jquery.zoom.min.js

/*!
	Zoom v1.7.13 - 2014-04-29
	Enlarge images on click or mouseover.
	(c) 2014 Jack Moore - http://www.jacklmoore.com/zoom
	license: http://www.opensource.org/licenses/mit-license.php
*/
(function(o){var t={url:!1,callback:!1,target:!1,duration:120,on:"mouseover",touch:!0,onZoomIn:!1,onZoomOut:!1,magnify:1};o.zoom=function(t,n,e,i){var u,c,a,m,l,r,s,f=o(t).css("position"),h=o(n);return t.style.position=/(absolute|fixed)/.test(f)?f:"relative",t.style.overflow="hidden",e.style.width=e.style.height="",o(e).addClass("zoomImg").css({position:"absolute",top:0,left:0,opacity:0,width:e.width*i,height:e.height*i,border:"none",maxWidth:"none",maxHeight:"none"}).appendTo(t),{init:function(){c=o(t).outerWidth(),u=o(t).outerHeight(),n===t?(m=c,a=u):(m=h.outerWidth(),a=h.outerHeight()),l=(e.width-c)/m,r=(e.height-u)/a,s=h.offset()},move:function(o){var t=o.pageX-s.left,n=o.pageY-s.top;n=Math.max(Math.min(n,a),0),t=Math.max(Math.min(t,m),0),e.style.left=t*-l+"px",e.style.top=n*-r+"px"}}},o.fn.zoom=function(n){return this.each(function(){var e,i=o.extend({},t,n||{}),u=i.target||this,c=this,a=o(c),m=document.createElement("img"),l=o(m),r="mousemove.zoom",s=!1,f=!1;(i.url||(e=a.find("img"),e[0]&&(i.url=e.data("src")||e.attr("src")),i.url))&&(function(){var o=u.style.position,t=u.style.overflow;a.one("zoom.destroy",function(){a.off(".zoom"),u.style.position=o,u.style.overflow=t,l.remove()})}(),m.onload=function(){function t(t){e.init(),e.move(t),l.stop().fadeTo(o.support.opacity?i.duration:0,1,o.isFunction(i.onZoomIn)?i.onZoomIn.call(m):!1)}function n(){l.stop().fadeTo(i.duration,0,o.isFunction(i.onZoomOut)?i.onZoomOut.call(m):!1)}var e=o.zoom(u,c,m,i.magnify);"grab"===i.on?a.on("mousedown.zoom",function(i){1===i.which&&(o(document).one("mouseup.zoom",function(){n(),o(document).off(r,e.move)}),t(i),o(document).on(r,e.move),i.preventDefault())}):"click"===i.on?a.on("click.zoom",function(i){return s?void 0:(s=!0,t(i),o(document).on(r,e.move),o(document).one("click.zoom",function(){n(),s=!1,o(document).off(r,e.move)}),!1)}):"toggle"===i.on?a.on("click.zoom",function(o){s?n():t(o),s=!s}):"mouseover"===i.on&&(e.init(),a.on("mouseenter.zoom",t).on("mouseleave.zoom",n).on(r,e.move)),i.touch&&a.on("touchstart.zoom",function(o){o.preventDefault(),f?(f=!1,n()):(f=!0,t(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0]))}).on("touchmove.zoom",function(o){o.preventDefault(),e.move(o.originalEvent.touches[0]||o.originalEvent.changedTouches[0])}),o.isFunction(i.callback)&&i.callback.call(m)},m.src=i.url)})},o.fn.zoom.defaults=t})(window.jQuery);