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- <!DOCTYPE html>
- <html>
- <body>
- <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>
- <select>
- <optgroup label="Static PNGs">
- <option>djay.png</option>
- <option>djay-indexed.png</option>
- <option>laptop.png</option>
- <option>trees.png</option>
- </optgroup>
- <optgroup label="Animated PNGs">
- <option>chompy.png</option>
- <option>spinfox.png</option>
- <option>ball.png</option>
- <option>loading.png</option>
- </optgroup>
- </select><br><br>
- <canvas></canvas>
-
- <script src="zlib.js"></script>
- <script src="png.js"></script>
- <script>
- var canvas = document.getElementsByTagName('canvas')[0];
- PNG.load('images/djay.png', canvas);
-
- var select = document.getElementsByTagName('select')[0];
- select.onchange = function() {
- canvas.width = canvas.height = 0;
- PNG.load('images/' + select.options[select.selectedIndex].value, canvas);
- }
- </script>
- </body>
- </html>
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