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/********************************************************************************
* *
* C l i p p i n g R e g i o n *
* *
*********************************************************************************
* Copyright (C) 2000,2002 by Jeroen van der Zijp. All Rights Reserved. *
*********************************************************************************
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2.1 of the License, or (at your option) any later version. *
* *
* This library 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 *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
*********************************************************************************
* $Id: FXRegion.h,v 1.6 2002/01/18 22:42:54 jeroen Exp $ *
********************************************************************************/
#ifndef FXREGION_H
#define FXREGION_H
/// Region
class FXAPI FXRegion {
friend class FXDC;
friend class FXDCWindow;
private:
void *region;
public:
/// Construct new empty region
FXRegion();
/// Construct new region copied from region r
FXRegion(const FXRegion& r);
/// Construct new region set to given rectangle
FXRegion(FXint x,FXint y,FXint w,FXint h);
/// Assign region r to this one
FXRegion &operator=(const FXRegion& r);
/// Return TRUE if region is empty
FXbool empty() const;
/// Return TRUE if region contains point
FXbool contains(FXint x,FXint y) const;
/// Return TRUE if region contains rectangle
FXbool contains(FXint x,FXint y,FXint w,FXint h) const;
/// Return bounding box
void bounds(FXRectangle& r) const;
/// Offset region by dx,dy
FXRegion& offset(FXint dx,FXint dy);
/// Union region r with this one
FXRegion& operator+=(const FXRegion& r);
/// Intersect region r with this one
FXRegion& operator*=(const FXRegion& r);
/// Substract region r from this one
FXRegion& operator-=(const FXRegion& r);
/// Xor region r with this one
FXRegion& operator^=(const FXRegion& r);
/// Union of region r1 and region r2
friend FXAPI FXRegion operator+(const FXRegion& r1,const FXRegion& r2);
/// Intersection of region r1 and region r2
friend FXAPI FXRegion operator*(const FXRegion& r1,const FXRegion& r2);
/// Substract region r2 from region r1
friend FXAPI FXRegion operator-(const FXRegion& r1,const FXRegion& r2);
/// Xor of region r1 and region r2
friend FXAPI FXRegion operator^(const FXRegion& r1,const FXRegion& r2);
/// Return TRUE if region equal to this one
friend FXAPI FXbool operator==(const FXRegion& r1,const FXRegion& r2);
/// Return TRUE if region not equal to this one
friend FXAPI FXbool operator!=(const FXRegion& r1,const FXRegion& r2);
/// Destroy region
~FXRegion();
};
#endif
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