| <!DOCTYPE html> |
| <title>Canvas test: 2d.imageData.get.clamp</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 = 'rgb(-100, -200, -300)'; |
| ctx.fillRect(0, 0, 100, 50); |
| ctx.fillStyle = 'rgb(256, 300, 400)'; |
| ctx.fillRect(20, 10, 60, 10); |
| var imgdata1 = ctx.getImageData(10, 5, 1, 1); |
| _assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0"); |
| _assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0"); |
| _assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0"); |
| var imgdata2 = ctx.getImageData(30, 15, 1, 1); |
| _assertSame(imgdata2.data[0], 255, "imgdata2.data[\""+(0)+"\"]", "255"); |
| _assertSame(imgdata2.data[1], 255, "imgdata2.data[\""+(1)+"\"]", "255"); |
| _assertSame(imgdata2.data[2], 255, "imgdata2.data[\""+(2)+"\"]", "255"); |
| |
| |
| }); |
| </script> |
| |
