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
38
|
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.drawImage.5arg</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.drawImage.5arg</h1>
<p class="desc"></p>
<script>
promise_test(async t => {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
const response_red = await fetch('/images/red.png');
const blob_red = await response_red.blob();
const bitmap_red = await createImageBitmap(blob_red);
const response_green = await fetch('/images/green.png');
const blob_green = await response_green.blob();
const bitmap_green = await createImageBitmap(blob_green);
ctx.drawImage(bitmap_green, 50, 0, 50, 50);
ctx.drawImage(bitmap_red, 0, 0, 50, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 50, 50);
_assertPixelApprox(canvas, 0,0, 0,255,0,255, 2);
_assertPixelApprox(canvas, 99,0, 0,255,0,255, 2);
_assertPixelApprox(canvas, 0,49, 0,255,0,255, 2);
_assertPixelApprox(canvas, 99,49, 0,255,0,255, 2);
}, "");
</script>
|