1 <!DOCTYPE HTML> 2 3 <!-- READ BEFORE UPDATING: 4 If this test is updated make sure to increment the "revision" value of the 5 associated test in content/test/gpu/page_sets/pixel_tests.py. This will ensure 6 that the baseline images are regenerated on the next run. 7 --> 8 9 <html> 10 <head> 11 <title>Canvas 2D Test: Red Box over Black Background</title> 12 <style type="text/css"> 13 .nomargin { 14 margin: 0px auto; 15 } 16 </style> 17 <script> 18 var g_swapsBeforeAck = 15; 19 20 function main() 21 { 22 draw(); 23 waitForFinish(); 24 } 25 26 function draw() 27 { 28 var canvas = document.getElementById("c"); 29 var c2d = canvas.getContext("2d"); 30 c2d.clearRect(0, 0, canvas.width, canvas.height); 31 c2d.fillStyle = "rgba(255, 0, 0, 0.5)"; 32 c2d.fillRect(50, 50, 100, 100); 33 } 34 35 function waitForFinish() 36 { 37 if (g_swapsBeforeAck == 0) { 38 domAutomationController.setAutomationId(1); 39 domAutomationController.send("SUCCESS"); 40 } else { 41 g_swapsBeforeAck--; 42 document.getElementById('container').style.zIndex = g_swapsBeforeAck + 1; 43 window.webkitRequestAnimationFrame(waitForFinish); 44 } 45 } 46 </script> 47 </head> 48 <body onload="main()"> 49 <div style="position:relative; width:200px; height:200px; background-color:black"> 50 </div> 51 <div id="container" style="position:absolute; top:0px; left:0px"> 52 <canvas id="c" width="200" height="200" class="nomargin"></canvas> 53 </div> 54 </body> 55 </html> 56
