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// SPDX-License-Identifier: GPL-3.0-or-later
'use strict';
var path = require('path');
var fs = require('fs');
var PDFDocument = require('pdfkit');
var doc = new PDFDocument({size:'A4', layout:'landscape'});
function loadFont(fontPaths, callback) {
for (let fontPath of fontPaths) {
try {
doc = doc.font(fontPath);
if (callback) { callback(null); }
return; // Exit once a font is loaded successfully
} catch(err) {
// Log error but continue to next font path
console.error(`Failed to load font from path: ${fontPath}. Error: ${err.message}`);
}
}
// If we reached here, none of the fonts were loaded successfully.
console.error('All font paths failed. Stopping execution.');
process.exit(1); // Exit with an error code
}
loadFont(['IBMPlexSans-Bold.ttf'], function(err) {
if (err) {
console.error('Could not load any of the specified fonts.');
}
});
doc = doc.fontSize(250);
function measureCombination(charA, charB) {
return doc.widthOfString(charA + charB);
}
function getCharRepresentation(charCode) {
return (charCode >= 32 && charCode <= 126) ? String.fromCharCode(charCode) : '';
}
function generateCombinationArray() {
let output = "static const unsigned short int ibm_plex_sans_bold_250[128][128] = {\n";
for (let i = 0; i <= 126; i++) {
output += " {"; // Start of inner array
for (let j = 0; j <= 126; j++) {
let charA = getCharRepresentation(i);
let charB = getCharRepresentation(j);
let width = measureCombination(charA, charB) - doc.widthOfString(charB);
let encodedWidth = Math.round(width * 100); // Multiply by 100 and round
if(charA === '*' && charB == '/')
charB = '\\/';
if(charA === '/' && charB == '*')
charB = '\\*';
output += `${encodedWidth} /* ${charA}${charB} */`;
if (j < 126) {
output += ", ";
}
}
output += "},\n"; // End of inner array
}
output += "};\n"; // End of 2D array
return output;
}
console.log(generateCombinationArray());
console.log('static const unsigned short int ibm_plex_sans_bold_250_em_size = ' + Math.round(doc.widthOfString('M') * 100) + ';');
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