    int RafImage::pixelHeight() const
    {
        Exiv2::ExifData::const_iterator heightIter = exifData_.findKey(Exiv2::ExifKey("Exif.Photo.PixelYDimension"));
        if (heightIter != exifData_.end() && heightIter->count() > 0) {
            return heightIter->toLong();
        }
        return 0;
    }
Unknown