| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(function(t) { |
| var ctx = document.createElement('canvas').getContext('2d'); |
| |
| ctx.fillStyle = "red"; |
| ctx.fillRect(0,0,50,20); |
| ctx.fillStyle = "green"; |
| ctx.fillRect(50,0,50,20); |
| ctx.fillStyle = "blue"; |
| ctx.fillRect(100,0,50,20); |
| |
| var data = ctx.getImageData(0,0,150,20); |
| ctx.putImageData(data, 0, 20); |
| |
| var imageData = ctx.getImageData(1, 21, 48, 18); |
| var imgdata = imageData.data; |
| assert_equals(imgdata[4], 255); |
| assert_equals(imgdata[5], 0); |
| assert_equals(imgdata[6], 0); |
| |
| imageData = ctx.getImageData(51, 21, 48, 18); |
| imgdata = imageData.data; |
| assert_equals(imgdata[4], 0); |
| assert_equals(imgdata[5], 128); |
| assert_equals(imgdata[6], 0); |
| |
| imageData = ctx.getImageData(101, 21, 48, 18); |
| imgdata = imageData.data; |
| assert_equals(imgdata[4], 0); |
| assert_equals(imgdata[5], 0); |
| assert_equals(imgdata[6], 255); |
| }, "Test if putImageData gives back the same result as getImageData"); |
| </script> |
| </body> |
