46 lines
1.6 KiB
HTML
46 lines
1.6 KiB
HTML
<html xmlns="http://www.w3.org/1999/xhtml">
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<style>
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#transformOriginDiv {
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position: absolute;
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width: 30px;
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height: 30px;
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background: green;
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transform: rotate(90deg);
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}
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</style>
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<body>
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<div id="divRoot"></div>
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<script><![CDATA[
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function addTransformOriginDiv(x, y, transformOrigin)
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{
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var div = document.createElement("div");
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div.setAttribute("id", "transformOriginDiv");
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div.setAttribute("style", "top: " + y + "px; left: "+ x + "px; transform-origin: " + transformOrigin + ";");
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document.getElementById("divRoot").appendChild(div);
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}
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var equivalentTransformOrigins = [
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["50% 50%", "center 50%", "50% center", "center", "center center"],
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["0% 0%", "left 0%", "0% top", "left top", "top left"],
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["0% 50%", "left 50%", "0% center", "left", "left center", "center left"],
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["100% 0%", "right 0%", "100% top", "right top", "top right"],
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["0% 50%", "left 50%", "0% center", "left center", "center left"],
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["100% 50%", "right 50%", "100% center", "right center", "center right"],
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["0% 100%", "left 100%", "0% bottom", "left bottom", "left bottom"],
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["50% 100%", "center 100%", "50% bottom", "bottom", "center bottom", "bottom center"],
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["100% 100%", "right 100%", "100% bottom", "right bottom", "bottom right"]
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];
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for (var i = 0; i < equivalentTransformOrigins.length; i++) {
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var x = 60 + (i % 4) * 60;
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var y = 60 + Math.floor(i / 4) * 60;
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equivalentTransformOrigins[i].map( function(s) { addTransformOriginDiv(x, y, s); } );
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}
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]]></script>
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</body>
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</html>
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