示例#1
0
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(); )
    {
        int lastIndex = array.indexOf(null, index);
        QString setting = QString::fromUtf16((ushort*)(void*)( array.data() + index), lastIndex - index + 2);
        index = lastIndex + 2;
        dbgFile << "Setting << " << setting;
        settings.append(KisMetaData::Value(setting));
    }
    deviceSettingStructure["Settings"] = KisMetaData::Value(settings, KisMetaData::Value::OrderedArray);
    return KisMetaData::Value(deviceSettingStructure);
}
示例#2
0
// Convert an exiv value to a KisMetaData value
KisMetaData::Value exivValueToKMDValue(const Exiv2::Value::AutoPtr value, bool forceSeq, KisMetaData::Value::ValueType arrayType)
{
    switch (value->typeId()) {
    case Exiv2::signedByte:
    case Exiv2::invalidTypeId:
    case Exiv2::lastTypeId:
    case Exiv2::directory:
        dbgFile << "Invalid value :" << value->typeId() << " value =" << value->toString().c_str();
        return KisMetaData::Value();
    case Exiv2::undefined: {
        dbgFile << "Undefined value :" << value->typeId() << " value =" << value->toString().c_str();
        QByteArray array(value->count() , 0);
        value->copy((Exiv2::byte*)array.data(), Exiv2::invalidByteOrder);
        return KisMetaData::Value(QString(array.toBase64()));
    }
    case Exiv2::unsignedByte:
    case Exiv2::unsignedShort:
    case Exiv2::unsignedLong:
    case Exiv2::signedShort:
    case Exiv2::signedLong: {
        if (value->count() == 1 && !forceSeq) {
            return KisMetaData::Value((int)value->toLong());
        } else {
            QList<KisMetaData::Value> array;
            for (int i = 0; i < value->count(); i++)
                array.push_back(KisMetaData::Value((int)value->toLong(i)));
            return KisMetaData::Value(array, arrayType);
        }
    }
    case Exiv2::asciiString:
    case Exiv2::string:
    case Exiv2::comment: // look at kexiv2 for the problem about decoding correctly that tag
        return KisMetaData::Value(value->toString().c_str());
    case Exiv2::unsignedRational:
        if(value->size() < 2)
        {
          dbgFile << "Invalid size :" << value->size() << " value =" << value->toString().c_str();
          return KisMetaData::Value();
        }
        return KisMetaData::Value(KisMetaData::Rational(value->toRational().first , value->toRational().second));
    case Exiv2::signedRational:
        if(value->size() < 2)
        {
          dbgFile << "Invalid size :" << value->size() << " value =" << value->toString().c_str();
          return KisMetaData::Value();
        }
        return KisMetaData::Value(KisMetaData::Rational(value->toRational().first , value->toRational().second));
    case Exiv2::date:
    case Exiv2::time:
        return KisMetaData::Value(QDateTime::fromString(value->toString().c_str(), Qt::ISODate));
    case Exiv2::xmpText:
    case Exiv2::xmpAlt:
    case Exiv2::xmpBag:
    case Exiv2::xmpSeq:
    case Exiv2::langAlt:
    default: {
        dbgFile << "Unknown type id :" << value->typeId() << " value =" << value->toString().c_str();
        //Q_ASSERT(false); // This point must never be reached !
        return KisMetaData::Value();
    }
    }
    dbgFile << "Unknown type id :" << value->typeId() << " value =" << value->toString().c_str();
    //Q_ASSERT(false); // This point must never be reached !
    return KisMetaData::Value();
}