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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-1.9.1.js"></script> |
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<script src="../../ui/jquery.ui.effect.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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$( "<div>" ).text( |
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"Your browser doesn't support canvas, which is required for this demo." |
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).appendTo( "#graphs" ); |
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return; |
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} |
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|
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var i = 0, |
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width = 100, |
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height = 100; |
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|
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$.each( $.easing, function( name, impl ) { |
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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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wrap = $( "<div>" ).appendTo( graph ).css( 'overflow', 'hidden' ), |
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canvas = $( "<canvas>" ).appendTo( wrap )[ 0 ]; |
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|
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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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|
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// draw background |
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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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|
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// draw bottom line |
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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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|
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// draw top line |
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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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|
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// plot easing |
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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 state = position / width, |
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val = impl( state, position, 0, 1, width ); |
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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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|
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// animate on click |
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graph.click(function() { |
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wrap |
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.animate( { height: "hide" }, 2000, name ) |
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.delay( 800 ) |
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.animate( { height: "show" }, 2000, name ); |
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}); |
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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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|
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<div id="graphs"></div> |
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|
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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> |
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</body> |
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</html> |
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