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79 lines
2.9 KiB
C++
79 lines
2.9 KiB
C++
// SPDX-License-Identifier: GPL-2.0-or-later
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// Sample program using high-level metadata access functions
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#include <exiv2/exiv2.hpp>
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#include <iomanip>
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#include <iostream>
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static constexpr auto easyAccess = std::array{
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std::pair("Orientation", &Exiv2::orientation),
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std::pair("ISO speed", &Exiv2::isoSpeed),
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std::pair("Date & time original", &Exiv2::dateTimeOriginal),
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std::pair("Flash bias", &Exiv2::flashBias),
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std::pair("Exposure mode", &Exiv2::exposureMode),
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std::pair("Scene mode", &Exiv2::sceneMode),
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std::pair("Macro mode", &Exiv2::macroMode),
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std::pair("Image quality", &Exiv2::imageQuality),
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std::pair("White balance", &Exiv2::whiteBalance),
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std::pair("Lens name", &Exiv2::lensName),
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std::pair("Saturation", &Exiv2::saturation),
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std::pair("Sharpness", &Exiv2::sharpness),
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std::pair("Contrast", &Exiv2::contrast),
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std::pair("Scene capture type", &Exiv2::sceneCaptureType),
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std::pair("Metering mode", &Exiv2::meteringMode),
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std::pair("Camera make", &Exiv2::make),
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std::pair("Camera model", &Exiv2::model),
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std::pair("Exposure time", &Exiv2::exposureTime),
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std::pair("FNumber", &Exiv2::fNumber),
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std::pair("Shutter speed value", &Exiv2::shutterSpeedValue),
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std::pair("Aperture value", &Exiv2::apertureValue),
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std::pair("Brightness value", &Exiv2::brightnessValue),
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std::pair("Exposure bias", &Exiv2::exposureBiasValue),
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std::pair("Max aperture value", &Exiv2::maxApertureValue),
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std::pair("Subject distance", &Exiv2::subjectDistance),
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std::pair("Light source", &Exiv2::lightSource),
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std::pair("Flash", &Exiv2::flash),
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std::pair("Camera serial number", &Exiv2::serialNumber),
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std::pair("Focal length", &Exiv2::focalLength),
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std::pair("Subject location/area", &Exiv2::subjectArea),
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std::pair("Flash energy", &Exiv2::flashEnergy),
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std::pair("Exposure index", &Exiv2::exposureIndex),
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std::pair("Sensing method", &Exiv2::sensingMethod),
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std::pair("AF point", &Exiv2::afPoint),
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};
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int main(int argc, char** argv) {
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try {
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Exiv2::XmpParser::initialize();
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::atexit(Exiv2::XmpParser::terminate);
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#ifdef EXV_ENABLE_BMFF
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Exiv2::enableBMFF();
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#endif
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if (argc != 2) {
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std::cout << "Usage: " << argv[0] << " file\n";
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return EXIT_FAILURE;
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}
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auto image = Exiv2::ImageFactory::open(argv[1]);
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image->readMetadata();
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Exiv2::ExifData& ed = image->exifData();
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for (auto&& [label, fct] : easyAccess) {
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auto pos = fct(ed);
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std::cout << std::setw(21) << std::left << label;
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if (pos != ed.end()) {
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std::cout << " (" << std::setw(35) << pos->key() << ") : " << pos->print(&ed) << "\n";
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} else {
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std::cout << " (" << std::setw(35) << " "
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<< ") : \n";
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}
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}
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return EXIT_SUCCESS;
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} catch (Exiv2::Error& e) {
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std::cout << "Caught Exiv2 exception '" << e << "'\n";
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return EXIT_FAILURE;
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}
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}
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