| <!DOCTYPE HTML> |
| <html> |
| <head> |
| <meta name="viewport" content="initial-scale=1"> |
| <title>Tab Switch Canvas 2D Test: Diagonally opposite green and blue box, over red box</title> |
| <style type="text/css"> |
| .nomargin { |
| margin: 0px auto; |
| } |
| </style> |
| <script> |
| let g_swapsBeforeAck = 15; |
| let g_canvas; |
| let g_c2d; |
| |
| function waitForFinish() |
| { |
| if (g_swapsBeforeAck == 0) { |
| sendResult("SUCCESS"); |
| } else { |
| g_swapsBeforeAck--; |
| window.requestAnimationFrame(waitForFinish); |
| } |
| } |
| |
| function handleVisibilityChange() { |
| if (document.visibilityState == "visible") |
| waitForFinish(); |
| } |
| |
| function sendResult(status) { |
| if (domAutomationController) { |
| domAutomationController.send(status); |
| } else { |
| console.log(status); |
| } |
| } |
| |
| function main() |
| { |
| document.addEventListener("visibilitychange", handleVisibilityChange, false); |
| g_canvas = document.getElementById("c"); |
| g_c2d = g_canvas.getContext("2d"); |
| g_c2d.clearRect(0, 0, g_canvas.width, g_canvas.height); |
| g_c2d.fillStyle = "red"; |
| g_c2d.fillRect(0, 0, 100, 100); |
| // Verify that output doesn't get flipped vertically. |
| g_c2d.fillStyle = "green"; |
| g_c2d.fillRect(0, 0, 50, 50); |
| g_c2d.fillStyle = "blue"; |
| g_c2d.fillRect(50, 50, 50, 50); |
| sendResult("READY"); |
| } |
| </script> |
| </head> |
| <body onload="main()" class="nomargin"> |
| <canvas id="c" width="100" height="100" class="nomargin" style="background-color:black"></canvas> |
| </body> |
| </html> |
