EGIFLIB.C File Reference

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Defines
#define	COMMENT_EXT_FUNC_CODE   'C'
#define	GIF_STAMP87   "GIF87a"
#define	GIF_STAMP89   "GIF89a"
#define	ZL_MAX_CODE   4095
#define	FILE_STATE_WRITE   0x01
#define	FILE_STATE_SCREEN   0x02
#define	FILE_STATE_IMAGE   0x04
#define	FLUSH_OUTPUT   4096
#define	FIRST_CODE   4097
#define	IS_WRITEABLE(Private)   (Private -> FileState & FILE_STATE_WRITE)
Functions
GifFileType *	EGifOpenFileName (char *FileName, long TestExistance, long version)
GifFileType *	EGifOpenFileHandle (char *filename, long version)
long	EGifPutScreenDesc (GifFileType *GifFile, long Width, long Height, long ColorRes, long BackGround, long BitsPerPixel, GifColorType *ColorMap)
long	EGifPutImageDesc (GifFileType *GifFile, long Left, long Top, long Width, long Height, long Interlace, long BitsPerPixel, GifColorType *ColorMap)
long	EGifPutControlDesc (GifFileType *GifFile, long transp, ByteType transpid, long delay, long dummy)
long	EGifPutBrowserControlDesc (GifFileType *GifFile, long repeat)
long	EGifPutLine (GifFileType *GifFile, PixelType *Line, long LineLen)
long	EGifPutCode (GifFileType *GifFile, long CodeSize, ByteType *CodeBlock)
long	EGifPutCodeNext (GifFileType *GifFile, ByteType *CodeBlock)
long	EGifCloseFile (GifFileType *GifFile)
Variables
long	_GifError

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Define Documentation

#define COMMENT_EXT_FUNC_CODE   'C'

Definition at line 16 of file EGIFLIB.C.

#define GIF_STAMP87   "GIF87a"

Definition at line 17 of file EGIFLIB.C.

Referenced by EGifOpenFileHandle().

#define GIF_STAMP89   "GIF89a"

Definition at line 18 of file EGIFLIB.C.

Referenced by EGifOpenFileHandle().

#define ZL_MAX_CODE   4095

Definition at line 19 of file EGIFLIB.C.

#define FILE_STATE_WRITE   0x01

Definition at line 21 of file EGIFLIB.C.

Referenced by EGifOpenFileHandle().

#define FILE_STATE_SCREEN   0x02

Definition at line 22 of file EGIFLIB.C.

Referenced by EGifPutScreenDesc().

#define FILE_STATE_IMAGE   0x04

Definition at line 23 of file EGIFLIB.C.

Referenced by EGifPutImageDesc().

#define FLUSH_OUTPUT   4096

Definition at line 25 of file EGIFLIB.C.

#define FIRST_CODE   4097

Definition at line 26 of file EGIFLIB.C.

#define IS_WRITEABLE

(

Private

)

(Private -> FileState & FILE_STATE_WRITE)

Definition at line 28 of file EGIFLIB.C.

Referenced by EGifCloseFile(), EGifPutBrowserControlDesc(), EGifPutCode(), EGifPutControlDesc(), EGifPutImageDesc(), EGifPutLine(), and EGifPutScreenDesc().

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Function Documentation

GifFileType* EGifOpenFileName	(	char *	FileName,
		long	TestExistance,
		long	version
	)

Definition at line 80 of file EGIFLIB.C.

References EGifOpenFileHandle().

Referenced by _BuildGif().

GifFileType* EGifOpenFileHandle	(	char *	filename,
		long	version
	)

Definition at line 90 of file EGIFLIB.C.

References _GifError, _InitHashTable(), E_GIF_ERR_NotEnoughMem, E_GIF_ERR_WriteFailed, ERROR, FILE_STATE_WRITE, GIF_STAMP87, GIF_STAMP89, GifFile, VoidPtr, X__Free, and X__Malloc.

Referenced by EGifOpenFileName().

long EGifPutScreenDesc	(	GifFileType *	GifFile,
		long	Width,
		long	Height,
		long	ColorRes,
		long	BackGround,
		long	BitsPerPixel,
		GifColorType *	ColorMap
	)

Definition at line 140 of file EGIFLIB.C.

References _GifError, GifColorType::Blue, E_GIF_ERR_HasScrnDscr, E_GIF_ERR_NotWriteable, E_GIF_ERR_WriteFailed, ERROR, FILE_STATE_SCREEN, GifColorType::Green, IS_WRITEABLE, OK, GifColorType::Red, and X__Malloc.

Referenced by _BuildGif().

long EGifPutImageDesc	(	GifFileType *	GifFile,
		long	Left,
		long	Top,
		long	Width,
		long	Height,
		long	Interlace,
		long	BitsPerPixel,
		GifColorType *	ColorMap
	)

Definition at line 207 of file EGIFLIB.C.

References _GifError, GifColorType::Blue, E_GIF_ERR_HasImagDscr, E_GIF_ERR_NoColorMap, E_GIF_ERR_NotWriteable, E_GIF_ERR_WriteFailed, ERROR, FILE_STATE_IMAGE, GifColorType::Green, IS_WRITEABLE, OK, GifColorType::Red, X__Free, and X__Malloc.

Referenced by _BuildGif().

long EGifPutControlDesc	(	GifFileType *	GifFile,
		long	transp,
		ByteType	transpid,
		long	delay,
		long	dummy
	)

Definition at line 281 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_NotWriteable, ERROR, IS_WRITEABLE, and OK.

Referenced by _BuildGif().

long EGifPutBrowserControlDesc	(	GifFileType *	GifFile,
		long	repeat
	)

Definition at line 307 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_NotWriteable, ERROR, IS_WRITEABLE, and OK.

Referenced by _BuildGif().

long EGifPutLine	(	GifFileType *	GifFile,
		PixelType *	Line,
		long	LineLen
	)

Definition at line 337 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_DataTooBig, E_GIF_ERR_NotWriteable, ERROR, and IS_WRITEABLE.

Referenced by _BuildGif().

long EGifPutCode	(	GifFileType *	GifFile,
		long	CodeSize,
		ByteType *	CodeBlock
	)

Definition at line 364 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_NotWriteable, EGifPutCodeNext(), ERROR, and IS_WRITEABLE.

long EGifPutCodeNext	(	GifFileType *	GifFile,
		ByteType *	CodeBlock
	)

Definition at line 387 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_WriteFailed, ERROR, and OK.

Referenced by EGifPutCode().

long EGifCloseFile

(

GifFileType *

GifFile

)

Definition at line 412 of file EGIFLIB.C.

References _GifError, E_GIF_ERR_CloseFailed, E_GIF_ERR_NotWriteable, ERROR, IS_WRITEABLE, OK, and X__Free.

Referenced by _BuildGif().

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Variable Documentation

long _GifError

Definition at line 55 of file EGIFLIB.C.

Referenced by EGifCloseFile(), EGifOpenFileHandle(), EGifPutBrowserControlDesc(), EGifPutCode(), EGifPutCodeNext(), EGifPutControlDesc(), EGifPutImageDesc(), EGifPutLine(), and EGifPutScreenDesc().