1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
<!DOCTYPE HTML>
<title>Canvas test: mozGetAsFile</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
function compareAsync(file, canvas, type, callback)
{
var reader = new FileReader();
reader.onload =
function(e) {
is(e.target.result, canvas.toDataURL(type),
"<canvas>.mozGetAsFile().getAsDataURL() should equal <canvas>.toDataURL()");
callback(canvas);
};
reader.readAsDataURL(file);
}
function test1(canvas)
{
var pngfile = canvas.mozGetAsFile("foo.png");
is(pngfile.type, "image/png", "Default type for mozGetAsFile should be PNG");
compareAsync(pngfile, canvas, "image/png", test2);
is(pngfile.name, "foo.png", "File name should be what we passed in");
}
function test2(canvas)
{
var jpegfile = canvas.mozGetAsFile("bar.jpg", "image/jpeg");
is(jpegfile.type, "image/jpeg",
"When a valid type is specified that should be returned");
compareAsync(jpegfile, canvas, "image/jpeg", SimpleTest.finish);
is(jpegfile.name, "bar.jpg", "File name should be what we passed in");
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.drawImage(document.getElementById('yellow75.png'), 0, 0);
test1(canvas);
});
</script>
<img src="image_yellow75.png" id="yellow75.png" class="resource">
|
