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/********************************************************************************
* *
* S i z e C l a s s *
* *
*********************************************************************************
* Copyright (C) 1994,2006 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: FXSize.h,v 1.15 2006/01/22 17:58:09 fox Exp $ *
********************************************************************************/
#ifndef FXSIZE_H
#define FXSIZE_H
namespace FX {
/// Size
class FXAPI FXSize {
public:
FXshort w;
FXshort h;
public:
/// Constructors
FXSize(){ }
FXSize(const FXSize& s):w(s.w),h(s.h){ }
FXSize(FXshort ww,FXshort hh):w(ww),h(hh){ }
/// Test if empty
bool empty() const { return w<=0 || h<=0; }
/// Test if zero
bool operator!() const { return w==0 && h==0; }
/// Equality
bool operator==(const FXSize& s) const { return w==s.w && h==s.h; }
bool operator!=(const FXSize& s) const { return w!=s.w || h!=s.h; }
/// Grow by amount
FXSize& grow(FXshort margin);
FXSize& grow(FXshort hormargin,FXshort vermargin);
FXSize& grow(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin);
/// Shrink by amount
FXSize& shrink(FXshort margin);
FXSize& shrink(FXshort hormargin,FXshort vermargin);
FXSize& shrink(FXshort leftmargin,FXshort rightmargin,FXshort topmargin,FXshort bottommargin);
/// Assignment
FXSize& operator=(const FXSize& s){ w=s.w; h=s.h; return *this; }
/// Set value from another size
FXSize& set(const FXSize& s){ w=s.w; h=s.h; return *this; }
/// Set value from components
FXSize& set(FXshort ww,FXshort hh){ w=ww; h=hh; return *this; }
/// Assignment operators
FXSize& operator+=(const FXSize& s){ w+=s.w; h+=s.h; return *this; }
FXSize& operator-=(const FXSize& s){ w-=s.w; h-=s.h; return *this; }
FXSize& operator*=(FXshort c){ w*=c; h*=c; return *this; }
FXSize& operator/=(FXshort c){ w/=c; h/=c; return *this; }
/// Negation
FXSize operator-(){ return FXSize(-w,-h); }
/// Addition operators
FXSize operator+(const FXSize& s) const { return FXSize(w+s.w,h+s.h); }
FXSize operator-(const FXSize& s) const { return FXSize(w-s.w,h-s.h); }
/// Scale operators
friend inline FXSize operator*(const FXSize& s,FXshort c);
friend inline FXSize operator*(FXshort c,const FXSize& s);
friend inline FXSize operator/(const FXSize& s,FXshort c);
friend inline FXSize operator/(FXshort c,const FXSize& s);
/// Save object to a stream
friend FXAPI FXStream& operator<<(FXStream& store,const FXSize& s);
/// Load object from a stream
friend FXAPI FXStream& operator>>(FXStream& store,FXSize& s);
};
inline FXSize operator*(const FXSize& s,FXshort c){ return FXSize(s.w*c,s.h*c); }
inline FXSize operator*(FXshort c,const FXSize& s){ return FXSize(c*s.w,c*s.h); }
inline FXSize operator/(const FXSize& s,FXshort c){ return FXSize(s.w/c,s.h/c); }
inline FXSize operator/(FXshort c,const FXSize& s){ return FXSize(c/s.w,c/s.h); }
extern FXAPI FXStream& operator<<(FXStream& store,const FXSize& s);
extern FXAPI FXStream& operator>>(FXStream& store,FXSize& s);
}
#endif
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