bool NegativeProcessor::getRawExifTag(const char* exifTagName, int32 component, uint32* value) { Exiv2::ExifData::const_iterator it = m_RawExif.findKey(Exiv2::ExifKey(exifTagName)); if ((it == m_RawExif.end()) || (it->count() < (component + 1))) return false; *value = static_cast<uint32>(it->toLong(component)); return true; }
void print(const std::string& file) { Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file); assert(image.get() != 0); image->readMetadata(); Exiv2::ExifData &ed = image->exifData(); Exiv2::ExifData::const_iterator end = ed.end(); for (Exiv2::ExifData::const_iterator i = ed.begin(); i != end; ++i) { std::cout << std::setw(45) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(12) << std::setfill(' ') << std::left << i->ifdName() << " " << std::setw(9) << std::setfill(' ') << std::left << i->typeName() << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; } }
void print(const std::string& file) { Exiv2::ExifData ed; int rc = ed.read(file); if (rc) { std::string error = Exiv2::ExifData::strError(rc, file); throw Exiv2::Error(error); } Exiv2::ExifData::const_iterator end = ed.end(); for (Exiv2::ExifData::const_iterator i = ed.begin(); i != end; ++i) { std::cout << std::setw(45) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(12) << std::setfill(' ') << std::left << i->ifdName() << " " << std::setw(9) << std::setfill(' ') << std::left << i->typeName() << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; } }
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; }
int RafImage::pixelWidth() const { Exiv2::ExifData::const_iterator widthIter = exifData_.findKey(Exiv2::ExifKey("Exif.Photo.PixelXDimension")); if (widthIter != exifData_.end() && widthIter->count() > 0) { return widthIter->toLong(); } return 0; }
const long getExiv2ValueLong(Exiv2::ExifData& exifData, Exiv2::ExifData::const_iterator it) { if(it!=exifData.end() && it->count()) { return it->toLong(); } return 0; };
const std::string getExiv2ValueString(Exiv2::ExifData& exifData,Exiv2::ExifData::const_iterator it) { if(it!=exifData.end() && it->count()) { return hugin_utils::StrTrim(it->toString()); }; return std::string(""); };
const double getExiv2ValueDouble(Exiv2::ExifData& exifData, Exiv2::ExifData::const_iterator it) { if(it!=exifData.end() && it->count()) { return it->toFloat(); } return 0; };
bool NegativeProcessor::getRawExifTag(const char* exifTagName, int32 component, dng_urational* rational) { Exiv2::ExifData::const_iterator it = m_RawExif.findKey(Exiv2::ExifKey(exifTagName)); if ((it == m_RawExif.end()) || (it->count() < (component + 1))) return false; Exiv2::URational exiv2Rational = (*it).toRational(component); *rational = dng_urational(exiv2Rational.first, exiv2Rational.second); return true; }
int NegativeProcessor::getRawExifTag(const char* exifTagName, int16* valueArray, int32 maxFill) { Exiv2::ExifData::const_iterator it = m_RawExif.findKey(Exiv2::ExifKey(exifTagName)); if (it == m_RawExif.end()) return 0; int lengthToFill = std::min(maxFill, static_cast<int32>(it->count())); for (int i = 0; i < lengthToFill; i++) valueArray[i] = static_cast<int16>(it->toLong(i)); return lengthToFill; }
int NegativeProcessor::getRawExifTag(const char* exifTagName, dng_urational* valueArray, int32 maxFill) { Exiv2::ExifData::const_iterator it = m_RawExif.findKey(Exiv2::ExifKey(exifTagName)); if (it == m_RawExif.end()) return 0; int lengthToFill = std::min(maxFill, static_cast<int32>(it->count())); for (int i = 0; i < lengthToFill; i++) { Exiv2::URational exiv2Rational = (*it).toRational(i); valueArray[i] = dng_urational(exiv2Rational.first, exiv2Rational.second); } return lengthToFill; }
void print(const ExifData& exifData) { if (exifData.empty()) { std::string error("No Exif data found in the file"); throw Exiv2::Error(1, error); } Exiv2::ExifData::const_iterator end = exifData.end(); for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) { std::cout << std::setw(44) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(9) << std::setfill(' ') << std::left << i->typeName() << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; } }
void exiv2_dump_tags(const ExifData& exif) { cout << "exiv2_dump_tags: " << endl; Exiv2::ExifData::const_iterator end = exif.end(); for (Exiv2::ExifData::const_iterator i = exif.begin(); i != end; ++i) { std::cout << std::setw(44) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(9) << std::setfill(' ') << std::left << i->typeName() << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; } }
void scan_exiv2(const class scanner_params &sp,const recursion_control_block &rcb) { assert(sp.sp_version==scanner_params::CURRENT_SP_VERSION); if(sp.phase==scanner_params::PHASE_STARTUP){ assert(sp.info->si_version==scanner_info::CURRENT_SI_VERSION); sp.info->name = "exiv2"; sp.info->author = "Simson L. Garfinkel"; sp.info->description = "Searches for EXIF information using exiv2"; sp.info->scanner_version= "1.0"; sp.info->feature_names.insert("exif"); sp.info->feature_names.insert("gps"); sp.info->flags = scanner_info::SCANNER_DISABLED; // disabled because we have be_exif return; } if(sp.phase==scanner_params::PHASE_SHUTDOWN) return; if(sp.phase==scanner_params::PHASE_SCAN){ const sbuf_t &sbuf = sp.sbuf; feature_recorder *exif_recorder = sp.fs.get_name("exif"); feature_recorder *gps_recorder = sp.fs.get_name("gps"); #ifdef HAVE_EXIV2__LOGMSG__SETLEVEL /* New form to suppress error messages on exiv2 */ Exiv2::LogMsg::setLevel(Exiv2::LogMsg::mute); #endif size_t pos_max = 1; // by default, just scan 1 byte if(sbuf.bufsize > min_exif_size){ pos_max = sbuf.bufsize - min_exif_size; // we can scan more! } /* Loop through all possible locations in the buffer */ for(size_t pos=0;pos<pos_max;pos++){ size_t count = exif_gulp_size; count = min(count,sbuf.bufsize-pos); //size_t count = sbuf.bufsize-pos; // use all to end /* Explore the beginning of each 512-byte block as well as the starting location * of any JPEG on any boundary. This will cause processing of any multimedia file * that Exiv2 recognizes (for which I do not know all the headers. */ if(pos%512==0 || jpeg_start(sbuf+pos)){ try { Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(sbuf.buf+pos,count); if(image->good()){ image->readMetadata(); Exiv2::ExifData &exifData = image->exifData(); if (exifData.empty()) continue; /* * Create the MD5 of the first 4K to use as a unique identifier. */ sbuf_t tohash(sbuf,0,4096); string md5_hex = exif_recorder->fs.hasher.func(tohash.buf,tohash.bufsize); char xmlbuf[1024]; snprintf(xmlbuf,sizeof(xmlbuf), "<exiv2><width>%d</width><height>%d</height>", image->pixelWidth(),image->pixelHeight()); /* Scan through the fields reported by exiv2. * Create XML for each and extract GPS information if present. */ string photo_time; // use this when gps_time is not available string gps_time; string gps_date; string gps_lat_ref; string gps_lat; string gps_lon_ref; string gps_lon; string gps_ele; string gps_speed; string gps_course; bool has_gps = false; bool has_gps_date = false; string xml = xmlbuf; for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != exifData.end(); ++i) { if(i->count()>1000) continue; // ignore long ones string key = string(i->key()); xml.append("<"+key+">"+dfxml_writer::xmlescape(i->value().toString())+"</"+key+">"); // use Date from Photo unless date from GPS is available if(key=="Exif.Photo.DateTimeOriginal"){ photo_time = i->value().toString(); /* change "2011/06/25 12:20:11" to "2011-06-25 12:20:11" */ std::transform(photo_time.begin(),photo_time.end(),photo_time.begin(),slash_to_dash); /* change "2011:06:25 12:20:11" to "2011-06-25 12:20:11" */ if (photo_time[4] == ':') { photo_time[4] = '-'; } if (photo_time[7] == ':') { photo_time[7] = '-'; } /* Change "2011-06-25 12:20:11" to "2011-06-25T12:20:11" */ size_t first_space = photo_time.find(' '); if(first_space!=string::npos) { photo_time.replace(first_space,1,"T"); } } else if(key=="Exif.GPSInfo.GPSTimeStamp") { has_gps = true; has_gps_date = true; gps_time = i->value().toString(); // reformat timestamp to standard ISO8601 // change "12 20 11" to "12:20:11" if (gps_time.length() == 8) { if (gps_time[4] == ' ') { gps_time[4] = ':'; } if (gps_time[7] == ' ') { gps_time[7] = ':'; } } } else if(key=="Exif.GPSInfo.GPSDateStamp") { has_gps = true; has_gps_date = true; gps_date = i->value().toString(); // reformat timestamp to standard ISO8601 // change "2011:06:25" to "2011-06-25" if (gps_date.length() == 10) { if (gps_date[4] == ':') { gps_date[4] = '-'; } if (gps_date[7] == ':') { gps_date[7] = '-'; } } } else if(key=="Exif.GPSInfo.GPSLongitudeRef"){ has_gps = true; gps_lon_ref = fix_gps_ref(i->value().toString()); } else if(key=="Exif.GPSInfo.GPSLongitude"){ has_gps = true; gps_lon = fix_gps(i->value().toString()); } else if(key=="Exif.GPSInfo.GPSLatitudeRef"){ has_gps = true; gps_lat_ref = fix_gps_ref(i->value().toString()); } else if(key=="Exif.GPSInfo.GPSLatitude"){ has_gps = true; gps_lat = fix_gps(i->value().toString()); } else if(key=="Exif.GPSInfo.GPSAltitude"){ has_gps = true; gps_ele = dtos(rational(i->value().toString())); } else if(key=="Exif.GPSInfo.GPSSpeed"){ has_gps = true; gps_speed = dtos(rational(i->value().toString())); } else if(key=="Exif.GPSInfo.GPSTrack"){ has_gps = true; gps_course = i->value().toString(); } } xml.append("</exiv2>"); // record EXIF exif_recorder->write(sp.sbuf.pos0+pos,md5_hex,xml); // record GPS if (has_gps) { if (has_gps_date) { // record the GPS entry using the GPS date gps_recorder->write(sp.sbuf.pos0+pos,md5_hex, gps_date+"T"+gps_time+","+gps_lat_ref+gps_lat+"," +gps_lon_ref+gps_lon+"," +gps_ele+","+gps_speed+","+gps_course); } else { // record the GPS entry using the date obtained from Photo gps_recorder->write(sp.sbuf.pos0+pos,md5_hex, photo_time+","+gps_lat_ref+gps_lat+"," +gps_lon_ref+gps_lon+"," +gps_ele+","+gps_speed+","+gps_course); } } } } catch (Exiv2::AnyError &e) { } catch (std::exception &e) { } } } } }
void Tag_Handler::parseTag() { if(!gps_from_filename) gps_found = false; Exiv2::ExifData::const_iterator end = exif_data->end(); for(Exiv2::ExifData::const_iterator i = exif_data->begin(); i != end; ++i) { if(0)//(dumpAllExif) { const char* tn = i->typeName(); std::cout << std::setw(44) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(9) << std::setfill(' ') << std::left << (tn ? tn : "Unknown") << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; } if(i->key() == "Exif.GPSInfo.GPSLatitude" && !gps_from_filename) { gps.lat_ratio = QString::fromStdString(i->value().toString()); convert_degMinSec(gps.lat_ratio, gps.lat_coord); gps.lat_coord.dec_form = getDecForm(gps.lat_coord, gps.lat_coord.ref); gps_found = true; } else if(i->key() == "Exif.GPSInfo.GPSLongitude" && !gps_from_filename) { gps.long_ratio = QString::fromStdString(i->value().toString()); convert_degMinSec(gps.long_ratio, gps.long_coord); gps.long_coord.dec_form = getDecForm(gps.long_coord, gps.long_coord.ref); gps_found = true; } else if(i->key() == "Exif.GPSInfo.GPSLatitudeRef" && !gps_from_filename) { gps.lat_coord.ref = QString::fromStdString(i->value().toString()); } else if(i->key() == "Exif.GPSInfo.GPSLongitudeRef" && !gps_from_filename) { gps.long_coord.ref = QString::fromStdString(i->value().toString()); } else if(i->key() == "Exif.Photo.UserComment") { const char* tn = i->typeName(); std::cout << std::setw(44) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::setw(9) << std::setfill(' ') << std::left << (tn ? tn : "Unknown") << " " << std::dec << std::setw(3) << std::setfill(' ') << std::right << i->count() << " " << std::dec << i->value() << "\n"; //need to reset user comment if hasn't been set before if(i->count() == 264) { (*exif_data)["Exif.Photo.UserComment"] = ""; image->writeMetadata(); } } } if(!gps_found) { clearGPSdata(gps); } }