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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.js"></script> | 4 <script> |
| 5 test(function(t) { |
| 6 var canvas = document.createElement('canvas'); |
| 7 document.body.appendChild(canvas); |
| 8 canvas.setAttribute('width', '400'); |
| 9 canvas.setAttribute('height', '400'); |
| 10 var ctx = canvas.getContext('2d'); |
| 11 |
| 12 ctx.fillStyle="rgba(255, 255, 255, 1.0)"; |
| 13 ctx.fillRect(0, 0, 400, 400); |
| 14 |
| 15 ctx.strokeStyle="rgba(0, 0, 0, 1.0)"; |
| 16 ctx.lineWidth = 10; |
| 17 ctx.beginPath(); |
| 18 ctx.moveTo(0, 100); |
| 19 ctx.ellipse(200, 200, 100, 150, Math.PI / 9, -Math.PI, Math.PI * 5 / 9, fals
e); |
| 20 ctx.lineTo(0, 300); |
| 21 ctx.stroke(); |
| 22 |
| 23 var imageData, data; |
| 24 |
| 25 // Verify the method must add a straight line from the last point in the sub
path |
| 26 // to the start point of the ellipse. |
| 27 imageData = ctx.getImageData(5, 103, 1, 1); |
| 28 data = imageData.data; |
| 29 assert_equals(data[0], 0); |
| 30 |
| 31 imageData = ctx.getImageData(49, 130, 1, 1); |
| 32 data = imageData.data; |
| 33 assert_equals(data[0], 0); |
| 34 |
| 35 imageData = ctx.getImageData(103, 163, 1, 1); |
| 36 data = imageData.data; |
| 37 assert_equals(data[0], 0); |
| 38 |
| 39 imageData = ctx.getImageData(36, 108, 1, 1); |
| 40 data = imageData.data; |
| 41 assert_equals(data[0], 255); |
| 42 |
| 43 // Verify ellipse API draws well. |
| 44 imageData = ctx.getImageData(101, 179, 1, 1); |
| 45 data = imageData.data; |
| 46 assert_equals(data[0], 255); |
| 47 |
| 48 imageData = ctx.getImageData(119, 132, 1, 1); |
| 49 data = imageData.data; |
| 50 assert_equals(data[0], 0); |
| 51 |
| 52 imageData = ctx.getImageData(260, 62, 1, 1); |
| 53 data = imageData.data; |
| 54 assert_equals(data[0], 0); |
| 55 |
| 56 imageData = ctx.getImageData(301, 122, 1, 1); |
| 57 data = imageData.data; |
| 58 assert_equals(data[0], 0); |
| 59 |
| 60 imageData = ctx.getImageData(273, 272, 1, 1); |
| 61 data = imageData.data; |
| 62 assert_equals(data[0], 0); |
| 63 |
| 64 imageData = ctx.getImageData(169, 344, 1, 1); |
| 65 data = imageData.data; |
| 66 assert_equals(data[0], 0); |
| 67 |
| 68 imageData = ctx.getImageData(196, 362, 1, 1); |
| 69 data = imageData.data; |
| 70 assert_equals(data[0], 255); |
| 71 |
| 72 // Verify the last point of ellipse is the start point of the next subpath. |
| 73 imageData = ctx.getImageData(128, 331, 1, 1); |
| 74 data = imageData.data; |
| 75 assert_equals(data[0], 0); |
| 76 |
| 77 imageData = ctx.getImageData(65, 315, 1, 1); |
| 78 data = imageData.data; |
| 79 assert_equals(data[0], 0); |
| 80 |
| 81 imageData = ctx.getImageData(9, 302, 1, 1); |
| 82 data = imageData.data; |
| 83 assert_equals(data[0], 0); |
| 84 |
| 85 imageData = ctx.getImageData(58, 300, 1, 1); |
| 86 data = imageData.data; |
| 87 assert_equals(data[0], 255); |
| 88 }, "This test checks ellipse API in canvas v5"); |
| 89 </script> |
| 8 </body> | 90 </body> |
| 9 </html> | |
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