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
|
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<link rel="match" href="2d.layer.opaque-canvas-expected.html">
<title>Canvas test: 2d.layer.opaque-canvas</title>
<h1>2d.layer.opaque-canvas</h1>
<p class="desc">Checks that layer blending works inside opaque canvas</p>
<canvas id="canvas" width="300" height="300">
<p class="fallback">FAIL (fallback content)</p>
</canvas>
<script>
const canvas = document.getElementById("canvas");
const ctx = canvas.getContext('2d');
const canvas2 = document.createElement('canvas');
canvas2.width = 200;
canvas2.height = 200;
const ctx2 = canvas2.getContext('2d', {alpha: false});
ctx2.fillStyle = 'purple';
ctx2.fillRect(10, 10, 100, 100);
ctx2.beginLayer({filter: {name: 'dropShadow', dx: -10, dy: 10,
stdDeviation: 0,
floodColor: 'rgba(200, 100, 50, 0.5)'}});
ctx2.fillStyle = 'green';
ctx2.fillRect(50, 50, 100, 100);
ctx2.globalAlpha = 0.8;
ctx2.fillStyle = 'yellow';
ctx2.fillRect(75, 25, 100, 100);
ctx2.endLayer();
ctx.fillStyle = 'blue';
ctx.fillRect(0, 0, 300, 300);
ctx.drawImage(canvas2, 0, 0);
</script>
|
