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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> | 1 <script src="../../resources/testharness.js"></script> |
2 <html> | 2 <script src="../../resources/testharnessreport.js"></script> |
3 <head> | |
4 <script src="../../resources/js-test.js"></script> | |
5 </head> | |
6 <body> | 3 <body> |
7 <script src="script-tests/canvas-scale-fillPath-shadow.js"></script> | 4 <script> |
| 5 // Ensure correct behavior of canvas with path fill + shadow after scaling. A bl
ue and red checkered pattern should be displayed. |
| 6 |
| 7 var canvas = document.createElement('canvas'); |
| 8 document.body.appendChild(canvas); |
| 9 canvas.setAttribute('width', '1000'); |
| 10 canvas.setAttribute('height', '1000'); |
| 11 var ctx = canvas.getContext('2d'); |
| 12 |
| 13 ctx.scale(2, 2); |
| 14 ctx.shadowOffsetX = 100; |
| 15 ctx.shadowOffsetY = 100; |
| 16 ctx.fillStyle = 'rgba(0, 0, 255, 1)'; |
| 17 |
| 18 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
| 19 ctx.beginPath(); |
| 20 ctx.moveTo(50, 50); |
| 21 ctx.lineTo(100, 50); |
| 22 ctx.lineTo(100, 100); |
| 23 ctx.lineTo(50, 100); |
| 24 ctx.fill(); |
| 25 |
| 26 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
| 27 ctx.beginPath(); |
| 28 ctx.moveTo(50, 150); |
| 29 ctx.lineTo(100, 150); |
| 30 ctx.lineTo(100, 200); |
| 31 ctx.lineTo(50, 200); |
| 32 ctx.fill(); |
| 33 |
| 34 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
| 35 ctx.shadowBlur = 10; |
| 36 ctx.beginPath(); |
| 37 ctx.moveTo(150, 50); |
| 38 ctx.lineTo(200, 50); |
| 39 ctx.lineTo(200, 100); |
| 40 ctx.lineTo(150, 100); |
| 41 ctx.fill(); |
| 42 |
| 43 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
| 44 ctx.beginPath(); |
| 45 ctx.moveTo(150, 150); |
| 46 ctx.lineTo(200, 150); |
| 47 ctx.lineTo(200, 200); |
| 48 ctx.lineTo(150, 200); |
| 49 ctx.fill(); |
| 50 |
| 51 function testPixelShadow(x, y, color) |
| 52 { |
| 53 assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color); |
| 54 } |
| 55 |
| 56 function testPixelShadowAlpha(x, y, color) |
| 57 { |
| 58 var data = ctx.getImageData(x, y, 1, 1).data; |
| 59 assert_array_equals(data.slice(0,3), color.slice(0,3)); |
| 60 assert_approx_equals(data[3], color[3], 20); |
| 61 } |
| 62 |
| 63 var testPixelShadowScenarios = [ |
| 64 ['Verify solid shadow 1', 201, 205, [255, 0, 0, 255]], |
| 65 ['Verify solid shadow 2', 298, 295, [255, 0, 0, 255]], |
| 66 ['Verify solid shadow 3', 201, 298, [255, 0, 0, 255]], |
| 67 ]; |
| 68 |
| 69 var testPixelShadowAlphaScenarios = [ |
| 70 ['Verify solid alpha shadow 1', 201, 405, [255, 0, 0, 76]], |
| 71 ['Verify solid alpha shadow 2', 298, 405, [255, 0, 0, 76]], |
| 72 ['Verify solid alpha shadow 3', 205, 498, [255, 0, 0, 76]], |
| 73 |
| 74 ['Verify blurry shadow 1', 398, 205, [255, 0, 0, 83]], |
| 75 ['Verify blurry shadow 2', 501, 205, [255, 0, 0, 83]], |
| 76 ['Verify blurry shadow 3', 500, 300, [255, 0, 0, 53]], |
| 77 |
| 78 ['Verify blurry alpha shadow 1', 398, 405, [255, 0, 0, 24]], |
| 79 ['Verify blurry alpha shadow 2', 405, 501, [255, 0, 0, 24]], |
| 80 ]; |
| 81 |
| 82 generate_tests(testPixelShadow, testPixelShadowScenarios); |
| 83 generate_tests(testPixelShadowAlpha, testPixelShadowAlphaScenarios); |
| 84 |
| 85 </script> |
8 </body> | 86 </body> |
9 </html> | |
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