mr_lag_section.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_LAG_SECTION_H
#define MR_LAG_SECTION_H

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

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

#define LAG_SECTION_WIDTH(s) (((MrLagSegment*)mr_vector_get(s->segments, 0))->x - ((MrLagSegment*)mr_vector_get(s->segments, s->segments->size -1))->x + 1)

#define SECTION_START(s) ((MrLagSegment*)mr_vector_get(s->segments, 0))
#define SECTION_START_X(s) (SECTION_START(s)->x)
#define SECTION_END(s) ((MrLagSegment*)mr_vector_get(s->segments, s->segments->size - 1))
#define SECTION_END_X(s) (SECTION_END(s)->x)


typedef struct MrLagSection MrLagSection;


struct MrLagSection
{
  MrVector* segments;
  MrVector* right_junctions;
  MrVector* left_junctions;

  unsigned int sum_height;

  unsigned int mean_height;

  unsigned int sum_y;

  unsigned int mean_y;

  short int filament;
  
  short int removed;

  MrLine* bb;
};
 
MrLagSection* mr_lag_section_new();

void mr_lag_section_free(void *p);

void mr_lag_section_add_segment(MrLagSection* section, void* segment);

unsigned int mr_lag_section_area(MrLagSection* section);

unsigned int mr_lag_section_mean_Y(MrLagSection* section);

void mr_lag_section_remove(MrLagSection* section);



#ifdef __cplusplus
}
#endif /* __cplusplus */

#endif /* MR_LAG_SECTION_H */

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