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");
454 #ifdef EXV_ENABLE_BMFF
455 Exiv2::enableBMFF(TRUE);
461 static void _ExifDataProcessed_update_xmp(gpointer key, gpointer value, gpointer data)
463 exif_update_metadata((ExifData *)data, (gchar *)key, (GList *)value);
466 ExifData *exif_read(gchar *path, gchar *sidecar_path, GHashTable *modified_xmp)
468 DEBUG_1("exif read %s, sidecar: %s", path, sidecar_path ? sidecar_path : "-");
470 return new _ExifDataProcessed(path, sidecar_path, modified_xmp);
472 catch (Exiv2::AnyError& e) {
479 gboolean exif_write(ExifData *exif)
482 exif->writeMetadata();
485 catch (Exiv2::AnyError& e) {
491 gboolean exif_write_sidecar(ExifData *exif, gchar *path)
494 exif->writeMetadata(path);
497 catch (Exiv2::AnyError& e) {
505 void exif_free(ExifData *exif)
508 g_assert(dynamic_cast<_ExifDataProcessed *>(exif)); // this should not be called on ExifDataOriginal
512 ExifData *exif_get_original(ExifData *exif)
514 return exif->original();
518 ExifItem *exif_get_item(ExifData *exif, const gchar *key)
521 Exiv2::Metadatum *item = NULL;
523 Exiv2::ExifKey ekey(key);
524 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
525 if (pos == exif->exifData().end()) return NULL;
528 catch (Exiv2::AnyError& e) {
530 Exiv2::IptcKey ekey(key);
531 Exiv2::IptcData::iterator pos = exif->iptcData().findKey(ekey);
532 if (pos == exif->iptcData().end()) return NULL;
535 catch (Exiv2::AnyError& e) {
536 #if EXIV2_TEST_VERSION(0,16,0)
537 Exiv2::XmpKey ekey(key);
538 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
539 if (pos == exif->xmpData().end()) return NULL;
544 return (ExifItem *)item;
546 catch (Exiv2::AnyError& e) {
552 ExifItem *exif_add_item(ExifData *exif, const gchar *key)
555 Exiv2::Metadatum *item = NULL;
557 Exiv2::ExifKey ekey(key);
558 exif->exifData().add(ekey, NULL);
559 Exiv2::ExifData::iterator pos = exif->exifData().end(); // a hack, there should be a better way to get the currently added item
563 catch (Exiv2::AnyError& e) {
565 Exiv2::IptcKey ekey(key);
566 exif->iptcData().add(ekey, NULL);
567 Exiv2::IptcData::iterator pos = exif->iptcData().end();
571 catch (Exiv2::AnyError& e) {
572 #if EXIV2_TEST_VERSION(0,16,0)
573 Exiv2::XmpKey ekey(key);
574 exif->xmpData().add(ekey, NULL);
575 Exiv2::XmpData::iterator pos = exif->xmpData().end();
581 return (ExifItem *)item;
583 catch (Exiv2::AnyError& e) {
590 ExifItem *exif_get_first_item(ExifData *exif)
593 exif->exifIter = exif->exifData().begin();
594 exif->iptcIter = exif->iptcData().begin();
595 #if EXIV2_TEST_VERSION(0,16,0)
596 exif->xmpIter = exif->xmpData().begin();
598 if (exif->exifIter != exif->exifData().end())
600 const Exiv2::Metadatum *item = &*exif->exifIter;
602 return (ExifItem *)item;
604 if (exif->iptcIter != exif->iptcData().end())
606 const Exiv2::Metadatum *item = &*exif->iptcIter;
608 return (ExifItem *)item;
610 #if EXIV2_TEST_VERSION(0,16,0)
611 if (exif->xmpIter != exif->xmpData().end())
613 const Exiv2::Metadatum *item = &*exif->xmpIter;
615 return (ExifItem *)item;
621 catch (Exiv2::AnyError& e) {
627 ExifItem *exif_get_next_item(ExifData *exif)
630 if (exif->exifIter != exif->exifData().end())
632 const Exiv2::Metadatum *item = &*exif->exifIter;
634 return (ExifItem *)item;
636 if (exif->iptcIter != exif->iptcData().end())
638 const Exiv2::Metadatum *item = &*exif->iptcIter;
640 return (ExifItem *)item;
642 #if EXIV2_TEST_VERSION(0,16,0)
643 if (exif->xmpIter != exif->xmpData().end())
645 const Exiv2::Metadatum *item = &*exif->xmpIter;
647 return (ExifItem *)item;
652 catch (Exiv2::AnyError& e) {
658 char *exif_item_get_tag_name(ExifItem *item)
661 if (!item) return NULL;
662 return g_strdup(((Exiv2::Metadatum *)item)->key().c_str());
664 catch (Exiv2::AnyError& e) {
670 guint exif_item_get_tag_id(ExifItem *item)
674 return ((Exiv2::Metadatum *)item)->tag();
676 catch (Exiv2::AnyError& e) {
682 guint exif_item_get_elements(ExifItem *item)
686 return ((Exiv2::Metadatum *)item)->count();
688 catch (Exiv2::AnyError& e) {
694 char *exif_item_get_data(ExifItem *item, guint *data_len)
698 Exiv2::Metadatum *md = (Exiv2::Metadatum *)item;
699 if (data_len) *data_len = md->size();
700 char *data = (char *)g_malloc(md->size());
701 long res = md->copy((Exiv2::byte *)data, Exiv2::littleEndian /* should not matter */);
702 g_assert(res == md->size());
705 catch (Exiv2::AnyError& e) {
711 char *exif_item_get_description(ExifItem *item)
714 if (!item) return NULL;
715 return utf8_validate_or_convert(((Exiv2::Metadatum *)item)->tagLabel().c_str());
717 catch (std::exception& e) {
718 // debug_exception(e);
724 invalidTypeId, unsignedByte, asciiString, unsignedShort,
725 unsignedLong, unsignedRational, signedByte, undefined,
726 signedShort, signedLong, signedRational, string,
727 date, time, comment, directory,
728 xmpText, xmpAlt, xmpBag, xmpSeq,
732 static guint format_id_trans_tbl [] = {
734 EXIF_FORMAT_BYTE_UNSIGNED,
736 EXIF_FORMAT_SHORT_UNSIGNED,
737 EXIF_FORMAT_LONG_UNSIGNED,
738 EXIF_FORMAT_RATIONAL_UNSIGNED,
740 EXIF_FORMAT_UNDEFINED,
743 EXIF_FORMAT_RATIONAL,
747 EXIF_FORMAT_UNDEFINED,
756 guint exif_item_get_format_id(ExifItem *item)
759 if (!item) return EXIF_FORMAT_UNKNOWN;
760 guint id = ((Exiv2::Metadatum *)item)->typeId();
761 if (id >= (sizeof(format_id_trans_tbl) / sizeof(format_id_trans_tbl[0])) ) return EXIF_FORMAT_UNKNOWN;
762 return format_id_trans_tbl[id];
764 catch (Exiv2::AnyError& e) {
766 return EXIF_FORMAT_UNKNOWN;
770 const char *exif_item_get_format_name(ExifItem *item, gboolean brief)
773 if (!item) return NULL;
774 return ((Exiv2::Metadatum *)item)->typeName();
776 catch (Exiv2::AnyError& e) {
783 gchar *exif_item_get_data_as_text(ExifItem *item)
786 if (!item) return NULL;
787 Exiv2::Metadatum *metadatum = (Exiv2::Metadatum *)item;
788 #if EXIV2_TEST_VERSION(0,17,0)
789 return utf8_validate_or_convert(metadatum->print().c_str());
791 std::stringstream str;
792 Exiv2::Exifdatum *exifdatum;
793 Exiv2::Iptcdatum *iptcdatum;
794 #if EXIV2_TEST_VERSION(0,16,0)
795 Exiv2::Xmpdatum *xmpdatum;
797 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(metadatum)))
799 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(metadatum)))
801 #if EXIV2_TEST_VERSION(0,16,0)
802 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(metadatum)))
806 return utf8_validate_or_convert(str.str().c_str());
809 catch (Exiv2::AnyError& e) {
814 gchar *exif_item_get_string(ExifItem *item, int idx)
817 if (!item) return NULL;
818 Exiv2::Metadatum *em = (Exiv2::Metadatum *)item;
819 #if EXIV2_TEST_VERSION(0,16,0)
820 std::string str = em->toString(idx);
822 std::string str = em->toString(); /**< @FIXME ?? */
824 if (idx == 0 && str == "") str = em->toString();
825 if (str.length() > 5 && str.substr(0, 5) == "lang=")
827 std::string::size_type pos = str.find_first_of(' ');
828 if (pos != std::string::npos) str = str.substr(pos+1);
831 return utf8_validate_or_convert(str.c_str());
833 catch (Exiv2::AnyError& e) {
839 gint exif_item_get_integer(ExifItem *item, gint *value)
842 if (!item || exif_item_get_elements(item) == 0) return 0;
843 *value = ((Exiv2::Metadatum *)item)->toLong();
846 catch (Exiv2::AnyError& e) {
852 ExifRational *exif_item_get_rational(ExifItem *item, gint *sign, guint n)
855 if (!item) return NULL;
856 if (n >= exif_item_get_elements(item)) return NULL;
857 Exiv2::Rational v = ((Exiv2::Metadatum *)item)->toRational(n);
858 static ExifRational ret;
861 if (sign) *sign = (((Exiv2::Metadatum *)item)->typeId() == Exiv2::signedRational);
864 catch (Exiv2::AnyError& e) {
870 gchar *exif_get_tag_description_by_key(const gchar *key)
873 Exiv2::ExifKey ekey(key);
874 return utf8_validate_or_convert(ekey.tagLabel().c_str());
876 catch (Exiv2::AnyError& e) {
878 Exiv2::IptcKey ikey(key);
879 return utf8_validate_or_convert(ikey.tagLabel().c_str());
881 catch (Exiv2::AnyError& e) {
883 #if EXIV2_TEST_VERSION(0,16,0)
884 Exiv2::XmpKey xkey(key);
885 return utf8_validate_or_convert(xkey.tagLabel().c_str());
888 catch (Exiv2::AnyError& e) {
897 static const AltKey *find_alt_key(const gchar *xmp_key)
901 while (alt_keys[i].xmp_key)
903 if (strcmp(xmp_key, alt_keys[i].xmp_key) == 0) return &alt_keys[i];
909 static gint exif_update_metadata_simple(ExifData *exif, const gchar *key, const GList *values)
912 const GList *work = values;
915 Exiv2::ExifKey ekey(key);
917 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
918 while (pos != exif->exifData().end())
920 exif->exifData().erase(pos);
921 pos = exif->exifData().findKey(ekey);
926 exif->exifData()[key] = (gchar *)work->data;
930 catch (Exiv2::AnyError& e) {
931 #if EXIV2_TEST_VERSION(0,16,0)
935 Exiv2::IptcKey ekey(key);
936 Exiv2::IptcData::iterator pos = exif->iptcData().findKey(ekey);
937 while (pos != exif->iptcData().end())
939 exif->iptcData().erase(pos);
940 pos = exif->iptcData().findKey(ekey);
945 exif->iptcData()[key] = (gchar *)work->data;
949 #if EXIV2_TEST_VERSION(0,16,0)
950 catch (Exiv2::AnyError& e) {
951 Exiv2::XmpKey ekey(key);
952 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
953 while (pos != exif->xmpData().end())
955 exif->xmpData().erase(pos);
956 pos = exif->xmpData().findKey(ekey);
961 exif->xmpData()[key] = (gchar *)work->data;
969 catch (Exiv2::AnyError& e) {
975 gint exif_update_metadata(ExifData *exif, const gchar *key, const GList *values)
977 gint ret = exif_update_metadata_simple(exif, key, values);
980 #if !EXIV2_TEST_VERSION(0,17,0)
981 TRUE || /* no conversion support */
983 !values || /* deleting item */
984 !ret /* writing to the explicitly given xmp tag failed */
987 /* deleted xmp metadatum can't be converted, we have to delete also the corresponding legacy tag */
988 /* if we can't write xmp, update at least the legacy tag */
989 const AltKey *alt_key = find_alt_key(key);
990 if (alt_key && alt_key->iptc_key)
991 ret = exif_update_metadata_simple(exif, alt_key->iptc_key, values);
993 if (alt_key && alt_key->exif_key)
994 ret = exif_update_metadata_simple(exif, alt_key->exif_key, values);
1000 static GList *exif_add_value_to_glist(GList *list, Exiv2::Metadatum &item, MetadataFormat format, const Exiv2::ExifData *metadata)
1002 #if EXIV2_TEST_VERSION(0,16,0)
1003 Exiv2::TypeId id = item.typeId();
1004 if (format == METADATA_FORMATTED ||
1005 id == Exiv2::asciiString ||
1006 id == Exiv2::undefined ||
1007 id == Exiv2::string ||
1008 id == Exiv2::date ||
1009 id == Exiv2::time ||
1010 id == Exiv2::xmpText ||
1011 id == Exiv2::langAlt ||
1012 id == Exiv2::comment
1016 /* read as a single entry */
1019 if (format == METADATA_FORMATTED)
1021 #if EXIV2_TEST_VERSION(0,17,0)
1023 #if EXIV2_TEST_VERSION(0,18,0)
1028 std::stringstream stream;
1029 Exiv2::Exifdatum *exifdatum;
1030 Exiv2::Iptcdatum *iptcdatum;
1031 #if EXIV2_TEST_VERSION(0,16,0)
1032 Exiv2::Xmpdatum *xmpdatum;
1034 if ((exifdatum = dynamic_cast<Exiv2::Exifdatum *>(&item)))
1035 stream << *exifdatum;
1036 else if ((iptcdatum = dynamic_cast<Exiv2::Iptcdatum *>(&item)))
1037 stream << *iptcdatum;
1038 #if EXIV2_TEST_VERSION(0,16,0)
1039 else if ((xmpdatum = dynamic_cast<Exiv2::Xmpdatum *>(&item)))
1040 stream << *xmpdatum;
1044 if (str.length() > 1024)
1046 /* truncate very long strings, they cause problems in gui */
1053 str = item.toString();
1055 if (str.length() > 5 && str.substr(0, 5) == "lang=")
1057 std::string::size_type pos = str.find_first_of(' ');
1058 if (pos != std::string::npos) str = str.substr(pos+1);
1060 list = g_list_append(list, utf8_validate_or_convert(str.c_str()));
1061 #if EXIV2_TEST_VERSION(0,16,0)
1065 /* read as a list */
1067 for (i = 0; i < item.count(); i++)
1068 list = g_list_append(list, utf8_validate_or_convert(item.toString(i).c_str()));
1074 static GList *exif_get_metadata_simple(ExifData *exif, const gchar *key, MetadataFormat format)
1079 Exiv2::ExifKey ekey(key);
1080 Exiv2::ExifData::iterator pos = exif->exifData().findKey(ekey);
1081 if (pos != exif->exifData().end())
1082 list = exif_add_value_to_glist(list, *pos, format, &exif->exifData());
1085 catch (Exiv2::AnyError& e) {
1087 Exiv2::IptcKey ekey(key);
1088 Exiv2::IptcData::iterator pos = exif->iptcData().begin();
1089 while (pos != exif->iptcData().end())
1091 if (pos->key() == key)
1092 list = exif_add_value_to_glist(list, *pos, format, NULL);
1097 catch (Exiv2::AnyError& e) {
1098 #if EXIV2_TEST_VERSION(0,16,0)
1099 Exiv2::XmpKey ekey(key);
1100 Exiv2::XmpData::iterator pos = exif->xmpData().findKey(ekey);
1101 if (pos != exif->xmpData().end())
1102 list = exif_add_value_to_glist(list, *pos, format, NULL);
1107 catch (Exiv2::AnyError& e) {
1113 GList *exif_get_metadata(ExifData *exif, const gchar *key, MetadataFormat format)
1117 if (!key) return NULL;
1119 if (format == METADATA_FORMATTED)
1123 text = exif_get_formatted_by_key(exif, key, &key_valid);
1124 if (key_valid) return g_list_append(NULL, text);
1127 list = exif_get_metadata_simple(exif, key, format);
1129 /* the following code can be ifdefed out as soon as Exiv2 supports it */
1132 const AltKey *alt_key = find_alt_key(key);
1133 if (alt_key && alt_key->iptc_key)
1134 list = exif_get_metadata_simple(exif, alt_key->iptc_key, format);
1136 #if !EXIV2_TEST_VERSION(0,17,0)
1137 /* with older Exiv2 versions exif is not synced */
1138 if (!list && alt_key && alt_key->exif_key)
1139 list = exif_get_metadata_simple(exif, alt_key->exif_key, format);
1146 void exif_add_jpeg_color_profile(ExifData *exif, unsigned char *cp_data, guint cp_length)
1148 exif->add_jpeg_color_profile(cp_data, cp_length);
1151 guchar *exif_get_color_profile(ExifData *exif, guint *data_len)
1153 guchar *ret = exif->get_jpeg_color_profile(data_len);
1154 if (ret) return ret;
1156 ExifItem *prof_item = exif_get_item(exif, "Exif.Image.InterColorProfile");
1157 if (prof_item && exif_item_get_format_id(prof_item) == EXIF_FORMAT_UNDEFINED)
1158 ret = (guchar *)exif_item_get_data(prof_item, data_len);
1162 gchar* exif_get_image_comment(FileData* fd)
1164 if (!fd || !fd->exif)
1165 return g_strdup("");
1167 return g_strdup(fd->exif->image_comment().c_str());
1170 void exif_set_image_comment(FileData* fd, const gchar* comment)
1172 if (!fd || !fd->exif)
1175 fd->exif->set_image_comment(comment ? comment : "");
1179 #if EXIV2_TEST_VERSION(0,17,90)
1181 guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1183 if (!exif) return NULL;
1185 if (!exif->image()) return NULL;
1187 std::string const path = exif->image()->io().path();
1188 /* given image pathname, first do simple (and fast) file extension test */
1189 gboolean is_raw = filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE);
1191 if (!is_raw && requested_width == 0) return NULL;
1195 Exiv2::PreviewManager pm(*exif->image());
1197 Exiv2::PreviewPropertiesList list = pm.getPreviewProperties();
1201 Exiv2::PreviewPropertiesList::iterator pos;
1202 Exiv2::PreviewPropertiesList::iterator last = --list.end();
1204 if (requested_width == 0)
1206 pos = last; // the largest
1213 if (pos->width_ >= (uint32_t)requested_width &&
1214 pos->height_ >= (uint32_t)requested_height) break;
1218 // we are not interested in smaller thumbnails in normal image formats - we can use full image instead
1221 if (pos->width_ < (uint32_t)requested_width || pos->height_ < (uint32_t)requested_height) return NULL;
1225 Exiv2::PreviewImage image = pm.getPreviewImage(*pos);
1227 Exiv2::DataBuf buf = image.copy();
1228 std::pair<Exiv2::byte*, long> p = buf.release();
1230 *data_len = p.second;
1235 catch (Exiv2::AnyError& e) {
1241 void exif_free_preview(guchar *buf)
1243 delete[] (Exiv2::byte*)buf;
1248 #if !EXIV2_TEST_VERSION(0,17,90)
1250 /* This is a dirty hack to support raw file preview, bassed on
1251 tiffparse.cpp from Exiv2 examples */
1256 RawFile(Exiv2::BasicIo &io);
1259 const Exiv2::Value *find(uint16_t tag, uint16_t group);
1261 unsigned long preview_offset();
1265 Exiv2::TiffComponent::AutoPtr rootDir;
1266 Exiv2::BasicIo &io_;
1267 const Exiv2::byte *map_data;
1269 unsigned long offset;
1272 typedef struct _UnmapData UnmapData;
1280 static GList *exif_unmap_list = 0;
1282 extern "C" guchar *exif_get_preview(ExifData *exif, guint *data_len, gint requested_width, gint requested_height)
1284 unsigned long offset;
1286 if (!exif) return NULL;
1287 if (!exif->image()) return NULL;
1289 std::string const path = exif->image()->io().path();
1291 /* given image pathname, first do simple (and fast) file extension test */
1292 if (!filter_file_class(path.c_str(), FORMAT_CLASS_RAWIMAGE)) return NULL;
1301 RawFile rf(exif->image()->io());
1302 offset = rf.preview_offset();
1303 DEBUG_1("%s: offset %lu", path.c_str(), offset);
1305 fd = open(path.c_str(), O_RDONLY);
1311 if (fstat(fd, &st) == -1)
1316 map_len = st.st_size;
1317 map_data = (guchar *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1319 if (map_data == MAP_FAILED)
1323 *data_len = map_len - offset;
1324 ud = g_new(UnmapData, 1);
1325 ud->ptr = map_data + offset;
1326 ud->map_data = map_data;
1327 ud->map_len = map_len;
1329 exif_unmap_list = g_list_prepend(exif_unmap_list, ud);
1333 catch (Exiv2::AnyError& e) {
1340 void exif_free_preview(guchar *buf)
1342 GList *work = exif_unmap_list;
1346 UnmapData *ud = (UnmapData *)work->data;
1349 munmap(ud->map_data, ud->map_len);
1350 exif_unmap_list = g_list_remove_link(exif_unmap_list, work);
1356 g_assert_not_reached();
1359 using namespace Exiv2;
1361 RawFile::RawFile(BasicIo &io) : io_(io), map_data(NULL), map_len(0), offset(0)
1365 if (fstat(fd, &st) == -1)
1369 map_len = st.st_size;
1370 map_data = (Exiv2::byte *) mmap(0, map_len, PROT_READ, MAP_PRIVATE, fd, 0);
1371 if (map_data == MAP_FAILED)
1376 if (io.open() != 0) {
1377 throw Error(9, io.path(), strError());
1380 map_data = io.mmap();
1381 map_len = io.size();
1384 type = Exiv2::ImageFactory::getType(map_data, map_len);
1386 #if EXIV2_TEST_VERSION(0,16,0)
1387 TiffHeaderBase *tiffHeader = NULL;
1389 TiffHeade2 *tiffHeader = NULL;
1391 Cr2Header *cr2Header = NULL;
1394 case Exiv2::ImageType::tiff:
1395 tiffHeader = new TiffHeade2();
1397 case Exiv2::ImageType::cr2:
1398 cr2Header = new Cr2Header();
1400 #if EXIV2_TEST_VERSION(0,16,0)
1401 case Exiv2::ImageType::orf:
1402 tiffHeader = new OrfHeader();
1405 #if EXIV2_TEST_VERSION(0,13,0)
1406 case Exiv2::ImageType::raf:
1407 if (map_len < 84 + 4) throw Error(14);
1408 offset = getULong(map_data + 84, bigEndian);
1411 case Exiv2::ImageType::crw:
1413 // Parse the image, starting with a CIFF header component
1414 Exiv2::CiffHeader::AutoPtr parseTree(new Exiv2::CiffHeader);
1415 parseTree->read(map_data, map_len);
1416 CiffComponent *entry = parseTree->findComponent(0x2007, 0);
1417 if (entry) offset = entry->pData() - map_data;
1422 throw Error(3, "RAW");
1425 // process tiff-like formats
1427 TiffCompFactoryFct createFct = TiffCreator::create;
1429 rootDir = createFct(Tag::root, Group::none);
1430 if (0 == rootDir.get()) {
1431 throw Error(1, "No root element defined in TIFF structure");
1436 if (!tiffHeader->read(map_data, map_len)) throw Error(3, "TIFF");
1437 #if EXIV2_TEST_VERSION(0,16,0)
1438 rootDir->setStart(map_data + tiffHeader->offset());
1440 rootDir->setStart(map_data + tiffHeader->ifdOffset());
1446 rootDir->setStart(map_data + cr2Header->offset());
1449 TiffRwState::AutoPtr state(new TiffRwState(tiffHeader ? tiffHeader->byteOrder() : littleEndian, 0, createFct));
1451 TiffReader reader(map_data,
1456 rootDir->accept(reader);
1464 RawFile::~RawFile(void)
1470 const Value * RawFile::find(uint16_t tag, uint16_t group)
1472 TiffFinder finder(tag, group);
1473 rootDir->accept(finder);
1474 TiffEntryBase* te = dynamic_cast<TiffEntryBase*>(finder.result());
1477 DEBUG_1("(tag: %04x %04x) ", tag, group);
1478 return te->pValue();
1484 unsigned long RawFile::preview_offset(void)
1487 if (offset) return offset;
1489 if (type == Exiv2::ImageType::cr2)
1491 val = find(0x111, Group::ifd0);
1492 if (val) return val->toLong();
1497 val = find(0x201, Group::sub0_0);
1498 if (val) return val->toLong();
1500 val = find(0x201, Group::ifd0);
1501 if (val) return val->toLong();
1503 val = find(0x201, Group::ignr); // for PEF files, originally it was probably ifd2
1504 if (val) return val->toLong();
1506 val = find(0x111, Group::sub0_1); // dng
1507 if (val) return val->toLong();
1518 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */