Class FindExifdatumByKey

src/exif.cpp:36–51

Unary predicate that matches a Exifdatum with a given key

namespace {
//! Unary predicate that matches a Exifdatum with a given key
class FindExifdatumByKey {
 public:
  //! Constructor, initializes the object with the key to look for
  explicit FindExifdatumByKey(std::string key) : key_(std::move(key)) {
  }
  /*!
    @brief Returns true if the key of \em exifdatum is equal
           to that of the object.
  */
  bool operator()(const Exiv2::Exifdatum& exifdatum) const {
    return key_ == exifdatum.key();
  }

 private:
  std::string key_;
};  // class FindExifdatumByKey

/*!
  @brief Exif %Thumbnail image. This abstract base class provides the