mirror of
https://github.com/danbulant/pngjs
synced 2026-05-27 13:51:50 +00:00
23 lines
572 B
JavaScript
23 lines
572 B
JavaScript
var PNG = require("../lib/png").PNG;
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var newfile = new PNG({width:10,height:10});
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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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newfile.pack()
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.pipe(fs.createWriteStream(__dirname + '/newfile.png'))
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.on('finish', function() {
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console.log('bitmap:', this.data);
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console.log('end !');
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});
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