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/* $Id: tiffio.h,v 1.91 2012-07-29 15:45:29 tgl Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler * Copyright (c) 1991-1997 Silicon Graphics, Inc. * * Permission to use, copy, modify, distribute, and sell this software and * its documentation for any purpose is hereby granted without fee, provided * that (i) the above copyright notices and this permission notice appear in * all copies of the software and related documentation, and (ii) the names of * Sam Leffler and Silicon Graphics may not be used in any advertising or * publicity relating to the software without the specific, prior written * permission of Sam Leffler and Silicon Graphics. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE * OF THIS SOFTWARE. */ #ifndef _TIFFIO_ #define _TIFFIO_ /* * TIFF I/O Library Definitions. */ #include "tiff.h" #include "tiffvers.h" /* * TIFF is defined as an incomplete type to hide the * library's internal data structures from clients. */ typedef struct tiff TIFF; /* * The following typedefs define the intrinsic size of * data types used in the *exported* interfaces. These * definitions depend on the proper definition of types * in tiff.h. Note also that the varargs interface used * to pass tag types and values uses the types defined in * tiff.h directly. * * NB: ttag_t is unsigned int and not unsigned short because * ANSI C requires that the type before the ellipsis be a * promoted type (i.e. one of int, unsigned int, pointer, * or double) and because we defined pseudo-tags that are * outside the range of legal Aldus-assigned tags. * NB: tsize_t is int32 and not uint32 because some functions * return -1. * NB: toff_t is not off_t for many reasons; TIFFs max out at * 32-bit file offsets, and BigTIFF maxes out at 64-bit * offsets being the most important, and to ensure use of * a consistently unsigned type across architectures. * Prior to libtiff 4.0, this was an unsigned 32 bit type. */ /* * this is the machine addressing size type, only it's signed, so make it * int32 on 32bit machines, int64 on 64bit machines */ typedef TIFF_SSIZE_T tmsize_t; typedef uint64 toff_t; /* file offset */ /* the following are deprecated and should be replaced by their defining counterparts */ typedef uint32 ttag_t; /* directory tag */ typedef uint16 tdir_t; /* directory index */ typedef uint16 tsample_t; /* sample number */ typedef uint32 tstrile_t; /* strip or tile number */ typedef tstrile_t tstrip_t; /* strip number */ typedef tstrile_t ttile_t; /* tile number */ typedef tmsize_t tsize_t; /* i/o size in bytes */ typedef void* tdata_t; /* image data ref */ #if !defined(__WIN32__) && (defined(_WIN32) || defined(WIN32)) #define __WIN32__ #endif /* * On windows you should define USE_WIN32_FILEIO if you are using tif_win32.c * or AVOID_WIN32_FILEIO if you are using something else (like tif_unix.c). * * By default tif_unix.c is assumed. */ #if defined(_WINDOWS) || defined(__WIN32__) || defined(_Windows) # if !defined(__CYGWIN) && !defined(AVOID_WIN32_FILEIO) && !defined(USE_WIN32_FILEIO) # define AVOID_WIN32_FILEIO # endif #endif #if defined(USE_WIN32_FILEIO) # define VC_EXTRALEAN # include <windows.h> # ifdef __WIN32__ DECLARE_HANDLE(thandle_t); /* Win32 file handle */ # else typedef HFILE thandle_t; /* client data handle */ # endif /* __WIN32__ */ #else typedef void* thandle_t; /* client data handle */ #endif /* USE_WIN32_FILEIO */ /* * Flags to pass to TIFFPrintDirectory to control * printing of data structures that are potentially * very large. Bit-or these flags to enable printing * multiple items. */ #define TIFFPRINT_NONE 0x0 /* no extra info */ #define TIFFPRINT_STRIPS 0x1 /* strips/tiles info */ #define TIFFPRINT_CURVES 0x2 /* color/gray response curves */ #define TIFFPRINT_COLORMAP 0x4 /* colormap */ #define TIFFPRINT_JPEGQTABLES 0x100 /* JPEG Q matrices */ #define TIFFPRINT_JPEGACTABLES 0x200 /* JPEG AC tables */ #define TIFFPRINT_JPEGDCTABLES 0x200 /* JPEG DC tables */ /* * Colour conversion stuff */ /* reference white */ #define D65_X0 (95.0470F) #define D65_Y0 (100.0F) #define D65_Z0 (108.8827F) #define D50_X0 (96.4250F) #define D50_Y0 (100.0F) #define D50_Z0 (82.4680F) /* Structure for holding information about a display device. */ typedef unsigned char TIFFRGBValue; /* 8-bit samples */ typedef struct { float d_mat[3][3]; /* XYZ -> luminance matrix */ float d_YCR; /* Light o/p for reference white */ float d_YCG; float d_YCB; uint32 d_Vrwr; /* Pixel values for ref. white */ uint32 d_Vrwg; uint32 d_Vrwb; float d_Y0R; /* Residual light for black pixel */ float d_Y0G; float d_Y0B; float d_gammaR; /* Gamma values for the three guns */ float d_gammaG; float d_gammaB; } TIFFDisplay; typedef struct { /* YCbCr->RGB support */ TIFFRGBValue* clamptab; /* range clamping table */ int* Cr_r_tab; int* Cb_b_tab; int32* Cr_g_tab; int32* Cb_g_tab; int32* Y_tab; } TIFFYCbCrToRGB; typedef struct { /* CIE Lab 1976->RGB support */ int range; /* Size of conversion table */ #define CIELABTORGB_TABLE_RANGE 1500 float rstep, gstep, bstep; float X0, Y0, Z0; /* Reference white point */ TIFFDisplay display; float Yr2r[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yr to r */ float Yg2g[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yg to g */ float Yb2b[CIELABTORGB_TABLE_RANGE + 1]; /* Conversion of Yb to b */ } TIFFCIELabToRGB; /* * RGBA-style image support. */ typedef struct _TIFFRGBAImage TIFFRGBAImage; /* * The image reading and conversion routines invoke * ``put routines'' to copy/image/whatever tiles of * raw image data. A default set of routines are * provided to convert/copy raw image data to 8-bit * packed ABGR format rasters. Applications can supply * alternate routines that unpack the data into a * different format or, for example, unpack the data * and draw the unpacked raster on the display. */ typedef void (*tileContigRoutine) (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, unsigned char*); typedef void (*tileSeparateRoutine) (TIFFRGBAImage*, uint32*, uint32, uint32, uint32, uint32, int32, int32, unsigned char*, unsigned char*, unsigned char*, unsigned char*); /* * RGBA-reader state. */ struct _TIFFRGBAImage { TIFF* tif; /* image handle */ int stoponerr; /* stop on read error */ int isContig; /* data is packed/separate */ int alpha; /* type of alpha data present */ uint32 width; /* image width */ uint32 height; /* image height */ uint16 bitspersample; /* image bits/sample */ uint16 samplesperpixel; /* image samples/pixel */ uint16 orientation; /* image orientation */ uint16 req_orientation; /* requested orientation */ uint16 photometric; /* image photometric interp */ uint16* redcmap; /* colormap pallete */ uint16* greencmap; uint16* bluecmap; /* get image data routine */ int (*get)(TIFFRGBAImage*, uint32*, uint32, uint32); /* put decoded strip/tile */ union { void (*any)(TIFFRGBAImage*); tileContigRoutine contig; tileSeparateRoutine separate; } put; TIFFRGBValue* Map; /* sample mapping array */ uint32** BWmap; /* black&white map */ uint32** PALmap; /* palette image map */ TIFFYCbCrToRGB* ycbcr; /* YCbCr conversion state */ TIFFCIELabToRGB* cielab; /* CIE L*a*b conversion state */ uint8* UaToAa; /* Unassociated alpha to associated alpha convertion LUT */ uint8* Bitdepth16To8; /* LUT for conversion from 16bit to 8bit values */ int row_offset; int col_offset; }; /* * Macros for extracting components from the * packed ABGR form returned by TIFFReadRGBAImage. */ #define TIFFGetR(abgr) ((abgr) & 0xff) #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(__GNUC__) && !defined(__attribute__) # define __attribute__(x) /*nothing*/ #endif #if defined(c_plusplus) || defined(__cplusplus) extern "C" { #endif typedef void (*TIFFErrorHandler)(const char*, const char*, va_list); typedef void (*TIFFErrorHandlerExt)(thandle_t, const char*, const char*, va_list); typedef tmsize_t (*TIFFReadWriteProc)(thandle_t, void*, tmsize_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, void** base, toff_t* size); typedef void (*TIFFUnmapFileProc)(thandle_t, void* base, toff_t size); 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 TIFFCodec* TIFFGetConfiguredCODECs(void); /* * Auxiliary functions. */ extern void* _TIFFmalloc(tmsize_t s); extern void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz); extern void* _TIFFrealloc(void* p, tmsize_t s); extern void _TIFFmemset(void* p, int v, tmsize_t c); extern void _TIFFmemcpy(void* d, const void* s, tmsize_t c); extern int _TIFFmemcmp(const void* p1, const void* p2, tmsize_t c); extern void _TIFFfree(void* p); /* ** Stuff, related to tag handling and creating custom tags. */ extern int TIFFGetTagListCount( TIFF * ); extern uint32 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 _TIFFField TIFFField; typedef struct _TIFFFieldArray TIFFFieldArray; extern const TIFFField* TIFFFindField(TIFF *, uint32, TIFFDataType); extern const TIFFField* TIFFFieldWithTag(TIFF*, uint32); extern const TIFFField* TIFFFieldWithName(TIFF*, const char *); extern uint32 TIFFFieldTag(const TIFFField*); extern const char* TIFFFieldName(const TIFFField*); extern TIFFDataType TIFFFieldDataType(const TIFFField*); extern int TIFFFieldPassCount(const TIFFField*); extern int TIFFFieldReadCount(const TIFFField*); extern int TIFFFieldWriteCount(const TIFFField*); typedef int (*TIFFVSetMethod)(TIFF*, uint32, va_list); typedef int (*TIFFVGetMethod)(TIFF*, uint32, 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 *); extern void TIFFCleanup(TIFF* tif); extern void TIFFClose(TIFF* tif); extern int TIFFFlush(TIFF* tif); extern int TIFFFlushData(TIFF* tif); extern int TIFFGetField(TIFF* tif, uint32 tag, ...); extern int TIFFVGetField(TIFF* tif, uint32 tag, va_list ap); extern int TIFFGetFieldDefaulted(TIFF* tif, uint32 tag, ...); extern int TIFFVGetFieldDefaulted(TIFF* tif, uint32 tag, va_list ap); extern int TIFFReadDirectory(TIFF* tif); extern int TIFFReadCustomDirectory(TIFF* tif, toff_t diroff, const TIFFFieldArray* infoarray); extern int TIFFReadEXIFDirectory(TIFF* tif, toff_t diroff); extern uint64 TIFFScanlineSize64(TIFF* tif); extern tmsize_t TIFFScanlineSize(TIFF* tif); extern uint64 TIFFRasterScanlineSize64(TIFF* tif); extern tmsize_t TIFFRasterScanlineSize(TIFF* tif); extern uint64 TIFFStripSize64(TIFF* tif); extern tmsize_t TIFFStripSize(TIFF* tif); extern uint64 TIFFRawStripSize64(TIFF* tif, uint32 strip); extern tmsize_t TIFFRawStripSize(TIFF* tif, uint32 strip); extern uint64 TIFFVStripSize64(TIFF* tif, uint32 nrows); extern tmsize_t TIFFVStripSize(TIFF* tif, uint32 nrows); extern uint64 TIFFTileRowSize64(TIFF* tif); extern tmsize_t TIFFTileRowSize(TIFF* tif); extern uint64 TIFFTileSize64(TIFF* tif); extern tmsize_t TIFFTileSize(TIFF* tif); extern uint64 TIFFVTileSize64(TIFF* tif, uint32 nrows); extern tmsize_t TIFFVTileSize(TIFF* tif, uint32 nrows); extern uint32 TIFFDefaultStripSize(TIFF* tif, uint32 request); extern void TIFFDefaultTileSize(TIFF*, uint32*, uint32*); extern int TIFFFileno(TIFF*); extern int TIFFSetFileno(TIFF*, int); extern thandle_t TIFFClientdata(TIFF*); extern thandle_t TIFFSetClientdata(TIFF*, thandle_t); extern int TIFFGetMode(TIFF*); extern int TIFFSetMode(TIFF*, int); extern int TIFFIsTiled(TIFF*); extern int TIFFIsByteSwapped(TIFF*); extern int TIFFIsUpSampled(TIFF*); extern int TIFFIsMSB2LSB(TIFF*); extern int TIFFIsBigEndian(TIFF*); extern TIFFReadWriteProc TIFFGetReadProc(TIFF*); extern TIFFReadWriteProc TIFFGetWriteProc(TIFF*); extern TIFFSeekProc TIFFGetSeekProc(TIFF*); extern TIFFCloseProc TIFFGetCloseProc(TIFF*); extern TIFFSizeProc TIFFGetSizeProc(TIFF*); extern TIFFMapFileProc TIFFGetMapFileProc(TIFF*); extern TIFFUnmapFileProc TIFFGetUnmapFileProc(TIFF*); extern uint32 TIFFCurrentRow(TIFF*); extern uint16 TIFFCurrentDirectory(TIFF*); extern uint16 TIFFNumberOfDirectories(TIFF*); extern uint64 TIFFCurrentDirOffset(TIFF*); extern uint32 TIFFCurrentStrip(TIFF*); extern uint32 TIFFCurrentTile(TIFF* tif); extern int TIFFReadBufferSetup(TIFF* tif, void* bp, tmsize_t size); extern int TIFFWriteBufferSetup(TIFF* tif, void* bp, tmsize_t size); extern int TIFFSetupStrips(TIFF *); extern int TIFFWriteCheck(TIFF*, int, const char *); extern void TIFFFreeDirectory(TIFF*); extern int TIFFCreateDirectory(TIFF*); extern int TIFFCreateCustomDirectory(TIFF*,const TIFFFieldArray*); extern int TIFFCreateEXIFDirectory(TIFF*); extern int TIFFLastDirectory(TIFF*); extern int TIFFSetDirectory(TIFF*, uint16); extern int TIFFSetSubDirectory(TIFF*, uint64); extern int TIFFUnlinkDirectory(TIFF*, uint16); extern int TIFFSetField(TIFF*, uint32, ...); extern int TIFFVSetField(TIFF*, uint32, va_list); extern int TIFFUnsetField(TIFF*, uint32); extern int TIFFWriteDirectory(TIFF *); extern int TIFFWriteCustomDirectory(TIFF *, uint64 *); extern int TIFFCheckpointDirectory(TIFF *); extern int TIFFRewriteDirectory(TIFF *); #if defined(c_plusplus) || defined(__cplusplus) extern void TIFFPrintDirectory(TIFF*, FILE*, long = 0); extern int TIFFReadScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 0); extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample = 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* tif, void* buf, uint32 row, uint16 sample); extern int TIFFWriteScanline(TIFF* tif, void* buf, uint32 row, uint16 sample); extern int TIFFReadRGBAImage(TIFF*, uint32, uint32, uint32*, int); extern int TIFFReadRGBAImageOriented(TIFF*, uint32, uint32, uint32*, int, int); #endif extern int TIFFReadRGBAStrip(TIFF*, uint32, 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*); typedef struct TIFFOpenOptions TIFFOpenOptions; extern TIFF* TIFFOpen(const char*, const char*); extern TIFF* TIFFOpenExt(const char*, const char*, TIFFOpenOptions* opts); # ifdef __WIN32__ extern TIFF* TIFFOpenW(const wchar_t*, const char*); # endif /* __WIN32__ */ extern TIFF* TIFFFdOpen(int, const char*, const char*); extern TIFF* TIFFFdOpenExt(int, const char*, const char*, TIFFOpenOptions* opts); extern TIFF* TIFFClientOpen(const char*, const char*, thandle_t, TIFFReadWriteProc, TIFFReadWriteProc, TIFFSeekProc, TIFFCloseProc, TIFFSizeProc, TIFFMapFileProc, TIFFUnmapFileProc); extern TIFF* TIFFClientOpenExt(const char*, const char*, thandle_t, TIFFReadWriteProc, TIFFReadWriteProc, TIFFSeekProc, TIFFCloseProc, TIFFSizeProc, TIFFMapFileProc, TIFFUnmapFileProc, TIFFOpenOptions*); extern TIFFOpenOptions* TIFFOpenOptionsAlloc(void); extern void TIFFOpenOptionsFree(TIFFOpenOptions*); extern void TIFFOpenOptionsSetMaxSingleMemAlloc(TIFFOpenOptions* opts, tmsize_t max_single_mem_alloc); extern const char* TIFFFileName(TIFF*); extern const char* TIFFSetFileName(TIFF*, const char *); extern void TIFFError(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); extern void TIFFErrorExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); extern void TIFFWarning(const char*, const char*, ...) __attribute__((__format__ (__printf__,2,3))); extern void TIFFWarningExt(thandle_t, const char*, const char*, ...) __attribute__((__format__ (__printf__,3,4))); extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); extern TIFFExtendProc TIFFSetTagExtender(TIFFExtendProc); extern uint32 TIFFComputeTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); extern int TIFFCheckTile(TIFF* tif, uint32 x, uint32 y, uint32 z, uint16 s); extern uint32 TIFFNumberOfTiles(TIFF*); extern tmsize_t TIFFReadTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); extern tmsize_t TIFFWriteTile(TIFF* tif, void* buf, uint32 x, uint32 y, uint32 z, uint16 s); extern uint32 TIFFComputeStrip(TIFF*, uint32, uint16); extern uint32 TIFFNumberOfStrips(TIFF*); extern tmsize_t TIFFReadEncodedStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); extern tmsize_t TIFFReadRawStrip(TIFF* tif, uint32 strip, void* buf, tmsize_t size); extern tmsize_t TIFFReadEncodedTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); extern tmsize_t TIFFReadRawTile(TIFF* tif, uint32 tile, void* buf, tmsize_t size); extern tmsize_t TIFFWriteEncodedStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); extern tmsize_t TIFFWriteRawStrip(TIFF* tif, uint32 strip, void* data, tmsize_t cc); extern tmsize_t TIFFWriteEncodedTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); extern tmsize_t TIFFWriteRawTile(TIFF* tif, uint32 tile, void* data, tmsize_t cc); extern int TIFFDataWidth(TIFFDataType); /* table of tag datatype widths */ extern void TIFFSetWriteOffset(TIFF* tif, toff_t off); extern void TIFFSwabShort(uint16*); extern void TIFFSwabLong(uint32*); extern void TIFFSwabLong8(uint64*); extern void TIFFSwabFloat(float*); extern void TIFFSwabDouble(double*); extern void TIFFSwabArrayOfShort(uint16* wp, tmsize_t n); extern void TIFFSwabArrayOfTriples(uint8* tp, tmsize_t n); extern void TIFFSwabArrayOfLong(uint32* lp, tmsize_t n); extern void TIFFSwabArrayOfLong8(uint64* lp, tmsize_t n); extern void TIFFSwabArrayOfFloat(float* fp, tmsize_t n); extern void TIFFSwabArrayOfDouble(double* dp, tmsize_t n); extern void TIFFReverseBits(uint8* cp, tmsize_t n); 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 */ extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, const TIFFDisplay *, float*); extern void TIFFCIELabToXYZ(TIFFCIELabToRGB *, uint32, int32, int32, float *, float *, float *); extern void TIFFXYZToRGB(TIFFCIELabToRGB *, float, float, float, uint32 *, uint32 *, uint32 *); extern int TIFFYCbCrToRGBInit(TIFFYCbCrToRGB*, float*, float*); extern void TIFFYCbCrtoRGB(TIFFYCbCrToRGB *, uint32, int32, int32, uint32 *, uint32 *, uint32 *); /**************************************************************************** * O B S O L E T E D I N T E R F A C E S * * Don't use this stuff in your applications, it may be removed in the future * libtiff versions. ****************************************************************************/ 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; extern int TIFFMergeFieldInfo(TIFF*, const TIFFFieldInfo[], uint32); #if defined(c_plusplus) || defined(__cplusplus) } #endif #endif /* _TIFFIO_ */ /* vim: set ts=8 sts=8 sw=8 noet: */ /* * Local Variables: * mode: c * c-basic-offset: 8 * fill-column: 78 * End: */
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