48c55af5c1
- OpenGL ES 2 doesn't allow NPOT textures with wrap-around - The Sprite object reported the map's pixelRatio, even though it loaded @2x assets - Copying icons from the sprite into the atlas now uses bilinear scaling to scale up to the actual size
20 lines
700 B
JavaScript
20 lines
700 B
JavaScript
// Converts a PNG image to a custom "image format" that has a uint32_t width/height prefix and then
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// raw RGBA data. We can't use the built-in PNG reading routines because they are reading
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// premultiplied images by default.
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var fs = require('fs');
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var zlib = require('zlib');
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var PNG = require('png-js');
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var png = PNG.load('styles/sprites/bright.png');
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png.decodePixels(function(data) {
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var result = new Buffer(8 + data.length);
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result.writeUInt32BE(png.width, 0);
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result.writeUInt32BE(png.height, 4);
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data.copy(result, 8);
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zlib.deflate(result, function(err, data) {
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if (err) throw err;
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fs.writeFileSync('test/fixtures/sprites/bright.bin', data);
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});
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});
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