65 lines
2.2 KiB
HTML
65 lines
2.2 KiB
HTML
<!DOCTYPE html>
|
|
<html>
|
|
<head>
|
|
<script src="../../resources/js-test-pre.js"></script>
|
|
</head>
|
|
<body>
|
|
<canvas id="canvas"></canvas>
|
|
<script>
|
|
var image = new Image;
|
|
|
|
function drawFrame(expectedFrame) {
|
|
return new Promise((resolve) => {
|
|
let canvas = document.getElementById("canvas");
|
|
let context = canvas.getContext("2d");
|
|
context.drawImage(image, 0, 0, canvas.width, canvas.height);
|
|
shouldBe("internals.imageFrameIndex(image)", expectedFrame.toString());
|
|
setTimeout(() => {
|
|
resolve(expectedFrame + 1);
|
|
}, 30);
|
|
});
|
|
}
|
|
|
|
function drawImage(frameCount, expectedFrame) {
|
|
let promise = drawFrame(expectedFrame);
|
|
for (let frame = 1; frame < frameCount; ++frame) {
|
|
promise = promise.then((expectedFrame) => {
|
|
return drawFrame(expectedFrame);
|
|
});
|
|
}
|
|
return promise;
|
|
}
|
|
|
|
function loadImage(src, frameCount) {
|
|
return new Promise((resolve) => {
|
|
image.onload = (() => {
|
|
if (window.internals) {
|
|
internals.setImageFrameDecodingDuration(image, 0.020);
|
|
internals.settings.setAnimatedImageDebugCanvasDrawingEnabled(true);
|
|
}
|
|
drawImage(Math.ceil(frameCount / 2), 0).then(() => {
|
|
internals.resetImageAnimation(image);
|
|
debug("The animation of the image was reset.");
|
|
drawImage(frameCount, 0).then(resolve);
|
|
});
|
|
});
|
|
image.src = src;
|
|
});
|
|
}
|
|
|
|
(function() {
|
|
if (window.internals)
|
|
internals.clearMemoryCache();
|
|
|
|
description("Ensure the image animation is played in order after the animation is reset.");
|
|
jsTestIsAsync = true;
|
|
|
|
loadImage("resources/animated-red-green-blue.gif", 3).then(() => {
|
|
finishJSTest();
|
|
});
|
|
})();
|
|
</script>
|
|
<script src="../../resources/js-test-post.js"></script>
|
|
</body>
|
|
</html>
|