49 lines
1.5 KiB
JavaScript
49 lines
1.5 KiB
JavaScript
var fs = require('fs');
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var TTFReader = require('node-sfnt').TTFReader;
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var TTFWriter = require('node-sfnt').TTFWriter;
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var argv = require('yargs').argv;
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function toArrayBuffer(buffer) {
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var length = buffer.length;
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var view = new DataView(new ArrayBuffer(length), 0, length);
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for (var i = 0, l = length; i < l; i++) {
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view.setUint8(i, buffer[i], false);
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}
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return view.buffer;
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}
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function toBuffer(arrayBuffer) {
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var length = arrayBuffer.byteLength;
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var view = new DataView(arrayBuffer, 0, length);
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var buffer = new Buffer(length);
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for (var i = 0, l = length; i < l; i++) {
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buffer[i] = view.getUint8(i, false);
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}
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return buffer;
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}
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var options = {preserveOS2Version: true, preserveXAvgCharWidth: true, writeUnknownTables: true, hinting: true}
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function readttf(file) {
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var data = fs.readFileSync(file);
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var buffer = toArrayBuffer(data);
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var ttf = (new TTFReader(options)).read(buffer);
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return ttf;
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}
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function writettf(ttf, file){
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var buffer = new TTFWriter(options).write(ttf);
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fs.writeFileSync(file, toBuffer(buffer));
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}
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function mix(a, b, p){ return a + (b - a) * p }
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function ratio(l, m, r){
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if(l === r) return 0;
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return (m - l) / (r - l);
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}
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function colinear(a, b, c){
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return Math.abs(((c.y - a.y) * (b.x - a.x) - (c.x - a.x) * (b.y - a.y))) <= 1e-5
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}
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var glyfsource = readttf(argv._[0]);
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var ttf = JSON.parse(fs.readFileSync(argv._[1], 'utf-8'));
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ttf.glyf = glyfsource.glyf;
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fs.writeFileSync(argv.o, toBuffer(new TTFWriter(options).write(ttf))); |