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Bug 674003. Add reftest for transparent radial gradients. r=joe

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This draws a unchanging part of the gradient on to another canvas.

--HG--
extra : rebase_source : 57de827713cac43cf117da1d4dc95a29d0007987
This commit is contained in:
Jeff Muizelaar 2011-08-05 17:10:09 -04:00
parent 1901dd355e
commit 92bd6665b1
3 changed files with 48 additions and 0 deletions
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11
layout/reftests/canvas/674003-alpha-radial-gradient-superlum-ref.html Normal file
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@ -0,0 +1,11 @@
<body bgcolor="orange">
<canvas width="300" height="300" id="testcase-canvas-dest"></canvas>
<script>
const kTransparent = "rgba(0%, 100%, 100%, 0.5)";
cx2 = document.getElementById('testcase-canvas-dest').getContext('2d');
cx2.fillStyle = kTransparent;
cx2.fillRect(0,0,100,20);
</script>
</window>

36
layout/reftests/canvas/674003-alpha-radial-gradient-superlum.html Normal file
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@ -0,0 +1,36 @@
<body bgcolor="orange">
<canvas width="300" height="300" id="testcase-canvas" style="display:none"></canvas>
<canvas width="300" height="300" id="testcase-canvas-dest"></canvas>
<script>
const kShadow = "rgba(00%, 0%, 0%, 1)";
const kTransparent = "rgba(0%, 100%, 100%, 0.5)";
var cx, g;
cx = document.getElementById('testcase-canvas').getContext('2d');
cx.fillStyle = kShadow;
cx.fillRect(100, 50, 150, 50);
g = cx.createLinearGradient(0, 50, 0, 0);
g.addColorStop(0, kShadow);
g.addColorStop(0.2, kTransparent);
g.addColorStop(1, kTransparent);
cx.fillStyle = g;
cx.fillRect(100, 0, 150, 50);
g = cx.createRadialGradient(100, 100, 50, 100, 100, 100);
g.addColorStop(0, kShadow);
g.addColorStop(0.2, kTransparent);
g.addColorStop(1, kTransparent);
cx.fillStyle = g;
cx.beginPath();
cx.arc(100, 100, 100, Math.PI * 0.5, Math.PI * 1.5);
cx.fill();
cx2 = document.getElementById('testcase-canvas-dest').getContext('2d');
// draw a chunk of the gradients from above onto testcase-canvas-dest
cx2.drawImage(document.getElementById('testcase-canvas'),45,20, 100,20 ,0,0, 100,20);
</script>
</window>

1
layout/reftests/canvas/reftest.list
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@ -66,3 +66,4 @@ fails == ctm-singular-sanity.html data:text/html,<body>Pass # Bug 612033
== ctm-1.html ctm-1-ref.html
fails-if(cocoaWidget) == 672646-alpha-radial-gradient.html 672646-alpha-radial-gradient-ref.html # Bug 673333
== 674003-alpha-radial-gradient-superlum.html 674003-alpha-radial-gradient-superlum-ref.html