cc-stuff/cc-common.h

#ifndef _CC_COMMON_H_
#define _CC_COMMON_H_

#include <stdint.h>

typedef uint8_t GlyphBitmap[11];

struct rgba { uint8_t r, g, b, a; };
union color {
  struct rgba rgba;
  uint32_t v;
};

struct palette {
  const uint8_t count;
  union color colors[] __attribute__((counted_by(count)));
};

#define LENGTHOF(...) (sizeof(__VA_ARGS__) / sizeof(*(__VA_ARGS__)))
#define PALETTE(...) { .count = LENGTHOF((union color[]){__VA_ARGS__}), .colors = {__VA_ARGS__} }

struct palette *cc_alloc_palette(uint8_t count);
struct palette *cc_realloc_palette(struct palette* ptr, uint8_t count);
void cc_assign_palette(struct palette *dst, const struct palette *src);

const extern GlyphBitmap cc_font_atlas[256];
const extern struct palette cc_default_palette, cc_default_gray_palette;

#endif