50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
var fs = require('fs');
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var TTFWriter = require('node-sfnt').TTFWriter;
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var TTF = require('node-sfnt').TTF;
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var argv = require('yargs').argv;
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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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function pad(s, n){ while(s.length < n) s = '0' + s; return s; }
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var options = {preserveOS2Version: true}
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var ttfFont = JSON.parse(fs.readFileSync(argv._[0], 'utf-8'));
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if(argv.charmap) {
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fs.writeFileSync(argv.charmap, JSON.stringify(ttfFont.glyf.map(function(glyph){ return [glyph.name, glyph.unicode, glyph.advanceWidth === 0 && glyph.anchors && Object.keys(glyph.anchors).length > 0]})), 'utf8')
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};
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if(argv.feature) {
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var featurefile = '\n\n';
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// markGlyphs
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for(var key in ttfFont.features.markGlyphs){
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featurefile += '@MG_' + key + '= [' + ttfFont.features.markGlyphs[key].join(' ') + '];\n'
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}
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// mark
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var mark = ttfFont.features.mark;
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for(var id in mark) {
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var lookup = mark[id];
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var lookupName = 'markAuto_' + id;
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featurefile += 'lookup ' + lookupName + ' {' + lookup.marks.join(';\n') + ';\n' + lookup.bases.join(';\n') + ';} ' + lookupName + ';'
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}
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// mkmk
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var mkmk = ttfFont.features.mkmk;
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featurefile += 'lookup mkmkAuto {' + mkmk.marks.join(';\n') + ';\n' + mkmk.bases.join(';\n') + ';} mkmkAuto;'
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// gdef
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var gdef = ttfFont.features.gdef;
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featurefile += '@GDEF_Simple = [' + gdef.simple.join(' \n') + '];\n@GDEF_Ligature =[' + gdef.ligature.join(' \n') + '];\n@GDEF_Mark = [' + gdef.mark.join(' \n') + '];\ntable GDEF { GlyphClassDef @GDEF_Simple, @GDEF_Ligature, @GDEF_Mark, ;} GDEF;'
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fs.writeFileSync(argv.feature, featurefile, 'utf8');
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};
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if(argv.ttf) fs.writeFileSync(argv.ttf, toBuffer(new TTFWriter(options).write(ttfFont))); |