rotateImage.h

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#ifndef ROTATE_IMAGE_H
#define ROTATE_IMAGE_H


#include <opencv2/features2d/features2d.hpp>
#include <opencv2/highgui/highgui.hpp>
#include <opencv2/imgproc/imgproc.hpp>
#include <opencv2/calib3d/calib3d.hpp>
#include <opencv2/nonfree/nonfree.hpp>
#include <opencv2/core/core.hpp>
#include <opencv2/opencv.hpp>
#include <stdlib.h>
#include <iostream>
#include <stdio.h>
#include <string>
#include <math.h>
#include <vector>
#include <map>

using namespace cv;
using namespace std;

struct Equ {
    double m;
    double c;
    bool isVertical;
    bool isHorizontal;
};

class rotateImage
{
public:
  
    static void rotate_image(Mat & src, Mat & dst,const double degree);
  

protected:

    static double round(double number);

    static double degreeToRadian(double degree);

    static double radianToDegree(double radian);
    
    static Size rotationNewCanvasSize(double degree,double angle,double h);

    static double solveEquationY(Equ e,double x);

    static double solveEquationX(Equ e, double y);

    static map<string,int> rotationExtraMargins(Size &original, Size &newSize);

    static map<string,Point> getCorners(Size &original,map<string,int> &margins);
    
    static map<string,Point> getProjectedCorners(Size &s,double h,double degree,double angle);

    static Point getCentreBetweenPoints(Point &a, Point &b) ;

    static map<string,Point> getCentreBetweenOriginalsAndProjections(map<string,Point> &originals,map<string,Point> &projections);

    static Equ getLinearEquation(Point &a,Point &b);

    static Equ getPerpendicular(Equ e,Point p);
    
    static map<string,Equ> getLinearEquationBetweenOriginalsAndProjections(map<string,Point> &originals,map<string,Point> &projections);

    static map<string,Equ> getPerpendicularLinearEquation(map<string,Point> &originals,map<string,Point> &projections,map<string,Point> &centre);

    static Point getColisionPoint(Equ e1,Equ e2);

};


#endif // ROTATE_IMAGE_H