2d.text.measure.text-clusters-rendering-options.tentative.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/text/2d.text.measure.text-clusters-rendering-options.tentative.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.text.measure.text-clusters-rendering-options.tentative</title>

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

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

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

<h1>2d.text.measure.text-clusters-rendering-options.tentative</h1>

<p class="desc">Test that fillTextCluster() correctly applies the options passed as a dictionary.</p>

<script>

promise_test(async t => {

  var canvas = new OffscreenCanvas(100, 300);

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

  var f = new FontFace("CanvasTest", "url('/fonts/CanvasTest.ttf')");

  f.load();

  document.fonts.add(f);

  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.fillStyle = '#0f0';

  // Override the align and baseline of the cluster.

  ctx.fillTextCluster(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, 55,5, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 5,55, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 5,55, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 55,55, 255,0,0,255, 2);

  // Override the x and y values of the cluster.

  ctx.fillTextCluster(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, 65,115, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 15,165, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 65,165, 255,0,0,255, 2);

  // Override the align, baseline, x, and y values of the cluster.

  ctx.fillTextCluster(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, 65,215, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 15,265, 255,0,0,255, 2);

  _assertPixelApprox(canvas, 65,265, 255,0,0,255, 2);

}, "Test that fillTextCluster() correctly applies the options passed as a dictionary.");

</script>