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/*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_TSIZE_H_
#define MYGUI_TSIZE_H_
#include "MyGUI_Prerequest.h"
namespace MyGUI
{
namespace types
{
template<typename T>
struct TSize
{
T width;
T height;
TSize() :
width(0),
height(0)
{
}
TSize(T const& _width, T const& _height) :
width(_width),
height(_height)
{
}
TSize(TSize const& _obj) :
width(_obj.width),
height(_obj.height)
{
}
TSize& operator -= (TSize const& _obj)
{
width -= _obj.width;
height -= _obj.height;
return *this;
}
TSize& operator += (TSize const& _obj)
{
width += _obj.width;
height += _obj.height;
return *this;
}
TSize operator - (TSize const& _obj) const
{
return TSize(width - _obj.width, height - _obj.height);
}
TSize operator + (TSize const& _obj) const
{
return TSize(width + _obj.width, height + _obj.height);
}
TSize& operator = (TSize const& _obj)
{
width = _obj.width;
height = _obj.height;
return *this;
}
template<typename U>
TSize& operator = (TSize<U> const& _obj)
{
width = _obj.width;
height = _obj.height;
return *this;
}
bool operator == (TSize const& _obj) const
{
return ((width == _obj.width) && (height == _obj.height));
}
bool operator != (TSize const& _obj) const
{
return !((width == _obj.width) && (height == _obj.height));
}
void clear()
{
width = height = 0;
}
void set(T const& _width, T const& _height)
{
width = _width;
height = _height;
}
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_
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