color.h

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// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
 
#ifndef _SCENEPIC_COLOR_H_
#define _SCENEPIC_COLOR_H_
 
#include "matrix.h"
 
#include <Eigen/Core>
#include <cmath>
#include <cstdint>
#include <iostream>
#include <string>
 
namespace scenepic
{
  class Color : public Eigen::Vector3f
  {
  public:
    Color(void) : Eigen::Vector3f() {}
 
    Color(Eigen::Index rows, Eigen::Index cols) : Eigen::Vector3f(rows, cols) {}
 
    typedef Eigen::Vector3f Base;
 
    template<typename OtherDerived>
    Color(const Eigen::MatrixBase<OtherDerived>& other) : Eigen::Vector3f(other)
    {}
 
    template<typename OtherDerived>
    Color& operator=(const Eigen::MatrixBase<OtherDerived>& other)
    {
      this->Base::operator=(other);
      return *this;
    }
 
    Color(const Scalar& red, const Scalar& green, const Scalar& blue);
 
    static Color
    from_bytes(std::uint8_t red, std::uint8_t green, std::uint8_t blue);
 
    std::string to_html_hex() const;
 
    Scalar r() const;
    Scalar g() const;
    Scalar b() const;
 
    std::uint8_t R() const;
    std::uint8_t G() const;
    std::uint8_t B() const;
 
    Scalar& r();
    Scalar& g();
    Scalar& b();
 
    std::string to_string() const;
 
    bool is_none() const;
 
    static const Color None();
  };
 
  namespace Colors
  {
    const Color Black = Color::from_bytes(0, 0, 0);
    const Color White = Color::from_bytes(255, 255, 255);
    const Color Red = Color::from_bytes(255, 0, 0);
    const Color Maroon = Color::from_bytes(128, 0, 0);
    const Color Pink = Color::from_bytes(255, 200, 220);
    const Color Brown = Color::from_bytes(170, 110, 40);
    const Color Orange = Color::from_bytes(255, 150, 0);
    const Color Coral = Color::from_bytes(255, 215, 180);
    const Color Olive = Color::from_bytes(128, 128, 0);
    const Color Yellow = Color::from_bytes(255, 235, 0);
    const Color Beige = Color::from_bytes(255, 250, 200);
    const Color Lime = Color::from_bytes(190, 255, 0);
    const Color Green = Color::from_bytes(0, 190, 0);
    const Color Mint = Color::from_bytes(170, 255, 195);
    const Color Teal = Color::from_bytes(0, 128, 128);
    const Color Cyan = Color::from_bytes(100, 255, 255);
    const Color Navy = Color::from_bytes(0, 0, 128);
    const Color Blue = Color::from_bytes(67, 133, 255);
    const Color Purple = Color::from_bytes(130, 0, 150);
    const Color Lavender = Color::from_bytes(230, 190, 255);
    const Color Magenta = Color::from_bytes(255, 0, 255);
    const Color Gray = Color::from_bytes(128, 128, 128);
  } // namespace Colors
} // namespace scenepic
 
#endif