Files
sethLabels/glabels/BarcodeBackends/QrEncode.cpp
T
2017-05-22 22:26:28 -04:00

90 lines
1.9 KiB
C++

/* QrEncode.cpp
*
* Copyright (C) 2017 Jim 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.h"
#include "qrencode.h"
namespace glabels
{
namespace barcode
{
/*
* Static QrCode barcode creation method
*/
glbarcode::Barcode* QrEncode::createQrCode()
{
return new QrEncode();
}
/*
* QrEncode data validation, implements glbarcode::Barcode2dBase::validate()
*/
bool QrEncode::validate( const std::string& rawData )
{
if ( rawData.size() == 0 )
{
return false;
}
return true;
}
/*
* QrEncode data encoding, implements glbarcode::Barcode2dBase::encode()
*/
bool QrEncode::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 == NULL )
{
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 );
QRcode_clearCache();
return true;
}
}
}
#endif // HAVE_QRENCODE