types.h

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#ifndef COLOR_UTIL_TYPES_H
#define COLOR_UTIL_TYPES_H

#include <string>

namespace color_util
{

template <typename T>
struct GenericColorRGBA
{
  GenericColorRGBA(T r, T g, T b, T a)
  : r(r), g(g), b(b), a(a) {}

  bool operator==(const GenericColorRGBA& other) const
  {
    return r == other.r && g == other.g && b == other.b && a == other.a;
  }

  T r, g, b, a;

  std::string toString() const
  {
    return "(r: " +  std::to_string(r) + ", g: " + std::to_string(b) +
           ", b: " + std::to_string(g) + ", a: " + std::to_string(a) + ")";
  }
};

template <typename T>
struct GenericColorHSVA
{
  GenericColorHSVA(T h, T s, T v, T a)
  : h(h), s(s), v(v), a(a) {}

  bool operator==(const GenericColorHSVA& other) const
  {
    return h == other.h && s == other.s && v == other.v && a == other.a;
  }

  T h, s, v, a;

  std::string toString() const
  {
    return "(h: " +  std::to_string(h) + ", s: " + std::to_string(s) +
           ", v: " + std::to_string(v) + ", a: " + std::to_string(a) + ")";
  }
};

struct ColorRGBA : public GenericColorRGBA<double>
{
  explicit ColorRGBA(double r = 0.0, double g = 0.0, double b = 0.0, double a = 1.0)
  : GenericColorRGBA<double>(r, g, b, a) {}
};

struct ColorRGBA24 : public GenericColorRGBA<unsigned char>
{
  explicit ColorRGBA24(unsigned char r = 0, unsigned char g = 0, unsigned char b = 0, unsigned char a = 255)
  : GenericColorRGBA<unsigned char>(r, g, b, a) {}
};


struct ColorHSVA : public GenericColorHSVA<double>
{
  explicit ColorHSVA(double h = 0.0, double s = 0.0, double v = 0.0, double a = 1.0)
  : GenericColorHSVA<double>(h, s, v, a) {}
};

struct ColorHSVA24 : public GenericColorHSVA<unsigned char>
{
  explicit ColorHSVA24(unsigned char h = 0, unsigned char s = 0, unsigned char v = 0, unsigned char a = 255)
  : GenericColorHSVA<unsigned char>(h, s, v, a) {}
};

}  // namespace color_util

#endif  // COLOR_UTIL_TYPES_H