File: 2d.text.measure.strokeTextCluster-options.tentative.html

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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>Canvas test: 2d.text.measure.strokeTextCluster-options.tentative</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">
<style>
@font-face {
  font-family: CanvasTest;
  src: url("/fonts/CanvasTest.ttf");
}
</style>
<body class="show_output">

<h1>2d.text.measure.strokeTextCluster-options.tentative</h1>
<p class="desc">Test that strokeTextCluster() correctly applies the options passed as a dictionary.</p>


<span style="font-family: CanvasTest; position: absolute; visibility: hidden">A</span>
<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="300"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
promise_test(async t => {

  var canvas = document.getElementById('c');
  var ctx = canvas.getContext('2d');

  await document.fonts.ready;

  ctx.font = '50px CanvasTest';
  ctx.textAlign = 'left';
  ctx.textBaseline = 'top';
  const text = 'E';
  const tm = ctx.measureText(text);
  const cluster = tm.getTextClusters()[0];

  // Background color.
  ctx.fillStyle = '#f00';
  ctx.fillRect(0, 0, canvas.width, canvas.height);

  ctx.strokeStyle = '#0f0';
  ctx.lineWidth = 12;

  // Override the align and baseline of the cluster.
  ctx.strokeTextCluster(cluster, 50, 50, {align: 'right', baseline: 'bottom'});
  _assertPixelApprox(canvas, 5,5, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 45,5, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 5,45, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 45,45, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 5,95, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 50,95, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 95,50, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 95,5, 255,0,0,255, 2);

  // Override the x and y values of the cluster.
  ctx.strokeTextCluster(cluster, 0, 100, {x: 10, y: 10});
  _assertPixelApprox(canvas, 15,115, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 55,115, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 15,155, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 55,155, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 1,101, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 1,151, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 51,101, 255,0,0,255, 2);

  // Override the align, baseline, x, and y values of the cluster.
  ctx.strokeTextCluster(cluster, 50, 250,
                      {align: 'right', baseline: 'bottom', x: 10,  y: 10});
  _assertPixelApprox(canvas, 15,215, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 55,215, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 15,255, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 55,255, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 5,295, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 50,295, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 95,250, 255,0,0,255, 2);
  _assertPixelApprox(canvas, 95,25, 255,0,0,255, 2);

}, "Test that strokeTextCluster() correctly applies the options passed as a dictionary.");
</script>