/********************************************************************************
* *
* S i z e C l a s s *
* *
*********************************************************************************
* Copyright (C) 1994,2024 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 3 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 program. If not, see *
********************************************************************************/
#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){ }
/// Return a non-const reference to the ith element
FXshort& operator[](FXint i){return (&w)[i];}
/// Return a const reference to the ith element
const FXshort& operator[](FXint i) const {return (&w)[i];}
/// Test if empty
FXbool empty() const { return w<=0 || h<=0; }
/// 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*=(FXshort c){ w*=c; h*=c; return *this; }
FXSize& operator/=(FXshort c){ w/=c; h/=c; return *this; }
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; }
/// Test if zero
FXbool operator!() const { return w==0 && h==0; }
/// Unary
FXSize operator+() const { return *this; }
FXSize operator-(){ return FXSize(-w,-h); }
};
/// Scale operators
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); }
/// Addition operators
inline FXSize operator+(const FXSize& a,const FXSize& b){ return FXSize(a.w+b.w,a.h+b.h); }
inline FXSize operator-(const FXSize& a,const FXSize& b){ return FXSize(a.w-b.w,a.h-b.h); }
/// Equality tests
inline FXbool operator==(const FXSize& a,FXshort n){ return a.w==n && a.h==n; }
inline FXbool operator!=(const FXSize& a,FXshort n){ return a.w!=n || a.h!=n; }
inline FXbool operator==(FXshort n,const FXSize& a){ return n==a.w && n==a.h; }
inline FXbool operator!=(FXshort n,const FXSize& a){ return n!=a.w || n!=a.h; }
/// Equality tests
inline FXbool operator==(const FXSize& a,const FXSize& b){ return a.w==b.w && a.h==b.h; }
inline FXbool operator!=(const FXSize& a,const FXSize& b){ return a.w!=b.w || a.h!=b.h; }
/// Inequality tests
inline FXbool operator<(const FXSize& a,FXshort n){ return a.w(const FXSize& a,FXshort n){ return a.w>n && a.h>n; }
inline FXbool operator>=(const FXSize& a,FXshort n){ return a.w>=n && a.h>=n; }
/// Inequality tests
inline FXbool operator<(FXshort n,const FXSize& a){ return n(FXshort n,const FXSize& a){ return n>a.w && n>a.h; }
inline FXbool operator>=(FXshort n,const FXSize& a){ return n>=a.w && n>=a.h; }
/// Inequality tests
inline FXbool operator<(const FXSize& a,const FXSize& b){ return a.w(const FXSize& a,const FXSize& b){ return a.w>b.w && a.h>b.h; }
inline FXbool operator>=(const FXSize& a,const FXSize& b){ return a.w>=b.w && a.h>=b.h; }
/// Lowest or highest components
inline FXSize lo(const FXSize& a,const FXSize& b){ return FXSize(Math::imin(a.w,b.w),Math::imin(a.h,b.h)); }
inline FXSize hi(const FXSize& a,const FXSize& b){ return FXSize(Math::imax(a.w,b.w),Math::imax(a.h,b.h)); }
/// Save object to a stream
extern FXAPI FXStream& operator<<(FXStream& store,const FXSize& s);
/// Load object from a stream
extern FXAPI FXStream& operator>>(FXStream& store,FXSize& s);
}
#endif