mirror of
https://github.com/servo/servo.git
synced 2025-06-23 16:44:33 +01:00
41 lines
No EOL
1.1 KiB
HTML
41 lines
No EOL
1.1 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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</head>
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<style>
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html, body {
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margin: 0;
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}
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</style>
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<body>
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<canvas id="dest" height="100" width="100"></canvas>
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<script>
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var sourceWidth = 50;
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var sourceHeight = 50;
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var smoothingEnabled = false;
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var destCanvas = document.getElementById('dest');
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var sourceCanvas = document.createElement('canvas');
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sourceCanvas.width = sourceWidth;
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sourceCanvas.height = sourceHeight;
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var sourceCtx = sourceCanvas.getContext('2d');
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sourceCtx.fillStyle = "#00FFFF";
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sourceCtx.fillRect(0, 0, sourceWidth, sourceHeight);
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sourceCtx.fillStyle = "#000000";
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sourceCtx.fillRect(5,5,40,40);
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var destCtx = destCanvas.getContext('2d');
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destCtx.fillStyle = "#FF0000";
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destCtx.fillRect(0, 0, destCanvas.width, destCanvas.height);
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destCtx.imageSmoothingEnabled = smoothingEnabled;
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// 8 arguments, both destination and source origins are 0, 0
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// An area of 25x25 pixels of the source image will be copied to
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// an area of 25x25 pixels of the destination canvas
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destCtx.drawImage(sourceCanvas, 0, 0, 25, 25, 0, 0, 25, 25);
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</script>
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</body>
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</html> |