ansi_fast.h

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#pragma once
 
#include "video/simd/ascii_simd.h"
#include <stdint.h>
#include <stdbool.h>
#include <stddef.h>
 
extern dec3_t dec3[256];
 
typedef enum {
  ANSI_MODE_FOREGROUND,           
  ANSI_MODE_BACKGROUND,           
  ANSI_MODE_FOREGROUND_BACKGROUND 
} ansi_color_mode_t;
 
typedef struct {
  double pixel_time;  
  double string_time; 
  double output_time; 
  double total_time;  
} ansi_timing_t;
 
void ansi_fast_init(void);
 
char *append_truecolor_fg(char *dst, uint8_t r, uint8_t g, uint8_t b);
 
char *append_truecolor_bg(char *dst, uint8_t r, uint8_t g, uint8_t b);
 
char *append_truecolor_fg_bg(char *dst, uint8_t fg_r, uint8_t fg_g, uint8_t fg_b, uint8_t bg_r, uint8_t bg_g,
                             uint8_t bg_b);
 
typedef struct {
  char *buffer;                   
  size_t capacity;                
  size_t length;                  
  uint8_t last_r, last_g, last_b; 
  ansi_color_mode_t mode;         
  bool first_pixel;               
} ansi_rle_context_t;
 
void ansi_rle_init(ansi_rle_context_t *ctx, char *buffer, size_t capacity, ansi_color_mode_t mode);
 
void ansi_rle_add_pixel(ansi_rle_context_t *ctx, uint8_t r, uint8_t g, uint8_t b, char ascii_char);
 
void ansi_rle_finish(ansi_rle_context_t *ctx);
 
void ansi_fast_init_256color(void);
 
char *append_256color_fg(char *dst, uint8_t color_index);
 
uint8_t rgb_to_256color(uint8_t r, uint8_t g, uint8_t b);
 
void ansi_fast_init_16color(void);
 
char *append_16color_fg(char *dst, uint8_t color_index);
 
char *append_16color_bg(char *dst, uint8_t color_index);
 
uint8_t rgb_to_16color(uint8_t r, uint8_t g, uint8_t b);
 
typedef struct {
  int r; 
  int g; 
  int b; 
} rgb_error_t;
 
void get_16color_rgb(uint8_t color_index, uint8_t *r, uint8_t *g, uint8_t *b);
 
uint8_t rgb_to_16color_dithered(int r, int g, int b, int x, int y, int width, int height, rgb_error_t *error_buffer);
 
// Terminal capability-aware color functions
#include "options/options.h"
 
char *append_color_fg_for_mode(char *dst, uint8_t r, uint8_t g, uint8_t b, terminal_color_mode_t mode);
 
// REMOVED: generate_ansi_frame_optimized function not implemented
// Complete frame generation with optimized ANSI string generation
// size_t generate_ansi_frame_optimized(const uint8_t *pixels, int width, int height, char *output_buffer,
//                                      size_t buffer_capacity, ansi_color_mode_t mode);