mr_ray_tracing.h

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/* The Partitions Musics Recognition System project.
 * (c)2003 by Fabien Pelisson (fabien dot pelisson at wanadoo dot fr)
 *
 * 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.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef MR_RAY_TRACING_H
#define MR_RAY_TRACING_H

#include <mr_vector.h>
#include <mr_line.h>
#include <mr_image.h>

#ifdef __cplusplus
extern              "C"
{
#endif                          /* __cplusplus */

#define MR_RAY_NB_RAYS             10 

#define MR_RAY_MIN_INTERSECTIONS   6

#define MR_RAY_MIN_LINES_SPACES    6 

typedef struct MrRayTracing MrRayTracing;

struct MrRayTracing
{
  MrVector* lines; 
  int nb_rays; 
  int min_intersections; 
  int min_lines_spaces; 
};

MrRayTracing* mr_ray_tracing_new(void);

void mr_ray_tracing_free(void* r);

void mr_ray_tracing_clear(MrRayTracing* ray);

short int mr_ray_tracing_apply(MrRayTracing* ray, MrImage* image);

short int mr_ray_tracing_hor_ROI(MrRayTracing* ray, MrImage* image, MrLine* ROI);

short int mr_ray_tracing_ver_ROI(MrRayTracing* ray, MrImage* image, MrLine* ROI);

#ifdef __cplusplus
}
#endif                          /* __cplusplus */


#endif /* MR_RAY_TRACING_H */

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