#include "vtk_tiff_mangle.h" /* Id */ /* * 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 _TIFFIOP_ #define _TIFFIOP_ /* * ``Library-private'' definitions. */ #include "tif_config.h" #ifdef HAVE_FCNTL_H # include #endif #ifdef HAVE_SYS_TYPES_H # include #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_ASSERT_H # include #else # define assert(x) #endif #ifdef HAVE_SEARCH_H # include #else extern void *lfind(const void *, const void *, size_t *, size_t, int (*)(const void *, const void *)); #endif #include "tiffio.h" #include "tif_dir.h" #ifndef STRIP_SIZE_DEFAULT # define STRIP_SIZE_DEFAULT 8192 #endif #define streq(a,b) (strcmp(a,b) == 0) #ifndef TRUE #define TRUE 1 #define FALSE 0 #endif typedef struct client_info { struct client_info *next; void *data; char *name; } TIFFClientInfoLink; /* * Typedefs for ``method pointers'' used internally. */ typedef unsigned char tidataval_t; /* internal image data value type */ typedef tidataval_t* tidata_t; /* reference to internal image data */ typedef void (*TIFFVoidMethod)(TIFF*); typedef int (*TIFFBoolMethod)(TIFF*); typedef int (*TIFFPreMethod)(TIFF*, tsample_t); typedef int (*TIFFCodeMethod)(TIFF*, tidata_t, tsize_t, tsample_t); typedef int (*TIFFSeekMethod)(TIFF*, uint32); typedef void (*TIFFPostMethod)(TIFF*, tidata_t, tsize_t); typedef uint32 (*TIFFStripMethod)(TIFF*, uint32); typedef void (*TIFFTileMethod)(TIFF*, uint32*, uint32*); struct tiff { char* tif_name; /* name of open file */ int tif_fd; /* open file descriptor */ int tif_mode; /* open mode (O_*) */ uint32 tif_flags; #define TIFF_FILLORDER 0x0003 /* natural bit fill order for machine */ #define TIFF_DIRTYHEADER 0x0004 /* header must be written on close */ #define TIFF_DIRTYDIRECT 0x0008 /* current directory must be written */ #define TIFF_BUFFERSETUP 0x0010 /* data buffers setup */ #define TIFF_CODERSETUP 0x0020 /* encoder/decoder setup done */ #define TIFF_BEENWRITING 0x0040 /* written 1+ scanlines to file */ #define TIFF_SWAB 0x0080 /* byte swap file information */ #define TIFF_NOBITREV 0x0100 /* inhibit bit reversal logic */ #define TIFF_MYBUFFER 0x0200 /* my raw data buffer; free on close */ #define TIFF_ISTILED 0x0400 /* file is tile, not strip- based */ #define TIFF_MAPPED 0x0800 /* file is mapped into memory */ #define TIFF_POSTENCODE 0x1000 /* need call to postencode routine */ #define TIFF_INSUBIFD 0x2000 /* currently writing a subifd */ #define TIFF_UPSAMPLED 0x4000 /* library is doing data up-sampling */ #define TIFF_STRIPCHOP 0x8000 /* enable strip chopping support */ #define TIFF_HEADERONLY 0x10000 /* read header only, do not process */ /* the first directory */ toff_t tif_diroff; /* file offset of current directory */ toff_t tif_nextdiroff; /* file offset of following directory */ toff_t* tif_dirlist; /* list of offsets to already seen */ /* directories to prevent IFD looping */ uint16 tif_dirnumber; /* number of already seen directories */ TIFFDirectory tif_dir; /* internal rep of current directory */ TIFFHeader tif_header; /* file's header block */ const int* tif_typeshift; /* data type shift counts */ const long* tif_typemask; /* data type masks */ uint32 tif_row; /* current scanline */ tdir_t tif_curdir; /* current directory (index) */ tstrip_t tif_curstrip; /* current strip for read/write */ toff_t tif_curoff; /* current offset for read/write */ toff_t tif_dataoff; /* current offset for writing dir */ /* SubIFD support */ uint16 tif_nsubifd; /* remaining subifds to write */ toff_t tif_subifdoff; /* offset for patching SubIFD link */ /* tiling support */ uint32 tif_col; /* current column (offset by row too) */ ttile_t tif_curtile; /* current tile for read/write */ tsize_t tif_tilesize; /* # of bytes in a tile */ /* compression scheme hooks */ int tif_decodestatus; TIFFBoolMethod tif_setupdecode;/* called once before predecode */ TIFFPreMethod tif_predecode; /* pre- row/strip/tile decoding */ TIFFBoolMethod tif_setupencode;/* called once before preencode */ int tif_encodestatus; TIFFPreMethod tif_preencode; /* pre- row/strip/tile encoding */ TIFFBoolMethod tif_postencode; /* post- row/strip/tile encoding */ TIFFCodeMethod tif_decoderow; /* scanline decoding routine */ TIFFCodeMethod tif_encoderow; /* scanline encoding routine */ TIFFCodeMethod tif_decodestrip;/* strip decoding routine */ TIFFCodeMethod tif_encodestrip;/* strip encoding routine */ TIFFCodeMethod tif_decodetile; /* tile decoding routine */ TIFFCodeMethod tif_encodetile; /* tile encoding routine */ TIFFVoidMethod tif_close; /* cleanup-on-close routine */ TIFFSeekMethod tif_seek; /* position within a strip routine */ TIFFVoidMethod tif_cleanup; /* cleanup state routine */ TIFFStripMethod tif_defstripsize;/* calculate/constrain strip size */ TIFFTileMethod tif_deftilesize;/* calculate/constrain tile size */ tidata_t tif_data; /* compression scheme private data */ /* input/output buffering */ tsize_t tif_scanlinesize;/* # of bytes in a scanline */ tsize_t tif_scanlineskew;/* scanline skew for reading strips */ tidata_t tif_rawdata; /* raw data buffer */ tsize_t tif_rawdatasize;/* # of bytes in raw data buffer */ tidata_t tif_rawcp; /* current spot in raw buffer */ tsize_t tif_rawcc; /* bytes unread from raw buffer */ /* memory-mapped file support */ tidata_t tif_base; /* base of mapped file */ toff_t tif_size; /* size of mapped file region (bytes) */ TIFFMapFileProc tif_mapproc; /* map file method */ TIFFUnmapFileProc tif_unmapproc;/* unmap file method */ /* input/output callback methods */ thandle_t tif_clientdata; /* callback parameter */ TIFFReadWriteProc tif_readproc; /* read method */ TIFFReadWriteProc tif_writeproc;/* write method */ TIFFSeekProc tif_seekproc; /* lseek method */ TIFFCloseProc tif_closeproc; /* close method */ TIFFSizeProc tif_sizeproc; /* filesize method */ /* post-decoding support */ TIFFPostMethod tif_postdecode; /* post decoding routine */ /* tag support */ TIFFFieldInfo** tif_fieldinfo; /* sorted table of registered tags */ size_t tif_nfields; /* # entries in registered tag table */ const TIFFFieldInfo *tif_foundfield;/* cached pointer to already found tag */ TIFFTagMethods tif_tagmethods; /* tag get/set/print routines */ TIFFClientInfoLink *tif_clientinfo; /* extra client information. */ }; #define isPseudoTag(t) (t > 0xffff) /* is tag value normal or pseudo */ #define isTiled(tif) (((tif)->tif_flags & TIFF_ISTILED) != 0) #define isMapped(tif) (((tif)->tif_flags & TIFF_MAPPED) != 0) #define isFillOrder(tif, o) (((tif)->tif_flags & (o)) != 0) #define isUpSampled(tif) (((tif)->tif_flags & TIFF_UPSAMPLED) != 0) #define TIFFReadFile(tif, buf, size) \ ((*(tif)->tif_readproc)((tif)->tif_clientdata,buf,size)) #define TIFFWriteFile(tif, buf, size) \ ((*(tif)->tif_writeproc)((tif)->tif_clientdata,buf,size)) #define TIFFSeekFile(tif, off, whence) \ ((*(tif)->tif_seekproc)((tif)->tif_clientdata,(toff_t)(off),whence)) #define TIFFCloseFile(tif) \ ((*(tif)->tif_closeproc)((tif)->tif_clientdata)) #define TIFFGetFileSize(tif) \ ((*(tif)->tif_sizeproc)((tif)->tif_clientdata)) #define TIFFMapFileContents(tif, paddr, psize) \ ((*(tif)->tif_mapproc)((tif)->tif_clientdata,paddr,psize)) #define TIFFUnmapFileContents(tif, addr, size) \ ((*(tif)->tif_unmapproc)((tif)->tif_clientdata,addr,size)) /* * Default Read/Seek/Write definitions. */ #ifndef ReadOK #define ReadOK(tif, buf, size) \ (TIFFReadFile(tif, (tdata_t) buf, (tsize_t)(size)) == (tsize_t)(size)) #endif #ifndef SeekOK #define SeekOK(tif, off) \ (TIFFSeekFile(tif, (toff_t) off, SEEK_SET) == (toff_t) off) #endif #ifndef WriteOK #define WriteOK(tif, buf, size) \ (TIFFWriteFile(tif, (tdata_t) buf, (tsize_t) size) == (tsize_t) size) #endif /* NB: the uint32 casts are to silence certain ANSI-C compilers */ #define TIFFhowmany(x, y) ((((uint32)(x))+(((uint32)(y))-1))/((uint32)(y))) #define TIFFhowmany8(x) (((x)&0x07)?((uint32)(x)>>3)+1:(uint32)(x)>>3) #define TIFFroundup(x, y) (TIFFhowmany(x,y)*(y)) #define TIFFmax(A,B) ((A)>(B)?(A):(B)) #define TIFFmin(A,B) ((A)<(B)?(A):(B)) #define TIFFArrayCount(a) (sizeof (a) / sizeof ((a)[0])) #if defined(__cplusplus) extern "C" { #endif extern int _TIFFgetMode(const char*, const char*); extern int _TIFFNoRowEncode(TIFF*, tidata_t, tsize_t, tsample_t); extern int _TIFFNoStripEncode(TIFF*, tidata_t, tsize_t, tsample_t); extern int _TIFFNoTileEncode(TIFF*, tidata_t, tsize_t, tsample_t); extern int _TIFFNoRowDecode(TIFF*, tidata_t, tsize_t, tsample_t); extern int _TIFFNoStripDecode(TIFF*, tidata_t, tsize_t, tsample_t); extern int _TIFFNoTileDecode(TIFF*, tidata_t, tsize_t, tsample_t); extern void _TIFFNoPostDecode(TIFF*, tidata_t, tsize_t); extern int _TIFFNoPreCode (TIFF*, tsample_t); extern int _TIFFNoSeek(TIFF*, uint32); extern void _TIFFSwab16BitData(TIFF*, tidata_t, tsize_t); extern void _TIFFSwab24BitData(TIFF*, tidata_t, tsize_t); extern void _TIFFSwab32BitData(TIFF*, tidata_t, tsize_t); extern void _TIFFSwab64BitData(TIFF*, tidata_t, tsize_t); extern int TIFFFlushData1(TIFF*); extern int TIFFDefaultDirectory(TIFF*); extern void _TIFFSetDefaultCompressionState(TIFF*); extern int TIFFSetCompressionScheme(TIFF*, int); extern int TIFFSetDefaultCompressionState(TIFF*); extern uint32 _TIFFDefaultStripSize(TIFF*, uint32); extern void _TIFFDefaultTileSize(TIFF*, uint32*, uint32*); extern int _TIFFDataSize(TIFFDataType); extern void _TIFFsetByteArray(void**, void*, uint32); extern void _TIFFsetString(char**, char*); extern void _TIFFsetShortArray(uint16**, uint16*, uint32); extern void _TIFFsetLongArray(uint32**, uint32*, uint32); extern void _TIFFsetFloatArray(float**, float*, uint32); extern void _TIFFsetDoubleArray(double**, double*, uint32); extern void _TIFFprintAscii(FILE*, const char*); extern void _TIFFprintAsciiTag(FILE*, const char*, const char*); extern TIFFErrorHandler _TIFFwarningHandler; extern TIFFErrorHandler _TIFFerrorHandler; extern TIFFErrorHandlerExt _TIFFwarningHandlerExt; extern TIFFErrorHandlerExt _TIFFerrorHandlerExt; extern tdata_t _TIFFCheckMalloc(TIFF*, size_t, size_t, const char*); extern int TIFFInitDumpMode(TIFF*, int); #ifdef PACKBITS_SUPPORT extern int TIFFInitPackBits(TIFF*, int); #endif #ifdef CCITT_SUPPORT extern int TIFFInitCCITTRLE(TIFF*, int), TIFFInitCCITTRLEW(TIFF*, int); extern int TIFFInitCCITTFax3(TIFF*, int), TIFFInitCCITTFax4(TIFF*, int); #endif #ifdef THUNDER_SUPPORT extern int TIFFInitThunderScan(TIFF*, int); #endif #ifdef NEXT_SUPPORT extern int TIFFInitNeXT(TIFF*, int); #endif #ifdef LZW_SUPPORT extern int TIFFInitLZW(TIFF*, int); #endif #ifdef OJPEG_SUPPORT extern int TIFFInitOJPEG(TIFF*, int); #endif #ifdef JPEG_SUPPORT extern int TIFFInitJPEG(TIFF*, int); #endif #ifdef JBIG_SUPPORT extern int TIFFInitJBIG(TIFF*, int); #endif #ifdef ZIP_SUPPORT extern int TIFFInitZIP(TIFF*, int); #endif #ifdef PIXARLOG_SUPPORT extern int TIFFInitPixarLog(TIFF*, int); #endif #ifdef LOGLUV_SUPPORT extern int TIFFInitSGILog(TIFF*, int); #endif #ifdef VMS extern const TIFFCodec _TIFFBuiltinCODECS[]; #else extern TIFFCodec _TIFFBuiltinCODECS[]; #endif #if defined(__cplusplus) } #endif #endif /* _TIFFIOP_ */ /* vim: set ts=8 sts=8 sw=8 noet: */