MyGUI_TRect.h

Go to the documentation of this file.

/*
 * 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_TRECT_H_
#define MYGUI_TRECT_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_StringUtility.h"
 
namespace MyGUI::types
{
 
    template<typename T>
    struct TRect
    {
        T left{};
        T top{};
        T right{};
        T bottom{};
 
        TRect() = default;
 
        TRect(T const& _left, T const& _top, T const& _right, T const& _bottom) :
            left(_left),
            top(_top),
            right(_right),
            bottom(_bottom)
        {
        }
 
 
        TRect& operator-=(TRect const& _obj)
        {
            left -= _obj.left;
            top -= _obj.top;
            right -= _obj.right;
            bottom -= _obj.bottom;
            return *this;
        }
 
        TRect& operator+=(TRect const& _obj)
        {
            left += _obj.left;
            top += _obj.top;
            right += _obj.right;
            bottom += _obj.bottom;
            return *this;
        }
 
        TRect operator-(TRect const& _obj) const
        {
            return TRect(left - _obj.left, top - _obj.top, right - _obj.right, bottom - _obj.bottom);
        }
 
        TRect operator+(TRect const& _obj) const
        {
            return TRect(left + _obj.left, top + _obj.top, right + _obj.right, bottom + _obj.bottom);
        }
 
        template<typename U>
        TRect& operator=(TRect<U> const& _obj)
        {
            left = _obj.left;
            top = _obj.top;
            right = _obj.right;
            bottom = _obj.bottom;
            return *this;
        }
 
        bool operator==(TRect const& _obj) const
        {
            return ((left == _obj.left) && (top == _obj.top) && (right == _obj.right) && (bottom == _obj.bottom));
        }
 
        bool operator!=(TRect const& _obj) const
        {
            return !((left == _obj.left) && (top == _obj.top) && (right == _obj.right) && (bottom == _obj.bottom));
        }
 
        T width() const
        {
            return right - left;
        }
 
        T height() const
        {
            return bottom - top;
        }
 
        void clear()
        {
            left = top = right = bottom = 0;
        }
 
        void set(T const& _left, T const& _top, T const& _right, T const& _bottom)
        {
            left = _left;
            top = _top;
            right = _right;
            bottom = _bottom;
        }
 
        void swap(TRect& _value)
        {
            TRect tmp = _value;
            _value = *this;
            *this = tmp;
        }
 
        bool empty() const
        {
            return ((left == 0) && (top == 0) && (right == 0) && (bottom == 0));
        }
 
        bool inside(const TRect<T>& _value) const
        {
            return (
                (_value.left >= left) && (_value.right <= right) && (_value.top >= top) && (_value.bottom <= bottom));
        }
 
        bool intersect(const TRect<T>& _value) const
        {
            return (
                (_value.left <= right) && (_value.right >= left) && (_value.top <= bottom) && (_value.bottom >= top));
        }
 
        bool inside(const TPoint<T>& _value) const
        {
            return ((_value.left >= left) && (_value.left <= right) && (_value.top >= top) && (_value.top <= bottom));
        }
 
        std::string print() const
        {
            std::ostringstream stream;
            stream << *this;
            return stream.str();
        }
 
        static TRect<T> parse(std::string_view _value)
        {
            return utility::parseValue<TRect<T>>(_value);
        }
 
        friend std::ostream& operator<<(std::ostream& _stream, const TRect<T>& _value)
        {
            _stream << _value.left << " " << _value.top << " " << _value.right << " " << _value.bottom;
            return _stream;
        }
 
        friend std::istream& operator>>(std::istream& _stream, TRect<T>& _value)
        {
            _stream >> _value.left >> _value.top >> _value.right >> _value.bottom;
            if (_stream.fail())
                _value.clear();
            return _stream;
        }
    };
 
} // namespace MyGUI
 
#endif // MYGUI_TRECT_H_