1/*
2 * qrencode - QR Code encoder
3 *
4 * Masking.
5 * Copyright (C) 2006-2011 Kentaro Fukuchi <kentaro@fukuchi.org>
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22#ifndef __MASK_H__
23#define __MASK_H__
24
25extern unsigned char *Mask_makeMask(int width, unsigned char *frame, int mask, QRecLevel level);
26extern unsigned char *Mask_mask(int width, unsigned char *frame, QRecLevel level);
27
28#ifdef WITH_TESTS
29extern int Mask_calcN2(int width, unsigned char *frame);
30extern int Mask_calcN1N3(int length, int *runLength);
31extern int Mask_calcRunLength(int width, unsigned char *frame, int dir, int *runLength);
32extern int Mask_evaluateSymbol(int width, unsigned char *frame);
33extern int Mask_writeFormatInformation(int width, unsigned char *frame, int mask, QRecLevel level);
34extern unsigned char *Mask_makeMaskedFrame(int width, unsigned char *frame, int mask);
35#endif
36
37#endif /* __MASK_H__ */
38