2d.line.join.miter.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/line-styles/2d.line.join.miter.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<meta charset="UTF-8">

<title>OffscreenCanvas test: 2d.line.join.miter</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.line.join.miter</h1>

<p class="desc">lineJoin 'miter' is rendered correctly</p>

<script>

var t = async_test("lineJoin 'miter' is rendered correctly");

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.lineJoin = 'miter';

  ctx.lineWidth = 20;

  ctx.fillStyle = '#f00';

  ctx.strokeStyle = '#0f0';

  ctx.fillStyle = '#f00';

  ctx.strokeStyle = '#0f0';

  ctx.fillRect(10, 10, 30, 20);

  ctx.fillRect(20, 10, 20, 30);

  ctx.beginPath();

  ctx.moveTo(10, 20);

  ctx.lineTo(30, 20);

  ctx.lineTo(30, 40);

  ctx.stroke();

  ctx.fillStyle = '#0f0';

  ctx.strokeStyle = '#f00';

  ctx.beginPath();

  ctx.moveTo(60, 20);

  ctx.lineTo(80, 20);

  ctx.lineTo(80, 40);

  ctx.stroke();

  ctx.fillRect(60, 10, 30, 20);

  ctx.fillRect(70, 10, 20, 30);

  _assertPixel(canvas, 38,12, 0,255,0,255);

  _assertPixel(canvas, 39,11, 0,255,0,255);

  _assertPixel(canvas, 40,10, 0,255,0,255);

  _assertPixel(canvas, 41,9, 0,255,0,255);

  _assertPixel(canvas, 42,8, 0,255,0,255);

  _assertPixel(canvas, 88,12, 0,255,0,255);

  _assertPixel(canvas, 89,11, 0,255,0,255);

  _assertPixel(canvas, 90,10, 0,255,0,255);

  _assertPixel(canvas, 91,9, 0,255,0,255);

  _assertPixel(canvas, 92,8, 0,255,0,255);

  t.done();

});

</script>