length.h

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#pragma once
#include "../../forms_export.h"
#include "length_unit.h"
#include <xtd/drawing/rectangle>
#include <xtd/iequatable>
#include <xtd/string>
 
namespace xtd {
  namespace forms {
    namespace style_sheets {
      class forms_export_ length : public xtd::iequatable<length>, public xtd::object {
      public:
        
        static const length empty;
        
        
        length() = default;
        
        explicit length(double value);
        
        length(double value, length_unit unit);
        
        length(const length&) = default;
        length& operator =(const length&) = default;
        
        
        double value() const noexcept;
        void value(double value) noexcept;
        
        length_unit unit() const noexcept;
        void unit(length_unit value) noexcept;
        
        
        using object::equals;
        bool equals(const length& other) const noexcept override;
        
        int32 get_pixels(const xtd::drawing::rectangle& rect) const noexcept;
        
        xtd::string to_string() const noexcept override;
        
      private:
        double value_ = -1;
        length_unit unit_ = length_unit::pixels;
      };
    }
  }
}