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1 <!DOCTYPE html> | |
2 <!-- DO NOT EDIT! This test has been generated by tools/gentest.py. --> | |
3 <title>OffscreenCanvas test: 2d.imageData.get.source.outside</title> | |
4 <script src="/resources/testharness.js"></script> | |
5 <script src="/resources/testharnessreport.js"></script> | |
6 <script src="/common/canvas-tests.js"></script> | |
7 | |
8 <h1>2d.imageData.get.source.outside</h1> | |
9 <p class="desc">getImageData() returns transparent black outside the canvas</p> | |
10 | |
11 | |
12 <script> | |
13 var t = async_test("getImageData() returns transparent black outside the canvas"
); | |
14 t.step(function() { | |
15 | |
16 var offscreenCanvas = new OffscreenCanvas(100, 50); | |
17 var ctx = offscreenCanvas.getContext('2d'); | |
18 | |
19 ctx.fillStyle = '#08f'; | |
20 ctx.fillRect(0, 0, 100, 50); | |
21 var imgdata1 = ctx.getImageData(-10, 5, 1, 1); | |
22 _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0"); | |
23 _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0"); | |
24 _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0"); | |
25 _assertSame(imgdata1.data[3], 0, "imgdata1.data[\""+(3)+"\"]", "0"); | |
26 var imgdata2 = ctx.getImageData(10, -5, 1, 1); | |
27 _assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0"); | |
28 _assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0"); | |
29 _assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0"); | |
30 _assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0"); | |
31 var imgdata3 = ctx.getImageData(200, 5, 1, 1); | |
32 _assertSame(imgdata3.data[0], 0, "imgdata3.data[\""+(0)+"\"]", "0"); | |
33 _assertSame(imgdata3.data[1], 0, "imgdata3.data[\""+(1)+"\"]", "0"); | |
34 _assertSame(imgdata3.data[2], 0, "imgdata3.data[\""+(2)+"\"]", "0"); | |
35 _assertSame(imgdata3.data[3], 0, "imgdata3.data[\""+(3)+"\"]", "0"); | |
36 var imgdata4 = ctx.getImageData(10, 60, 1, 1); | |
37 _assertSame(imgdata4.data[0], 0, "imgdata4.data[\""+(0)+"\"]", "0"); | |
38 _assertSame(imgdata4.data[1], 0, "imgdata4.data[\""+(1)+"\"]", "0"); | |
39 _assertSame(imgdata4.data[2], 0, "imgdata4.data[\""+(2)+"\"]", "0"); | |
40 _assertSame(imgdata4.data[3], 0, "imgdata4.data[\""+(3)+"\"]", "0"); | |
41 var imgdata5 = ctx.getImageData(100, 10, 1, 1); | |
42 _assertSame(imgdata5.data[0], 0, "imgdata5.data[\""+(0)+"\"]", "0"); | |
43 _assertSame(imgdata5.data[1], 0, "imgdata5.data[\""+(1)+"\"]", "0"); | |
44 _assertSame(imgdata5.data[2], 0, "imgdata5.data[\""+(2)+"\"]", "0"); | |
45 _assertSame(imgdata5.data[3], 0, "imgdata5.data[\""+(3)+"\"]", "0"); | |
46 var imgdata6 = ctx.getImageData(0, 10, 1, 1); | |
47 _assertSame(imgdata6.data[0], 0, "imgdata6.data[\""+(0)+"\"]", "0"); | |
48 _assertSame(imgdata6.data[1], 136, "imgdata6.data[\""+(1)+"\"]", "136"); | |
49 _assertSame(imgdata6.data[2], 255, "imgdata6.data[\""+(2)+"\"]", "255"); | |
50 _assertSame(imgdata6.data[3], 255, "imgdata6.data[\""+(3)+"\"]", "255"); | |
51 var imgdata7 = ctx.getImageData(-10, 10, 20, 20); | |
52 _assertSame(imgdata7.data[ 0*4+0], 0, "imgdata7.data[ 0*4+0]", "0"); | |
53 _assertSame(imgdata7.data[ 0*4+1], 0, "imgdata7.data[ 0*4+1]", "0"); | |
54 _assertSame(imgdata7.data[ 0*4+2], 0, "imgdata7.data[ 0*4+2]", "0"); | |
55 _assertSame(imgdata7.data[ 0*4+3], 0, "imgdata7.data[ 0*4+3]", "0"); | |
56 _assertSame(imgdata7.data[ 9*4+0], 0, "imgdata7.data[ 9*4+0]", "0"); | |
57 _assertSame(imgdata7.data[ 9*4+1], 0, "imgdata7.data[ 9*4+1]", "0"); | |
58 _assertSame(imgdata7.data[ 9*4+2], 0, "imgdata7.data[ 9*4+2]", "0"); | |
59 _assertSame(imgdata7.data[ 9*4+3], 0, "imgdata7.data[ 9*4+3]", "0"); | |
60 _assertSame(imgdata7.data[10*4+0], 0, "imgdata7.data[10*4+0]", "0"); | |
61 _assertSame(imgdata7.data[10*4+1], 136, "imgdata7.data[10*4+1]", "136"); | |
62 _assertSame(imgdata7.data[10*4+2], 255, "imgdata7.data[10*4+2]", "255"); | |
63 _assertSame(imgdata7.data[10*4+3], 255, "imgdata7.data[10*4+3]", "255"); | |
64 _assertSame(imgdata7.data[19*4+0], 0, "imgdata7.data[19*4+0]", "0"); | |
65 _assertSame(imgdata7.data[19*4+1], 136, "imgdata7.data[19*4+1]", "136"); | |
66 _assertSame(imgdata7.data[19*4+2], 255, "imgdata7.data[19*4+2]", "255"); | |
67 _assertSame(imgdata7.data[19*4+3], 255, "imgdata7.data[19*4+3]", "255"); | |
68 _assertSame(imgdata7.data[20*4+0], 0, "imgdata7.data[20*4+0]", "0"); | |
69 _assertSame(imgdata7.data[20*4+1], 0, "imgdata7.data[20*4+1]", "0"); | |
70 _assertSame(imgdata7.data[20*4+2], 0, "imgdata7.data[20*4+2]", "0"); | |
71 _assertSame(imgdata7.data[20*4+3], 0, "imgdata7.data[20*4+3]", "0"); | |
72 | |
73 t.done(); | |
74 | |
75 }); | |
76 </script> | |
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