blob: ff0eebe2e043c77beb0a5ea98d465b091ec6b33e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
<body>
<svg style="display:none">>
<filter id="base">
<feTurbulence baseFrequency="0.025"/>
</filter>
<filter id="base2d">
<feTurbulence baseFrequency="0.025, 0.1"/>
</filter>
<filter id="highFrequency">
<feTurbulence baseFrequency="0.05"/>
</filter>
<filter id="seed">
<feTurbulence baseFrequency="0.025" seed="100"/>
</filter>
<filter id="numOctaves">
<feTurbulence baseFrequency="0.025" numOctaves="2"/>
</filter>
<filter id="empty">
<feTurbulence/>
</filter>
<filter id="fractalNoise">
<feTurbulence baseFrequency="0.025" type="fractalNoise"/>
</filter>
<filter id="stitchTiles">
<feTurbulence baseFrequency="0.025" stitchTiles="noStitch"/>
</filter>
</body>
<script>
testCases = document.getElementsByTagName("filter");
for (tc of testCases) {
const canvas = document.createElement("canvas");
document.body.appendChild(canvas);
const ctx = canvas.getContext("2d");
ctx.filter = `url(#${tc.id})`;
ctx.fillRect(0, 0, 1, 1);
}
</script>
|
