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3749 lines
115 KiB
C
3749 lines
115 KiB
C
/*
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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/*
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* TIFF Library.
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*
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* Directory Write Support Routines.
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*/
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#include "tiffiop.h"
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#include <float.h> /*--: for Rational2Double */
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#include <math.h> /*--: for Rational2Double */
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#ifdef HAVE_IEEEFP
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#define TIFFCvtNativeToIEEEFloat(tif, n, fp)
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#define TIFFCvtNativeToIEEEDouble(tif, n, dp)
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#else
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extern void TIFFCvtNativeToIEEEFloat(TIFF* tif, uint32 n, float* fp);
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extern void TIFFCvtNativeToIEEEDouble(TIFF* tif, uint32 n, double* dp);
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#endif
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static int TIFFWriteDirectorySec(TIFF* tif, int isimage, int imagedone, uint64* pdiroff);
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static int TIFFWriteDirectoryTagSampleformatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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#if 0
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static int TIFFWriteDirectoryTagSampleformatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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#endif
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static int TIFFWriteDirectoryTagAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value);
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static int TIFFWriteDirectoryTagUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value);
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#endif
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static int TIFFWriteDirectoryTagByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value);
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#if 0
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static int TIFFWriteDirectoryTagBytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value);
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#endif
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#ifdef notdef
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static int TIFFWriteDirectoryTagSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value);
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#endif
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static int TIFFWriteDirectoryTagSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value);
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#if 0
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static int TIFFWriteDirectoryTagSbytePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value);
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#endif
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static int TIFFWriteDirectoryTagShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value);
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static int TIFFWriteDirectoryTagShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value);
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static int TIFFWriteDirectoryTagShortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value);
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#endif
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static int TIFFWriteDirectoryTagSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value);
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#if 0
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static int TIFFWriteDirectoryTagSshortPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value);
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#endif
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static int TIFFWriteDirectoryTagLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value);
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static int TIFFWriteDirectoryTagLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value);
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#if 0
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static int TIFFWriteDirectoryTagLongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value);
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#endif
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#ifdef notdef
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static int TIFFWriteDirectoryTagSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value);
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#endif
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static int TIFFWriteDirectoryTagSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value);
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#if 0
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static int TIFFWriteDirectoryTagSlongPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value);
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#endif
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#ifdef notdef
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static int TIFFWriteDirectoryTagLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value);
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#endif
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static int TIFFWriteDirectoryTagLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value);
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#endif
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static int TIFFWriteDirectoryTagSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value);
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static int TIFFWriteDirectoryTagRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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static int TIFFWriteDirectoryTagRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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static int TIFFWriteDirectoryTagSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value);
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#endif
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static int TIFFWriteDirectoryTagFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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#if 0
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static int TIFFWriteDirectoryTagFloatPerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value);
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#endif
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#ifdef notdef
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static int TIFFWriteDirectoryTagDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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#endif
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static int TIFFWriteDirectoryTagDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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#if 0
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static int TIFFWriteDirectoryTagDoublePerSample(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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#endif
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static int TIFFWriteDirectoryTagIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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#endif
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static int TIFFWriteDirectoryTagShortLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value);
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static int TIFFWriteDirectoryTagLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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static int TIFFWriteDirectoryTagIfdIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagShortLongLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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#endif
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static int TIFFWriteDirectoryTagColormap(TIFF* tif, uint32* ndir, TIFFDirEntry* dir);
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static int TIFFWriteDirectoryTagTransferfunction(TIFF* tif, uint32* ndir, TIFFDirEntry* dir);
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static int TIFFWriteDirectoryTagSubifd(TIFF* tif, uint32* ndir, TIFFDirEntry* dir);
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static int TIFFWriteDirectoryTagCheckedAscii(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, char* value);
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static int TIFFWriteDirectoryTagCheckedUndefinedArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedByte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint8 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedByteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint8* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedSbyte(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int8 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedSbyteArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int8* value);
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static int TIFFWriteDirectoryTagCheckedShort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 value);
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static int TIFFWriteDirectoryTagCheckedShortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint16* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedSshort(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int16 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedSshortArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int16* value);
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static int TIFFWriteDirectoryTagCheckedLong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 value);
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static int TIFFWriteDirectoryTagCheckedLongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedSlong(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int32 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedSlongArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int32* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedLong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint64 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedLong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedSlong8(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, int64 value);
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#endif
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static int TIFFWriteDirectoryTagCheckedSlong8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, int64* value);
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static int TIFFWriteDirectoryTagCheckedRational(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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static int TIFFWriteDirectoryTagCheckedRationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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static int TIFFWriteDirectoryTagCheckedSrationalArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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/*--: Rational2Double: New functions to support true double-precision for custom rational tag types. */
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static int TIFFWriteDirectoryTagRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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static int TIFFWriteDirectoryTagSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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static int TIFFWriteDirectoryTagCheckedRationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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static int TIFFWriteDirectoryTagCheckedSrationalDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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static void DoubleToRational(double value, uint32 *num, uint32 *denom);
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static void DoubleToSrational(double value, int32 *num, int32 *denom);
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#if 0
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static void DoubleToRational_direct(double value, unsigned long *num, unsigned long *denom);
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static void DoubleToSrational_direct(double value, long *num, long *denom);
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#endif
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedFloat(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, float value);
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#endif
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static int TIFFWriteDirectoryTagCheckedFloatArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, float* value);
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#ifdef notdef
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static int TIFFWriteDirectoryTagCheckedDouble(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, double value);
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#endif
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static int TIFFWriteDirectoryTagCheckedDoubleArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, double* value);
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static int TIFFWriteDirectoryTagCheckedIfdArray(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint32* value);
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static int TIFFWriteDirectoryTagCheckedIfd8Array(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint32 count, uint64* value);
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static int TIFFWriteDirectoryTagData(TIFF* tif, uint32* ndir, TIFFDirEntry* dir, uint16 tag, uint16 datatype, uint32 count, uint32 datalength, void* data);
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static int TIFFLinkDirectory(TIFF*);
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/*
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* Write the contents of the current directory
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* to the specified file. This routine doesn't
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* handle overwriting a directory with auxiliary
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* storage that's been changed.
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*/
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int
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TIFFWriteDirectory(TIFF* tif)
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{
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return TIFFWriteDirectorySec(tif,TRUE,TRUE,NULL);
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}
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/*
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* This is an advanced writing function that must be used in a particular
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* sequence, and generally together with TIFFForceStrileArrayWriting(),
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* to make its intended effect. Its aim is to modify the location
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* where the [Strip/Tile][Offsets/ByteCounts] arrays are located in the file.
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* More precisely, when TIFFWriteCheck() will be called, the tag entries for
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* those arrays will be written with type = count = offset = 0 as a temporary
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* value.
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*
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* Its effect is only valid for the current directory, and before
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* TIFFWriteDirectory() is first called, and will be reset when
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* changing directory.
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*
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* The typical sequence of calls is:
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* TIFFOpen()
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* [ TIFFCreateDirectory(tif) ]
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* Set fields with calls to TIFFSetField(tif, ...)
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* TIFFDeferStrileArrayWriting(tif)
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* TIFFWriteCheck(tif, ...)
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* TIFFWriteDirectory(tif)
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* ... potentially create other directories and come back to the above directory
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* TIFFForceStrileArrayWriting(tif): emit the arrays at the end of file
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*
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* Returns 1 in case of success, 0 otherwise.
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*/
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int TIFFDeferStrileArrayWriting(TIFF* tif)
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{
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static const char module[] = "TIFFDeferStrileArrayWriting";
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if (tif->tif_mode == O_RDONLY)
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{
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TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
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"File opened in read-only mode");
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return 0;
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}
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if( tif->tif_diroff != 0 )
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{
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TIFFErrorExt(tif->tif_clientdata, module,
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"Directory has already been written");
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return 0;
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}
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tif->tif_dir.td_deferstrilearraywriting = TRUE;
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return 1;
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}
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/*
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* Similar to TIFFWriteDirectory(), writes the directory out
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* but leaves all data structures in memory so that it can be
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* written again. This will make a partially written TIFF file
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* readable before it is successfully completed/closed.
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*/
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int
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TIFFCheckpointDirectory(TIFF* tif)
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{
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int rc;
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/* Setup the strips arrays, if they haven't already been. */
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if (tif->tif_dir.td_stripoffset_p == NULL)
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(void) TIFFSetupStrips(tif);
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rc = TIFFWriteDirectorySec(tif,TRUE,FALSE,NULL);
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(void) TIFFSetWriteOffset(tif, TIFFSeekFile(tif, 0, SEEK_END));
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return rc;
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}
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int
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TIFFWriteCustomDirectory(TIFF* tif, uint64* pdiroff)
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{
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return TIFFWriteDirectorySec(tif,FALSE,FALSE,pdiroff);
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}
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/*
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* Similar to TIFFWriteDirectory(), but if the directory has already
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* been written once, it is relocated to the end of the file, in case it
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* has changed in size. Note that this will result in the loss of the
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* previously used directory space.
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*/
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int
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TIFFRewriteDirectory( TIFF *tif )
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{
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static const char module[] = "TIFFRewriteDirectory";
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/* We don't need to do anything special if it hasn't been written. */
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if( tif->tif_diroff == 0 )
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return TIFFWriteDirectory( tif );
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/*
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* Find and zero the pointer to this directory, so that TIFFLinkDirectory
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* will cause it to be added after this directories current pre-link.
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*/
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if (!(tif->tif_flags&TIFF_BIGTIFF))
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{
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if (tif->tif_header.classic.tiff_diroff == tif->tif_diroff)
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{
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tif->tif_header.classic.tiff_diroff = 0;
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tif->tif_diroff = 0;
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TIFFSeekFile(tif,4,SEEK_SET);
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if (!WriteOK(tif, &(tif->tif_header.classic.tiff_diroff),4))
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{
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TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
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"Error updating TIFF header");
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return (0);
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}
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}
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else
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{
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uint32 nextdir;
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nextdir = tif->tif_header.classic.tiff_diroff;
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while(1) {
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uint16 dircount;
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uint32 nextnextdir;
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if (!SeekOK(tif, nextdir) ||
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!ReadOK(tif, &dircount, 2)) {
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TIFFErrorExt(tif->tif_clientdata, module,
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"Error fetching directory count");
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return (0);
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}
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if (tif->tif_flags & TIFF_SWAB)
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TIFFSwabShort(&dircount);
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(void) TIFFSeekFile(tif,
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nextdir+2+dircount*12, SEEK_SET);
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if (!ReadOK(tif, &nextnextdir, 4)) {
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TIFFErrorExt(tif->tif_clientdata, module,
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"Error fetching directory link");
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return (0);
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}
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if (tif->tif_flags & TIFF_SWAB)
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TIFFSwabLong(&nextnextdir);
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if (nextnextdir==tif->tif_diroff)
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{
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uint32 m;
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m=0;
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(void) TIFFSeekFile(tif,
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nextdir+2+dircount*12, SEEK_SET);
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if (!WriteOK(tif, &m, 4)) {
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TIFFErrorExt(tif->tif_clientdata, module,
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"Error writing directory link");
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return (0);
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}
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tif->tif_diroff=0;
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break;
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}
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nextdir=nextnextdir;
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}
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}
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}
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else
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{
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if (tif->tif_header.big.tiff_diroff == tif->tif_diroff)
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{
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tif->tif_header.big.tiff_diroff = 0;
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tif->tif_diroff = 0;
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TIFFSeekFile(tif,8,SEEK_SET);
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if (!WriteOK(tif, &(tif->tif_header.big.tiff_diroff),8))
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{
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TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
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"Error updating TIFF header");
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return (0);
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}
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}
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else
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{
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uint64 nextdir;
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nextdir = tif->tif_header.big.tiff_diroff;
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while(1) {
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uint64 dircount64;
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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:
|
|
*/
|