| <!DOCTYPE html> |
| <title>Canvas test: 2d.imageData.get.nonpremul</title> |
| <script src="../tests.js"></script> |
| <link rel="stylesheet" href="../tests.css"> |
| <body> |
| <p id="passtext">Pass</p> |
| <p id="failtext">Fail</p> |
| <p class="output">These images should be identical:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| ctx.fillStyle = 'rgba(255, 255, 255, 0.5)'; |
| ctx.fillRect(0, 0, 100, 50); |
| var imgdata = ctx.getImageData(10, 10, 10, 10); |
| _assert(imgdata.data[0] > 200, "imgdata.data[\""+(0)+"\"] > 200"); |
| _assert(imgdata.data[1] > 200, "imgdata.data[\""+(1)+"\"] > 200"); |
| _assert(imgdata.data[2] > 200, "imgdata.data[\""+(2)+"\"] > 200"); |
| _assert(imgdata.data[3] > 100, "imgdata.data[\""+(3)+"\"] > 100"); |
| _assert(imgdata.data[3] < 200, "imgdata.data[\""+(3)+"\"] < 200"); |
| |
| |
| }); |
| </script> |
| |