| <style> |
| div { |
| width: 100px; |
| height: 100px; |
| } |
| canvas { |
| width: 100px; |
| height: 100px; |
| background-color: black; |
| } |
| img { |
| max-width: 100%; |
| max-height: 100%; |
| } |
| </style> |
| <body> |
| <p>This tests calling decode() for a animated image which is also an element in the DOM tree.</p> |
| <canvas></canvas> |
| <div></div> |
| <script> |
| if (window.internals && window.testRunner) { |
| internals.clearMemoryCache(); |
| internals.settings.setWebkitImageReadyEventEnabled(true); |
| testRunner.waitUntilDone(); |
| } |
| |
| var image = new Image; |
| var parent = document.querySelector("div"); |
| parent.appendChild(image); |
| |
| image.onload = (() => { |
| if (window.internals && window.testRunner) { |
| // Force layout and display so the image gets drawn. The image will draw its red frame. |
| document.body.offsetHeight; |
| testRunner.display(); |
| |
| // Wait till decoding the next (green) frame finishes and the animation advances to it. |
| image.addEventListener("webkitImageFrameReady", function() { |
| setTimeout(function() { |
| // Request decoding the next (blue) frame. Wait till decoding finishes and the |
| // animation advances to it. |
| image.decode().then(() => { |
| var canvas = document.querySelector("canvas"); |
| var context = canvas.getContext("2d"); |
| context.drawImage(image, 0, 0, canvas.width, canvas.height); |
| parent.remove(); |
| testRunner.notifyDone(); |
| }); |
| }, 0); |
| }); |
| } |
| }); |
| image.src = "resources/animated-red-green-blue-repeat-2.gif"; |
| </script> |
| </body> |
