// define head function#ifndef PS_ALGORITHM_H_INCLUDED#define PS_ALGORITHM_H_INCLUDED#include 
    
     #include 
     
      #include "cv.h"#include "highgui.h"#include "cxmat.hpp"#include "cxcore.hpp"#include "math.h"using namespace std;using namespace cv;void Show_Image(Mat&, const string &);#endif // PS_ALGORITHM_H_INCLUDED/*This program will generate the garland.*/#include "PS_Algorithm.h"#include 
      
       using namespace std;using namespace cv;#define pi 3.1415926int main(){    Mat Img(400,600, CV_32FC3);    int width=Img.cols;    int height=Img.rows;    Point Center(width/2, height/2);    int k=4;    int N=720;    float R=150.0;    float dn;    dn=360.0/N;    float theta;    float r;    float x,y;    float new_x, new_y;    for (int i=0; i<=N; i++)    {        theta=(i*dn)*pi/180.0;        r=R*sin(k*theta);        x=(r*cos(theta));        y=(r*sin(theta));        new_y=(int)(Center.y-y);        new_x=(int)(Center.x+x);        Img.at
       
        (new_y, new_x)[0]=1;        Img.at
        
         (new_y, new_x)[1]=1;        Img.at
         
          (new_y, new_x)[2]=1; } Show_Image(Img, "out"); imwrite("Out.jpg", Img*255); waitKey();}// define the show image#include "PS_Algorithm.h"#include 
          
           #include 
           
            using namespace std;using namespace cv;void Show_Image(Mat& Image, const string& str){ namedWindow(str.c_str(),CV_WINDOW_AUTOSIZE); imshow(str.c_str(), Image);}