mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 15:15:23 +00:00
37 lines
1.2 KiB
HTML
37 lines
1.2 KiB
HTML
<!DOCTYPE HTML>
|
|
<title>Canvas test: 2d.state.saverestore.globalCompositeOperation</title>
|
|
<script src="/MochiKit/MochiKit.js"></script>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
|
|
<body>
|
|
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
|
|
<script>
|
|
var _deferred = false;
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
MochiKit.DOM.addLoadEvent(function () {
|
|
|
|
var canvas = document.getElementById('c');
|
|
var ctx = canvas.getContext('2d');
|
|
|
|
// Test that restore() undoes any modifications
|
|
var old = ctx.globalCompositeOperation;
|
|
ctx.save();
|
|
ctx.globalCompositeOperation = "copy";
|
|
ctx.restore();
|
|
ok(ctx.globalCompositeOperation === old, "ctx.globalCompositeOperation === old");
|
|
|
|
// Also test that save() doesn't modify the values
|
|
ctx.globalCompositeOperation = "copy";
|
|
old = ctx.globalCompositeOperation;
|
|
// we're not interested in failures caused by get(set(x)) != x (e.g.
|
|
// from rounding), so compare against d instead of against "copy"
|
|
ctx.save();
|
|
ok(ctx.globalCompositeOperation === old, "ctx.globalCompositeOperation === old");
|
|
ctx.restore();
|
|
|
|
if (!_deferred) SimpleTest.finish();
|
|
});
|
|
</script>
|
|
|