mr_line.h

Go to the documentation of this file.

/* 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_LINE_H
#define MR_LINE_H

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

#define MR_LINE_DIFF_X1(l1,l2) ((l1).x1 - (l2).x1)

#define MR_LINE_DIFF_Y1(l1,l2) ((l1).y1 - (l2).y1)

#define MR_BB_WIDTH(bb)  ((bb).x2 - (bb).x1)

#define MR_BB_HEIGHT(bb) ((bb).y2 - (bb).y1)

typedef struct MrLine MrLine;

struct MrLine
{
  int x1, y1;
  int x2, y2;
};

MrLine* mr_line_new();

MrLine* mr_line_new_init(int x1, int y1, int x2, int y2);

void mr_line_set(MrLine* dst, const MrLine* src);

void mr_line_free(void* l);

#ifdef __cplusplus
}
#endif                          /* __cplusplus */

#endif /* MR_LINE_H */

---