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1 <!doctype html> | 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-clip-rule.js"></script> | 4 <script> |
| 5 var tmpimg = document.createElement('canvas'); |
| 6 tmpimg.width = 200; |
| 7 tmpimg.height = 200; |
| 8 ctx = tmpimg.getContext('2d'); |
| 9 |
| 10 // Create the image for blending test with images. |
| 11 var img = document.createElement('canvas'); |
| 12 img.width = 100; |
| 13 img.height = 100; |
| 14 var imgCtx = img.getContext('2d'); |
| 15 |
| 16 function checkResult(expectedColors, sigma) { |
| 17 var data = ctx.getImageData(50, 50, 1, 1).data; |
| 18 for (var i = 0; i < 4; i++) |
| 19 assert_approx_equals(data[i], expectedColors[i], sigma); |
| 20 } |
| 21 |
| 22 test(function(t) { |
| 23 ctx.fillStyle = 'rgb(255,0,0)'; |
| 24 ctx.fillRect(0, 0, 100, 100); |
| 25 ctx.fillStyle = 'rgb(0,255,0)'; |
| 26 ctx.beginPath(); |
| 27 ctx.rect(0, 0, 100, 100); |
| 28 ctx.rect(25, 25, 50, 50); |
| 29 ctx.clip(); |
| 30 ctx.beginPath(); |
| 31 ctx.fillRect(0, 0, 100, 100); |
| 32 checkResult([0, 255, 0, 255], 5); |
| 33 |
| 34 ctx.fillStyle = 'rgb(255,0,0)'; |
| 35 ctx.fillRect(0, 0, 100, 100); |
| 36 ctx.fillStyle = 'rgb(0,255,0)'; |
| 37 ctx.beginPath(); |
| 38 ctx.rect(0, 0, 100, 100); |
| 39 ctx.rect(25, 25, 50, 50); |
| 40 ctx.clip('nonzero'); |
| 41 ctx.beginPath(); |
| 42 ctx.fillRect(0, 0, 100, 100); |
| 43 checkResult([0, 255, 0, 255], 5); |
| 44 |
| 45 ctx.fillStyle = 'rgb(255,0,0)'; |
| 46 ctx.fillRect(0, 0, 100, 100); |
| 47 ctx.fillStyle = 'rgb(0,255,0)'; |
| 48 ctx.beginPath(); |
| 49 ctx.rect(0, 0, 100, 100); |
| 50 ctx.rect(25, 25, 50, 50); |
| 51 ctx.clip('evenodd'); |
| 52 ctx.beginPath(); |
| 53 ctx.fillRect(0, 0, 100, 100); |
| 54 checkResult([255, 0, 0, 255], 5); |
| 55 }, "Series of tests to ensure correct results of the winding rule."); |
| 56 </script> |
8 </body> | 57 </body> |
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