kicad/potrace/bitmap_io.h

/* Copyright (C) 2001-2017 Peter Selinger.
 *  This file is part of Potrace. It is free software and it is covered
 *  by the GNU General Public License. See the file COPYING for details. */

/* bitmap input/output functions */

#ifndef BITMAP_IO_H
#define BITMAP_IO_H

#include "bitmap.h"
#include <stdio.h>

/* Note that bitmaps are stored bottom to top, i.e., the first
 *  scanline is the bottom-most one */

extern const char* bm_read_error;

int     bm_read( FILE* f, double blacklevel, potrace_bitmap_t** bmp );
void    bm_writepbm( FILE* f, potrace_bitmap_t* bm );
int     bm_print( FILE* f, potrace_bitmap_t* bm );

#endif /* BITMAP_IO_H */