pnmio.h

it runs for blob detection with opencv

/*
**  Source file for blobdetect. (c) 2004 Johan Wiklund
**
**  This program 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 2 of the License, or
**  (at your option) any later version.
**  
**  See the file COPYING for details.
**
*/
#ifndef _PNMIO_H_
#define _PNMIO_H_

#define PBM_MAGIC1 'P'
#define PBM_MAGIC2 '1'
#define RPBM_MAGIC2 '4'
#define PBM_FORMAT (PBM_MAGIC1 * 256 + PBM_MAGIC2)
#define RPBM_FORMAT (PBM_MAGIC1 * 256 + RPBM_MAGIC2)

#define PGM_MAGIC1 'P'
#define PGM_MAGIC2 '2'
#define RPGM_MAGIC2 '5'
#define PGM_FORMAT (PGM_MAGIC1 * 256 + PGM_MAGIC2)
#define RPGM_FORMAT (PGM_MAGIC1 * 256 + RPGM_MAGIC2)

#define PPM_MAGIC1 'P'
#define PPM_MAGIC2 '3'
#define RPPM_MAGIC2 '6'
#define PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2)
#define RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2)

FILE *
pnm_readhead(char *name, int *format, int *hgh, int *wid);

FILE *
pnm_writehead(char *name, int format, int hgh, int wid);

void
pnm_close(FILE *f);


#endif /* _PNMIO_H_ */