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Current File : //compat/linux/proc/68247/cwd/usr/local/include/tiffio.h |
/* $Id: tiffio.h,v 1.50 2006/03/21 16:37:51 dron 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 being the most important, and to ensure * that it is unsigned, rather than signed. */ typedef uint32 ttag_t; /* directory tag */ typedef uint16 tdir_t; /* directory index */ typedef uint16 tsample_t; /* sample number */ typedef uint32 tstrip_t; /* strip number */ typedef uint32 ttile_t; /* tile number */ typedef int32 tsize_t; /* i/o size in bytes */ typedef void* tdata_t; /* image data ref */ typedef uint32 toff_t; /* file offset */ #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 */ #ifndef NULL # define NULL (void *)0 #endif /* * 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); union { void (*any)(TIFFRGBAImage*); tileContigRoutine contig; tileSeparateRoutine separate; } put; /* put decoded strip/tile */ 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 */ 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(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 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 TIFFCodec* TIFFGetConfiguredCODECs(void); /* * Auxiliary functions. */ 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); /* ** Stuff, related to tag handling and creating custom tags. */ 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* TIFFFindFieldInfoByName(TIFF* , const char *, TIFFDataType); extern const TIFFFieldInfo* TIFFFieldWithTag(TIFF*, ttag_t); extern const TIFFFieldInfo* TIFFFieldWithName(TIFF*, const char *); 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 * ); extern void TIFFCleanup(TIFF*); 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 int TIFFReadCustomDirectory(TIFF*, toff_t, const TIFFFieldInfo[], size_t); extern int TIFFReadEXIFDirectory(TIFF*, toff_t); 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 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 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 void TIFFFreeDirectory(TIFF*); 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*); # ifdef __WIN32__ extern TIFF* TIFFOpenW(const wchar_t*, const char*); # endif /* __WIN32__ */ 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 const char* TIFFSetFileName(TIFF*, const char *); extern void TIFFError(const char*, const char*, ...); extern void TIFFErrorExt(thandle_t, const char*, const char*, ...); extern void TIFFWarning(const char*, const char*, ...); extern void TIFFWarningExt(thandle_t, const char*, const char*, ...); extern TIFFErrorHandler TIFFSetErrorHandler(TIFFErrorHandler); extern TIFFErrorHandlerExt TIFFSetErrorHandlerExt(TIFFErrorHandlerExt); extern TIFFErrorHandler TIFFSetWarningHandler(TIFFErrorHandler); extern TIFFErrorHandlerExt TIFFSetWarningHandlerExt(TIFFErrorHandlerExt); 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 TIFFSwabArrayOfTriples(uint8*, 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 */ extern int TIFFCIELabToRGBInit(TIFFCIELabToRGB*, 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 *); #if defined(c_plusplus) || defined(__cplusplus) } #endif #endif /* _TIFFIO_ */ /* vim: set ts=8 sts=8 sw=8 noet: */