| <!DOCTYPE html> |
| <body> |
| <p>On success, the square should have the bottom left portion of the base of the green I and red otherwise.</p> |
| <canvas id="c" class="output" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></canvas> |
| <div id="console"></div> |
| |
| <script> |
| |
| function drawCanvas(ctx) { |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0,0,100,100); |
| |
| var gradient = ctx.createLinearGradient(0, 0, 100, 100); |
| gradient.addColorStop(0, '#0f0'); |
| gradient.addColorStop(1, '#0f0'); |
| |
| ctx.fillStyle = gradient; |
| ctx.font = "500px Times"; |
| |
| ctx.fillText("I", -5, 100); |
| } |
| |
| if (window.testRunner) |
| testRunner.dumpAsText(); |
| |
| var canvas = document.getElementById('c'); |
| var ctx = canvas.getContext("2d"); |
| drawCanvas(ctx); |
| |
| // Check that the letter rendered appropriately |
| var renderedCorrectly = true; |
| |
| // Check for a green pixel from the text |
| var imageData = ctx.getImageData(75,75,1,1); |
| if (imageData.data[0] != 0) renderedCorrectly = false; |
| if (imageData.data[1] != 255) renderedCorrectly = false; |
| if (imageData.data[2] != 0) renderedCorrectly = false; |
| if (imageData.data[3] != 255) renderedCorrectly = false; |
| |
| // Check the red pixel outside of text wasn't touched |
| var imageData = ctx.getImageData(25,25,1,1); |
| if (imageData.data[0] != 255) renderedCorrectly = false; |
| if (imageData.data[1] != 0) renderedCorrectly = false; |
| if (imageData.data[2] != 0) renderedCorrectly = false; |
| if (imageData.data[3] != 255) renderedCorrectly = false; |
| |
| if (renderedCorrectly) |
| document.getElementById("console").innerHTML = "TEST PASSED"; |
| else |
| document.getElementById("console").innerHTML = "TEST FAILED"; |
| |
| </script> |
| </body> |
| </html> |
