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.imageData.get.source.size</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<h1>2d.imageData.get.source.size</h1>
<p class="desc">getImageData() returns bigger ImageData for bigger source rectangle</p>
<script>
var t = async_test("getImageData() returns bigger ImageData for bigger source rectangle");
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 imgdata1 = ctx.getImageData(0, 0, 10, 10);
var imgdata2 = ctx.getImageData(0, 0, 20, 20);
_assert(imgdata2.width > imgdata1.width, "imgdata2.width > imgdata1.width");
_assert(imgdata2.height > imgdata1.height, "imgdata2.height > imgdata1.height");
t.done();
});
</script>