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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-ellipse-360-winding.js"></script> | 4 <script> |
| 5 test(function(t) { |
| 6 var canvas = document.createElement('canvas'); |
| 7 document.body.appendChild(canvas) |
| 8 canvas.setAttribute('width', '300'); |
| 9 canvas.setAttribute('height', '150'); |
| 10 var ctx = canvas.getContext('2d'); |
| 11 |
| 12 var r; |
| 13 var anticlockwise = true; |
| 14 ctx.beginPath(); |
| 15 for (r = 200; r >= 10; r -= 10) { |
| 16 ctx.moveTo(150 + r, 75); |
| 17 // Test that anticlockwise is both optional and defaults to false. |
| 18 if (anticlockwise) { |
| 19 ctx.ellipse(150, 75, r, r * 1.2, 0, 0, Math.PI * 2, anticlockwise); |
| 20 } else { |
| 21 ctx.ellipse(150, 75, r, r * 1.2, 0, 0, Math.PI * 2); |
| 22 } |
| 23 ctx.closePath(); |
| 24 anticlockwise = !anticlockwise; |
| 25 } |
| 26 ctx.fillStyle = 'rgba(0, 255, 0, 1)'; |
| 27 ctx.strokeStyle = 'rgba(0, 255, 0, 1)'; |
| 28 ctx.fill(); |
| 29 ctx.stroke(); |
| 30 |
| 31 var imageData = ctx.getImageData(297, 75, 1, 1); |
| 32 var data = imageData.data; |
| 33 assert_equals(data[1], 0); |
| 34 |
| 35 imageData = ctx.getImageData(295, 144, 1, 1); |
| 36 data = imageData.data; |
| 37 assert_equals(data[1], 255); |
| 38 |
| 39 imageData = ctx.getImageData(272, 144, 1, 1); |
| 40 data = imageData.data; |
| 41 assert_equals(data[1], 255); |
| 42 |
| 43 imageData = ctx.getImageData(262, 144, 1, 1); |
| 44 data = imageData.data; |
| 45 assert_equals(data[1], 0); |
| 46 |
| 47 imageData = ctx.getImageData(239, 144, 1, 1); |
| 48 data = imageData.data; |
| 49 assert_equals(data[1], 0); |
| 50 |
| 51 imageData = ctx.getImageData(228, 144, 1, 1); |
| 52 data = imageData.data; |
| 53 assert_equals(data[1], 255); |
| 54 }, "This tests canvas full arc fill with nonzero winding rule. Eight green conce
ntric thick circumferences should be displayed."); |
| 55 </script> |
| 8 </body> | 56 </body> |
| 9 </html> | |
| OLD | NEW |