177 lines
3.3 KiB
C++
177 lines
3.3 KiB
C++
/*!
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@file
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@author Albert Semenov
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@date 11/2007
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*/
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/*
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This file is part of MyGUI.
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MyGUI is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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MyGUI is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with MyGUI. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_TPONT_H__
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#define __MYGUI_TPONT_H__
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#include "MyGUI_Prerequest.h"
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namespace MyGUI
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{
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namespace types
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{
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template<typename T>
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struct TPoint
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{
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T left;
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T top;
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TPoint() :
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left(0),
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top(0)
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{
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}
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TPoint(T const& _left, T const& _top) :
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left(_left),
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top(_top)
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{
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}
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TPoint(TPoint const& _obj) :
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left(_obj.left),
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top(_obj.top)
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{
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}
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TPoint& operator -= (TPoint const& _obj)
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{
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left -= _obj.left;
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top -= _obj.top;
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return *this;
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}
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TPoint& operator += (TPoint const& _obj)
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{
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left += _obj.left;
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top += _obj.top;
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return *this;
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}
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TPoint operator - (TPoint const& _obj) const
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{
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return TPoint(left - _obj.left, top - _obj.top);
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}
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TPoint operator + (TPoint const& _obj) const
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{
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return TPoint(left + _obj.left, top + _obj.top);
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}
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TPoint& operator = (TPoint const& _obj)
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{
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left = _obj.left;
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top = _obj.top;
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return *this;
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}
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template<typename U>
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TPoint& operator = (TPoint<U> const& _obj)
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{
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left = _obj.left;
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top = _obj.top;
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return *this;
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}
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bool operator == (TPoint const& _obj) const
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{
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return ((left == _obj.left) && (top == _obj.top));
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}
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bool operator != (TPoint const& _obj) const
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{
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return ! ((left == _obj.left) && (top == _obj.top));
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}
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void clear()
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{
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left = top = 0;
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}
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void set(T const& _left, T const& _top)
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{
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left = _left;
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top = _top;
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}
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void swap(TPoint& _value)
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{
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TPoint tmp = _value;
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_value = *this;
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*this = tmp;
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}
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bool empty() const
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{
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return ((left == 0) && (top == 0));
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}
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std::string print() const
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{
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std::ostringstream stream;
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stream << *this;
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return stream.str();
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}
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static TPoint<T> parse(const std::string& _value)
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{
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TPoint<T> result;
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std::istringstream stream(_value);
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stream >> result.left >> result.top;
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if (stream.fail())
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{
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return TPoint<T>();
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}
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else
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{
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int item = stream.get();
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while (item != -1)
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{
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if (item != ' ' && item != '\t')
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return TPoint<T>();
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item = stream.get();
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}
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}
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return result;
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}
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friend std::ostream& operator << (std::ostream& _stream, const TPoint<T>& _value)
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{
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_stream << _value.left << " " << _value.top;
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return _stream;
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}
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friend std::istream& operator >> (std::istream& _stream, TPoint<T>& _value)
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{
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_stream >> _value.left >> _value.top;
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if (_stream.fail())
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_value.clear();
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return _stream;
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}
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};
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} // namespace types
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} // namespace MyGUI
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#endif // __MYGUI_TPONT_H__
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