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<!DOCTYPE>
<head>
<style>
body {
border: 0px;
margin: 0px;
padding: 0px;
}
div {
width: 100px;
height: 200px;
border: 50px solid black;
margin: 50px;
padding: 50px;
/* This is deliberately an image with a non-neutral inherent orientation to */
/* ensure that the inherent orientation is irrelevant. */
background-image: url(image-exif-90-deg-flip.jpg);
background-position: center;
background-repeat: no-repeat;
}
</style>
</head>
<body>
<div></div>
<script>
var orientation = location.search.substring(1).split("&");
var angle = orientation[0];
var flip = orientation[1] == "flip" ? true : false;
// Construct a style. "from-image" is special-cased.
var style;
if (angle == "from-image") {
style = "div { image-orientation: from-image; }\n";
} else {
style = "div { image-orientation: "
+ angle + "deg"
+ (flip ? " flip" : "")
+ "; }\n";
}
// Apply the style to the document.
var sheet = document.createElement('style');
sheet.innerHTML = style;
document.body.appendChild(sheet);
</script>
</body>
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