<!DOCTYPE html>
<html class="reftest-wait">
<head>
<meta charset="utf-8">
<title>createImageBitmap and drawImage from a blob with image orientation: from-image</title>
<link rel="author" title="Stephen Chenney" href="mailto:[email protected]">
<link rel="help" href="https://drafts.csswg.org/css-images-3/#propdef-image-orientation">
<link rel="match" href="drawImage-from-blob-ref.html">
<script>
function makeBlob() {
return new Promise(function(resolve, reject) {
var xhr = new XMLHttpRequest();
xhr.open("GET", '/css/css-images/image-orientation/support/exif-orientation-8-llo.jpg');
xhr.responseType = 'blob';
xhr.send();
xhr.onload = function() {
resolve(xhr.response);
};
});
}
window.onload = function() {
var cfb = document.getElementById("canvasWithFileBitmap");
makeBlob().then(function(blob){createImageBitmap(blob).then(bitmap => {
cfb.getContext("2d").drawImage(bitmap, 0, 0, 150, 150 * bitmap.height / bitmap.width);
window.requestAnimationFrame(() => {
document.documentElement.removeAttribute("class");
});
});
});
}
</script>
</head>
<body>
<canvas id="canvasWithFileBitmap" width="150" height="300"></canvas>
</body>
</html>
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