#ifndef _PALETTE_H
#define _PALETTE_H

#define PALETTE_BLACKWHITE 0
#define PALETTE_RAINBOW 1
#define PALETTE_BANDS 2
#define PALETTE_GREY_BANDS 3
#define PALETTE_WILRIK 4
#define PALETTE_OLIVER 5
#define PALETTE_RED 6
#define PALETTE_GREEN 7
#define PALETTE_BLUE 8

#define PALETTE_NAME_BLACKWHITE "Black and white"
#define PALETTE_NAME_RAINBOW "Rainbow"
#define PALETTE_NAME_BANDS "7 band rainbow"
#define PALETTE_NAME_GREY_BANDS "Grey bands"
#define PALETTE_NAME_WILRIK "Wilrik"
#define PALETTE_NAME_OLIVER "Oliver"
#define PALETTE_NAME_RED "Red only"
#define PALETTE_NAME_GREEN "Green only"
#define PALETTE_NAME_BLUE "Blue only"

#define PALETTE_MAXCOLORS 256

struct color4f {
  float r;
  float g;
  float b;
  float a;
};


void HSVtoRGB(float *r, float *g, float *b, float h, float s, float v);
void RGBtoHSV(float r, float g, float b, float *h, float *s, float *v);


struct color4f set_palette(int colormap_sort, float value, int num_colors);

#endif