Content - ba525ce239c72203aee657aa94259a66074adbc1 - 5d080eb/offscreen-canvas/drawing-rectangles-to-the-canvas/2d.fillRect.negative.html

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Tip revision: 829648dee8a4ea94b40c75e1b270b8ed9611bbd3 authored by Liam Quin on 25 June 2018, 19:13:57 UTC
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Tip revision: 829648d

2d.fillRect.negative.html

<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.fillRect.negative</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/canvas-tests.js"></script>

<h1>2d.fillRect.negative</h1>
<p class="desc">fillRect of negative sizes works</p>


<script>
var t = async_test("fillRect of negative sizes works");
t.step(function() {

var offscreenCanvas = new OffscreenCanvas(100, 50);
var ctx = offscreenCanvas.getContext('2d');

ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 50, 25);
ctx.fillRect(100, 0, -50, 25);
ctx.fillRect(0, 50, 50, -25);
ctx.fillRect(100, 50, -50, -25);
_assertPixel(offscreenCanvas, 25,12, 0,255,0,255, "25,12", "0,255,0,255");
_assertPixel(offscreenCanvas, 75,12, 0,255,0,255, "75,12", "0,255,0,255");
_assertPixel(offscreenCanvas, 25,37, 0,255,0,255, "25,37", "0,255,0,255");
_assertPixel(offscreenCanvas, 75,37, 0,255,0,255, "75,37", "0,255,0,255");

t.done();

});
</script>

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