testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.put.clip.html
author Gabriel Luong <gabriel.luong@gmail.com>
Sun, 13 Jul 2025 02:28:40 +0000 (17 hours ago)
changeset 796385 23185ed855a5b168943bde8ebe8ec946cd83f675
parent 752939 1996e4a4973941fa87e76e5646d5bb0088c0de84
permissions -rw-r--r--
Bug 1972159 - Part 25: Enable Compose Homepage by default and remove associated settings and Nimbus flags r=android-reviewers,devota Differential Revision: https://phabricator.services.mozilla.com/D254598
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<meta charset="UTF-8">
<title>Canvas test: 2d.imageData.put.clip</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.imageData.put.clip</h1>
<p class="desc">putImageData() is not affected by clipping regions</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("putImageData() is not affected by clipping regions");
_addTest(function(canvas, ctx) {

  ctx.fillStyle = '#0f0';
  ctx.fillRect(0, 0, 100, 50)
  var imgdata = ctx.getImageData(0, 0, 100, 50);
  ctx.fillStyle = '#f00';
  ctx.fillRect(0, 0, 100, 50)
  ctx.beginPath();
  ctx.rect(0, 0, 50, 50);
  ctx.clip();
  ctx.putImageData(imgdata, 0, 0);
  _assertPixelApprox(canvas, 25,25, 0,255,0,255, 2);
  _assertPixelApprox(canvas, 75,25, 0,255,0,255, 2);

});
</script>