--- /dev/null
+/* $Header$ */
+
+/*
+ * Copyright (c) 1988-1997 Sam Leffler
+ * Copyright (c) 1991-1997 Silicon Graphics, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that (i) the above copyright notices and this permission notice appear in
+ * all copies of the software and related documentation, and (ii) the names of
+ * Sam Leffler and Silicon Graphics may not be used in any advertising or
+ * publicity relating to the software without the specific, prior written
+ * permission of Sam Leffler and Silicon Graphics.
+ *
+ * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+ * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+ * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+ * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+ * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+ * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+ * OF THIS SOFTWARE.
+ */
+
+/*
+ * TIFF Library.
+ *
+ * Core Directory Tag Support.
+ */
+#include "tiffiop.h"
+#include <stdlib.h>
+
+/*
+ * NB: NB: THIS ARRAY IS ASSUMED TO BE SORTED BY TAG.
+ * If a tag can have both LONG and SHORT types
+ * then the LONG must be placed before the SHORT for
+ * writing to work properly.
+ */
+static const TIFFFieldInfo tiffFieldInfo[] = {
+ { TIFFTAG_SUBFILETYPE, 1, 1, TIFF_LONG, FIELD_SUBFILETYPE,
+ TRUE, FALSE, "SubfileType" },
+/* XXX SHORT for compatibility w/ old versions of the library */
+ { TIFFTAG_SUBFILETYPE, 1, 1, TIFF_SHORT, FIELD_SUBFILETYPE,
+ TRUE, FALSE, "SubfileType" },
+ { TIFFTAG_OSUBFILETYPE, 1, 1, TIFF_SHORT, FIELD_SUBFILETYPE,
+ TRUE, FALSE, "OldSubfileType" },
+ { TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_LONG, FIELD_IMAGEDIMENSIONS,
+ FALSE, FALSE, "ImageWidth" },
+ { TIFFTAG_IMAGEWIDTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDIMENSIONS,
+ FALSE, FALSE, "ImageWidth" },
+ { TIFFTAG_IMAGELENGTH, 1, 1, TIFF_LONG, FIELD_IMAGEDIMENSIONS,
+ TRUE, FALSE, "ImageLength" },
+ { TIFFTAG_IMAGELENGTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDIMENSIONS,
+ TRUE, FALSE, "ImageLength" },
+ { TIFFTAG_BITSPERSAMPLE, -1,-1, TIFF_SHORT, FIELD_BITSPERSAMPLE,
+ FALSE, FALSE, "BitsPerSample" },
+ { TIFFTAG_COMPRESSION, -1, 1, TIFF_SHORT, FIELD_COMPRESSION,
+ FALSE, FALSE, "Compression" },
+ { TIFFTAG_PHOTOMETRIC, 1, 1, TIFF_SHORT, FIELD_PHOTOMETRIC,
+ FALSE, FALSE, "PhotometricInterpretation" },
+ { TIFFTAG_THRESHHOLDING, 1, 1, TIFF_SHORT, FIELD_THRESHHOLDING,
+ TRUE, FALSE, "Threshholding" },
+ { TIFFTAG_CELLWIDTH, 1, 1, TIFF_SHORT, FIELD_IGNORE,
+ TRUE, FALSE, "CellWidth" },
+ { TIFFTAG_CELLLENGTH, 1, 1, TIFF_SHORT, FIELD_IGNORE,
+ TRUE, FALSE, "CellLength" },
+ { TIFFTAG_FILLORDER, 1, 1, TIFF_SHORT, FIELD_FILLORDER,
+ FALSE, FALSE, "FillOrder" },
+ { TIFFTAG_DOCUMENTNAME, -1,-1, TIFF_ASCII, FIELD_DOCUMENTNAME,
+ TRUE, FALSE, "DocumentName" },
+ { TIFFTAG_IMAGEDESCRIPTION, -1,-1, TIFF_ASCII, FIELD_IMAGEDESCRIPTION,
+ TRUE, FALSE, "ImageDescription" },
+ { TIFFTAG_MAKE, -1,-1, TIFF_ASCII, FIELD_MAKE,
+ TRUE, FALSE, "Make" },
+ { TIFFTAG_MODEL, -1,-1, TIFF_ASCII, FIELD_MODEL,
+ TRUE, FALSE, "Model" },
+ { TIFFTAG_STRIPOFFSETS, -1,-1, TIFF_LONG, FIELD_STRIPOFFSETS,
+ FALSE, FALSE, "StripOffsets" },
+ { TIFFTAG_STRIPOFFSETS, -1,-1, TIFF_SHORT, FIELD_STRIPOFFSETS,
+ FALSE, FALSE, "StripOffsets" },
+ { TIFFTAG_ORIENTATION, 1, 1, TIFF_SHORT, FIELD_ORIENTATION,
+ FALSE, FALSE, "Orientation" },
+ { TIFFTAG_SAMPLESPERPIXEL, 1, 1, TIFF_SHORT, FIELD_SAMPLESPERPIXEL,
+ FALSE, FALSE, "SamplesPerPixel" },
+ { TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_LONG, FIELD_ROWSPERSTRIP,
+ FALSE, FALSE, "RowsPerStrip" },
+ { TIFFTAG_ROWSPERSTRIP, 1, 1, TIFF_SHORT, FIELD_ROWSPERSTRIP,
+ FALSE, FALSE, "RowsPerStrip" },
+ { TIFFTAG_STRIPBYTECOUNTS, -1,-1, TIFF_LONG, FIELD_STRIPBYTECOUNTS,
+ FALSE, FALSE, "StripByteCounts" },
+ { TIFFTAG_STRIPBYTECOUNTS, -1,-1, TIFF_SHORT, FIELD_STRIPBYTECOUNTS,
+ FALSE, FALSE, "StripByteCounts" },
+ { TIFFTAG_MINSAMPLEVALUE, -2,-1, TIFF_SHORT, FIELD_MINSAMPLEVALUE,
+ TRUE, FALSE, "MinSampleValue" },
+ { TIFFTAG_MAXSAMPLEVALUE, -2,-1, TIFF_SHORT, FIELD_MAXSAMPLEVALUE,
+ TRUE, FALSE, "MaxSampleValue" },
+ { TIFFTAG_XRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_RESOLUTION,
+ FALSE, FALSE, "XResolution" },
+ { TIFFTAG_YRESOLUTION, 1, 1, TIFF_RATIONAL, FIELD_RESOLUTION,
+ FALSE, FALSE, "YResolution" },
+ { TIFFTAG_PLANARCONFIG, 1, 1, TIFF_SHORT, FIELD_PLANARCONFIG,
+ FALSE, FALSE, "PlanarConfiguration" },
+ { TIFFTAG_PAGENAME, -1,-1, TIFF_ASCII, FIELD_PAGENAME,
+ TRUE, FALSE, "PageName" },
+ { TIFFTAG_XPOSITION, 1, 1, TIFF_RATIONAL, FIELD_POSITION,
+ TRUE, FALSE, "XPosition" },
+ { TIFFTAG_YPOSITION, 1, 1, TIFF_RATIONAL, FIELD_POSITION,
+ TRUE, FALSE, "YPosition" },
+ { TIFFTAG_FREEOFFSETS, -1,-1, TIFF_LONG, FIELD_IGNORE,
+ FALSE, FALSE, "FreeOffsets" },
+ { TIFFTAG_FREEBYTECOUNTS, -1,-1, TIFF_LONG, FIELD_IGNORE,
+ FALSE, FALSE, "FreeByteCounts" },
+ { TIFFTAG_GRAYRESPONSEUNIT, 1, 1, TIFF_SHORT, FIELD_IGNORE,
+ TRUE, FALSE, "GrayResponseUnit" },
+ { TIFFTAG_GRAYRESPONSECURVE,-1,-1, TIFF_SHORT, FIELD_IGNORE,
+ TRUE, FALSE, "GrayResponseCurve" },
+ { TIFFTAG_RESOLUTIONUNIT, 1, 1, TIFF_SHORT, FIELD_RESOLUTIONUNIT,
+ FALSE, FALSE, "ResolutionUnit" },
+ { TIFFTAG_PAGENUMBER, 2, 2, TIFF_SHORT, FIELD_PAGENUMBER,
+ TRUE, FALSE, "PageNumber" },
+ { TIFFTAG_COLORRESPONSEUNIT, 1, 1, TIFF_SHORT, FIELD_IGNORE,
+ TRUE, FALSE, "ColorResponseUnit" },
+#ifdef COLORIMETRY_SUPPORT
+ { TIFFTAG_TRANSFERFUNCTION, -1,-1, TIFF_SHORT, FIELD_TRANSFERFUNCTION,
+ TRUE, FALSE, "TransferFunction" },
+#endif
+ { TIFFTAG_SOFTWARE, -1,-1, TIFF_ASCII, FIELD_SOFTWARE,
+ TRUE, FALSE, "Software" },
+ { TIFFTAG_DATETIME, 20,20, TIFF_ASCII, FIELD_DATETIME,
+ TRUE, FALSE, "DateTime" },
+ { TIFFTAG_ARTIST, -1,-1, TIFF_ASCII, FIELD_ARTIST,
+ TRUE, FALSE, "Artist" },
+ { TIFFTAG_HOSTCOMPUTER, -1,-1, TIFF_ASCII, FIELD_HOSTCOMPUTER,
+ TRUE, FALSE, "HostComputer" },
+#ifdef COLORIMETRY_SUPPORT
+ { TIFFTAG_WHITEPOINT, 2, 2, TIFF_RATIONAL,FIELD_WHITEPOINT,
+ TRUE, FALSE, "WhitePoint" },
+ { TIFFTAG_PRIMARYCHROMATICITIES,6,6,TIFF_RATIONAL,FIELD_PRIMARYCHROMAS,
+ TRUE, FALSE, "PrimaryChromaticities" },
+#endif
+ { TIFFTAG_COLORMAP, -1,-1, TIFF_SHORT, FIELD_COLORMAP,
+ TRUE, FALSE, "ColorMap" },
+ { TIFFTAG_HALFTONEHINTS, 2, 2, TIFF_SHORT, FIELD_HALFTONEHINTS,
+ TRUE, FALSE, "HalftoneHints" },
+ { TIFFTAG_TILEWIDTH, 1, 1, TIFF_LONG, FIELD_TILEDIMENSIONS,
+ FALSE, FALSE, "TileWidth" },
+ { TIFFTAG_TILEWIDTH, 1, 1, TIFF_SHORT, FIELD_TILEDIMENSIONS,
+ FALSE, FALSE, "TileWidth" },
+ { TIFFTAG_TILELENGTH, 1, 1, TIFF_LONG, FIELD_TILEDIMENSIONS,
+ FALSE, FALSE, "TileLength" },
+ { TIFFTAG_TILELENGTH, 1, 1, TIFF_SHORT, FIELD_TILEDIMENSIONS,
+ FALSE, FALSE, "TileLength" },
+ { TIFFTAG_TILEOFFSETS, -1, 1, TIFF_LONG, FIELD_STRIPOFFSETS,
+ FALSE, FALSE, "TileOffsets" },
+ { TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_LONG, FIELD_STRIPBYTECOUNTS,
+ FALSE, FALSE, "TileByteCounts" },
+ { TIFFTAG_TILEBYTECOUNTS, -1, 1, TIFF_SHORT, FIELD_STRIPBYTECOUNTS,
+ FALSE, FALSE, "TileByteCounts" },
+#ifdef TIFFTAG_SUBIFD
+ { TIFFTAG_SUBIFD, -1,-1, TIFF_LONG, FIELD_SUBIFD,
+ TRUE, TRUE, "SubIFD" },
+#endif
+#ifdef CMYK_SUPPORT /* 6.0 CMYK tags */
+ { TIFFTAG_INKSET, 1, 1, TIFF_SHORT, FIELD_INKSET,
+ FALSE, FALSE, "InkSet" },
+ { TIFFTAG_INKNAMES, -1,-1, TIFF_ASCII, FIELD_INKNAMES,
+ TRUE, TRUE, "InkNames" },
+ { TIFFTAG_NUMBEROFINKS, 1, 1, TIFF_SHORT, FIELD_NUMBEROFINKS,
+ TRUE, FALSE, "NumberOfInks" },
+ { TIFFTAG_DOTRANGE, 2, 2, TIFF_SHORT, FIELD_DOTRANGE,
+ FALSE, FALSE, "DotRange" },
+ { TIFFTAG_DOTRANGE, 2, 2, TIFF_BYTE, FIELD_DOTRANGE,
+ FALSE, FALSE, "DotRange" },
+ { TIFFTAG_TARGETPRINTER, -1,-1, TIFF_ASCII, FIELD_TARGETPRINTER,
+ TRUE, FALSE, "TargetPrinter" },
+#endif
+ { TIFFTAG_EXTRASAMPLES, -1,-1, TIFF_SHORT, FIELD_EXTRASAMPLES,
+ FALSE, FALSE, "ExtraSamples" },
+/* XXX for bogus Adobe Photoshop v2.5 files */
+ { TIFFTAG_EXTRASAMPLES, -1,-1, TIFF_BYTE, FIELD_EXTRASAMPLES,
+ FALSE, FALSE, "ExtraSamples" },
+ { TIFFTAG_SAMPLEFORMAT, -1,-1, TIFF_SHORT, FIELD_SAMPLEFORMAT,
+ FALSE, FALSE, "SampleFormat" },
+ { TIFFTAG_SMINSAMPLEVALUE, -2,-1, TIFF_ANY, FIELD_SMINSAMPLEVALUE,
+ TRUE, FALSE, "SMinSampleValue" },
+ { TIFFTAG_SMAXSAMPLEVALUE, -2,-1, TIFF_ANY, FIELD_SMAXSAMPLEVALUE,
+ TRUE, FALSE, "SMaxSampleValue" },
+#ifdef YCBCR_SUPPORT /* 6.0 YCbCr tags */
+ { TIFFTAG_YCBCRCOEFFICIENTS, 3, 3, TIFF_RATIONAL, FIELD_YCBCRCOEFFICIENTS,
+ FALSE, FALSE, "YCbCrCoefficients" },
+ { TIFFTAG_YCBCRSUBSAMPLING, 2, 2, TIFF_SHORT, FIELD_YCBCRSUBSAMPLING,
+ FALSE, FALSE, "YCbCrSubsampling" },
+ { TIFFTAG_YCBCRPOSITIONING, 1, 1, TIFF_SHORT, FIELD_YCBCRPOSITIONING,
+ FALSE, FALSE, "YCbCrPositioning" },
+#endif
+#ifdef COLORIMETRY_SUPPORT
+ { TIFFTAG_REFERENCEBLACKWHITE,6,6,TIFF_RATIONAL, FIELD_REFBLACKWHITE,
+ TRUE, FALSE, "ReferenceBlackWhite" },
+/* XXX temporarily accept LONG for backwards compatibility */
+ { TIFFTAG_REFERENCEBLACKWHITE,6,6,TIFF_LONG, FIELD_REFBLACKWHITE,
+ TRUE, FALSE, "ReferenceBlackWhite" },
+#endif
+/* begin SGI tags */
+ { TIFFTAG_MATTEING, 1, 1, TIFF_SHORT, FIELD_EXTRASAMPLES,
+ FALSE, FALSE, "Matteing" },
+ { TIFFTAG_DATATYPE, -2,-1, TIFF_SHORT, FIELD_SAMPLEFORMAT,
+ FALSE, FALSE, "DataType" },
+ { TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_LONG, FIELD_IMAGEDEPTH,
+ FALSE, FALSE, "ImageDepth" },
+ { TIFFTAG_IMAGEDEPTH, 1, 1, TIFF_SHORT, FIELD_IMAGEDEPTH,
+ FALSE, FALSE, "ImageDepth" },
+ { TIFFTAG_TILEDEPTH, 1, 1, TIFF_LONG, FIELD_TILEDEPTH,
+ FALSE, FALSE, "TileDepth" },
+ { TIFFTAG_TILEDEPTH, 1, 1, TIFF_SHORT, FIELD_TILEDEPTH,
+ FALSE, FALSE, "TileDepth" },
+/* end SGI tags */
+#ifdef IPTC_SUPPORT
+#ifdef PHOTOSHOP_SUPPORT
+ { TIFFTAG_RICHTIFFIPTC, -1,-1, TIFF_LONG, FIELD_RICHTIFFIPTC,
+ FALSE, TRUE, "RichTIFFIPTC" },
+#else
+ { TIFFTAG_RICHTIFFIPTC, -1,-3, TIFF_UNDEFINED, FIELD_RICHTIFFIPTC,
+ FALSE, TRUE, "RichTIFFIPTC" },
+#endif
+#endif
+#ifdef PHOTOSHOP_SUPPORT
+ { TIFFTAG_PHOTOSHOP, -1,-3, TIFF_UNDEFINED, FIELD_PHOTOSHOP,
+ FALSE, TRUE, "Photoshop" },
+ { TIFFTAG_PHOTOSHOP, -1,-1, TIFF_BYTE, FIELD_PHOTOSHOP,
+ FALSE, TRUE, "Photoshop" },
+#endif
+#ifdef ICC_SUPPORT
+ { TIFFTAG_ICCPROFILE, -1,-3, TIFF_UNDEFINED, FIELD_ICCPROFILE,
+ FALSE, TRUE, "ICC Profile" },
+#endif
+ { TIFFTAG_STONITS, 1, 1, TIFF_DOUBLE, FIELD_STONITS,
+ FALSE, FALSE, "StoNits" },
+};
+#define N(a) (sizeof (a) / sizeof (a[0]))
+
+void
+_TIFFSetupFieldInfo(TIFF* tif)
+{
+ if (tif->tif_fieldinfo) {
+ _TIFFfree(tif->tif_fieldinfo);
+ tif->tif_nfields = 0;
+ }
+ _TIFFMergeFieldInfo(tif, tiffFieldInfo, N(tiffFieldInfo));
+}
+
+static int
+tagCompare(const void* a, const void* b)
+{
+ const TIFFFieldInfo* ta = *(const TIFFFieldInfo**) a;
+ const TIFFFieldInfo* tb = *(const TIFFFieldInfo**) b;
+ /* NB: be careful of return values for 16-bit platforms */
+ if (ta->field_tag != tb->field_tag)
+ return (ta->field_tag < tb->field_tag ? -1 : 1);
+ else
+ return (tb->field_type < ta->field_type ? -1 : 1);
+}
+
+void
+_TIFFMergeFieldInfo(TIFF* tif, const TIFFFieldInfo info[], int n)
+{
+ TIFFFieldInfo** tp;
+ int i;
+
+ if (tif->tif_nfields > 0) {
+ tif->tif_fieldinfo = (TIFFFieldInfo**)
+ _TIFFrealloc(tif->tif_fieldinfo,
+ (tif->tif_nfields+n) * sizeof (TIFFFieldInfo*));
+ } else {
+ tif->tif_fieldinfo = (TIFFFieldInfo**)
+ _TIFFmalloc(n * sizeof (TIFFFieldInfo*));
+ }
+ tp = &tif->tif_fieldinfo[tif->tif_nfields];
+ for (i = 0; i < n; i++)
+ tp[i] = (TIFFFieldInfo*) &info[i]; /* XXX */
+ /*
+ * NB: the core tags are presumed sorted correctly.
+ */
+ if (tif->tif_nfields > 0)
+ qsort(tif->tif_fieldinfo, (size_t) (tif->tif_nfields += n),
+ sizeof (TIFFFieldInfo*), tagCompare);
+ else
+ tif->tif_nfields += n;
+}
+
+void
+_TIFFPrintFieldInfo(TIFF* tif, FILE* fd)
+{
+ int i;
+
+ fprintf(fd, "%s: \n", tif->tif_name);
+ for (i = 0; i < tif->tif_nfields; i++) {
+ const TIFFFieldInfo* fip = tif->tif_fieldinfo[i];
+ fprintf(fd, "field[%2d] %5lu, %2d, %2d, %d, %2d, %5s, %5s, %s\n"
+ , i
+ , (unsigned long) fip->field_tag
+ , fip->field_readcount, fip->field_writecount
+ , fip->field_type
+ , fip->field_bit
+ , fip->field_oktochange ? "TRUE" : "FALSE"
+ , fip->field_passcount ? "TRUE" : "FALSE"
+ , fip->field_name
+ );
+ }
+}
+
+const int tiffDataWidth[] = {
+ 1, /* nothing */
+ 1, /* TIFF_BYTE */
+ 1, /* TIFF_ASCII */
+ 2, /* TIFF_SHORT */
+ 4, /* TIFF_LONG */
+ 8, /* TIFF_RATIONAL */
+ 1, /* TIFF_SBYTE */
+ 1, /* TIFF_UNDEFINED */
+ 2, /* TIFF_SSHORT */
+ 4, /* TIFF_SLONG */
+ 8, /* TIFF_SRATIONAL */
+ 4, /* TIFF_FLOAT */
+ 8, /* TIFF_DOUBLE */
+};
+
+/*
+ * Return nearest TIFFDataType to the sample type of an image.
+ */
+TIFFDataType
+_TIFFSampleToTagType(TIFF* tif)
+{
+ int bps = (int) TIFFhowmany(tif->tif_dir.td_bitspersample, 8);
+
+ switch (tif->tif_dir.td_sampleformat) {
+ case SAMPLEFORMAT_IEEEFP:
+ return (bps == 4 ? TIFF_FLOAT : TIFF_DOUBLE);
+ case SAMPLEFORMAT_INT:
+ return (bps <= 1 ? TIFF_SBYTE :
+ bps <= 2 ? TIFF_SSHORT : TIFF_SLONG);
+ case SAMPLEFORMAT_UINT:
+ return (bps <= 1 ? TIFF_BYTE :
+ bps <= 2 ? TIFF_SHORT : TIFF_LONG);
+ case SAMPLEFORMAT_VOID:
+ return (TIFF_UNDEFINED);
+ }
+ /*NOTREACHED*/
+ return (TIFF_UNDEFINED);
+}
+
+const TIFFFieldInfo*
+_TIFFFindFieldInfo(TIFF* tif, ttag_t tag, TIFFDataType dt)
+{
+ static const TIFFFieldInfo *last = NULL;
+ int i, n;
+
+ if (last && last->field_tag == tag &&
+ (dt == TIFF_ANY || dt == last->field_type))
+ return (last);
+ /* NB: if table gets big, use sorted search (e.g. binary search) */
+ for (i = 0, n = tif->tif_nfields; i < n; i++) {
+ const TIFFFieldInfo* fip = tif->tif_fieldinfo[i];
+ if (fip->field_tag == tag &&
+ (dt == TIFF_ANY || fip->field_type == dt))
+ return (last = fip);
+ }
+ return ((const TIFFFieldInfo *)0);
+}
+
+#include <assert.h>
+#include <stdio.h>
+
+const TIFFFieldInfo*
+_TIFFFieldWithTag(TIFF* tif, ttag_t tag)
+{
+ const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY);
+ if (!fip) {
+ TIFFError("TIFFFieldWithTag",
+ "Internal error, unknown tag 0x%x", (u_int) tag);
+ assert(fip != NULL);
+ /*NOTREACHED*/
+ }
+ return (fip);
+}
projects / wxWidgets.git / blobdiff