Source code

Revision control

Copy as Markdown

Other Tools

Test Info:

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.composite.clip.clear</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.composite.clip.clear</h1>
<p class="desc">fill() does not affect pixels outside the clip region.</p>
<script>
var t = async_test("fill() does not affect pixels outside the clip region.");
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');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'clear';
ctx.rect(-20, -20, 10, 10);
ctx.clip();
ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 50, 50);
_assertPixel(canvas, 25,25, 0,255,0,255);
_assertPixel(canvas, 75,25, 0,255,0,255);
t.done();
});
</script>