sgr.h

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#pragma once
 
#include <stdint.h>
#include <stddef.h>
 
// SGR cache initialization
void prewarm_sgr256_fg_cache(void);
void prewarm_sgr256_cache(void);
 
// 256-color SGR generation
char *get_sgr256_fg_string(uint8_t fg, uint8_t *len_out);
char *get_sgr256_bg_string(uint8_t bg, uint8_t *len_out);
char *get_sgr256_fg_bg_string(uint8_t fg, uint8_t bg, uint8_t *len_out);
 
// Truecolor SGR generation
char *append_sgr_reset(char *dst);
char *append_sgr_truecolor_fg(char *dst, uint8_t r, uint8_t g, uint8_t b);
char *append_sgr_truecolor_bg(char *dst, uint8_t r, uint8_t g, uint8_t b);
char *append_sgr_truecolor_fg_bg(char *dst, uint8_t fr, uint8_t fg, uint8_t fb, uint8_t br, uint8_t bg, uint8_t bb);