comic_tiles.h

Go to the documentation of this file.

#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#include "jof.h"
#include "jof_produce.h"
#include "ra8_err.h"
#include "ra8_tile_cache.h"
 
#ifdef __cplusplus
extern "C" {
#endif

typedef enum : uint8_t {
  k_comic_tiles_decoded_bpp = 4U, 
} comic_tiles_const_t;

typedef struct {
  uint16_t tile_w;        
  uint16_t tile_h;        
  uint8_t  codec;         
  uint16_t max_width;     
  uint16_t max_height;    
  uint8_t* work;          
  size_t   work_cap;      
  uint8_t* webp_work;     
  size_t   webp_work_cap; 
  uint8_t* atlas;         
  size_t   atlas_cap;     
} comic_tiles_import_cfg_t;

typedef struct {
  ra8_tile_cache_t cache;       
  jof_memstore_t   store;       
  jof_info_t       info;        
  uint8_t*         scratch;     
  uint32_t         scratch_cap; 
  uint32_t         epoch;       
  bool             bound;       
} comic_tile_reader_t;

[[nodiscard]] ra8_err_t comic_tiles_footprint(const uint8_t* enc,
                                              size_t         len,
                                              uint16_t*      out_w,
                                              uint16_t*      out_h,
                                              uint64_t*      out_decoded_bytes);

[[nodiscard]] bool comic_tiles_over_budget(uint64_t decoded_bytes, uint64_t budget_bytes);

[[nodiscard]] ra8_err_t comic_tiles_init(comic_tile_reader_t*        r,
                                         const ra8_tile_cache_cfg_t* storage,
                                         uint8_t*                    scratch,
                                         uint32_t                    scratch_cap);

[[nodiscard]] ra8_err_t comic_tiles_import(comic_tile_reader_t*            r,
                                           const uint8_t*                  enc,
                                           size_t                          enc_len,
                                           const comic_tiles_import_cfg_t* cfg);

[[nodiscard]] ra8_err_t comic_tiles_info(const comic_tile_reader_t* r, jof_info_t* out_info);

[[nodiscard]] ra8_err_t
comic_tiles_tile(comic_tile_reader_t* r, uint16_t tile_x, uint16_t tile_y, ra8_tile_t* out_tile);

[[nodiscard]] ra8_err_t comic_tiles_release(comic_tile_reader_t* r, const uint8_t* pixels);
 
#ifdef __cplusplus
}
#endif