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
|
// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.drawImage.3arg
// Description:
// Note:
importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");
promise_test(async t => {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
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, 0, 0);
ctx.drawImage(bitmap_red, -100, 0);
ctx.drawImage(bitmap_red, 100, 0);
ctx.drawImage(bitmap_red, 0, -50);
ctx.drawImage(bitmap_red, 0, 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);
}, "");
done();
|