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@specious
Last active July 8, 2016 15:26
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jquery.reflection.js - Based on reflection.js v1.11 by Christophe Beyls
/*!
reflection.js for jQuery v1.12
(c) 2006-2013 Christophe Beyls <http://www.digitalia.be>
MIT-style license.
*/
;(function($) {
$.fn.reflect = function(options) {
options = $.extend({
height: 1/3,
opacity: 0.5
}, options);
return this.unreflect().each(function() {
var img = this;
if (img.tagName === 'IMG') {
function doReflect() {
var imageWidth = img.width, imageHeight = img.height, reflection, reflectionHeight, wrapper, context, gradient;
reflectionHeight = Math.floor((options.height > 1) ? Math.min(imageHeight, options.height) : imageHeight * options.height);
reflection = $("<canvas />")[0];
if (reflection.getContext) {
context = reflection.getContext("2d");
try {
$(reflection).attr({width: imageWidth, height: reflectionHeight});
context.save();
context.translate(0, imageHeight-1);
context.scale(1, -1);
context.drawImage(img, 0, 0, imageWidth, imageHeight);
context.restore();
context.globalCompositeOperation = "destination-out";
gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
gradient.addColorStop(0, "rgba(255, 255, 255, " + (1 - options.opacity) + ")");
gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
context.fillStyle = gradient;
context.rect(0, 0, imageWidth, reflectionHeight);
context.fill();
} catch(e) {
return;
}
} else {
if (!window.ActiveXObject) return;
reflection = $("<img />").attr("src", img.src).css({
width: imageWidth,
height: imageHeight,
marginBottom: reflectionHeight - imageHeight,
filter: "FlipV progid:DXImageTransform.Microsoft.Alpha(Opacity=" + (options.opacity * 100) + ", FinishOpacity=0, Style=1, StartX=0, StartY=0, FinishX=0, FinishY=" + (reflectionHeight / imageHeight * 100) + ")"
})[0];
}
$(reflection).css({display: "block", border: 0});
wrapper = $((img.parentNode.tagName === 'A') ? "<span />" : "<div />").insertAfter(img).append([img, reflection])[0];
wrapper.className = img.className;
$(img).data("reflected", wrapper.style.cssText = img.style.cssText);
$(wrapper).css({width: imageWidth, height: imageHeight + reflectionHeight, overflow: "hidden"});
img.style.cssText = "display: block; border: 0px";
img.className = "reflected";
}
if (img.complete) doReflect();
else $(img).load(doReflect);
}
});
}
$.fn.unreflect = function() {
return this.unbind("load").each(function() {
var img = this, reflected = $(this).data("reflected"), wrapper;
if (reflected !== undefined) {
wrapper = img.parentNode;
img.className = wrapper.className;
img.style.cssText = reflected;
$(img).data("reflected", null);
wrapper.parentNode.replaceChild(img, wrapper);
}
});
}
})(window.jQuery || window.Zepto);
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