| <!DOCTYPE HTML> |
| <title>Ensure that globalAlpha is applied correctly to text.</title> |
| <script src="../../resources/testharness.js"></script> |
| <script src="../../resources/testharnessreport.js"></script> |
| |
| <script> |
| test(function() { |
| var canvas = document.createElement('canvas'); |
| var ctx = canvas.getContext('2d'); |
| ctx.fillStyle = "black"; |
| ctx.globalAlpha = 0.5; |
| ctx.font = "50px Arial"; |
| ctx.fillText("A",50,50); |
| var imageData = ctx.getImageData(63, 22, 1, 1).data; |
| var expectedValue = [127, 128]; |
| assert_in_array(imageData[3], expectedValue); |
| }); |
| </script> |
