// uses the exiv2 class to readout the exifdata from images
int ExifScout::showExifData(std::string a){
try {
Ui_MainWindow::textEdit->clear();
std::cerr << "ImageFactory::open ";
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(a);
std::cerr << "DONE\n";
assert(image.get() != 0);
std::cerr << "image->readMetadata() ";
image->readMetadata();
std::cerr << "DONE\n";
std::cerr << "Exiv2::ExifData& exifData = image->exifData() ";
Exiv2::ExifData exifData = image->exifData();
std::cerr << "DONE\n";
cout << "Number of found exiv2 data: " << exifData.count() << endl;
if (exifData.empty()) {
Ui_MainWindow::textEdit->setPlainText("No Exif data found in file");
return 1;
}
Exiv2::ExifData::const_iterator end = exifData.end();
std::cerr << "Generate the exif-output ";
QString output;
for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
std::string tagname = i->tagName();
if(tagname != std::string("MakerNote") and
tagname.substr(0,2) != "0x"){
// Print out the exif-data in the QtextEdit Field
std::ostringstream oss;
oss << i->tagName() << ":\n " << i->value() << "\n";
output = output+(QString)oss.str().c_str();
}
}
std::cerr << "Done\n";
Ui_MainWindow::textEdit->setPlainText(output);
return 0;
}
//catch (std::exception& e) {
//catch (Exiv2::AnyError& e) {
catch (Exiv2::Error& e) {
std::cout << "Caught Exiv2 exception '" << e.what() << "'\n";
return -1;
}
}
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_MAJOR_VERSION == 0 && EXIV2_MINOR_VERSION <= 17
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
dbgFile << "Byte order = " << byteOrder << ppVar(Exiv2::bigEndian) << ppVar(Exiv2::littleEndian);
dbgFile << "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" ) {
dbgFile << 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") {
dbgFile << "Ignoring " << it->key().c_str();
} else if (KisMetaData::Entry::isValidName(fixedTN)) {
store->addEntry(KisMetaData::Entry(tiffSchema, fixedTN, exivValueToKMDValue(it->getValue(), false))) ;
} else {
dbgFile << "Invalid tag name: " << fixedTN;
}
} else if (it->groupName() == "Photo" || (it->groupName() == "GPS")) {
// Exif tags (and GPS tags)
KisMetaData::Value v;
if (it->key() == "Exif.Photo.ExifVersion" || it->key() == "Exif.Photo.FlashpixVersion") {
v = exifVersionToKMDValue(it->getValue());
} else if (it->key() == "Exif.Photo.FileSource") {
v = KisMetaData::Value(3);
} else if (it->key() == "Exif.Photo.SceneType") {
v = KisMetaData::Value(1);
} else if (it->key() == "Exif.Photo.ComponentsConfiguration") {
v = exifArrayToKMDIntOrderedArray(it->getValue());
} else if (it->key() == "Exif.Photo.OECF") {
v = exifOECFToKMDOECFStructure(it->getValue(), byteOrder);
} else if (it->key() == "Exif.Photo.DateTimeDigitized" || it->key() == "Exif.Photo.DateTimeOriginal") {
v = KisMetaData::Value(exivValueToDateTime(it->getValue()));
} else if (it->key() == "Exif.Photo.DeviceSettingDescription") {
v = deviceSettingDescriptionExifToKMD(it->getValue());
} else if (it->key() == "Exif.Photo.CFAPattern") {
v = cfaPatternExifToKMD(it->getValue(), byteOrder);
} else if (it->key() == "Exif.Photo.Flash") {
v = 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.";
}
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);
}
if (it->key() == "Exif.Photo.InteroperabilityTag" || it->key() == "Exif.Photo.0xea1d") { // InteroperabilityTag isn't useful for XMP, 0xea1d isn't a valid Exif tag
dbgFile << "Ignoring " << it->key().c_str();
} else {
store->addEntry(KisMetaData::Entry(exifSchema, it->tagName().c_str(), v));
}
} else if (it->groupName() == "Thumbnail") {
dbgFile << "Ignoring thumbnail tag :" << it->key().c_str();
} else {
dbgFile << "Unknown exif tag, cannot load:" << it->key().c_str();
}
}
ioDevice->close();
return true;
}