iptceasy.cpp

The quickest way to access, set or modify IPTC metadata

// ***************************************************************** -*- C++ -*-
// iptceasy.cpp
// The quickest way to access, set or modify IPTC metadata.
/*
 * Copyright (C) 2004-2021 Exiv2 authors
 * This program is part of the Exiv2 distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
 */
 
#include <exiv2/exiv2.hpp>
#include <iostream>
#include <iomanip>
#include <cassert>
 
int main(int argc, char* const argv[])
try {
    Exiv2::XmpParser::initialize();
    ::atexit(Exiv2::XmpParser::terminate);
#ifdef EXV_ENABLE_BMFF
    Exiv2::enableBMFF();
#endif
 
    if (argc != 2) {
        std::cout << "Usage: " << argv[0] << " file\n";
        return 1;
    }
    std::string file(argv[1]);
 
    Exiv2::IptcData iptcData;
 
    iptcData["Iptc.Application2.Headline"] = "The headline I am";
    iptcData["Iptc.Application2.Keywords"] = "Yet another keyword";
    iptcData["Iptc.Application2.DateCreated"] = "2004-8-3";
    iptcData["Iptc.Application2.Urgency"] = uint16_t(1);
    iptcData["Iptc.Envelope.ModelVersion"] = 42;
    iptcData["Iptc.Envelope.TimeSent"] = "14:41:0-05:00";
    iptcData["Iptc.Application2.RasterizedCaption"] = "230 42 34 2 90 84 23 146";
    iptcData["Iptc.0x0009.0x0001"] = "Who am I?";
 
    Exiv2::StringValue value;
    value.read("very!");
    iptcData["Iptc.Application2.Urgency"] = value;
 
    std::cout << "Time sent: " << iptcData["Iptc.Envelope.TimeSent"] << "\n";
 
    // Open image file
    Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
    assert (image.get() != 0);
 
    // Set IPTC data and write it to the file
    image->setIptcData(iptcData);
    image->writeMetadata();
 
    return 0;
}
catch (Exiv2::AnyError& e) {
    std::cout << "Caught Exiv2 exception '" << e << "'\n";
    return -1;
}