diff options
Diffstat (limited to 'src/3rdparty/libtiff/libtiff/tif_dir.c')
| -rw-r--r-- | src/3rdparty/libtiff/libtiff/tif_dir.c | 1548 |
1 files changed, 919 insertions, 629 deletions
diff --git a/src/3rdparty/libtiff/libtiff/tif_dir.c b/src/3rdparty/libtiff/libtiff/tif_dir.c index 102c9a85cd..8bf3ea719f 100644 --- a/src/3rdparty/libtiff/libtiff/tif_dir.c +++ b/src/3rdparty/libtiff/libtiff/tif_dir.c @@ -1,4 +1,4 @@ -/* $Id: tif_dir.c,v 1.75.2.2 2009-01-01 00:10:43 bfriesen Exp $ */ +/* $Id: tif_dir.c,v 1.113 2012-06-14 20:32:53 fwarmerdam Exp $ */ /* * Copyright (c) 1988-1997 Sam Leffler @@ -46,7 +46,7 @@ setByteArray(void** vpp, void* vp, size_t nmemb, size_t elem_size) if (*vpp) _TIFFfree(*vpp), *vpp = 0; if (vp) { - tsize_t bytes = nmemb * elem_size; + tmsize_t bytes = (tmsize_t)(nmemb * elem_size); if (elem_size && bytes / elem_size == nmemb) *vpp = (void*) _TIFFmalloc(bytes); if (*vpp) @@ -63,11 +63,26 @@ void _TIFFsetShortArray(uint16** wpp, uint16* wp, uint32 n) { setByteArray((void**) wpp, (void*) wp, n, sizeof (uint16)); } void _TIFFsetLongArray(uint32** lpp, uint32* lp, uint32 n) { setByteArray((void**) lpp, (void*) lp, n, sizeof (uint32)); } +void _TIFFsetLong8Array(uint64** lpp, uint64* lp, uint32 n) + { setByteArray((void**) lpp, (void*) lp, n, sizeof (uint64)); } void _TIFFsetFloatArray(float** fpp, float* fp, uint32 n) { setByteArray((void**) fpp, (void*) fp, n, sizeof (float)); } void _TIFFsetDoubleArray(double** dpp, double* dp, uint32 n) { setByteArray((void**) dpp, (void*) dp, n, sizeof (double)); } +static void +setDoubleArrayOneValue(double** vpp, double value, size_t nmemb) +{ + if (*vpp) + _TIFFfree(*vpp); + *vpp = _TIFFmalloc(nmemb*sizeof(double)); + if (*vpp) + { + while (nmemb--) + ((double*)*vpp)[nmemb] = value; + } +} + /* * Install extra samples information. */ @@ -80,7 +95,7 @@ setExtraSamples(TIFFDirectory* td, va_list ap, uint32* v) uint16* va; uint32 i; - *v = va_arg(ap, uint32); + *v = (uint16) va_arg(ap, uint16_vap); if ((uint16) *v > td->td_samplesperpixel) return 0; va = va_arg(ap, uint16*); @@ -107,6 +122,10 @@ setExtraSamples(TIFFDirectory* td, va_list ap, uint32* v) #undef EXTRASAMPLE_COREL_UNASSALPHA } +/* + * Confirm we have "samplesperpixel" ink names separated by \0. Returns + * zero if the ink names are not as expected. + */ static uint32 checkInkNamesString(TIFF* tif, uint32 slen, const char* s) { @@ -117,12 +136,12 @@ checkInkNamesString(TIFF* tif, uint32 slen, const char* s) const char* ep = s+slen; const char* cp = s; for (; i > 0; i--) { - for (; *cp != '\0'; cp++) - if (cp >= ep) - goto bad; + for (; cp < ep && *cp != '\0'; cp++) {} + if (cp >= ep) + goto bad; cp++; /* skip \0 */ } - return (cp-s); + return ((uint32)(cp-s)); } bad: TIFFErrorExt(tif->tif_clientdata, "TIFFSetField", @@ -134,7 +153,7 @@ bad: } static int -_TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) +_TIFFVSetField(TIFF* tif, uint32 tag, va_list ap) { static const char module[] = "_TIFFVSetField"; @@ -142,19 +161,31 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) int status = 1; uint32 v32, i, v; char* s; + const TIFFField *fip = TIFFFindField(tif, tag, TIFF_ANY); + uint32 standard_tag = tag; + + /* + * We want to force the custom code to be used for custom + * fields even if the tag happens to match a well known + * one - important for reinterpreted handling of standard + * tag values in custom directories (ie. EXIF) + */ + if (fip->field_bit == FIELD_CUSTOM) { + standard_tag = 0; + } - switch (tag) { + switch (standard_tag) { case TIFFTAG_SUBFILETYPE: - td->td_subfiletype = va_arg(ap, uint32); + td->td_subfiletype = (uint32) va_arg(ap, uint32); break; case TIFFTAG_IMAGEWIDTH: - td->td_imagewidth = va_arg(ap, uint32); + td->td_imagewidth = (uint32) va_arg(ap, uint32); break; case TIFFTAG_IMAGELENGTH: - td->td_imagelength = va_arg(ap, uint32); + td->td_imagelength = (uint32) va_arg(ap, uint32); break; case TIFFTAG_BITSPERSAMPLE: - td->td_bitspersample = (uint16) va_arg(ap, int); + td->td_bitspersample = (uint16) va_arg(ap, uint16_vap); /* * If the data require post-decoding processing to byte-swap * samples, set it up here. Note that since tags are required @@ -163,7 +194,9 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) * work in with its normal work. */ if (tif->tif_flags & TIFF_SWAB) { - if (td->td_bitspersample == 16) + if (td->td_bitspersample == 8) + tif->tif_postdecode = _TIFFNoPostDecode; + else if (td->td_bitspersample == 16) tif->tif_postdecode = _TIFFSwab16BitData; else if (td->td_bitspersample == 24) tif->tif_postdecode = _TIFFSwab24BitData; @@ -176,14 +209,14 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) } break; case TIFFTAG_COMPRESSION: - v = va_arg(ap, uint32) & 0xffff; + v = (uint16) va_arg(ap, uint16_vap); /* * If we're changing the compression scheme, the notify the * previous module so that it can cleanup any state it's * setup. */ if (TIFFFieldSet(tif, FIELD_COMPRESSION)) { - if (td->td_compression == v) + if ((uint32)td->td_compression == v) break; (*tif->tif_cleanup)(tif); tif->tif_flags &= ~TIFF_CODERSETUP; @@ -192,38 +225,37 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) * Setup new compression routine state. */ if( (status = TIFFSetCompressionScheme(tif, v)) != 0 ) - td->td_compression = (uint16) v; - else - status = 0; + td->td_compression = (uint16) v; + else + status = 0; break; case TIFFTAG_PHOTOMETRIC: - td->td_photometric = (uint16) va_arg(ap, int); + td->td_photometric = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_THRESHHOLDING: - td->td_threshholding = (uint16) va_arg(ap, int); + td->td_threshholding = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_FILLORDER: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v != FILLORDER_LSB2MSB && v != FILLORDER_MSB2LSB) goto badvalue; td->td_fillorder = (uint16) v; break; case TIFFTAG_ORIENTATION: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v < ORIENTATION_TOPLEFT || ORIENTATION_LEFTBOT < v) goto badvalue; else td->td_orientation = (uint16) v; break; case TIFFTAG_SAMPLESPERPIXEL: - /* XXX should cross check -- e.g. if pallette, then 1 */ - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v == 0) goto badvalue; td->td_samplesperpixel = (uint16) v; break; case TIFFTAG_ROWSPERSTRIP: - v32 = va_arg(ap, uint32); + v32 = (uint32) va_arg(ap, uint32); if (v32 == 0) goto badvalue32; td->td_rowsperstrip = v32; @@ -233,16 +265,22 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) } break; case TIFFTAG_MINSAMPLEVALUE: - td->td_minsamplevalue = (uint16) va_arg(ap, int); + td->td_minsamplevalue = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_MAXSAMPLEVALUE: - td->td_maxsamplevalue = (uint16) va_arg(ap, int); + td->td_maxsamplevalue = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_SMINSAMPLEVALUE: - td->td_sminsamplevalue = va_arg(ap, double); + if (tif->tif_flags & TIFF_PERSAMPLE) + _TIFFsetDoubleArray(&td->td_sminsamplevalue, va_arg(ap, double*), td->td_samplesperpixel); + else + setDoubleArrayOneValue(&td->td_sminsamplevalue, va_arg(ap, double), td->td_samplesperpixel); break; case TIFFTAG_SMAXSAMPLEVALUE: - td->td_smaxsamplevalue = va_arg(ap, double); + if (tif->tif_flags & TIFF_PERSAMPLE) + _TIFFsetDoubleArray(&td->td_smaxsamplevalue, va_arg(ap, double*), td->td_samplesperpixel); + else + setDoubleArrayOneValue(&td->td_smaxsamplevalue, va_arg(ap, double), td->td_samplesperpixel); break; case TIFFTAG_XRESOLUTION: td->td_xresolution = (float) va_arg(ap, double); @@ -251,7 +289,7 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) td->td_yresolution = (float) va_arg(ap, double); break; case TIFFTAG_PLANARCONFIG: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v != PLANARCONFIG_CONTIG && v != PLANARCONFIG_SEPARATE) goto badvalue; td->td_planarconfig = (uint16) v; @@ -263,18 +301,18 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) td->td_yposition = (float) va_arg(ap, double); break; case TIFFTAG_RESOLUTIONUNIT: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v < RESUNIT_NONE || RESUNIT_CENTIMETER < v) goto badvalue; td->td_resolutionunit = (uint16) v; break; case TIFFTAG_PAGENUMBER: - td->td_pagenumber[0] = (uint16) va_arg(ap, int); - td->td_pagenumber[1] = (uint16) va_arg(ap, int); + td->td_pagenumber[0] = (uint16) va_arg(ap, uint16_vap); + td->td_pagenumber[1] = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_HALFTONEHINTS: - td->td_halftonehints[0] = (uint16) va_arg(ap, int); - td->td_halftonehints[1] = (uint16) va_arg(ap, int); + td->td_halftonehints[0] = (uint16) va_arg(ap, uint16_vap); + td->td_halftonehints[1] = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_COLORMAP: v32 = (uint32)(1L<<td->td_bitspersample); @@ -287,14 +325,14 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) goto badvalue; break; case TIFFTAG_MATTEING: - td->td_extrasamples = (uint16) (va_arg(ap, int) != 0); + td->td_extrasamples = (((uint16) va_arg(ap, uint16_vap)) != 0); if (td->td_extrasamples) { uint16 sv = EXTRASAMPLE_ASSOCALPHA; _TIFFsetShortArray(&td->td_sampleinfo, &sv, 1); } break; case TIFFTAG_TILEWIDTH: - v32 = va_arg(ap, uint32); + v32 = (uint32) va_arg(ap, uint32); if (v32 % 16) { if (tif->tif_mode != O_RDONLY) goto badvalue32; @@ -305,7 +343,7 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) tif->tif_flags |= TIFF_ISTILED; break; case TIFFTAG_TILELENGTH: - v32 = va_arg(ap, uint32); + v32 = (uint32) va_arg(ap, uint32); if (v32 % 16) { if (tif->tif_mode != O_RDONLY) goto badvalue32; @@ -316,13 +354,13 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) tif->tif_flags |= TIFF_ISTILED; break; case TIFFTAG_TILEDEPTH: - v32 = va_arg(ap, uint32); + v32 = (uint32) va_arg(ap, uint32); if (v32 == 0) goto badvalue32; td->td_tiledepth = v32; break; case TIFFTAG_DATATYPE: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); switch (v) { case DATATYPE_VOID: v = SAMPLEFORMAT_VOID; break; case DATATYPE_INT: v = SAMPLEFORMAT_INT; break; @@ -333,29 +371,29 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) td->td_sampleformat = (uint16) v; break; case TIFFTAG_SAMPLEFORMAT: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); if (v < SAMPLEFORMAT_UINT || SAMPLEFORMAT_COMPLEXIEEEFP < v) goto badvalue; td->td_sampleformat = (uint16) v; - /* Try to fix up the SWAB function for complex data. */ - if( td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT - && td->td_bitspersample == 32 - && tif->tif_postdecode == _TIFFSwab32BitData ) - tif->tif_postdecode = _TIFFSwab16BitData; - else if( (td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT - || td->td_sampleformat == SAMPLEFORMAT_COMPLEXIEEEFP) - && td->td_bitspersample == 64 - && tif->tif_postdecode == _TIFFSwab64BitData ) - tif->tif_postdecode = _TIFFSwab32BitData; + /* Try to fix up the SWAB function for complex data. */ + if( td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT + && td->td_bitspersample == 32 + && tif->tif_postdecode == _TIFFSwab32BitData ) + tif->tif_postdecode = _TIFFSwab16BitData; + else if( (td->td_sampleformat == SAMPLEFORMAT_COMPLEXINT + || td->td_sampleformat == SAMPLEFORMAT_COMPLEXIEEEFP) + && td->td_bitspersample == 64 + && tif->tif_postdecode == _TIFFSwab64BitData ) + tif->tif_postdecode = _TIFFSwab32BitData; break; case TIFFTAG_IMAGEDEPTH: - td->td_imagedepth = va_arg(ap, uint32); + td->td_imagedepth = (uint32) va_arg(ap, uint32); break; case TIFFTAG_SUBIFD: if ((tif->tif_flags & TIFF_INSUBIFD) == 0) { - td->td_nsubifd = (uint16) va_arg(ap, int); - _TIFFsetLongArray(&td->td_subifd, va_arg(ap, uint32*), + td->td_nsubifd = (uint16) va_arg(ap, uint16_vap); + _TIFFsetLong8Array(&td->td_subifd, (uint64*) va_arg(ap, uint64*), (long) td->td_nsubifd); } else { TIFFErrorExt(tif->tif_clientdata, module, @@ -365,11 +403,11 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) } break; case TIFFTAG_YCBCRPOSITIONING: - td->td_ycbcrpositioning = (uint16) va_arg(ap, int); + td->td_ycbcrpositioning = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_YCBCRSUBSAMPLING: - td->td_ycbcrsubsampling[0] = (uint16) va_arg(ap, int); - td->td_ycbcrsubsampling[1] = (uint16) va_arg(ap, int); + td->td_ycbcrsubsampling[0] = (uint16) va_arg(ap, uint16_vap); + td->td_ycbcrsubsampling[1] = (uint16) va_arg(ap, uint16_vap); break; case TIFFTAG_TRANSFERFUNCTION: v = (td->td_samplesperpixel - td->td_extrasamples) > 1 ? 3 : 1; @@ -377,207 +415,258 @@ _TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) _TIFFsetShortArray(&td->td_transferfunction[i], va_arg(ap, uint16*), 1L<<td->td_bitspersample); break; + case TIFFTAG_REFERENCEBLACKWHITE: + /* XXX should check for null range */ + _TIFFsetFloatArray(&td->td_refblackwhite, va_arg(ap, float*), 6); + break; case TIFFTAG_INKNAMES: - v = va_arg(ap, uint32); + v = (uint16) va_arg(ap, uint16_vap); s = va_arg(ap, char*); v = checkInkNamesString(tif, v, s); - status = v > 0; + status = v > 0; if( v > 0 ) { _TIFFsetNString(&td->td_inknames, s, v); td->td_inknameslen = v; } break; - default: { - TIFFTagValue *tv; - int tv_size, iCustom; - const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); - - /* - * This can happen if multiple images are open with different - * codecs which have private tags. The global tag information - * table may then have tags that are valid for one file but not - * the other. If the client tries to set a tag that is not valid - * for the image's codec then we'll arrive here. This - * happens, for example, when tiffcp is used to convert between - * compression schemes and codec-specific tags are blindly copied. - */ - if(fip == NULL || fip->field_bit != FIELD_CUSTOM) { - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Invalid %stag \"%s\" (not supported by codec)", - tif->tif_name, isPseudoTag(tag) ? "pseudo-" : "", - fip ? fip->field_name : "Unknown"); - status = 0; + case TIFFTAG_PERSAMPLE: + v = (uint16) va_arg(ap, uint16_vap); + if( v == PERSAMPLE_MULTI ) + tif->tif_flags |= TIFF_PERSAMPLE; + else + tif->tif_flags &= ~TIFF_PERSAMPLE; break; - } - - /* - * Find the existing entry for this custom value. - */ - tv = NULL; - for (iCustom = 0; iCustom < td->td_customValueCount; iCustom++) { - if (td->td_customValues[iCustom].info->field_tag == tag) { - tv = td->td_customValues + iCustom; - if (tv->value != NULL) { - _TIFFfree(tv->value); - tv->value = NULL; - } - break; - } - } + default: { + TIFFTagValue *tv; + int tv_size, iCustom; - /* - * Grow the custom list if the entry was not found. - */ - if(tv == NULL) { - TIFFTagValue *new_customValues; - - td->td_customValueCount++; - new_customValues = (TIFFTagValue *) - _TIFFrealloc(td->td_customValues, - sizeof(TIFFTagValue) * td->td_customValueCount); - if (!new_customValues) { + /* + * This can happen if multiple images are open with different + * codecs which have private tags. The global tag information + * table may then have tags that are valid for one file but not + * the other. If the client tries to set a tag that is not valid + * for the image's codec then we'll arrive here. This + * happens, for example, when tiffcp is used to convert between + * compression schemes and codec-specific tags are blindly copied. + */ + if(fip == NULL || fip->field_bit != FIELD_CUSTOM) { TIFFErrorExt(tif->tif_clientdata, module, - "%s: Failed to allocate space for list of custom values", - tif->tif_name); + "%s: Invalid %stag \"%s\" (not supported by codec)", + tif->tif_name, isPseudoTag(tag) ? "pseudo-" : "", + fip ? fip->field_name : "Unknown"); status = 0; - goto end; + break; } - td->td_customValues = new_customValues; + /* + * Find the existing entry for this custom value. + */ + tv = NULL; + for (iCustom = 0; iCustom < td->td_customValueCount; iCustom++) { + if (td->td_customValues[iCustom].info->field_tag == tag) { + tv = td->td_customValues + iCustom; + if (tv->value != NULL) { + _TIFFfree(tv->value); + tv->value = NULL; + } + break; + } + } - tv = td->td_customValues + (td->td_customValueCount - 1); - tv->info = fip; - tv->value = NULL; - tv->count = 0; - } + /* + * Grow the custom list if the entry was not found. + */ + if(tv == NULL) { + TIFFTagValue *new_customValues; - /* - * Set custom value ... save a copy of the custom tag value. - */ - tv_size = _TIFFDataSize(fip->field_type); - if (tv_size == 0) { - status = 0; - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Bad field type %d for \"%s\"", - tif->tif_name, fip->field_type, - fip->field_name); - goto end; - } - - if(fip->field_passcount) { - if (fip->field_writecount == TIFF_VARIABLE2) - tv->count = (uint32) va_arg(ap, uint32); - else - tv->count = (int) va_arg(ap, int); - } else if (fip->field_writecount == TIFF_VARIABLE - || fip->field_writecount == TIFF_VARIABLE2) - tv->count = 1; - else if (fip->field_writecount == TIFF_SPP) - tv->count = td->td_samplesperpixel; - else - tv->count = fip->field_writecount; - - - if (fip->field_type == TIFF_ASCII) - _TIFFsetString((char **)&tv->value, va_arg(ap, char *)); - else { - tv->value = _TIFFCheckMalloc(tif, tv_size, tv->count, - "Tag Value"); - if (!tv->value) { - status = 0; - goto end; + td->td_customValueCount++; + new_customValues = (TIFFTagValue *) + _TIFFrealloc(td->td_customValues, + sizeof(TIFFTagValue) * td->td_customValueCount); + if (!new_customValues) { + TIFFErrorExt(tif->tif_clientdata, module, + "%s: Failed to allocate space for list of custom values", + tif->tif_name); + status = 0; + goto end; + } + + td->td_customValues = new_customValues; + + tv = td->td_customValues + (td->td_customValueCount - 1); + tv->info = fip; + tv->value = NULL; + tv->count = 0; } - if ((fip->field_passcount - || fip->field_writecount == TIFF_VARIABLE - || fip->field_writecount == TIFF_VARIABLE2 - || fip->field_writecount == TIFF_SPP - || tv->count > 1) - && fip->field_tag != TIFFTAG_PAGENUMBER - && fip->field_tag != TIFFTAG_HALFTONEHINTS - && fip->field_tag != TIFFTAG_YCBCRSUBSAMPLING - && fip->field_tag != TIFFTAG_DOTRANGE) { - _TIFFmemcpy(tv->value, va_arg(ap, void *), - tv->count * tv_size); - } else { - /* - * XXX: The following loop required to handle - * TIFFTAG_PAGENUMBER, TIFFTAG_HALFTONEHINTS, - * TIFFTAG_YCBCRSUBSAMPLING and TIFFTAG_DOTRANGE tags. - * These tags are actually arrays and should be passed as - * array pointers to TIFFSetField() function, but actually - * passed as a list of separate values. This behaviour - * must be changed in the future! - */ - int i; - char *val = (char *)tv->value; - - for (i = 0; i < tv->count; i++, val += tv_size) { - switch (fip->field_type) { + /* + * Set custom value ... save a copy of the custom tag value. + */ + tv_size = _TIFFDataSize(fip->field_type); + if (tv_size == 0) { + status = 0; + TIFFErrorExt(tif->tif_clientdata, module, + "%s: Bad field type %d for \"%s\"", + tif->tif_name, fip->field_type, + fip->field_name); + goto end; + } + + if (fip->field_type == TIFF_ASCII) + { + uint32 ma; + char* mb; + if (fip->field_passcount) + { + assert(fip->field_writecount==TIFF_VARIABLE2); + ma=(uint32)va_arg(ap,uint32); + mb=(char*)va_arg(ap,char*); + } + else + { + mb=(char*)va_arg(ap,char*); + ma=(uint32)(strlen(mb)+1); + } + tv->count=ma; + setByteArray(&tv->value,mb,ma,1); + } + else + { + if (fip->field_passcount) { + if (fip->field_writecount == TIFF_VARIABLE2) + tv->count = (uint32) va_arg(ap, uint32); + else + tv->count = (int) va_arg(ap, int); + } else if (fip->field_writecount == TIFF_VARIABLE + || fip->field_writecount == TIFF_VARIABLE2) + tv->count = 1; + else if (fip->field_writecount == TIFF_SPP) + tv->count = td->td_samplesperpixel; + else + tv->count = fip->field_writecount; + + if (tv->count == 0) { + status = 0; + TIFFErrorExt(tif->tif_clientdata, module, + "%s: Null count for \"%s\" (type " + "%d, writecount %d, passcount %d)", + tif->tif_name, + fip->field_name, + fip->field_type, + fip->field_writecount, + fip->field_passcount); + goto end; + } + + tv->value = _TIFFCheckMalloc(tif, tv->count, tv_size, + "custom tag binary object"); + if (!tv->value) { + status = 0; + goto end; + } + + if (fip->field_tag == TIFFTAG_DOTRANGE + && strcmp(fip->field_name,"DotRange") == 0) { + /* TODO: This is an evil exception and should not have been + handled this way ... likely best if we move it into + the directory structure with an explicit field in + libtiff 4.1 and assign it a FIELD_ value */ + uint16 v[2]; + v[0] = (uint16)va_arg(ap, int); + v[1] = (uint16)va_arg(ap, int); + _TIFFmemcpy(tv->value, &v, 4); + } + + else if (fip->field_passcount + || fip->field_writecount == TIFF_VARIABLE + || fip->field_writecount == TIFF_VARIABLE2 + || fip->field_writecount == TIFF_SPP + || tv->count > 1) { + _TIFFmemcpy(tv->value, va_arg(ap, void *), + tv->count * tv_size); + } else { + char *val = (char *)tv->value; + assert( tv->count == 1 ); + + switch (fip->field_type) { case TIFF_BYTE: case TIFF_UNDEFINED: - { - uint8 v = (uint8)va_arg(ap, int); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + uint8 v = (uint8)va_arg(ap, int); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_SBYTE: - { - int8 v = (int8)va_arg(ap, int); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + int8 v = (int8)va_arg(ap, int); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_SHORT: - { - uint16 v = (uint16)va_arg(ap, int); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + uint16 v = (uint16)va_arg(ap, int); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_SSHORT: - { - int16 v = (int16)va_arg(ap, int); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + int16 v = (int16)va_arg(ap, int); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_LONG: case TIFF_IFD: - { - uint32 v = va_arg(ap, uint32); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + uint32 v = va_arg(ap, uint32); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_SLONG: - { - int32 v = va_arg(ap, int32); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + int32 v = va_arg(ap, int32); + _TIFFmemcpy(val, &v, tv_size); + } + break; + case TIFF_LONG8: + case TIFF_IFD8: + { + uint64 v = va_arg(ap, uint64); + _TIFFmemcpy(val, &v, tv_size); + } + break; + case TIFF_SLONG8: + { + int64 v = va_arg(ap, int64); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_RATIONAL: case TIFF_SRATIONAL: case TIFF_FLOAT: - { - float v = (float)va_arg(ap, double); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + float v = (float)va_arg(ap, double); + _TIFFmemcpy(val, &v, tv_size); + } + break; case TIFF_DOUBLE: - { - double v = va_arg(ap, double); - _TIFFmemcpy(val, &v, tv_size); - } - break; + { + double v = va_arg(ap, double); + _TIFFmemcpy(val, &v, tv_size); + } + break; default: - _TIFFmemset(val, 0, tv_size); - status = 0; - break; - } - } + _TIFFmemset(val, 0, tv_size); + status = 0; + break; + } + } } - } - } + } } if (status) { - TIFFSetFieldBit(tif, _TIFFFieldWithTag(tif, tag)->field_bit); + const TIFFField* fip=TIFFFieldWithTag(tif,tag); + if (fip) + TIFFSetFieldBit(tif, fip->field_bit); tif->tif_flags |= TIFF_DIRTYDIRECT; } @@ -585,18 +674,24 @@ end: va_end(ap); return (status); badvalue: - TIFFErrorExt(tif->tif_clientdata, module, - "%s: Bad value %d for \"%s\" tag", + { + const TIFFField* fip=TIFFFieldWithTag(tif,tag); + TIFFErrorExt(tif->tif_clientdata, module, + "%s: Bad value %u for \"%s\" tag", tif->tif_name, v, - _TIFFFieldWithTag(tif, tag)->field_name); - va_end(ap); + fip ? fip->field_name : "Unknown"); + va_end(ap); + } return (0); badvalue32: - TIFFErrorExt(tif->tif_clientdata, module, + { + const TIFFField* fip=TIFFFieldWithTag(tif,tag); + TIFFErrorExt(tif->tif_clientdata, module, "%s: Bad value %u for \"%s\" tag", tif->tif_name, v32, - _TIFFFieldWithTag(tif, tag)->field_name); - va_end(ap); + fip ? fip->field_name : "Unknown"); + va_end(ap); + } return (0); } @@ -610,9 +705,9 @@ badvalue32: * on the format of the data that is written. */ static int -OkToChangeTag(TIFF* tif, ttag_t tag) +OkToChangeTag(TIFF* tif, uint32 tag) { - const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); + const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY); if (!fip) { /* unknown tag */ TIFFErrorExt(tif->tif_clientdata, "TIFFSetField", "%s: Unknown %stag %u", tif->tif_name, isPseudoTag(tag) ? "pseudo-" : "", tag); @@ -642,7 +737,7 @@ OkToChangeTag(TIFF* tif, ttag_t tag) * updated. */ int -TIFFSetField(TIFF* tif, ttag_t tag, ...) +TIFFSetField(TIFF* tif, uint32 tag, ...) { va_list ap; int status; @@ -654,286 +749,379 @@ TIFFSetField(TIFF* tif, ttag_t tag, ...) } /* + * Clear the contents of the field in the internal structure. + */ +int +TIFFUnsetField(TIFF* tif, uint32 tag) +{ + const TIFFField *fip = TIFFFieldWithTag(tif, tag); + TIFFDirectory* td = &tif->tif_dir; + + if( !fip ) + return 0; + + if( fip->field_bit != FIELD_CUSTOM ) + TIFFClrFieldBit(tif, fip->field_bit); + else + { + TIFFTagValue *tv = NULL; + int i; + + for (i = 0; i < td->td_customValueCount; i++) { + + tv = td->td_customValues + i; + if( tv->info->field_tag == tag ) + break; + } + + if( i < td->td_customValueCount ) + { + _TIFFfree(tv->value); + for( ; i < td->td_customValueCount-1; i++) { + td->td_customValues[i] = td->td_customValues[i+1]; + } + td->td_customValueCount--; + } + } + + tif->tif_flags |= TIFF_DIRTYDIRECT; + + return (1); +} + +/* * Like TIFFSetField, but taking a varargs * parameter list. This routine is useful * for building higher-level interfaces on * top of the library. */ int -TIFFVSetField(TIFF* tif, ttag_t tag, va_list ap) +TIFFVSetField(TIFF* tif, uint32 tag, va_list ap) { return OkToChangeTag(tif, tag) ? (*tif->tif_tagmethods.vsetfield)(tif, tag, ap) : 0; } static int -_TIFFVGetField(TIFF* tif, ttag_t tag, va_list ap) +_TIFFVGetField(TIFF* tif, uint32 tag, va_list ap) { - TIFFDirectory* td = &tif->tif_dir; - int ret_val = 1; + TIFFDirectory* td = &tif->tif_dir; + int ret_val = 1; + uint32 standard_tag = tag; + const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY); + + /* + * We want to force the custom code to be used for custom + * fields even if the tag happens to match a well known + * one - important for reinterpreted handling of standard + * tag values in custom directories (ie. EXIF) + */ + if (fip->field_bit == FIELD_CUSTOM) { + standard_tag = 0; + } - switch (tag) { - case TIFFTAG_SUBFILETYPE: - *va_arg(ap, uint32*) = td->td_subfiletype; - break; - case TIFFTAG_IMAGEWIDTH: - *va_arg(ap, uint32*) = td->td_imagewidth; - break; - case TIFFTAG_IMAGELENGTH: - *va_arg(ap, uint32*) = td->td_imagelength; - break; - case TIFFTAG_BITSPERSAMPLE: - *va_arg(ap, uint16*) = td->td_bitspersample; - break; - case TIFFTAG_COMPRESSION: - *va_arg(ap, uint16*) = td->td_compression; - break; - case TIFFTAG_PHOTOMETRIC: - *va_arg(ap, uint16*) = td->td_photometric; - break; - case TIFFTAG_THRESHHOLDING: - *va_arg(ap, uint16*) = td->td_threshholding; - break; - case TIFFTAG_FILLORDER: - *va_arg(ap, uint16*) = td->td_fillorder; - break; - case TIFFTAG_ORIENTATION: - *va_arg(ap, uint16*) = td->td_orientation; - break; - case TIFFTAG_SAMPLESPERPIXEL: - *va_arg(ap, uint16*) = td->td_samplesperpixel; - break; - case TIFFTAG_ROWSPERSTRIP: - *va_arg(ap, uint32*) = td->td_rowsperstrip; - break; - case TIFFTAG_MINSAMPLEVALUE: - *va_arg(ap, uint16*) = td->td_minsamplevalue; - break; - case TIFFTAG_MAXSAMPLEVALUE: - *va_arg(ap, uint16*) = td->td_maxsamplevalue; - break; - case TIFFTAG_SMINSAMPLEVALUE: - *va_arg(ap, double*) = td->td_sminsamplevalue; - break; - case TIFFTAG_SMAXSAMPLEVALUE: - *va_arg(ap, double*) = td->td_smaxsamplevalue; - break; - case TIFFTAG_XRESOLUTION: - *va_arg(ap, float*) = td->td_xresolution; - break; - case TIFFTAG_YRESOLUTION: - *va_arg(ap, float*) = td->td_yresolution; - break; - case TIFFTAG_PLANARCONFIG: - *va_arg(ap, uint16*) = td->td_planarconfig; - break; - case TIFFTAG_XPOSITION: - *va_arg(ap, float*) = td->td_xposition; - break; - case TIFFTAG_YPOSITION: - *va_arg(ap, float*) = td->td_yposition; - break; - case TIFFTAG_RESOLUTIONUNIT: - *va_arg(ap, uint16*) = td->td_resolutionunit; - break; - case TIFFTAG_PAGENUMBER: - *va_arg(ap, uint16*) = td->td_pagenumber[0]; - *va_arg(ap, uint16*) = td->td_pagenumber[1]; - break; - case TIFFTAG_HALFTONEHINTS: - *va_arg(ap, uint16*) = td->td_halftonehints[0]; - *va_arg(ap, uint16*) = td->td_halftonehints[1]; - break; - case TIFFTAG_COLORMAP: - *va_arg(ap, uint16**) = td->td_colormap[0]; - *va_arg(ap, uint16**) = td->td_colormap[1]; - *va_arg(ap, uint16**) = td->td_colormap[2]; - break; - case TIFFTAG_STRIPOFFSETS: - case TIFFTAG_TILEOFFSETS: - *va_arg(ap, uint32**) = td->td_stripoffset; - break; - case TIFFTAG_STRIPBYTECOUNTS: - case TIFFTAG_TILEBYTECOUNTS: - *va_arg(ap, uint32**) = td->td_stripbytecount; - break; - case TIFFTAG_MATTEING: - *va_arg(ap, uint16*) = - (td->td_extrasamples == 1 && - td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA); - break; - case TIFFTAG_EXTRASAMPLES: - *va_arg(ap, uint16*) = td->td_extrasamples; - *va_arg(ap, uint16**) = td->td_sampleinfo; - break; - case TIFFTAG_TILEWIDTH: - *va_arg(ap, uint32*) = td->td_tilewidth; - break; - case TIFFTAG_TILELENGTH: - *va_arg(ap, uint32*) = td->td_tilelength; - break; - case TIFFTAG_TILEDEPTH: - *va_arg(ap, uint32*) = td->td_tiledepth; - break; - case TIFFTAG_DATATYPE: - switch (td->td_sampleformat) { - case SAMPLEFORMAT_UINT: - *va_arg(ap, uint16*) = DATATYPE_UINT; - break; - case SAMPLEFORMAT_INT: - *va_arg(ap, uint16*) = DATATYPE_INT; - break; - case SAMPLEFORMAT_IEEEFP: - *va_arg(ap, uint16*) = DATATYPE_IEEEFP; - break; - case SAMPLEFORMAT_VOID: - *va_arg(ap, uint16*) = DATATYPE_VOID; - break; - } - break; - case TIFFTAG_SAMPLEFORMAT: - *va_arg(ap, uint16*) = td->td_sampleformat; - break; - case TIFFTAG_IMAGEDEPTH: - *va_arg(ap, uint32*) = td->td_imagedepth; - break; - case TIFFTAG_SUBIFD: - *va_arg(ap, uint16*) = td->td_nsubifd; - *va_arg(ap, uint32**) = td->td_subifd; - break; - case TIFFTAG_YCBCRPOSITIONING: - *va_arg(ap, uint16*) = td->td_ycbcrpositioning; - break; - case TIFFTAG_YCBCRSUBSAMPLING: - *va_arg(ap, uint16*) = td->td_ycbcrsubsampling[0]; - *va_arg(ap, uint16*) = td->td_ycbcrsubsampling[1]; - break; - case TIFFTAG_TRANSFERFUNCTION: - *va_arg(ap, uint16**) = td->td_transferfunction[0]; - if (td->td_samplesperpixel - td->td_extrasamples > 1) { - *va_arg(ap, uint16**) = td->td_transferfunction[1]; - *va_arg(ap, uint16**) = td->td_transferfunction[2]; - } - break; - case TIFFTAG_INKNAMES: - *va_arg(ap, char**) = td->td_inknames; - break; - default: - { - const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); - int i; - - /* - * This can happen if multiple images are open with different - * codecs which have private tags. The global tag information - * table may then have tags that are valid for one file but not - * the other. If the client tries to get a tag that is not valid - * for the image's codec then we'll arrive here. - */ - if( fip == NULL || fip->field_bit != FIELD_CUSTOM ) - { - TIFFErrorExt(tif->tif_clientdata, "_TIFFVGetField", - "%s: Invalid %stag \"%s\" " - "(not supported by codec)", - tif->tif_name, - isPseudoTag(tag) ? "pseudo-" : "", - fip ? fip->field_name : "Unknown"); - ret_val = 0; - break; - } + switch (standard_tag) { + case TIFFTAG_SUBFILETYPE: + *va_arg(ap, uint32*) = td->td_subfiletype; + break; + case TIFFTAG_IMAGEWIDTH: + *va_arg(ap, uint32*) = td->td_imagewidth; + break; + case TIFFTAG_IMAGELENGTH: + *va_arg(ap, uint32*) = td->td_imagelength; + break; + case TIFFTAG_BITSPERSAMPLE: + *va_arg(ap, uint16*) = td->td_bitspersample; + break; + case TIFFTAG_COMPRESSION: + *va_arg(ap, uint16*) = td->td_compression; + break; + case TIFFTAG_PHOTOMETRIC: + *va_arg(ap, uint16*) = td->td_photometric; + break; + case TIFFTAG_THRESHHOLDING: + *va_arg(ap, uint16*) = td->td_threshholding; + break; + case TIFFTAG_FILLORDER: + *va_arg(ap, uint16*) = td->td_fillorder; + break; + case TIFFTAG_ORIENTATION: + *va_arg(ap, uint16*) = td->td_orientation; + break; + case TIFFTAG_SAMPLESPERPIXEL: + *va_arg(ap, uint16*) = td->td_samplesperpixel; + break; + case TIFFTAG_ROWSPERSTRIP: + *va_arg(ap, uint32*) = td->td_rowsperstrip; + break; + case TIFFTAG_MINSAMPLEVALUE: + *va_arg(ap, uint16*) = td->td_minsamplevalue; + break; + case TIFFTAG_MAXSAMPLEVALUE: + *va_arg(ap, uint16*) = td->td_maxsamplevalue; + break; + case TIFFTAG_SMINSAMPLEVALUE: + if (tif->tif_flags & TIFF_PERSAMPLE) + *va_arg(ap, double**) = td->td_sminsamplevalue; + else + { + /* libtiff historially treats this as a single value. */ + uint16 i; + double v = td->td_sminsamplevalue[0]; + for (i=1; i < td->td_samplesperpixel; ++i) + if( td->td_sminsamplevalue[i] < v ) + v = td->td_sminsamplevalue[i]; + *va_arg(ap, double*) = v; + } + break; + case TIFFTAG_SMAXSAMPLEVALUE: + if (tif->tif_flags & TIFF_PERSAMPLE) + *va_arg(ap, double**) = td->td_smaxsamplevalue; + else + { + /* libtiff historially treats this as a single value. */ + uint16 i; + double v = td->td_smaxsamplevalue[0]; + for (i=1; i < td->td_samplesperpixel; ++i) + if( td->td_smaxsamplevalue[i] > v ) + v = td->td_smaxsamplevalue[i]; + *va_arg(ap, double*) = v; + } + break; + case TIFFTAG_XRESOLUTION: + *va_arg(ap, float*) = td->td_xresolution; + break; + case TIFFTAG_YRESOLUTION: + *va_arg(ap, float*) = td->td_yresolution; + break; + case TIFFTAG_PLANARCONFIG: + *va_arg(ap, uint16*) = td->td_planarconfig; + break; + case TIFFTAG_XPOSITION: + *va_arg(ap, float*) = td->td_xposition; + break; + case TIFFTAG_YPOSITION: + *va_arg(ap, float*) = td->td_yposition; + break; + case TIFFTAG_RESOLUTIONUNIT: + *va_arg(ap, uint16*) = td->td_resolutionunit; + break; + case TIFFTAG_PAGENUMBER: + *va_arg(ap, uint16*) = td->td_pagenumber[0]; + *va_arg(ap, uint16*) = td->td_pagenumber[1]; + break; + case TIFFTAG_HALFTONEHINTS: + *va_arg(ap, uint16*) = td->td_halftonehints[0]; + *va_arg(ap, uint16*) = td->td_halftonehints[1]; + break; + case TIFFTAG_COLORMAP: + *va_arg(ap, uint16**) = td->td_colormap[0]; + *va_arg(ap, uint16**) = td->td_colormap[1]; + *va_arg(ap, uint16**) = td->td_colormap[2]; + break; + case TIFFTAG_STRIPOFFSETS: + case TIFFTAG_TILEOFFSETS: + _TIFFFillStriles( tif ); + *va_arg(ap, uint64**) = td->td_stripoffset; + break; + case TIFFTAG_STRIPBYTECOUNTS: + case TIFFTAG_TILEBYTECOUNTS: + _TIFFFillStriles( tif ); + *va_arg(ap, uint64**) = td->td_stripbytecount; + break; + case TIFFTAG_MATTEING: + *va_arg(ap, uint16*) = + (td->td_extrasamples == 1 && + td->td_sampleinfo[0] == EXTRASAMPLE_ASSOCALPHA); + break; + case TIFFTAG_EXTRASAMPLES: + *va_arg(ap, uint16*) = td->td_extrasamples; + *va_arg(ap, uint16**) = td->td_sampleinfo; + break; + case TIFFTAG_TILEWIDTH: + *va_arg(ap, uint32*) = td->td_tilewidth; + break; + case TIFFTAG_TILELENGTH: + *va_arg(ap, uint32*) = td->td_tilelength; + break; + case TIFFTAG_TILEDEPTH: + *va_arg(ap, uint32*) = td->td_tiledepth; + break; + case TIFFTAG_DATATYPE: + switch (td->td_sampleformat) { + case SAMPLEFORMAT_UINT: + *va_arg(ap, uint16*) = DATATYPE_UINT; + break; + case SAMPLEFORMAT_INT: + *va_arg(ap, uint16*) = DATATYPE_INT; + break; + case SAMPLEFORMAT_IEEEFP: + *va_arg(ap, uint16*) = DATATYPE_IEEEFP; + break; + case SAMPLEFORMAT_VOID: + *va_arg(ap, uint16*) = DATATYPE_VOID; + break; + } + break; + case TIFFTAG_SAMPLEFORMAT: + *va_arg(ap, uint16*) = td->td_sampleformat; + break; + case TIFFTAG_IMAGEDEPTH: + *va_arg(ap, uint32*) = td->td_imagedepth; + break; + case TIFFTAG_SUBIFD: + *va_arg(ap, uint16*) = td->td_nsubifd; + *va_arg(ap, uint64**) = td->td_subifd; + break; + case TIFFTAG_YCBCRPOSITIONING: + *va_arg(ap, uint16*) = td->td_ycbcrpositioning; + break; + case TIFFTAG_YCBCRSUBSAMPLING: + *va_arg(ap, uint16*) = td->td_ycbcrsubsampling[0]; + *va_arg(ap, uint16*) = td->td_ycbcrsubsampling[1]; + break; + case TIFFTAG_TRANSFERFUNCTION: + *va_arg(ap, uint16**) = td->td_transferfunction[0]; + if (td->td_samplesperpixel - td->td_extrasamples > 1) { + *va_arg(ap, uint16**) = td->td_transferfunction[1]; + *va_arg(ap, uint16**) = td->td_transferfunction[2]; + } + break; + case TIFFTAG_REFERENCEBLACKWHITE: + *va_arg(ap, float**) = td->td_refblackwhite; + break; + case TIFFTAG_INKNAMES: + *va_arg(ap, char**) = td->td_inknames; + break; + default: + { + int i; - /* - * Do we have a custom value? - */ - ret_val = 0; - for (i = 0; i < td->td_customValueCount; i++) { - TIFFTagValue *tv = td->td_customValues + i; + /* + * This can happen if multiple images are open + * with different codecs which have private + * tags. The global tag information table may + * then have tags that are valid for one file + * but not the other. If the client tries to + * get a tag that is not valid for the image's + * codec then we'll arrive here. + */ + if( fip == NULL || fip->field_bit != FIELD_CUSTOM ) + { + TIFFErrorExt(tif->tif_clientdata, "_TIFFVGetField", + "%s: Invalid %stag \"%s\" " + "(not supported by codec)", + tif->tif_name, + isPseudoTag(tag) ? "pseudo-" : "", + fip ? fip->field_name : "Unknown"); + ret_val = 0; + break; + } - if (tv->info->field_tag != tag) - continue; - - if (fip->field_passcount) { - if (fip->field_readcount == TIFF_VARIABLE2) - *va_arg(ap, uint32*) = (uint32)tv->count; - else /* Assume TIFF_VARIABLE */ - *va_arg(ap, uint16*) = (uint16)tv->count; - *va_arg(ap, void **) = tv->value; - ret_val = 1; - } else { - if ((fip->field_type == TIFF_ASCII - || fip->field_readcount == TIFF_VARIABLE - || fip->field_readcount == TIFF_VARIABLE2 - || fip->field_readcount == TIFF_SPP - || tv->count > 1) - && fip->field_tag != TIFFTAG_PAGENUMBER - && fip->field_tag != TIFFTAG_HALFTONEHINTS - && fip->field_tag != TIFFTAG_YCBCRSUBSAMPLING - && fip->field_tag != TIFFTAG_DOTRANGE) { - *va_arg(ap, void **) = tv->value; - ret_val = 1; - } else { - int j; - char *val = (char *)tv->value; + /* + * Do we have a custom value? + */ + ret_val = 0; + for (i = 0; i < td->td_customValueCount; i++) { + TIFFTagValue *tv = td->td_customValues + i; - for (j = 0; j < tv->count; - j++, val += _TIFFDataSize(tv->info->field_type)) { - switch (fip->field_type) { - case TIFF_BYTE: - case TIFF_UNDEFINED: - *va_arg(ap, uint8*) = - *(uint8 *)val; - ret_val = 1; - break; - case TIFF_SBYTE: - *va_arg(ap, int8*) = - *(int8 *)val; - ret_val = 1; - break; - case TIFF_SHORT: - *va_arg(ap, uint16*) = - *(uint16 *)val; - ret_val = 1; - break; - case TIFF_SSHORT: - *va_arg(ap, int16*) = - *(int16 *)val; - ret_val = 1; - break; - case TIFF_LONG: - case TIFF_IFD: - *va_arg(ap, uint32*) = - *(uint32 *)val; - ret_val = 1; - break; - case TIFF_SLONG: - *va_arg(ap, int32*) = - *(int32 *)val; - ret_val = 1; - break; - case TIFF_RATIONAL: - case TIFF_SRATIONAL: - case TIFF_FLOAT: - *va_arg(ap, float*) = - *(float *)val; + if (tv->info->field_tag != tag) + continue; + + if (fip->field_passcount) { + if (fip->field_readcount == TIFF_VARIABLE2) + *va_arg(ap, uint32*) = (uint32)tv->count; + else /* Assume TIFF_VARIABLE */ + *va_arg(ap, uint16*) = (uint16)tv->count; + *va_arg(ap, void **) = tv->value; ret_val = 1; - break; - case TIFF_DOUBLE: - *va_arg(ap, double*) = - *(double *)val; + } else if (fip->field_tag == TIFFTAG_DOTRANGE + && strcmp(fip->field_name,"DotRange") == 0) { + /* TODO: This is an evil exception and should not have been + handled this way ... likely best if we move it into + the directory structure with an explicit field in + libtiff 4.1 and assign it a FIELD_ value */ + *va_arg(ap, uint16*) = ((uint16 *)tv->value)[0]; + *va_arg(ap, uint16*) = ((uint16 *)tv->value)[1]; ret_val = 1; - break; - default: - ret_val = 0; - break; + } else { + if (fip->field_type == TIFF_ASCII + || fip->field_readcount == TIFF_VARIABLE + || fip->field_readcount == TIFF_VARIABLE2 + || fip->field_readcount == TIFF_SPP + || tv->count > 1) { + *va_arg(ap, void **) = tv->value; + ret_val = 1; + } else { + char *val = (char *)tv->value; + assert( tv->count == 1 ); + switch (fip->field_type) { + case TIFF_BYTE: + case TIFF_UNDEFINED: + *va_arg(ap, uint8*) = + *(uint8 *)val; + ret_val = 1; + break; + case TIFF_SBYTE: + *va_arg(ap, int8*) = + *(int8 *)val; + ret_val = 1; + break; + case TIFF_SHORT: + *va_arg(ap, uint16*) = + *(uint16 *)val; + ret_val = 1; + break; + case TIFF_SSHORT: + *va_arg(ap, int16*) = + *(int16 *)val; + ret_val = 1; + break; + case TIFF_LONG: + case TIFF_IFD: + *va_arg(ap, uint32*) = + *(uint32 *)val; + ret_val = 1; + break; + case TIFF_SLONG: + *va_arg(ap, int32*) = + *(int32 *)val; + ret_val = 1; + break; + case TIFF_LONG8: + case TIFF_IFD8: + *va_arg(ap, uint64*) = + *(uint64 *)val; + ret_val = 1; + break; + case TIFF_SLONG8: + *va_arg(ap, int64*) = + *(int64 *)val; + ret_val = 1; + break; + case TIFF_RATIONAL: + case TIFF_SRATIONAL: + case TIFF_FLOAT: + *va_arg(ap, float*) = + *(float *)val; + ret_val = 1; + break; + case TIFF_DOUBLE: + *va_arg(ap, double*) = + *(double *)val; + ret_val = 1; + break; + default: + ret_val = 0; + break; + } + } + } + break; } - } } - } - break; - } - } - } - return(ret_val); + } + return(ret_val); } /* @@ -941,7 +1129,7 @@ _TIFFVGetField(TIFF* tif, ttag_t tag, va_list ap) * internal directory structure. */ int -TIFFGetField(TIFF* tif, ttag_t tag, ...) +TIFFGetField(TIFF* tif, uint32 tag, ...) { int status; va_list ap; @@ -959,9 +1147,9 @@ TIFFGetField(TIFF* tif, ttag_t tag, ...) * top of the library. */ int -TIFFVGetField(TIFF* tif, ttag_t tag, va_list ap) +TIFFVGetField(TIFF* tif, uint32 tag, va_list ap) { - const TIFFFieldInfo* fip = _TIFFFindFieldInfo(tif, tag, TIFF_ANY); + const TIFFField* fip = TIFFFindField(tif, tag, TIFF_ANY); return (fip && (isPseudoTag(tag) || TIFFFieldSet(tif, fip->field_bit)) ? (*tif->tif_tagmethods.vgetfield)(tif, tag, ap) : 0); } @@ -983,12 +1171,15 @@ TIFFFreeDirectory(TIFF* tif) int i; _TIFFmemset(td->td_fieldsset, 0, FIELD_SETLONGS); + CleanupField(td_sminsamplevalue); + CleanupField(td_smaxsamplevalue); CleanupField(td_colormap[0]); CleanupField(td_colormap[1]); CleanupField(td_colormap[2]); CleanupField(td_sampleinfo); CleanupField(td_subifd); CleanupField(td_inknames); + CleanupField(td_refblackwhite); CleanupField(td_transferfunction[0]); CleanupField(td_transferfunction[1]); CleanupField(td_transferfunction[2]); @@ -1005,6 +1196,11 @@ TIFFFreeDirectory(TIFF* tif) td->td_customValueCount = 0; CleanupField(td_customValues); + +#if defined(DEFER_STRILE_LOAD) + _TIFFmemset( &(td->td_stripoffset_entry), 0, sizeof(TIFFDirEntry)); + _TIFFmemset( &(td->td_stripbytecount_entry), 0, sizeof(TIFFDirEntry)); +#endif } #undef CleanupField @@ -1031,14 +1227,43 @@ TIFFSetTagExtender(TIFFExtendProc extender) int TIFFCreateDirectory(TIFF* tif) { - TIFFDefaultDirectory(tif); - tif->tif_diroff = 0; - tif->tif_nextdiroff = 0; - tif->tif_curoff = 0; - tif->tif_row = (uint32) -1; - tif->tif_curstrip = (tstrip_t) -1; - - return 0; + TIFFDefaultDirectory(tif); + tif->tif_diroff = 0; + tif->tif_nextdiroff = 0; + tif->tif_curoff = 0; + tif->tif_row = (uint32) -1; + tif->tif_curstrip = (uint32) -1; + + return 0; +} + +int +TIFFCreateCustomDirectory(TIFF* tif, const TIFFFieldArray* infoarray) +{ + TIFFDefaultDirectory(tif); + + /* + * Reset the field definitions to match the application provided list. + * Hopefully TIFFDefaultDirectory() won't have done anything irreversable + * based on it's assumption this is an image directory. + */ + _TIFFSetupFields(tif, infoarray); + + tif->tif_diroff = 0; + tif->tif_nextdiroff = 0; + tif->tif_curoff = 0; + tif->tif_row = (uint32) -1; + tif->tif_curstrip = (uint32) -1; + + return 0; +} + +int +TIFFCreateEXIFDirectory(TIFF* tif) +{ + const TIFFFieldArray* exifFieldArray; + exifFieldArray = _TIFFGetExifFields(); + return TIFFCreateCustomDirectory(tif, exifFieldArray); } /* @@ -1048,11 +1273,10 @@ int TIFFDefaultDirectory(TIFF* tif) { register TIFFDirectory* td = &tif->tif_dir; + const TIFFFieldArray* tiffFieldArray; - size_t tiffFieldInfoCount; - const TIFFFieldInfo *tiffFieldInfo = - _TIFFGetFieldInfo(&tiffFieldInfoCount); - _TIFFSetupFieldInfo(tif, tiffFieldInfo, tiffFieldInfoCount); + tiffFieldArray = _TIFFGetFields(); + _TIFFSetupFields(tif, tiffFieldArray); _TIFFmemset(td, 0, sizeof (*td)); td->td_fillorder = FILLORDER_MSB2LSB; @@ -1064,16 +1288,16 @@ TIFFDefaultDirectory(TIFF* tif) td->td_tilewidth = 0; td->td_tilelength = 0; td->td_tiledepth = 1; - td->td_stripbytecountsorted = 1; /* Our own arrays always sorted. */ + td->td_stripbytecountsorted = 1; /* Our own arrays always sorted. */ td->td_resolutionunit = RESUNIT_INCH; td->td_sampleformat = SAMPLEFORMAT_UINT; td->td_imagedepth = 1; td->td_ycbcrsubsampling[0] = 2; td->td_ycbcrsubsampling[1] = 2; td->td_ycbcrpositioning = YCBCRPOSITION_CENTERED; - tif->tif_postdecode = _TIFFNoPostDecode; + tif->tif_postdecode = _TIFFNoPostDecode; tif->tif_foundfield = NULL; - tif->tif_tagmethods.vsetfield = _TIFFVSetField; + tif->tif_tagmethods.vsetfield = _TIFFVSetField; tif->tif_tagmethods.vgetfield = _TIFFVGetField; tif->tif_tagmethods.printdir = NULL; /* @@ -1104,59 +1328,138 @@ TIFFDefaultDirectory(TIFF* tif) } static int -TIFFAdvanceDirectory(TIFF* tif, uint32* nextdir, toff_t* off) +TIFFAdvanceDirectory(TIFF* tif, uint64* nextdir, uint64* off) { static const char module[] = "TIFFAdvanceDirectory"; - uint16 dircount; if (isMapped(tif)) { - toff_t poff=*nextdir; - if (poff+sizeof(uint16) > tif->tif_size) + uint64 poff=*nextdir; + if (!(tif->tif_flags&TIFF_BIGTIFF)) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory count", - tif->tif_name); - return (0); + tmsize_t poffa,poffb,poffc,poffd; + uint16 dircount; + uint32 nextdir32; + poffa=(tmsize_t)poff; + poffb=poffa+sizeof(uint16); + if (((uint64)poffa!=poff)||(poffb<poffa)||(poffb<(tmsize_t)sizeof(uint16))||(poffb>tif->tif_size)) + { + TIFFErrorExt(tif->tif_clientdata,module,"Error fetching directory count"); + return(0); + } + _TIFFmemcpy(&dircount,tif->tif_base+poffa,sizeof(uint16)); + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabShort(&dircount); + poffc=poffb+dircount*12; + poffd=poffc+sizeof(uint32); + if ((poffc<poffb)||(poffc<dircount*12)||(poffd<poffc)||(poffd<(tmsize_t)sizeof(uint32))||(poffd>tif->tif_size)) + { + TIFFErrorExt(tif->tif_clientdata,module,"Error fetching directory link"); + return(0); + } + if (off!=NULL) + *off=(uint64)poffc; + _TIFFmemcpy(&nextdir32,tif->tif_base+poffc,sizeof(uint32)); + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabLong(&nextdir32); + *nextdir=nextdir32; } - _TIFFmemcpy(&dircount, tif->tif_base+poff, sizeof (uint16)); - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabShort(&dircount); - poff+=sizeof (uint16)+dircount*sizeof (TIFFDirEntry); - if (off != NULL) - *off = poff; - if (((toff_t) (poff+sizeof (uint32))) > tif->tif_size) + else { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory link", - tif->tif_name); - return (0); + tmsize_t poffa,poffb,poffc,poffd; + uint64 dircount64; + uint16 dircount16; + poffa=(tmsize_t)poff; + poffb=poffa+sizeof(uint64); + if (((uint64)poffa!=poff)||(poffb<poffa)||(poffb<(tmsize_t)sizeof(uint64))||(poffb>tif->tif_size)) + { + TIFFErrorExt(tif->tif_clientdata,module,"Error fetching directory count"); + return(0); + } + _TIFFmemcpy(&dircount64,tif->tif_base+poffa,sizeof(uint64)); + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabLong8(&dircount64); + if (dircount64>0xFFFF) + { + TIFFErrorExt(tif->tif_clientdata,module,"Sanity check on directory count failed"); + return(0); + } + dircount16=(uint16)dircount64; + poffc=poffb+dircount16*20; + poffd=poffc+sizeof(uint64); + if ((poffc<poffb)||(poffc<dircount16*20)||(poffd<poffc)||(poffd<(tmsize_t)sizeof(uint64))||(poffd>tif->tif_size)) + { + TIFFErrorExt(tif->tif_clientdata,module,"Error fetching directory link"); + return(0); + } + if (off!=NULL) + *off=(uint64)poffc; + _TIFFmemcpy(nextdir,tif->tif_base+poffc,sizeof(uint64)); + if (tif->tif_flags&TIFF_SWAB) + TIFFSwabLong8(nextdir); } - _TIFFmemcpy(nextdir, tif->tif_base+poff, sizeof (uint32)); - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabLong(nextdir); - return (1); + return(1); } else { - if (!SeekOK(tif, *nextdir) || - !ReadOK(tif, &dircount, sizeof (uint16))) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory count", - tif->tif_name); - return (0); + if (!(tif->tif_flags&TIFF_BIGTIFF)) + { + uint16 dircount; + uint32 nextdir32; + if (!SeekOK(tif, *nextdir) || + !ReadOK(tif, &dircount, sizeof (uint16))) { + TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory count", + tif->tif_name); + return (0); + } + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabShort(&dircount); + if (off != NULL) + *off = TIFFSeekFile(tif, + dircount*12, SEEK_CUR); + else + (void) TIFFSeekFile(tif, + dircount*12, SEEK_CUR); + if (!ReadOK(tif, &nextdir32, sizeof (uint32))) { + TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory link", + tif->tif_name); + return (0); + } + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabLong(&nextdir32); + *nextdir=nextdir32; } - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabShort(&dircount); - if (off != NULL) - *off = TIFFSeekFile(tif, - dircount*sizeof (TIFFDirEntry), SEEK_CUR); else - (void) TIFFSeekFile(tif, - dircount*sizeof (TIFFDirEntry), SEEK_CUR); - if (!ReadOK(tif, nextdir, sizeof (uint32))) { - TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory link", - tif->tif_name); - return (0); + { + uint64 dircount64; + uint16 dircount16; + if (!SeekOK(tif, *nextdir) || + !ReadOK(tif, &dircount64, sizeof (uint64))) { + TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory count", + tif->tif_name); + return (0); + } + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabLong8(&dircount64); + if (dircount64>0xFFFF) + { + TIFFErrorExt(tif->tif_clientdata, module, "Error fetching directory count"); + return(0); + } + dircount16 = (uint16)dircount64; + if (off != NULL) + *off = TIFFSeekFile(tif, + dircount16*20, SEEK_CUR); + else + (void) TIFFSeekFile(tif, + dircount16*20, SEEK_CUR); + if (!ReadOK(tif, nextdir, sizeof (uint64))) { + TIFFErrorExt(tif->tif_clientdata, module, "%s: Error fetching directory link", + tif->tif_name); + return (0); + } + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabLong8(nextdir); } - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabLong(nextdir); return (1); } } @@ -1164,15 +1467,19 @@ TIFFAdvanceDirectory(TIFF* tif, uint32* nextdir, toff_t* off) /* * Count the number of directories in a file. */ -tdir_t +uint16 TIFFNumberOfDirectories(TIFF* tif) { - toff_t nextdir = tif->tif_header.tiff_diroff; - tdir_t n = 0; - - while (nextdir != 0 && TIFFAdvanceDirectory(tif, &nextdir, NULL)) - n++; - return (n); + uint64 nextdir; + uint16 n; + if (!(tif->tif_flags&TIFF_BIGTIFF)) + nextdir = tif->tif_header.classic.tiff_diroff; + else + nextdir = tif->tif_header.big.tiff_diroff; + n = 0; + while (nextdir != 0 && TIFFAdvanceDirectory(tif, &nextdir, NULL)) + n++; + return (n); } /* @@ -1180,12 +1487,15 @@ TIFFNumberOfDirectories(TIFF* tif) * NB: Directories are numbered starting at 0. */ int -TIFFSetDirectory(TIFF* tif, tdir_t dirn) +TIFFSetDirectory(TIFF* tif, uint16 dirn) { - toff_t nextdir; - tdir_t n; + uint64 nextdir; + uint16 n; - nextdir = tif->tif_header.tiff_diroff; + if (!(tif->tif_flags&TIFF_BIGTIFF)) + nextdir = tif->tif_header.classic.tiff_diroff; + else + nextdir = tif->tif_header.big.tiff_diroff; for (n = dirn; n > 0 && nextdir != 0; n--) if (!TIFFAdvanceDirectory(tif, &nextdir, NULL)) return (0); @@ -1211,7 +1521,7 @@ TIFFSetDirectory(TIFF* tif, tdir_t dirn) * the SubIFD tag (e.g. thumbnail images). */ int -TIFFSetSubDirectory(TIFF* tif, uint32 diroff) +TIFFSetSubDirectory(TIFF* tif, uint64 diroff) { tif->tif_nextdiroff = diroff; /* @@ -1225,7 +1535,7 @@ TIFFSetSubDirectory(TIFF* tif, uint32 diroff) /* * Return file offset of the current directory. */ -uint32 +uint64 TIFFCurrentDirOffset(TIFF* tif) { return (tif->tif_diroff); @@ -1245,12 +1555,12 @@ TIFFLastDirectory(TIFF* tif) * Unlink the specified directory from the directory chain. */ int -TIFFUnlinkDirectory(TIFF* tif, tdir_t dirn) +TIFFUnlinkDirectory(TIFF* tif, uint16 dirn) { static const char module[] = "TIFFUnlinkDirectory"; - toff_t nextdir; - toff_t off; - tdir_t n; + uint64 nextdir; + uint64 off; + uint16 n; if (tif->tif_mode == O_RDONLY) { TIFFErrorExt(tif->tif_clientdata, module, @@ -1262,8 +1572,16 @@ TIFFUnlinkDirectory(TIFF* tif, tdir_t dirn) * to unlink and nab the offset of the link * field we'll need to patch. */ - nextdir = tif->tif_header.tiff_diroff; - off = sizeof (uint16) + sizeof (uint16); + if (!(tif->tif_flags&TIFF_BIGTIFF)) + { + nextdir = tif->tif_header.classic.tiff_diroff; + off = 4; + } + else + { + nextdir = tif->tif_header.big.tiff_diroff; + off = 8; + } for (n = dirn-1; n > 0; n--) { if (nextdir == 0) { TIFFErrorExt(tif->tif_clientdata, module, "Directory %d does not exist", dirn); @@ -1284,11 +1602,26 @@ TIFFUnlinkDirectory(TIFF* tif, tdir_t dirn) * that follows. */ (void) TIFFSeekFile(tif, off, SEEK_SET); - if (tif->tif_flags & TIFF_SWAB) - TIFFSwabLong(&nextdir); - if (!WriteOK(tif, &nextdir, sizeof (uint32))) { - TIFFErrorExt(tif->tif_clientdata, module, "Error writing directory link"); - return (0); + if (!(tif->tif_flags&TIFF_BIGTIFF)) + { + uint32 nextdir32; + nextdir32=(uint32)nextdir; + assert((uint64)nextdir32==nextdir); + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabLong(&nextdir32); + if (!WriteOK(tif, &nextdir32, sizeof (uint32))) { + TIFFErrorExt(tif->tif_clientdata, module, "Error writing directory link"); + return (0); + } + } + else + { + if (tif->tif_flags & TIFF_SWAB) + TIFFSwabLong8(&nextdir); + if (!WriteOK(tif, &nextdir, sizeof (uint64))) { + TIFFErrorExt(tif->tif_clientdata, module, "Error writing directory link"); + return (0); + } } /* * Leave directory state setup safely. We don't have @@ -1302,68 +1635,25 @@ TIFFUnlinkDirectory(TIFF* tif, tdir_t dirn) _TIFFfree(tif->tif_rawdata); tif->tif_rawdata = NULL; tif->tif_rawcc = 0; + tif->tif_rawdataoff = 0; + tif->tif_rawdataloaded = 0; } - tif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP|TIFF_POSTENCODE); + tif->tif_flags &= ~(TIFF_BEENWRITING|TIFF_BUFFERSETUP|TIFF_POSTENCODE|TIFF_BUF4WRITE); TIFFFreeDirectory(tif); TIFFDefaultDirectory(tif); tif->tif_diroff = 0; /* force link on next write */ tif->tif_nextdiroff = 0; /* next write must be at end */ tif->tif_curoff = 0; tif->tif_row = (uint32) -1; - tif->tif_curstrip = (tstrip_t) -1; + tif->tif_curstrip = (uint32) -1; return (1); } -/* [BFC] - * - * Author: Bruce Cameron <cameron@petris.com> - * - * Set a table of tags that are to be replaced during directory process by the - * 'IGNORE' state - or return TRUE/FALSE for the requested tag such that - * 'ReadDirectory' can use the stored information. - * - * FIXME: this is never used properly. Should be removed in the future. - */ -int -TIFFReassignTagToIgnore (enum TIFFIgnoreSense task, int TIFFtagID) -{ - static int TIFFignoretags [FIELD_LAST]; - static int tagcount = 0 ; - int i; /* Loop index */ - int j; /* Loop index */ - - switch (task) - { - case TIS_STORE: - if ( tagcount < (FIELD_LAST - 1) ) - { - for ( j = 0 ; j < tagcount ; ++j ) - { /* Do not add duplicate tag */ - if ( TIFFignoretags [j] == TIFFtagID ) - return (TRUE) ; - } - TIFFignoretags [tagcount++] = TIFFtagID ; - return (TRUE) ; - } - break ; - - case TIS_EXTRACT: - for ( i = 0 ; i < tagcount ; ++i ) - { - if ( TIFFignoretags [i] == TIFFtagID ) - return (TRUE) ; - } - break; - - case TIS_EMPTY: - tagcount = 0 ; /* Clear the list */ - return (TRUE) ; - - default: - break; - } - - return (FALSE); -} - /* vim: set ts=8 sts=8 sw=8 noet: */ +/* + * Local Variables: + * mode: c + * c-basic-offset: 8 + * fill-column: 78 + * End: + */ |