gecko-dev/image/test/reftest/apng/delaytest.html

42 строки
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HTML

<!DOCTYPE HTML>
<html class="reftest-wait">
<head>
<title>Delayed image reftest wrapper</title>
</head>
<body>
<img id="image1">
<script>
// This loads a externally specified image, forces a draw (in case of
// decode-on-draw), waits 100ms, and then triggers the reftest snapshot.
// This allows the animation on the page to complete.
//
// Use as "delaytest.html?animation.png"
//
// Get the image URL from our URL
var imgURL = document.location.search.substr(1);
// Load the image
var img = document.images[0];
img.src = imgURL;
img.onload = forceDecode;
function forceDecode() {
// We need to force drawing of the image in an invisible context
var canvas = document.createElement("canvas");
var ctx = canvas.getContext("2d");
ctx.drawImage(img, 0, 0);
// We've force the decode. start the timer to trigger the reftest
startTimer();
}
function startTimer() {
const delay = 100;
setTimeout("document.documentElement.className = '';", delay);
}
</script>
</body>
</html>