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| (function($){ | |
| $.fn.reflect = function(options){ | |
| var defaults = { | |
| opacity: 0.5, | |
| height: 0.5 | |
| }; | |
| options = $.extend({}, defaults, options); | |
| this.each(function(){ | |
| var $this = $(this); | |
| $image = $this.clone(true).css('display', 'block'), | |
| $container = $('<div>'), | |
| reflectionHeight = Math.floor($this.height()*options.height), | |
| reflectionWidth = $this.width(), | |
| divHeight = Math.floor($this.height()*(1+options.height)), | |
| classes = this.className.split(' '), | |
| newClasses = ''; | |
| // Fetch classes | |
| for (j=0;j<classes.length;j++) { | |
| if (classes[j] != "reflect") { | |
| if (newClasses) { | |
| newClasses += ' ' | |
| } | |
| newClasses += classes[j]; | |
| } | |
| } | |
| // Copy classes & styles to container | |
| $container[0].style.cssText = this.style.cssText; | |
| this.className = 'reflected'; | |
| $this.wrap($container.attr('class', newClasses)); | |
| // TODO: Feature detection instead | |
| // IE doesn't support canvases, so we use FlipV filter instead | |
| if ($.browser.msie) { | |
| $container.append( | |
| $image, | |
| $image.clone().css({ | |
| 'filter': 'FlipV progid:DXImageTransform.Microsoft.Alpha(opacity='+(options.opacity*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options.height*100)+')' | |
| }) | |
| ); | |
| } else { | |
| var canvas = document.createElement('canvas'); | |
| if (canvas.getContext) { | |
| var context = canvas.getContext("2d"); | |
| canvas.style.height = reflectionHeight+'px'; | |
| canvas.style.width = reflectionWidth+'px'; | |
| canvas.height = reflectionHeight; | |
| canvas.width = reflectionWidth; | |
| $container.append($image, canvas); | |
| context.save(); | |
| context.translate(0,this.height-1); | |
| context.scale(1,-1); | |
| context.drawImage(this, 0, 0, reflectionWidth, this.height); | |
| context.restore(); | |
| context.globalCompositeOperation = "destination-out"; | |
| var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight); | |
| gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)"); | |
| gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options.opacity)+")"); | |
| context.fillStyle = gradient; | |
| context.rect(0, 0, reflectionWidth, reflectionHeight*2); | |
| context.fill(); | |
| } | |
| } | |
| // Replace the original image | |
| $this.replaceWith($container); | |
| }); | |
| }; | |
| })(jQuery); | |
| $(function(){ | |
| $('.reflect').reflect(); | |
| }); |
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