Settings.h

#ifndef __SETTINGS_H__
#define __SETTINGS_H__

#include <iostream>
#include <sstream>
#include <string>
#include <ctime>
#include <cstdio>

#include <opencv2/core/core.hpp>
//#include <opencv2/core/utility.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/calib3d/calib3d.hpp>
//#include <opencv2/imgcodecs.hpp>
//#include <opencv2/videoio.hpp>
#include <opencv2/highgui/highgui.hpp>

using namespace cv;
using namespace std;

class Settings
{
public:
    enum Pattern { NOT_EXISTING, CHESSBOARD, CIRCLES_GRID, ASYMMETRIC_CIRCLES_GRID };
    enum InputType { INVALID, CAMERA, VIDEO_FILE, IMAGE_LIST };
    double timeStep;

    Size boardSize;              // The size of the board -> Number of items by width and height
    Pattern calibrationPattern;  // One of the Chessboard, circles, or asymmetric circle pattern
    float squareSize;            // The size of a square in your defined unit (point, millimeter,etc).
    int nrFrames;                // The number of frames to use from the input for calibration
    float aspectRatio;           // The aspect ratio
    int delay;                   // In case of a video input
    bool writePoints;            // Write detected feature points
    bool writeExtrinsics;        // Write extrinsic parameters
    bool calibZeroTangentDist;   // Assume zero tangential distortion
    bool calibFixPrincipalPoint; // Fix the principal point at the center
    bool flipVertical;           // Flip the captured images around the horizontal axis
    string outputFileName;       // The name of the file where to write
    bool showUndistorsed;        // Show undistorted images after calibration
    string input;                // The input ->
    bool useFisheye;             // use fisheye camera model for calibration
    bool fixK1;                  // fix K1 distortion coefficient
    bool fixK2;                  // fix K2 distortion coefficient
    bool fixK3;                  // fix K3 distortion coefficient
    bool fixK4;                  // fix K4 distortion coefficient
    bool fixK5;                  // fix K5 distortion coefficient

    int cameraID;
    vector<string> imageList;
    size_t atImageList;
    VideoCapture inputCapture;
    InputType inputType;
    bool goodInput;
    int flag;

private:
    string patternToUse;

public:
    Settings() : goodInput(false), timeStep(1.) {}

    void read(const FileNode& node);                          //Read settings, called by opencv

    void write(FileStorage& fs) const;                        //Write settings, called by opencv

    void validate();					      //Validate settings, called in read()

    Mat getNextImage();

private:
    static bool readStringList( const string& filename, vector<string>& l ); //Just used in validate()
    static bool isListOfImages( const string& filename);      //Just used in validate()
};

#endif