/*  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