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
|
// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.gradient.conic.positive.rotation
// Description:Conic gradient with positive rotation
// Note:
importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");
var t = async_test("Conic gradient with positive rotation");
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');
const g = ctx.createConicGradient(3*Math.PI/2, 50, 25);
// It's red in the upper right region and green on the lower left region
g.addColorStop(0, "#f00");
g.addColorStop(0.25, "#0f0");
g.addColorStop(0.50, "#0f0");
g.addColorStop(0.75, "#f00");
ctx.fillStyle = g;
ctx.fillRect(0, 0, 100, 50);
_assertPixelApprox(canvas, 25,15, 255,0,0,255, 3);
_assertPixelApprox(canvas, 75,40, 0,255,0,255, 3);
t.done();
});
done();
|
