxCacheSideLimit: 4096, @@ -1413,72 +1434,34 @@ object = new fabric.Object({ fill: 'blue', width: 0, height: 0, strokeWidth: 0 }); assert.equal(object.isNotVisible(), true, 'object is not visible with also strokeWidth equal 0'); }); - QUnit.test('shouldCache', function(assert) { - var object = new fabric.Object(); - object.objectCaching = false; - assert.equal(object.shouldCache(), false, 'if objectCaching is false, object should not cache'); - object.objectCaching = true; - assert.equal(object.shouldCache(), true, 'if objectCaching is true, object should cache'); - object.objectCaching = false; - object.needsItsOwnCache = function () { return true; }; - assert.equal(object.shouldCache(), true, 'if objectCaching is false, but we have a clipPath, shouldCache returns true'); - - object.needsItsOwnCache = function () { return false; }; - - object.objectCaching = true; - object.group = { isOnACache: function() { return true; }}; - assert.equal(object.shouldCache(), false, 'if objectCaching is true, but we are in a group, shouldCache returns false'); - - object.objectCaching = true; - object.group = { isOnACache: function() { return false; }}; - assert.equal(object.shouldCache(), true, 'if objectCaching is true, but we are in a not cached group, shouldCache returns true'); - object.objectCaching = false; - object.group = { isOnACache: function() { return false; }}; - assert.equal(object.shouldCache(), false, 'if objectCaching is false, but we are in a not cached group, shouldCache returns false'); - - object.objectCaching = false; - object.group = { isOnACache: function() { return true; }}; - assert.equal(object.shouldCache(), false, 'if objectCaching is false, but we are in a cached group, shouldCache returns false'); - - object.needsItsOwnCache = function () { return true; }; - - object.objectCaching = false; - object.group = { isOnACache: function() { return true; }}; - assert.equal(object.shouldCache(), true, 'if objectCaching is false, but we have a clipPath, group cached, we cache anyway'); - - object.objectCaching = false; - object.group = { isOnACache: function() { return false; }}; - assert.equal(object.shouldCache(), true, 'if objectCaching is false, but we have a clipPath, group not cached, we cache anyway'); - - }); - QUnit.test('needsItsOwnCache', function(assert) { + QUnit.test('shouldRenderInIsolation', function(assert) { var object = new fabric.Object(); - assert.equal(object.needsItsOwnCache(), false, 'default needsItsOwnCache is false'); + assert.equal(object.shouldRenderInIsolation(), false, 'default shouldRenderInIsolation is false'); object.clipPath = {}; - assert.equal(object.needsItsOwnCache(), true, 'with a clipPath is true'); + assert.equal(object.shouldRenderInIsolation(), true, 'with a clipPath is true'); delete object.clipPath; object.paintFirst = 'stroke'; object.stroke = 'black'; object.shadow = {}; - assert.equal(object.needsItsOwnCache(), true, 'if stroke first will return true'); + assert.equal(object.shouldRenderInIsolation(), true, 'if stroke first will return true'); object.paintFirst = 'stroke'; object.stroke = 'black'; object.shadow = null; - assert.equal(object.needsItsOwnCache(), true, 'if stroke first will return false if no shadow'); + assert.equal(object.shouldRenderInIsolation(), true, 'if stroke first will return false if no shadow'); object.paintFirst = 'stroke'; object.stroke = ''; object.shadow = {}; - assert.equal(object.needsItsOwnCache(), false, 'if stroke first will return false if no stroke'); + assert.equal(object.shouldRenderInIsolation(), false, 'if stroke first will return false if no stroke'); object.paintFirst = 'stroke'; object.stroke = 'black'; object.fill = ''; object.shadow = {}; - assert.equal(object.needsItsOwnCache(), false, 'if stroke first will return false if no fill'); + assert.equal(object.shouldRenderInIsolation(), false, 'if stroke first will return false if no fill'); }); QUnit.test('hasStroke', function(assert) { var object = new fabric.Object({ fill: 'blue', width: 100, height: 100, strokeWidth: 3, stroke: 'black' }); diff --git a/test/unit/object_geometry.js b/test/unit/object_geometry.js index 1534463219e..a73afe2f53e 100644 --- a/test/unit/object_geometry.js +++ b/test/unit/object_geometry.js @@ -432,6 +432,32 @@ assert.deepEqual(cObj.calcTransformMatrix(), cObj.calcOwnMatrix(), 'without group matrix is same'); }); + QUnit.test('calcTransformMatrix', function (assert) { + const a = new fabric.Object({ scaleX: 0.5, scaleY: 2/3, angle: -60 }); + const b = new fabric.Object({ scaleX: 2, scaleY: 3, angle: 15 }); + const c = new fabric.Object({ width: 10, height: 15, strokeWidth: 0, angle: 45 }); + const d = new fabric.Object({ width: 10, height: 15, strokeWidth: 0, skewY: 30 }); + c.set({ clipPath: d }); + c.group = b; + b.group = a; + assert.deepEqual(c.calcTransformMatrix(true), c.calcOwnMatrix(), 'without group matrix is same'); + assert.deepEqual( + b.calcTransformMatrix(), + fabric.util.multiplyTransformMatrices(a.calcTransformMatrix(), b.calcOwnMatrix()), + 'nested object matrix should match' + ); + assert.deepEqual( + c.calcTransformMatrix(), + fabric.util.multiplyTransformMatrices(b.calcTransformMatrix(), c.calcOwnMatrix()), + 'nested object matrix should match' + ); + assert.deepEqual( + d.calcTransformMatrix(), + fabric.util.multiplyTransformMatrices(c.calcTransformMatrix(), d.calcOwnMatrix()), + 'clip path matrix should match' + ); + }); + QUnit.test('calcOwnMatrix', function(assert) { var cObj = new fabric.Object({ width: 10, height: 15, strokeWidth: 0 }); assert.ok(typeof cObj.calcOwnMatrix === 'function', 'calcTransformMatrix should exist'); diff --git a/test/unit/util.js b/test/unit/util.js index 10b348547b7..e399a986600 100644 --- a/test/unit/util.js +++ b/test/unit/util.js @@ -879,8 +879,6 @@ applyTransformToObject = fabric.util.applyTransformToObject, invert = fabric.util.invertTransform, multiply = fabric.util.multiplyTransformMatrices; - // silence group check - obj1.isOnACache = () => false; applyTransformToObject(obj, m); applyTransformToObject(obj1, m1); @@ -1156,8 +1154,8 @@ 0.2696723314583158, -0.41255083562929973, 0.37782470175621224, - -153.32445710769997, - 1.7932869074173539, + 0.2481, + 161.2949 ]); assert.equal(result.inverted, false, 'the final clipPathB is not inverted') assert.equal(result.clipPath, clipPathB, 'clipPathB is the final clipPath'); @@ -1175,8 +1173,8 @@ -0.8090, 1.2377, 1.7634, - 171.5698, - -127.2043, + 180.9847, + 84.7937 ]); assert.equal(result.inverted, false, 'the final clipPathA is not inverted') assert.equal(result.clipPath, clipPathA, 'clipPathA is the final clipPath'); diff --git a/test/visual/assets/clippath-9.svg b/test/visual/assets/handbag.svg similarity index 100% rename from test/visual/assets/clippath-9.svg rename to test/visual/assets/handbag.svg diff --git a/test/visual/clippath.js b/test/visual/clippath.js index e37fa682eb2..5b9c8cf2408 100644 --- a/test/visual/clippath.js +++ b/test/visual/clippath.js @@ -105,211 +105,196 @@ percentage: 0.06, }); - // function clipping3(canvas, callback) { - // var clipPath = new fabric.Circle({ radius: 100, top: -100, left: -100 }); - // var small = new fabric.Circle({ radius: 50, top: -50, left: -50 }); - // var small2 = new fabric.Rect({ width: 30, height: 30, top: -50, left: -50 }); - // var group = new fabric.Group([ - // new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'red', clipPath: small }), - // new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'yellow', left: 100 }), - // new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'blue', top: 100, clipPath: small2 }), - // new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'green', left: 100, top: 100 }) - // ], { strokeWidth: 0 }); - // group.clipPath = clipPath; - // canvas.add(group); - // canvas.renderAll(); - // callback(canvas.lowerCanvasEl); - // } - - // FIX ON NODE - // tests.push({ - // test: 'Isolation of clipPath of group and inner objects', - // code: clipping3, - // golden: 'clipping3.png', - // percentage: 0.06, - // }); - - function clipping4(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = clipPath; - canvas.add(obj); + function clipping3(canvas, callback) { + var clipPath = new fabric.Circle({ radius: 100, top: -100, left: -100 }); + var small = new fabric.Circle({ radius: 50, top: -50, left: -50 }); + var small2 = new fabric.Rect({ width: 30, height: 30, top: -50, left: -50 }); + var group = new fabric.Group([ + new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'red', clipPath: small }), + new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'yellow', left: 100 }), + new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'blue', top: 100, clipPath: small2 }), + new fabric.Rect({ strokeWidth: 0, width: 100, height: 100, fill: 'green', left: 100, top: 100 }) + ], { strokeWidth: 0 }); + group.clipPath = clipPath; + canvas.add(group); canvas.renderAll(); callback(canvas.lowerCanvasEl); } tests.push({ - test: 'ClipPath can be transformed', - code: clipping4, - golden: 'clipping4.png', + test: 'Isolation of clipPath of group and inner objects', + code: clipping3, + golden: 'clipping3.png', percentage: 0.06, }); - function clipping5(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var clipPath1 = new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }); - var clipPath2 = new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }); - var group = new fabric.Group([clipPath, clipPath1, clipPath2]); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = group; - canvas.add(obj); + const defaultCallback = (canvas, callback) => { canvas.renderAll(); callback(canvas.lowerCanvasEl); } + function createGradientClippingTest(clipPathBuilder, cb = defaultCallback) { + return (canvas, callback) => { + const obj = new fabric.Rect({ + top: 0, + left: 0, + strokeWidth: 0, + width: 200, + height: 200, + fill: new fabric.Gradient({ + type: 'linear', + coords: { + x1: 0, + y1: 0, + x2: 200, + y2: 200, + }, + colorStops: [ + { + offset: 0, + color: 'red', + }, + { + offset: 1, + color: 'blue', + } + ] + }), + clipPath: clipPathBuilder() + }); + canvas.add(obj); + cb(canvas, callback); + } + } + + function createClippingTest( + clipPathCallback, + cb = defaultCallback + ) { + return (canvas, callback) => { + const objects = [ + new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)' }), + new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)' }), + new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)' }), + new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)' }), + ]; + clipPathCallback && objects.forEach(clipPathCallback); + canvas.add(...objects); + cb(canvas, callback); + } + } + tests.push({ - test: 'ClipPath can be a group with many objects', - code: clipping5, - golden: 'clipping5.png', + test: 'ClipPath can be transformed', + code: createGradientClippingTest(() => + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 })), + golden: 'clipping/transformed.png', percentage: 0.06, }); - function clipping6(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var clipPath1 = new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }); - var clipPath2 = new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }); - var group = new fabric.Group([clipPath, clipPath1, clipPath2]); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = group; - group.inverted = true; - canvas.add(obj); - canvas.renderAll(); - callback(canvas.lowerCanvasEl); - } + tests.push({ + test: 'ClipPath can be a group with many objects', + code: createGradientClippingTest(() => + new fabric.Group([ + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }) + ]) + ), + golden: 'clipping/transformed-grouped.png', + percentage: 0.06, + }); tests.push({ test: 'ClipPath can be inverted, it will clip what is outside the clipPath', - code: clipping6, - golden: 'clipping6.png', + code: createGradientClippingTest(() => + new fabric.Group([ + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }) + ], { inverted: true }) + ), + golden: 'clipping/inverted.png', percentage: 0.06, }); - // function clipping7(canvas, callback) { - // var clipPath = new fabric.Circle({ radius: 30, strokeWidth: 0, top: -30, left: -30, skewY: 45 }); - // var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - // var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - // var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - // var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - // obj1.clipPath = clipPath; - // obj2.clipPath = clipPath; - // obj3.clipPath = clipPath; - // obj4.clipPath = clipPath; - // canvas.add(obj1); - // canvas.add(obj2); - // canvas.add(obj3); - // canvas.add(obj4); - // canvas.renderAll(); - // callback(canvas.lowerCanvasEl); - // } - - // FIX ON NODE - // tests.push({ - // test: 'Many Objects can share the same clipPath', - // code: clipping7, - // golden: 'clipping7.png', - // percentage: 0.06, - // }); - - function clipping8(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40, absolutePositioned: true }); - var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - obj1.clipPath = clipPath; - obj2.clipPath = clipPath; - obj3.clipPath = clipPath; - canvas.add(obj1); - canvas.add(obj2); - canvas.add(obj3); - canvas.add(obj4); - canvas.renderAll(); - callback(canvas.lowerCanvasEl); - } + tests.push({ + test: 'clipping objects', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Circle({ radius: 30, strokeWidth: 0, top: -30, left: -30, skewY: 45 }) + })), + golden: 'clipping/transformed-many.png', + percentage: 0.06, + }); tests.push({ - test: 'an absolute positioned clipPath, shared', - code: clipping8, - golden: 'clipping8.png', + test: 'transformed group clip path', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 30, strokeWidth: 0 })], { + left: -30, + top: -30, + skewY: 45 + }) + }) + ), + golden: 'clipping/transformed-many.png', percentage: 0.06, }); - function clipping9(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 60, strokeWidth: 0, top: 10, left: 10 }); - var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - canvas.add(obj1); - canvas.add(obj2); - canvas.add(obj3); - canvas.add(obj4); - canvas.clipPath = clipPath; - canvas.renderAll(); - callback(canvas.lowerCanvasEl); - } + tests.push({ + test: 'absolute positioned clip path', + code: createClippingTest((object, index, objects) => + index !== objects.length - 1 && object.set({ + clipPath: new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40, absolutePositioned: true }) + }) + ), + golden: 'clipping/abs.png', + percentage: 0.06, + }); + + tests.push({ + test: 'group clip path with absolute positioned child', + code: createClippingTest((object, index, objects) => + index !== objects.length - 1 && object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40 })], { + absolutePositioned: true + }) + }) + ), + golden: 'clipping/abs.png', + percentage: 0.06 + }); + + tests.push({ + test: 'transformed group clip path with absolute positioned child', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40 })], { + left: -60, + top: -60, + scaleX: 2, + scaleY: 2, + skewX: 30, + skewY: 30, + absolutePositioned: true + }) + }) + ), + golden: 'clipping/transformed-abs-group.png', + percentage: 0.06 + }); tests.push({ - test: 'a clipPath on the canvas', - code: clipping9, - golden: 'clipping9.png', + test: 'clipping canvas', + code: createClippingTest(null, (canvas, callback) => { + canvas.set({ + clipPath: new fabric.Circle({ radius: 60, strokeWidth: 0, top: 10, left: 10 }) + }); + defaultCallback(canvas, callback); + }), + golden: 'clipping/canvas.png', percentage: 0.06, }); @@ -339,11 +324,13 @@ tests.push({ test: 'clipPath made of polygons and paths', code: clipping11, - golden: 'clippath-9.png', + golden: 'handbag.png', percentage: 0.06, width: 400, height: 400, }); + + tests.forEach(visualTestLoop(QUnit)); })(); diff --git a/test/visual/golden/clippath-9.png b/test/visual/golden/clippath-9.png 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00000000000..808535ec98d --- /dev/null +++ b/test/visual/shadow.js @@ -0,0 +1,85 @@ + +function createClippedNestedShadowedTextTest(a, b, c, stroke) { + return (canvas, callback) => { + const text = new fabric.Text("Clipped Text\nShadow Test", { + fontSize: 48, + fontWeight: 'bold', + top: 24, + textAlign: 'center', + strokeWidth: stroke ? 5 : 0, + stroke: 'rgba(0,0,0,0.5)', + shadow: new fabric.Shadow({ + color: "red", + blur: 5, + offsetX: 20, + offsetY: 20 + }) + }); + const group = new fabric.Group( + [ + new fabric.Rect({ width: 300, height: 200, fill: "yellow" }), + new fabric.Rect({ width: 150, height: 100, fill: "green" }), + new fabric.Rect({ width: 150, height: 100, left: 150, fill: "blue" }), + new fabric.Rect({ width: 150, height: 100, left: 150, top: 100, fill: "magenta" }), + text, + ], + { + clipPath: new fabric.Circle({ + radius: 125, + originX: 'center', + originY: 'center', + }), + } + ); + const top = new fabric.Group([group]); + canvas.add(top); + text.rotate(c); + group.rotate(b); + top.rotate(a); + top.center(); + canvas.renderAll(); + callback(canvas.lowerCanvasEl); + } + } + + const step = 45; + const angles = []; + for (let deg = -180; deg <= 180; deg = deg + step) { + angles.push(deg); +} + +QUnit.module('Shadow Casting', hooks => { + const runner = visualTestLoop(QUnit); + hooks.before(() => { + fabric.config.configure({ NUM_FRACTION_DIGITS: 15 }); + }); + hooks.after(() => { + fabric.config.restoreDefaults(); + }); + angles.forEach(a => { + angles.forEach(b => { + angles.forEach(c => { + const containerDeg = a + b + 360 * -Math.sign(a + b) * Number(Math.abs(a + b) > 180); + QUnit.module(`clipped group ${b}° with nested shadow ${c}° rotated by ${a}°`, () => { + const config = { + percentage: 0.06, + width: 250, + height: 200, + }; + runner({ + test: 'default stroke', + code: createClippedNestedShadowedTextTest(a, b, c, false), + golden: `clipping/nested-shadow/${containerDeg},${c}.png`, + ...config + }); + // runner({ + // test: 'stroke', + // code: createClippedNestedShadowedTextTest(a, b, c, true), + // golden: `clipping/nested-shadow/${containerDeg},${c},stroke.png`, + // ...config + // }); + }); + }); + }); + }); +}); diff --git a/test/visual/svg_import.js b/test/visual/svg_import.js index 51a6fbe7906..727875e8b67 100644 --- a/test/visual/svg_import.js +++ b/test/visual/svg_import.js @@ -76,7 +76,7 @@ 'clippath-5', 'clippath-6', 'clippath-7', - 'clippath-9', + 'handbag', 'vector-effect', 'svg-with-no-dim-rect', 'notoemoji-person', diff --git a/test/visual/z_svg_export.js b/test/visual/z_svg_export.js index b73036c6288..2062d28db33 100644 --- a/test/visual/z_svg_export.js +++ b/test/visual/z_svg_export.js @@ -40,6 +40,8 @@ } } + // TODO clipping code is duplicate - remove from here and use `clippath.js` + var tests = []; function clipping0(canvas, callback) { @@ -138,189 +140,174 @@ code: clipping3, golden: 'clipping3.png', percentage: 0.06, - disabled: false, }); - function clipping4(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = clipPath; - canvas.add(obj); - toSVGCanvas(canvas, callback); + function createGradientClippingTest(clipPathBuilder, cb = toSVGCanvas) { + return (canvas, callback) => { + const obj = new fabric.Rect({ + top: 0, + left: 0, + strokeWidth: 0, + width: 200, + height: 200, + fill: new fabric.Gradient({ + type: 'linear', + coords: { + x1: 0, + y1: 0, + x2: 200, + y2: 200, + }, + colorStops: [ + { + offset: 0, + color: 'red', + }, + { + offset: 1, + color: 'blue', + } + ] + }), + clipPath: clipPathBuilder() + }); + canvas.add(obj); + cb(canvas, callback); + } + } + + function createClippingTest( + clipPathCallback, + cb = toSVGCanvas + ) { + return (canvas, callback) => { + const objects = [ + new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)' }), + new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)' }), + new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)' }), + new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)' }), + ]; + clipPathCallback && objects.forEach(clipPathCallback); + canvas.add(...objects); + cb(canvas, callback); + } } tests.push({ test: 'ClipPath can be transformed', - code: clipping4, - golden: 'clipping4.png', + code: createGradientClippingTest(() => + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 })), + golden: 'clipping/transformed.png', percentage: 0.06, }); - function clipping5(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var clipPath1 = new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }); - var clipPath2 = new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }); - var group = new fabric.Group([clipPath, clipPath1, clipPath2]); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = group; - canvas.add(obj); - toSVGCanvas(canvas, callback); - } - tests.push({ test: 'ClipPath can be a group with many objects', - code: clipping5, - golden: 'clipping5.png', + code: createGradientClippingTest(() => + new fabric.Group([ + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }) + ]) + ), + golden: 'clipping/transformed-grouped.png', percentage: 0.06, - disabled: false, }); - function clipping6(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }); - var clipPath1 = new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }); - var clipPath2 = new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }); - var group = new fabric.Group([clipPath, clipPath1, clipPath2]); - var obj = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 200, height: 200, fill: 'rgba(0,255,0,0.5)'}); - obj.fill = new fabric.Gradient({ - type: 'linear', - coords: { - x1: 0, - y1: 0, - x2: 200, - y2: 200, - }, - colorStops: [ - { - offset: 0, - color: 'red', - }, - { - offset: 1, - color: 'blue', - } - ] - }); - obj.clipPath = group; - group.inverted = true; - canvas.add(obj); - toSVGCanvas(canvas, callback); - } - + // TODO fix inverted clip path svg import/export by migrating to `` tests.push({ test: 'ClipPath can be inverted, it will clip what is outside the clipPath', - code: clipping6, - golden: 'clipping6.png', + code: createGradientClippingTest(() => + new fabric.Group([ + new fabric.Circle({ radius: 20, strokeWidth: 0, top: -10, left: -10, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 15, rotate: 45, strokeWidth: 0, top: -100, left: -50, scaleX: 2, skewY: 45 }), + new fabric.Circle({ radius: 10, strokeWidth: 0, top: -20, left: -20, scaleY: 2, skewX: 45 }) + ], { inverted: true }) + ), + golden: 'clipping/inverted.png', percentage: 0.06, - disabled: true, + action: 'todo', + disabled: true }); - function clipping7(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 30, strokeWidth: 0, top: -30, left: -30, skewY: 45 }); - var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - obj1.clipPath = clipPath; - obj2.clipPath = clipPath; - obj3.clipPath = clipPath; - obj4.clipPath = clipPath; - canvas.add(obj1); - canvas.add(obj2); - canvas.add(obj3); - canvas.add(obj4); - toSVGCanvas(canvas, callback); - } - tests.push({ - test: 'Many Objects can share the same clipPath', - code: clipping7, - golden: 'clipping7.png', + test: 'clipping objects', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Circle({ radius: 30, strokeWidth: 0, top: -30, left: -30, skewY: 45 }) + })), + golden: 'clipping/transformed-many.png', percentage: 0.06, - disabled: false, }); - function clipping8(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40, absolutePositioned: true }); - var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - obj1.clipPath = clipPath; - obj2.clipPath = clipPath; - obj3.clipPath = clipPath; - canvas.add(obj1); - canvas.add(obj2); - canvas.add(obj3); - canvas.add(obj4); - toSVGCanvas(canvas, callback); - } + tests.push({ + test: 'transformed group clip path', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 30, strokeWidth: 0 })], { + left: -30, + top: -30, + skewY: 45 + }) + }) + ), + golden: 'clipping/transformed-many.png', + percentage: 0.06, + }); tests.push({ - test: 'an absolute positioned clipPath, shared', - code: clipping8, - golden: 'clipping8.png', + test: 'absolute positioned clip path', + code: createClippingTest((object, index, objects) => + index !== objects.length - 1 && object.set({ + clipPath: new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40, absolutePositioned: true }) + }) + ), + golden: 'clipping/abs.png', percentage: 0.06, - disabled: false, }); - function clipping9(canvas, callback) { - var clipPath = new fabric.Circle({ radius: 60, strokeWidth: 0, top: 10, left: 10 }); - var obj1 = new fabric.Rect({ top: 0, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,0,0.8)'}); - var obj2 = new fabric.Rect({ top: 0, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,255,0,0.8)'}); - var obj3 = new fabric.Rect({ top: 100, left: 0, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(0,255,255,0.8)'}); - var obj4 = new fabric.Rect({ top: 100, left: 100, strokeWidth: 0, width: 100, height: 100, fill: 'rgba(255,0,0,0.8)'}); - canvas.add(obj1); - canvas.add(obj2); - canvas.add(obj3); - canvas.add(obj4); - canvas.clipPath = clipPath; - toSVGCanvas(canvas, callback); - } + tests.push({ + test: 'group clip path with absolute positioned child', + code: createClippingTest((object, index, objects) => + index !== objects.length - 1 && object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40 })], { + absolutePositioned: true + }) + }) + ), + golden: 'clipping/abs.png', + percentage: 0.06 + }); tests.push({ - test: 'a clipPath on the canvas', - code: clipping9, - golden: 'clipping9.png', + test: 'transformed group clip path with absolute positioned child', + code: createClippingTest(object => + object.set({ + clipPath: new fabric.Group([new fabric.Circle({ radius: 60, strokeWidth: 0, top: 40, left: 40 })], { + left: -60, + top: -60, + scaleX: 2, + scaleY: 2, + skewX: 30, + skewY: 30, + absolutePositioned: true + }) + }) + ), + golden: 'clipping/transformed-abs-group.png', + percentage: 0.06 + }); + + tests.push({ + test: 'clipping canvas', + code: createClippingTest(null, (canvas, callback) => { + canvas.set({ + clipPath: new fabric.Circle({ radius: 60, strokeWidth: 0, top: 10, left: 10 }) + }); + toSVGCanvas(canvas, callback); + }), + golden: 'clipping/canvas.png', percentage: 0.06, - disabled: false, }); function clipping10(canvas, callback) { @@ -347,7 +334,7 @@ tests.push({ test: 'clipPath made of polygons and paths', code: clipping11, - golden: 'clippath-9.png', + golden: 'handbag.png', percentage: 0.06, width: 400, height: 400,