2 * Copyright (C) 2008 - 2016 The Geeqie Team
4 * Author: Vladimir Nadvornik
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
25 // Don't include the <exiv2/version.hpp> file directly
26 // Early Exiv2 versions didn't have version.hpp and the macros.
27 #include <exiv2/exiv2.hpp>
31 // EXIV2_TEST_VERSION is defined in Exiv2 0.15 and newer.
33 #ifndef EXIV2_TEST_VERSION
34 #define EXIV2_TEST_VERSION(major,minor,patch) \
35 ( EXIV2_VERSION >= EXIV2_MAKE_VERSION(major,minor,patch) )
38 #define EXIV2_TEST_VERSION(major,minor,patch) (false)
41 #if EXIV2_TEST_VERSION(0,27,0)
42 #define HAVE_EXIV2_ERROR_CODE
45 #include <sys/types.h>
51 #if EXIV2_TEST_VERSION(0,27,0)
52 #define EXV_PACKAGE "exiv2"
61 #include "filefilter.h"
62 #include "ui_fileops.h"
67 typedef struct _AltKey AltKey;
72 const gchar *exif_key;
73 const gchar *iptc_key;
76 /* this is a list of keys that should be converted, even with the older Exiv2 which does not support it directly */
77 static const AltKey alt_keys[] = {
78 {"Xmp.tiff.Orientation", "Exif.Image.Orientation", NULL},
79 {"Xmp.dc.title", NULL, "Iptc.Application2.ObjectName" },
80 {"Xmp.photoshop.Urgency", NULL, "Iptc.Application2.Urgency" },
81 {"Xmp.photoshop.Category", NULL, "Iptc.Application2.Category" },
82 {"Xmp.photoshop.SupplementalCategory", NULL, "Iptc.Application2.SuppCategory" },
83 {"Xmp.dc.subject", NULL, "Iptc.Application2.Keywords" },
84 {"Xmp.iptc.Location", NULL, "Iptc.Application2.LocationName" },
85 {"Xmp.photoshop.Instruction", NULL, "Iptc.Application2.SpecialInstructions" },
86 {"Xmp.photoshop.DateCreated", NULL, "Iptc.Application2.DateCreated" },
87 {"Xmp.dc.creator", NULL, "Iptc.Application2.Byline" },
88 {"Xmp.photoshop.AuthorsPosition", NULL, "Iptc.Application2.BylineTitle" },
89 {"Xmp.photoshop.City", NULL, "Iptc.Application2.City" },
90 {"Xmp.photoshop.State", NULL, "Iptc.Application2.ProvinceState" },
91 {"Xmp.iptc.CountryCode", NULL, "Iptc.Application2.CountryCode" },
92 {"Xmp.photoshop.Country", NULL, "Iptc.Application2.CountryName" },
93 {"Xmp.photoshop.TransmissionReference", NULL, "Iptc.Application2.TransmissionReference"},
94 {"Xmp.photoshop.Headline", NULL, "Iptc.Application2.Headline" },
95 {"Xmp.photoshop.Credit", NULL, "Iptc.Application2.Credit" },
96 {"Xmp.photoshop.Source", NULL, "Iptc.Application2.Source" },
97 {"Xmp.dc.rights", NULL, "Iptc.Application2.Copyright" },
98 {"Xmp.dc.description", NULL, "Iptc.Application2.Caption" },
99 {"Xmp.photoshop.CaptionWriter", NULL, "Iptc.Application2.Writer" },
103 static void _debug_exception(const char* file,
108 gchar *str = g_locale_from_utf8(e.what(), -1, NULL, NULL, NULL);
109 DEBUG_1("%s:%d:%s:Exiv2: %s", file, line, func, str);
113 #define debug_exception(e) _debug_exception(__FILE__, __LINE__, __func__, e)
117 Exiv2::ExifData::const_iterator exifIter; /* for exif_get_next_item */
118 Exiv2::IptcData::const_iterator iptcIter; /* for exif_get_next_item */
119 #if EXIV2_TEST_VERSION(0,16,0)
120 Exiv2::XmpData::const_iterator xmpIter; /* for exif_get_next_item */
127 virtual void writeMetadata(gchar *path = NULL)
129 g_critical("Unsupported method of writing metadata");
132 virtual ExifData *original()
137 virtual Exiv2::Image *image() = 0;
139 virtual Exiv2::ExifData &exifData() = 0;
141 virtual Exiv2::IptcData &iptcData() = 0;
143 #if EXIV2_TEST_VERSION(0,16,0)
144 virtual Exiv2::XmpData &xmpData() = 0;
147 virtual void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length) = 0;
149 virtual guchar *get_jpeg_color_profile(guint *data_len) = 0;
151 virtual std::string image_comment() const = 0;
153 virtual void set_image_comment(const std::string& comment) = 0;
156 // This allows read-only access to the original metadata
157 struct _ExifDataOriginal : public _ExifData
160 Exiv2::Image::AutoPtr image_;
162 /* the icc profile in jpeg is not technically exif - store it here */
163 unsigned char *cp_data_;
168 Exiv2::ExifData emptyExifData_;
169 Exiv2::IptcData emptyIptcData_;
170 #if EXIV2_TEST_VERSION(0,16,0)
171 Exiv2::XmpData emptyXmpData_;
175 _ExifDataOriginal(Exiv2::Image::AutoPtr image)
183 _ExifDataOriginal(gchar *path)
189 pathl_ = path_from_utf8(path);
192 image_ = Exiv2::ImageFactory::open(pathl_);
193 // g_assert (image.get() != 0);
194 image_->readMetadata();
196 #if EXIV2_TEST_VERSION(0,16,0)
197 if (image_->mimeType() == "application/rdf+xml")
199 //Exiv2 sidecar converts xmp to exif and iptc, we don't want it.
200 image_->clearExifData();
201 image_->clearIptcData();
205 #if EXIV2_TEST_VERSION(0,14,0)
206 if (image_->mimeType() == "image/jpeg")
208 /* try to get jpeg color profile */
209 Exiv2::BasicIo &io = image_->io();
210 gint open = io.isopen();
211 if (!open) io.open();
214 unsigned char *mapped = (unsigned char*)io.mmap();
215 if (mapped) exif_jpeg_parse_color(this, mapped, io.size());
218 if (!open) io.close();
222 catch (Exiv2::AnyError& e)
228 virtual ~_ExifDataOriginal()
230 if (cp_data_) g_free(cp_data_);
231 if (pathl_) g_free(pathl_);
234 virtual Exiv2::Image *image()
236 if (!valid_) return NULL;
240 virtual Exiv2::ExifData &exifData ()
242 if (!valid_) return emptyExifData_;
243 return image_->exifData();
246 virtual Exiv2::IptcData &iptcData ()
248 if (!valid_) return emptyIptcData_;
249 return image_->iptcData();
252 #if EXIV2_TEST_VERSION(0,16,0)
253 virtual Exiv2::XmpData &xmpData ()
255 if (!valid_) return emptyXmpData_;
256 return image_->xmpData();
260 virtual void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length)
262 if (cp_data_) g_free(cp_data_);
264 cp_length_ = cp_length;
267 virtual guchar *get_jpeg_color_profile(guint *data_len)
271 if (data_len) *data_len = cp_length_;
272 return (unsigned char *) g_memdup(cp_data_, cp_length_);
277 virtual std::string image_comment() const
279 return image_.get() ? image_->comment() : "";
282 virtual void set_image_comment(const std::string& comment)
285 image_->setComment(comment);
290 static void _ExifDataProcessed_update_xmp(gpointer key, gpointer value, gpointer data);
293 // This allows read-write access to the metadata
294 struct _ExifDataProcessed : public _ExifData
297 _ExifDataOriginal *imageData_;
298 _ExifDataOriginal *sidecarData_;
300 Exiv2::ExifData exifData_;
301 Exiv2::IptcData iptcData_;
302 #if EXIV2_TEST_VERSION(0,16,0)
303 Exiv2::XmpData xmpData_;
307 _ExifDataProcessed(gchar *path, gchar *sidecar_path, GHashTable *modified_xmp)
309 imageData_ = new _ExifDataOriginal(path);
311 #if EXIV2_TEST_VERSION(0,16,0)
314 sidecarData_ = new _ExifDataOriginal(sidecar_path);
315 xmpData_ = sidecarData_->xmpData();
319 xmpData_ = imageData_->xmpData();
323 exifData_ = imageData_->exifData();
324 iptcData_ = imageData_->iptcData();
325 #if EXIV2_TEST_VERSION(0,17,0)
328 syncExifWithXmp(exifData_, xmpData_);
332 DEBUG_1("Exiv2: Catching bug\n");
337 g_hash_table_foreach(modified_xmp, _ExifDataProcessed_update_xmp, this);
341 virtual ~_ExifDataProcessed()
343 if (imageData_) delete imageData_;
344 if (sidecarData_) delete sidecarData_;
347 virtual ExifData *original()
352 virtual void writeMetadata(gchar *path = NULL)
356 #if EXIV2_TEST_VERSION(0,17,0)
357 if (options->metadata.save_legacy_IPTC)
358 copyXmpToIptc(xmpData_, iptcData_);
362 copyXmpToExif(xmpData_, exifData_);
364 Exiv2::Image *image = imageData_->image();
366 #ifdef HAVE_EXIV2_ERROR_CODE
367 if (!image) throw Exiv2::Error(Exiv2::kerInputDataReadFailed);
369 if (!image) throw Exiv2::Error(21);
371 image->setExifData(exifData_);
372 image->setIptcData(iptcData_);
373 #if EXIV2_TEST_VERSION(0,16,0)
374 image->setXmpData(xmpData_);
376 image->writeMetadata();
380 #if EXIV2_TEST_VERSION(0,17,0)
381 gchar *pathl = path_from_utf8(path);;
383 Exiv2::Image::AutoPtr sidecar = Exiv2::ImageFactory::create(Exiv2::ImageType::xmp, pathl);
387 sidecar->setXmpData(xmpData_);
388 sidecar->writeMetadata();
390 #ifdef HAVE_EXIV2_ERROR_CODE
391 throw Exiv2::Error(Exiv2::kerNotAnImage, "xmp");
393 throw Exiv2::Error(3, "xmp");
399 virtual Exiv2::Image *image()
401 return imageData_->image();
404 virtual Exiv2::ExifData &exifData ()
409 virtual Exiv2::IptcData &iptcData ()
414 #if EXIV2_TEST_VERSION(0,16,0)
415 virtual Exiv2::XmpData &xmpData ()
421 virtual void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length)
423 imageData_->add_jpeg_color_profile(cp_data, cp_length);
426 virtual guchar *get_jpeg_color_profile(guint *data_len)
428 return imageData_->get_jpeg_color_profile(data_len);
431 virtual std::string image_comment() const
433 return imageData_->image_comment();
436 virtual void set_image_comment(const std::string& comment)
438 imageData_->set_image_comment(comment);
450 #ifdef EXV_ENABLE_NLS
451 bind_textdomain_codeset (EXV_PACKAGE, "UTF-8");
457 static void _ExifDataProcessed_update_xmp(gpointer key, gpointer value, gpointer data)
459 exif_update_metadata((ExifData *)data, (gchar *)key, (GList *)value);
462 ExifData *exif_read(gchar *path, gchar *sidecar_path, GHashTable *modified_xmp)
464 DEBUG_1("exif read %s, sidecar: %s", path, sidecar_path ? sidecar_path : "-");
466 return new _ExifDataProcessed(path, sidecar_path, modified_xmp);
468 catch (Exiv2::AnyError& e) {
475 gboolean exif_write(ExifData *exif)
478 exif->writeMetadata();
481 catch (Exiv2::AnyError& e) {
487 gboolean exif_write_sidecar(ExifData *exif, gchar *path)
490 exif->writeMetadata(path);
493 catch (Exiv2::AnyError& e) {
501 void exif_free(ExifData *exif)
504 g_assert(dynamic_cast<_ExifDataProcessed *>(exif)); // this should not be called on ExifDataOriginal
508 ExifData *exif_get_original(ExifData *exif)
510 return exif->original();
514 ExifItem *exif_get_item(ExifData *exif, const gchar *key)
517 Exiv2::Metadatum *item = NULL;
519 Exiv2::ExifKey ekey(key);
520 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
521 if (pos == exif->exifData().end()) return NULL;
524 catch (Exiv2::AnyError& e) {
526 Exiv2::IptcKey ekey(key);
527 Exiv2::IptcData::iterator pos = exif->iptcData().findKey(ekey);
528 if (pos == exif->iptcData().end()) return NULL;
531 catch (Exiv2::AnyError& e) {
532 #if EXIV2_TEST_VERSION(0,16,0)
533 Exiv2::XmpKey ekey(key);
534 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
535 if (pos == exif->xmpData().end()) return NULL;
540 return (ExifItem *)item;
542 catch (Exiv2::AnyError& e) {
548 ExifItem *exif_add_item(ExifData *exif, const gchar *key)
551 Exiv2::Metadatum *item = NULL;
553 Exiv2::ExifKey ekey(key);
554 exif->exifData().add(ekey, NULL);
555 Exiv2::ExifData::iterator pos = exif->exifData().end(); // a hack, there should be a better way to get the currently added item
559 catch (Exiv2::AnyError& e) {
561 Exiv2::IptcKey ekey(key);
562 exif->iptcData().add(ekey, NULL);
563 Exiv2::IptcData::iterator pos = exif->iptcData().end();
567 catch (Exiv2::AnyError& e) {
568 #if EXIV2_TEST_VERSION(0,16,0)
569 Exiv2::XmpKey ekey(key);
570 exif->xmpData().add(ekey, NULL);
571 Exiv2::XmpData::iterator pos = exif->xmpData().end();
577 return (ExifItem *)item;
579 catch (Exiv2::AnyError& e) {
586 ExifItem *exif_get_first_item(ExifData *exif)
589 exif->exifIter = exif->exifData().begin();
590 exif->iptcIter = exif->iptcData().begin();
591 #if EXIV2_TEST_VERSION(0,16,0)
592 exif->xmpIter = exif->xmpData().begin();
594 if (exif->exifIter != exif->exifData().end())
596 const Exiv2::Metadatum *item = &*exif->exifIter;
598 return (ExifItem *)item;
600 if (exif->iptcIter != exif->iptcData().end())
602 const Exiv2::Metadatum *item = &*exif->iptcIter;
604 return (ExifItem *)item;
606 #if EXIV2_TEST_VERSION(0,16,0)
607 if (exif->xmpIter != exif->xmpData().end())
609 const Exiv2::Metadatum *item = &*exif->xmpIter;
611 return (ExifItem *)item;
617 catch (Exiv2::AnyError& e) {
623 ExifItem *exif_get_next_item(ExifData *exif)
626 if (exif->exifIter != exif->exifData().end())
628 const Exiv2::Metadatum *item = &*exif->exifIter;
630 return (ExifItem *)item;
632 if (exif->iptcIter != exif->iptcData().end())
634 const Exiv2::Metadatum *item = &*exif->iptcIter;
636 return (ExifItem *)item;
638 #if EXIV2_TEST_VERSION(0,16,0)
639 if (exif->xmpIter != exif->xmpData().end())
641 const Exiv2::Metadatum *item = &*exif->xmpIter;
643 return (ExifItem *)item;
648 catch (Exiv2::AnyError& e) {
654 char *exif_item_get_tag_name(ExifItem *item)
657 if (!item) return NULL;
658 return g_strdup(((Exiv2::Metadatum *)item)->key().c_str());
660 catch (Exiv2::AnyError& e) {
666 guint exif_item_get_tag_id(ExifItem *item)
670 return ((Exiv2::Metadatum *)item)->tag();
672 catch (Exiv2::AnyError& e) {
678 guint exif_item_get_elements(ExifItem *item)
682 return ((Exiv2::Metadatum *)item)->count();
684 catch (Exiv2::AnyError& e) {
690 char *exif_item_get_data(ExifItem *item, guint *data_len)
694 Exiv2::Metadatum *md = (Exiv2::Metadatum *)item;
695 if (data_len) *data_len = md->size();
696 char *data = (char *)g_malloc(md->size());
697 long res = md->copy((Exiv2::byte *)data, Exiv2::littleEndian /* should not matter */);
698 g_assert(res == md->size());
701 catch (Exiv2::AnyError& e) {
707 char *exif_item_get_description(ExifItem *item)
710 if (!item) return NULL;
711 return utf8_validate_or_convert(((Exiv2::Metadatum *)item)->tagLabel().c_str());
713 catch (std::exception& e) {
714 // debug_exception(e);
720 invalidTypeId, unsignedByte, asciiString, unsignedShort,
721 unsignedLong, unsignedRational, signedByte, undefined,
722 signedShort, signedLong, signedRational, string,
723 date, time, comment, directory,
724 xmpText, xmpAlt, xmpBag, xmpSeq,
728 static guint format_id_trans_tbl [] = {
730 EXIF_FORMAT_BYTE_UNSIGNED,
732 EXIF_FORMAT_SHORT_UNSIGNED,
733 EXIF_FORMAT_LONG_UNSIGNED,
734 EXIF_FORMAT_RATIONAL_UNSIGNED,
736 EXIF_FORMAT_UNDEFINED,
739 EXIF_FORMAT_RATIONAL,
743 EXIF_FORMAT_UNDEFINED,
752 guint exif_item_get_format_id(ExifItem *item)
755 if (!item) return EXIF_FORMAT_UNKNOWN;
756 guint id = ((Exiv2::Metadatum *)item)->typeId();
757 if (id >= (sizeof(format_id_trans_tbl) / sizeof(format_id_trans_tbl[0])) ) return EXIF_FORMAT_UNKNOWN;
758 return format_id_trans_tbl[id];
760 catch (Exiv2::AnyError& e) {
762 return EXIF_FORMAT_UNKNOWN;
766 const char *exif_item_get_format_name(ExifItem *item, gboolean brief)
769 if (!item) return NULL;
770 return ((Exiv2::Metadatum *)item)->typeName();
772 catch (Exiv2::AnyError& e) {
779 gchar *exif_item_get_data_as_text(ExifItem *item)
782 if (!item) return NULL;
783 Exiv2::Metadatum *metadatum = (Exiv2::Metadatum *)item;
784 #if EXIV2_TEST_VERSION(0,17,0)
785 return utf8_validate_or_convert(metadatum->print().c_str());
787 std::stringstream str;
788 Exiv2::Exifdatum *exifdatum;
789 Exiv2::Iptcdatum *iptcdatum;
790 #if EXIV2_TEST_VERSION(0,16,0)
791 Exiv2::Xmpdatum *xmpdatum;
793 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(metadatum)))
795 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(metadatum)))
797 #if EXIV2_TEST_VERSION(0,16,0)
798 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(metadatum)))
802 return utf8_validate_or_convert(str.str().c_str());
805 catch (Exiv2::AnyError& e) {
810 gchar *exif_item_get_string(ExifItem *item, int idx)
813 if (!item) return NULL;
814 Exiv2::Metadatum *em = (Exiv2::Metadatum *)item;
815 #if EXIV2_TEST_VERSION(0,16,0)
816 std::string str = em->toString(idx);
818 std::string str = em->toString(); // FIXME
820 if (idx == 0 && str == "") str = em->toString();
821 if (str.length() > 5 && str.substr(0, 5) == "lang=")
823 std::string::size_type pos = str.find_first_of(' ');
824 if (pos != std::string::npos) str = str.substr(pos+1);
827 return utf8_validate_or_convert(str.c_str());
829 catch (Exiv2::AnyError& e) {
835 gint exif_item_get_integer(ExifItem *item, gint *value)
838 if (!item || exif_item_get_elements(item) == 0) return 0;
839 *value = ((Exiv2::Metadatum *)item)->toLong();
842 catch (Exiv2::AnyError& e) {
848 ExifRational *exif_item_get_rational(ExifItem *item, gint *sign, guint n)
851 if (!item) return NULL;
852 if (n >= exif_item_get_elements(item)) return NULL;
853 Exiv2::Rational v = ((Exiv2::Metadatum *)item)->toRational(n);
854 static ExifRational ret;
857 if (sign) *sign = (((Exiv2::Metadatum *)item)->typeId() == Exiv2::signedRational);
860 catch (Exiv2::AnyError& e) {
866 gchar *exif_get_tag_description_by_key(const gchar *key)
869 Exiv2::ExifKey ekey(key);
870 return utf8_validate_or_convert(ekey.tagLabel().c_str());
872 catch (Exiv2::AnyError& e) {
874 Exiv2::IptcKey ikey(key);
875 return utf8_validate_or_convert(ikey.tagLabel().c_str());
877 catch (Exiv2::AnyError& e) {
879 #if EXIV2_TEST_VERSION(0,16,0)
880 Exiv2::XmpKey xkey(key);
881 return utf8_validate_or_convert(xkey.tagLabel().c_str());
884 catch (Exiv2::AnyError& e) {
893 static const AltKey *find_alt_key(const gchar *xmp_key)
897 while (alt_keys[i].xmp_key)
899 if (strcmp(xmp_key, alt_keys[i].xmp_key) == 0) return &alt_keys[i];
905 static gint exif_update_metadata_simple(ExifData *exif, const gchar *key, const GList *values)
908 const GList *work = values;
911 Exiv2::ExifKey ekey(key);
913 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
914 while (pos != exif->exifData().end())
916 exif->exifData().erase(pos);
917 pos = exif->exifData().findKey(ekey);
922 exif->exifData()[key] = (gchar *)work->data;
926 catch (Exiv2::AnyError& e) {
927 #if EXIV2_TEST_VERSION(0,16,0)
931 Exiv2::IptcKey ekey(key);
932 Exiv2::IptcData::iterator pos = exif->iptcData().findKey(ekey);
933 while (pos != exif->iptcData().end())
935 exif->iptcData().erase(pos);
936 pos = exif->iptcData().findKey(ekey);
941 exif->iptcData()[key] = (gchar *)work->data;
945 #if EXIV2_TEST_VERSION(0,16,0)
946 catch (Exiv2::AnyError& e) {
947 Exiv2::XmpKey ekey(key);
948 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
949 while (pos != exif->xmpData().end())
951 exif->xmpData().erase(pos);
952 pos = exif->xmpData().findKey(ekey);
957 exif->xmpData()[key] = (gchar *)work->data;
965 catch (Exiv2::AnyError& e) {
971 gint exif_update_metadata(ExifData *exif, const gchar *key, const GList *values)
973 gint ret = exif_update_metadata_simple(exif, key, values);
976 #if !EXIV2_TEST_VERSION(0,17,0)
977 TRUE || /* no conversion support */
979 !values || /* deleting item */
980 !ret /* writing to the explicitly given xmp tag failed */
983 /* deleted xmp metadatum can't be converted, we have to delete also the corresponding legacy tag */
984 /* if we can't write xmp, update at least the legacy tag */
985 const AltKey *alt_key = find_alt_key(key);
986 if (alt_key && alt_key->iptc_key)
987 ret = exif_update_metadata_simple(exif, alt_key->iptc_key, values);
989 if (alt_key && alt_key->exif_key)
990 ret = exif_update_metadata_simple(exif, alt_key->exif_key, values);
996 static GList *exif_add_value_to_glist(GList *list, Exiv2::Metadatum &item, MetadataFormat format, const Exiv2::ExifData *metadata)
998 #if EXIV2_TEST_VERSION(0,16,0)
999 Exiv2::TypeId id = item.typeId();
1000 if (format == METADATA_FORMATTED ||
1001 id == Exiv2::asciiString ||
1002 id == Exiv2::undefined ||
1003 id == Exiv2::string ||
1004 id == Exiv2::date ||
1005 id == Exiv2::time ||
1006 id == Exiv2::xmpText ||
1007 id == Exiv2::langAlt ||
1008 id == Exiv2::comment
1012 /* read as a single entry */
1015 if (format == METADATA_FORMATTED)
1017 #if EXIV2_TEST_VERSION(0,17,0)
1019 #if EXIV2_TEST_VERSION(0,18,0)
1024 std::stringstream stream;
1025 Exiv2::Exifdatum *exifdatum;
1026 Exiv2::Iptcdatum *iptcdatum;
1027 #if EXIV2_TEST_VERSION(0,16,0)
1028 Exiv2::Xmpdatum *xmpdatum;
1030 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(&item)))
1031 stream << *exifdatum;
1032 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(&item)))
1033 stream << *iptcdatum;
1034 #if EXIV2_TEST_VERSION(0,16,0)
1035 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(&item)))
1036 stream << *xmpdatum;
1040 if (str.length() > 1024)
1042 /* truncate very long strings, they cause problems in gui */
1049 str = item.toString();
1051 if (str.length() > 5 && str.substr(0, 5) == "lang=")
1053 std::string::size_type pos = str.find_first_of(' ');
1054 if (pos != std::string::npos) str = str.substr(pos+1);
1056 list = g_list_append(list, utf8_validate_or_convert(str.c_str()));
1057 #if EXIV2_TEST_VERSION(0,16,0)
1061 /* read as a list */
1063 for (i = 0; i < item.count(); i++)
1064 list = g_list_append(list, utf8_validate_or_convert(item.toString(i).c_str()));
1070 static GList *exif_get_metadata_simple(ExifData *exif, const gchar *key, MetadataFormat format)
1075 Exiv2::ExifKey ekey(key);
1076 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
1077 if (pos != exif->exifData().end())
1078 list = exif_add_value_to_glist(list, *pos, format, &exif->exifData());
1081 catch (Exiv2::AnyError& e) {
1083 Exiv2::IptcKey ekey(key);
1084 Exiv2::IptcData::iterator pos = exif->iptcData().begin();
1085 while (pos != exif->iptcData().end())
1087 if (pos->key() == key)
1088 list = exif_add_value_to_glist(list, *pos, format, NULL);
1093 catch (Exiv2::AnyError& e) {
1094 #if EXIV2_TEST_VERSION(0,16,0)
1095 Exiv2::XmpKey ekey(key);
1096 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
1097 if (pos != exif->xmpData().end())
1098 list = exif_add_value_to_glist(list, *pos, format, NULL);
1103 catch (Exiv2::AnyError& e) {
1109 GList *exif_get_metadata(ExifData *exif, const gchar *key, MetadataFormat format)
1113 if (!key) return NULL;
1115 if (format == METADATA_FORMATTED)
1119 text = exif_get_formatted_by_key(exif, key, &key_valid);
1120 if (key_valid) return g_list_append(NULL, text);
1123 list = exif_get_metadata_simple(exif, key, format);
1125 /* the following code can be ifdefed out as soon as Exiv2 supports it */
1128 const AltKey *alt_key = find_alt_key(key);
1129 if (alt_key && alt_key->iptc_key)
1130 list = exif_get_metadata_simple(exif, alt_key->iptc_key, format);
1132 #if !EXIV2_TEST_VERSION(0,17,0)
1133 /* with older Exiv2 versions exif is not synced */
1134 if (!list && alt_key && alt_key->exif_key)
1135 list = exif_get_metadata_simple(exif, alt_key->exif_key, format);
1142 void exif_add_jpeg_color_profile(ExifData *exif, unsigned char *cp_data, guint cp_length)
1144 exif->add_jpeg_color_profile(cp_data, cp_length);
1147 guchar *exif_get_color_profile(ExifData *exif, guint *data_len)
1149 guchar *ret = exif->get_jpeg_color_profile(data_len);
1150 if (ret) return ret;
1152 ExifItem *prof_item = exif_get_item(exif, "Exif.Image.InterColorProfile");
1153 if (prof_item && exif_item_get_format_id(prof_item) == EXIF_FORMAT_UNDEFINED)
1154 ret = (guchar *)exif_item_get_data(prof_item, data_len);
1158 gchar* exif_get_image_comment(FileData* fd)
1160 if (!fd || !fd->exif)
1161 return g_strdup("");
1163 return g_strdup(fd->exif->image_comment().c_str());
1166 void exif_set_image_comment(FileData* fd, const gchar* comment)
1168 if (!fd || !fd->exif)
1171 fd->exif->set_image_comment(comment ? comment : "");
1175 #if EXIV2_TEST_VERSION(0,17,90)
1177 guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1179 if (!exif) return NULL;
1181 if (!exif->image()) return NULL;
1183 std::string const path = exif->image()->io().path();
1184 /* given image pathname, first do simple (and fast) file extension test */
1185 gboolean is_raw = filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE);
1187 if (!is_raw && requested_width == 0) return NULL;
1191 Exiv2::PreviewManager pm(*exif->image());
1193 Exiv2::PreviewPropertiesList list = pm.getPreviewProperties();
1197 Exiv2::PreviewPropertiesList::iterator pos;
1198 Exiv2::PreviewPropertiesList::iterator last = --list.end();
1200 if (requested_width == 0)
1202 pos = last; // the largest
1209 if (pos->width_ >= (uint32_t)requested_width &&
1210 pos->height_ >= (uint32_t)requested_height) break;
1214 // we are not interested in smaller thumbnails in normal image formats - we can use full image instead
1217 if (pos->width_ < (uint32_t)requested_width || pos->height_ < (uint32_t)requested_height) return NULL;
1221 Exiv2::PreviewImage image = pm.getPreviewImage(*pos);
1223 Exiv2::DataBuf buf = image.copy();
1224 std::pair<Exiv2::byte*, long> p = buf.release();
1226 *data_len = p.second;
1231 catch (Exiv2::AnyError& e) {
1237 void exif_free_preview(guchar *buf)
1239 delete[] (Exiv2::byte*)buf;
1244 #if !EXIV2_TEST_VERSION(0,17,90)
1246 /* This is a dirty hack to support raw file preview, bassed on
1247 tiffparse.cpp from Exiv2 examples */
1252 RawFile(Exiv2::BasicIo &io);
1255 const Exiv2::Value *find(uint16_t tag, uint16_t group);
1257 unsigned long preview_offset();
1261 Exiv2::TiffComponent::AutoPtr rootDir;
1262 Exiv2::BasicIo &io_;
1263 const Exiv2::byte *map_data;
1265 unsigned long offset;
1268 typedef struct _UnmapData UnmapData;
1276 static GList *exif_unmap_list = 0;
1278 extern "C" guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1280 unsigned long offset;
1282 if (!exif) return NULL;
1283 if (!exif->image()) return NULL;
1285 std::string const path = exif->image()->io().path();
1287 /* given image pathname, first do simple (and fast) file extension test */
1288 if (!filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE)) return NULL;
1297 RawFile rf(exif->image()->io());
1298 offset = rf.preview_offset();
1299 DEBUG_1("%s: offset %lu", path.c_str(), offset);
1301 fd = open(path.c_str(), O_RDONLY);
1307 if (fstat(fd, &st) == -1)
1312 map_len = st.st_size;
1313 map_data = (guchar *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1315 if (map_data == MAP_FAILED)
1319 *data_len = map_len - offset;
1320 ud = g_new(UnmapData, 1);
1321 ud->ptr = map_data + offset;
1322 ud->map_data = map_data;
1323 ud->map_len = map_len;
1325 exif_unmap_list = g_list_prepend(exif_unmap_list, ud);
1329 catch (Exiv2::AnyError& e) {
1336 void exif_free_preview(guchar *buf)
1338 GList *work = exif_unmap_list;
1342 UnmapData *ud = (UnmapData *)work->data;
1345 munmap(ud->map_data, ud->map_len);
1346 exif_unmap_list = g_list_remove_link(exif_unmap_list, work);
1352 g_assert_not_reached();
1355 using namespace Exiv2;
1357 RawFile::RawFile(BasicIo &io) : io_(io), map_data(NULL), map_len(0), offset(0)
1361 if (fstat(fd, &st) == -1)
1365 map_len = st.st_size;
1366 map_data = (Exiv2::byte *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1367 if (map_data == MAP_FAILED)
1372 if (io.open() != 0) {
1373 throw Error(9, io.path(), strError());
1376 map_data = io.mmap();
1377 map_len = io.size();
1380 type = Exiv2::ImageFactory::getType(map_data, map_len);
1382 #if EXIV2_TEST_VERSION(0,16,0)
1383 TiffHeaderBase *tiffHeader = NULL;
1385 TiffHeade2 *tiffHeader = NULL;
1387 Cr2Header *cr2Header = NULL;
1390 case Exiv2::ImageType::tiff:
1391 tiffHeader = new TiffHeade2();
1393 case Exiv2::ImageType::cr2:
1394 cr2Header = new Cr2Header();
1396 #if EXIV2_TEST_VERSION(0,16,0)
1397 case Exiv2::ImageType::orf:
1398 tiffHeader = new OrfHeader();
1401 #if EXIV2_TEST_VERSION(0,13,0)
1402 case Exiv2::ImageType::raf:
1403 if (map_len < 84 + 4) throw Error(14);
1404 offset = getULong(map_data + 84, bigEndian);
1407 case Exiv2::ImageType::crw:
1409 // Parse the image, starting with a CIFF header component
1410 Exiv2::CiffHeader::AutoPtr parseTree(new Exiv2::CiffHeader);
1411 parseTree->read(map_data, map_len);
1412 CiffComponent *entry = parseTree->findComponent(0x2007, 0);
1413 if (entry) offset = entry->pData() - map_data;
1418 throw Error(3, "RAW");
1421 // process tiff-like formats
1423 TiffCompFactoryFct createFct = TiffCreator::create;
1425 rootDir = createFct(Tag::root, Group::none);
1426 if (0 == rootDir.get()) {
1427 throw Error(1, "No root element defined in TIFF structure");
1432 if (!tiffHeader->read(map_data, map_len)) throw Error(3, "TIFF");
1433 #if EXIV2_TEST_VERSION(0,16,0)
1434 rootDir->setStart(map_data + tiffHeader->offset());
1436 rootDir->setStart(map_data + tiffHeader->ifdOffset());
1442 rootDir->setStart(map_data + cr2Header->offset());
1445 TiffRwState::AutoPtr state(new TiffRwState(tiffHeader ? tiffHeader->byteOrder() : littleEndian, 0, createFct));
1447 TiffReader reader(map_data,
1452 rootDir->accept(reader);
1460 RawFile::~RawFile(void)
1466 const Value * RawFile::find(uint16_t tag, uint16_t group)
1468 TiffFinder finder(tag, group);
1469 rootDir->accept(finder);
1470 TiffEntryBase* te = dynamic_cast<TiffEntryBase*>(finder.result());
1473 DEBUG_1("(tag: %04x %04x) ", tag, group);
1474 return te->pValue();
1480 unsigned long RawFile::preview_offset(void)
1483 if (offset) return offset;
1485 if (type == Exiv2::ImageType::cr2)
1487 val = find(0x111, Group::ifd0);
1488 if (val) return val->toLong();
1493 val = find(0x201, Group::sub0_0);
1494 if (val) return val->toLong();
1496 val = find(0x201, Group::ifd0);
1497 if (val) return val->toLong();
1499 val = find(0x201, Group::ignr); // for PEF files, originally it was probably ifd2
1500 if (val) return val->toLong();
1502 val = find(0x111, Group::sub0_1); // dng
1503 if (val) return val->toLong();
1514 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */