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34 lines
1.2 KiB
HTML
34 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<html>
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<body>
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<a href="http://github.com/devongovett/png.js"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://a248.e.akamai.net/assets.github.com/img/e6bef7a091f5f3138b8cd40bc3e114258dd68ddf/687474703a2f2f73332e616d617a6f6e6177732e636f6d2f6769746875622f726962626f6e732f666f726b6d655f72696768745f7265645f6161303030302e706e67" alt="Fork me on GitHub"></a>
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<select>
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<optgroup label="Static PNGs">
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<option>djay.png</option>
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<option>djay-indexed.png</option>
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<option>laptop.png</option>
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<option>trees.png</option>
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</optgroup>
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<optgroup label="Animated PNGs">
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<option>chompy.png</option>
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<option>spinfox.png</option>
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<option>ball.png</option>
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<option>loading.png</option>
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</optgroup>
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</select><br><br>
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<canvas></canvas>
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<script src="zlib.js"></script>
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<script src="png.js"></script>
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<script>
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var canvas = document.getElementsByTagName('canvas')[0];
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PNG.load('images/djay.png', canvas);
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var select = document.getElementsByTagName('select')[0];
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select.onchange = function() {
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canvas.width = canvas.height = 0;
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PNG.load('images/' + select.options[select.selectedIndex].value, canvas);
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}
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</script>
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</body>
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</html> |