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51 lines
1.6 KiB
C++
51 lines
1.6 KiB
C++
// ***************************************************************** -*- C++ -*-
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// exifprint.cpp, $Rev$
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// Sample program to print the Exif metadata of an image
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#include <exiv2/image.hpp>
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#include <exiv2/exif.hpp>
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#include <iostream>
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#include <iomanip>
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#include <cassert>
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int main(int argc, char* const argv[])
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try {
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if (argc != 2) {
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std::cout << "Usage: " << argv[0] << " file\n";
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return 1;
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}
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Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
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assert(image.get() != 0);
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image->readMetadata();
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Exiv2::ExifData &exifData = image->exifData();
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if (exifData.empty()) {
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std::string error(argv[1]);
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error += ": No Exif data found in the file";
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throw Exiv2::Error(1, error);
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}
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Exiv2::ExifData::const_iterator end = exifData.end();
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for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
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const char* tn = i->typeName();
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std::cout << std::setw(44) << std::setfill(' ') << std::left
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<< i->key() << " "
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<< "0x" << std::setw(4) << std::setfill('0') << std::right
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<< std::hex << i->tag() << " "
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<< std::setw(9) << std::setfill(' ') << std::left
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<< (tn ? tn : "Unknown") << " "
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<< std::dec << std::setw(3)
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<< std::setfill(' ') << std::right
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<< i->count() << " "
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<< std::dec << i->value()
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<< "\n";
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}
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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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