2d.line.join.round.html

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

<!DOCTYPE html>

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

<title>Canvas test: 2d.line.join.round</title>

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

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

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

<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">

<body class="show_output">

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

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

<p class="output">Actual output:</p>

<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">

<ul id="d"></ul>

<script>

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

_addTest(function(canvas, ctx) {

  ctx.fillStyle = '#0f0';

  ctx.fillRect(0, 0, 100, 50);

  var tol = 1; // tolerance to avoid antialiasing artifacts

  ctx.lineJoin = 'round';

  ctx.lineWidth = 20;

  ctx.fillStyle = '#f00';

  ctx.strokeStyle = '#0f0';

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

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

  ctx.beginPath();

  ctx.moveTo(30, 20);

  ctx.arc(30, 20, 10-tol, 0, 2*Math.PI, true);

  ctx.fill();

  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, 20, 20);

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

  ctx.beginPath();

  ctx.moveTo(80, 20);

  ctx.arc(80, 20, 10+tol, 0, 2*Math.PI, true);

  ctx.fill();

  _assertPixel(canvas, 36,14, 0,255,0,255);

  _assertPixel(canvas, 36,13, 0,255,0,255);

  _assertPixel(canvas, 37,13, 0,255,0,255);

  _assertPixel(canvas, 38,13, 0,255,0,255);

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

  _assertPixel(canvas, 86,14, 0,255,0,255);

  _assertPixel(canvas, 86,13, 0,255,0,255);

  _assertPixel(canvas, 87,13, 0,255,0,255);

  _assertPixel(canvas, 88,13, 0,255,0,255);

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

});

</script>