img_utils.h

/*
 * Copyright (C) 2016  Raphaël Poggi <poggi.raph@gmail.com>
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef IMG_UTILS_H
#define IMG_UTILS_H

struct point {
	int x;
	int y;
};


void clip_line(struct point *p1, struct point *p2, int xmin, int ymin, int xmax, int ymax);
void draw_line(unsigned char *img, int width, int height, struct point start, struct point end);
void draw_circle(unsigned char *img, int width, int height, struct point p, int radius);

#endif /* IMG_UTILS_H */