Christophe BliardandPaul Melnikow
cafb66bd93
If Verdana.ttf can't be loaded, the font file pointed by the FALLBACK_FONT_PATH environment variable will be loaded. This fixes width computation errors that can occur with non-latin characters when running with Docker.
32 lines
755 B
JavaScript
32 lines
755 B
JavaScript
'use strict';
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var path = require('path');
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var PDFDocument = require('pdfkit');
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var doc = new PDFDocument({size:'A4', layout:'landscape'});
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// Attempt to use a particular font.
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// callback: (optional) takes an error if it failed.
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function loadFont(path, callback) {
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try {
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doc = doc.font(path);
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if (callback) { callback(null); }
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} catch(err) {
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doc = doc.font('Helvetica-Bold');
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if (callback) { callback(err); }
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}
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}
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loadFont(path.join(__dirname, '..', 'Verdana.ttf'), function (err) {
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if (err && process.env.FALLBACK_FONT_PATH) {
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loadFont(process.env.FALLBACK_FONT_PATH);
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}
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});
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doc = doc.fontSize(11);
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function measure(str) {
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return doc.widthOfString(str);
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}
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module.exports = measure;
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module.exports.loadFont = loadFont;
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