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