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

GIF_MAX_LZW

#define GIF_MAX_LZW   12

Typedef Documentation

gif_animation

typedef struct gif_animation gif_animation

gif_bitmap_callback_vt

typedef struct gif_bitmap_callback_vt gif_bitmap_callback_vt

gif_bitmap_cb_create

typedef void*(* gif_bitmap_cb_create) (int width, int height)

gif_bitmap_cb_destroy

typedef void(* gif_bitmap_cb_destroy) (void *bitmap)

gif_bitmap_cb_get_buffer

typedef unsigned char*(* gif_bitmap_cb_get_buffer) (void *bitmap)

gif_bitmap_cb_modified

typedef void(* gif_bitmap_cb_modified) (void *bitmap)

gif_bitmap_cb_set_opaque

typedef void(* gif_bitmap_cb_set_opaque) (void *bitmap, bool opaque)

gif_bitmap_cb_test_opaque

typedef bool(* gif_bitmap_cb_test_opaque) (void *bitmap)

gif_frame

typedef struct gif_frame gif_frame

Enumeration Type Documentation

gif_result

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

gif_create()

void gif_create	(	gif_animation *	gif,
		gif_bitmap_callback_vt *	bitmap_callbacks
	)

gif_decode_frame()

gif_result gif_decode_frame	(	gif_animation *	gif,
		unsigned int	frame
	)

gif_finalise()

void gif_finalise

(

gif_animation *

gif

)

gif_initialise()

gif_result gif_initialise	(	gif_animation *	gif,
		size_t	size,
		unsigned char *	data
	)