include "opencv2/highgui/highgui.hpp"

include <iostream>

#include "opencv2/highgui/highgui.hpp"
#include <iostream>

using namespace cv;
using namespace std;
 
std;


IplImage *rotateImage(const IplImage *src, int angleDegrees, double zoom)
{ 
 
    IplImage *imageRotated = cvCloneImage(src);
 
cvCloneImage(src);


    CvMat* rot_mat = cvCreateMat(2,3,CV_32FC1);

 // Compute rotation matrix
 CvPoint2D32f center = cvPoint2D32f( cvGetSize(imageRotated).width/2, cvGetSize(imageRotated).height/2 );
 cv2DRotationMatrix( center, angleDegrees, zoom, rot_mat );

 // Do the transformation
 cvWarpAffine( src, imageRotated, rot_mat );

 return imageRotated;
 
}
 
}


int main()
{
 
{

          IplImage* img;
       IplImage* rotated_img;

       int angle=0;
       int zoom=24;

       //creating the window with 2 track bars
       cvNamedWindow("MyWindow");
       cvCreateTrackbar("Angle", "MyWindow", &angle, 360, 0);
       cvCreateTrackbar("Zoom", "MyWindow", &zoom, 99, 0);

       while(true){
           //load the original image
           img = cvLoadImage("C:/MyPic.jpg");

           //rotate the image
           rotated_img=rotateImage( img, angle, (zoom+1)/25.0 );

           //display the rotated image
           cvShowImage("MyWindow", rotated_img); 

           //clean up
           cvReleaseImage(&img);
           cvReleaseImage(&rotated_img);

           //if user press 'ESC' button, program quit the while loop
           int c=cvWaitKey(50);               
           if(c==27) break;
       }


       cvDestroyWindow("MyWindow");

       return 0;
}
  
}