gifutil.h File Reference

(r1785/r1348)

#include "ccfile.h"
#include "dibconv.h"
#include "dibutil.h"

Go to the source code of this file.

Classes
struct	tagGIFINFOHEADER
struct	tagGIFIMAGEBLOCK
struct	tagGIFTRANSBLOCK
struct	tagGIFCOMMENTBLOCK
struct	tagGIFAPPLICATIONBLOCK
struct	tagGIFRGBTRIPLE
class	PaletteIterator
	Something that should have been done long ago... More...
class	Palette
	Something that should have been done long ago... More...
class	GIFUtil
	Contains functions to read in a GIF file as a DIB. More...
Defines
#define	INTERLACE   0x40
#define	LOCALCOLOURMAP   0x80
#define	GLOBALCOLOURMAP   0x80
#define	EXTENSIONBLOCK   0x21
#define	TRANSPARENTBLOCK   0xf9
#define	COMMENTBLOCK   0xfe
#define	APPLICATIONBLOCK   0xff
#define	PLAINTEXTBLOCK   0x01
#define	GIFBITS   12
#define	MAX_LWZ_BITS   12
#define	HSIZE   5003
Typedefs
typedef tagGIFINFOHEADER	GIFINFOHEADER
typedef tagGIFINFOHEADER *	LPGIFINFOHEADER
typedef tagGIFIMAGEBLOCK	GIFIMAGEBLOCK
typedef tagGIFIMAGEBLOCK *	LPGIFIMAGEBLOCK
typedef tagGIFTRANSBLOCK	GIFTRANSBLOCK
typedef tagGIFTRANSBLOCK *	LPGIFTRANSBLOCK
typedef tagGIFCOMMENTBLOCK	GIFCOMMENTBLOCK
typedef tagGIFCOMMENTBLOCK *	LPGIFCOMMENTBLOCK
typedef tagGIFAPPLICATIONBLOCK	GIFAPPLICATIONBLOCK
typedef tagGIFAPPLICATIONBLOCK *	LPGIFAPPLICATIONBLOCK
typedef tagGIFRGBTRIPLE	GIFRGBTRIPLE
typedef tagGIFRGBTRIPLE *	LPGIFRGBTRIPLE
typedef int	code_int
typedef long int	count_int
Enumerations
enum	GIFDisposalMethod { GDM_NONE = 0, GDM_LEAVE = 1, GDM_BACKTOBACK = 2, GDM_PREVIOUS = 3 }
Variables
const unsigned long	masks []
const int	maxbits = 12
const code_int	maxmaxcode = (code_int)1 << 12
const code_int	hsize = 5003

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Define Documentation

#define APPLICATIONBLOCK   0xff

Definition at line 77 of file gifutil.h.

#define COMMENTBLOCK   0xfe

Definition at line 68 of file gifutil.h.

#define EXTENSIONBLOCK   0x21

Definition at line 54 of file gifutil.h.

#define GIFBITS   12

Definition at line 106 of file gifutil.h.

#define GLOBALCOLOURMAP   0x80

Definition at line 51 of file gifutil.h.

#define HSIZE   5003

Definition at line 108 of file gifutil.h.

#define INTERLACE   0x40

Definition at line 49 of file gifutil.h.

#define LOCALCOLOURMAP   0x80

Definition at line 50 of file gifutil.h.

#define MAX_LWZ_BITS   12

Definition at line 107 of file gifutil.h.

#define PLAINTEXTBLOCK   0x01

Definition at line 88 of file gifutil.h.

#define TRANSPARENTBLOCK   0xf9

Definition at line 55 of file gifutil.h.

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Typedef Documentation

typedef int code_int

Definition at line 110 of file gifutil.h.

typedef long int count_int

Definition at line 111 of file gifutil.h.

typedef struct tagGIFAPPLICATIONBLOCK GIFAPPLICATIONBLOCK

typedef struct tagGIFCOMMENTBLOCK GIFCOMMENTBLOCK

typedef struct tagGIFIMAGEBLOCK GIFIMAGEBLOCK

typedef struct tagGIFINFOHEADER GIFINFOHEADER

typedef struct tagGIFRGBTRIPLE GIFRGBTRIPLE

typedef struct tagGIFTRANSBLOCK GIFTRANSBLOCK

typedef struct tagGIFAPPLICATIONBLOCK * LPGIFAPPLICATIONBLOCK

typedef struct tagGIFCOMMENTBLOCK * LPGIFCOMMENTBLOCK

typedef struct tagGIFIMAGEBLOCK * LPGIFIMAGEBLOCK

typedef struct tagGIFINFOHEADER * LPGIFINFOHEADER

typedef struct tagGIFRGBTRIPLE * LPGIFRGBTRIPLE

typedef struct tagGIFTRANSBLOCK * LPGIFTRANSBLOCK

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Enumeration Type Documentation

enum GIFDisposalMethod

Enumerator: GDM_NONE  GDM_LEAVE  GDM_BACKTOBACK  GDM_PREVIOUS  Definition at line 118 of file gifutil.h. { GDM_NONE = 0, // No disposal specified. The decoder is not required to take any action. GDM_LEAVE = 1, // Do not dispose. The graphic is to be left in place. GDM_BACKTOBACK = 2, // Restore to background color. The area used by the graphic must be restored to the background color. GDM_PREVIOUS = 3 // Restore to previous. The decoder is required to restore the area overwritten by the graphic with what was there prior to rendering the graphic. };

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Variable Documentation

const code_int hsize = 5003

Definition at line 116 of file gifutil.h.

const unsigned long masks[]

Initial value: { 0x0000, 0x0001, 0x0003, 0x0007, 0x000F, 0x001F, 0x003F, 0x007F, 0x00FF, 0x01FF, 0x03FF, 0x07FF, 0x0FFF, 0x1FFF, 0x3FFF, 0x7FFF, 0xFFFF } Definition at line 98 of file gifutil.h.

const int maxbits = 12

Definition at line 113 of file gifutil.h.

const code_int maxmaxcode = (code_int)1 << 12

Definition at line 114 of file gifutil.h.

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