diff --git a/libs/ui/kisexiv2/kis_exif_io.cpp b/libs/ui/kisexiv2/kis_exif_io.cpp
index 4a7857aa9c..654f6fca0c 100644
--- a/libs/ui/kisexiv2/kis_exif_io.cpp
+++ b/libs/ui/kisexiv2/kis_exif_io.cpp
@@ -1,637 +1,639 @@
 /*
  *  Copyright (c) 2007 Cyrille Berger <cberger@cberger.net>
  *
  *  This library is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU Lesser General Public License as published by
  *  the Free Software Foundation; version 2.1 of the License.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  *  GNU Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public License
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  */
 
 #include "kis_exif_io.h"
 
 #include <exiv2/exif.hpp>
 #include <exiv2/error.hpp>
 
 #include <qendian.h>
 #include <QIODevice>
 #include <QByteArray>
 #include <QVariant>
 #include <QDateTime>
 #include <QDate>
 #include <QTime>
 #include <QTextCodec>
 
 #include <kis_debug.h>
 
 #include "kis_exiv2.h"
 
 #include <kis_meta_data_store.h>
 #include <kis_meta_data_entry.h>
 #include <kis_meta_data_value.h>
 #include <kis_meta_data_schema.h>
 #include <kis_meta_data_schema_registry.h>
 
 struct KisExifIO::Private {
 };
 
 // ---- Exception conversion functions ---- //
 
 // convert ExifVersion and FlashpixVersion to a KisMetaData value
 KisMetaData::Value exifVersionToKMDValue(const Exiv2::Value::AutoPtr value)
 {
     const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
     if (dvalue) {
         Q_ASSERT(dvalue);
         QByteArray array(dvalue->count(), 0);
         dvalue->copy((Exiv2::byte*)array.data());
         return KisMetaData::Value(QString(array));
     }
     else {
         Q_ASSERT(value->typeId() == Exiv2::asciiString);
         return KisMetaData::Value(QString::fromLatin1(value->toString().c_str()));
     }
 }
 
 // convert from KisMetaData value to ExifVersion and FlashpixVersion
 Exiv2::Value* kmdValueToExifVersion(const KisMetaData::Value& value)
 {
     Exiv2::DataValue* dvalue = new Exiv2::DataValue;
     QString ver = value.asVariant().toString();
     dvalue->read((const Exiv2::byte*)ver.toLatin1().constData(), ver.size());
     return dvalue;
 }
 
 // Convert an exif array of integer string to a KisMetaData array of integer
 KisMetaData::Value exifArrayToKMDIntOrderedArray(const Exiv2::Value::AutoPtr value)
 {
     QList<KisMetaData::Value> v;
     const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
     if (dvalue) {
         QByteArray array(dvalue->count(), 0);
         dvalue->copy((Exiv2::byte*)array.data());
         for (int i = 0; i < array.size(); i++) {
             QChar c((char)array[i]);
             v.push_back(KisMetaData::Value(QString(c).toInt(0)));
         }
     } else {
         Q_ASSERT(value->typeId() == Exiv2::asciiString);
         QString str = QString::fromLatin1(value->toString().c_str());
         v.push_back(KisMetaData::Value(str.toInt()));
     }
     return KisMetaData::Value(v, KisMetaData::Value::OrderedArray);
 }
 
 // Convert a KisMetaData array of integer to an exif array of integer string
 Exiv2::Value* kmdIntOrderedArrayToExifArray(const KisMetaData::Value& value)
 {
     QList<KisMetaData::Value> v = value.asArray();
     QByteArray s;
     for (QList<KisMetaData::Value>::iterator it = v.begin();
             it != v.end(); ++it) {
         int val = it->asVariant().toInt(0);
         s += QByteArray::number(val);
     }
     return new Exiv2::DataValue((const Exiv2::byte*)s.data(), s.size());
 }
 
 QDateTime exivValueToDateTime(const Exiv2::Value::AutoPtr value)
 {
     return QDateTime::fromString(value->toString().c_str(), Qt::ISODate);
 }
 
 template<typename T>
 inline T fixEndianess(T v, Exiv2::ByteOrder order)
 {
     switch (order) {
     case Exiv2::invalidByteOrder:
         return v;
     case Exiv2::littleEndian:
         return qFromLittleEndian<T>(v);
     case Exiv2::bigEndian:
         return qFromBigEndian<T>(v);
     }
     warnKrita << "KisExifIO: unknown byte order";
     return v;
 }
 
 Exiv2::ByteOrder invertByteOrder(Exiv2::ByteOrder order)
 {
     switch (order) {
     case Exiv2::littleEndian:
         return Exiv2::bigEndian;
     case Exiv2::bigEndian:
         return Exiv2::littleEndian;
     case Exiv2::invalidByteOrder:
         warnKrita << "KisExifIO: Can't invert Exiv2::invalidByteOrder";
         return Exiv2::invalidByteOrder;
     }
     return Exiv2::invalidByteOrder;
 }
 
 
 KisMetaData::Value exifOECFToKMDOECFStructure(const Exiv2::Value::AutoPtr value, Exiv2::ByteOrder order)
 {
     QMap<QString, KisMetaData::Value> oecfStructure;
     const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
     Q_ASSERT(dvalue);
     QByteArray array(dvalue->count(), 0);
 
     dvalue->copy((Exiv2::byte*)array.data());
     int columns = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[0], order);
     int rows = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[1], order);
 
     if ((columns * rows + 4) > dvalue->count()) { // Sometime byteOrder get messed up (especially if metadata got saved with kexiv2 library, or any library that doesn't save back with the same byte order as the camera)
         order = invertByteOrder(order);
         columns = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[0], order);
         rows = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[1], order);
         Q_ASSERT((columns * rows + 4) > dvalue->count());
     }
     oecfStructure["Columns"] = KisMetaData::Value(columns);
     oecfStructure["Rows"] = KisMetaData::Value(rows);
     int index = 4;
     QList<KisMetaData::Value> names;
     for (int i = 0; i < columns; i++) {
         int lastIndex = array.indexOf((char)0, index);
         QString name = array.mid(index, lastIndex - index);
         if (index != lastIndex) {
             index = lastIndex + 1;
             dbgMetaData << "Name [" << i << "] =" << name;
             names.append(KisMetaData::Value(name));
         } else {
             names.append(KisMetaData::Value(""));
         }
     }
 
     oecfStructure["Names"] = KisMetaData::Value(names, KisMetaData::Value::OrderedArray);
     QList<KisMetaData::Value> values;
     qint32* dataIt = reinterpret_cast<qint32*>(array.data() + index);
     for (int i = 0; i < columns; i++) {
         for (int j = 0; j < rows; j++) {
             values.append(KisMetaData::Value(KisMetaData::Rational(fixEndianess<qint32>(dataIt[0], order), fixEndianess<qint32>(dataIt[1], order))));
             dataIt += 2;
         }
     }
     oecfStructure["Values"] = KisMetaData::Value(values, KisMetaData::Value::OrderedArray);
     dbgMetaData << "OECF: " << ppVar(columns) << ppVar(rows) << ppVar(dvalue->count());
     return KisMetaData::Value(oecfStructure);
 }
 
 Exiv2::Value* kmdOECFStructureToExifOECF(const KisMetaData::Value& value)
 {
     QMap<QString, KisMetaData::Value> oecfStructure = value.asStructure();
     quint16 columns = oecfStructure["Columns"].asVariant().toInt(0);
     quint16 rows = oecfStructure["Rows"].asVariant().toInt(0);
 
     QList<KisMetaData::Value> names = oecfStructure["Names"].asArray();
     QList<KisMetaData::Value> values = oecfStructure["Values"].asArray();
     Q_ASSERT(columns*rows == values.size());
     int length = 4 + rows * columns * 8; // The 4 byte for storing rows/columns and the rows*columns*sizeof(rational)
     bool saveNames = (!names.empty() && names[0].asVariant().toString().size() > 0);
     if (saveNames) {
         for (int i = 0; i < columns; i++) {
             length += names[i].asVariant().toString().size() + 1;
         }
     }
     QByteArray array(length, 0);
     (reinterpret_cast<quint16*>(array.data()))[0] = columns;
     (reinterpret_cast<quint16*>(array.data()))[1] = rows;
     int index = 4;
     if (saveNames) {
         for (int i = 0; i < columns; i++) {
             QByteArray name = names[i].asVariant().toString().toLatin1();
             name.append((char)0);
             memcpy(array.data() + index, name.data(), name.size());
             index += name.size();
         }
     }
     qint32* dataIt = reinterpret_cast<qint32*>(array.data() + index);
     for (QList<KisMetaData::Value>::iterator it = values.begin();
             it != values.end(); ++it) {
         dataIt[0] = it->asRational().numerator;
         dataIt[1] = it->asRational().denominator;
         dataIt += 2;
     }
     return new Exiv2::DataValue((const Exiv2::byte*)array.data(), array.size());
 }
 
 KisMetaData::Value deviceSettingDescriptionExifToKMD(const Exiv2::Value::AutoPtr value)
 {
     QMap<QString, KisMetaData::Value> deviceSettingStructure;
     QByteArray array;
 
     const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
     if(dvalue)
     {
         array.resize(dvalue->count());
         dvalue->copy((Exiv2::byte*)array.data());
     } else {
         Q_ASSERT(value->typeId() == Exiv2::unsignedShort);
         array.resize(2 * value->count());
         value->copy((Exiv2::byte*)array.data(), Exiv2::littleEndian);
     }
     int columns = (reinterpret_cast<quint16*>(array.data()))[0];
     int rows = (reinterpret_cast<quint16*>(array.data()))[1];
     deviceSettingStructure["Columns"] = KisMetaData::Value(columns);
     deviceSettingStructure["Rows"] = KisMetaData::Value(rows);
     QList<KisMetaData::Value> settings;
     QByteArray null(2, 0);
 
     for (int index = 4; index < array.size(); )
     {
         const int lastIndex = array.indexOf(null, index);
         const int numChars = (lastIndex - index) / 2; // including trailing zero
 
         QString setting = QString::fromUtf16((ushort*)(void*)( array.data() + index), numChars);
         index = lastIndex + 2;
         dbgMetaData << "Setting << " << setting;
         settings.append(KisMetaData::Value(setting));
     }
     deviceSettingStructure["Settings"] = KisMetaData::Value(settings, KisMetaData::Value::OrderedArray);
     return KisMetaData::Value(deviceSettingStructure);
 }
 
 Exiv2::Value* deviceSettingDescriptionKMDToExif(const KisMetaData::Value& value)
 {
     QMap<QString, KisMetaData::Value> deviceSettingStructure = value.asStructure();
     quint16 columns = deviceSettingStructure["Columns"].asVariant().toInt(0);
     quint16 rows = deviceSettingStructure["Rows"].asVariant().toInt(0);
 
     QTextCodec* codec = QTextCodec::codecForName("UTF-16");
 
     QList<KisMetaData::Value> settings = deviceSettingStructure["Settings"].asArray();
     QByteArray array(4, 0);
     (reinterpret_cast<quint16*>(array.data()))[0] = columns;
     (reinterpret_cast<quint16*>(array.data()))[1] = rows;
     for (int i = 0; i < settings.count(); i++) {
         QString str = settings[i].asVariant().toString();
         QByteArray setting = codec->fromUnicode(str);
         array.append(setting);
     }
     return new Exiv2::DataValue((const Exiv2::byte*)array.data(), array.size());
 }
 
 KisMetaData::Value cfaPatternExifToKMD(const Exiv2::Value::AutoPtr value, Exiv2::ByteOrder order)
 {
     QMap<QString, KisMetaData::Value> cfaPatternStructure;
     const Exiv2::DataValue* dvalue = dynamic_cast<const Exiv2::DataValue*>(&*value);
     Q_ASSERT(dvalue);
     QByteArray array(dvalue->count(), 0);
     dvalue->copy((Exiv2::byte*)array.data());
     int columns = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[0], order);
     int rows = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[1], order);
     if ((columns * rows + 4) != dvalue->count()) { // Sometime byteOrder get messed up (especially if metadata got saved with kexiv2 library, or any library that doesn't save back with the same byte order as the camera)
         order = invertByteOrder(order);
         columns = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[0], order);
         rows = fixEndianess<quint16>((reinterpret_cast<quint16*>(array.data()))[1], order);
         Q_ASSERT((columns * rows + 4) == dvalue->count());
     }
     cfaPatternStructure["Columns"] = KisMetaData::Value(columns);
     cfaPatternStructure["Rows"] = KisMetaData::Value(rows);
     QList<KisMetaData::Value> values;
     int index = 4;
     for (int i = 0; i < columns * rows; i++) {
         values.append(KisMetaData::Value(*(array.data() + index)));
         index++;
     }
     cfaPatternStructure["Values"] = KisMetaData::Value(values, KisMetaData::Value::OrderedArray);
     dbgMetaData << "CFAPattern " << ppVar(columns) << " " << ppVar(rows) << ppVar(values.size()) << ppVar(dvalue->count());
     return KisMetaData::Value(cfaPatternStructure);
 }
 
 Exiv2::Value* cfaPatternKMDToExif(const KisMetaData::Value& value)
 {
     QMap<QString, KisMetaData::Value> cfaStructure = value.asStructure();
     quint16 columns = cfaStructure["Columns"].asVariant().toInt(0);
     quint16 rows = cfaStructure["Rows"].asVariant().toInt(0);
 
     QList<KisMetaData::Value> values = cfaStructure["Values"].asArray();
     Q_ASSERT(columns*rows == values.size());
     QByteArray array(4 + columns*rows, 0);
     (reinterpret_cast<quint16*>(array.data()))[0] = columns;
     (reinterpret_cast<quint16*>(array.data()))[1] = rows;
     for (int i = 0; i < columns * rows; i++) {
         quint8 val = values[i].asVariant().toUInt();
         *(array.data() + 4 + i) = val;
     }
     dbgMetaData << "Cfa Array " << ppVar(columns) << ppVar(rows) << ppVar(array.size());
     return new Exiv2::DataValue((const Exiv2::byte*)array.data(), array.size());
 }
 
 // Read and write Flash //
 
 KisMetaData::Value flashExifToKMD(const Exiv2::Value::AutoPtr value)
 {
     uint16_t v = value->toLong();
     QMap<QString, KisMetaData::Value> flashStructure;
     bool fired = (v & 0x01);  // bit 1 is whether flash was fired or not
     flashStructure["Fired"] = QVariant(fired);
     int ret = ((v >> 1) & 0x03);  // bit 2 and 3 are Return
     flashStructure["Return"] = QVariant(ret);
     int mode = ((v >> 3) & 0x03);  // bit 4 and 5 are Mode
     flashStructure["Mode"] = QVariant(mode);
     bool function = ((v >> 5) & 0x01);  // bit 6 if function
     flashStructure["Function"] = QVariant(function);
     bool redEye = ((v >> 6) & 0x01);  // bit 7 if function
     flashStructure["RedEyeMode"] = QVariant(redEye);
     return KisMetaData::Value(flashStructure);
 }
 
 Exiv2::Value* flashKMDToExif(const KisMetaData::Value& value)
 {
     uint16_t v = 0;
     QMap<QString, KisMetaData::Value> flashStructure = value.asStructure();
     v = flashStructure["Fired"].asVariant().toBool();
     v |= ((flashStructure["Return"].asVariant().toInt() & 0x03) << 1);
     v |= ((flashStructure["Mode"].asVariant().toInt() & 0x03) << 3);
     v |= ((flashStructure["Function"].asVariant().toInt() & 0x03) << 5);
     v |= ((flashStructure["RedEyeMode"].asVariant().toInt() & 0x03) << 6);
     return new Exiv2::ValueType<uint16_t>(v);
 }
 
 
 
 // ---- Implementation of KisExifIO ----//
 KisExifIO::KisExifIO() : d(new Private)
 {
 }
 
 KisExifIO::~KisExifIO()
 {
     delete d;
 }
 
 
 bool KisExifIO::saveTo(KisMetaData::Store* store, QIODevice* ioDevice, HeaderType headerType) const
 {
     ioDevice->open(QIODevice::WriteOnly);
     Exiv2::ExifData exifData;
     if (headerType == KisMetaData::IOBackend::JpegHeader) {
         QByteArray header(6, 0);
         header[0] = 0x45;
         header[1] = 0x78;
         header[2] = 0x69;
         header[3] = 0x66;
         header[4] = 0x00;
         header[5] = 0x00;
         ioDevice->write(header);
     }
 
     for (QHash<QString, KisMetaData::Entry>::const_iterator it = store->begin();
             it != store->end(); ++it) {
         try {
             const KisMetaData::Entry& entry = *it;
             dbgMetaData << "Trying to save: " << entry.name() << " of " << entry.schema()->prefix() << ":" << entry.schema()->uri();
             QString exivKey;
             if (entry.schema()->uri() == KisMetaData::Schema::TIFFSchemaUri) {
                 exivKey = "Exif.Image." + entry.name();
             } else if (entry.schema()->uri() == KisMetaData::Schema::EXIFSchemaUri) { // Distinguish between exif and gps
                 if (entry.name().left(3) == "GPS") {
                     exivKey = "Exif.GPS." + entry.name();
                 } else {
                     exivKey = "Exif.Photo." + entry.name();
                 }
             } else if (entry.schema()->uri() == KisMetaData::Schema::DublinCoreSchemaUri) {
                 if (entry.name() == "description") {
                     exivKey = "Exif.Image.ImageDescription";
                 } else if (entry.name() == "creator") {
                     exivKey = "Exif.Image.Artist";
                 } else if (entry.name() == "rights") {
                     exivKey = "Exif.Image.Copyright";
                 }
             } else if (entry.schema()->uri() == KisMetaData::Schema::XMPSchemaUri) {
                 if (entry.name() == "ModifyDate") {
                     exivKey = "Exif.Image.DateTime";
                 } else if (entry.name() == "CreatorTool") {
                     exivKey = "Exif.Image.Software";
                 }
             } else if (entry.schema()->uri() == KisMetaData::Schema::MakerNoteSchemaUri) {
                 if (entry.name() == "RawData") {
                     exivKey = "Exif.Photo.MakerNote";
                 }
             }
             dbgMetaData << "Saving " << entry.name() << " to " << exivKey;
             if (exivKey.isEmpty()) {
                 dbgMetaData << entry.qualifiedName() << " is unsavable to EXIF";
             } else {
                 Exiv2::ExifKey exifKey(qPrintable(exivKey));
                 Exiv2::Value* v = 0;
                 if (exivKey == "Exif.Photo.ExifVersion" || exivKey == "Exif.Photo.FlashpixVersion") {
                     v = kmdValueToExifVersion(entry.value());
                 } else if (exivKey == "Exif.Photo.FileSource") {
                     char s[] = { 0x03 };
                     v = new Exiv2::DataValue((const Exiv2::byte*)s, 1);
                 } else if (exivKey == "Exif.Photo.SceneType") {
                     char s[] = { 0x01 };
                     v = new Exiv2::DataValue((const Exiv2::byte*)s, 1);
                 } else if (exivKey == "Exif.Photo.ComponentsConfiguration") {
                     v = kmdIntOrderedArrayToExifArray(entry.value());
                 } else if (exivKey == "Exif.Image.Artist") { // load as dc:creator
                     KisMetaData::Value creator = entry.value();
                     if (entry.value().asArray().size() > 0) {
                         creator = entry.value().asArray()[0];
                     }
 #if !EXIV2_TEST_VERSION(0,21,0)
                     v = kmdValueToExivValue(creator, Exiv2::ExifTags::tagType(exifKey.tag(), exifKey.ifdId()));
 #else
                     v = kmdValueToExivValue(creator, exifKey.defaultTypeId());
 #endif
                 } else if (exivKey == "Exif.Photo.OECF") {
                     v = kmdOECFStructureToExifOECF(entry.value());
                 } else if (exivKey == "Exif.Photo.DeviceSettingDescription") {
                     v = deviceSettingDescriptionKMDToExif(entry.value());
                 } else if (exivKey == "Exif.Photo.CFAPattern") {
                     v = cfaPatternKMDToExif(entry.value());
                 } else if (exivKey == "Exif.Photo.Flash") {
                     v = flashKMDToExif(entry.value());
                 } else if (exivKey == "Exif.Photo.UserComment") {
                     Q_ASSERT(entry.value().type() == KisMetaData::Value::LangArray);
                     QMap<QString, KisMetaData::Value> langArr = entry.value().asLangArray();
                     if (langArr.contains("x-default")) {
 #if !EXIV2_TEST_VERSION(0,21,0)
                         v = kmdValueToExivValue(langArr.value("x-default"), Exiv2::ExifTags::tagType(exifKey.tag(), exifKey.ifdId()));
 #else
                         v = kmdValueToExivValue(langArr.value("x-default"), exifKey.defaultTypeId());
 #endif
                     } else if (langArr.size() > 0) {
 #if !EXIV2_TEST_VERSION(0,21,0)
                         v = kmdValueToExivValue(langArr.begin().value(), Exiv2::ExifTags::tagType(exifKey.tag(), exifKey.ifdId()));
 #else
                         v = kmdValueToExivValue(langArr.begin().value(), exifKey.defaultTypeId());
 #endif
                     }
                 } else {
                     dbgMetaData << exifKey.tag();
 #if !EXIV2_TEST_VERSION(0,21,0)
                     v = kmdValueToExivValue(entry.value(), Exiv2::ExifTags::tagType(exifKey.tag(), exifKey.ifdId()));
 #else
                     v = kmdValueToExivValue(entry.value(), exifKey.defaultTypeId());
 #endif
                 }
                 if (v && v->typeId() != Exiv2::invalidTypeId) {
                     dbgMetaData << "Saving key" << exivKey << " of KMD value" << entry.value();
                     exifData.add(exifKey, v);
                 } else {
                     dbgMetaData << "No exif value was created for" << entry.qualifiedName() << " as" << exivKey;// << " of KMD value" << entry.value();
                 }
             }
         } catch (Exiv2::AnyError& e) {
             dbgMetaData << "exiv error " << e.what();
         }
     }
 #if !EXIV2_TEST_VERSION(0,18,0)
     Exiv2::DataBuf rawData = exifData.copy();
     ioDevice->write((const char*) rawData.pData_, rawData.size_);
 #else
     Exiv2::Blob rawData;
     Exiv2::ExifParser::encode(rawData, Exiv2::littleEndian, exifData);
     ioDevice->write((const char*) &*rawData.begin(), rawData.size());
 #endif
     ioDevice->close();
     return true;
 }
 
 bool KisExifIO::canSaveAllEntries(KisMetaData::Store* /*store*/) const
 {
     return false; // It's a known fact that exif can't save all information, but TODO: write the check
 }
 
 
 bool KisExifIO::loadFrom(KisMetaData::Store* store, QIODevice* ioDevice) const
 {
     ioDevice->open(QIODevice::ReadOnly);
     if (!ioDevice->isOpen()) {
         return false;
     }
     QByteArray arr = ioDevice->readAll();
     Exiv2::ExifData exifData;
     Exiv2::ByteOrder byteOrder;
 #if !EXIV2_TEST_VERSION(0,18,0)
     exifData.load((const Exiv2::byte*)arr.data(), arr.size());
     byteOrder = exifData.byteOrder();
 #else
     try {
         byteOrder = Exiv2::ExifParser::decode(exifData, (const Exiv2::byte*)arr.data(), arr.size());
     }
     catch (const std::exception& ex) {
         warnKrita << "Received exception trying to parse exiv data" << ex.what();
         return false;
     }
     catch (...) {
         dbgKrita << "Received unknown exception trying to parse exiv data";
         return false;
     }
 #endif
     dbgMetaData << "Byte order = " << byteOrder << ppVar(Exiv2::bigEndian) << ppVar(Exiv2::littleEndian);
     dbgMetaData << "There are" << exifData.count() << " entries in the exif section";
     const KisMetaData::Schema* tiffSchema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(KisMetaData::Schema::TIFFSchemaUri);
     Q_ASSERT(tiffSchema);
     const KisMetaData::Schema* exifSchema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(KisMetaData::Schema::EXIFSchemaUri);
     Q_ASSERT(exifSchema);
     const KisMetaData::Schema* dcSchema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(KisMetaData::Schema::DublinCoreSchemaUri);
     Q_ASSERT(dcSchema);
     const KisMetaData::Schema* xmpSchema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(KisMetaData::Schema::XMPSchemaUri);
     Q_ASSERT(xmpSchema);
     for (Exiv2::ExifMetadata::const_iterator it = exifData.begin();
             it != exifData.end(); ++it) {
         if (it->key() == "Exif.Photo.StripOffsets"
                 || it->key() == "RowsPerStrip"
                 || it->key() == "StripByteCounts"
                 || it->key() == "JPEGInterchangeFormat"
                 || it->key() == "JPEGInterchangeFormatLength"
                 || it->tagName() == "0x0000" ) {
             dbgMetaData << it->key().c_str() << " is ignored";
         } else if (it->key() == "Exif.Photo.MakerNote") {
             const KisMetaData::Schema* makerNoteSchema = KisMetaData::SchemaRegistry::instance()->schemaFromUri(KisMetaData::Schema::MakerNoteSchemaUri);
             store->addEntry(KisMetaData::Entry(makerNoteSchema, "RawData", exivValueToKMDValue(it->getValue(), false)));
         } else if (it->key() == "Exif.Image.DateTime") { // load as xmp:ModifyDate
             store->addEntry(KisMetaData::Entry(xmpSchema, "ModifyDate", KisMetaData::Value(exivValueToDateTime(it->getValue()))));
         } else if (it->key() == "Exif.Image.ImageDescription") { // load as "dc:description"
             store->addEntry(KisMetaData::Entry(dcSchema, "description", exivValueToKMDValue(it->getValue(), false)));
         } else if (it->key() == "Exif.Image.Software") { // load as "xmp:CreatorTool"
             store->addEntry(KisMetaData::Entry(xmpSchema, "CreatorTool", exivValueToKMDValue(it->getValue(), false)));
         } else if (it->key() == "Exif.Image.Artist") { // load as dc:creator
             QList<KisMetaData::Value> creators;
             creators.push_back(exivValueToKMDValue(it->getValue(), false));
             store->addEntry(KisMetaData::Entry(dcSchema, "creator", KisMetaData::Value(creators, KisMetaData::Value::OrderedArray)));
         } else if (it->key() == "Exif.Image.Copyright") { // load as dc:rights
             store->addEntry(KisMetaData::Entry(dcSchema, "rights", exivValueToKMDValue(it->getValue(), false)));
         } else if (it->groupName() == "Image") {
             // Tiff tags
             QString fixedTN = it->tagName().c_str();
             if (it->key() == "Exif.Image.ExifTag") {
                 dbgMetaData << "Ignoring " << it->key().c_str();
             } else if (KisMetaData::Entry::isValidName(fixedTN)) {
                 store->addEntry(KisMetaData::Entry(tiffSchema, fixedTN, exivValueToKMDValue(it->getValue(), false))) ;
             } else {
                 dbgMetaData << "Invalid tag name: " << fixedTN;
             }
         } else if (it->groupName() == "Photo" || (it->groupName() == "GPS")) {
             // Exif tags (and GPS tags)
-            KisMetaData::Value v;
+            KisMetaData::Value metaDataValue;
             if (it->key() == "Exif.Photo.ExifVersion" || it->key() == "Exif.Photo.FlashpixVersion") {
-                v = exifVersionToKMDValue(it->getValue());
+                metaDataValue = exifVersionToKMDValue(it->getValue());
             } else if (it->key() == "Exif.Photo.FileSource") {
-                v = KisMetaData::Value(3);
+                metaDataValue = KisMetaData::Value(3);
             } else if (it->key() == "Exif.Photo.SceneType") {
-                v = KisMetaData::Value(1);
+                metaDataValue = KisMetaData::Value(1);
             } else if (it->key() == "Exif.Photo.ComponentsConfiguration") {
-                v = exifArrayToKMDIntOrderedArray(it->getValue());
+                metaDataValue = exifArrayToKMDIntOrderedArray(it->getValue());
             } else if (it->key() == "Exif.Photo.OECF") {
-                v = exifOECFToKMDOECFStructure(it->getValue(), byteOrder);
+                metaDataValue = exifOECFToKMDOECFStructure(it->getValue(), byteOrder);
             } else if (it->key() == "Exif.Photo.DateTimeDigitized" || it->key() == "Exif.Photo.DateTimeOriginal") {
-                v = KisMetaData::Value(exivValueToDateTime(it->getValue()));
+                metaDataValue = KisMetaData::Value(exivValueToDateTime(it->getValue()));
             } else if (it->key() == "Exif.Photo.DeviceSettingDescription") {
-                v = deviceSettingDescriptionExifToKMD(it->getValue());
+                metaDataValue = deviceSettingDescriptionExifToKMD(it->getValue());
             } else if (it->key() == "Exif.Photo.CFAPattern") {
-                v = cfaPatternExifToKMD(it->getValue(), byteOrder);
+                metaDataValue = cfaPatternExifToKMD(it->getValue(), byteOrder);
             } else if (it->key() == "Exif.Photo.Flash") {
-                v = flashExifToKMD(it->getValue());
+                metaDataValue = flashExifToKMD(it->getValue());
             } else if (it->key() == "Exif.Photo.UserComment") {
-                KisMetaData::Value vUC = exivValueToKMDValue(it->getValue(), false);
-                Q_ASSERT(vUC.type() == KisMetaData::Value::Variant);
-                QVariant commentVar = vUC.asVariant();
-                QString comment;
-                if (commentVar.type() == QVariant::String) {
-                    comment = commentVar.toString();
-                } else if (commentVar.type() == QVariant::ByteArray) {
-                    const QByteArray commentString = commentVar.toByteArray();
-                    comment = QString::fromLatin1(commentString.constData(), commentString.size());
-                } else {
-                    warnKrita << "KisExifIO: Unhandled UserComment value type.";
+                if (it->getValue()->typeId() != Exiv2::undefined) {
+                    KisMetaData::Value vUC = exivValueToKMDValue(it->getValue(), false);
+                    Q_ASSERT(vUC.type() == KisMetaData::Value::Variant);
+                    QVariant commentVar = vUC.asVariant();
+                    QString comment;
+                    if (commentVar.type() == QVariant::String) {
+                        comment = commentVar.toString();
+                    } else if (commentVar.type() == QVariant::ByteArray) {
+                        const QByteArray commentString = commentVar.toByteArray();
+                        comment = QString::fromLatin1(commentString.constData(), commentString.size());
+                    } else {
+                        warnKrita << "KisExifIO: Unhandled UserComment value type.";
+                    }
+                    KisMetaData::Value vcomment(comment);
+                    vcomment.addPropertyQualifier("xml:lang", KisMetaData::Value("x-default"));
+                    QList<KisMetaData::Value> alt;
+                    alt.append(vcomment);
+                    metaDataValue = KisMetaData::Value(alt, KisMetaData::Value::LangArray);
                 }
-                KisMetaData::Value vcomment(comment);
-                vcomment.addPropertyQualifier("xml:lang", KisMetaData::Value("x-default"));
-                QList<KisMetaData::Value> alt;
-                alt.append(vcomment);
-                v = KisMetaData::Value(alt, KisMetaData::Value::LangArray);
             } else {
                 bool forceSeq = false;
                 KisMetaData::Value::ValueType arrayType = KisMetaData::Value::UnorderedArray;
                 if (it->key() == "Exif.Photo.ISOSpeedRatings") {
                     forceSeq = true;
                     arrayType = KisMetaData::Value::OrderedArray;
                 }
-                v = exivValueToKMDValue(it->getValue(), forceSeq, arrayType);
+                metaDataValue = exivValueToKMDValue(it->getValue(), forceSeq, arrayType);
             }
-            if (it->key() == "Exif.Photo.InteroperabilityTag" || it->key() == "Exif.Photo.0xea1d") { // InteroperabilityTag isn't useful for XMP, 0xea1d isn't a valid Exif tag
-                dbgMetaData << "Ignoring " << it->key().c_str();
+            if (it->key() == "Exif.Photo.InteroperabilityTag" || it->key() == "Exif.Photo.0xea1d" || metaDataValue.type() == KisMetaData::Value::Invalid) { // InteroperabilityTag isn't useful for XMP, 0xea1d isn't a valid Exif tag
+                warnMetaData << "Ignoring " << it->key().c_str();
             } else {
-                store->addEntry(KisMetaData::Entry(exifSchema, it->tagName().c_str(), v));
+                store->addEntry(KisMetaData::Entry(exifSchema, it->tagName().c_str(), metaDataValue));
             }
         } else if (it->groupName() == "Thumbnail") {
             dbgMetaData << "Ignoring thumbnail tag :" << it->key().c_str();
         } else {
             dbgMetaData << "Unknown exif tag, cannot load:" << it->key().c_str();
         }
     }
     ioDevice->close();
     return true;
 }