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|
/*============================================================================
tiff.c
==============================================================================
Stuff specific to the TIFF format -- essentially and extension to libtiff.
============================================================================*/
#define _BSD_SOURCE /* Make sure strcaseeq() is in nstring.h */
#include <string.h>
#ifdef VMS
#ifdef SYSV
#undef SYSV
#endif
#include <tiffioP.h>
#endif
#include <tiffio.h>
#include "pm_c_util.h"
#include "nstring.h"
#include "mallocvar.h"
#include "pm.h"
#include "pm_tiff.h"
static uint32
number(const char * const value,
tagvalmap const tagvallist[]) {
char * ep;
long num;
if (strlen(value) == 0)
pm_error("null string where numeric tag value or enumerated tag "
"value name expected");
num = strtol(value, &ep, 10);
if (*ep != '\0') {
/* It's not a numeric string, so it must be an enumerated value name */
unsigned int i;
for (i = 0; tagvallist[i].name; ++i) {
if (strcaseeq(value, tagvallist[i].name))
return tagvallist[i].value;
}
pm_error("'%s' is neither a number nor a valid value name", value);
return 0; /* avoid compiler warning */
} else
return num;
}
static double
dnumber(const char * const value) {
char * ep;
double num;
num = strtod(value, &ep);
if (ep == value || *ep != '\0')
pm_error("Bad floating point number %s", value);
return num;
}
#if 0
static void
putByte(TIFF * const tifP,
unsigned int const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
uint16 const num = number(value, tagvallist);
TIFFSetField(tifP, tagnum, num);
}
#endif
static void
putAscii(TIFF * const tifP,
unsigned int const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
TIFFSetField(tifP, tagnum, value);
}
static void
putShort(TIFF * const tifP,
unsigned const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
uint16 const num = number(value, tagvallist);
TIFFSetField(tifP, tagnum, num);
}
static void
putLong(TIFF * const tifP,
unsigned int const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
uint32 const num = number(value, tagvallist);
TIFFSetField(tifP, tagnum, num);
}
static void
putRational(TIFF * const tifP,
unsigned const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
float const num = dnumber(value);
TIFFSetField(tifP, tagnum, num);
}
static void
putCountBytes(TIFF * const tifP,
unsigned const tagnum,
const char * const value,
tagvalmap const tagvallist[]) {
uint32 const len = strlen(value)/2;
char * data;
uint32 i;
bool error;
MALLOCARRAY_NOFAIL(data, len);
for (i = 0, error = FALSE; !error && i < len; ++i) {
unsigned int val;
int nb;
int rc;
rc = sscanf(&value[i*2], "%2x%n", &val, &nb);
if (rc != 1 || nb != 2)
error = TRUE;
else
data[i] = val;
}
if (!error)
TIFFSetField(tifP, tagnum, len, (void *)data);
free(data);
}
#define TV(p,a) { #a, p##a, }
static tagvalmap const
tvm_compression[] = {
TV(COMPRESSION_,NONE),
TV(COMPRESSION_,CCITTRLE),
TV(COMPRESSION_,CCITTFAX3),
TV(COMPRESSION_,CCITTFAX4),
TV(COMPRESSION_,LZW),
TV(COMPRESSION_,OJPEG),
TV(COMPRESSION_,JPEG),
TV(COMPRESSION_,NEXT),
TV(COMPRESSION_,CCITTRLEW),
TV(COMPRESSION_,PACKBITS),
TV(COMPRESSION_,THUNDERSCAN),
TV(COMPRESSION_,IT8CTPAD),
TV(COMPRESSION_,IT8LW),
TV(COMPRESSION_,IT8MP),
TV(COMPRESSION_,IT8BL),
TV(COMPRESSION_,PIXARFILM),
TV(COMPRESSION_,PIXARLOG),
TV(COMPRESSION_,DEFLATE),
TV(COMPRESSION_,ADOBE_DEFLATE),
TV(COMPRESSION_,DCS),
TV(COMPRESSION_,JBIG),
TV(COMPRESSION_,SGILOG),
TV(COMPRESSION_,SGILOG24),
{ NULL, 0, },
};
static tagvalmap const
tvm_faxmode[] = {
TV(FAXMODE_,CLASSIC),
TV(FAXMODE_,NORTC),
TV(FAXMODE_,NOEOL),
TV(FAXMODE_,BYTEALIGN),
TV(FAXMODE_,WORDALIGN),
TV(FAXMODE_,CLASSF),
{ NULL, 0, },
};
static tagvalmap const
tvm_fillorder[] = {
TV(FILLORDER_,MSB2LSB),
TV(FILLORDER_,LSB2MSB),
{ NULL, 0, },
};
static tagvalmap
const tvm_group3options[] = {
TV(GROUP3OPT_,2DENCODING),
TV(GROUP3OPT_,UNCOMPRESSED),
TV(GROUP3OPT_,FILLBITS),
{ NULL, 0, },
};
static tagvalmap
const tvm_group4options[] = {
TV(GROUP4OPT_,UNCOMPRESSED),
{ NULL, 0, },
};
static tagvalmap
const tvm_inkset[] = {
TV(INKSET_,CMYK),
{ NULL, 0, },
};
static tagvalmap
const tvm_orientation[] = {
TV(ORIENTATION_,TOPLEFT),
TV(ORIENTATION_,TOPRIGHT),
TV(ORIENTATION_,BOTRIGHT),
TV(ORIENTATION_,BOTLEFT),
TV(ORIENTATION_,LEFTTOP),
TV(ORIENTATION_,RIGHTTOP),
TV(ORIENTATION_,RIGHTBOT),
TV(ORIENTATION_,LEFTBOT),
{ NULL, 0, },
};
static tagvalmap const
tvm_photometric[] = {
TV(PHOTOMETRIC_,MINISWHITE),
TV(PHOTOMETRIC_,MINISBLACK),
TV(PHOTOMETRIC_,RGB),
TV(PHOTOMETRIC_,PALETTE),
TV(PHOTOMETRIC_,MASK),
TV(PHOTOMETRIC_,SEPARATED),
TV(PHOTOMETRIC_,YCBCR),
TV(PHOTOMETRIC_,CIELAB),
TV(PHOTOMETRIC_,LOGL),
TV(PHOTOMETRIC_,LOGLUV),
{ NULL, 0, },
};
static tagvalmap const
tvm_planarconfig[] = {
TV(PLANARCONFIG_,CONTIG),
TV(PLANARCONFIG_,SEPARATE),
{ NULL, 0, },
};
static tagvalmap const
tvm_resolutionunit[] = {
TV(RESUNIT_,NONE),
TV(RESUNIT_,INCH),
TV(RESUNIT_,CENTIMETER),
{ NULL, 0, },
};
static tagvalmap const
tvm_sampleformat[] = {
TV(SAMPLEFORMAT_,UINT),
TV(SAMPLEFORMAT_,INT),
TV(SAMPLEFORMAT_,IEEEFP),
TV(SAMPLEFORMAT_,VOID),
{ NULL, 0, },
};
static tagvalmap const
tvm_subfiletype[] = {
TV(FILETYPE_,REDUCEDIMAGE),
TV(FILETYPE_,PAGE),
TV(FILETYPE_,MASK),
{ NULL, 0, },
};
static tagvalmap const
tvm_threshholding[] =
{
TV(THRESHHOLD_,BILEVEL),
TV(THRESHHOLD_,HALFTONE),
TV(THRESHHOLD_,ERRORDIFFUSE),
{ NULL, 0, },
};
#undef TV
/*
* For full functionality, some tags have an implied count
* (eg. colormap, dotrange). See TIFFGetField(3).
* Also, some are arrays.
*/
#define DECL(a,p,c) { #a, TIFFTAG_##a, p, c, }
static tagDefinition const
tagDefinitions[] = {
DECL(ARTIST, putAscii, NULL),
DECL(BADFAXLINES, putLong, NULL),
DECL(BITSPERSAMPLE, putShort, NULL),
DECL(CELLLENGTH, NULL, NULL),
DECL(CELLWIDTH, NULL, NULL),
DECL(CLEANFAXDATA, putShort, NULL),
DECL(COLORMAP, NULL, NULL),
DECL(COLORRESPONSEUNIT, NULL, NULL),
DECL(COMPRESSION, putShort, tvm_compression),
DECL(CONSECUTIVEBADFAXLINES, putLong, NULL),
DECL(COPYRIGHT, putAscii, NULL),
DECL(DATATYPE, putShort, NULL),
DECL(DATETIME, putAscii, NULL),
DECL(DCSBALANCEARRAY, NULL, NULL),
DECL(DCSCALIBRATIONFD, NULL, NULL),
DECL(DCSCLIPRECTANGLE, NULL, NULL),
DECL(DCSCORRECTMATRIX, NULL, NULL),
DECL(DCSGAMMA, NULL, NULL),
DECL(DCSHUESHIFTVALUES, NULL, NULL),
DECL(DCSIMAGERTYPE, NULL, NULL),
DECL(DCSINTERPMODE, NULL, NULL),
DECL(DCSTOESHOULDERPTS, NULL, NULL),
DECL(DOCUMENTNAME, putAscii, NULL),
DECL(DOTRANGE, NULL, NULL),
DECL(EXTRASAMPLES, NULL, NULL),
DECL(FAXFILLFUNC, NULL, NULL),
DECL(FAXMODE, putLong, tvm_faxmode),
DECL(FAXRECVPARAMS, NULL, NULL),
DECL(FAXRECVTIME, NULL, NULL),
DECL(FAXSUBADDRESS, NULL, NULL),
DECL(FEDEX_EDR, NULL, NULL),
DECL(FILLORDER, putShort, tvm_fillorder),
DECL(FRAMECOUNT, NULL, NULL),
DECL(FREEBYTECOUNTS, NULL, NULL),
DECL(FREEOFFSETS, NULL, NULL),
DECL(GRAYRESPONSECURVE, NULL, NULL),
DECL(GRAYRESPONSEUNIT, NULL, NULL),
DECL(GROUP3OPTIONS, putLong, tvm_group3options),
DECL(GROUP4OPTIONS, putLong, tvm_group4options),
DECL(HALFTONEHINTS, NULL, NULL),
DECL(HOSTCOMPUTER, putAscii, NULL),
DECL(ICCPROFILE, putCountBytes, NULL),
DECL(IMAGEDEPTH, putLong, NULL),
DECL(IMAGEDESCRIPTION, putAscii, NULL),
DECL(IMAGELENGTH, putLong, NULL),
DECL(IMAGEWIDTH, putLong, NULL),
DECL(INKNAMES, putAscii, NULL),
DECL(INKSET, putShort, tvm_inkset),
DECL(IT8BITSPEREXTENDEDRUNLENGTH, NULL, NULL),
DECL(IT8BITSPERRUNLENGTH, NULL, NULL),
DECL(IT8BKGCOLORINDICATOR, NULL, NULL),
DECL(IT8BKGCOLORVALUE, NULL, NULL),
DECL(IT8COLORCHARACTERIZATION, NULL, NULL),
DECL(IT8COLORSEQUENCE, NULL, NULL),
DECL(IT8COLORTABLE, NULL, NULL),
DECL(IT8HEADER, NULL, NULL),
DECL(IT8IMAGECOLORINDICATOR, NULL, NULL),
DECL(IT8IMAGECOLORVALUE, NULL, NULL),
DECL(IT8PIXELINTENSITYRANGE, NULL, NULL),
DECL(IT8RASTERPADDING, NULL, NULL),
DECL(IT8SITE, NULL, NULL),
DECL(IT8TRANSPARENCYINDICATOR, NULL, NULL),
DECL(JBIGOPTIONS, NULL, NULL),
DECL(JPEGACTABLES, NULL, NULL),
DECL(JPEGCOLORMODE, NULL, NULL),
DECL(JPEGDCTABLES, NULL, NULL),
DECL(JPEGIFBYTECOUNT, NULL, NULL),
DECL(JPEGIFOFFSET, NULL, NULL),
DECL(JPEGLOSSLESSPREDICTORS, NULL, NULL),
DECL(JPEGPOINTTRANSFORM, NULL, NULL),
DECL(JPEGPROC, NULL, NULL),
DECL(JPEGQTABLES, NULL, NULL),
DECL(JPEGQUALITY, NULL, NULL),
DECL(JPEGRESTARTINTERVAL, NULL, NULL),
DECL(JPEGTABLES, NULL, NULL),
DECL(JPEGTABLESMODE, NULL, NULL),
DECL(MAKE, putAscii, NULL),
DECL(MATTEING, putShort, NULL),
DECL(MAXSAMPLEVALUE, putShort, NULL),
DECL(MINSAMPLEVALUE, putShort, NULL),
DECL(MODEL, putAscii, NULL),
DECL(NUMBEROFINKS, NULL, NULL),
DECL(ORIENTATION, putShort, tvm_orientation),
DECL(OSUBFILETYPE, NULL, NULL),
DECL(PAGENAME, putAscii, NULL),
DECL(PAGENUMBER, NULL, NULL),
DECL(PHOTOMETRIC, putShort, tvm_photometric),
DECL(PHOTOSHOP, NULL, NULL),
DECL(PIXAR_FOVCOT, NULL, NULL),
DECL(PIXAR_IMAGEFULLLENGTH, NULL, NULL),
DECL(PIXAR_IMAGEFULLWIDTH, NULL, NULL),
DECL(PIXAR_MATRIX_WORLDTOCAMERA, NULL, NULL),
DECL(PIXAR_MATRIX_WORLDTOSCREEN, NULL, NULL),
DECL(PIXAR_TEXTUREFORMAT, NULL, NULL),
DECL(PIXAR_WRAPMODES, NULL, NULL),
DECL(PIXARLOGDATAFMT, NULL, NULL),
DECL(PIXARLOGQUALITY, NULL, NULL),
DECL(PLANARCONFIG, putShort, tvm_planarconfig),
DECL(PREDICTOR, putShort, NULL),
DECL(PRIMARYCHROMATICITIES, NULL, NULL),
DECL(REFERENCEBLACKWHITE, NULL, NULL),
DECL(REFPTS, NULL, NULL),
DECL(REGIONAFFINE, NULL, NULL),
DECL(REGIONTACKPOINT, NULL, NULL),
DECL(REGIONWARPCORNERS, NULL, NULL),
DECL(RESOLUTIONUNIT, putShort, tvm_resolutionunit),
DECL(RICHTIFFIPTC, NULL, NULL),
DECL(ROWSPERSTRIP, putLong, NULL),
DECL(SAMPLEFORMAT, putShort, tvm_sampleformat),
DECL(SAMPLESPERPIXEL, putShort, NULL),
DECL(SGILOGDATAFMT, NULL, NULL),
DECL(SMAXSAMPLEVALUE, NULL, NULL),
DECL(SMINSAMPLEVALUE, NULL, NULL),
DECL(SOFTWARE, putAscii, NULL),
DECL(STONITS, NULL, NULL),
DECL(STRIPBYTECOUNTS, NULL, NULL),
DECL(STRIPOFFSETS, NULL, NULL),
DECL(SUBFILETYPE, putLong, tvm_subfiletype),
DECL(SUBIFD, NULL, NULL),
DECL(TARGETPRINTER, putAscii, NULL),
DECL(THRESHHOLDING, putShort, tvm_threshholding),
DECL(TILEBYTECOUNTS, NULL, NULL),
DECL(TILEDEPTH, putLong, NULL),
DECL(TILELENGTH, putLong, NULL),
DECL(TILEOFFSETS, NULL, NULL),
DECL(TILEWIDTH, putLong, NULL),
DECL(TRANSFERFUNCTION, NULL, NULL),
DECL(WHITEPOINT, NULL, NULL),
DECL(WRITERSERIALNUMBER, NULL, NULL),
DECL(XPOSITION, putRational, NULL),
DECL(XRESOLUTION, putRational, NULL),
DECL(YCBCRCOEFFICIENTS, NULL, NULL),
DECL(YCBCRPOSITIONING, NULL, NULL),
DECL(YCBCRSUBSAMPLING, NULL, NULL),
DECL(YPOSITION, putRational, NULL),
DECL(YRESOLUTION, putRational, NULL),
DECL(ZIPQUALITY, NULL, NULL),
};
#undef DECL
const tagDefinition *
tagDefFind(const char * const name) {
unsigned int i;
for (i = 0;
i < ARRAY_SIZE(tagDefinitions) && tagDefinitions[i].name;
++i) {
if (strcaseeq(tagDefinitions[i].name, name))
return &tagDefinitions[i];
}
return NULL;
}
|
