point_f.h

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#pragma once
#include <cstdint>
#include <ostream>
#include <string>
#include <xtd/object.h>
#include <xtd/ustring.h>
#include "../drawing_export.h"
 
namespace xtd {
  namespace drawing {
    class size;
 
    class drawing_export_ point_f : public object {
    public:
      static const point_f empty;
      
      point_f() = default;
      point_f(float x, float y) : x_(x), y_(y) {}
 
      point_f(const point_f&) = default;
      point_f& operator=(const point_f&) = default;
      
      bool operator==(const point_f& value) const {return x_ == value.x_ && y_ == value.y_;}
      
      bool operator!=(const point_f& value) const {return !operator==(value);}
      
      bool is_empty() const {return *this == point_f::empty;}
 
      void offset(const point_f& pt) {offset(pt.x_, pt.y_);}
 
      void offset(float dx, float dy) {
        x_ += dx;
        y_ += dy;
      }
 
      xtd::ustring to_string() const noexcept override {return "{x=" + std::to_string(x_) + ", y=" + std::to_string(y_) + "}";}
      
      float x() const {return x_;}
      
      void x(float x) {x_ = x;}
      
      float y() const {return y_;}
 
      void y(float y) {y_ = y;}
 
      friend std::ostream& operator<<(std::ostream& os, const xtd::drawing::point_f& point) noexcept {
        return os << point.to_string();
      }
      
    private:
      float x_ = 0;
      float y_ = 0;
    };
  }
}