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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
// ***************************************************************** -*- C++ -*-
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// easyaccess-test.cpp, $Rev$
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// Sample program using high-level metadata access functions
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// included header files
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#include <exiv2/image.hpp>
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#include <exiv2/exif.hpp>
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#include <exiv2/easyaccess.hpp>
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#include <iostream>
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#include <iomanip>
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#include <cassert>
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typedef Exiv2::ExifData::const_iterator (*EasyAccessFct)(const Exiv2::ExifData& ed);
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struct EasyAccess {
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const char* label_;
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EasyAccessFct findFct_;
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};
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static const EasyAccess easyAccess[] = {
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{ "Orientation", Exiv2::orientation },
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{ "ISO speed", Exiv2::isoSpeed },
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{ "Flash bias", Exiv2::flashBias },
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{ "Exposure mode", Exiv2::exposureMode },
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{ "Scene mode", Exiv2::sceneMode },
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{ "Macro mode", Exiv2::macroMode },
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{ "Image quality", Exiv2::imageQuality },
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{ "White balance", Exiv2::whiteBalance },
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{ "Lens name", Exiv2::lensName }
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};
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int main(int argc, char **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& ed = image->exifData();
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for (unsigned int i = 0; i < EXV_COUNTOF(easyAccess); ++i) {
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Exiv2::ExifData::const_iterator pos = easyAccess[i].findFct_(ed);
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if (pos != ed.end()) {
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std::cout << std::setw(13) << std::left << easyAccess[i].label_ << " ("
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<< std::setw(30) << pos->key() << ") : "
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<< pos->print(&ed) << "\n";
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}
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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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