44 lines
1.0 KiB
HTML
44 lines
1.0 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head>
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<style>
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div {
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width: 100px;
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height: 100px;
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margin: 10px;
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display: inline-block;
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}
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img {
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width: 100px;
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height: 100px;
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}
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</style>
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<head>
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<body>
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<script>
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if (window.internals)
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window.internals.settings.setImageSubsamplingEnabled(true);
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function createImage(color) {
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var canvas = document.createElement("canvas");
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canvas.width = 1024 * 3;
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canvas.height = 1024 * 3;
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var ctx = canvas.getContext("2d");
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ctx.fillStyle = color;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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var imgElement = document.createElement("img");
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imgElement.src = canvas.toDataURL("image/png");
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var divElement = document.createElement("div");
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divElement.appendChild(imgElement);
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document.body.appendChild(divElement);
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}
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createImage("red");
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createImage("green");
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createImage("blue");
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</script>
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</body>
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</html>
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