gecko-dev/image/test/reftest/downscaling/downscale-moz-icon-1-ref.html

42 строки
1.2 KiB
HTML

<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
- http://creativecommons.org/publicdomain/zero/1.0/ -->
<html class="reftest-wait">
<head>
<meta charset="utf-8" />
<title>Reference for downscaling moz-icon images (bug 1261964)</title>
<script>
function beginTest() {
var canvas = document.getElementById("canvas");
var image = new Image();
image.onload = function() {
// When image loads: draw it to canvas, scale down the canvas, and
// then let the reftest snapshot happen.
// The image can be larger than the requested size, so we resize the
// canvas to match it.
canvas.width = image.width;
canvas.height = image.height;
var ctx = canvas.getContext("2d");
ctx.drawImage(image, 0, 0);
canvas.setAttribute("class", "downscale");
document.documentElement.removeAttribute("class");
}
// Kick off the image load:
image.src = "moz-icon://bogus-unrecognized-icon?size=100";
}
</script>
<style>
body { margin: 0; }
.downscale {
transform-origin: 0 0;
transform: scale(0.9);
}
</style>
</head>
<body onload="beginTest()">
<canvas id="canvas"></canvas>
</body>
</html>