#include <iostream>
#include <stdio.h>
#include <exiv2/exiv2.hpp>

#include <iomanip>
#include <cassert>

int main(int argc, char const *argv[])
try
{
  if (argc != 2)
  {
    std::cout << "Usage: "<< argv[0] << "file\n";
    return 1;
  }
  std::string file(argv[1]);
  Exiv2::ExifData exifData;

  // General Camera Info //
  exifData["Exif.Image.Model"] = "Manta G917L";
  exifData["Exif.Image.Make"]  = "Allied Vision";

  // GPS Tag Info //
  exifData["Exif.GPSInfo.GPSVersionID"] = "2 2 2 2";            // Byte
  exifData["Exif.GPSInfo.GPSLatitudeRef"] = "N";                // Ascii
  exifData["Exif.GPSInfo.GPSLatitude"] = "24/1 24/1 24/1";      // Rational
  exifData["Exif.GPSInfo.GPSLongitudeRef"] = "E";               // Ascii
  exifData["Exif.GPSInfo.GPSLongitude"] = "243/1 24/1 24/1";    // Rational
  exifData["Exif.GPSInfo.GPSAltitudeRef"] = "1";                // Byte
  exifData["Exif.GPSInfo.GPSAltitude"] = "23/1";                // Rational
  exifData["Exif.GPSInfo.GPSDateStamp"] = "2016:11:11";         // Ascii
  exifData["Exif.GPSInfo.GPSTimeStamp"] = "23/1 45/1 44/1";     // Rational

  Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
  assert(image.get() != 0);

  image->setExifData(exifData);
  image->writeMetadata();
  return 0;
}
catch(Exiv2::AnyError& e)
{
  std::cout << "Caught Exiv2 exception '" << e << "'\n";
  return -1;
}