69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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/**
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* $Id$
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "Basic.h"
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int min_i(int a, int b) {
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return (a<b)?a:b;
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}
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int max_i(int a, int b) {
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return (b<a)?a:b;
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}
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int clamp_i(int val, int min, int max) {
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return min_i(max_i(val, min), max);
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}
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float min_f(float a, float b) {
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return (a<b)?a:b;
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}
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float max_f(float a, float b) {
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return (b<a)?a:b;
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}
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float clamp_f(float val, float min, float max) {
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return min_f(max_f(val, min), max);
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}
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void rect_copy(int dst[2][2], int src[2][2]) {
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dst[0][0]= src[0][0], dst[0][1]= src[0][1];
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dst[1][0]= src[1][0], dst[1][1]= src[1][1];
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}
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int rect_contains_pt(int rect[2][2], int pt[2]){
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return ((rect[0][0] <= pt[0] && pt[0] <= rect[1][0]) &&
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(rect[0][1] <= pt[1] && pt[1] <= rect[1][1]));
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}
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int rect_width(int rect[2][2]) {
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return (rect[1][0]-rect[0][0]);
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}
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int rect_height(int rect[2][2]) {
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return (rect[1][1]-rect[0][1]);
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}
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