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libnsgif.h File Reference

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Data Structures

struct  gif_frame
 
struct  gif_bitmap_callback_vt
 
struct  gif_animation
 

Macros

#define GIF_MAX_LZW   12
 

Typedefs

typedef struct gif_frame gif_frame
 
typedef void *(* gif_bitmap_cb_create )(int width, int height)
 
typedef void(* gif_bitmap_cb_destroy )(void *bitmap)
 
typedef unsigned char *(* gif_bitmap_cb_get_buffer )(void *bitmap)
 
typedef void(* gif_bitmap_cb_set_opaque )(void *bitmap, bool opaque)
 
typedef bool(* gif_bitmap_cb_test_opaque )(void *bitmap)
 
typedef void(* gif_bitmap_cb_modified )(void *bitmap)
 
typedef struct
gif_bitmap_callback_vt 
gif_bitmap_callback_vt
 
typedef struct gif_animation gif_animation
 

Enumerations

enum  gif_result {
  GIF_WORKING = 1, GIF_OK = 0, GIF_INSUFFICIENT_FRAME_DATA = -1, GIF_FRAME_DATA_ERROR = -2,
  GIF_INSUFFICIENT_DATA = -3, GIF_DATA_ERROR = -4, GIF_INSUFFICIENT_MEMORY = -5, GIF_FRAME_NO_DISPLAY = -6,
  GIF_END_OF_FRAME = -7
}
 

Functions

void gif_create (gif_animation *gif, gif_bitmap_callback_vt *bitmap_callbacks)
 
gif_result gif_initialise (gif_animation *gif, size_t size, unsigned char *data)
 
gif_result gif_decode_frame (gif_animation *gif, unsigned int frame)
 
void gif_finalise (gif_animation *gif)
 

Detailed Description

Progressive animated GIF file decoding (interface).

Macro Definition Documentation

#define GIF_MAX_LZW   12

Typedef Documentation

typedef struct gif_animation gif_animation
typedef void*(* gif_bitmap_cb_create)(int width, int height)
typedef void(* gif_bitmap_cb_destroy)(void *bitmap)
typedef unsigned char*(* gif_bitmap_cb_get_buffer)(void *bitmap)
typedef void(* gif_bitmap_cb_modified)(void *bitmap)
typedef void(* gif_bitmap_cb_set_opaque)(void *bitmap, bool opaque)
typedef bool(* gif_bitmap_cb_test_opaque)(void *bitmap)
typedef struct gif_frame gif_frame

Enumeration Type Documentation

enum gif_result
Enumerator
GIF_WORKING 
GIF_OK 
GIF_INSUFFICIENT_FRAME_DATA 
GIF_FRAME_DATA_ERROR 
GIF_INSUFFICIENT_DATA 
GIF_DATA_ERROR 
GIF_INSUFFICIENT_MEMORY 
GIF_FRAME_NO_DISPLAY 
GIF_END_OF_FRAME 

Function Documentation

void gif_create ( gif_animation gif,
gif_bitmap_callback_vt bitmap_callbacks 
)
gif_result gif_decode_frame ( gif_animation gif,
unsigned int  frame 
)
void gif_finalise ( gif_animation gif)
gif_result gif_initialise ( gif_animation gif,
size_t  size,
unsigned char *  data 
)