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
39
40
41
42
|
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.gradient.interpolate.overlap2</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.gradient.interpolate.overlap2</h1>
<p class="desc"></p>
<script>
var t = async_test("");
var t_pass = t.done.bind(t);
var t_fail = t.step_func(function(reason) {
throw reason;
});
t.step(function() {
var canvas = new OffscreenCanvas(100, 50);
var ctx = canvas.getContext('2d');
var g = ctx.createLinearGradient(0, 0, 100, 0);
var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ];
for (var p = 0; p < ps.length; ++p)
{
g.addColorStop(ps[p], '#0f0');
for (var i = 0; i < 15; ++i)
g.addColorStop(ps[p], '#f00');
g.addColorStop(ps[p], '#0f0');
}
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
_assertPixel(canvas, 1,25, 0,255,0,255);
_assertPixel(canvas, 30,25, 0,255,0,255);
_assertPixel(canvas, 40,25, 0,255,0,255);
_assertPixel(canvas, 60,25, 0,255,0,255);
_assertPixel(canvas, 80,25, 0,255,0,255);
t.done();
});
</script>
|
