tiffio.h

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#define	TIFFGetG(abgr)	(((abgr) >> 8) & 0xff)
#define	TIFFGetB(abgr)	(((abgr) >> 16) & 0xff)
#define	TIFFGetA(abgr)	(((abgr) >> 24) & 0xff)

/*
 * A CODEC is a software package that implements decoding,
 * encoding, or decoding+encoding of a compression algorithm.
 * The library provides a collection of builtin codecs.
 * More codecs may be registered through calls to the library
 * and/or the builtin implementations may be overridden.
 */
typedef	int (*TIFFInitMethod)(TIFF*, int);
typedef struct {
	char*		name;
	uint16		scheme;
	TIFFInitMethod	init;
} TIFFCodec;

#include <stdio.h>
#include <stdarg.h>

/* share internal LogLuv conversion routines? */
#ifndef LOGLUV_PUBLIC
#define LOGLUV_PUBLIC		1	
#endif

#if defined(__cplusplus)
extern "C" {
#endif
typedef	void (*TIFFErrorHandler)(const char*, const char*, va_list);
typedef	tsize_t (*TIFFReadWriteProc)(thandle_t, tdata_t, tsize_t);
typedef	toff_t (*TIFFSeekProc)(thandle_t, toff_t, int);
typedef	int (*TIFFCloseProc)(thandle_t);
typedef	toff_t (*TIFFSizeProc)(thandle_t);
typedef	int (*TIFFMapFileProc)(thandle_t, tdata_t*, toff_t*);
typedef	void (*TIFFUnmapFileProc)(thandle_t, tdata_t, toff_t);
typedef	void (*TIFFExtendProc)(TIFF*); 

extern	const char* TIFFGetVersion(void);

extern	const TIFFCodec* TIFFFindCODEC(uint16);
extern	TIFFCodec* TIFFRegisterCODEC(uint16, const char*, TIFFInitMethod);
extern	void TIFFUnRegisterCODEC(TIFFCodec*);
extern  int TIFFIsCODECConfigured(uint16);

extern	tdata_t _TIFFmalloc(tsize_t);
extern	tdata_t _TIFFrealloc(tdata_t, tsize_t);
extern	void _TIFFmemset(tdata_t, int, tsize_t);
extern	void _TIFFmemcpy(tdata_t, const tdata_t, tsize_t);
extern	int _TIFFmemcmp(const tdata_t, const tdata_t, tsize_t);
extern	void _TIFFfree(tdata_t);

extern	void TIFFClose(TIFF*);
extern	int TIFFFlush(TIFF*);
extern	int TIFFFlushData(TIFF*);
extern	int TIFFGetField(TIFF*, ttag_t, ...);
extern	int TIFFVGetField(TIFF*, ttag_t, va_list);
extern	int TIFFGetFieldDefaulted(TIFF*, ttag_t, ...);
extern	int TIFFVGetFieldDefaulted(TIFF*, ttag_t, va_list);
extern	int TIFFReadDirectory(TIFF*);
extern	tsize_t TIFFScanlineSize(TIFF*);
extern	tsize_t TIFFRasterScanlineSize(TIFF*);
extern	tsize_t TIFFStripSize(TIFF*);
extern	tsize_t TIFFRawStripSize(TIFF*, tstrip_t);
extern	tsize_t TIFFVStripSize(TIFF*, uint32);
extern	tsize_t TIFFTileRowSize(TIFF*);
extern	tsize_t TIFFTileSize(TIFF*);
extern	tsize_t TIFFVTileSize(TIFF*, uint32);
extern	uint32 TIFFDefaultStripSize(TIFF*, uint32);
extern	void TIFFDefaultTileSize(TIFF*, uint32*, uint32*);
extern	int TIFFFileno(TIFF*);
extern	int TIFFGetMode(TIFF*);
extern	int TIFFIsTiled(TIFF*);
extern	int TIFFIsByteSwapped(TIFF*);
extern	int TIFFIsUpSampled(TIFF*);
extern	int TIFFIsMSB2LSB(TIFF*);
extern	uint32 TIFFCurrentRow(TIFF*);
extern	tdir_t TIFFCurrentDirectory(TIFF*);
extern	tdir_t TIFFNumberOfDirectories(TIFF*);
extern	uint32 TIFFCurrentDirOffset(TIFF*);
extern	tstrip_t TIFFCurrentStrip(TIFF*);
extern	ttile_t TIFFCurrentTile(TIFF*);
extern	int TIFFReadBufferSetup(TIFF*, tdata_t, tsize_t);
extern	int TIFFWriteBufferSetup(TIFF*, tdata_t, tsize_t);
extern	int TIFFSetupStrips(TIFF *);
extern  int TIFFWriteCheck(TIFF*, int, const char *);
extern  int TIFFCreateDirectory(TIFF*);
extern	int TIFFLastDirectory(TIFF*);
extern	int TIFFSetDirectory(TIFF*, tdir_t);
extern	int TIFFSetSubDirectory(TIFF*, uint32);
extern	int TIFFUnlinkDirectory(TIFF*, tdir_t);
extern	int TIFFSetField(TIFF*, ttag_t, ...);
extern	int TIFFVSetField(TIFF*, ttag_t, va_list);
extern	int TIFFWriteDirectory(TIFF *);
extern	int TIFFCheckpointDirectory(TIFF *);
extern	int TIFFRewriteDirectory(TIFF *);
extern	int TIFFReassignTagToIgnore(enum TIFFIgnoreSense, int);

#if defined(c_plusplus) || defined(__cplusplus)
extern	void TIFFPrintDirectory(TIFF*, FILE*, long = 0);
extern	int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
extern	int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t = 0);
extern	int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int = 0);
extern	int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*,
				      int = ORIENTATION_BOTLEFT, int = 0);
#else
extern	void TIFFPrintDirectory(TIFF*, FILE*, long);
extern	int TIFFReadScanline(TIFF*, tdata_t, uint32, tsample_t);
extern	int TIFFWriteScanline(TIFF*, tdata_t, uint32, tsample_t);
extern	int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int);
extern	int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int);
#endif

extern	int TIFFReadRGBAStrip(TIFF*, tstrip_t, uint32 * );
extern	int TIFFReadRGBATile(TIFF*, uint32, uint32, uint32 * );
extern	int TIFFRGBAImageOK(TIFF*, char [1024]);
extern	int TIFFRGBAImageBegin(TIFFRGBAImage*, TIFF*, int, char [1024]);
extern	int TIFFRGBAImageGet(TIFFRGBAImage*, uint32*, uint32, uint32);
extern	void TIFFRGBAImageEnd(TIFFRGBAImage*);
extern	TIFF* TIFFOpen(const char*, const char*);
extern	TIFF* TIFFFdOpen(int, const char*, const char*);
extern	TIFF* TIFFClientOpen(const char*, const char*,
	    thandle_t,
	    TIFFReadWriteProc, TIFFReadWriteProc,
	    TIFFSeekProc, TIFFCloseProc,
	    TIFFSizeProc,
	    TIFFMapFileProc, TIFFUnmapFileProc);
extern	const char* TIFFFileName(TIFF*);
extern	void TIFFError(const char*, const char*, ...);
extern	void TIFFWarning(const char*, const char*, ...);
extern	TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler);
extern	TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler);
extern	TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc);
extern	ttile_t TIFFComputeTile(TIFF*, uint32, uint32, uint32, tsample_t);
extern	int TIFFCheckTile(TIFF*, uint32, uint32, uint32, tsample_t);
extern	ttile_t TIFFNumberOfTiles(TIFF*);
extern	tsize_t TIFFReadTile(TIFF*,
	    tdata_t, uint32, uint32, uint32, tsample_t);
extern	tsize_t TIFFWriteTile(TIFF*,
	    tdata_t, uint32, uint32, uint32, tsample_t);
extern	tstrip_t TIFFComputeStrip(TIFF*, uint32, tsample_t);
extern	tstrip_t TIFFNumberOfStrips(TIFF*);
extern	tsize_t TIFFReadEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern	tsize_t TIFFReadRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern	tsize_t TIFFReadEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern	tsize_t TIFFReadRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern	tsize_t TIFFWriteEncodedStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern	tsize_t TIFFWriteRawStrip(TIFF*, tstrip_t, tdata_t, tsize_t);
extern	tsize_t TIFFWriteEncodedTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern	tsize_t TIFFWriteRawTile(TIFF*, ttile_t, tdata_t, tsize_t);
extern	int TIFFDataWidth(TIFFDataType);    /* table of tag datatype widths */
extern	void TIFFSetWriteOffset(TIFF*, toff_t);
extern	void TIFFSwabShort(uint16*);
extern	void TIFFSwabLong(uint32*);
extern	void TIFFSwabDouble(double*);
extern	void TIFFSwabArrayOfShort(uint16*, unsigned long);
extern	void TIFFSwabArrayOfLong(uint32*, unsigned long);
extern	void TIFFSwabArrayOfDouble(double*, unsigned long);
extern	void TIFFReverseBits(unsigned char *, unsigned long);
extern	const unsigned char* TIFFGetBitRevTable(int);

#ifdef LOGLUV_PUBLIC
#define U_NEU		0.210526316
#define V_NEU		0.473684211
#define UVSCALE		410.
extern	double LogL16toY(int);
extern	double LogL10toY(int);
extern	void XYZtoRGB24(float*, uint8*);
extern	int uv_decode(double*, double*, int);
extern	void LogLuv24toXYZ(uint32, float*);
extern	void LogLuv32toXYZ(uint32, float*);
#if defined(c_plusplus) || defined(__cplusplus)
extern	int LogL16fromY(double, int = SGILOGENCODE_NODITHER);
extern	int LogL10fromY(double, int = SGILOGENCODE_NODITHER);
extern	int uv_encode(double, double, int = SGILOGENCODE_NODITHER);
extern	uint32 LogLuv24fromXYZ(float*, int = SGILOGENCODE_NODITHER);
extern	uint32 LogLuv32fromXYZ(float*, int = SGILOGENCODE_NODITHER);
#else
extern	int LogL16fromY(double, int);
extern	int LogL10fromY(double, int);
extern	int uv_encode(double, double, int);
extern	uint32 LogLuv24fromXYZ(float*, int);
extern	uint32 LogLuv32fromXYZ(float*, int);
#endif
#endif /* LOGLUV_PUBLIC */

/*
** New stuff going public in 3.6.x.
*/
extern  int  TIFFGetTagListCount( TIFF * );
extern  ttag_t TIFFGetTagListEntry( TIFF *, int tag_index );
    
#define	TIFF_ANY	TIFF_NOTYPE	/* for field descriptor searching */
#define	TIFF_VARIABLE	-1		/* marker for variable length tags */
#define	TIFF_SPP	-2		/* marker for SamplesPerPixel tags */
#define	TIFF_VARIABLE2	-3		/* marker for uint32 var-length tags */

#define FIELD_CUSTOM    65    

typedef	struct {
	ttag_t	field_tag;		/* field's tag */
	short	field_readcount;	/* read count/TIFF_VARIABLE/TIFF_SPP */
	short	field_writecount;	/* write count/TIFF_VARIABLE */
	TIFFDataType field_type;	/* type of associated data */
        unsigned short field_bit;	/* bit in fieldsset bit vector */
	unsigned char field_oktochange;	/* if true, can change while writing */
	unsigned char field_passcount;	/* if true, pass dir count on set */
	char	*field_name;		/* ASCII name */
} TIFFFieldInfo;

typedef struct _TIFFTagValue {
    const TIFFFieldInfo  *info;
    int             count;
    void           *value;
} TIFFTagValue;

extern	void TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], int);
extern	const TIFFFieldInfo* TIFFFindFieldInfo(TIFF*, ttag_t, TIFFDataType);
extern	const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t);

typedef	int (*TIFFVSetMethod)(TIFF*, ttag_t, va_list);
typedef	int (*TIFFVGetMethod)(TIFF*, ttag_t, va_list);
typedef	void (*TIFFPrintMethod)(TIFF*, FILE*, long);
    
typedef struct {
    TIFFVSetMethod	vsetfield;	/* tag set routine */
    TIFFVGetMethod	vgetfield;	/* tag get routine */
    TIFFPrintMethod	printdir;	/* directory print routine */
} TIFFTagMethods;
        
extern  TIFFTagMethods *TIFFAccessTagMethods( TIFF * );
extern  void *TIFFGetClientInfo( TIFF *, const char * );
extern  void TIFFSetClientInfo( TIFF *, void *, const char * );
    
#if defined(__cplusplus)
}
#endif
#endif /* _TIFFIO_ */