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"
60 #include "filefilter.h"
61 #include "ui-fileops.h"
65 #if EXIV2_TEST_VERSION(0,28,0)
66 #define AnyError Error
67 #define AutoPtr UniquePtr
73 const gchar *exif_key;
74 const gchar *iptc_key;
77 /* this is a list of keys that should be converted, even with the older Exiv2 which does not support it directly */
78 static const AltKey alt_keys[] = {
79 {"Xmp.tiff.Orientation", "Exif.Image.Orientation", nullptr},
80 {"Xmp.dc.title", nullptr, "Iptc.Application2.ObjectName" },
81 {"Xmp.photoshop.Urgency", nullptr, "Iptc.Application2.Urgency" },
82 {"Xmp.photoshop.Category", nullptr, "Iptc.Application2.Category" },
83 {"Xmp.photoshop.SupplementalCategory", nullptr, "Iptc.Application2.SuppCategory" },
84 {"Xmp.dc.subject", nullptr, "Iptc.Application2.Keywords" },
85 {"Xmp.iptc.Location", nullptr, "Iptc.Application2.LocationName" },
86 {"Xmp.photoshop.Instruction", nullptr, "Iptc.Application2.SpecialInstructions" },
87 {"Xmp.photoshop.DateCreated", nullptr, "Iptc.Application2.DateCreated" },
88 {"Xmp.dc.creator", nullptr, "Iptc.Application2.Byline" },
89 {"Xmp.photoshop.AuthorsPosition", nullptr, "Iptc.Application2.BylineTitle" },
90 {"Xmp.photoshop.City", nullptr, "Iptc.Application2.City" },
91 {"Xmp.photoshop.State", nullptr, "Iptc.Application2.ProvinceState" },
92 {"Xmp.iptc.CountryCode", nullptr, "Iptc.Application2.CountryCode" },
93 {"Xmp.photoshop.Country", nullptr, "Iptc.Application2.CountryName" },
94 {"Xmp.photoshop.TransmissionReference", nullptr, "Iptc.Application2.TransmissionReference"},
95 {"Xmp.photoshop.Headline", nullptr, "Iptc.Application2.Headline" },
96 {"Xmp.photoshop.Credit", nullptr, "Iptc.Application2.Credit" },
97 {"Xmp.photoshop.Source", nullptr, "Iptc.Application2.Source" },
98 {"Xmp.dc.rights", nullptr, "Iptc.Application2.Copyright" },
99 {"Xmp.dc.description", nullptr, "Iptc.Application2.Caption" },
100 {"Xmp.photoshop.CaptionWriter", nullptr, "Iptc.Application2.Writer" },
101 {nullptr, nullptr, nullptr}
104 static void _debug_exception(const char* file,
109 gchar *str = g_locale_from_utf8(e.what(), -1, nullptr, nullptr, nullptr);
110 DEBUG_1("%s:%d:%s:Exiv2: %s", file, line, func, str);
114 #define debug_exception(e) _debug_exception(__FILE__, __LINE__, __func__, e)
118 Exiv2::ExifData::const_iterator exifIter; /* for exif_get_next_item */
119 Exiv2::IptcData::const_iterator iptcIter; /* for exif_get_next_item */
120 #if EXIV2_TEST_VERSION(0,16,0)
121 Exiv2::XmpData::const_iterator xmpIter; /* for exif_get_next_item */
124 virtual ~ExifData() = default;
126 virtual void writeMetadata(gchar *UNUSED(path) = nullptr)
128 g_critical("Unsupported method of writing metadata");
131 virtual ExifData *original()
136 virtual Exiv2::Image *image() = 0;
138 virtual Exiv2::ExifData &exifData() = 0;
140 virtual Exiv2::IptcData &iptcData() = 0;
142 #if EXIV2_TEST_VERSION(0,16,0)
143 virtual Exiv2::XmpData &xmpData() = 0;
146 virtual void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length) = 0;
148 virtual guchar *get_jpeg_color_profile(guint *data_len) = 0;
150 virtual std::string image_comment() const = 0;
152 virtual void set_image_comment(const std::string& comment) = 0;
155 // This allows read-only access to the original metadata
156 struct ExifDataOriginal : public ExifData
159 Exiv2::Image::AutoPtr image_;
161 /* the icc profile in jpeg is not technically exif - store it here */
162 unsigned char *cp_data_;
167 Exiv2::ExifData emptyExifData_;
168 Exiv2::IptcData emptyIptcData_;
169 #if EXIV2_TEST_VERSION(0,16,0)
170 Exiv2::XmpData emptyXmpData_;
174 ExifDataOriginal(Exiv2::Image::AutoPtr image)
178 image_ = std::move(image);
182 ExifDataOriginal(gchar *path)
188 pathl_ = path_from_utf8(path);
191 image_ = Exiv2::ImageFactory::open(pathl_);
192 // g_assert (image.get() != 0);
193 image_->readMetadata();
195 #if EXIV2_TEST_VERSION(0,16,0)
196 if (image_->mimeType() == "application/rdf+xml")
198 //Exiv2 sidecar converts xmp to exif and iptc, we don't want it.
199 image_->clearExifData();
200 image_->clearIptcData();
204 #if EXIV2_TEST_VERSION(0,14,0)
205 if (image_->mimeType() == "image/jpeg")
207 /* try to get jpeg color profile */
208 Exiv2::BasicIo &io = image_->io();
209 gint open = io.isopen();
210 if (!open) io.open();
213 auto mapped = static_cast<unsigned char*>(io.mmap());
214 if (mapped) exif_jpeg_parse_color(this, mapped, io.size());
217 if (!open) io.close();
221 catch (Exiv2::AnyError& e)
227 ~ExifDataOriginal() override
229 if (cp_data_) g_free(cp_data_);
230 if (pathl_) g_free(pathl_);
233 Exiv2::Image *image() override
235 if (!valid_) return nullptr;
239 Exiv2::ExifData &exifData () override
241 if (!valid_) return emptyExifData_;
242 return image_->exifData();
245 Exiv2::IptcData &iptcData () override
247 if (!valid_) return emptyIptcData_;
248 return image_->iptcData();
251 #if EXIV2_TEST_VERSION(0,16,0)
252 Exiv2::XmpData &xmpData () override
254 if (!valid_) return emptyXmpData_;
255 return image_->xmpData();
259 void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length) override
261 if (cp_data_) g_free(cp_data_);
263 cp_length_ = cp_length;
266 guchar *get_jpeg_color_profile(guint *data_len) override
270 if (data_len) *data_len = cp_length_;
271 #if GLIB_CHECK_VERSION(2,68,0)
272 return (unsigned char *) g_memdup2(cp_data_, cp_length_);
274 return static_cast<unsigned char *>(g_memdup(cp_data_, cp_length_));
280 std::string image_comment() const override
282 return image_.get() ? image_->comment() : "";
285 void set_image_comment(const std::string& comment) override
288 image_->setComment(comment);
292 static void _ExifDataProcessed_update_xmp(gpointer key, gpointer value, gpointer data);
294 // This allows read-write access to the metadata
295 struct ExifDataProcessed : public ExifData
298 std::unique_ptr<ExifDataOriginal> imageData_;
299 std::unique_ptr<ExifDataOriginal> sidecarData_;
301 Exiv2::ExifData exifData_;
302 Exiv2::IptcData iptcData_;
303 #if EXIV2_TEST_VERSION(0,16,0)
304 Exiv2::XmpData xmpData_;
308 ExifDataProcessed(gchar *path, gchar *sidecar_path, GHashTable *modified_xmp)
310 imageData_ = std::make_unique<ExifDataOriginal>(path);
311 sidecarData_ = nullptr;
312 #if EXIV2_TEST_VERSION(0,16,0)
315 sidecarData_ = std::make_unique<ExifDataOriginal>(sidecar_path);
316 xmpData_ = sidecarData_->xmpData();
320 xmpData_ = imageData_->xmpData();
324 exifData_ = imageData_->exifData();
325 iptcData_ = imageData_->iptcData();
326 #if EXIV2_TEST_VERSION(0,17,0)
329 syncExifWithXmp(exifData_, xmpData_);
333 DEBUG_1("Exiv2: Catching bug\n");
338 g_hash_table_foreach(modified_xmp, _ExifDataProcessed_update_xmp, this);
342 ExifData *original() override
344 return imageData_.get();
347 void writeMetadata(gchar *path = nullptr) override
351 #if EXIV2_TEST_VERSION(0,17,0)
352 if (options->metadata.save_legacy_IPTC)
353 copyXmpToIptc(xmpData_, iptcData_);
357 copyXmpToExif(xmpData_, exifData_);
359 Exiv2::Image *image = imageData_->image();
361 #ifdef HAVE_EXIV2_ERROR_CODE
362 #if EXIV2_TEST_VERSION(0,28,0)
363 if (!image) throw Exiv2::Error(Exiv2::ErrorCode::kerInputDataReadFailed);
365 if (!image) throw Exiv2::Error(Exiv2::kerInputDataReadFailed);
368 if (!image) throw Exiv2::Error(21);
370 image->setExifData(exifData_);
371 image->setIptcData(iptcData_);
372 #if EXIV2_TEST_VERSION(0,16,0)
373 image->setXmpData(xmpData_);
375 image->writeMetadata();
379 #if EXIV2_TEST_VERSION(0,17,0)
380 gchar *pathl = path_from_utf8(path);;
382 auto sidecar = Exiv2::ImageFactory::create(Exiv2::ImageType::xmp, pathl);
386 sidecar->setXmpData(xmpData_);
387 sidecar->writeMetadata();
389 #ifdef HAVE_EXIV2_ERROR_CODE
390 throw Exiv2::Error(Exiv2::kerNotAnImage, "xmp");
392 throw Exiv2::Error(3, "xmp");
398 Exiv2::Image *image() override
400 return imageData_->image();
403 Exiv2::ExifData &exifData () override
408 Exiv2::IptcData &iptcData () override
413 #if EXIV2_TEST_VERSION(0,16,0)
414 Exiv2::XmpData &xmpData () override
420 void add_jpeg_color_profile(unsigned char *cp_data, guint cp_length) override
422 imageData_->add_jpeg_color_profile(cp_data, cp_length);
425 guchar *get_jpeg_color_profile(guint *data_len) override
427 return imageData_->get_jpeg_color_profile(data_len);
430 std::string image_comment() const override
432 return imageData_->image_comment();
435 void set_image_comment(const std::string& comment) override
437 imageData_->set_image_comment(comment);
448 #ifdef EXV_ENABLE_NLS
449 bind_textdomain_codeset (EXV_PACKAGE, "UTF-8");
452 #ifdef EXV_ENABLE_BMFF
453 Exiv2::enableBMFF(TRUE);
459 static void _ExifDataProcessed_update_xmp(gpointer key, gpointer value, gpointer data)
461 exif_update_metadata(static_cast<ExifData *>(data), static_cast<gchar *>(key), static_cast<GList *>(value));
464 ExifData *exif_read(gchar *path, gchar *sidecar_path, GHashTable *modified_xmp)
466 DEBUG_1("exif read %s, sidecar: %s", path, sidecar_path ? sidecar_path : "-");
468 return new ExifDataProcessed(path, sidecar_path, modified_xmp);
470 catch (Exiv2::AnyError& e) {
477 gboolean exif_write(ExifData *exif)
480 exif->writeMetadata();
483 catch (Exiv2::AnyError& e) {
489 gboolean exif_write_sidecar(ExifData *exif, gchar *path)
492 exif->writeMetadata(path);
495 catch (Exiv2::AnyError& e) {
503 void exif_free(ExifData *exif)
506 g_assert(dynamic_cast<ExifDataProcessed *>(exif)); // this should not be called on ExifDataOriginal
510 ExifData *exif_get_original(ExifData *exif)
512 return exif->original();
516 ExifItem *exif_get_item(ExifData *exif, const gchar *key)
519 Exiv2::Metadatum *item = nullptr;
521 Exiv2::ExifKey ekey(key);
522 auto pos = exif->exifData().findKey(ekey);
523 if (pos == exif->exifData().end()) return nullptr;
526 catch (Exiv2::AnyError& e) {
528 Exiv2::IptcKey ekey(key);
529 auto pos = exif->iptcData().findKey(ekey);
530 if (pos == exif->iptcData().end()) return nullptr;
533 catch (Exiv2::AnyError& e) {
534 #if EXIV2_TEST_VERSION(0,16,0)
535 Exiv2::XmpKey ekey(key);
536 auto pos = exif->xmpData().findKey(ekey);
537 if (pos == exif->xmpData().end()) return nullptr;
542 return reinterpret_cast<ExifItem *>(item);
544 catch (Exiv2::AnyError& e) {
550 ExifItem *exif_add_item(ExifData *exif, const gchar *key)
553 Exiv2::Metadatum *item = nullptr;
555 Exiv2::ExifKey ekey(key);
556 exif->exifData().add(ekey, nullptr);
557 auto pos = exif->exifData().end(); // a hack, there should be a better way to get the currently added item
561 catch (Exiv2::AnyError& e) {
563 Exiv2::IptcKey ekey(key);
564 exif->iptcData().add(ekey, nullptr);
565 auto pos = exif->iptcData().end();
569 catch (Exiv2::AnyError& e) {
570 #if EXIV2_TEST_VERSION(0,16,0)
571 Exiv2::XmpKey ekey(key);
572 exif->xmpData().add(ekey, nullptr);
573 auto pos = exif->xmpData().end();
579 return reinterpret_cast<ExifItem *>(item);
581 catch (Exiv2::AnyError& e) {
588 ExifItem *exif_get_first_item(ExifData *exif)
591 exif->exifIter = exif->exifData().begin();
592 exif->iptcIter = exif->iptcData().begin();
593 #if EXIV2_TEST_VERSION(0,16,0)
594 exif->xmpIter = exif->xmpData().begin();
596 if (exif->exifIter != exif->exifData().end())
598 const Exiv2::Metadatum *item = &*exif->exifIter;
600 return (ExifItem *)item;
602 if (exif->iptcIter != exif->iptcData().end())
604 const Exiv2::Metadatum *item = &*exif->iptcIter;
606 return (ExifItem *)item;
608 #if EXIV2_TEST_VERSION(0,16,0)
609 if (exif->xmpIter != exif->xmpData().end())
611 const Exiv2::Metadatum *item = &*exif->xmpIter;
613 return (ExifItem *)item;
619 catch (Exiv2::AnyError& e) {
625 ExifItem *exif_get_next_item(ExifData *exif)
628 if (exif->exifIter != exif->exifData().end())
630 const Exiv2::Metadatum *item = &*exif->exifIter;
632 return (ExifItem *)item;
634 if (exif->iptcIter != exif->iptcData().end())
636 const Exiv2::Metadatum *item = &*exif->iptcIter;
638 return (ExifItem *)item;
640 #if EXIV2_TEST_VERSION(0,16,0)
641 if (exif->xmpIter != exif->xmpData().end())
643 const Exiv2::Metadatum *item = &*exif->xmpIter;
645 return (ExifItem *)item;
650 catch (Exiv2::AnyError& e) {
656 char *exif_item_get_tag_name(ExifItem *item)
659 if (!item) return nullptr;
660 return g_strdup((reinterpret_cast<Exiv2::Metadatum *>(item))->key().c_str());
662 catch (Exiv2::AnyError& e) {
668 guint exif_item_get_tag_id(ExifItem *item)
672 return (reinterpret_cast<Exiv2::Metadatum *>(item))->tag();
674 catch (Exiv2::AnyError& e) {
680 guint exif_item_get_elements(ExifItem *item)
684 return (reinterpret_cast<Exiv2::Metadatum *>(item))->count();
686 catch (Exiv2::AnyError& e) {
692 char *exif_item_get_data(ExifItem *item, guint *data_len)
695 if (!item) return nullptr;
696 auto md = reinterpret_cast<Exiv2::Metadatum *>(item);
697 if (data_len) *data_len = md->size();
698 auto data = static_cast<char *>(g_malloc(md->size()));
699 long res = md->copy(reinterpret_cast<Exiv2::byte *>(data), Exiv2::littleEndian /* should not matter */);
700 g_assert(res == md->size());
703 catch (Exiv2::AnyError& e) {
709 char *exif_item_get_description(ExifItem *item)
712 if (!item) return nullptr;
713 return utf8_validate_or_convert((reinterpret_cast<Exiv2::Metadatum *>(item))->tagLabel().c_str());
715 catch (std::exception& e) {
716 // debug_exception(e);
722 invalidTypeId, unsignedByte, asciiString, unsignedShort,
723 unsignedLong, unsignedRational, signedByte, undefined,
724 signedShort, signedLong, signedRational, string,
725 date, time, comment, directory,
726 xmpText, xmpAlt, xmpBag, xmpSeq,
730 static guint format_id_trans_tbl [] = {
732 EXIF_FORMAT_BYTE_UNSIGNED,
734 EXIF_FORMAT_SHORT_UNSIGNED,
735 EXIF_FORMAT_LONG_UNSIGNED,
736 EXIF_FORMAT_RATIONAL_UNSIGNED,
738 EXIF_FORMAT_UNDEFINED,
741 EXIF_FORMAT_RATIONAL,
745 EXIF_FORMAT_UNDEFINED,
754 guint exif_item_get_format_id(ExifItem *item)
757 if (!item) return EXIF_FORMAT_UNKNOWN;
758 guint id = (reinterpret_cast<Exiv2::Metadatum *>(item))->typeId();
759 if (id >= (sizeof(format_id_trans_tbl) / sizeof(format_id_trans_tbl[0])) ) return EXIF_FORMAT_UNKNOWN;
760 return format_id_trans_tbl[id];
762 catch (Exiv2::AnyError& e) {
764 return EXIF_FORMAT_UNKNOWN;
768 const char *exif_item_get_format_name(ExifItem *item, gboolean UNUSED(brief))
771 if (!item) return nullptr;
772 return (reinterpret_cast<Exiv2::Metadatum *>(item))->typeName();
774 catch (Exiv2::AnyError& e) {
781 gchar *exif_item_get_data_as_text(ExifItem *item)
784 if (!item) return nullptr;
785 auto metadatum = reinterpret_cast<Exiv2::Metadatum *>(item);
786 #if EXIV2_TEST_VERSION(0,17,0)
787 return utf8_validate_or_convert(metadatum->print().c_str());
789 std::stringstream str;
790 Exiv2::Exifdatum *exifdatum;
791 Exiv2::Iptcdatum *iptcdatum;
792 #if EXIV2_TEST_VERSION(0,16,0)
793 Exiv2::Xmpdatum *xmpdatum;
795 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(metadatum)))
797 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(metadatum)))
799 #if EXIV2_TEST_VERSION(0,16,0)
800 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(metadatum)))
804 return utf8_validate_or_convert(str.str().c_str());
807 catch (Exiv2::AnyError& e) {
812 gchar *exif_item_get_string(ExifItem *item, int idx)
815 if (!item) return nullptr;
816 auto em = reinterpret_cast<Exiv2::Metadatum *>(item);
817 #if EXIV2_TEST_VERSION(0,16,0)
818 std::string str = em->toString(idx);
820 std::string str = em->toString(); /**< @FIXME ?? */
822 if (idx == 0 && str == "") str = em->toString();
823 if (str.length() > 5 && str.substr(0, 5) == "lang=")
825 std::string::size_type pos = str.find_first_of(' ');
826 if (pos != std::string::npos) str = str.substr(pos+1);
829 return utf8_validate_or_convert(str.c_str());
831 catch (Exiv2::AnyError& e) {
837 gint exif_item_get_integer(ExifItem *item, gint *value)
840 if (!item || exif_item_get_elements(item) == 0) return 0;
842 #if EXIV2_TEST_VERSION(0,28,0)
843 *value = ((Exiv2::Metadatum *)item)->toInt64();
845 *value = (reinterpret_cast<Exiv2::Metadatum *>(item))->toLong();
849 catch (Exiv2::AnyError& e) {
855 ExifRational *exif_item_get_rational(ExifItem *item, gint *sign, guint n)
858 if (!item) return nullptr;
859 if (n >= exif_item_get_elements(item)) return nullptr;
860 Exiv2::Rational v = (reinterpret_cast<Exiv2::Metadatum *>(item))->toRational(n);
861 static ExifRational ret;
864 if (sign) *sign = ((reinterpret_cast<Exiv2::Metadatum *>(item))->typeId() == Exiv2::signedRational);
867 catch (Exiv2::AnyError& e) {
873 gchar *exif_get_tag_description_by_key(const gchar *key)
876 Exiv2::ExifKey ekey(key);
877 return utf8_validate_or_convert(ekey.tagLabel().c_str());
879 catch (Exiv2::AnyError& e) {
881 Exiv2::IptcKey ikey(key);
882 return utf8_validate_or_convert(ikey.tagLabel().c_str());
884 catch (Exiv2::AnyError& e) {
886 #if EXIV2_TEST_VERSION(0,16,0)
887 Exiv2::XmpKey xkey(key);
888 return utf8_validate_or_convert(xkey.tagLabel().c_str());
891 catch (Exiv2::AnyError& e) {
900 static const AltKey *find_alt_key(const gchar *xmp_key)
904 while (alt_keys[i].xmp_key)
906 if (strcmp(xmp_key, alt_keys[i].xmp_key) == 0) return &alt_keys[i];
912 static gint exif_update_metadata_simple(ExifData *exif, const gchar *key, const GList *values)
915 const GList *work = values;
918 Exiv2::ExifKey ekey(key);
920 auto pos = exif->exifData().findKey(ekey);
921 while (pos != exif->exifData().end())
923 exif->exifData().erase(pos);
924 pos = exif->exifData().findKey(ekey);
929 exif->exifData()[key] = static_cast<gchar *>(work->data);
933 catch (Exiv2::AnyError& e) {
934 #if EXIV2_TEST_VERSION(0,16,0)
938 Exiv2::IptcKey ekey(key);
939 auto pos = exif->iptcData().findKey(ekey);
940 while (pos != exif->iptcData().end())
942 exif->iptcData().erase(pos);
943 pos = exif->iptcData().findKey(ekey);
948 exif->iptcData()[key] = static_cast<gchar *>(work->data);
952 #if EXIV2_TEST_VERSION(0,16,0)
953 catch (Exiv2::AnyError& e) {
954 Exiv2::XmpKey ekey(key);
955 auto pos = exif->xmpData().findKey(ekey);
956 while (pos != exif->xmpData().end())
958 exif->xmpData().erase(pos);
959 pos = exif->xmpData().findKey(ekey);
964 exif->xmpData()[key] = static_cast<gchar *>(work->data);
972 catch (Exiv2::AnyError& e) {
978 gint exif_update_metadata(ExifData *exif, const gchar *key, const GList *values)
980 gint ret = exif_update_metadata_simple(exif, key, values);
983 #if !EXIV2_TEST_VERSION(0,17,0)
984 TRUE || /* no conversion support */
986 !values || /* deleting item */
987 !ret /* writing to the explicitly given xmp tag failed */
990 /* deleted xmp metadatum can't be converted, we have to delete also the corresponding legacy tag */
991 /* if we can't write xmp, update at least the legacy tag */
992 const AltKey *alt_key = find_alt_key(key);
993 if (alt_key && alt_key->iptc_key)
994 ret = exif_update_metadata_simple(exif, alt_key->iptc_key, values);
996 if (alt_key && alt_key->exif_key)
997 ret = exif_update_metadata_simple(exif, alt_key->exif_key, values);
1003 static GList *exif_add_value_to_glist(GList *list, Exiv2::Metadatum &item, MetadataFormat format, const Exiv2::ExifData *metadata)
1005 #if EXIV2_TEST_VERSION(0,16,0)
1006 Exiv2::TypeId id = item.typeId();
1007 if (format == METADATA_FORMATTED ||
1008 id == Exiv2::asciiString ||
1009 id == Exiv2::undefined ||
1010 id == Exiv2::string ||
1011 id == Exiv2::date ||
1012 id == Exiv2::time ||
1013 id == Exiv2::xmpText ||
1014 id == Exiv2::langAlt ||
1015 id == Exiv2::comment
1019 /* read as a single entry */
1022 if (format == METADATA_FORMATTED)
1024 #if EXIV2_TEST_VERSION(0,17,0)
1026 #if EXIV2_TEST_VERSION(0,18,0)
1031 std::stringstream stream;
1032 Exiv2::Exifdatum *exifdatum;
1033 Exiv2::Iptcdatum *iptcdatum;
1034 #if EXIV2_TEST_VERSION(0,16,0)
1035 Exiv2::Xmpdatum *xmpdatum;
1037 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(&item)))
1038 stream << *exifdatum;
1039 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(&item)))
1040 stream << *iptcdatum;
1041 #if EXIV2_TEST_VERSION(0,16,0)
1042 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(&item)))
1043 stream << *xmpdatum;
1047 if (str.length() > 1024)
1049 /* truncate very long strings, they cause problems in gui */
1056 str = item.toString();
1058 if (str.length() > 5 && str.substr(0, 5) == "lang=")
1060 std::string::size_type pos = str.find_first_of(' ');
1061 if (pos != std::string::npos) str = str.substr(pos+1);
1063 list = g_list_append(list, utf8_validate_or_convert(str.c_str()));
1064 #if EXIV2_TEST_VERSION(0,16,0)
1068 /* read as a list */
1070 for (i = 0; i < item.count(); i++)
1071 list = g_list_append(list, utf8_validate_or_convert(item.toString(i).c_str()));
1077 static GList *exif_get_metadata_simple(ExifData *exif, const gchar *key, MetadataFormat format)
1079 GList *list = nullptr;
1082 Exiv2::ExifKey ekey(key);
1083 auto pos = exif->exifData().findKey(ekey);
1084 if (pos != exif->exifData().end())
1085 list = exif_add_value_to_glist(list, *pos, format, &exif->exifData());
1088 catch (Exiv2::AnyError& e) {
1090 Exiv2::IptcKey ekey(key);
1091 auto pos = exif->iptcData().begin();
1092 while (pos != exif->iptcData().end())
1094 if (pos->key() == key)
1095 list = exif_add_value_to_glist(list, *pos, format, nullptr);
1100 catch (Exiv2::AnyError& e) {
1101 #if EXIV2_TEST_VERSION(0,16,0)
1102 Exiv2::XmpKey ekey(key);
1103 auto pos = exif->xmpData().findKey(ekey);
1104 if (pos != exif->xmpData().end())
1105 list = exif_add_value_to_glist(list, *pos, format, nullptr);
1110 catch (Exiv2::AnyError& e) {
1116 GList *exif_get_metadata(ExifData *exif, const gchar *key, MetadataFormat format)
1118 GList *list = nullptr;
1120 if (!key) return nullptr;
1122 if (format == METADATA_FORMATTED)
1126 text = exif_get_formatted_by_key(exif, key, &key_valid);
1127 if (key_valid) return g_list_append(nullptr, text);
1130 list = exif_get_metadata_simple(exif, key, format);
1132 /* the following code can be ifdefed out as soon as Exiv2 supports it */
1135 const AltKey *alt_key = find_alt_key(key);
1136 if (alt_key && alt_key->iptc_key)
1137 list = exif_get_metadata_simple(exif, alt_key->iptc_key, format);
1139 #if !EXIV2_TEST_VERSION(0,17,0)
1140 /* with older Exiv2 versions exif is not synced */
1141 if (!list && alt_key && alt_key->exif_key)
1142 list = exif_get_metadata_simple(exif, alt_key->exif_key, format);
1149 void exif_add_jpeg_color_profile(ExifData *exif, unsigned char *cp_data, guint cp_length)
1151 exif->add_jpeg_color_profile(cp_data, cp_length);
1154 guchar *exif_get_color_profile(ExifData *exif, guint *data_len)
1156 guchar *ret = exif->get_jpeg_color_profile(data_len);
1157 if (ret) return ret;
1159 ExifItem *prof_item = exif_get_item(exif, "Exif.Image.InterColorProfile");
1160 if (prof_item && exif_item_get_format_id(prof_item) == EXIF_FORMAT_UNDEFINED)
1161 ret = reinterpret_cast<guchar *>(exif_item_get_data(prof_item, data_len));
1165 gchar* exif_get_image_comment(FileData* fd)
1167 if (!fd || !fd->exif)
1168 return g_strdup("");
1170 return g_strdup(fd->exif->image_comment().c_str());
1173 void exif_set_image_comment(FileData* fd, const gchar* comment)
1175 if (!fd || !fd->exif)
1178 fd->exif->set_image_comment(comment ? comment : "");
1182 #if EXIV2_TEST_VERSION(0,17,90)
1184 guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1186 if (!exif) return nullptr;
1188 if (!exif->image()) return nullptr;
1190 std::string const path = exif->image()->io().path();
1191 /* given image pathname, first do simple (and fast) file extension test */
1192 gboolean is_raw = filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE);
1194 if (!is_raw && requested_width == 0) return nullptr;
1198 Exiv2::PreviewManager pm(*exif->image());
1200 Exiv2::PreviewPropertiesList list = pm.getPreviewProperties();
1204 Exiv2::PreviewPropertiesList::iterator pos;
1205 auto last = --list.end();
1207 if (requested_width == 0)
1209 pos = last; // the largest
1216 if (pos->width_ >= static_cast<uint32_t>(requested_width) &&
1217 pos->height_ >= static_cast<uint32_t>(requested_height)) break;
1221 // we are not interested in smaller thumbnails in normal image formats - we can use full image instead
1224 if (pos->width_ < static_cast<uint32_t>(requested_width) || pos->height_ < static_cast<uint32_t>(requested_height)) return nullptr;
1228 Exiv2::PreviewImage image = pm.getPreviewImage(*pos);
1230 Exiv2::DataBuf buf = image.copy();
1232 #if EXIV2_TEST_VERSION(0,28,0)
1233 *data_len = buf.size();
1234 auto b = buf.data();
1238 std::pair<Exiv2::byte*, long> p = buf.release();
1240 *data_len = p.second;
1246 catch (Exiv2::AnyError& e) {
1252 void exif_free_preview(guchar *buf)
1254 delete[] static_cast<Exiv2::byte*>(buf);
1258 #if !EXIV2_TEST_VERSION(0,17,90)
1260 /* This is a dirty hack to support raw file preview, bassed on
1261 tiffparse.cpp from Exiv2 examples */
1266 RawFile(Exiv2::BasicIo &io);
1269 const Exiv2::Value *find(uint16_t tag, uint16_t group);
1271 unsigned long preview_offset();
1275 Exiv2::TiffComponent::AutoPtr rootDir;
1276 Exiv2::BasicIo &io_;
1277 const Exiv2::byte *map_data;
1279 unsigned long offset;
1289 static GList *exif_unmap_list = 0;
1291 guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1293 unsigned long offset;
1295 if (!exif) return NULL;
1296 if (!exif->image()) return NULL;
1298 std::string const path = exif->image()->io().path();
1300 /* given image pathname, first do simple (and fast) file extension test */
1301 if (!filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE)) return NULL;
1310 RawFile rf(exif->image()->io());
1311 offset = rf.preview_offset();
1312 DEBUG_1("%s: offset %lu", path.c_str(), offset);
1314 fd = open(path.c_str(), O_RDONLY);
1320 if (fstat(fd, &st) == -1)
1325 map_len = st.st_size;
1326 map_data = (guchar *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1328 if (map_data == MAP_FAILED)
1332 *data_len = map_len - offset;
1333 ud = g_new(UnmapData, 1);
1334 ud->ptr = map_data + offset;
1335 ud->map_data = map_data;
1336 ud->map_len = map_len;
1338 exif_unmap_list = g_list_prepend(exif_unmap_list, ud);
1342 catch (Exiv2::AnyError& e) {
1349 void exif_free_preview(guchar *buf)
1351 GList *work = exif_unmap_list;
1355 UnmapData *ud = (UnmapData *)work->data;
1358 munmap(ud->map_data, ud->map_len);
1359 exif_unmap_list = g_list_remove_link(exif_unmap_list, work);
1365 g_assert_not_reached();
1368 using namespace Exiv2;
1370 RawFile::RawFile(BasicIo &io) : io_(io), map_data(NULL), map_len(0), offset(0)
1374 if (fstat(fd, &st) == -1)
1378 map_len = st.st_size;
1379 map_data = (Exiv2::byte *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1380 if (map_data == MAP_FAILED)
1385 if (io.open() != 0) {
1386 throw Error(9, io.path(), strError());
1389 map_data = io.mmap();
1390 map_len = io.size();
1393 type = Exiv2::ImageFactory::getType(map_data, map_len);
1395 #if EXIV2_TEST_VERSION(0,16,0)
1396 std::unique_ptr<TiffHeaderBase> tiffHeader;
1398 std::unique_ptr<TiffHeade2> tiffHeader;
1400 std::unique_ptr<Cr2Header> cr2Header;
1403 case Exiv2::ImageType::tiff:
1404 tiffHeader = std::make_unique<TiffHeade2>();
1406 case Exiv2::ImageType::cr2:
1407 cr2Header = std::make_unique<Cr2Header>();
1409 #if EXIV2_TEST_VERSION(0,16,0)
1410 case Exiv2::ImageType::orf:
1411 tiffHeader = std::make_unique<OrfHeader>();
1414 #if EXIV2_TEST_VERSION(0,13,0)
1415 case Exiv2::ImageType::raf:
1416 if (map_len < 84 + 4) throw Error(14);
1417 offset = getULong(map_data + 84, bigEndian);
1420 case Exiv2::ImageType::crw:
1422 // Parse the image, starting with a CIFF header component
1423 auto parseTree = std::make_unique<Exiv2::CiffHeader>();
1424 parseTree->read(map_data, map_len);
1425 CiffComponent *entry = parseTree->findComponent(0x2007, 0);
1426 if (entry) offset = entry->pData() - map_data;
1431 throw Error(3, "RAW");
1434 // process tiff-like formats
1436 TiffCompFactoryFct createFct = TiffCreator::create;
1438 rootDir = createFct(Tag::root, Group::none);
1439 if (0 == rootDir.get()) {
1440 throw Error(1, "No root element defined in TIFF structure");
1445 if (!tiffHeader->read(map_data, map_len)) throw Error(3, "TIFF");
1446 #if EXIV2_TEST_VERSION(0,16,0)
1447 rootDir->setStart(map_data + tiffHeader->offset());
1449 rootDir->setStart(map_data + tiffHeader->ifdOffset());
1455 rootDir->setStart(map_data + cr2Header->offset());
1458 TiffRwState::AutoPtr state(new TiffRwState(tiffHeader ? tiffHeader->byteOrder() : littleEndian, 0, createFct));
1460 TiffReader reader(map_data,
1465 rootDir->accept(reader);
1468 RawFile::~RawFile(void)
1474 const Value * RawFile::find(uint16_t tag, uint16_t group)
1476 TiffFinder finder(tag, group);
1477 rootDir->accept(finder);
1478 TiffEntryBase* te = dynamic_cast<TiffEntryBase*>(finder.result());
1481 DEBUG_1("(tag: %04x %04x) ", tag, group);
1482 return te->pValue();
1488 unsigned long RawFile::preview_offset(void)
1491 if (offset) return offset;
1493 if (type == Exiv2::ImageType::cr2)
1495 val = find(0x111, Group::ifd0);
1496 #if EXIV2_TEST_VERSION(0,28,0)
1497 if (val) return val->toInt64();
1499 if (val) return val->tolong();
1504 val = find(0x201, Group::sub0_0);
1505 #if EXIV2_TEST_VERSION(0,28,0)
1506 if (val) return val->toInt64();
1508 if (val) return val->tolong();
1511 val = find(0x201, Group::ifd0);
1512 #if EXIV2_TEST_VERSION(0,28,0)
1513 if (val) return val->toInt64();
1515 if (val) return val->tolong();
1518 val = find(0x201, Group::ignr); // for PEF files, originally it was probably ifd2
1519 #if EXIV2_TEST_VERSION(0,28,0)
1520 if (val) return val->toInt64();
1522 if (val) return val->tolong();
1525 val = find(0x111, Group::sub0_1); // dng
1526 #if EXIV2_TEST_VERSION(0,28,0)
1527 if (val) return val->toInt64();
1529 if (val) return val->tolong();
1541 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */