GBytes* gexiv2_metadata_get_iptc_tag_raw (GExiv2Metadata *self, const gchar* tag) { g_return_val_if_fail(GEXIV2_IS_METADATA (self), NULL); g_return_val_if_fail(tag != NULL, NULL); g_return_val_if_fail(self->priv->image.get() != NULL, NULL); Exiv2::IptcData& iptc_data = self->priv->image->iptcData(); try { Exiv2::IptcData::iterator it = iptc_data.findKey(Exiv2::IptcKey(tag)); while (it != iptc_data.end() && it->count() == 0) it++; if (it != iptc_data.end()) { long size = it->size(); if( size > 0 ) { gpointer data = g_malloc(size); it->copy((Exiv2::byte*)data, Exiv2::invalidByteOrder); return g_bytes_new_take(data, size); } } } catch (Exiv2::Error& e) { LOG_ERROR(e); } return NULL; }
QStringList KExiv2::getIptcSubCategories() const { try { if (!d->iptcMetadata().empty()) { QStringList subCategories; Exiv2::IptcData iptcData(d->iptcMetadata()); for (Exiv2::IptcData::iterator it = iptcData.begin(); it != iptcData.end(); ++it) { QString key = QString::fromLocal8Bit(it->key().c_str()); if (key == QString("Iptc.Application2.SuppCategory")) { QString val(it->toString().c_str()); subCategories.append(val); } } return subCategories; } } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot get Iptc Sub Categories from image using Exiv2 ", e); } return QStringList(); }
QStringList KExiv2::getIptcTagsStringList(const char* iptcTagName, bool escapeCR) const { try { if (!d->iptcMetadata().empty()) { QStringList values; Exiv2::IptcData iptcData(d->iptcMetadata()); for (Exiv2::IptcData::iterator it = iptcData.begin(); it != iptcData.end(); ++it) { QString key = QString::fromLocal8Bit(it->key().c_str()); if (key == QString(iptcTagName)) { QString tagValue(it->toString().c_str()); if (escapeCR) tagValue.replace('\n', ' '); values.append(tagValue); } } return values; } } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError(QString("Cannot find Iptc key '%1' into image using Exiv2 ") .arg(iptcTagName), e); } return QStringList(); }
bool KExiv2::removeIptcTag(const char* iptcTagName, bool setProgramName) const { if (!setProgramId(setProgramName)) return false; try { Exiv2::IptcData::iterator it = d->iptcMetadata().begin(); int i = 0; while(it != d->iptcMetadata().end()) { QString key = QString::fromLocal8Bit(it->key().c_str()); if (key == QString(iptcTagName)) { it = d->iptcMetadata().erase(it); ++i; } else { ++it; } }; if (i > 0) return true; } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot remove Iptc tag using Exiv2 ", e); } return false; }
// ***************************************************************************** // Main int main(int argc, char* const argv[]) try { if (argc != 2) { std::cout << "Usage: " << argv[0] << " file\n"; return 1; } Exiv2::IptcData iptcData; int rc = iptcData.read(argv[1]); if (rc) { std::string error = Exiv2::IptcData::strError(rc, argv[1]); throw Exiv2::Error(error); } Exiv2::IptcData::iterator end = iptcData.end(); for (Exiv2::IptcData::iterator i = iptcData.begin(); i != end; ++i) { std::cout << std::setw(40) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::dec << i->value() << "\n"; } return rc; } catch (Exiv2::Error& e) { std::cout << "Caught Exiv2 exception '" << e << "'\n"; return -1; }
bool KExiv2::setIptcTagsStringList(const char* iptcTagName, int maxSize, const QStringList& oldValues, const QStringList& newValues, bool setProgramName) const { if (!setProgramId(setProgramName)) return false; try { QStringList oldvals = oldValues; QStringList newvals = newValues; kDebug() << d->filePath.toAscii().constData() << " : " << iptcTagName << " => " << newvals.join(",").toAscii().constData(); // Remove all old values. Exiv2::IptcData iptcData(d->iptcMetadata()); Exiv2::IptcData::iterator it = iptcData.begin(); while(it != iptcData.end()) { QString key = QString::fromLocal8Bit(it->key().c_str()); QString val(it->toString().c_str()); // Also remove new values to avoid duplicates. They will be added again below. if ( key == QString(iptcTagName) && (oldvals.contains(val) || newvals.contains(val)) ) it = iptcData.erase(it); else ++it; }; // Add new values. Exiv2::IptcKey iptcTag(iptcTagName); for (QStringList::iterator it = newvals.begin(); it != newvals.end(); ++it) { QString key = *it; key.truncate(maxSize); Exiv2::Value::AutoPtr val = Exiv2::Value::create(Exiv2::string); val->read(key.toLatin1().constData()); iptcData.add(iptcTag, val.get()); } d->iptcMetadata() = iptcData; return true; } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError(QString("Cannot set Iptc key '%1' into image using Exiv2 ") .arg(iptcTagName), e); } return false; }
bool KExiv2::setIptcKeywords(const QStringList& oldKeywords, const QStringList& newKeywords, bool setProgramName) const { if (!setProgramId(setProgramName)) return false; try { QStringList oldkeys = oldKeywords; QStringList newkeys = newKeywords; kDebug() << d->filePath.toAscii().constData() << " ==> Iptc Keywords: " << newkeys.join(",").toAscii().constData(); // Remove all old keywords. Exiv2::IptcData iptcData(d->iptcMetadata()); Exiv2::IptcData::iterator it = iptcData.begin(); while(it != iptcData.end()) { QString key = QString::fromLocal8Bit(it->key().c_str()); QString val(it->toString().c_str()); // Also remove new keywords to avoid duplicates. They will be added again below. if ( key == QString("Iptc.Application2.Keywords") && (oldKeywords.contains(val) || newKeywords.contains(val)) ) it = iptcData.erase(it); else ++it; }; // Add new keywords. Note that Keywords Iptc tag is limited to 64 char but can be redondant. Exiv2::IptcKey iptcTag("Iptc.Application2.Keywords"); for (QStringList::iterator it = newkeys.begin(); it != newkeys.end(); ++it) { QString key = *it; key.truncate(64); Exiv2::Value::AutoPtr val = Exiv2::Value::create(Exiv2::string); val->read(key.toLatin1().constData()); iptcData.add(iptcTag, val.get()); } d->iptcMetadata() = iptcData; return true; } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot set Iptc Keywords into image using Exiv2 ", e); } return false; }
bool KExiv2::setIptcSubCategories(const QStringList& oldSubCategories, const QStringList& newSubCategories, bool setProgramName) const { if (!setProgramId(setProgramName)) return false; try { QStringList oldkeys = oldSubCategories; QStringList newkeys = newSubCategories; // Remove all old Sub Categories. Exiv2::IptcData iptcData(d->iptcMetadata()); Exiv2::IptcData::iterator it = iptcData.begin(); while(it != iptcData.end()) { QString key = QString::fromLocal8Bit(it->key().c_str()); QString val(it->toString().c_str()); if (key == QString("Iptc.Application2.SuppCategory") && oldSubCategories.contains(val)) it = iptcData.erase(it); else ++it; }; // Add new Sub Categories. Note that SubCategories Iptc tag is limited to 32 // characters but can be redondant. Exiv2::IptcKey iptcTag("Iptc.Application2.SuppCategory"); for (QStringList::iterator it = newkeys.begin(); it != newkeys.end(); ++it) { QString key = *it; key.truncate(32); Exiv2::Value::AutoPtr val = Exiv2::Value::create(Exiv2::string); val->read(key.toLatin1().constData()); iptcData.add(iptcTag, val.get()); } d->iptcMetadata() = iptcData; return true; } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot set Iptc Sub Categories into image using Exiv2 ", e); } return false; }
gboolean gexiv2_metadata_has_iptc_tag(GExiv2Metadata *self, const gchar* tag) { g_return_val_if_fail(GEXIV2_IS_METADATA(self), FALSE); g_return_val_if_fail(tag != NULL, FALSE); g_return_val_if_fail(self->priv->image.get() != NULL, FALSE); Exiv2::IptcData &iptc_data = self->priv->image->iptcData(); for (Exiv2::IptcData::iterator it = iptc_data.begin(); it != iptc_data.end(); ++it) { if (it->count() > 0 && g_ascii_strcasecmp(tag, it->key().c_str()) == 0) return TRUE; } return FALSE; }
void ThumbView::updateExifInfo(QString imageFullPath) { Exiv2::Image::AutoPtr exifImage; QString key; QString val; try { exifImage = Exiv2::ImageFactory::open(imageFullPath.toStdString()); exifImage->readMetadata(); } catch (Exiv2::Error &error) { return; } Exiv2::ExifData &exifData = exifImage->exifData(); if (!exifData.empty()) { Exiv2::ExifData::const_iterator end = exifData.end(); infoView->addTitleEntry("Exif"); for (Exiv2::ExifData::const_iterator md = exifData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } Exiv2::IptcData &iptcData = exifImage->iptcData(); if (!iptcData.empty()) { Exiv2::IptcData::iterator end = iptcData.end(); infoView->addTitleEntry("IPTC"); for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } Exiv2::XmpData &xmpData = exifImage->xmpData(); if (!xmpData.empty()) { Exiv2::XmpData::iterator end = xmpData.end(); infoView->addTitleEntry("XMP"); for (Exiv2::XmpData::iterator md = xmpData.begin(); md != end; ++md) { key = QString::fromUtf8(md->tagName().c_str()); val = QString::fromUtf8(md->print().c_str()); infoView->addEntry(key, val); } } }
bool ImageTags::writeTagsToImage(QString &imageFileName, QSet<QString> &newTags) { QSet<QString> imageTags; Exiv2::Image::AutoPtr exifImage; try { exifImage = Exiv2::ImageFactory::open(imageFileName.toStdString()); exifImage->readMetadata(); Exiv2::IptcData newIptcData; /* copy existing data */ Exiv2::IptcData &iptcData = exifImage->iptcData(); if (!iptcData.empty()) { QString key; Exiv2::IptcData::iterator end = iptcData.end(); for (Exiv2::IptcData::iterator iptcIt = iptcData.begin(); iptcIt != end; ++iptcIt) { if (iptcIt->tagName() != "Keywords") { newIptcData.add(*iptcIt); } } } /* add new tags */ QSetIterator<QString> newTagsIt(newTags); while (newTagsIt.hasNext()) { QString tag = newTagsIt.next(); Exiv2::Value::AutoPtr value = Exiv2::Value::create(Exiv2::string); value->read(tag.toStdString()); Exiv2::IptcKey key("Iptc.Application2.Keywords"); newIptcData.add(key, value.get()); } exifImage->setIptcData(newIptcData); exifImage->writeMetadata(); } catch (Exiv2::Error &error) { QMessageBox msgBox; msgBox.critical(this, tr("Error"), tr("Failed to save tags to ") + imageFileName); return false; } return true; }
bool getIptcKeywords(Exiv2::IptcData &iptcData, bool isIptcUtf8, QStringList &keywords) { bool anyAdded = false; try { QString keywordsTagName = QString::fromLatin1(IPTC_KEYWORDS); for (Exiv2::IptcData::iterator it = iptcData.begin(); it != iptcData.end(); ++it) { QString key = QString::fromLocal8Bit(it->key().c_str()); if (key == keywordsTagName) { QString tag; if (isIptcUtf8) { tag = QString::fromUtf8(it->toString().c_str()); } else { tag = QString::fromLocal8Bit(it->toString().c_str()); } keywords.append(tag); anyAdded = true; } } if (keywords.length() == 1 && keywords[0].contains(',')) { LOG_DEBUG << "processing legacy saved keywords"; QString composite = keywords[0]; keywords.clear(); keywords += decomposeKeyword(composite); } } catch (Exiv2::Error &e) { LOG_WARNING << "Exiv2 error:" << e.what(); anyAdded = false; } catch (...) { LOG_WARNING << "Exception"; anyAdded = false; #ifdef QT_DEBUG throw; #endif } return anyAdded; }
gchar* gexiv2_metadata_get_iptc_tag_string (GExiv2Metadata *self, const gchar* tag) { g_return_val_if_fail(GEXIV2_IS_METADATA (self), NULL); g_return_val_if_fail(tag != NULL, NULL); g_return_val_if_fail(self->priv->image.get() != NULL, NULL); Exiv2::IptcData& iptc_data = self->priv->image->iptcData(); try { Exiv2::IptcData::iterator it = iptc_data.findKey(Exiv2::IptcKey(tag)); while (it != iptc_data.end() && it->count() == 0) it++; if (it != iptc_data.end()) return g_strdup (it->toString ().c_str ()); } catch (Exiv2::Error& e) { LOG_ERROR(e); } return NULL; }
gboolean gexiv2_metadata_clear_iptc_tag(GExiv2Metadata *self, const gchar* tag) { g_return_val_if_fail(GEXIV2_IS_METADATA(self), FALSE); g_return_val_if_fail(tag != NULL, FALSE); g_return_val_if_fail(self->priv->image.get() != NULL, FALSE); Exiv2::IptcData &iptc_data = self->priv->image->iptcData(); gboolean erased = FALSE; Exiv2::IptcData::iterator it = iptc_data.begin(); while (it != iptc_data.end()) { if (it->count() > 0 && g_ascii_strcasecmp(tag, it->key().c_str()) == 0) { it = iptc_data.erase(it); erased = TRUE; } else { it++; } } return erased; }
int main(int argc, char* const argv[]) try { if (argc != 2) { std::cout << "Usage: " << argv[0] << " file\n"; return 1; } Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]); assert (image.get() != 0); image->readMetadata(); Exiv2::IptcData &iptcData = image->iptcData(); if (iptcData.empty()) { std::string error(argv[1]); error += ": No IPTC data found in the file"; throw Exiv2::Error(1, error); } Exiv2::IptcData::iterator end = iptcData.end(); for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) { std::cout << std::setw(44) << std::setfill(' ') << std::left << md->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << md->tag() << " " << std::setw(9) << std::setfill(' ') << std::left << md->typeName() << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << md->count() << " " << std::dec << md->value() << std::endl; } return 0; } catch (Exiv2::AnyError& e) { std::cout << "Caught Exiv2 exception '" << e << "'\n"; return -1; }
QDateTime KExiv2::getDigitizationDateTime(bool fallbackToCreationTime) const { try { // In first, trying to get Date & time from Exif tags. if (!d->exifMetadata().empty()) { // Try Exif date time digitized. Exiv2::ExifData exifData(d->exifMetadata()); Exiv2::ExifKey key("Exif.Photo.DateTimeDigitized"); Exiv2::ExifData::iterator it = exifData.findKey(key); if (it != exifData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime (Exif digitalized): " << dateTime.toString().toAscii().constData(); return dateTime; } } } // In second, trying to get Date & time from Iptc tags. if (!d->iptcMetadata().empty()) { // Try digitization Iptc date time entries. Exiv2::IptcData iptcData(d->iptcMetadata()); Exiv2::IptcKey keyDigitizationDate("Iptc.Application2.DigitizationDate"); Exiv2::IptcData::iterator it = iptcData.findKey(keyDigitizationDate); if (it != iptcData.end()) { QString IptcDateDigitization(it->toString().c_str()); Exiv2::IptcKey keyDigitizationTime("Iptc.Application2.DigitizationTime"); Exiv2::IptcData::iterator it2 = iptcData.findKey(keyDigitizationTime); if (it2 != iptcData.end()) { QString IptcTimeDigitization(it2->toString().c_str()); QDate date = QDate::fromString(IptcDateDigitization, Qt::ISODate); QTime time = QTime::fromString(IptcTimeDigitization, Qt::ISODate); QDateTime dateTime = QDateTime(date, time); if (dateTime.isValid()) { kDebug() << "Date (IPTC digitalized): " << dateTime.toString().toAscii().constData(); return dateTime; } } } } } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot parse Exif digitization date & time tag using Exiv2 ", e); } catch(...) { kError() << "Default exception from Exiv2"; } if (fallbackToCreationTime) return getImageDateTime(); else return QDateTime(); }
QDateTime KExiv2::getImageDateTime() const { try { // In first, trying to get Date & time from Exif tags. if (!d->exifMetadata().empty()) { Exiv2::ExifData exifData(d->exifMetadata()); { Exiv2::ExifKey key("Exif.Photo.DateTimeOriginal"); Exiv2::ExifData::iterator it = exifData.findKey(key); if (it != exifData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Exif.Photo.DateTimeOriginal => " << dateTime; return dateTime; } } } { Exiv2::ExifKey key("Exif.Photo.DateTimeDigitized"); Exiv2::ExifData::iterator it = exifData.findKey(key); if (it != exifData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Exif.Photo.DateTimeDigitized => " << dateTime; return dateTime; } } } { Exiv2::ExifKey key("Exif.Image.DateTime"); Exiv2::ExifData::iterator it = exifData.findKey(key); if (it != exifData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Exif.Image.DateTime => " << dateTime; return dateTime; } } } } // In second, trying to get Date & time from Xmp tags. #ifdef _XMP_SUPPORT_ if (!d->xmpMetadata().empty()) { Exiv2::XmpData xmpData(d->xmpMetadata()); { Exiv2::XmpKey key("Xmp.exif.DateTimeOriginal"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.exif.DateTimeOriginal => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.exif.DateTimeDigitized"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.exif.DateTimeDigitized => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.photoshop.DateCreated"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.photoshop.DateCreated => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.xmp.CreateDate"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.xmp.CreateDate => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.tiff.DateTime"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.tiff.DateTime => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.xmp.ModifyDate"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.xmp.ModifyDate => " << dateTime; return dateTime; } } } { Exiv2::XmpKey key("Xmp.xmp.MetadataDate"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(it->toString().c_str(), Qt::ISODate); if (dateTime.isValid()) { kDebug() << "DateTime => Xmp.xmp.MetadataDate => " << dateTime; return dateTime; } } } } #endif // _XMP_SUPPORT_ // In third, trying to get Date & time from Iptc tags. if (!d->iptcMetadata().empty()) { Exiv2::IptcData iptcData(d->iptcMetadata()); // Try creation Iptc date & time entries. Exiv2::IptcKey keyDateCreated("Iptc.Application2.DateCreated"); Exiv2::IptcData::iterator it = iptcData.findKey(keyDateCreated); if (it != iptcData.end()) { QString IptcDateCreated(it->toString().c_str()); Exiv2::IptcKey keyTimeCreated("Iptc.Application2.TimeCreated"); Exiv2::IptcData::iterator it2 = iptcData.findKey(keyTimeCreated); if (it2 != iptcData.end()) { QString IptcTimeCreated(it2->toString().c_str()); QDate date = QDate::fromString(IptcDateCreated, Qt::ISODate); QTime time = QTime::fromString(IptcTimeCreated, Qt::ISODate); QDateTime dateTime = QDateTime(date, time); if (dateTime.isValid()) { kDebug() << "DateTime => Iptc.Application2.DateCreated => " << dateTime; return dateTime; } } } // Try digitization Iptc date & time entries. Exiv2::IptcKey keyDigitizationDate("Iptc.Application2.DigitizationDate"); Exiv2::IptcData::iterator it3 = iptcData.findKey(keyDigitizationDate); if (it3 != iptcData.end()) { QString IptcDateDigitization(it3->toString().c_str()); Exiv2::IptcKey keyDigitizationTime("Iptc.Application2.DigitizationTime"); Exiv2::IptcData::iterator it4 = iptcData.findKey(keyDigitizationTime); if (it4 != iptcData.end()) { QString IptcTimeDigitization(it4->toString().c_str()); QDate date = QDate::fromString(IptcDateDigitization, Qt::ISODate); QTime time = QTime::fromString(IptcTimeDigitization, Qt::ISODate); QDateTime dateTime = QDateTime(date, time); if (dateTime.isValid()) { kDebug() << "DateTime => Iptc.Application2.DigitizationDate => " << dateTime; return dateTime; } } } } } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError("Cannot parse Exif date & time tag using Exiv2 ", e); } catch(...) { kError() << "Default exception from Exiv2"; } return QDateTime(); }
QDateTime MetaEngine::getDigitizationDateTime(bool fallbackToCreationTime) const { try { // In first, trying to get Date & time from Exif tags. if (!d->exifMetadata().empty()) { // Try Exif date time digitized. Exiv2::ExifData exifData(d->exifMetadata()); Exiv2::ExifKey key("Exif.Photo.DateTimeDigitized"); Exiv2::ExifData::iterator it = exifData.findKey(key); if (it != exifData.end()) { QDateTime dateTime = QDateTime::fromString(QString::fromLatin1(it->toString().c_str()), Qt::ISODate); if (dateTime.isValid()) { qCDebug(DIGIKAM_METAENGINE_LOG) << "DateTime (Exif digitalized): " << dateTime.toString().toLatin1().constData(); return dateTime; } } } // In second, we trying XMP #ifdef _XMP_SUPPORT_ if (!d->xmpMetadata().empty()) { Exiv2::XmpData xmpData(d->xmpMetadata()); { Exiv2::XmpKey key("Xmp.exif.DateTimeDigitized"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(QString::fromLatin1(it->toString().c_str()), Qt::ISODate); if (dateTime.isValid()) { qCDebug(DIGIKAM_METAENGINE_LOG) << "DateTime (XMP-Exif digitalized): " << dateTime.toString().toLatin1().constData(); return dateTime; } } } { Exiv2::XmpKey key("Xmp.video.DateTimeDigitized"); Exiv2::XmpData::iterator it = xmpData.findKey(key); if (it != xmpData.end()) { QDateTime dateTime = QDateTime::fromString(QString::fromLatin1(it->toString().c_str()), Qt::ISODate); if (dateTime.isValid()) { qCDebug(DIGIKAM_METAENGINE_LOG) << "DateTime (XMP-Video digitalized): " << dateTime.toString().toLatin1().constData(); return dateTime; } } } } #endif // _XMP_SUPPORT_ // In third, trying to get Date & time from Iptc tags. if (!d->iptcMetadata().empty()) { // Try digitization Iptc date time entries. Exiv2::IptcData iptcData(d->iptcMetadata()); Exiv2::IptcKey keyDigitizationDate("Iptc.Application2.DigitizationDate"); Exiv2::IptcData::iterator it = iptcData.findKey(keyDigitizationDate); if (it != iptcData.end()) { QString IptcDateDigitization(QString::fromLatin1(it->toString().c_str())); Exiv2::IptcKey keyDigitizationTime("Iptc.Application2.DigitizationTime"); Exiv2::IptcData::iterator it2 = iptcData.findKey(keyDigitizationTime); if (it2 != iptcData.end()) { QString IptcTimeDigitization(QString::fromLatin1(it2->toString().c_str())); QDate date = QDate::fromString(IptcDateDigitization, Qt::ISODate); QTime time = QTime::fromString(IptcTimeDigitization, Qt::ISODate); QDateTime dateTime = QDateTime(date, time); if (dateTime.isValid()) { qCDebug(DIGIKAM_METAENGINE_LOG) << "Date (IPTC digitalized): " << dateTime.toString().toLatin1().constData(); return dateTime; } } } } } catch( Exiv2::Error& e ) { d->printExiv2ExceptionError(QString::fromLatin1("Cannot parse Exif digitization date & time tag using Exiv2 "), e); } catch(...) { qCCritical(DIGIKAM_METAENGINE_LOG) << "Default exception from Exiv2"; } if (fallbackToCreationTime) return getImageDateTime(); else return QDateTime(); }
// Overwrites existing value if found, otherwise creates a new one. // Passing invalidTypeId causes the type to be guessed. // Guessing types is accurate for IPTC, but not for EXIF. // Returns 0 on success EXIVSIMPLE_API int ModifyMeta(HIMAGE img, const char *key, const char *val, DllTypeId type) { assert(img && key && val); if (img==0 || key==0 || val==0) return -1; ImageWrapper *imgWrap = (ImageWrapper*)img; int rc = 2; Exiv2::IptcData &iptcData = imgWrap->image->iptcData(); Exiv2::ExifData &exifData = imgWrap->image->exifData(); std::string data(val); // if data starts and ends with quotes, remove them if (data.at(0) == '\"' && data.at(data.size()-1) == '\"') { data = data.substr(1, data.size()-2); } try { Exiv2::IptcKey iptcKey(key); rc = 1; if (type == invalidTypeId) type = (DllTypeId)Exiv2::IptcDataSets::dataSetType(iptcKey.tag(), iptcKey.record()); Exiv2::Value::AutoPtr value = Exiv2::Value::create((Exiv2::TypeId)type); value->read(data); Exiv2::IptcData::iterator iter = iptcData.findKey(iptcKey); if (iter != iptcData.end()) { iter->setValue(value.get()); rc = 0; } else { rc = iptcData.add(iptcKey, value.get()); } } catch(const Exiv2::AnyError&) { } if (rc) { // Failed with iptc, so try exif try { Exiv2::ExifKey exifKey(key); rc = 1; // No way to get value type for exif... string is the most common if (type == invalidTypeId) type = asciiString; Exiv2::Value::AutoPtr value = Exiv2::Value::create((Exiv2::TypeId)type); value->read(data); Exiv2::ExifData::iterator iter = exifData.findKey(exifKey); if (iter != exifData.end()) { iter->setValue(value.get()); rc = 0; } else { exifData.add(exifKey, value.get()); rc = 0; } } catch(const Exiv2::AnyError&) { } } return rc; }
KExiv2::MetaDataMap KExiv2::getIptcTagsDataList(const QStringList& iptcKeysFilter, bool invertSelection) const { if (d->iptcMetadata().empty()) return MetaDataMap(); try { Exiv2::IptcData iptcData = d->iptcMetadata(); iptcData.sortByKey(); QString ifDItemName; MetaDataMap metaDataMap; for (Exiv2::IptcData::iterator md = iptcData.begin(); md != iptcData.end(); ++md) { QString key = QString::fromLocal8Bit(md->key().c_str()); // Decode the tag value with a user friendly output. std::ostringstream os; os << *md; QString value = QString(os.str().c_str()); // To make a string just on one line. value.replace('\n', ' '); // Some Iptc key are redondancy. check if already one exist... MetaDataMap::iterator it = metaDataMap.find(key); // We apply a filter to get only the Iptc tags that we need. if (!invertSelection) { if (iptcKeysFilter.contains(key.section('.', 1, 1))) { if (it == metaDataMap.end()) metaDataMap.insert(key, value); else { QString v = *it; v.append(", "); v.append(value); metaDataMap.insert(key, v); } } } else { if (!iptcKeysFilter.contains(key.section('.', 1, 1))) { if (it == metaDataMap.end()) metaDataMap.insert(key, value); else { QString v = *it; v.append(", "); v.append(value); metaDataMap.insert(key, v); } } } } return metaDataMap; } catch (Exiv2::Error& e) { d->printExiv2ExceptionError("Cannot parse Iptc metadata using Exiv2 ", e); } return MetaDataMap(); }