2d.color.space.p3.to.p3.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/wide-gamut-canvas/2d.color.space.p3.to.p3.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

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

<title>OffscreenCanvas test: 2d.color.space.p3.to.p3</title>

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

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

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

<h1>2d.color.space.p3.to.p3</h1>

<p class="desc">test getImageData with display-p3 and uint8 from display p3 uint8 canvas</p>

<script>

var t = async_test("test getImageData with display-p3 and uint8 from display p3 uint8 canvas");

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', {colorSpace: "display-p3"});

  var color_style = 'rgb(50, 100, 150)';

  // [0.24304, 0.38818, 0.57227, 1.0] * 255 = [62, 99, 146, 255]

  var pixel_expected = [62, 99, 146, 255];

  var epsilon = 2;

  ctx.fillStyle = color_style;

  ctx.fillRect(0, 0, 10, 10);

  var pixel = ctx.getImageData(5, 5, 1, 1, {colorSpace: "display-p3", storageFormat: "uint8"}).data;

  _assertSame(pixel.length, pixel_expected.length, "pixel.length", "pixel_expected.length");

  assert_approx_equals(pixel[0], pixel_expected[0], 2);

  assert_approx_equals(pixel[1], pixel_expected[1], 2);

  assert_approx_equals(pixel[2], pixel_expected[2], 2);

  assert_approx_equals(pixel[3], pixel_expected[3], 2);

  t.done();

});

</script>