gecko/toolkit/devtools/server/tests/mochitest/inspector_getImageData.html

20 lines
535 B
HTML

<html>
<head>
<body>
<img class="big-horizontal" src="large-image.jpg" style="width:500px;" />
<canvas class="big-vertical" style="width:500px;"></canvas>
<img class="small" src="small-image.gif"></img>
<script>
window.onload = () => {
var canvas = document.querySelector("canvas"), ctx = canvas.getContext("2d");
canvas.width = 1000;
canvas.height = 2000;
ctx.fillStyle = "red";
ctx.fillRect(0, 0, 1000, 2000);
window.opener.postMessage('ready', '*')
}
</script>
</body>
</html>