Content - 6220e7c54fcc6609255caa37a478250eac5475d4 - 92c79e7/offscreen-canvas/path-objects/2d.path.stroke.skew.html

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Tip revision: 37c5bea47ddc518b83a755f619ef4d77809ff881 authored by Philip Jägenstedt on 29 March 2018, 09:56:53 UTC
Document useful arguments for `wpt run chrome`

Tip revision: 37c5bea

2d.path.stroke.skew.html

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

<h1>2d.path.stroke.skew</h1>
<p class="desc">Strokes lines are skewed by the current transformation matrix</p>


<script>
var t = async_test("Strokes lines are skewed by the current transformation matrix");
t.step(function() {

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

ctx.fillStyle = '#f00';
ctx.fillRect(0, 0, 100, 50);
ctx.save();
ctx.beginPath();
ctx.moveTo(49, -50);
ctx.lineTo(201, -50);
ctx.rotate(Math.PI/4);
ctx.scale(1, 283);
ctx.strokeStyle = '#0f0';
ctx.stroke();
ctx.restore();
ctx.save();
ctx.beginPath();
ctx.translate(-150, 0);
ctx.moveTo(49, -50);
ctx.lineTo(199, -50);
ctx.rotate(Math.PI/4);
ctx.scale(1, 142);
ctx.strokeStyle = '#f00';
ctx.stroke();
ctx.restore();
ctx.save();
ctx.beginPath();
ctx.translate(-150, 0);
ctx.moveTo(49, -50);
ctx.lineTo(199, -50);
ctx.rotate(Math.PI/4);
ctx.scale(1, 142);
ctx.strokeStyle = '#f00';
ctx.stroke();
ctx.restore();
_assertPixel(offscreenCanvas, 0,0, 0,255,0,255, "0,0", "0,255,0,255");
_assertPixel(offscreenCanvas, 50,0, 0,255,0,255, "50,0", "0,255,0,255");
_assertPixel(offscreenCanvas, 99,0, 0,255,0,255, "99,0", "0,255,0,255");
_assertPixel(offscreenCanvas, 0,25, 0,255,0,255, "0,25", "0,255,0,255");
_assertPixel(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255");
_assertPixel(offscreenCanvas, 99,25, 0,255,0,255, "99,25", "0,255,0,255");
_assertPixel(offscreenCanvas, 0,49, 0,255,0,255, "0,49", "0,255,0,255");
_assertPixel(offscreenCanvas, 50,49, 0,255,0,255, "50,49", "0,255,0,255");
_assertPixel(offscreenCanvas, 99,49, 0,255,0,255, "99,49", "0,255,0,255");

t.done();

});
</script>

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