// COLMAP - Structure-from-Motion and Multi-View Stereo.
// Copyright (C) 2017  Johannes L. Schoenberger <jsch at inf.ethz.ch>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef COLMAP_SRC_BASE_CAMERA_DATABASE_H_
#define COLMAP_SRC_BASE_CAMERA_DATABASE_H_

#include <string>

#include "util/camera_specs.h"

namespace colmap {

// Database that contains sensor widths for many cameras, which is useful
// to automatically extract the focal length if EXIF information is incomplete.
class CameraDatabase {
 public:
  CameraDatabase();

  size_t NumEntries() const { return specs_.size(); }

  bool QuerySensorWidth(const std::string& make, const std::string& model,
                        double* sensor_width);

 private:
  static const camera_specs_t specs_;
};

}  // namespace colmap

#endif  // COLMAP_SRC_BASE_CAMERA_DATABASE_H_
