iptcprint.cpp

Sample program to print the IPTC metadata of an image

00001 // ***************************************************************** -*- C++ -*-
00002 // iptcprint.cpp, $Rev: 1328 $
00003 // Sample program to print the IPTC metadata of an image
00004 
00005 #include <exiv2/image.hpp>
00006 #include <exiv2/iptc.hpp>
00007 #include <iostream>
00008 #include <iomanip>
00009 #include <cassert>
00010 
00011 int main(int argc, char* const argv[])
00012 try {
00013 
00014     if (argc != 2) {
00015         std::cout << "Usage: " << argv[0] << " file\n";
00016         return 1;
00017     }
00018 
00019     Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
00020     assert (image.get() != 0);
00021     image->readMetadata();
00022 
00023     Exiv2::IptcData &iptcData = image->iptcData();
00024     if (iptcData.empty()) {
00025         std::string error(argv[1]);
00026         error += ": No IPTC data found in the file";
00027         throw Exiv2::Error(1, error);
00028     }
00029 
00030     Exiv2::IptcData::iterator end = iptcData.end();
00031     for (Exiv2::IptcData::iterator md = iptcData.begin(); md != end; ++md) {
00032         std::cout << std::setw(44) << std::setfill(' ') << std::left
00033                   << md->key() << " "
00034                   << "0x" << std::setw(4) << std::setfill('0') << std::right
00035                   << std::hex << md->tag() << " "
00036                   << std::setw(9) << std::setfill(' ') << std::left
00037                   << md->typeName() << " "
00038                   << std::dec << std::setw(3)
00039                   << std::setfill(' ') << std::right
00040                   << md->count() << "  "
00041                   << std::dec << md->value()
00042                   << std::endl;
00043     }
00044 
00045     return 0;
00046 }
00047 catch (Exiv2::AnyError& e) {
00048     std::cout << "Caught Exiv2 exception '" << e << "'\n";
00049     return -1;
00050 }

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