color.hxx

#ifndef art__paperback__graphics__color_hxx_
#define art__paperback__graphics__color_hxx_
 
#include <art/paperback/types.hxx>
 
namespace Art::Paperback::Graphics
{
 
  /// PDF color space enumeration.
  ///
  enum class Color_space
  {
    /// Device grey.
    ///
    device_grey,
 
    /// Device RGB.
    ///
    device_rgb
 
  };
 
  /// Represents an RGB color value.
  ///
  class Color_RGB
  {
  public:
    /// Constructor.
    ///
    Color_RGB();
 
    /// Constructor.
    ///
    Color_RGB(Color_RGB const&);
 
    /// Constructor.
    ///
    Color_RGB(Color_RGB&&);
 
    /// Constructor.
    ///
    Color_RGB(double, double, double);
 
    /// Access red component.
    ///
    double
    red() const;
 
    /// Access green component.
    ///
    double
    green() const;
 
    /// Access blue component.
    ///
    double
    blue() const;
 
    /// Assignment.
    ///
    Color_RGB&
    operator=(Color_RGB const&);
 
    /// Assignment.
    ///
    Color_RGB&
    operator=(Color_RGB&&);
 
  private:
    double _red{};
    double _green{};
    double _blue{};
 
  };
 
} // namespace Art::Paperback::Graphics
 
#endif