forked from bartvdbraak/blender
69 lines
1.8 KiB
C
69 lines
1.8 KiB
C
/**
|
|
* $Id$
|
|
* ***** BEGIN GPL 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.
|
|
*
|
|
* 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 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]);
|
|
}
|