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Basic.c

/**
 * $Id: Basic.c,v 1.3 2002/11/25 09:53:00 mein Exp $
 * ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
 *
 * 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. The Blender
 * Foundation also sells licenses for use in proprietary software under
 * the Blender License.  See http://www.blender.org/BL/ for information
 * about this.
 *
 * 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.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL/BL DUAL LICENSE BLOCK *****
 */

#include "Basic.h"

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

int min_i(int a, int b) { 
      return (a<b)?a:b; 
}
int max_i(int a, int b) {
      return (b<a)?a:b; 
}
int clamp_i(int val, int min, int max) { 
      return min_i(max_i(val, min), max);
}

float min_f(float a, float b) { 
      return (a<b)?a:b; 
}
float max_f(float a, float b) { 
      return (b<a)?a:b; 
}
float clamp_f(float val, float min, float max) { 
      return min_f(max_f(val, min), max);
}

void rect_copy(int dst[2][2], int src[2][2]) {
      dst[0][0]= src[0][0], dst[0][1]= src[0][1];
      dst[1][0]= src[1][0], dst[1][1]= src[1][1];
}
int rect_contains_pt(int rect[2][2], int pt[2]){
      return ((rect[0][0] <= pt[0] && pt[0] <= rect[1][0]) &&
                  (rect[0][1] <= pt[1] && pt[1] <= rect[1][1]));
}
int rect_width(int rect[2][2]) {
      return (rect[1][0]-rect[0][0]);
}
int rect_height(int rect[2][2]) {
      return (rect[1][1]-rect[0][1]);
}

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