| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test.js"></script> |
| </head> |
| <body> |
| <script> |
| description("This test checks ellipse API in canvas v5"); |
| |
| var canvas = document.createElement('canvas'); |
| document.body.appendChild(canvas); |
| canvas.setAttribute('width', '400'); |
| canvas.setAttribute('height', '400'); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle="rgba(255, 255, 255, 1.0)"; |
| ctx.fillRect(0, 0, 400, 400); |
| |
| ctx.strokeStyle="rgba(0, 0, 0, 1.0)"; |
| ctx.lineWidth = 10; |
| ctx.beginPath(); |
| ctx.moveTo(0, 100); |
| ctx.ellipse(200, 200, 100, 150, Math.PI / 9, -Math.PI, Math.PI * 5 / 9, false); |
| ctx.lineTo(0, 300); |
| ctx.stroke(); |
| |
| var imageData, data; |
| |
| // Verify the method must add a straight line from the last point in the subpath |
| // to the start point of the ellipse. |
| imageData = ctx.getImageData(5, 103, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(49, 130, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(103, 163, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(36, 108, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '255'); |
| |
| // Verify ellipse API draws well. |
| imageData = ctx.getImageData(101, 179, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '255'); |
| |
| imageData = ctx.getImageData(119, 132, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(260, 62, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(301, 122, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(273, 272, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(169, 344, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(196, 362, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '255'); |
| |
| // Verify the last point of ellipse is the start point of the next subpath. |
| imageData = ctx.getImageData(128, 331, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(65, 315, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(9, 302, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '0'); |
| |
| imageData = ctx.getImageData(58, 300, 1, 1); |
| data = imageData.data; |
| shouldBe('data[0]', '255'); |
| |
| </script> |
| </body> |
| </html> |
