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