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// ***************************************************************** -*- C++ -*-
// Test for large (>65535 bytes) IPTC buffer
#include <exiv2/iptc.hpp>
#include <exiv2/image.hpp>
#include <exiv2/jpgimage.hpp>
#include <exiv2/futils.hpp>
#include <iostream>
#include <cassert>
int main(int argc, char* const argv[])
try {
if (argc != 3) {
std::cout << "Usage: " << argv[0] << " image datafile\n";
return 1;
}
std::string file(argv[1]);
std::string data(argv[2]);
// Read data file into data buffer
Exiv2::FileIo io(data);
if (io.open() != 0) {
throw Exiv2::Error(9, io.path(), Exiv2::strError());
}
Exiv2::DataBuf buf(io.size());
std::cout << "Reading " << buf.size_ << " bytes from " << data << "\n";
io.read(buf.pData_, buf.size_);
if (io.error() || io.eof()) throw Exiv2::Error(14);
// Read metadata from file
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
assert(image.get() != 0);
image->readMetadata();
// Set Preview field to the content of the data file
Exiv2::DataValue value;
value.read(buf.pData_, buf.size_);
Exiv2::IptcData& iptcData = image->iptcData();
std::cout << "IPTC fields: " << iptcData.size() << "\n";
iptcData["Iptc.Application2.Preview"] = value;
std::cout << "IPTC fields: " << iptcData.size() << "\n";
// Set IRB, compare with IPTC raw data
Exiv2::DataBuf irb = Exiv2::Photoshop::setIptcIrb(0, 0, iptcData);
std::cout << "IRB buffer : " << irb.size_ << "\n";
const Exiv2::byte* record;
uint32_t sizeHdr;
uint32_t sizeData;
Exiv2::Photoshop::locateIptcIrb(irb.pData_, irb.size_, &record, &sizeHdr, &sizeData);
Exiv2::DataBuf rawIptc = Exiv2::IptcParser::encode(iptcData);
std::cout << "Comparing IPTC and IRB size... ";
if (static_cast<uint32_t>(rawIptc.size_) != sizeData) {
std::cout << "not ";
}
std::cout << "ok\n";
std::cout << "Comparing IPTC and IRB data... ";
if (0 != memcmp(rawIptc.pData_, record + sizeHdr, sizeData)) {
std::cout << "not ";
}
std::cout << "ok\n";
// Set Iptc data and write it to the file
image->writeMetadata();
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}
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