testing/web-platform/tests/html/canvas/element/fill-and-stroke-styles/2d.pattern.modify.image1.html

   1 <!DOCTYPE html>
   2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
   3 <title>Canvas test: 2d.pattern.modify.image1</title>
   4 <script src="/resources/testharness.js"></script>
   5 <script src="/resources/testharnessreport.js"></script>
   6 <script src="/html/canvas/resources/canvas-tests.js"></script>
   7 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
   8 <body class="show_output">
   9
  10 <h1>2d.pattern.modify.image1</h1>
  11 <p class="desc"></p>
  12
  13
  14 <p class="output">Actual output:</p>
  15 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
  16 <p class="output expectedtext">Expected output:<p><img src="/images/green-100x50.png" class="output expected" id="expected" alt="">
  17 <ul id="d"></ul>
  18 <script>
  19 var t = async_test("");
  20 _addTest(function(canvas, ctx) {
  21
  22 var img = document.getElementById('green.png');
  23 var pattern = ctx.createPattern(img, 'no-repeat');
  24 deferTest();
  25 img.onload = t.step_func_done(function ()
  26 {
  27     ctx.fillStyle = pattern;
  28     ctx.fillRect(0, 0, 100, 50);
  29
  30     _assertPixel(canvas, 1,1, 0,255,0,255);
  31     _assertPixel(canvas, 98,1, 0,255,0,255);
  32     _assertPixel(canvas, 1,48, 0,255,0,255);
  33     _assertPixel(canvas, 98,48, 0,255,0,255);
  34 });
  35 img.src = '/images/red.png';
  36
  37
  38 });
  39 </script>
  40 <img src="/images/green.png" id="green.png" class="resource">
  41