Files
sethLabels/backends/barcode/QrEncode.cpp
T
2026-01-13 19:19:42 -05:00

88 lines
2.3 KiB
C++

// QrEncode.cpp
//
// Copyright (C) 2017-2026 Jaye Evins <evins@snaught.com>
//
// This file is part of gLabels-qt.
//
// gLabels-qt is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// gLabels-qt 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
//
#if HAVE_QRENCODE
#include "QrEncode.hpp"
#include <qrencode.h>
namespace glabels::barcode::QrEncode
{
/*
* Static QrCode barcode creation method
*/
glbarcode::Barcode* QrCode::create()
{
return new QrCode();
}
/*
* QrCode data validation, implements glbarcode::Barcode2dBase::validate()
*/
bool QrCode::validate( const std::string& rawData )
{
if ( rawData.size() == 0 )
{
return false;
}
return true;
}
/*
* QrCode data encoding, implements glbarcode::Barcode2dBase::encode()
*/
bool QrCode::encode( const std::string& cookedData, glbarcode::Matrix<bool>& encodedData )
{
QRcode *qrcode = QRcode_encodeString( cookedData.c_str(), 0, QR_ECLEVEL_M, QR_MODE_8, 1 );
if ( qrcode == nullptr )
{
return false;
}
int w = qrcode->width;
encodedData.resize( w, w );
for ( int iy = 0; iy < w; iy++ )
{
for ( int ix = 0; ix < w; ix++ )
{
encodedData[iy][ix] = qrcode->data[ iy*w + ix ] & 0x01;
}
}
QRcode_free( qrcode );
return true;
}
}
#endif // HAVE_QRENCODE