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iptceasy.cpp

The quickest way to access, set or modify IPTC metadata

// SPDX-License-Identifier: GPL-2.0-or-later
// The quickest way to access, set or modify IPTC metadata.
#include <exiv2/exiv2.hpp>
#include <iostream>
int main(int argc, char* const argv[]) try {
Exiv2::XmpParser::initialize();
::atexit(Exiv2::XmpParser::terminate);
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return EXIT_FAILURE;
}
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"] = static_cast<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
auto image = Exiv2::ImageFactory::open(file);
// Set IPTC data and write it to the file
image->setIptcData(iptcData);
image->writeMetadata();
return EXIT_SUCCESS;
} catch (Exiv2::Error& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return EXIT_FAILURE;
}
Exiv2::Error
Simple error class used for exceptions. An output operator is provided to print errors to a stream.
Definition error.hpp:236
Exiv2::ImageFactory::open
static Image::UniquePtr open(const std::string &path, bool useCurl=true)
Create an Image subclass of the appropriate type by reading the specified file. Image type is derived...
Definition image.cpp:804
Exiv2::IptcData
A container for IPTC data. This is a top-level class of the Exiv2 library.
Definition iptc.hpp:153
Exiv2::StringValueBase::read
int read(const std::string &buf) override
Read the value from buf. This default implementation uses buf as it is.
Definition value.cpp:176
Exiv2::StringValue
Value for string type.
Definition value.hpp:379
Exiv2::XmpParser::initialize
static bool initialize(XmpParser::XmpLockFct xmpLockFct=nullptr, void *pLockData=nullptr)
Initialize the XMP Toolkit.
Definition xmp.cpp:568
Exiv2::XmpParser::terminate
static void terminate()
Terminate the XMP Toolkit and unregister custom namespaces.
Definition xmp.cpp:623