68 lines
2.2 KiB
C++
68 lines
2.2 KiB
C++
// ***************************************************************** -*- C++ -*-
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// xmpsample.cpp, $Rev$
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// Sample/test for high level XMP classes
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#include "value.hpp"
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#include "xmp.hpp"
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#include "error.hpp"
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#include <string>
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#include <iostream>
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#include <iomanip>
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using namespace Exiv2;
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int main()
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try {
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// The XMP property container
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Exiv2::XmpData xmpData;
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// Add a simple XMP property in a known namespace
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Exiv2::Value::AutoPtr v = Exiv2::Value::create(xmpText);
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v->read("image/jpeg");
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xmpData.add(Exiv2::XmpKey("Xmp.dc.format"), v.get());
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// Add an ordered array of text values
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v = Exiv2::Value::create(xmpSeq);
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v->read("1) The first creator"); // the sequence in which the array elements
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v->read("2) The second creator"); // are added is relevant
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v->read("3) And another one");
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xmpData.add(Exiv2::XmpKey("Xmp.dc.creator"), v.get());
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// Add a language alternative property
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v = Exiv2::Value::create(langAlt);
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v->read("lang=de-DE Hallo, Welt"); // the default doesn't need a qualifier
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v->read("Hello, World"); // and it will become the first element
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xmpData.add(Exiv2::XmpKey("Xmp.dc.description"), v.get());
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// Output XMP properties
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for (Exiv2::XmpData::const_iterator md = xmpData.begin();
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md != xmpData.end(); ++md) {
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std::cout << std::setfill(' ') << std::left
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<< std::setw(44)
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<< md->key() << " "
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<< std::setw(9) << std::setfill(' ') << std::left
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<< md->typeName() << " "
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<< std::dec << std::setw(3)
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<< std::setfill(' ') << std::right
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<< md->count() << " "
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<< std::dec << md->value()
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<< std::endl;
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}
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// Serialize the XMP data and output the XMP packet
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std::string xmpPacket;
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if (0 != Exiv2::XmpParser::encode(xmpPacket, xmpData)) {
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throw Exiv2::Error(1, "Failed to serialize XMP data");
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}
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std::cout << xmpPacket << "\n";
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// Cleanup
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Exiv2::XmpParser::terminate();
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return 0;
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}
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catch (Exiv2::AnyError& e) {
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std::cout << "Caught Exiv2 exception '" << e << "'\n";
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return -1;
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}
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