1
|
<!DOCTYPE html>
|
2
|
<html lang="en">
|
3
|
<head>
|
4
|
<meta charset="utf-8">
|
5
|
<title>jQuery UI Effects - Easing demo</title>
|
6
|
<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
|
7
|
<script src="../../jquery-1.4.3.js"></script>
|
8
|
<script src="../../ui/jquery.effects.core.js"></script>
|
9
|
<link rel="stylesheet" href="../demos.css">
|
10
|
<style>
|
11
|
.graph {
|
12
|
float: left;
|
13
|
margin-left: 10px;
|
14
|
}
|
15
|
</style>
|
16
|
<script>
|
17
|
$(function() {
|
18
|
if ( !$( "<canvas/>" )[0].getContext ) {
|
19
|
$( "<div/>" ).text(
|
20
|
"Your browser doesn't support canvas, which is required for this demo. " +
|
21
|
"Give Firefox 3 a try!"
|
22
|
).appendTo( "#graphs" );
|
23
|
return;
|
24
|
}
|
25
|
|
26
|
var i = 0,
|
27
|
width = 100,
|
28
|
height = 100;
|
29
|
$.each( $.easing, function( name, impl ) {
|
30
|
// skip linear/jswing and any non functioning implementation
|
31
|
if ( !$.isFunction( impl ) || /jswing/.test( name ) ) {
|
32
|
return;
|
33
|
}
|
34
|
var graph = $( "<div/>" ).addClass( "graph" ).appendTo( "#graphs" ),
|
35
|
text = $( "<div/>" ).text( ++i + ". " + name ).appendTo( graph ),
|
36
|
canvas = $( "<canvas/>" ).appendTo( graph )[ 0 ];
|
37
|
canvas.width = width;
|
38
|
canvas.height = height;
|
39
|
var drawHeight = height * 0.8,
|
40
|
cradius = 10;
|
41
|
ctx = canvas.getContext( "2d" );
|
42
|
ctx.fillStyle = "black";
|
43
|
|
44
|
ctx.beginPath();
|
45
|
ctx.moveTo( cradius, 0 );
|
46
|
ctx.quadraticCurveTo( 0, 0, 0, cradius );
|
47
|
ctx.lineTo( 0, height - cradius );
|
48
|
ctx.quadraticCurveTo( 0, height, cradius, height );
|
49
|
ctx.lineTo( width - cradius, height );
|
50
|
ctx.quadraticCurveTo( width, height, width, height - cradius );
|
51
|
ctx.lineTo( width, 0 );
|
52
|
ctx.lineTo( cradius, 0 );
|
53
|
ctx.fill();
|
54
|
|
55
|
ctx.strokeStyle = "#555";
|
56
|
ctx.beginPath();
|
57
|
ctx.moveTo( width * 0.1, drawHeight + .5 );
|
58
|
ctx.lineTo( width * 0.9, drawHeight + .5 );
|
59
|
ctx.stroke();
|
60
|
|
61
|
ctx.strokeStyle = "#555";
|
62
|
ctx.beginPath();
|
63
|
ctx.moveTo( width * 0.1, drawHeight * .3 - .5 );
|
64
|
ctx.lineTo( width * 0.9, drawHeight * .3 - .5 );
|
65
|
ctx.stroke();
|
66
|
|
67
|
ctx.strokeStyle = "white";
|
68
|
ctx.beginPath();
|
69
|
ctx.lineWidth = 2;
|
70
|
ctx.moveTo( width * 0.1, drawHeight );
|
71
|
$.each( new Array( width ), function( position ) {
|
72
|
var val = impl( 0, position, 0, 1, height );
|
73
|
if ( /linear|jswing/.test( name ) ) {
|
74
|
val = position / width;
|
75
|
}
|
76
|
ctx.lineTo( position * 0.8 + width * 0.1,
|
77
|
drawHeight - drawHeight * val * 0.7 );
|
78
|
});
|
79
|
ctx.stroke();
|
80
|
graph.click(function() {
|
81
|
$( canvas )
|
82
|
.animate( { height: "hide" }, 2000, name )
|
83
|
.animate( { left: 0 }, 800 )
|
84
|
.animate( { height: "show" }, 2000, name );
|
85
|
});
|
86
|
|
87
|
graph.width( width ).height( height + text.height() + 10 );
|
88
|
});
|
89
|
});
|
90
|
</script>
|
91
|
</head>
|
92
|
<body>
|
93
|
|
94
|
<div class="demo">
|
95
|
|
96
|
<div id="graphs"></div>
|
97
|
|
98
|
</div><!-- End demo -->
|
99
|
|
100
|
|
101
|
|
102
|
<div class="demo-description">
|
103
|
<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>
|
104
|
</div><!-- End demo-description -->
|
105
|
|
106
|
</body>
|
107
|
</html>
|