#ifndef BG_STYLE_H
#define BG_STYLE_H

#include <SDL.h> // SDL_Color

typedef struct {
  struct {
    int base,
        amplitude,
        phase,
        period;
  } r, g, b, a;
} bg_style_t;

SDL_Color
bg_style_get_color(
  const bg_style_t * const,
  const Uint32
);

#endif /* BG_STYLE_H */