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