// BarcodeEan13.cpp // // Copyright (C) 2013-2026 Jaye Evins // // This file is part of glbarcode++. // // glbarcode++ is free software: you can redistribute it and/or modify // it under the terms of the GNU Lesser General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // glbarcode++ is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with glbarcode++. If not, see . // #include "BarcodeEan13.hpp" #include #include namespace glbarcode { /* * Static EAN-13 barcode creation method */ Barcode* BarcodeEan13::create( ) { return new BarcodeEan13(); } /* * EAN-13 barcode constructor */ BarcodeEan13::BarcodeEan13() { mEndBarsModules = 3; } /* * EAN-13 validate number of digits, implements BarcodeUpcBase::validateDigits() */ bool BarcodeEan13::validateDigits( int nDigits ) { return (nDigits == 12); } /* * EAN-13 Pre-process data before encoding, implements Barcode1dBase::preprocess() */ std::string BarcodeEan13::preprocess( const std::string& rawData ) { std::string cookedData; for (char c : rawData) { if ( isdigit( c ) ) { cookedData += c; } } mFirstDigitVal = (cookedData[0] - '0'); return cookedData.substr( 1, cookedData.size()-1 ); } /* * EAN-13 vectorize text, implements BarcodeUpcBase::vectorizeText() */ void BarcodeEan13::vectorizeText( const std::string& displayText, double size1, double size2, double x1Left, double x1Right, double y1, double x2Left, double x2Right, double y2 ) { addText( x2Left, y2, size2, displayText.substr( 0, 1 ) ); addText( x1Left, y1, size1, displayText.substr( 1, 6 ) ); addText( x1Right, y1, size1, displayText.substr( 7, 6 ) ); } }