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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>jQuery UI Effects - Easing demo</title>
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<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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<script src="../../jquery-1.4.2.js"></script>
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<script src="../../ui/jquery.effects.core.js"></script>
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<link rel="stylesheet" href="../demos.css">
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<style>
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.graph {
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float: left;
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margin-left: 10px;
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}
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</style>
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<script>
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$(function() {
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if ( !$( "<canvas/>" )[0].getContext ) {
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$( "<div/>" ).text(
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"Your browser doesn't support canvas, which is required for this demo. " +
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"Give Firefox 3 a try!"
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).appendTo( "#graphs" );
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return;
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}
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var i = 0,
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width = 100,
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height = 100;
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$.each( $.easing, function( name, impl ) {
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// skip linear/jswing and any non functioning implementation
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if ( !$.isFunction( impl ) || /jswing/.test( name ) ) {
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return;
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}
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var graph = $( "<div/>" ).addClass( "graph" ).appendTo( "#graphs" ),
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text = $( "<div/>" ).text( ++i + ". " + name ).appendTo( graph ),
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canvas = $( "<canvas/>" ).appendTo( graph )[ 0 ];
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canvas.width = width;
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canvas.height = height;
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var drawHeight = height * 0.8,
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cradius = 10;
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ctx = canvas.getContext( "2d" );
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ctx.fillStyle = "black";
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ctx.beginPath();
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ctx.moveTo( cradius, 0 );
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ctx.quadraticCurveTo( 0, 0, 0, cradius );
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ctx.lineTo( 0, height - cradius );
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ctx.quadraticCurveTo( 0, height, cradius, height );
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ctx.lineTo( width - cradius, height );
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ctx.quadraticCurveTo( width, height, width, height - cradius );
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ctx.lineTo( width, 0 );
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ctx.lineTo( cradius, 0 );
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ctx.fill();
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ctx.strokeStyle = "#555";
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ctx.beginPath();
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ctx.moveTo( width * 0.1, drawHeight + .5 );
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ctx.lineTo( width * 0.9, drawHeight + .5 );
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ctx.stroke();
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ctx.strokeStyle = "#555";
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ctx.beginPath();
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ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
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ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
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ctx.stroke();
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ctx.strokeStyle = "white";
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ctx.beginPath();
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ctx.lineWidth = 2;
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ctx.moveTo( width * 0.1, drawHeight );
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$.each( new Array( width ), function( position ) {
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var val = impl( 0, position, 0, 1, height );
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if ( /linear|jswing/.test( name ) ) {
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val = position / width;
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}
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ctx.lineTo( position * 0.8 + width * 0.1,
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drawHeight - drawHeight * val * 0.7 );
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});
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ctx.stroke();
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graph.click(function() {
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$( canvas )
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.animate( { height: "hide" }, 2000, name )
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.animate( { left: 0 }, 800 )
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.animate( { height: "show" }, 2000, name );
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});
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graph.width( width ).height( height + text.height() + 10 );
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});
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});
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</script>
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</head>
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<body>
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<div class="demo">
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<div id="graphs"></div>
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</div><!-- End demo -->
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<div class="demo-description">
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<p><strong>All easings provided by jQuery UI are drawn above, using a HTML canvas element</strong>. Click a diagram to see the easing in action.</p>
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</div><!-- End demo-description -->
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</body>
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</html>
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