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();
}
QString KExiv2::getIptcTagString(const char* iptcTagName, bool escapeCR) const
{
try
{
Exiv2::IptcKey iptcKey(iptcTagName);
Exiv2::IptcData iptcData(d->iptcMetadata());
Exiv2::IptcData::iterator it = iptcData.findKey(iptcKey);
if (it != iptcData.end())
{
std::ostringstream os;
os << *it;
QString tagValue(os.str().c_str());
if (escapeCR)
tagValue.replace('\n', ' ');
return tagValue;
}
}
catch( Exiv2::Error& e )
{
d->printExiv2ExceptionError(QString("Cannot find Iptc key '%1' into image using Exiv2 ")
.arg(iptcTagName), e);
}
return QString();
}
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;
}
void PgfImage::readMetadata()
{
#ifdef DEBUG
std::cerr << "Exiv2::PgfImage::readMetadata: Reading PGF file " << io_->path() << "\n";
#endif
if (io_->open() != 0)
{
throw Error(9, io_->path(), strError());
}
IoCloser closer(*io_);
// Ensure that this is the correct image type
if (!isPgfType(*io_, true))
{
if (io_->error() || io_->eof()) throw Error(14);
throw Error(3, "PGF");
}
clearMetadata();
readPgfMagicNumber(*io_);
uint32_t headerSize = readPgfHeaderSize(*io_);
readPgfHeaderStructure(*io_, &pixelWidth_, &pixelHeight_);
// And now, the most interresting, the user data byte array where metadata are stored as small image.
long size = 8 + headerSize - io_->tell();
#ifdef DEBUG
std::cout << "Exiv2::PgfImage::readMetadata: Found Image data (" << size << " bytes)\n";
#endif
if (size < 0) throw Error(20);
if (size == 0) return;
DataBuf imgData(size);
std::memset(imgData.pData_, 0x0, imgData.size_);
long bufRead = io_->read(imgData.pData_, imgData.size_);
if (io_->error()) throw Error(14);
if (bufRead != imgData.size_) throw Error(20);
Image::AutoPtr image = Exiv2::ImageFactory::open(imgData.pData_, imgData.size_);
image->readMetadata();
exifData() = image->exifData();
iptcData() = image->iptcData();
xmpData() = image->xmpData();
} // PgfImage::readMetadata
QByteArray KExiv2::getIptcTagData(const char* iptcTagName) const
{
try
{
Exiv2::IptcKey iptcKey(iptcTagName);
Exiv2::IptcData iptcData(d->iptcMetadata());
Exiv2::IptcData::iterator it = iptcData.findKey(iptcKey);
if (it != iptcData.end())
{
char *s = new char[(*it).size()];
(*it).copy((Exiv2::byte*)s, Exiv2::bigEndian);
QByteArray data(s, (*it).size());
delete [] s;
return data;
}
}
catch( Exiv2::Error& e )
{
d->printExiv2ExceptionError(QString("Cannot find Iptc key '%1' into image using Exiv2 ")
.arg(iptcTagName), e);
}
return QByteArray();
}
void Jp2Image::readMetadata()
{
#ifdef DEBUG
std::cerr << "Exiv2::Jp2Image::readMetadata: Reading JPEG-2000 file " << io_->path() << "\n";
#endif
if (io_->open() != 0)
{
throw Error(9, io_->path(), strError());
}
IoCloser closer(*io_);
// Ensure that this is the correct image type
if (!isJp2Type(*io_, true))
{
if (io_->error() || io_->eof()) throw Error(14);
throw Error(3, "JPEG-2000");
}
long position = 0;
Jp2BoxHeader box = {0,0};
Jp2BoxHeader subBox = {0,0};
Jp2ImageHeaderBox ihdr = {0,0,0,0,0,0,0,0};
Jp2UuidBox uuid = {{0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
while (io_->read((byte*)&box, sizeof(box)) == sizeof(box))
{
position = io_->tell();
box.boxLength = getLong((byte*)&box.boxLength, bigEndian);
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Position: " << position << "\n";
std::cout << "Exiv2::Jp2Image::readMetadata: Find box type: " << std::string((const char*)&box.boxType)
<< " lenght: " << box.boxLength << "\n";
#endif
box.boxType = getLong((byte*)&box.boxType, bigEndian);
if (box.boxLength == 0)
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Null Box size has been found. "
"This is the last box of file.\n";
#endif
return;
}
if (box.boxLength == 1)
{
// FIXME. Special case. the real box size is given in another place.
}
switch(box.boxType)
{
case kJp2BoxTypeJp2Header:
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: JP2Header box found\n";
#endif
if (io_->read((byte*)&subBox, sizeof(subBox)) == sizeof(subBox))
{
subBox.boxLength = getLong((byte*)&subBox.boxLength, bigEndian);
subBox.boxType = getLong((byte*)&subBox.boxType, bigEndian);
if((subBox.boxType == kJp2BoxTypeImageHeader) &&
(io_->read((byte*)&ihdr, sizeof(ihdr)) == sizeof(ihdr)))
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Ihdr data found\n";
#endif
ihdr.imageHeight = getLong((byte*)&ihdr.imageHeight, bigEndian);
ihdr.imageWidth = getLong((byte*)&ihdr.imageWidth, bigEndian);
ihdr.componentCount = getShort((byte*)&ihdr.componentCount, bigEndian);
ihdr.compressionTypeProfile = getShort((byte*)&ihdr.compressionTypeProfile, bigEndian);
pixelWidth_ = ihdr.imageWidth;
pixelHeight_ = ihdr.imageHeight;
}
}
break;
}
case kJp2BoxTypeUuid:
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: UUID box found\n";
#endif
if (io_->read((byte*)&uuid, sizeof(uuid)) == sizeof(uuid))
{
DataBuf rawData;
long bufRead;
if(memcmp(uuid.uuid, kJp2UuidExif, sizeof(uuid)) == 0)
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Exif data found\n";
#endif
// we've hit an embedded Exif block
rawData.alloc(box.boxLength - (sizeof(box) + sizeof(uuid)));
bufRead = io_->read(rawData.pData_, rawData.size_);
if (io_->error()) throw Error(14);
if (bufRead != rawData.size_) throw Error(20);
if (rawData.size_ > 0)
{
// Find the position of Exif header in bytes array.
const byte exifHeader[] = { 0x45, 0x78, 0x69, 0x66, 0x00, 0x00 };
long pos = -1;
for (long i=0 ; i < rawData.size_-(long)sizeof(exifHeader) ; i++)
{
if (memcmp(exifHeader, &rawData.pData_[i], sizeof(exifHeader)) == 0)
{
pos = i;
break;
}
}
// If found it, store only these data at from this place.
if (pos !=-1)
{
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Exif header found at position " << pos << "\n";
#endif
pos = pos + sizeof(exifHeader);
ByteOrder bo = TiffParser::decode(exifData(),
iptcData(),
xmpData(),
rawData.pData_ + pos,
rawData.size_ - pos);
setByteOrder(bo);
}
}
else
{
#ifndef SUPPRESS_WARNINGS
EXV_WARNING << "Failed to decode Exif metadata.\n";
#endif
exifData_.clear();
}
}
else if(memcmp(uuid.uuid, kJp2UuidIptc, sizeof(uuid)) == 0)
{
// we've hit an embedded IPTC block
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Iptc data found\n";
#endif
rawData.alloc(box.boxLength - (sizeof(box) + sizeof(uuid)));
bufRead = io_->read(rawData.pData_, rawData.size_);
if (io_->error()) throw Error(14);
if (bufRead != rawData.size_) throw Error(20);
if (IptcParser::decode(iptcData_, rawData.pData_, rawData.size_))
{
#ifndef SUPPRESS_WARNINGS
EXV_WARNING << "Failed to decode IPTC metadata.\n";
#endif
iptcData_.clear();
}
}
else if(memcmp(uuid.uuid, kJp2UuidXmp, sizeof(uuid)) == 0)
{
// we've hit an embedded XMP block
#ifdef DEBUG
std::cout << "Exiv2::Jp2Image::readMetadata: Xmp data found\n";
#endif
rawData.alloc(box.boxLength - (sizeof(box) + sizeof(uuid)));
bufRead = io_->read(rawData.pData_, rawData.size_);
if (io_->error()) throw Error(14);
if (bufRead != rawData.size_) throw Error(20);
xmpPacket_.assign(reinterpret_cast<char *>(rawData.pData_), rawData.size_);
std::string::size_type idx = xmpPacket_.find_first_of('<');
if (idx != std::string::npos && idx > 0)
{
#ifndef SUPPRESS_WARNINGS
EXV_WARNING << "Removing " << static_cast<uint32_t>(idx)
<< " characters from the beginning of the XMP packet\n";
#endif
xmpPacket_ = xmpPacket_.substr(idx);
}
if (xmpPacket_.size() > 0 && XmpParser::decode(xmpData_, xmpPacket_))
{
#ifndef SUPPRESS_WARNINGS
EXV_WARNING << "Failed to decode XMP metadata.\n";
#endif
}
}
}
break;
}
default:
{
break;
}
}
// Move to the next box.
io_->seek(static_cast<long>(position - sizeof(box) + box.boxLength), BasicIo::beg);
if (io_->error() || io_->eof()) throw Error(14);
}
} // Jp2Image::readMetadata
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();
}
