mirror of
https://github.com/danbulant/pngjs
synced 2026-05-27 13:51:50 +00:00
28 lines
548 B
JavaScript
28 lines
548 B
JavaScript
#!/usr/bin/env node
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var fs = require('fs'),
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PNG = require('pngjs').PNG;
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var png = new PNG({
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width: 10,
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height: 10,
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filterType: -1
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});
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for (var y = 0; y < png.height; y++) {
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for (var x = 0; x < png.width; x++) {
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var idx = (png.width * y + x) << 2;
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var col = x < (png.width >> 1) ^ y < (png.height >> 1) ? 0xe5 : 0xff;
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png.data[idx ] = col;
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png.data[idx+1] = col;
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png.data[idx+2] = col;
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png.data[idx+3] = 0xff;
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}
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}
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png.pipe(fs.createWriteStream('bg.png'));
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png.pack();
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