зеркало из https://github.com/mozilla/gecko-dev.git
43 строки
1.0 KiB
HTML
43 строки
1.0 KiB
HTML
<!DOCTYPE HTML>
|
|
<html>
|
|
<head>
|
|
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
|
|
</head>
|
|
<body onload="doTest()">
|
|
<p id="display">
|
|
<canvas id="c" width="1" height="1"></canvas>
|
|
<img id="img" src="image_red.png">
|
|
</p>
|
|
<div id="content" style="display: none">
|
|
|
|
</div>
|
|
<pre id="test">
|
|
<script type="application/javascript">
|
|
|
|
var c = document.getElementById("c");
|
|
var ctx = c.getContext("2d");
|
|
var img = document.getElementById("img");
|
|
|
|
SimpleTest.waitForExplicitFinish();
|
|
|
|
function doTest() {
|
|
ctx.drawImage(img, 0, 0);
|
|
img.src = "image_green-1x1.png";
|
|
img.onload = function() {
|
|
ctx.drawImage(img, 0, 0);
|
|
var data = ctx.getImageData(0, 0, 1, 1).data;
|
|
is(data[0], 0, "Red channel should be 0");
|
|
is(data[1], 255, "Green channel should be 1.0");
|
|
is(data[2], 0, "Blue channel should be 0")
|
|
is(data[3], 255, "Alpha channel should be opaque");
|
|
|
|
SimpleTest.finish();
|
|
}
|
|
}
|
|
|
|
</script>
|
|
</pre>
|
|
</body>
|
|
</html>
|