| <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> |
| <html> |
| <head> |
| <script src="../../resources/js-test-pre.js"></script> |
| </head> |
| <body> |
| <script> |
| description("Series of tests to ensure correct behaviour of canvas.strokeRect()"); |
| var ctx = document.createElement('canvas').getContext('2d'); |
| |
| // stroke rect with solid green |
| debug("Test canvas.strokeRect() with solid green."); |
| ctx.beginPath(); |
| ctx.strokeStyle = 'green'; |
| ctx.lineWidth = 100; |
| ctx.strokeRect(50, 0, 100, 100); |
| |
| var imageData = ctx.getImageData(1, 1, 98, 98); |
| var imgdata = imageData.data; |
| shouldBe("imgdata[4]", "0"); |
| shouldBe("imgdata[5]", "128"); |
| shouldBe("imgdata[6]", "0"); |
| |
| ctx.clearRect(0, 0, 100, 100); |
| |
| // stroke rect with a pattern |
| debug("Test canvas.strokeRect() with a pattern."); |
| var canvas2 = document.createElement('canvas'); |
| canvas2.width = 100; |
| canvas2.height = 100; |
| var ctx2 = canvas2.getContext('2d'); |
| ctx2.fillStyle = 'green'; |
| ctx2.fillRect(0, 0, 100, 100); |
| var pattern = ctx.createPattern(canvas2, 'repeat'); |
| ctx.strokeStyle = 'pattern'; |
| ctx.lineWidth = 100; |
| ctx.strokeRect(50, 0, 100, 100); |
| |
| imageData = ctx.getImageData(1, 1, 98, 98); |
| imgdata = imageData.data; |
| shouldBe("imgdata[4]", "0"); |
| shouldBe("imgdata[5]", "128"); |
| shouldBe("imgdata[6]", "0"); |
| |
| ctx.clearRect(0, 0, 100, 100); |
| |
| // stroke rect with gradient |
| debug("Test canvas.strokeRect() with a gradient."); |
| var gradient = ctx.createLinearGradient(0, 0, 0, 100); |
| gradient.addColorStop(0, "green"); |
| gradient.addColorStop(1, "green"); |
| ctx.strokeStyle = 'gradient'; |
| ctx.lineWidth = 100; |
| ctx.strokeRect(50, 0, 100, 100); |
| |
| imageData = ctx.getImageData(1, 1, 98, 98); |
| imgdata = imageData.data; |
| shouldBe("imgdata[4]", "0"); |
| shouldBe("imgdata[5]", "128"); |
| shouldBe("imgdata[6]", "0"); |
| |
| ctx.clearRect(0, 0, 100, 100); |
| |
| // stroke rect with height = width = 0 and lineWidth = 2. |
| debug("Test canvas.strokeRect() with height = width = 0 and lineWidth = 2."); |
| ctx.strokeStyle = 'red'; |
| ctx.lineWidth = 2; |
| ctx.strokeRect(0, 0, 0, 0); |
| imageData = ctx.getImageData(0, 0, 1, 1); |
| imgdata = imageData.data; |
| shouldBe("imgdata[0]", "0"); |
| shouldBe("imgdata[1]", "0"); |
| shouldBe("imgdata[2]", "0"); |
| |
| // stroke rect with height = width = 0, lineWidth = 2, and shadow. |
| debug("Test canvas.strokeRect() with height = width = 0, lineWidth = 2, and shadow."); |
| ctx.shadowOffsetX = 5; |
| ctx.shadowOffsetY = 5; |
| ctx.shadowColor = 'blue'; |
| ctx.strokeStyle = 'red'; |
| ctx.lineWidth = 2; |
| ctx.strokeRect(0, 0, 0, 0); |
| imageData = ctx.getImageData(0, 0, 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> |
