size_f.h

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#pragma once
#include <ostream>
#include <xtd/object.h>
#include <xtd/ustring.h>
#include "../drawing_export.h"
 
namespace xtd {
  namespace drawing {
    class point_f;
    
    class drawing_export_ size_f : public object {
    public:
      static const xtd::drawing::size_f empty;
      
      size_f() = default;
 
      explicit size_f(const xtd::drawing::point_f& point);
 
      size_f(float width, float height) : width_(width), height_(height) {}
 
      size_f(const xtd::drawing::size_f&) = default;
      bool operator==(const xtd::drawing::size_f& value) const {return width_ == value.width_ && height_ == value.height_;}      
      bool operator!=(const xtd::drawing::size_f& value) const {return !operator==(value);}
      size_f& operator=(const xtd::drawing::size_f& size) = default;
      size_f operator+(const xtd::drawing::size_f& size) const;
      size_f operator-(const xtd::drawing::size_f& size) const;
      size_f& operator+=(const xtd::drawing::size_f& size);
      size_f& operator-=(const xtd::drawing::size_f& size);
      
      float height() const {return height_;}
      
      void height(float height) {height_ = height;}
      
      float width() const {return width_;}
      
      void width(float width) {width_ = width;}
 
      static xtd::drawing::size_f add(const xtd::drawing::size_f& size1, const xtd::drawing::size_f& size2);
 
      bool is_empty() const {return *this == size_f::empty;}
 
      static xtd::drawing::size_f subtract(const xtd::drawing::size_f& sz1, const xtd::drawing::size_f& sz2);
 
      xtd::ustring to_string() const noexcept override {return "{width=" + std::to_string(width_) + ", height=" + std::to_string(height_) + "}";}
      
      friend std::ostream& operator<<(std::ostream& os, const xtd::drawing::size_f& size) noexcept {
        return os << size.to_string();
      }
      
    private:
      float width_ = 0;
      float height_ = 0;
    };
  }
}