openmw-tes3coop/extern/mygui_3.0.1/MyGUIEngine/include/MyGUI_TSize.h

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/*!
@file
@author Albert Semenov
@date 11/2007
@module
*/
/*
This file is part of MyGUI.
MyGUI 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.
MyGUI 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 MyGUI. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __MYGUI_TSIZE_H__
#define __MYGUI_TSIZE_H__
#include "MyGUI_Prerequest.h"
namespace MyGUI
{
namespace types
{
template< typename T > struct TSize
{
T width, height;
TSize() : width( 0 ), height( 0 ) { }
TSize( T const& w, T const& h) : width( w ), height( h ) { }
TSize( TSize const& o ) : width( o.width ), height( o.height ) { }
TSize& operator-=( TSize const& o )
{
width -= o.width;
height -= o.height;
return *this;
}
TSize& operator+=( TSize const& o )
{
width += o.width;
height += o.height;
return *this;
}
TSize operator-( TSize const& o ) const
{
return TSize(width - o.width, height - o.height);
}
TSize operator+( TSize const& o ) const
{
return TSize(width + o.width, height + o.height);
}
TSize& operator=( TSize const& o )
{
width = o.width;
height = o.height;
return *this;
}
template< typename U >
TSize& operator=( TSize<U> const& o )
{
width = o.width;
height = o.height;
return *this;
}
bool operator==( TSize const& o ) const
{
return ((width == o.width) && (height == o.height));
}
bool operator!=( TSize const& o ) const
{
return ! ((width == o.width) && (height == o.height));
}
void clear()
{
width = height = 0;
}
void set( T const& w, T const& h)
{
width = w;
height = h;
}
void swap(TSize& _value)
{
TSize tmp = _value;
_value = *this;
*this = tmp;
}
bool empty() const
{
return ((width == 0) && (height == 0));
}
std::string print() const
{
std::ostringstream stream;
stream << *this;
return stream.str();
}
static TSize<T> parse(const std::string& _value)
{
TSize<T> result;
std::istringstream stream(_value);
stream >> result.width >> result.height;
if (stream.fail()) return TSize<T>();
else
{
int item = stream.get();
while (item != -1)
{
if (item != ' ' && item != '\t') return TSize<T>();
item = stream.get();
}
}
return result;
}
friend std::ostream& operator << ( std::ostream& _stream, const TSize<T>& _value )
{
_stream << _value.width << " " << _value.height;
return _stream;
}
friend std::istream& operator >> ( std::istream& _stream, TSize<T>& _value )
{
_stream >> _value.width >> _value.height;
if (_stream.fail()) _value.clear();
return _stream;
}
};
} // namespace types
} // namespace MyGUI
#endif // __MYGUI_TSIZE_H__