summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/html/canvas/element/pixel-manipulation/2d.imageData.get.source.outside.html
blob: fca97f2e6f6a338297520baad7c3214f1d89409f (plain)
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
<!DOCTYPE html>
<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->
<title>Canvas test: 2d.imageData.get.source.outside</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/html/canvas/resources/canvas-tests.js"></script>
<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">
<body class="show_output">

<h1>2d.imageData.get.source.outside</h1>
<p class="desc">getImageData() returns transparent black outside the canvas</p>


<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
var t = async_test("getImageData() returns transparent black outside the canvas");
_addTest(function(canvas, ctx) {

  ctx.fillStyle = '#08f';
  ctx.fillRect(0, 0, 100, 50);

  var imgdata1 = ctx.getImageData(-10, 5, 1, 1);
  _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0");
  _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0");
  _assertSame(imgdata1.data[3], 0, "imgdata1.data[\""+(3)+"\"]", "0");

  var imgdata2 = ctx.getImageData(10, -5, 1, 1);
  _assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0");
  _assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0");
  _assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0");

  var imgdata3 = ctx.getImageData(200, 5, 1, 1);
  _assertSame(imgdata3.data[0], 0, "imgdata3.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata3.data[1], 0, "imgdata3.data[\""+(1)+"\"]", "0");
  _assertSame(imgdata3.data[2], 0, "imgdata3.data[\""+(2)+"\"]", "0");
  _assertSame(imgdata3.data[3], 0, "imgdata3.data[\""+(3)+"\"]", "0");

  var imgdata4 = ctx.getImageData(10, 60, 1, 1);
  _assertSame(imgdata4.data[0], 0, "imgdata4.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata4.data[1], 0, "imgdata4.data[\""+(1)+"\"]", "0");
  _assertSame(imgdata4.data[2], 0, "imgdata4.data[\""+(2)+"\"]", "0");
  _assertSame(imgdata4.data[3], 0, "imgdata4.data[\""+(3)+"\"]", "0");

  var imgdata5 = ctx.getImageData(100, 10, 1, 1);
  _assertSame(imgdata5.data[0], 0, "imgdata5.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata5.data[1], 0, "imgdata5.data[\""+(1)+"\"]", "0");
  _assertSame(imgdata5.data[2], 0, "imgdata5.data[\""+(2)+"\"]", "0");
  _assertSame(imgdata5.data[3], 0, "imgdata5.data[\""+(3)+"\"]", "0");

  var imgdata6 = ctx.getImageData(0, 10, 1, 1);
  _assertSame(imgdata6.data[0], 0, "imgdata6.data[\""+(0)+"\"]", "0");
  _assertSame(imgdata6.data[1], 136, "imgdata6.data[\""+(1)+"\"]", "136");
  _assertSame(imgdata6.data[2], 255, "imgdata6.data[\""+(2)+"\"]", "255");
  _assertSame(imgdata6.data[3], 255, "imgdata6.data[\""+(3)+"\"]", "255");

  var imgdata7 = ctx.getImageData(-10, 10, 20, 20);
  _assertSame(imgdata7.data[ 0*4+0], 0, "imgdata7.data[ 0*4+0]", "0");
  _assertSame(imgdata7.data[ 0*4+1], 0, "imgdata7.data[ 0*4+1]", "0");
  _assertSame(imgdata7.data[ 0*4+2], 0, "imgdata7.data[ 0*4+2]", "0");
  _assertSame(imgdata7.data[ 0*4+3], 0, "imgdata7.data[ 0*4+3]", "0");
  _assertSame(imgdata7.data[ 9*4+0], 0, "imgdata7.data[ 9*4+0]", "0");
  _assertSame(imgdata7.data[ 9*4+1], 0, "imgdata7.data[ 9*4+1]", "0");
  _assertSame(imgdata7.data[ 9*4+2], 0, "imgdata7.data[ 9*4+2]", "0");
  _assertSame(imgdata7.data[ 9*4+3], 0, "imgdata7.data[ 9*4+3]", "0");
  _assertSame(imgdata7.data[10*4+0], 0, "imgdata7.data[10*4+0]", "0");
  _assertSame(imgdata7.data[10*4+1], 136, "imgdata7.data[10*4+1]", "136");
  _assertSame(imgdata7.data[10*4+2], 255, "imgdata7.data[10*4+2]", "255");
  _assertSame(imgdata7.data[10*4+3], 255, "imgdata7.data[10*4+3]", "255");
  _assertSame(imgdata7.data[19*4+0], 0, "imgdata7.data[19*4+0]", "0");
  _assertSame(imgdata7.data[19*4+1], 136, "imgdata7.data[19*4+1]", "136");
  _assertSame(imgdata7.data[19*4+2], 255, "imgdata7.data[19*4+2]", "255");
  _assertSame(imgdata7.data[19*4+3], 255, "imgdata7.data[19*4+3]", "255");
  _assertSame(imgdata7.data[20*4+0], 0, "imgdata7.data[20*4+0]", "0");
  _assertSame(imgdata7.data[20*4+1], 0, "imgdata7.data[20*4+1]", "0");
  _assertSame(imgdata7.data[20*4+2], 0, "imgdata7.data[20*4+2]", "0");
  _assertSame(imgdata7.data[20*4+3], 0, "imgdata7.data[20*4+3]", "0");

});
</script>