File: 2d.gradient.interpolate.overlap2.html

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<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>OffscreenCanvas test: 2d.gradient.interpolate.overlap2</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>

<h1>2d.gradient.interpolate.overlap2</h1>
<p class="desc"></p>


<script>
var t = async_test("");
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');

  var g = ctx.createLinearGradient(0, 0, 100, 0);
  var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ];
  for (var p = 0; p < ps.length; ++p)
  {
          g.addColorStop(ps[p], '#0f0');
          for (var i = 0; i < 15; ++i)
                  g.addColorStop(ps[p], '#f00');
          g.addColorStop(ps[p], '#0f0');
  }
  ctx.fillStyle = g;
  ctx.fillRect(0, 0, 100, 50);
  _assertPixel(canvas, 1,25, 0,255,0,255);
  _assertPixel(canvas, 30,25, 0,255,0,255);
  _assertPixel(canvas, 40,25, 0,255,0,255);
  _assertPixel(canvas, 60,25, 0,255,0,255);
  _assertPixel(canvas, 80,25, 0,255,0,255);
  t.done();

});
</script>