| <!DOCTYPE html> |
| <script> |
| function startTest() { |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| testRunner.setBackingScaleFactor(2, finishTest); |
| } |
| } |
| |
| function finishTest() { |
| const canvas = document.getElementById('paint'); |
| canvas.width = 150 * window.devicePixelRatio; |
| canvas.height = 150 * window.devicePixelRatio; |
| |
| const ctx = canvas.getContext('2d'); |
| ctx.scale(window.devicePixelRatio, window.devicePixelRatio); |
| |
| for (var i = 0; i < 6; i++){ |
| for (var j = 0; j < 6; j++){ |
| ctx.fillStyle = 'rgb(' + Math.floor(255 - 42.5 * i) + ',' + |
| Math.floor(255 - 42.5 * j) + ',0)'; |
| ctx.fillRect(j * 25, i * 25, 25, 25); |
| } |
| } |
| setTimeout(function() { testRunner.notifyDone(); }, 0); |
| } |
| </script> |
| <body onload="startTest();"> |
| <canvas id="paint" style="width: 150px; height: 150px;" width=150 height=150 ></canvas> |
| |
| </body> |
