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/********************************************************************************
* *
* R e c t a n g l e C l a s s *
* *
*********************************************************************************
* Copyright (C) 1994,2002 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: FXRectangle.h,v 1.5 2002/01/18 22:42:54 jeroen Exp $ *
********************************************************************************/
#ifndef FXRECTANGLE_H
#define FXRECTANGLE_H
/// Rectangle
class FXAPI FXRectangle {
public:
FXshort x;
FXshort y;
FXshort w;
FXshort h;
public:
/// Constructors
FXRectangle(){ }
FXRectangle(FXshort xx,FXshort yy,FXshort ww,FXshort hh):x(xx),y(yy),w(ww),h(hh){ }
FXRectangle(const FXPoint& p,const FXSize& s):x(p.x),y(p.y),w(s.w),h(s.h){ }
FXRectangle(const FXPoint& topleft,const FXPoint& bottomright):x(topleft.x),y(topleft.y),w(bottomright.x-topleft.x+1),h(bottomright.y-topleft.y+1){ }
/// Equality
friend FXAPI FXbool operator==(const FXRectangle& p,const FXRectangle& q){ return p.x==q.x && p.y==q.y && p.w==q.w && p.h==q.h; }
friend FXAPI FXbool operator!=(const FXRectangle& p,const FXRectangle& q){ return p.x!=q.x || p.y!=q.y || p.w!=q.w || p.h!=q.h; }
/// Point in rectangle
FXbool contains(const FXPoint& p) const { return x<=p.x && y<=p.y && p.x<x+w && p.y<y+h; }
FXbool contains(FXshort xx,FXshort yy) const { return x<=xx && y<=yy && xx<x+w && yy<y+h; }
/// Rectangle properly contained in rectangle
FXbool contains(const FXRectangle& r) const { return x<=r.x && y<=r.y && r.x+r.w<=x+w && r.y+r.h<=y+h; }
/// Rectangles overlap
friend FXAPI FXbool overlap(const FXRectangle& a,const FXRectangle& b){ return b.x<a.x+a.w && b.y<a.y+a.h && a.x<b.x+b.w && a.y<b.y+b.h; }
/// Return moved rectangle
FXRectangle& move(FXshort dx,FXshort dy){ x+=dx; y+=dy; return *this; }
/// Grow by amount
FXRectangle& grow(FXshort margin);
FXRectangle& grow(FXshort hormargin,FXshort vermargin);
FXRectangle& grow(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin);
/// Shrink by amount
FXRectangle& shrink(FXshort margin);
FXRectangle& shrink(FXshort hormargin,FXshort vermargin);
FXRectangle& shrink(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin);
/// Corners
FXPoint tl() const { return FXPoint(x,y); }
FXPoint tr() const { return FXPoint(x+w-1,y); }
FXPoint bl() const { return FXPoint(x,y+h-1); }
FXPoint br() const { return FXPoint(x+w-1,y+h-1); }
/// Union and intersection with rectangle
FXRectangle& operator+=(const FXRectangle &r);
FXRectangle& operator*=(const FXRectangle &r);
/// Union and intersection between rectangles
friend FXAPI FXRectangle operator+(const FXRectangle& p,const FXRectangle& q);
friend FXAPI FXRectangle operator*(const FXRectangle& p,const FXRectangle& q);
/// Save object to a stream
friend FXAPI FXStream& operator<<(FXStream& store,const FXRectangle& r);
/// Load object from a stream
friend FXAPI FXStream& operator>>(FXStream& store,FXRectangle& r);
};
#endif
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