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"; } }
void ImageResolution::readexiv(char const *fn) { Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(fn); if (!image.get()) return; image->readMetadata(); Exiv2::ExifData &exifData = image->exifData(); if (exifData.empty()) return; Exiv2::ExifData::const_iterator end = exifData.end(); bool havex = false; bool havey = false; bool haveunit = false; int unit; for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) { if (ok_) break; if (i->tag()==0x011a) { // X Resolution x_ = i->toFloat(); havex = true; } else if (i->tag()==0x011b) { // Y Resolution y_ = i->toFloat(); havey = true; } else if (i->tag()==0x0128) { unit = i->toLong(); } ok_ = havex && havey && haveunit; } if (haveunit) { if (unit==3) { x_ *= 2.54; y_ *= 2.54; } } ok_ = havex && havey; }
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"; } }
int main(int argc, char* const argv[]) try { if (argc != 2) { std::cout << "Usage: " << argv[0] << " file\n"; return 1; } Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]); if (image.get() == 0) { std::string error(argv[1]); error += " : Could not read file or unknown image type"; throw Exiv2::Error(error); } // Load existing metadata int rc = image->readMetadata(); if (rc) { std::string error = Exiv2::Image::strError(rc, argv[1]); throw Exiv2::Error(error); } Exiv2::ExifData &exifData = image->exifData(); Exiv2::ExifData::const_iterator end = exifData.end(); for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) { std::cout << std::setw(53) << std::setfill(' ') << std::left << i->key() << " " << "0x" << std::setw(4) << std::setfill('0') << std::right << std::hex << i->tag() << " " << std::dec << i->value() << "\n"; } return rc; } catch (Exiv2::Error& e) { std::cout << "Caught Exiv2 exception '" << e << "'\n"; return -1; }
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); } }