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#ifndef COIN_SBBOX2D_H
#define COIN_SBBOX2D_H
/**************************************************************************\
*
* This file is part of the Coin 3D visualization library.
* Copyright (C) 1998-2004 by Systems in Motion. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* ("GPL") version 2 as published by the Free Software Foundation.
* See the file LICENSE.GPL at the root directory of this source
* distribution for additional information about the GNU GPL.
*
* For using Coin with software that can not be combined with the GNU
* GPL, and for taking advantage of the additional benefits of our
* support services, please contact Systems in Motion about acquiring
* a Coin Professional Edition License.
*
* See <URL:http://www.coin3d.org/> for more information.
*
* Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
* <URL:http://www.sim.no/>.
*
\**************************************************************************/
#include <Inventor/SbBasic.h>
#include <Inventor/SbVec2d.h>
class COIN_DLL_API SbBox2d {
public:
SbBox2d(void);
SbBox2d(double xmin, double ymin, double xmax, double ymax);
SbBox2d(const SbVec2d & min, const SbVec2d & max);
~SbBox2d(void);
const SbVec2d & getMin(void) const;
const SbVec2d & getMax(void) const;
SbVec2d getCenter(void) const;
void extendBy(const SbVec2d & point);
void extendBy(const SbBox2d & box);
SbBool intersect(const SbVec2d & point) const;
SbBool intersect(const SbBox2d & box) const;
SbBool findIntersection(const SbVec2d & a, const SbVec2d & b, SbVec2d & ia, SbVec2d & ib) const;
SbVec2d getClosestPoint(const SbVec2d & p) const;
void setBounds(double xmin, double ymin, double xmax, double ymax);
void setBounds(const SbVec2d & min, const SbVec2d & max);
void getBounds(double & xmin, double & ymin, double & xmax, double & ymax) const;
void getBounds(SbVec2d & min, SbVec2d & max) const;
void getOrigin(double & x0, double & y0) const;
void getSize(double & w, double & h) const;
double getAspectRatio(void) const;
void makeEmpty(void);
SbBool isEmpty(void) const;
SbBool hasArea(void) const;
friend COIN_DLL_API int operator ==(const SbBox2d & b1, const SbBox2d & b2);
friend COIN_DLL_API int operator !=(const SbBox2d & b1, const SbBox2d & b2);
private:
SbVec2d minpt, maxpt;
double width(void) const;
double height(void) const;
};
COIN_DLL_API int operator == (const SbBox2d & b1, const SbBox2d & b2);
COIN_DLL_API int operator != (const SbBox2d & b1, const SbBox2d & b2);
#endif // !COIN_SBBOX2D_H
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