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/*
* qrencode - QR Code encoder
*
* Masking.
* Copyright (C) 2006-2011 Kentaro Fukuchi <kentaro@fukuchi.org>
*
* This library 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 2.1 of the License, or any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __MASK_H__
#define __MASK_H__
extern unsigned char *Mask_makeMask(int width, unsigned char *frame, int mask, QRecLevel level);
extern unsigned char *Mask_mask(int width, unsigned char *frame, QRecLevel level);
#ifdef WITH_TESTS
extern int Mask_calcN2(int width, unsigned char *frame);
extern int Mask_calcN1N3(int length, int *runLength);
extern int Mask_calcRunLength(int width, unsigned char *frame, int dir, int *runLength);
extern int Mask_evaluateSymbol(int width, unsigned char *frame);
extern int Mask_writeFormatInformation(int width, unsigned char *frame, int mask, QRecLevel level);
extern unsigned char *Mask_makeMaskedFrame(int width, unsigned char *frame, int mask);
#endif
#endif /* __MASK_H__ */
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