testing/web-platform/tests/html/canvas/offscreen/shadows/2d.shadow.outside.html

   1 <!DOCTYPE html>
   2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
   3 <title>OffscreenCanvas test: 2d.shadow.outside</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
   8 <h1>2d.shadow.outside</h1>
   9 <p class="desc">Shadows of shapes outside the visible area can be offset onto the visible area</p>
  10
  11
  12 <script>
  13 var t = async_test("Shadows of shapes outside the visible area can be offset onto the visible area");
  14 var t_pass = t.done.bind(t);
  15 var t_fail = t.step_func(function(reason) {
  16     throw reason;
  17 });
  18 t.step(function() {
  19
  20 var canvas = new OffscreenCanvas(100, 50);
  21 var ctx = canvas.getContext('2d');
  22
  23 ctx.fillStyle = '#f00';
  24 ctx.fillRect(0, 0, 100, 50);
  25 ctx.shadowColor = '#0f0';
  26 ctx.shadowOffsetX = 100;
  27 ctx.fillRect(-100, 0, 25, 50);
  28 ctx.shadowOffsetX = -100;
  29 ctx.fillRect(175, 0, 25, 50);
  30 ctx.shadowOffsetX = 0;
  31 ctx.shadowOffsetY = 100;
  32 ctx.fillRect(25, -100, 50, 25);
  33 ctx.shadowOffsetY = -100;
  34 ctx.fillRect(25, 125, 50, 25);
  35 _assertPixel(canvas, 12,25, 0,255,0,255);
  36 _assertPixel(canvas, 87,25, 0,255,0,255);
  37 _assertPixel(canvas, 50,12, 0,255,0,255);
  38 _assertPixel(canvas, 50,37, 0,255,0,255);
  39 t.done();
  40
  41 });
  42 </script>