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Bug 1304353 - part 3 - Add reftests for use of globalAlpha with canvas text drawing. r=bas

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This commit is contained in:
Jonathan Kew 2016-09-23 13:38:06 +01:00
parent 7891206f28
commit 29ea45e195
5 changed files with 157 additions and 0 deletions
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39
layout/reftests/canvas/1304353-text-global-alpha-1-ref.html Normal file
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@ -0,0 +1,39 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function do_test() {
var canvas = document.getElementById("test");
var ctx = canvas.getContext("2d");
var g = ctx.createLinearGradient(0, 0, canvas.width, canvas.height);
g.addColorStop(0, "red");
g.addColorStop(1, "green");
ctx.fillStyle = g;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = "white";
ctx.font = "bold 24px sans-serif";
ctx.fillText('globalAlpha = 1.0', 20, 40);
// for reference, use a fill color with alpha instead of global alpha
ctx.fillStyle = "rgba(255, 255, 255, 0.5)";
ctx.fillText('globalAlpha = 0.5', 20, 80);
ctx.fillStyle = "rgba(255, 255, 255, 0.2)";
ctx.fillText('globalAlpha = 0.2', 20, 120);
};
</script>
</head>
<body onload="do_test()">
<canvas id="test"></canvas>
</body>
</html>

38
layout/reftests/canvas/1304353-text-global-alpha-1.html Normal file
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function do_test() {
var canvas = document.getElementById("test");
var ctx = canvas.getContext("2d");
var g = ctx.createLinearGradient(0, 0, canvas.width, canvas.height);
g.addColorStop(0, "red");
g.addColorStop(1, "green");
ctx.fillStyle = g;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.fillStyle = "white";
ctx.font = "bold 24px sans-serif";
ctx.fillText('globalAlpha = 1.0', 20, 40);
ctx.globalAlpha = 0.5;
ctx.fillText('globalAlpha = 0.5', 20, 80);
ctx.globalAlpha = 0.2;
ctx.fillText('globalAlpha = 0.2', 20, 120);
};
</script>
</head>
<body onload="do_test()">
<canvas id="test"></canvas>
</body>
</html>

39
layout/reftests/canvas/1304353-text-global-alpha-2-ref.html Normal file
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@ -0,0 +1,39 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function do_test() {
var canvas = document.getElementById("test");
var ctx = canvas.getContext("2d");
var g = ctx.createLinearGradient(0, 0, canvas.width, canvas.height);
g.addColorStop(0, "red");
g.addColorStop(1, "green");
ctx.fillStyle = g;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.strokeStyle = "white";
ctx.font = "bold 24px sans-serif";
ctx.strokeText('globalAlpha = 1.0', 20, 40);
// for reference, use a stroke color with alpha instead of global alpha
ctx.strokeStyle = "rgba(255, 255, 255, 0.5)";
ctx.strokeText('globalAlpha = 0.5', 20, 80);
ctx.strokeStyle = "rgba(255, 255, 255, 0.2)";
ctx.strokeText('globalAlpha = 0.2', 20, 120);
};
</script>
</head>
<body onload="do_test()">
<canvas id="test"></canvas>
</body>
</html>

38
layout/reftests/canvas/1304353-text-global-alpha-2.html Normal file
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@ -0,0 +1,38 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function do_test() {
var canvas = document.getElementById("test");
var ctx = canvas.getContext("2d");
var g = ctx.createLinearGradient(0, 0, canvas.width, canvas.height);
g.addColorStop(0, "red");
g.addColorStop(1, "green");
ctx.fillStyle = g;
ctx.fillRect(0, 0, canvas.width, canvas.height);
ctx.strokeStyle = "white";
ctx.font = "bold 24px sans-serif";
ctx.strokeText('globalAlpha = 1.0', 20, 40);
ctx.globalAlpha = 0.5;
ctx.strokeText('globalAlpha = 0.5', 20, 80);
ctx.globalAlpha = 0.2;
ctx.strokeText('globalAlpha = 0.2', 20, 120);
};
</script>
</head>
<body onload="do_test()">
<canvas id="test"></canvas>
</body>
</html>

3
layout/reftests/canvas/reftest.list
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@ -106,3 +106,6 @@ fuzzy-if(Mulet,45,2) == 1107096-invisibles.html 1107096-invisibles-ref.html
== 1201272-1.html 1201272-1-ref.html
== 1224976-1.html 1224976-1-ref.html
== 1238795-1.html 1238795-1-ref.html
== 1304353-text-global-alpha-1.html 1304353-text-global-alpha-1-ref.html
== 1304353-text-global-alpha-2.html 1304353-text-global-alpha-2-ref.html