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1 #library('CanvasTest'); | 1 #library('CanvasTest'); |
2 #import('../../lib/unittest/unittest.dart'); | 2 #import('../../lib/unittest/unittest.dart'); |
3 #import('../../lib/unittest/html_config.dart'); | 3 #import('../../lib/unittest/html_config.dart'); |
4 #import('dart:html'); | 4 #import('dart:html'); |
5 | 5 |
6 main() { | 6 main() { |
7 CanvasElement canvas; | 7 CanvasElement canvas; |
8 CanvasRenderingContext2D context; | 8 CanvasRenderingContext2D context; |
9 int width = 100; | 9 int width = 100; |
10 int height = 100; | 10 int height = 100; |
11 | 11 |
12 canvas = new Element.tag('canvas'); | 12 canvas = new Element.tag('canvas'); |
13 canvas.attributes['width'] = width; | 13 canvas.attributes['width'] = width; |
14 canvas.attributes['height'] = height; | 14 canvas.attributes['height'] = height; |
15 document.body.nodes.add(canvas); | 15 document.body.nodes.add(canvas); |
16 | 16 |
17 context = canvas.getContext('2d'); | 17 context = canvas.context2d; |
18 | 18 |
19 useHtmlConfiguration(); | 19 useHtmlConfiguration(); |
20 test('FillStyle', () { | 20 test('FillStyle', () { |
21 context.fillStyle = "red"; | 21 context.fillStyle = "red"; |
22 context.fillRect(10, 10, 20, 20); | 22 context.fillRect(10, 10, 20, 20); |
23 | 23 |
24 Uint8ClampedArray data = context.getImageData(0, 0, width, height).data; | 24 Uint8ClampedArray data = context.getImageData(0, 0, width, height).data; |
25 checkPixel(data, 0, [0, 0, 0, 0]); | 25 checkPixel(data, 0, [0, 0, 0, 0]); |
26 checkPixel(data, 9 + width * 10, [0, 0, 0, 0]); | 26 checkPixel(data, 9 + width * 10, [0, 0, 0, 0]); |
27 checkPixel(data, 10 + width * 10, [255, 0, 0, 255]); | 27 checkPixel(data, 10 + width * 10, [255, 0, 0, 255]); |
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81 }); | 81 }); |
82 } | 82 } |
83 | 83 |
84 void checkPixel(Uint8ClampedArray data, int offset, List<int> rgba) | 84 void checkPixel(Uint8ClampedArray data, int offset, List<int> rgba) |
85 { | 85 { |
86 offset *= 4; | 86 offset *= 4; |
87 for (var i = 0; i < 4; ++i) { | 87 for (var i = 0; i < 4; ++i) { |
88 Expect.equals(rgba[i], data[offset + i]); | 88 Expect.equals(rgba[i], data[offset + i]); |
89 } | 89 } |
90 } | 90 } |
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