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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-strokePath-shadow.js"></script> | 4 <script> |
| 5 // Ensure correct behavior of canvas with path stroke + shadow after scaling. A
blue and red checkered pattern should be displayed. |
| 6 |
| 7 var canvas = document.createElement('canvas'); |
| 8 document.body.appendChild(canvas); |
| 9 canvas.setAttribute('width', '600'); |
| 10 canvas.setAttribute('height', '600'); |
| 11 var ctx = canvas.getContext('2d'); |
| 12 |
| 13 ctx.scale(2, 2); |
| 14 ctx.shadowOffsetX = 100; |
| 15 ctx.shadowOffsetY = 100; |
| 16 ctx.strokeStyle = 'rgba(0, 0, 255, 1)'; |
| 17 ctx.lineWidth = 5; |
| 18 |
| 19 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
| 20 ctx.beginPath(); |
| 21 ctx.moveTo(50, 50); |
| 22 ctx.lineTo(100, 50); |
| 23 ctx.lineTo(100, 100); |
| 24 ctx.lineTo(50, 100); |
| 25 ctx.lineTo(50, 50); |
| 26 ctx.stroke(); |
| 27 |
| 28 ctx.shadowColor = 'rgba(255, 0, 0, 0.3)'; |
| 29 ctx.beginPath(); |
| 30 ctx.moveTo(50, 150); |
| 31 ctx.lineTo(100, 150); |
| 32 ctx.lineTo(100, 200); |
| 33 ctx.lineTo(50, 200); |
| 34 ctx.lineTo(50, 150); |
| 35 ctx.stroke(); |
| 36 |
| 37 ctx.shadowColor = 'rgba(255, 0, 0, 1.0)'; |
| 38 ctx.shadowBlur = 10; |
| 39 ctx.beginPath(); |
| 40 ctx.moveTo(150, 50); |
| 41 ctx.lineTo(200, 50); |
| 42 ctx.lineTo(200, 100); |
| 43 ctx.lineTo(150, 100); |
| 44 ctx.lineTo(150, 50); |
| 45 ctx.stroke(); |
| 46 |
| 47 ctx.shadowColor = 'rgba(255, 0, 0, 0.6)'; |
| 48 ctx.beginPath(); |
| 49 ctx.moveTo(150, 150); |
| 50 ctx.lineTo(200, 150); |
| 51 ctx.lineTo(200, 200); |
| 52 ctx.lineTo(150, 200); |
| 53 ctx.lineTo(150, 150); |
| 54 ctx.stroke(); |
| 55 |
| 56 function testPixelShadowBlur(x, y, color) |
| 57 { |
| 58 if (color.length == 4) { |
| 59 assert_array_equals(ctx.getImageData(x, y, 1, 1).data, color); |
| 60 } else { // we expect to have [r, g, b, a, alphaApprox] |
| 61 var data = ctx.getImageData(x, y, 1, 1).data; |
| 62 assert_array_equals(data.slice(0,3), color.slice(0,3)); |
| 63 assert_approx_equals(data[3], color[3], color[4]); |
| 64 } |
| 65 } |
| 66 |
| 67 var testPixelShadowScenarios = [ |
| 68 ['Verify solid shadow 1', 250, 200, [255, 0, 0, 255]], |
| 69 ['Verify solid shadow 2', 300, 290, [255, 0, 0, 255]], |
| 70 ['Verify solid shadow 3', 200, 250, [255, 0, 0, 255]], |
| 71 |
| 72 ['Verify solid alpha shadow 1', 201, 405, [255, 0, 0, 76, 20]], |
| 73 ['Verify solid alpha shadow 2', 201, 500, [255, 0, 0, 76, 20]], |
| 74 ['Verify solid alpha shadow 3', 300, 499, [255, 0, 0, 76, 20]], |
| 75 |
| 76 ['Verify blurry shadow 1', 398, 210, [255, 0, 0, 200, 20]], |
| 77 ['Verify blurry shadow 2', 508, 250, [255, 0, 0, 49, 20]], |
| 78 ['Verify blurry shadow 3', 450, 198, [255, 0, 0, 199, 20]], |
| 79 |
| 80 ['Verify blurry alpha shadow 1', 505, 450, [255, 0, 0, 70, 20]], |
| 81 ['Verify blurry alpha shadow 2', 450, 405, [255, 0, 0, 70, 20]], |
| 82 ]; |
| 83 |
| 84 generate_tests(testPixelShadowBlur, testPixelShadowScenarios); |
| 85 |
| 86 </script> |
| 8 </body> | 87 </body> |
| 9 </html> | |
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Chromium Code Reviews
Issue 2693193003:
Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)
