| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Test that canvas arc()s are connected by a straight line. There should be two C-shapes with a line from the bottom of the left one to the top of the right one."); |
| |
| var canvas = document.createElement('canvas'); |
| document.body.appendChild(canvas) |
| canvas.setAttribute('width', '300'); |
| canvas.setAttribute('height', '300'); |
| var ctx = canvas.getContext('2d'); |
| function deg2rad(x) { |
| return x * 3.141592653589 / 180; |
| } |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, canvas.width, canvas.height); |
| ctx.lineJoin = 'bevel'; |
| ctx.lineWidth = 12; |
| ctx.beginPath(); |
| ctx.arc(200, 50, 40, deg2rad(90), deg2rad(-90), false); |
| ctx.arc(100, 50, 40, deg2rad(90), deg2rad(-90), false); |
| ctx.stroke(); |
| |
| var imageData = ctx.getImageData(0, 0, 1, 1); |
| var imgdata = imageData.data; |
| shouldBe("imgdata[0]", "0"); |
| shouldBe("imgdata[1]", "255"); |
| shouldBe("imgdata[2]", "0"); |
| |
| imageData = ctx.getImageData(125, 30, 1, 1); |
| imgdata = imageData.data; |
| shouldBe("imgdata[0]", "0"); |
| shouldBe("imgdata[1]", "255"); |
| shouldBe("imgdata[2]", "0"); |
| |
| imageData = ctx.getImageData(125, 70, 1, 1); |
| imgdata = imageData.data; |
| shouldBe("imgdata[0]", "0"); |
| shouldBe("imgdata[1]", "0"); |
| shouldBe("imgdata[2]", "0"); |
| </script> |
| <script src="../../resources/js-test-post.js"></script> |
| </body> |
| </html> |
