| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| <body> |
| <script> |
| test(function(t) { |
| ctx = document.createElement('canvas').getContext('2d'); |
| |
| function testDimensions(sx, sy, sw, sh, width, height) |
| { |
| imageData = ctx.getImageData(sx, sy, sw, sh); |
| assert_equals(imageData.width, width); |
| assert_equals(imageData.height, height); |
| } |
| |
| // Basic integer values |
| testDimensions( 0, 0, 20, 10, 20, 10); |
| |
| // Source point is not an integer |
| testDimensions( .1, .2, 20, 10, 20, 10); |
| testDimensions( .9, .8, 20, 10, 20, 10); |
| |
| // Size is not an integer |
| testDimensions( 0, 0, 20.9, 10.9, 20, 10); |
| testDimensions( 0, 0, 20.1, 10.1, 20, 10); |
| |
| // Basic integer negative values |
| testDimensions( -1, -1, 20, 10, 20, 10); |
| |
| // Non-integer negative values |
| testDimensions(-1.1, 0, 20, 10, 20, 10); |
| testDimensions(-1.9, 0, 20, 10, 20, 10); |
| }, 'Test the handling of non-integer source coordinates in getImageData().'); |
| </script> |
| </body> |
