| /* |
| * 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. |
| */ |
| |
| /* |
| * TIFF Library. |
| * |
| * Directory Write Support Routines. |
| */ |
| #include "tiffiop.h" |
| #include <float.h> /*--: for Rational2Double */ |
| #include <math.h> /*--: for Rational2Double */ |
| |
| #ifdef HAVE_IEEEFP |
| #define TIFFCvtNativeToIEEEFloat(tif, n, fp) |
| #define TIFFCvtNativeToIEEEDouble(tif, n, dp) |
| #else |
| extern void TIFFCvtNativeToIEEEFloat(TIFF* tif, uint32 n, float* fp); |
| extern void TIFFCvtNativeToIEEEDouble(TIFF* tif, uint32 n, double* dp); |
| #endif |
| |
| static int TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff); |
| |
| static int TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| #endif |
| |
| static int TIFFWriteDirectoryTagAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value); |
| static int TIFFWriteDirectoryTagUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); |
| #endif |
| static int TIFFWriteDirectoryTagByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagBytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); |
| #endif |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); |
| #endif |
| static int TIFFWriteDirectoryTagSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagSbytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); |
| #endif |
| static int TIFFWriteDirectoryTagShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); |
| static int TIFFWriteDirectoryTagShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value); |
| static int TIFFWriteDirectoryTagShortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); |
| #endif |
| static int TIFFWriteDirectoryTagSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagSshortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); |
| #endif |
| static int TIFFWriteDirectoryTagLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); |
| static int TIFFWriteDirectoryTagLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagLongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); |
| #endif |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); |
| #endif |
| static int TIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagSlongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); |
| #endif |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value); |
| #endif |
| static int TIFFWriteDirectoryTagLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value); |
| #endif |
| static int TIFFWriteDirectoryTagSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value); |
| static int TIFFWriteDirectoryTagRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| static int TIFFWriteDirectoryTagRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| static int TIFFWriteDirectoryTagSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); |
| #endif |
| static int TIFFWriteDirectoryTagFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagFloatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); |
| #endif |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| #endif |
| static int TIFFWriteDirectoryTagDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| #if 0 |
| static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| #endif |
| static int TIFFWriteDirectoryTagIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| #endif |
| static int TIFFWriteDirectoryTagShortLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); |
| static int TIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| static int TIFFWriteDirectoryTagIfdIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagShortLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| #endif |
| static int TIFFWriteDirectoryTagColormap(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); |
| static int TIFFWriteDirectoryTagTransferfunction(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); |
| static int TIFFWriteDirectoryTagSubifd(TIFF* tif, uint32* ndir, TIFFDirEntry* dir); |
| |
| static int TIFFWriteDirectoryTagCheckedAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value); |
| static int TIFFWriteDirectoryTagCheckedUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value); |
| static int TIFFWriteDirectoryTagCheckedShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value); |
| static int TIFFWriteDirectoryTagCheckedShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value); |
| static int TIFFWriteDirectoryTagCheckedLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value); |
| static int TIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value); |
| static int TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| static int TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| static int TIFFWriteDirectoryTagCheckedSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| |
| /*--: Rational2Double: New functions to support true double-precision for custom rational tag types. */ |
| static int TIFFWriteDirectoryTagRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| static int TIFFWriteDirectoryTagSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| static int TIFFWriteDirectoryTagCheckedRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| static int TIFFWriteDirectoryTagCheckedSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| static void DoubleToRational(double value, uint32 *num, uint32 *denom); |
| static void DoubleToSrational(double value, int32 *num, int32 *denom); |
| #if 0 |
| static void DoubleToRational_direct(double value, unsigned long *num, unsigned long *denom); |
| static void DoubleToSrational_direct(double value, long *num, long *denom); |
| #endif |
| |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value); |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagCheckedDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value); |
| #endif |
| static int TIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value); |
| static int TIFFWriteDirectoryTagCheckedIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value); |
| static int TIFFWriteDirectoryTagCheckedIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value); |
| |
| static int TIFFWriteDirectoryTagData(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 datatype, uint32 count, uint32 datalength, void* data); |
| |
| static int TIFFLinkDirectory(TIFF*); |
| |
| /* |
| * Write the contents of the current directory |
| * to the specified file. This routine doesn't |
| * handle overwriting a directory with auxiliary |
| * storage that's been changed. |
| */ |
| int |
| TIFFWriteDirectory(TIFF* tif) |
| { |
| return TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL); |
| } |
| |
| /* |
| * This is an advanced writing function that must be used in a particular |
| * sequence, and generally together with TIFFForceStrileArrayWriting(), |
| * to make its intended effect. Its aim is to modify the location |
| * where the [Strip/Tile][Offsets/ByteCounts] arrays are located in the file. |
| * More precisely, when TIFFWriteCheck() will be called, the tag entries for |
| * those arrays will be written with type = count = offset = 0 as a temporary |
| * value. |
| * |
| * Its effect is only valid for the current directory, and before |
| * TIFFWriteDirectory() is first called, and will be reset when |
| * changing directory. |
| * |
| * The typical sequence of calls is: |
| * TIFFOpen() |
| * [ TIFFCreateDirectory(tif) ] |
| * Set fields with calls to TIFFSetField(tif, ...) |
| * TIFFDeferStrileArrayWriting(tif) |
| * TIFFWriteCheck(tif, ...) |
| * TIFFWriteDirectory(tif) |
| * ... potentially create other directories and come back to the above directory |
| * TIFFForceStrileArrayWriting(tif): emit the arrays at the end of file |
| * |
| * Returns 1 in case of success, 0 otherwise. |
| */ |
| int TIFFDeferStrileArrayWriting(TIFF* tif) |
| { |
| static const char module[] = "TIFFDeferStrileArrayWriting"; |
| if (tif->tif_mode == O_RDONLY) |
| { |
| TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
| "File opened in read-only mode"); |
| return 0; |
| } |
| if( tif->tif_diroff != 0 ) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Directory has already been written"); |
| return 0; |
| } |
| |
| tif->tif_dir.td_deferstrilearraywriting = TRUE; |
| return 1; |
| } |
| |
| /* |
| * Similar to TIFFWriteDirectory(), writes the directory out |
| * but leaves all data structures in memory so that it can be |
| * written again. This will make a partially written TIFF file |
| * readable before it is successfully completed/closed. |
| */ |
| int |
| TIFFCheckpointDirectory(TIFF* tif) |
| { |
| int rc; |
| /* Setup the strips arrays, if they haven't already been. */ |
| if (tif->tif_dir.td_stripoffset_p == NULL) |
| (void) TIFFSetupStrips(tif); |
| rc = TIFFWriteDirectorySec(tif,TRUE,FALSE,NULL); |
| (void) TIFFSetWriteOffset(tif, TIFFSeekFile(tif, 0, SEEK_END)); |
| return rc; |
| } |
| |
| int |
| TIFFWriteCustomDirectory(TIFF* tif, uint64* pdiroff) |
| { |
| return TIFFWriteDirectorySec(tif,FALSE,FALSE,pdiroff); |
| } |
| |
| /* |
| * Similar to TIFFWriteDirectory(), but if the directory has already |
| * been written once, it is relocated to the end of the file, in case it |
| * has changed in size. Note that this will result in the loss of the |
| * previously used directory space. |
| */ |
| int |
| TIFFRewriteDirectory( TIFF *tif ) |
| { |
| static const char module[] = "TIFFRewriteDirectory"; |
| |
| /* We don't need to do anything special if it hasn't been written. */ |
| if( tif->tif_diroff == 0 ) |
| return TIFFWriteDirectory( tif ); |
| |
| /* |
| * Find and zero the pointer to this directory, so that TIFFLinkDirectory |
| * will cause it to be added after this directories current pre-link. |
| */ |
| |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| if (tif->tif_header.classic.tiff_diroff == tif->tif_diroff) |
| { |
| tif->tif_header.classic.tiff_diroff = 0; |
| tif->tif_diroff = 0; |
| |
| TIFFSeekFile(tif,4,SEEK_SET); |
| if (!WriteOK(tif, &(tif->tif_header.classic.tiff_diroff),4)) |
| { |
| TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
| "Error updating TIFF header"); |
| return (0); |
| } |
| } |
| else |
| { |
| uint32 nextdir; |
| nextdir = tif->tif_header.classic.tiff_diroff; |
| while(1) { |
| uint16 dircount; |
| uint32 nextnextdir; |
| |
| if (!SeekOK(tif, nextdir) || |
| !ReadOK(tif, &dircount, 2)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory count"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabShort(&dircount); |
| (void) TIFFSeekFile(tif, |
| nextdir+2+dircount*12, SEEK_SET); |
| if (!ReadOK(tif, &nextnextdir, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory link"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong(&nextnextdir); |
| if (nextnextdir==tif->tif_diroff) |
| { |
| uint32 m; |
| m=0; |
| (void) TIFFSeekFile(tif, |
| nextdir+2+dircount*12, SEEK_SET); |
| if (!WriteOK(tif, &m, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| tif->tif_diroff=0; |
| break; |
| } |
| nextdir=nextnextdir; |
| } |
| } |
| } |
| else |
| { |
| if (tif->tif_header.big.tiff_diroff == tif->tif_diroff) |
| { |
| tif->tif_header.big.tiff_diroff = 0; |
| tif->tif_diroff = 0; |
| |
| TIFFSeekFile(tif,8,SEEK_SET); |
| if (!WriteOK(tif, &(tif->tif_header.big.tiff_diroff),8)) |
| { |
| TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
| "Error updating TIFF header"); |
| return (0); |
| } |
| } |
| else |
| { |
| uint64 nextdir; |
| nextdir = tif->tif_header.big.tiff_diroff; |
| while(1) { |
| uint64 dircount64; |
| uint16 dircount; |
| uint64 nextnextdir; |
| |
| if (!SeekOK(tif, nextdir) || |
| !ReadOK(tif, &dircount64, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory count"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&dircount64); |
| if (dircount64>0xFFFF) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Sanity check on tag count failed, likely corrupt TIFF"); |
| return (0); |
| } |
| dircount=(uint16)dircount64; |
| (void) TIFFSeekFile(tif, |
| nextdir+8+dircount*20, SEEK_SET); |
| if (!ReadOK(tif, &nextnextdir, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory link"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&nextnextdir); |
| if (nextnextdir==tif->tif_diroff) |
| { |
| uint64 m; |
| m=0; |
| (void) TIFFSeekFile(tif, |
| nextdir+8+dircount*20, SEEK_SET); |
| if (!WriteOK(tif, &m, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| tif->tif_diroff=0; |
| break; |
| } |
| nextdir=nextnextdir; |
| } |
| } |
| } |
| |
| /* |
| * Now use TIFFWriteDirectory() normally. |
| */ |
| |
| return TIFFWriteDirectory( tif ); |
| } |
| |
| static int |
| TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff) |
| { |
| static const char module[] = "TIFFWriteDirectorySec"; |
| uint32 ndir; |
| TIFFDirEntry* dir; |
| uint32 dirsize; |
| void* dirmem; |
| uint32 m; |
| if (tif->tif_mode == O_RDONLY) |
| return (1); |
| |
| _TIFFFillStriles( tif ); |
| |
| /* |
| * Clear write state so that subsequent images with |
| * different characteristics get the right buffers |
| * setup for them. |
| */ |
| if (imagedone) |
| { |
| if (tif->tif_flags & TIFF_POSTENCODE) |
| { |
| tif->tif_flags &= ~TIFF_POSTENCODE; |
| if (!(*tif->tif_postencode)(tif)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Error post-encoding before directory write"); |
| return (0); |
| } |
| } |
| (*tif->tif_close)(tif); /* shutdown encoder */ |
| /* |
| * Flush any data that might have been written |
| * by the compression close+cleanup routines. But |
| * be careful not to write stuff if we didn't add data |
| * in the previous steps as the "rawcc" data may well be |
| * a previously read tile/strip in mixed read/write mode. |
| */ |
| if (tif->tif_rawcc > 0 |
| && (tif->tif_flags & TIFF_BEENWRITING) != 0 ) |
| { |
| if( !TIFFFlushData1(tif) ) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error flushing data before directory write"); |
| return (0); |
| } |
| } |
| if ((tif->tif_flags & TIFF_MYBUFFER) && tif->tif_rawdata) |
| { |
| _TIFFfree(tif->tif_rawdata); |
| tif->tif_rawdata = NULL; |
| tif->tif_rawcc = 0; |
| tif->tif_rawdatasize = 0; |
| tif->tif_rawdataoff = 0; |
| tif->tif_rawdataloaded = 0; |
| } |
| tif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP); |
| } |
| dir=NULL; |
| dirmem=NULL; |
| dirsize=0; |
| while (1) |
| { |
| ndir=0; |
| if (isimage) |
| { |
| if (TIFFFieldSet(tif,FIELD_IMAGEDIMENSIONS)) |
| { |
| if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGEWIDTH,tif->tif_dir.td_imagewidth)) |
| goto bad; |
| if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_IMAGELENGTH,tif->tif_dir.td_imagelength)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_TILEDIMENSIONS)) |
| { |
| if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILEWIDTH,tif->tif_dir.td_tilewidth)) |
| goto bad; |
| if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_TILELENGTH,tif->tif_dir.td_tilelength)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_RESOLUTION)) |
| { |
| if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XRESOLUTION,tif->tif_dir.td_xresolution)) |
| goto bad; |
| if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YRESOLUTION,tif->tif_dir.td_yresolution)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_POSITION)) |
| { |
| if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_XPOSITION,tif->tif_dir.td_xposition)) |
| goto bad; |
| if (!TIFFWriteDirectoryTagRational(tif,&ndir,dir,TIFFTAG_YPOSITION,tif->tif_dir.td_yposition)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_SUBFILETYPE)) |
| { |
| if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_SUBFILETYPE,tif->tif_dir.td_subfiletype)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_BITSPERSAMPLE)) |
| { |
| if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_BITSPERSAMPLE,tif->tif_dir.td_bitspersample)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_COMPRESSION)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_COMPRESSION,tif->tif_dir.td_compression)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_PHOTOMETRIC)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PHOTOMETRIC,tif->tif_dir.td_photometric)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_THRESHHOLDING)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_THRESHHOLDING,tif->tif_dir.td_threshholding)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_FILLORDER)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_FILLORDER,tif->tif_dir.td_fillorder)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_ORIENTATION)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_ORIENTATION,tif->tif_dir.td_orientation)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_SAMPLESPERPIXEL)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_SAMPLESPERPIXEL,tif->tif_dir.td_samplesperpixel)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_ROWSPERSTRIP)) |
| { |
| if (!TIFFWriteDirectoryTagShortLong(tif,&ndir,dir,TIFFTAG_ROWSPERSTRIP,tif->tif_dir.td_rowsperstrip)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_MINSAMPLEVALUE)) |
| { |
| if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MINSAMPLEVALUE,tif->tif_dir.td_minsamplevalue)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_MAXSAMPLEVALUE)) |
| { |
| if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_MAXSAMPLEVALUE,tif->tif_dir.td_maxsamplevalue)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_PLANARCONFIG)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_PLANARCONFIG,tif->tif_dir.td_planarconfig)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_RESOLUTIONUNIT)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_RESOLUTIONUNIT,tif->tif_dir.td_resolutionunit)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_PAGENUMBER)) |
| { |
| if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_PAGENUMBER,2,&tif->tif_dir.td_pagenumber[0])) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_STRIPBYTECOUNTS)) |
| { |
| if (!isTiled(tif)) |
| { |
| if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount_p)) |
| goto bad; |
| } |
| else |
| { |
| if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEBYTECOUNTS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripbytecount_p)) |
| goto bad; |
| } |
| } |
| if (TIFFFieldSet(tif,FIELD_STRIPOFFSETS)) |
| { |
| if (!isTiled(tif)) |
| { |
| /* td_stripoffset_p might be NULL in an odd OJPEG case. See |
| * tif_dirread.c around line 3634. |
| * XXX: OJPEG hack. |
| * If a) compression is OJPEG, b) it's not a tiled TIFF, |
| * and c) the number of strips is 1, |
| * then we tolerate the absence of stripoffsets tag, |
| * because, presumably, all required data is in the |
| * JpegInterchangeFormat stream. |
| * We can get here when using tiffset on such a file. |
| * See http://bugzilla.maptools.org/show_bug.cgi?id=2500 |
| */ |
| if (tif->tif_dir.td_stripoffset_p != NULL && |
| !TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_STRIPOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset_p)) |
| goto bad; |
| } |
| else |
| { |
| if (!TIFFWriteDirectoryTagLongLong8Array(tif,&ndir,dir,TIFFTAG_TILEOFFSETS,tif->tif_dir.td_nstrips,tif->tif_dir.td_stripoffset_p)) |
| goto bad; |
| } |
| } |
| if (TIFFFieldSet(tif,FIELD_COLORMAP)) |
| { |
| if (!TIFFWriteDirectoryTagColormap(tif,&ndir,dir)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_EXTRASAMPLES)) |
| { |
| if (tif->tif_dir.td_extrasamples) |
| { |
| uint16 na; |
| uint16* nb; |
| TIFFGetFieldDefaulted(tif,TIFFTAG_EXTRASAMPLES,&na,&nb); |
| if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_EXTRASAMPLES,na,nb)) |
| goto bad; |
| } |
| } |
| if (TIFFFieldSet(tif,FIELD_SAMPLEFORMAT)) |
| { |
| if (!TIFFWriteDirectoryTagShortPerSample(tif,&ndir,dir,TIFFTAG_SAMPLEFORMAT,tif->tif_dir.td_sampleformat)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_SMINSAMPLEVALUE)) |
| { |
| if (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMINSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_sminsamplevalue)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_SMAXSAMPLEVALUE)) |
| { |
| if (!TIFFWriteDirectoryTagSampleformatArray(tif,&ndir,dir,TIFFTAG_SMAXSAMPLEVALUE,tif->tif_dir.td_samplesperpixel,tif->tif_dir.td_smaxsamplevalue)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_IMAGEDEPTH)) |
| { |
| if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_IMAGEDEPTH,tif->tif_dir.td_imagedepth)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_TILEDEPTH)) |
| { |
| if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,TIFFTAG_TILEDEPTH,tif->tif_dir.td_tiledepth)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_HALFTONEHINTS)) |
| { |
| if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_HALFTONEHINTS,2,&tif->tif_dir.td_halftonehints[0])) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_YCBCRSUBSAMPLING)) |
| { |
| if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,TIFFTAG_YCBCRSUBSAMPLING,2,&tif->tif_dir.td_ycbcrsubsampling[0])) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_YCBCRPOSITIONING)) |
| { |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,TIFFTAG_YCBCRPOSITIONING,tif->tif_dir.td_ycbcrpositioning)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_REFBLACKWHITE)) |
| { |
| if (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,TIFFTAG_REFERENCEBLACKWHITE,6,tif->tif_dir.td_refblackwhite)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_TRANSFERFUNCTION)) |
| { |
| if (!TIFFWriteDirectoryTagTransferfunction(tif,&ndir,dir)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_INKNAMES)) |
| { |
| if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,TIFFTAG_INKNAMES,tif->tif_dir.td_inknameslen,tif->tif_dir.td_inknames)) |
| goto bad; |
| } |
| if (TIFFFieldSet(tif,FIELD_SUBIFD)) |
| { |
| if (!TIFFWriteDirectoryTagSubifd(tif,&ndir,dir)) |
| goto bad; |
| } |
| { |
| uint32 n; |
| for (n=0; n<tif->tif_nfields; n++) { |
| const TIFFField* o; |
| o = tif->tif_fields[n]; |
| if ((o->field_bit>=FIELD_CODEC)&&(TIFFFieldSet(tif,o->field_bit))) |
| { |
| switch (o->get_field_type) |
| { |
| case TIFF_SETGET_ASCII: |
| { |
| uint32 pa; |
| char* pb; |
| assert(o->field_type==TIFF_ASCII); |
| assert(o->field_readcount==TIFF_VARIABLE); |
| assert(o->field_passcount==0); |
| TIFFGetField(tif,o->field_tag,&pb); |
| pa=(uint32)(strlen(pb)); |
| if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,(uint16)o->field_tag,pa,pb)) |
| goto bad; |
| } |
| break; |
| case TIFF_SETGET_UINT16: |
| { |
| uint16 p; |
| assert(o->field_type==TIFF_SHORT); |
| assert(o->field_readcount==1); |
| assert(o->field_passcount==0); |
| TIFFGetField(tif,o->field_tag,&p); |
| if (!TIFFWriteDirectoryTagShort(tif,&ndir,dir,(uint16)o->field_tag,p)) |
| goto bad; |
| } |
| break; |
| case TIFF_SETGET_UINT32: |
| { |
| uint32 p; |
| assert(o->field_type==TIFF_LONG); |
| assert(o->field_readcount==1); |
| assert(o->field_passcount==0); |
| TIFFGetField(tif,o->field_tag,&p); |
| if (!TIFFWriteDirectoryTagLong(tif,&ndir,dir,(uint16)o->field_tag,p)) |
| goto bad; |
| } |
| break; |
| case TIFF_SETGET_C32_UINT8: |
| { |
| uint32 pa; |
| void* pb; |
| assert(o->field_type==TIFF_UNDEFINED); |
| assert(o->field_readcount==TIFF_VARIABLE2); |
| assert(o->field_passcount==1); |
| TIFFGetField(tif,o->field_tag,&pa,&pb); |
| if (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,(uint16)o->field_tag,pa,pb)) |
| goto bad; |
| } |
| break; |
| default: |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Cannot write tag %d (%s)", |
| TIFFFieldTag(o), |
| o->field_name ? o->field_name : "unknown"); |
| goto bad; |
| } |
| } |
| } |
| } |
| } |
| for (m=0; m<(uint32)(tif->tif_dir.td_customValueCount); m++) |
| { |
| uint16 tag = (uint16)tif->tif_dir.td_customValues[m].info->field_tag; |
| uint32 count = tif->tif_dir.td_customValues[m].count; |
| switch (tif->tif_dir.td_customValues[m].info->field_type) |
| { |
| case TIFF_ASCII: |
| if (!TIFFWriteDirectoryTagAscii(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_UNDEFINED: |
| if (!TIFFWriteDirectoryTagUndefinedArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_BYTE: |
| if (!TIFFWriteDirectoryTagByteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_SBYTE: |
| if (!TIFFWriteDirectoryTagSbyteArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_SHORT: |
| if (!TIFFWriteDirectoryTagShortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_SSHORT: |
| if (!TIFFWriteDirectoryTagSshortArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_LONG: |
| if (!TIFFWriteDirectoryTagLongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_SLONG: |
| if (!TIFFWriteDirectoryTagSlongArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_LONG8: |
| if (!TIFFWriteDirectoryTagLong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_SLONG8: |
| if (!TIFFWriteDirectoryTagSlong8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_RATIONAL: |
| { |
| /*-- Rational2Double: For Rationals evaluate "set_field_type" to determine internal storage size. */ |
| int tv_size; |
| tv_size = _TIFFSetGetFieldSize(tif->tif_dir.td_customValues[m].info->set_field_type); |
| if (tv_size == 8) { |
| if (!TIFFWriteDirectoryTagRationalDoubleArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| } else { |
| /*-- default should be tv_size == 4 */ |
| if (!TIFFWriteDirectoryTagRationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| /*-- ToDo: After Testing, this should be removed and tv_size==4 should be set as default. */ |
| if (tv_size != 4) { |
| TIFFErrorExt(0,"TIFFLib: _TIFFWriteDirectorySec()", "Rational2Double: .set_field_type in not 4 but %d", tv_size); |
| } |
| } |
| } |
| break; |
| case TIFF_SRATIONAL: |
| { |
| /*-- Rational2Double: For Rationals evaluate "set_field_type" to determine internal storage size. */ |
| int tv_size; |
| tv_size = _TIFFSetGetFieldSize(tif->tif_dir.td_customValues[m].info->set_field_type); |
| if (tv_size == 8) { |
| if (!TIFFWriteDirectoryTagSrationalDoubleArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| } else { |
| /*-- default should be tv_size == 4 */ |
| if (!TIFFWriteDirectoryTagSrationalArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| /*-- ToDo: After Testing, this should be removed and tv_size==4 should be set as default. */ |
| if (tv_size != 4) { |
| TIFFErrorExt(0,"TIFFLib: _TIFFWriteDirectorySec()", "Rational2Double: .set_field_type in not 4 but %d", tv_size); |
| } |
| } |
| } |
| break; |
| case TIFF_FLOAT: |
| if (!TIFFWriteDirectoryTagFloatArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_DOUBLE: |
| if (!TIFFWriteDirectoryTagDoubleArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_IFD: |
| if (!TIFFWriteDirectoryTagIfdArray(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| case TIFF_IFD8: |
| if (!TIFFWriteDirectoryTagIfdIfd8Array(tif,&ndir,dir,tag,count,tif->tif_dir.td_customValues[m].value)) |
| goto bad; |
| break; |
| default: |
| assert(0); /* we should never get here */ |
| break; |
| } |
| } |
| if (dir!=NULL) |
| break; |
| dir=_TIFFmalloc(ndir*sizeof(TIFFDirEntry)); |
| if (dir==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| goto bad; |
| } |
| if (isimage) |
| { |
| if ((tif->tif_diroff==0)&&(!TIFFLinkDirectory(tif))) |
| goto bad; |
| } |
| else |
| tif->tif_diroff=(TIFFSeekFile(tif,0,SEEK_END)+1)&(~((toff_t)1)); |
| if (pdiroff!=NULL) |
| *pdiroff=tif->tif_diroff; |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| dirsize=2+ndir*12+4; |
| else |
| dirsize=8+ndir*20+8; |
| tif->tif_dataoff=tif->tif_diroff+dirsize; |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| tif->tif_dataoff=(uint32)tif->tif_dataoff; |
| if ((tif->tif_dataoff<tif->tif_diroff)||(tif->tif_dataoff<(uint64)dirsize)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded"); |
| goto bad; |
| } |
| if (tif->tif_dataoff&1) |
| tif->tif_dataoff++; |
| if (isimage) |
| tif->tif_curdir++; |
| } |
| if (isimage) |
| { |
| if (TIFFFieldSet(tif,FIELD_SUBIFD)&&(tif->tif_subifdoff==0)) |
| { |
| uint32 na; |
| TIFFDirEntry* nb; |
| for (na=0, nb=dir; ; na++, nb++) |
| { |
| if( na == ndir ) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Cannot find SubIFD tag"); |
| goto bad; |
| } |
| if (nb->tdir_tag==TIFFTAG_SUBIFD) |
| break; |
| } |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| tif->tif_subifdoff=tif->tif_diroff+2+na*12+8; |
| else |
| tif->tif_subifdoff=tif->tif_diroff+8+na*20+12; |
| } |
| } |
| dirmem=_TIFFmalloc(dirsize); |
| if (dirmem==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| goto bad; |
| } |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint8* n; |
| uint32 nTmp; |
| TIFFDirEntry* o; |
| n=dirmem; |
| *(uint16*)n=(uint16)ndir; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)n); |
| n+=2; |
| o=dir; |
| for (m=0; m<ndir; m++) |
| { |
| *(uint16*)n=o->tdir_tag; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)n); |
| n+=2; |
| *(uint16*)n=o->tdir_type; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)n); |
| n+=2; |
| nTmp = (uint32)o->tdir_count; |
| _TIFFmemcpy(n,&nTmp,4); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong((uint32*)n); |
| n+=4; |
| /* This is correct. The data has been */ |
| /* swabbed previously in TIFFWriteDirectoryTagData */ |
| _TIFFmemcpy(n,&o->tdir_offset,4); |
| n+=4; |
| o++; |
| } |
| nTmp = (uint32)tif->tif_nextdiroff; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong(&nTmp); |
| _TIFFmemcpy(n,&nTmp,4); |
| } |
| else |
| { |
| uint8* n; |
| TIFFDirEntry* o; |
| n=dirmem; |
| *(uint64*)n=ndir; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8((uint64*)n); |
| n+=8; |
| o=dir; |
| for (m=0; m<ndir; m++) |
| { |
| *(uint16*)n=o->tdir_tag; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)n); |
| n+=2; |
| *(uint16*)n=o->tdir_type; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)n); |
| n+=2; |
| _TIFFmemcpy(n,&o->tdir_count,8); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8((uint64*)n); |
| n+=8; |
| _TIFFmemcpy(n,&o->tdir_offset,8); |
| n+=8; |
| o++; |
| } |
| _TIFFmemcpy(n,&tif->tif_nextdiroff,8); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8((uint64*)n); |
| } |
| _TIFFfree(dir); |
| dir=NULL; |
| if (!SeekOK(tif,tif->tif_diroff)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory"); |
| goto bad; |
| } |
| if (!WriteOK(tif,dirmem,(tmsize_t)dirsize)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"IO error writing directory"); |
| goto bad; |
| } |
| _TIFFfree(dirmem); |
| if (imagedone) |
| { |
| TIFFFreeDirectory(tif); |
| tif->tif_flags &= ~TIFF_DIRTYDIRECT; |
| tif->tif_flags &= ~TIFF_DIRTYSTRIP; |
| (*tif->tif_cleanup)(tif); |
| /* |
| * Reset directory-related state for subsequent |
| * directories. |
| */ |
| TIFFCreateDirectory(tif); |
| } |
| return(1); |
| bad: |
| if (dir!=NULL) |
| _TIFFfree(dir); |
| if (dirmem!=NULL) |
| _TIFFfree(dirmem); |
| return(0); |
| } |
| |
| static int8 TIFFClampDoubleToInt8( double val ) |
| { |
| if( val > 127 ) |
| return 127; |
| if( val < -128 || val != val ) |
| return -128; |
| return (int8)val; |
| } |
| |
| static int16 TIFFClampDoubleToInt16( double val ) |
| { |
| if( val > 32767 ) |
| return 32767; |
| if( val < -32768 || val != val ) |
| return -32768; |
| return (int16)val; |
| } |
| |
| static int32 TIFFClampDoubleToInt32( double val ) |
| { |
| if( val > 0x7FFFFFFF ) |
| return 0x7FFFFFFF; |
| if( val < -0x7FFFFFFF-1 || val != val ) |
| return -0x7FFFFFFF-1; |
| return (int32)val; |
| } |
| |
| static uint8 TIFFClampDoubleToUInt8( double val ) |
| { |
| if( val < 0 ) |
| return 0; |
| if( val > 255 || val != val ) |
| return 255; |
| return (uint8)val; |
| } |
| |
| static uint16 TIFFClampDoubleToUInt16( double val ) |
| { |
| if( val < 0 ) |
| return 0; |
| if( val > 65535 || val != val ) |
| return 65535; |
| return (uint16)val; |
| } |
| |
| static uint32 TIFFClampDoubleToUInt32( double val ) |
| { |
| if( val < 0 ) |
| return 0; |
| if( val > 0xFFFFFFFFU || val != val ) |
| return 0xFFFFFFFFU; |
| return (uint32)val; |
| } |
| |
| static int |
| TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagSampleformatArray"; |
| void* conv; |
| uint32 i; |
| int ok; |
| conv = _TIFFmalloc(count*sizeof(double)); |
| if (conv == NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, "Out of memory"); |
| return (0); |
| } |
| |
| switch (tif->tif_dir.td_sampleformat) |
| { |
| case SAMPLEFORMAT_IEEEFP: |
| if (tif->tif_dir.td_bitspersample<=32) |
| { |
| for (i = 0; i < count; ++i) |
| ((float*)conv)[i] = _TIFFClampDoubleToFloat(value[i]); |
| ok = TIFFWriteDirectoryTagFloatArray(tif,ndir,dir,tag,count,(float*)conv); |
| } |
| else |
| { |
| ok = TIFFWriteDirectoryTagDoubleArray(tif,ndir,dir,tag,count,value); |
| } |
| break; |
| case SAMPLEFORMAT_INT: |
| if (tif->tif_dir.td_bitspersample<=8) |
| { |
| for (i = 0; i < count; ++i) |
| ((int8*)conv)[i] = TIFFClampDoubleToInt8(value[i]); |
| ok = TIFFWriteDirectoryTagSbyteArray(tif,ndir,dir,tag,count,(int8*)conv); |
| } |
| else if (tif->tif_dir.td_bitspersample<=16) |
| { |
| for (i = 0; i < count; ++i) |
| ((int16*)conv)[i] = TIFFClampDoubleToInt16(value[i]); |
| ok = TIFFWriteDirectoryTagSshortArray(tif,ndir,dir,tag,count,(int16*)conv); |
| } |
| else |
| { |
| for (i = 0; i < count; ++i) |
| ((int32*)conv)[i] = TIFFClampDoubleToInt32(value[i]); |
| ok = TIFFWriteDirectoryTagSlongArray(tif,ndir,dir,tag,count,(int32*)conv); |
| } |
| break; |
| case SAMPLEFORMAT_UINT: |
| if (tif->tif_dir.td_bitspersample<=8) |
| { |
| for (i = 0; i < count; ++i) |
| ((uint8*)conv)[i] = TIFFClampDoubleToUInt8(value[i]); |
| ok = TIFFWriteDirectoryTagByteArray(tif,ndir,dir,tag,count,(uint8*)conv); |
| } |
| else if (tif->tif_dir.td_bitspersample<=16) |
| { |
| for (i = 0; i < count; ++i) |
| ((uint16*)conv)[i] = TIFFClampDoubleToUInt16(value[i]); |
| ok = TIFFWriteDirectoryTagShortArray(tif,ndir,dir,tag,count,(uint16*)conv); |
| } |
| else |
| { |
| for (i = 0; i < count; ++i) |
| ((uint32*)conv)[i] = TIFFClampDoubleToUInt32(value[i]); |
| ok = TIFFWriteDirectoryTagLongArray(tif,ndir,dir,tag,count,(uint32*)conv); |
| } |
| break; |
| default: |
| ok = 0; |
| } |
| |
| _TIFFfree(conv); |
| return (ok); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| switch (tif->tif_dir.td_sampleformat) |
| { |
| case SAMPLEFORMAT_IEEEFP: |
| if (tif->tif_dir.td_bitspersample<=32) |
| return(TIFFWriteDirectoryTagFloatPerSample(tif,ndir,dir,tag,(float)value)); |
| else |
| return(TIFFWriteDirectoryTagDoublePerSample(tif,ndir,dir,tag,value)); |
| case SAMPLEFORMAT_INT: |
| if (tif->tif_dir.td_bitspersample<=8) |
| return(TIFFWriteDirectoryTagSbytePerSample(tif,ndir,dir,tag,(int8)value)); |
| else if (tif->tif_dir.td_bitspersample<=16) |
| return(TIFFWriteDirectoryTagSshortPerSample(tif,ndir,dir,tag,(int16)value)); |
| else |
| return(TIFFWriteDirectoryTagSlongPerSample(tif,ndir,dir,tag,(int32)value)); |
| case SAMPLEFORMAT_UINT: |
| if (tif->tif_dir.td_bitspersample<=8) |
| return(TIFFWriteDirectoryTagBytePerSample(tif,ndir,dir,tag,(uint8)value)); |
| else if (tif->tif_dir.td_bitspersample<=16) |
| return(TIFFWriteDirectoryTagShortPerSample(tif,ndir,dir,tag,(uint16)value)); |
| else |
| return(TIFFWriteDirectoryTagLongPerSample(tif,ndir,dir,tag,(uint32)value)); |
| default: |
| return(1); |
| } |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedAscii(tif,ndir,dir,tag,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedUndefinedArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedByte(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedByteArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagBytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagBytePerSample"; |
| uint8* m; |
| uint8* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint8)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedByteArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSbyte(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSbyteArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagSbytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagSbytePerSample"; |
| int8* m; |
| int8* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int8)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedSbyteArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedShort(tif,ndir,dir,tag,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagShortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagShortPerSample"; |
| uint16* m; |
| uint16* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint16)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSshort(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSshortArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagSshortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagSshortPerSample"; |
| int16* m; |
| int16* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int16)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedSshortArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedLong(tif,ndir,dir,tag,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagLongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagLongPerSample"; |
| uint32* m; |
| uint32* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(uint32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSlong(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSlongArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int |
| TIFFWriteDirectoryTagSlongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagSlongPerSample"; |
| int32* m; |
| int32* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(int32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedSlongArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedLong8(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSlong8(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSlong8Array(tif,ndir,dir,tag,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedRational(tif,ndir,dir,tag,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedRationalArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSrationalArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| /*-- Rational2Double: additional write functions */ |
| static int |
| TIFFWriteDirectoryTagRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedRationalDoubleArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedSrationalDoubleArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedFloat(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int TIFFWriteDirectoryTagFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedFloatArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int TIFFWriteDirectoryTagFloatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagFloatPerSample"; |
| float* m; |
| float* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(float)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedFloatArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| #ifdef notdef |
| static int TIFFWriteDirectoryTagDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedDouble(tif,ndir,dir,tag,value)); |
| } |
| #endif |
| |
| static int TIFFWriteDirectoryTagDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #if 0 |
| static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagDoublePerSample"; |
| double* m; |
| double* na; |
| uint16 nb; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=_TIFFmalloc(tif->tif_dir.td_samplesperpixel*sizeof(double)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=m, nb=0; nb<tif->tif_dir.td_samplesperpixel; na++, nb++) |
| *na=value; |
| o=TIFFWriteDirectoryTagCheckedDoubleArray(tif,ndir,dir,tag,tif->tif_dir.td_samplesperpixel,m); |
| _TIFFfree(m); |
| return(o); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,tag,count,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| return(TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir,tag,count,value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagShortLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) |
| { |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| if (value<=0xFFFF) |
| return(TIFFWriteDirectoryTagCheckedShort(tif,ndir,dir,tag,(uint16)value)); |
| else |
| return(TIFFWriteDirectoryTagCheckedLong(tif,ndir,dir,tag,value)); |
| } |
| |
| static int _WriteAsType(TIFF* tif, uint64 strile_size, uint64 uncompressed_threshold) |
| { |
| const uint16 compression = tif->tif_dir.td_compression; |
| if ( compression == COMPRESSION_NONE ) |
| { |
| return strile_size > uncompressed_threshold; |
| } |
| else if ( compression == COMPRESSION_JPEG || |
| compression == COMPRESSION_LZW || |
| compression == COMPRESSION_ADOBE_DEFLATE || |
| compression == COMPRESSION_LZMA || |
| compression == COMPRESSION_LERC || |
| compression == COMPRESSION_ZSTD || |
| compression == COMPRESSION_WEBP ) |
| { |
| /* For a few select compression types, we assume that in the worst */ |
| /* case the compressed size will be 10 times the uncompressed size */ |
| /* This is overly pessismistic ! */ |
| return strile_size >= uncompressed_threshold / 10; |
| } |
| return 1; |
| } |
| |
| static int WriteAsLong8(TIFF* tif, uint64 strile_size) |
| { |
| return _WriteAsType(tif, strile_size, 0xFFFFFFFFU); |
| } |
| |
| static int WriteAsLong4(TIFF* tif, uint64 strile_size) |
| { |
| return _WriteAsType(tif, strile_size, 0xFFFFU); |
| } |
| |
| /************************************************************************/ |
| /* TIFFWriteDirectoryTagLongLong8Array() */ |
| /* */ |
| /* Write out LONG8 array and write a SHORT/LONG/LONG8 depending */ |
| /* on strile size and Classic/BigTIFF mode. */ |
| /************************************************************************/ |
| |
| static int |
| TIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagLongLong8Array"; |
| int o; |
| int write_aslong4; |
| |
| /* is this just a counting pass? */ |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| |
| if( tif->tif_dir.td_deferstrilearraywriting ) |
| { |
| return TIFFWriteDirectoryTagData(tif, ndir, dir, tag, TIFF_NOTYPE, 0, 0, NULL); |
| } |
| |
| if( tif->tif_flags&TIFF_BIGTIFF ) |
| { |
| int write_aslong8 = 1; |
| /* In the case of ByteCounts array, we may be able to write them on */ |
| /* LONG if the strip/tilesize is not too big. */ |
| /* Also do that for count > 1 in the case someone would want to create */ |
| /* a single-strip file with a growing height, in which case using */ |
| /* LONG8 will be safer. */ |
| if( count > 1 && tag == TIFFTAG_STRIPBYTECOUNTS ) |
| { |
| write_aslong8 = WriteAsLong8(tif, TIFFStripSize64(tif)); |
| } |
| else if( count > 1 && tag == TIFFTAG_TILEBYTECOUNTS ) |
| { |
| write_aslong8 = WriteAsLong8(tif, TIFFTileSize64(tif)); |
| } |
| if( write_aslong8 ) |
| { |
| return TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir, |
| tag,count,value); |
| } |
| } |
| |
| write_aslong4 = 1; |
| if( count > 1 && tag == TIFFTAG_STRIPBYTECOUNTS ) |
| { |
| write_aslong4 = WriteAsLong4(tif, TIFFStripSize64(tif)); |
| } |
| else if( count > 1 && tag == TIFFTAG_TILEBYTECOUNTS ) |
| { |
| write_aslong4 = WriteAsLong4(tif, TIFFTileSize64(tif)); |
| } |
| if( write_aslong4 ) |
| { |
| /* |
| ** For classic tiff we want to verify everything is in range for LONG |
| ** and convert to long format. |
| */ |
| |
| uint32* p = _TIFFmalloc(count*sizeof(uint32)); |
| uint32* q; |
| uint64* ma; |
| uint32 mb; |
| |
| if (p==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| |
| for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++) |
| { |
| if (*ma>0xFFFFFFFF) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Attempt to write value larger than 0xFFFFFFFF in LONG array."); |
| _TIFFfree(p); |
| return(0); |
| } |
| *q= (uint32)(*ma); |
| } |
| |
| o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,p); |
| _TIFFfree(p); |
| } |
| else |
| { |
| uint16* p = _TIFFmalloc(count*sizeof(uint16)); |
| uint16* q; |
| uint64* ma; |
| uint32 mb; |
| |
| if (p==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| |
| for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++) |
| { |
| if (*ma>0xFFFF) |
| { |
| /* Should not happen normally given the check we did before */ |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Attempt to write value larger than 0xFFFF in SHORT array."); |
| _TIFFfree(p); |
| return(0); |
| } |
| *q= (uint16)(*ma); |
| } |
| |
| o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,count,p); |
| _TIFFfree(p); |
| } |
| |
| return(o); |
| } |
| |
| /************************************************************************/ |
| /* TIFFWriteDirectoryTagIfdIfd8Array() */ |
| /* */ |
| /* Write either IFD8 or IFD array depending on file type. */ |
| /************************************************************************/ |
| |
| static int |
| TIFFWriteDirectoryTagIfdIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagIfdIfd8Array"; |
| uint64* ma; |
| uint32 mb; |
| uint32* p; |
| uint32* q; |
| int o; |
| |
| /* is this just a counting pass? */ |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| |
| /* We always write IFD8 for BigTIFF, no checking needed. */ |
| if( tif->tif_flags&TIFF_BIGTIFF ) |
| return TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir, |
| tag,count,value); |
| |
| /* |
| ** For classic tiff we want to verify everything is in range for IFD |
| ** and convert to long format. |
| */ |
| |
| p = _TIFFmalloc(count*sizeof(uint32)); |
| if (p==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| |
| for (q=p, ma=value, mb=0; mb<count; ma++, mb++, q++) |
| { |
| if (*ma>0xFFFFFFFF) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module, |
| "Attempt to write value larger than 0xFFFFFFFF in Classic TIFF file."); |
| _TIFFfree(p); |
| return(0); |
| } |
| *q= (uint32)(*ma); |
| } |
| |
| o=TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,tag,count,p); |
| _TIFFfree(p); |
| |
| return(o); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagShortLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagShortLongLong8Array"; |
| uint64* ma; |
| uint32 mb; |
| uint8 n; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| n=0; |
| for (ma=value, mb=0; mb<count; ma++, mb++) |
| { |
| if ((n==0)&&(*ma>0xFFFF)) |
| n=1; |
| if ((n==1)&&(*ma>0xFFFFFFFF)) |
| { |
| n=2; |
| break; |
| } |
| } |
| if (n==0) |
| { |
| uint16* p; |
| uint16* q; |
| p=_TIFFmalloc(count*sizeof(uint16)); |
| if (p==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (ma=value, mb=0, q=p; mb<count; ma++, mb++, q++) |
| *q=(uint16)(*ma); |
| o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,tag,count,p); |
| _TIFFfree(p); |
| } |
| else if (n==1) |
| { |
| uint32* p; |
| uint32* q; |
| p=_TIFFmalloc(count*sizeof(uint32)); |
| if (p==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (ma=value, mb=0, q=p; mb<count; ma++, mb++, q++) |
| *q=(uint32)(*ma); |
| o=TIFFWriteDirectoryTagCheckedLongArray(tif,ndir,dir,tag,count,p); |
| _TIFFfree(p); |
| } |
| else |
| { |
| assert(n==2); |
| o=TIFFWriteDirectoryTagCheckedLong8Array(tif,ndir,dir,tag,count,value); |
| } |
| return(o); |
| } |
| #endif |
| static int |
| TIFFWriteDirectoryTagColormap(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagColormap"; |
| uint32 m; |
| uint16* n; |
| int o; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=(1<<tif->tif_dir.td_bitspersample); |
| n=_TIFFmalloc(3*m*sizeof(uint16)); |
| if (n==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| _TIFFmemcpy(&n[0],tif->tif_dir.td_colormap[0],m*sizeof(uint16)); |
| _TIFFmemcpy(&n[m],tif->tif_dir.td_colormap[1],m*sizeof(uint16)); |
| _TIFFmemcpy(&n[2*m],tif->tif_dir.td_colormap[2],m*sizeof(uint16)); |
| o=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,TIFFTAG_COLORMAP,3*m,n); |
| _TIFFfree(n); |
| return(o); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagTransferfunction(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagTransferfunction"; |
| uint32 m; |
| uint16 n; |
| uint16* o; |
| int p; |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=(1<<tif->tif_dir.td_bitspersample); |
| n=tif->tif_dir.td_samplesperpixel-tif->tif_dir.td_extrasamples; |
| /* |
| * Check if the table can be written as a single column, |
| * or if it must be written as 3 columns. Note that we |
| * write a 3-column tag if there are 2 samples/pixel and |
| * a single column of data won't suffice--hmm. |
| */ |
| if (n>3) |
| n=3; |
| if (n==3) |
| { |
| if (tif->tif_dir.td_transferfunction[2] == NULL || |
| !_TIFFmemcmp(tif->tif_dir.td_transferfunction[0],tif->tif_dir.td_transferfunction[2],m*sizeof(uint16))) |
| n=2; |
| } |
| if (n==2) |
| { |
| if (tif->tif_dir.td_transferfunction[1] == NULL || |
| !_TIFFmemcmp(tif->tif_dir.td_transferfunction[0],tif->tif_dir.td_transferfunction[1],m*sizeof(uint16))) |
| n=1; |
| } |
| if (n==0) |
| n=1; |
| o=_TIFFmalloc(n*m*sizeof(uint16)); |
| if (o==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| _TIFFmemcpy(&o[0],tif->tif_dir.td_transferfunction[0],m*sizeof(uint16)); |
| if (n>1) |
| _TIFFmemcpy(&o[m],tif->tif_dir.td_transferfunction[1],m*sizeof(uint16)); |
| if (n>2) |
| _TIFFmemcpy(&o[2*m],tif->tif_dir.td_transferfunction[2],m*sizeof(uint16)); |
| p=TIFFWriteDirectoryTagCheckedShortArray(tif,ndir,dir,TIFFTAG_TRANSFERFUNCTION,n*m,o); |
| _TIFFfree(o); |
| return(p); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagSubifd(TIFF* tif, uint32* ndir, TIFFDirEntry* dir) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagSubifd"; |
| uint64 m; |
| int n; |
| if (tif->tif_dir.td_nsubifd==0) |
| return(1); |
| if (dir==NULL) |
| { |
| (*ndir)++; |
| return(1); |
| } |
| m=tif->tif_dataoff; |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32* o; |
| uint64* pa; |
| uint32* pb; |
| uint16 p; |
| o=_TIFFmalloc(tif->tif_dir.td_nsubifd*sizeof(uint32)); |
| if (o==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| pa=tif->tif_dir.td_subifd; |
| pb=o; |
| for (p=0; p < tif->tif_dir.td_nsubifd; p++) |
| { |
| assert(pa != 0); |
| |
| /* Could happen if an classicTIFF has a SubIFD of type LONG8 (which is illegal) */ |
| if( *pa > 0xFFFFFFFFUL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Illegal value for SubIFD tag"); |
| _TIFFfree(o); |
| return(0); |
| } |
| *pb++=(uint32)(*pa++); |
| } |
| n=TIFFWriteDirectoryTagCheckedIfdArray(tif,ndir,dir,TIFFTAG_SUBIFD,tif->tif_dir.td_nsubifd,o); |
| _TIFFfree(o); |
| } |
| else |
| n=TIFFWriteDirectoryTagCheckedIfd8Array(tif,ndir,dir,TIFFTAG_SUBIFD,tif->tif_dir.td_nsubifd,tif->tif_dir.td_subifd); |
| if (!n) |
| return(0); |
| /* |
| * Total hack: if this directory includes a SubIFD |
| * tag then force the next <n> directories to be |
| * written as ``sub directories'' of this one. This |
| * is used to write things like thumbnails and |
| * image masks that one wants to keep out of the |
| * normal directory linkage access mechanism. |
| */ |
| tif->tif_flags|=TIFF_INSUBIFD; |
| tif->tif_nsubifd=tif->tif_dir.td_nsubifd; |
| if (tif->tif_dir.td_nsubifd==1) |
| tif->tif_subifdoff=0; |
| else |
| tif->tif_subifdoff=m; |
| return(1); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value) |
| { |
| assert(sizeof(char)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_ASCII,count,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) |
| { |
| assert(sizeof(uint8)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_UNDEFINED,count,count,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value) |
| { |
| assert(sizeof(uint8)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_BYTE,1,1,&value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value) |
| { |
| assert(sizeof(uint8)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_BYTE,count,count,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value) |
| { |
| assert(sizeof(int8)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SBYTE,1,1,&value)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value) |
| { |
| assert(sizeof(int8)==1); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SBYTE,count,count,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value) |
| { |
| uint16 m; |
| assert(sizeof(uint16)==2); |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort(&m); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SHORT,1,2,&m)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value) |
| { |
| assert(count<0x80000000); |
| assert(sizeof(uint16)==2); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfShort(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SHORT,count,count*2,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value) |
| { |
| int16 m; |
| assert(sizeof(int16)==2); |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort((uint16*)(&m)); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SSHORT,1,2,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value) |
| { |
| assert(count<0x80000000); |
| assert(sizeof(int16)==2); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfShort((uint16*)value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SSHORT,count,count*2,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value) |
| { |
| uint32 m; |
| assert(sizeof(uint32)==4); |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong(&m); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG,1,4,&m)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) |
| { |
| assert(count<0x40000000); |
| assert(sizeof(uint32)==4); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG,count,count*4,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value) |
| { |
| int32 m; |
| assert(sizeof(int32)==4); |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong((uint32*)(&m)); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG,1,4,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value) |
| { |
| assert(count<0x40000000); |
| assert(sizeof(int32)==4); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong((uint32*)value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG,count,count*4,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value) |
| { |
| uint64 m; |
| assert(sizeof(uint64)==8); |
| if( !(tif->tif_flags&TIFF_BIGTIFF) ) { |
| TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8","LONG8 not allowed for ClassicTIFF"); |
| return(0); |
| } |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8(&m); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG8,1,8,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| assert(count<0x20000000); |
| assert(sizeof(uint64)==8); |
| if( !(tif->tif_flags&TIFF_BIGTIFF) ) { |
| TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedLong8Array","LONG8 not allowed for ClassicTIFF"); |
| return(0); |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong8(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_LONG8,count,count*8,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value) |
| { |
| int64 m; |
| assert(sizeof(int64)==8); |
| if( !(tif->tif_flags&TIFF_BIGTIFF) ) { |
| TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedSlong8","SLONG8 not allowed for ClassicTIFF"); |
| return(0); |
| } |
| m=value; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8((uint64*)(&m)); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG8,1,8,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value) |
| { |
| assert(count<0x20000000); |
| assert(sizeof(int64)==8); |
| if( !(tif->tif_flags&TIFF_BIGTIFF) ) { |
| TIFFErrorExt(tif->tif_clientdata,"TIFFWriteDirectoryTagCheckedSlong8Array","SLONG8 not allowed for ClassicTIFF"); |
| return(0); |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong8((uint64*)value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SLONG8,count,count*8,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagCheckedRational"; |
| uint32 m[2]; |
| assert(sizeof(uint32)==4); |
| if (value < 0) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, "Negative value is illegal"); |
| return 0; |
| } |
| else if (value != value) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, "Not-a-number value is illegal"); |
| return 0; |
| } |
| #ifdef not_def |
| else if (value==0.0) |
| { |
| m[0]=0; |
| m[1]=1; |
| } |
| else if (value <= 0xFFFFFFFFU && value==(double)(uint32)value) |
| { |
| m[0]=(uint32)value; |
| m[1]=1; |
| } |
| else if (value<1.0) |
| { |
| m[0]=(uint32)(value*0xFFFFFFFF); |
| m[1]=0xFFFFFFFF; |
| } |
| else |
| { |
| m[0]=0xFFFFFFFF; |
| m[1]=(uint32)(0xFFFFFFFF/value); |
| } |
| #else |
| /*--Rational2Double: New function also used for non-custom rational tags. |
| * However, could be omitted here, because TIFFWriteDirectoryTagCheckedRational() is not used by code for custom tags, |
| * only by code for named-tiff-tags like FIELD_RESOLUTION and FIELD_POSITION */ |
| else { |
| DoubleToRational(value, &m[0], &m[1]); |
| } |
| #endif |
| |
| if (tif->tif_flags&TIFF_SWAB) |
| { |
| TIFFSwabLong(&m[0]); |
| TIFFSwabLong(&m[1]); |
| } |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_RATIONAL,1,8,&m[0])); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagCheckedRationalArray"; |
| uint32* m; |
| float* na; |
| uint32* nb; |
| uint32 nc; |
| int o; |
| assert(sizeof(uint32)==4); |
| m=_TIFFmalloc(count*2*sizeof(uint32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) |
| { |
| #ifdef not_def |
| if (*na<=0.0 || *na != *na) |
| { |
| nb[0]=0; |
| nb[1]=1; |
| } |
| else if (*na >= 0 && *na <= (float)0xFFFFFFFFU && |
| *na==(float)(uint32)(*na)) |
| { |
| nb[0]=(uint32)(*na); |
| nb[1]=1; |
| } |
| else if (*na<1.0) |
| { |
| nb[0]=(uint32)((double)(*na)*0xFFFFFFFF); |
| nb[1]=0xFFFFFFFF; |
| } |
| else |
| { |
| nb[0]=0xFFFFFFFF; |
| nb[1]=(uint32)((double)0xFFFFFFFF/(*na)); |
| } |
| #else |
| /*-- Rational2Double: Also for float precision accuracy is sometimes enhanced --*/ |
| DoubleToRational(*na, &nb[0], &nb[1]); |
| #endif |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong(m,count*2); |
| o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_RATIONAL,count,count*8,&m[0]); |
| _TIFFfree(m); |
| return(o); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagCheckedSrationalArray"; |
| int32* m; |
| float* na; |
| int32* nb; |
| uint32 nc; |
| int o; |
| assert(sizeof(int32)==4); |
| m=_TIFFmalloc(count*2*sizeof(int32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) |
| { |
| #ifdef not_def |
| if (*na<0.0) |
| { |
| if (*na==(int32)(*na)) |
| { |
| nb[0]=(int32)(*na); |
| nb[1]=1; |
| } |
| else if (*na>-1.0) |
| { |
| nb[0]=-(int32)((double)(-*na)*0x7FFFFFFF); |
| nb[1]=0x7FFFFFFF; |
| } |
| else |
| { |
| nb[0]=-0x7FFFFFFF; |
| nb[1]=(int32)((double)0x7FFFFFFF/(-*na)); |
| } |
| } |
| else |
| { |
| if (*na==(int32)(*na)) |
| { |
| nb[0]=(int32)(*na); |
| nb[1]=1; |
| } |
| else if (*na<1.0) |
| { |
| nb[0]=(int32)((double)(*na)*0x7FFFFFFF); |
| nb[1]=0x7FFFFFFF; |
| } |
| else |
| { |
| nb[0]=0x7FFFFFFF; |
| nb[1]=(int32)((double)0x7FFFFFFF/(*na)); |
| } |
| } |
| #else |
| /*-- Rational2Double: Also for float precision accuracy is sometimes enhanced --*/ |
| DoubleToSrational(*na, &nb[0], &nb[1]); |
| #endif |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong((uint32*)m,count*2); |
| o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SRATIONAL,count,count*8,&m[0]); |
| _TIFFfree(m); |
| return(o); |
| } |
| |
| /*-- Rational2Double: additional write functions for double arrays */ |
| static int |
| TIFFWriteDirectoryTagCheckedRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagCheckedRationalDoubleArray"; |
| uint32* m; |
| double* na; |
| uint32* nb; |
| uint32 nc; |
| int o; |
| assert(sizeof(uint32)==4); |
| m=_TIFFmalloc(count*2*sizeof(uint32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) |
| { |
| DoubleToRational(*na, &nb[0], &nb[1]); |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong(m,count*2); |
| o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_RATIONAL,count,count*8,&m[0]); |
| _TIFFfree(m); |
| return(o); |
| } /*-- TIFFWriteDirectoryTagCheckedRationalDoubleArray() ------- */ |
| |
| static int |
| TIFFWriteDirectoryTagCheckedSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagCheckedSrationalDoubleArray"; |
| int32* m; |
| double* na; |
| int32* nb; |
| uint32 nc; |
| int o; |
| assert(sizeof(int32)==4); |
| m=_TIFFmalloc(count*2*sizeof(int32)); |
| if (m==NULL) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Out of memory"); |
| return(0); |
| } |
| for (na=value, nb=m, nc=0; nc<count; na++, nb+=2, nc++) |
| { |
| DoubleToSrational(*na, &nb[0], &nb[1]); |
| } |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong((uint32*)m,count*2); |
| o=TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_SRATIONAL,count,count*8,&m[0]); |
| _TIFFfree(m); |
| return(o); |
| } /*--- TIFFWriteDirectoryTagCheckedSrationalDoubleArray() -------- */ |
| |
| #if 0 |
| static |
| void DoubleToRational_direct(double value, unsigned long *num, unsigned long *denom) |
| { |
| /*--- OLD Code for debugging and comparison ---- */ |
| /* code merged from TIFFWriteDirectoryTagCheckedRationalArray() and TIFFWriteDirectoryTagCheckedRational() */ |
| |
| /* First check for zero and also check for negative numbers (which are illegal for RATIONAL) |
| * and also check for "not-a-number". In each case just set this to zero to support also rational-arrays. |
| */ |
| if (value<=0.0 || value != value) |
| { |
| *num=0; |
| *denom=1; |
| } |
| else if (value <= 0xFFFFFFFFU && (value==(double)(uint32)(value))) /* check for integer values */ |
| { |
| *num=(uint32)(value); |
| *denom=1; |
| } |
| else if (value<1.0) |
| { |
| *num = (uint32)((value) * (double)0xFFFFFFFFU); |
| *denom=0xFFFFFFFFU; |
| } |
| else |
| { |
| *num=0xFFFFFFFFU; |
| *denom=(uint32)((double)0xFFFFFFFFU/(value)); |
| } |
| } /*-- DoubleToRational_direct() -------------- */ |
| #endif |
| |
| #if 0 |
| static |
| void DoubleToSrational_direct(double value, long *num, long *denom) |
| { |
| /*--- OLD Code for debugging and comparison -- SIGNED-version ----*/ |
| /* code was amended from original TIFFWriteDirectoryTagCheckedSrationalArray() */ |
| |
| /* First check for zero and also check for negative numbers (which are illegal for RATIONAL) |
| * and also check for "not-a-number". In each case just set this to zero to support also rational-arrays. |
| */ |
| if (value<0.0) |
| { |
| if (value==(int32)(value)) |
| { |
| *num=(int32)(value); |
| *denom=1; |
| } |
| else if (value>-1.0) |
| { |
| *num=-(int32)((-value) * (double)0x7FFFFFFF); |
| *denom=0x7FFFFFFF; |
| } |
| else |
| { |
| *num=-0x7FFFFFFF; |
| *denom=(int32)((double)0x7FFFFFFF / (-value)); |
| } |
| } |
| else |
| { |
| if (value==(int32)(value)) |
| { |
| *num=(int32)(value); |
| *denom=1; |
| } |
| else if (value<1.0) |
| { |
| *num=(int32)((value) *(double)0x7FFFFFFF); |
| *denom=0x7FFFFFFF; |
| } |
| else |
| { |
| *num=0x7FFFFFFF; |
| *denom=(int32)((double)0x7FFFFFFF / (value)); |
| } |
| } |
| } /*-- DoubleToSrational_direct() --------------*/ |
| #endif |
| |
| //#define DOUBLE2RAT_DEBUGOUTPUT |
| /** ----- Rational2Double: Double To Rational Conversion ---------------------------------------------------------- |
| * There is a mathematical theorem to convert real numbers into a rational (integer fraction) number. |
| * This is called "continuous fraction" which uses the Euclidean algorithm to find the greatest common divisor (GCD). |
| * (ref. e.g. https://de.wikipedia.org/wiki/Kettenbruch or https://en.wikipedia.org/wiki/Continued_fraction |
| * https://en.wikipedia.org/wiki/Euclidean_algorithm) |
| * The following functions implement the |
| * - ToRationalEuclideanGCD() auxiliary function which mainly implements euclidean GCD |
| * - DoubleToRational() conversion function for un-signed rationals |
| * - DoubleToSrational() conversion function for signed rationals |
| ------------------------------------------------------------------------------------------------------------------*/ |
| |
| /**---- ToRationalEuclideanGCD() ----------------------------------------- |
| * Calculates the rational fractional of a double input value |
| * using the Euclidean algorithm to find the greatest common divisor (GCD) |
| ------------------------------------------------------------------------*/ |
| static |
| void ToRationalEuclideanGCD(double value, int blnUseSignedRange, int blnUseSmallRange, unsigned long long *ullNum, unsigned long long *ullDenom) |
| { |
| /* Internally, the integer variables can be bigger than the external ones, |
| * as long as the result will fit into the external variable size. |
| */ |
| unsigned long long val, numSum[3] = { 0, 1, 0 }, denomSum[3] = { 1, 0, 0 }; |
| unsigned long long aux, bigNum, bigDenom; |
| unsigned long long returnLimit; |
| int i; |
| unsigned long long nMax; |
| double fMax; |
| unsigned long maxDenom; |
| /*-- nMax and fMax defines the initial accuracy of the starting fractional, |
| * or better, the highest used integer numbers used within the starting fractional (bigNum/bigDenom). |
| * There are two approaches, which can accidentally lead to different accuracies just depending on the value. |
| * Therefore, blnUseSmallRange steers this behavior. |
| * For long long nMax = ((9223372036854775807-1)/2); for long nMax = ((2147483647-1)/2); |
| */ |
| if (blnUseSmallRange) { |
| nMax = (unsigned long long)((2147483647 - 1) / 2); /* for ULONG range */ |
| } |
| else { |
| nMax = ((9223372036854775807 - 1) / 2); /* for ULLONG range */ |
| } |
| fMax = (double)nMax; |
| |
| /*-- For the Euclidean GCD define the denominator range, so that it stays within size of unsigned long variables. |
| * maxDenom should be LONG_MAX for negative values and ULONG_MAX for positive ones. |
| * Also the final returned value of ullNum and ullDenom is limited according to signed- or unsigned-range. |
| */ |
| if (blnUseSignedRange) { |
| maxDenom = 2147483647UL; /*LONG_MAX = 0x7FFFFFFFUL*/ |
| returnLimit = maxDenom; |
| } |
| else { |
| maxDenom = 0xFFFFFFFFUL; /*ULONG_MAX = 0xFFFFFFFFUL*/ |
| returnLimit = maxDenom; |
| } |
| |
| /*-- First generate a rational fraction (bigNum/bigDenom) which represents the value |
| * as a rational number with the highest accuracy. Therefore, unsigned long long (uint64) is needed. |
| * This rational fraction is then reduced using the Euclidean algorithm to find the greatest common divisor (GCD). |
| * bigNum = big numinator of value without fraction (or cut residual fraction) |
| * bigDenom = big denominator of value |
| *-- Break-criteria so that uint64 cast to "bigNum" introduces no error and bigDenom has no overflow, |
| * and stop with enlargement of fraction when the double-value of it reaches an integer number without fractional part. |
| */ |
| bigDenom = 1; |
| while ((value != floor(value)) && (value < fMax) && (bigDenom < nMax)) { |
| bigDenom <<= 1; |
| value *= 2; |
| } |
| bigNum = (unsigned long long)value; |
| |
| /*-- Start Euclidean algorithm to find the greatest common divisor (GCD) -- */ |
| #define MAX_ITERATIONS 64 |
| for (i = 0; i < MAX_ITERATIONS; i++) { |
| /* if bigDenom is not zero, calculate integer part of fraction. */ |
| if (bigDenom == 0) { |
| val = 0; |
| break; |
| } |
| else { |
| val = bigNum / bigDenom; |
| } |
| |
| /* Set bigDenom to reminder of bigNum/bigDenom and bigNum to previous denominator bigDenom. */ |
| aux = bigNum; |
| bigNum = bigDenom; |
| bigDenom = aux % bigDenom; |
| |
| /* calculate next denominator and check for its given maximum */ |
| aux = val; |
| if (denomSum[1] * val + denomSum[0] >= maxDenom) { |
| aux = (maxDenom - denomSum[0]) / denomSum[1]; |
| if (aux * 2 >= val || denomSum[1] >= maxDenom) |
| i = (MAX_ITERATIONS + 1); /* exit but execute rest of for-loop */ |
| else |
| break; |
| } |
| /* calculate next numerator to numSum2 and save previous one to numSum0; numSum1 just copy of numSum2. */ |
| numSum[2] = aux * numSum[1] + numSum[0]; |
| numSum[0] = numSum[1]; |
| numSum[1] = numSum[2]; |
| /* calculate next denominator to denomSum2 and save previous one to denomSum0; denomSum1 just copy of denomSum2. */ |
| denomSum[2] = aux * denomSum[1] + denomSum[0]; |
| denomSum[0] = denomSum[1]; |
| denomSum[1] = denomSum[2]; |
| } |
| |
| /*-- Check and adapt for final variable size and return values; reduces internal accuracy; denominator is kept in ULONG-range with maxDenom -- */ |
| while (numSum[1] > returnLimit || denomSum[1] > returnLimit) { |
| numSum[1] = numSum[1] / 2; |
| denomSum[1] = denomSum[1] / 2; |
| } |
| |
| /* return values */ |
| *ullNum = numSum[1]; |
| *ullDenom = denomSum[1]; |
| |
| } /*-- ToRationalEuclideanGCD() -------------- */ |
| |
| |
| /**---- DoubleToRational() ----------------------------------------------- |
| * Calculates the rational fractional of a double input value |
| * for UN-SIGNED rationals, |
| * using the Euclidean algorithm to find the greatest common divisor (GCD) |
| ------------------------------------------------------------------------*/ |
| static |
| void DoubleToRational(double value, uint32 *num, uint32 *denom) |
| { |
| /*---- UN-SIGNED RATIONAL ---- */ |
| double dblDiff, dblDiff2; |
| unsigned long long ullNum, ullDenom, ullNum2, ullDenom2; |
| |
| /*-- Check for negative values. If so it is an error. */ |
| /* Test written that way to catch NaN */ |
| if (!(value >= 0)) { |
| *num = *denom = 0; |
| TIFFErrorExt(0, "TIFFLib: DoubleToRational()", " Negative Value for Unsigned Rational given."); |
| return; |
| } |
| |
| /*-- Check for too big numbers (> ULONG_MAX) -- */ |
| if (value > 0xFFFFFFFFUL) { |
| *num = 0xFFFFFFFFU; |
| *denom = 0; |
| return; |
| } |
| /*-- Check for easy integer numbers -- */ |
| if (value == (uint32)(value)) { |
| *num = (uint32)value; |
| *denom = 1; |
| return; |
| } |
| /*-- Check for too small numbers for "unsigned long" type rationals -- */ |
| if (value < 1.0 / (double)0xFFFFFFFFUL) { |
| *num = 0; |
| *denom = 0xFFFFFFFFU; |
| return; |
| } |
| |
| /*-- There are two approaches using the Euclidean algorithm, |
| * which can accidentally lead to different accuracies just depending on the value. |
| * Try both and define which one was better. |
| */ |
| ToRationalEuclideanGCD(value, FALSE, FALSE, &ullNum, &ullDenom); |
| ToRationalEuclideanGCD(value, FALSE, TRUE, &ullNum2, &ullDenom2); |
| /*-- Double-Check, that returned values fit into ULONG :*/ |
| if (ullNum > 0xFFFFFFFFUL || ullDenom > 0xFFFFFFFFUL || ullNum2 > 0xFFFFFFFFUL || ullDenom2 > 0xFFFFFFFFUL) { |
| #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) |
| TIFFErrorExt(0, "TIFFLib: DoubleToRational()", " Num or Denom exceeds ULONG: val=%14.6f, num=%I64u, denom=%I64u | num2=%I64u, denom2=%I64u", value, ullNum, ullDenom, ullNum2, ullDenom2); |
| #else |
| TIFFErrorExt(0, "TIFFLib: DoubleToRational()", " Num or Denom exceeds ULONG: val=%14.6f, num=%12llu, denom=%12llu | num2=%12llu, denom2=%12llu", value, ullNum, ullDenom, ullNum2, ullDenom2); |
| #endif |
| assert(0); |
| } |
| |
| /* Check, which one has higher accuracy and take that. */ |
| dblDiff = fabs(value - ((double)ullNum / (double)ullDenom)); |
| dblDiff2 = fabs(value - ((double)ullNum2 / (double)ullDenom2)); |
| if (dblDiff < dblDiff2) { |
| *num = (uint32)ullNum; |
| *denom = (uint32)ullDenom; |
| } |
| else { |
| *num = (uint32)ullNum2; |
| *denom = (uint32)ullDenom2; |
| } |
| } /*-- DoubleToRational() -------------- */ |
| |
| /**---- DoubleToSrational() ----------------------------------------------- |
| * Calculates the rational fractional of a double input value |
| * for SIGNED rationals, |
| * using the Euclidean algorithm to find the greatest common divisor (GCD) |
| ------------------------------------------------------------------------*/ |
| static |
| void DoubleToSrational(double value, int32 *num, int32 *denom) |
| { |
| /*---- SIGNED RATIONAL ----*/ |
| int neg = 1; |
| double dblDiff, dblDiff2; |
| unsigned long long ullNum, ullDenom, ullNum2, ullDenom2; |
| |
| /*-- Check for negative values and use then the positive one for internal calculations, but take the sign into account before returning. */ |
| if (value < 0) { neg = -1; value = -value; } |
| |
| /*-- Check for too big numbers (> LONG_MAX) -- */ |
| if (value > 0x7FFFFFFFL) { |
| *num = 0x7FFFFFFFL; |
| *denom = 0; |
| return; |
| } |
| /*-- Check for easy numbers -- */ |
| if (value == (int32)(value)) { |
| *num = (int32)(neg * value); |
| *denom = 1; |
| return; |
| } |
| /*-- Check for too small numbers for "long" type rationals -- */ |
| if (value < 1.0 / (double)0x7FFFFFFFL) { |
| *num = 0; |
| *denom = 0x7FFFFFFFL; |
| return; |
| } |
| |
| /*-- There are two approaches using the Euclidean algorithm, |
| * which can accidentally lead to different accuracies just depending on the value. |
| * Try both and define which one was better. |
| * Furthermore, set behavior of ToRationalEuclideanGCD() to the range of signed-long. |
| */ |
| ToRationalEuclideanGCD(value, TRUE, FALSE, &ullNum, &ullDenom); |
| ToRationalEuclideanGCD(value, TRUE, TRUE, &ullNum2, &ullDenom2); |
| /*-- Double-Check, that returned values fit into LONG :*/ |
| if (ullNum > 0x7FFFFFFFL || ullDenom > 0x7FFFFFFFL || ullNum2 > 0x7FFFFFFFL || ullDenom2 > 0x7FFFFFFFL) { |
| #if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__)) |
| TIFFErrorExt(0, "TIFFLib: DoubleToSrational()", " Num or Denom exceeds LONG: val=%14.6f, num=%I64u, denom=%I64u | num2=%I64u, denom2=%I64u", neg*value, ullNum, ullDenom, ullNum2, ullDenom2); |
| #else |
| TIFFErrorExt(0, "TIFFLib: DoubleToSrational()", " Num or Denom exceeds LONG: val=%14.6f, num=%12llu, denom=%12llu | num2=%12llu, denom2=%12llu", neg*value, ullNum, ullDenom, ullNum2, ullDenom2); |
| #endif |
| assert(0); |
| } |
| |
| /* Check, which one has higher accuracy and take that. */ |
| dblDiff = fabs(value - ((double)ullNum / (double)ullDenom)); |
| dblDiff2 = fabs(value - ((double)ullNum2 / (double)ullDenom2)); |
| if (dblDiff < dblDiff2) { |
| *num = (int32)(neg * (long)ullNum); |
| *denom = (int32)ullDenom; |
| } |
| else { |
| *num = (int32)(neg * (long)ullNum2); |
| *denom = (int32)ullDenom2; |
| } |
| } /*-- DoubleToSrational() --------------*/ |
| |
| |
| |
| |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value) |
| { |
| float m; |
| assert(sizeof(float)==4); |
| m=value; |
| TIFFCvtNativeToIEEEFloat(tif,1,&m); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabFloat(&m); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_FLOAT,1,4,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value) |
| { |
| assert(count<0x40000000); |
| assert(sizeof(float)==4); |
| TIFFCvtNativeToIEEEFloat(tif,count,&value); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfFloat(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_FLOAT,count,count*4,value)); |
| } |
| |
| #ifdef notdef |
| static int |
| TIFFWriteDirectoryTagCheckedDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value) |
| { |
| double m; |
| assert(sizeof(double)==8); |
| m=value; |
| TIFFCvtNativeToIEEEDouble(tif,1,&m); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabDouble(&m); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,1,8,&m)); |
| } |
| #endif |
| |
| static int |
| TIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value) |
| { |
| assert(count<0x20000000); |
| assert(sizeof(double)==8); |
| TIFFCvtNativeToIEEEDouble(tif,count,&value); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfDouble(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_DOUBLE,count,count*8,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value) |
| { |
| assert(count<0x40000000); |
| assert(sizeof(uint32)==4); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_IFD,count,count*4,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagCheckedIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value) |
| { |
| assert(count<0x20000000); |
| assert(sizeof(uint64)==8); |
| assert(tif->tif_flags&TIFF_BIGTIFF); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabArrayOfLong8(value,count); |
| return(TIFFWriteDirectoryTagData(tif,ndir,dir,tag,TIFF_IFD8,count,count*8,value)); |
| } |
| |
| static int |
| TIFFWriteDirectoryTagData(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 datatype, uint32 count, uint32 datalength, void* data) |
| { |
| static const char module[] = "TIFFWriteDirectoryTagData"; |
| uint32 m; |
| m=0; |
| while (m<(*ndir)) |
| { |
| assert(dir[m].tdir_tag!=tag); |
| if (dir[m].tdir_tag>tag) |
| break; |
| m++; |
| } |
| if (m<(*ndir)) |
| { |
| uint32 n; |
| for (n=*ndir; n>m; n--) |
| dir[n]=dir[n-1]; |
| } |
| dir[m].tdir_tag=tag; |
| dir[m].tdir_type=datatype; |
| dir[m].tdir_count=count; |
| dir[m].tdir_offset.toff_long8 = 0; |
| if (datalength<=((tif->tif_flags&TIFF_BIGTIFF)?0x8U:0x4U)) |
| { |
| if( data && datalength ) |
| { |
| _TIFFmemcpy(&dir[m].tdir_offset,data,datalength); |
| } |
| } |
| else |
| { |
| uint64 na,nb; |
| na=tif->tif_dataoff; |
| nb=na+datalength; |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| nb=(uint32)nb; |
| if ((nb<na)||(nb<datalength)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"Maximum TIFF file size exceeded"); |
| return(0); |
| } |
| if (!SeekOK(tif,na)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"IO error writing tag data"); |
| return(0); |
| } |
| assert(datalength<0x80000000UL); |
| if (!WriteOK(tif,data,(tmsize_t)datalength)) |
| { |
| TIFFErrorExt(tif->tif_clientdata,module,"IO error writing tag data"); |
| return(0); |
| } |
| tif->tif_dataoff=nb; |
| if (tif->tif_dataoff&1) |
| tif->tif_dataoff++; |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32 o; |
| o=(uint32)na; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong(&o); |
| _TIFFmemcpy(&dir[m].tdir_offset,&o,4); |
| } |
| else |
| { |
| dir[m].tdir_offset.toff_long8 = na; |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8(&dir[m].tdir_offset.toff_long8); |
| } |
| } |
| (*ndir)++; |
| return(1); |
| } |
| |
| /* |
| * Link the current directory into the directory chain for the file. |
| */ |
| static int |
| TIFFLinkDirectory(TIFF* tif) |
| { |
| static const char module[] = "TIFFLinkDirectory"; |
| |
| tif->tif_diroff = (TIFFSeekFile(tif,0,SEEK_END)+1) & (~((toff_t)1)); |
| |
| /* |
| * Handle SubIFDs |
| */ |
| if (tif->tif_flags & TIFF_INSUBIFD) |
| { |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32 m; |
| m = (uint32)tif->tif_diroff; |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong(&m); |
| (void) TIFFSeekFile(tif, tif->tif_subifdoff, SEEK_SET); |
| if (!WriteOK(tif, &m, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing SubIFD directory link"); |
| return (0); |
| } |
| /* |
| * Advance to the next SubIFD or, if this is |
| * the last one configured, revert back to the |
| * normal directory linkage. |
| */ |
| if (--tif->tif_nsubifd) |
| tif->tif_subifdoff += 4; |
| else |
| tif->tif_flags &= ~TIFF_INSUBIFD; |
| return (1); |
| } |
| else |
| { |
| uint64 m; |
| m = tif->tif_diroff; |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&m); |
| (void) TIFFSeekFile(tif, tif->tif_subifdoff, SEEK_SET); |
| if (!WriteOK(tif, &m, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing SubIFD directory link"); |
| return (0); |
| } |
| /* |
| * Advance to the next SubIFD or, if this is |
| * the last one configured, revert back to the |
| * normal directory linkage. |
| */ |
| if (--tif->tif_nsubifd) |
| tif->tif_subifdoff += 8; |
| else |
| tif->tif_flags &= ~TIFF_INSUBIFD; |
| return (1); |
| } |
| } |
| |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32 m; |
| uint32 nextdir; |
| m = (uint32)(tif->tif_diroff); |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong(&m); |
| if (tif->tif_header.classic.tiff_diroff == 0) { |
| /* |
| * First directory, overwrite offset in header. |
| */ |
| tif->tif_header.classic.tiff_diroff = (uint32) tif->tif_diroff; |
| (void) TIFFSeekFile(tif,4, SEEK_SET); |
| if (!WriteOK(tif, &m, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
| "Error writing TIFF header"); |
| return (0); |
| } |
| return (1); |
| } |
| /* |
| * Not the first directory, search to the last and append. |
| */ |
| nextdir = tif->tif_header.classic.tiff_diroff; |
| while(1) { |
| uint16 dircount; |
| uint32 nextnextdir; |
| |
| if (!SeekOK(tif, nextdir) || |
| !ReadOK(tif, &dircount, 2)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory count"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabShort(&dircount); |
| (void) TIFFSeekFile(tif, |
| nextdir+2+dircount*12, SEEK_SET); |
| if (!ReadOK(tif, &nextnextdir, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory link"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong(&nextnextdir); |
| if (nextnextdir==0) |
| { |
| (void) TIFFSeekFile(tif, |
| nextdir+2+dircount*12, SEEK_SET); |
| if (!WriteOK(tif, &m, 4)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| break; |
| } |
| nextdir=nextnextdir; |
| } |
| } |
| else |
| { |
| uint64 m; |
| uint64 nextdir; |
| m = tif->tif_diroff; |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&m); |
| if (tif->tif_header.big.tiff_diroff == 0) { |
| /* |
| * First directory, overwrite offset in header. |
| */ |
| tif->tif_header.big.tiff_diroff = tif->tif_diroff; |
| (void) TIFFSeekFile(tif,8, SEEK_SET); |
| if (!WriteOK(tif, &m, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, tif->tif_name, |
| "Error writing TIFF header"); |
| return (0); |
| } |
| return (1); |
| } |
| /* |
| * Not the first directory, search to the last and append. |
| */ |
| nextdir = tif->tif_header.big.tiff_diroff; |
| while(1) { |
| uint64 dircount64; |
| uint16 dircount; |
| uint64 nextnextdir; |
| |
| if (!SeekOK(tif, nextdir) || |
| !ReadOK(tif, &dircount64, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory count"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&dircount64); |
| if (dircount64>0xFFFF) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Sanity check on tag count failed, likely corrupt TIFF"); |
| return (0); |
| } |
| dircount=(uint16)dircount64; |
| (void) TIFFSeekFile(tif, |
| nextdir+8+dircount*20, SEEK_SET); |
| if (!ReadOK(tif, &nextnextdir, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error fetching directory link"); |
| return (0); |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&nextnextdir); |
| if (nextnextdir==0) |
| { |
| (void) TIFFSeekFile(tif, |
| nextdir+8+dircount*20, SEEK_SET); |
| if (!WriteOK(tif, &m, 8)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| break; |
| } |
| nextdir=nextnextdir; |
| } |
| } |
| return (1); |
| } |
| |
| /************************************************************************/ |
| /* TIFFRewriteField() */ |
| /* */ |
| /* Rewrite a field in the directory on disk without regard to */ |
| /* updating the TIFF directory structure in memory. Currently */ |
| /* only supported for field that already exist in the on-disk */ |
| /* directory. Mainly used for updating stripoffset / */ |
| /* stripbytecount values after the directory is already on */ |
| /* disk. */ |
| /* */ |
| /* Returns zero on failure, and one on success. */ |
| /************************************************************************/ |
| |
| int |
| _TIFFRewriteField(TIFF* tif, uint16 tag, TIFFDataType in_datatype, |
| tmsize_t count, void* data) |
| { |
| static const char module[] = "TIFFResetField"; |
| /* const TIFFField* fip = NULL; */ |
| uint16 dircount; |
| tmsize_t dirsize; |
| uint8 direntry_raw[20]; |
| uint16 entry_tag = 0; |
| uint16 entry_type = 0; |
| uint64 entry_count = 0; |
| uint64 entry_offset = 0; |
| int value_in_entry = 0; |
| uint64 read_offset; |
| uint8 *buf_to_write = NULL; |
| TIFFDataType datatype; |
| |
| /* -------------------------------------------------------------------- */ |
| /* Find field definition. */ |
| /* -------------------------------------------------------------------- */ |
| /*fip =*/ TIFFFindField(tif, tag, TIFF_ANY); |
| |
| /* -------------------------------------------------------------------- */ |
| /* Do some checking this is a straight forward case. */ |
| /* -------------------------------------------------------------------- */ |
| if( isMapped(tif) ) |
| { |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Memory mapped files not currently supported for this operation." ); |
| return 0; |
| } |
| |
| if( tif->tif_diroff == 0 ) |
| { |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Attempt to reset field on directory not already on disk." ); |
| return 0; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Read the directory entry count. */ |
| /* -------------------------------------------------------------------- */ |
| if (!SeekOK(tif, tif->tif_diroff)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Seek error accessing TIFF directory", |
| tif->tif_name); |
| return 0; |
| } |
| |
| read_offset = tif->tif_diroff; |
| |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| if (!ReadOK(tif, &dircount, sizeof (uint16))) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Can not read TIFF directory count", |
| tif->tif_name); |
| return 0; |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabShort(&dircount); |
| dirsize = 12; |
| read_offset += 2; |
| } else { |
| uint64 dircount64; |
| if (!ReadOK(tif, &dircount64, sizeof (uint64))) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Can not read TIFF directory count", |
| tif->tif_name); |
| return 0; |
| } |
| if (tif->tif_flags & TIFF_SWAB) |
| TIFFSwabLong8(&dircount64); |
| dircount = (uint16)dircount64; |
| dirsize = 20; |
| read_offset += 8; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Read through directory to find target tag. */ |
| /* -------------------------------------------------------------------- */ |
| while( dircount > 0 ) |
| { |
| if (!ReadOK(tif, direntry_raw, dirsize)) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Can not read TIFF directory entry.", |
| tif->tif_name); |
| return 0; |
| } |
| |
| memcpy( &entry_tag, direntry_raw + 0, sizeof(uint16) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort( &entry_tag ); |
| |
| if( entry_tag == tag ) |
| break; |
| |
| read_offset += dirsize; |
| } |
| |
| if( entry_tag != tag ) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Could not find tag %d.", |
| tif->tif_name, tag ); |
| return 0; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Extract the type, count and offset for this entry. */ |
| /* -------------------------------------------------------------------- */ |
| memcpy( &entry_type, direntry_raw + 2, sizeof(uint16) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort( &entry_type ); |
| |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32 value; |
| |
| memcpy( &value, direntry_raw + 4, sizeof(uint32) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong( &value ); |
| entry_count = value; |
| |
| memcpy( &value, direntry_raw + 8, sizeof(uint32) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong( &value ); |
| entry_offset = value; |
| } |
| else |
| { |
| memcpy( &entry_count, direntry_raw + 4, sizeof(uint64) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8( &entry_count ); |
| |
| memcpy( &entry_offset, direntry_raw + 12, sizeof(uint64) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8( &entry_offset ); |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* When a dummy tag was written due to TIFFDeferStrileArrayWriting() */ |
| /* -------------------------------------------------------------------- */ |
| if( entry_offset == 0 && entry_count == 0 && entry_type == 0 ) |
| { |
| if( tag == TIFFTAG_TILEOFFSETS || tag == TIFFTAG_STRIPOFFSETS ) |
| { |
| entry_type = (tif->tif_flags&TIFF_BIGTIFF) ? TIFF_LONG8 : TIFF_LONG; |
| } |
| else |
| { |
| int write_aslong8 = 1; |
| if( count > 1 && tag == TIFFTAG_STRIPBYTECOUNTS ) |
| { |
| write_aslong8 = WriteAsLong8(tif, TIFFStripSize64(tif)); |
| } |
| else if( count > 1 && tag == TIFFTAG_TILEBYTECOUNTS ) |
| { |
| write_aslong8 = WriteAsLong8(tif, TIFFTileSize64(tif)); |
| } |
| if( write_aslong8 ) |
| { |
| entry_type = TIFF_LONG8; |
| } |
| else |
| { |
| int write_aslong4 = 1; |
| if( count > 1 && tag == TIFFTAG_STRIPBYTECOUNTS ) |
| { |
| write_aslong4 = WriteAsLong4(tif, TIFFStripSize64(tif)); |
| } |
| else if( count > 1 && tag == TIFFTAG_TILEBYTECOUNTS ) |
| { |
| write_aslong4 = WriteAsLong4(tif, TIFFTileSize64(tif)); |
| } |
| if( write_aslong4 ) |
| { |
| entry_type = TIFF_LONG; |
| } |
| else |
| { |
| entry_type = TIFF_SHORT; |
| } |
| } |
| } |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* What data type do we want to write this as? */ |
| /* -------------------------------------------------------------------- */ |
| if( TIFFDataWidth(in_datatype) == 8 && !(tif->tif_flags&TIFF_BIGTIFF) ) |
| { |
| if( in_datatype == TIFF_LONG8 ) |
| datatype = entry_type == TIFF_SHORT ? TIFF_SHORT : TIFF_LONG; |
| else if( in_datatype == TIFF_SLONG8 ) |
| datatype = TIFF_SLONG; |
| else if( in_datatype == TIFF_IFD8 ) |
| datatype = TIFF_IFD; |
| else |
| datatype = in_datatype; |
| } |
| else |
| { |
| if( in_datatype == TIFF_LONG8 && |
| (entry_type == TIFF_SHORT || entry_type == TIFF_LONG || |
| entry_type == TIFF_LONG8 ) ) |
| datatype = entry_type; |
| else if( in_datatype == TIFF_SLONG8 && |
| (entry_type == TIFF_SLONG || entry_type == TIFF_SLONG8 ) ) |
| datatype = entry_type; |
| else if( in_datatype == TIFF_IFD8 && |
| (entry_type == TIFF_IFD || entry_type == TIFF_IFD8 ) ) |
| datatype = entry_type; |
| else |
| datatype = in_datatype; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Prepare buffer of actual data to write. This includes */ |
| /* swabbing as needed. */ |
| /* -------------------------------------------------------------------- */ |
| buf_to_write = |
| (uint8 *)_TIFFCheckMalloc(tif, count, TIFFDataWidth(datatype), |
| "for field buffer."); |
| if (!buf_to_write) |
| return 0; |
| |
| if( datatype == in_datatype ) |
| memcpy( buf_to_write, data, count * TIFFDataWidth(datatype) ); |
| else if( datatype == TIFF_SLONG && in_datatype == TIFF_SLONG8 ) |
| { |
| tmsize_t i; |
| |
| for( i = 0; i < count; i++ ) |
| { |
| ((int32 *) buf_to_write)[i] = |
| (int32) ((int64 *) data)[i]; |
| if( (int64) ((int32 *) buf_to_write)[i] != ((int64 *) data)[i] ) |
| { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Value exceeds 32bit range of output type." ); |
| return 0; |
| } |
| } |
| } |
| else if( (datatype == TIFF_LONG && in_datatype == TIFF_LONG8) |
| || (datatype == TIFF_IFD && in_datatype == TIFF_IFD8) ) |
| { |
| tmsize_t i; |
| |
| for( i = 0; i < count; i++ ) |
| { |
| ((uint32 *) buf_to_write)[i] = |
| (uint32) ((uint64 *) data)[i]; |
| if( (uint64) ((uint32 *) buf_to_write)[i] != ((uint64 *) data)[i] ) |
| { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Value exceeds 32bit range of output type." ); |
| return 0; |
| } |
| } |
| } |
| else if( datatype == TIFF_SHORT && in_datatype == TIFF_LONG8 ) |
| { |
| tmsize_t i; |
| |
| for( i = 0; i < count; i++ ) |
| { |
| ((uint16 *) buf_to_write)[i] = |
| (uint16) ((uint64 *) data)[i]; |
| if( (uint64) ((uint16 *) buf_to_write)[i] != ((uint64 *) data)[i] ) |
| { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Value exceeds 16bit range of output type." ); |
| return 0; |
| } |
| } |
| } |
| else |
| { |
| TIFFErrorExt( tif->tif_clientdata, module, |
| "Unhandled type conversion." ); |
| return 0; |
| } |
| |
| if( TIFFDataWidth(datatype) > 1 && (tif->tif_flags&TIFF_SWAB) ) |
| { |
| if( TIFFDataWidth(datatype) == 2 ) |
| TIFFSwabArrayOfShort( (uint16 *) buf_to_write, count ); |
| else if( TIFFDataWidth(datatype) == 4 ) |
| TIFFSwabArrayOfLong( (uint32 *) buf_to_write, count ); |
| else if( TIFFDataWidth(datatype) == 8 ) |
| TIFFSwabArrayOfLong8( (uint64 *) buf_to_write, count ); |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Is this a value that fits into the directory entry? */ |
| /* -------------------------------------------------------------------- */ |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| if( TIFFDataWidth(datatype) * count <= 4 ) |
| { |
| entry_offset = read_offset + 8; |
| value_in_entry = 1; |
| } |
| } |
| else |
| { |
| if( TIFFDataWidth(datatype) * count <= 8 ) |
| { |
| entry_offset = read_offset + 12; |
| value_in_entry = 1; |
| } |
| } |
| |
| if( (tag == TIFFTAG_TILEOFFSETS || tag == TIFFTAG_STRIPOFFSETS) && |
| tif->tif_dir.td_stripoffset_entry.tdir_count == 0 && |
| tif->tif_dir.td_stripoffset_entry.tdir_type == 0 && |
| tif->tif_dir.td_stripoffset_entry.tdir_offset.toff_long8 == 0 ) |
| { |
| tif->tif_dir.td_stripoffset_entry.tdir_type = datatype; |
| tif->tif_dir.td_stripoffset_entry.tdir_count = count; |
| } |
| else if( (tag == TIFFTAG_TILEBYTECOUNTS || tag == TIFFTAG_STRIPBYTECOUNTS) && |
| tif->tif_dir.td_stripbytecount_entry.tdir_count == 0 && |
| tif->tif_dir.td_stripbytecount_entry.tdir_type == 0 && |
| tif->tif_dir.td_stripbytecount_entry.tdir_offset.toff_long8 == 0 ) |
| { |
| tif->tif_dir.td_stripbytecount_entry.tdir_type = datatype; |
| tif->tif_dir.td_stripbytecount_entry.tdir_count = count; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* If the tag type, and count match, then we just write it out */ |
| /* over the old values without altering the directory entry at */ |
| /* all. */ |
| /* -------------------------------------------------------------------- */ |
| if( entry_count == (uint64)count && entry_type == (uint16) datatype ) |
| { |
| if (!SeekOK(tif, entry_offset)) { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Seek error accessing TIFF directory", |
| tif->tif_name); |
| return 0; |
| } |
| if (!WriteOK(tif, buf_to_write, count*TIFFDataWidth(datatype))) { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| |
| _TIFFfree( buf_to_write ); |
| return 1; |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Otherwise, we write the new tag data at the end of the file. */ |
| /* -------------------------------------------------------------------- */ |
| if( !value_in_entry ) |
| { |
| entry_offset = TIFFSeekFile(tif,0,SEEK_END); |
| |
| if (!WriteOK(tif, buf_to_write, count*TIFFDataWidth(datatype))) { |
| _TIFFfree( buf_to_write ); |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "Error writing directory link"); |
| return (0); |
| } |
| } |
| else |
| { |
| memcpy( &entry_offset, buf_to_write, count*TIFFDataWidth(datatype)); |
| } |
| |
| _TIFFfree( buf_to_write ); |
| buf_to_write = 0; |
| |
| /* -------------------------------------------------------------------- */ |
| /* Adjust the directory entry. */ |
| /* -------------------------------------------------------------------- */ |
| entry_type = datatype; |
| entry_count = (uint64)count; |
| memcpy( direntry_raw + 2, &entry_type, sizeof(uint16) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabShort( (uint16 *) (direntry_raw + 2) ); |
| |
| if (!(tif->tif_flags&TIFF_BIGTIFF)) |
| { |
| uint32 value; |
| |
| value = (uint32) entry_count; |
| memcpy( direntry_raw + 4, &value, sizeof(uint32) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong( (uint32 *) (direntry_raw + 4) ); |
| |
| value = (uint32) entry_offset; |
| memcpy( direntry_raw + 8, &value, sizeof(uint32) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong( (uint32 *) (direntry_raw + 8) ); |
| } |
| else |
| { |
| memcpy( direntry_raw + 4, &entry_count, sizeof(uint64) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8( (uint64 *) (direntry_raw + 4) ); |
| |
| memcpy( direntry_raw + 12, &entry_offset, sizeof(uint64) ); |
| if (tif->tif_flags&TIFF_SWAB) |
| TIFFSwabLong8( (uint64 *) (direntry_raw + 12) ); |
| } |
| |
| /* -------------------------------------------------------------------- */ |
| /* Write the directory entry out to disk. */ |
| /* -------------------------------------------------------------------- */ |
| if (!SeekOK(tif, read_offset )) { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Seek error accessing TIFF directory", |
| tif->tif_name); |
| return 0; |
| } |
| |
| if (!WriteOK(tif, direntry_raw,dirsize)) |
| { |
| TIFFErrorExt(tif->tif_clientdata, module, |
| "%s: Can not write TIFF directory entry.", |
| tif->tif_name); |
| return 0; |
| } |
| |
| return 1; |
| } |
| /* vim: set ts=8 sts=8 sw=8 noet: */ |
| /* |
| * Local Variables: |
| * mode: c |
| * c-basic-offset: 8 |
| * fill-column: 78 |
| * End: |
| */ |