// ***************************************************************** -*- C++ -*-
// easyaccess-test.cpp
// Sample program using high-level metadata access functions
// included header files
#include <exiv2/exiv2.hpp>
#include <iostream>
#include <iomanip>
#include <cassert>
typedef Exiv2::ExifData::const_iterator (*EasyAccessFct)(const Exiv2::ExifData& ed);
struct EasyAccess {
const char* label_;
EasyAccessFct findFct_;
};
static const EasyAccess easyAccess[] = {
{ "Orientation", Exiv2::orientation },
{ "ISO speed", Exiv2::isoSpeed },
{ "Flash bias", Exiv2::flashBias },
{ "Exposure mode", Exiv2::exposureMode },
{ "Scene mode", Exiv2::sceneMode },
{ "Macro mode", Exiv2::macroMode },
{ "Image quality", Exiv2::imageQuality },
{ "White balance", Exiv2::whiteBalance },
{ "Lens name", Exiv2::lensName },
{ "Saturation", Exiv2::saturation },
{ "Sharpness", Exiv2::sharpness },
{ "Contrast", Exiv2::contrast },
{ "Scene capture type", Exiv2::sceneCaptureType },
{ "Metering mode", Exiv2::meteringMode },
{ "Camera make", Exiv2::make },
{ "Camera model", Exiv2::model },
{ "Exposure time", Exiv2::exposureTime },
{ "FNumber", Exiv2::fNumber },
{ "Subject distance", Exiv2::subjectDistance },
{ "Camera serial number", Exiv2::serialNumber },
{ "Focal length", Exiv2::focalLength },
{ "AF point", Exiv2::afPoint }
};
int main(int argc, char **argv)
try {
if (argc != 2) {
std::cout << "Usage: " << argv[0] << " file\n";
return 1;
}
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
assert (image.get() != 0);
image->readMetadata();
Exiv2::ExifData& ed = image->exifData();
for (unsigned int i = 0; i < EXV_COUNTOF(easyAccess); ++i) {
Exiv2::ExifData::const_iterator pos = easyAccess[i].findFct_(ed);
std::cout << std::setw(20) << std::left << easyAccess[i].label_;
if (pos != ed.end()) {
std::cout << " (" << std::setw(35) << pos->key() << ") : "
<< pos->print(&ed) << "\n";
}
else {
std::cout << " (" << std::setw(35) << " " << ") : \n";
}
}
return 0;
}
catch (Exiv2::AnyError& e) {
std::cout << "Caught Exiv2 exception '" << e << "'\n";
return -1;
}