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#include <opencv2/core/core.hpp>

#include <opencv2/highgui/highgui.hpp>

#include <opencv2/imgproc/imgproc.hpp>

#include <stdio.h>

#include <vector>

#include <iostream>

#include <fstream>

using namespace std;

using namespace cv;

Mat org;

int n = 0;

vector<Point> capturePoint;

void on_mouse(int event, int x, int y, int flags, void *ustc)//event鼠标事件代号，x,y鼠标坐标，flags拖拽和键盘操作的代号

{




Point pt;//坐标点;



char coordinateName[16];

if (event == CV_EVENT_LBUTTONDOWN)//左键按下，读取坐标，并在图像上该点处划圆



{




pt = Point(x, y);



cout << x << ” ” << y << endl;



capturePoint.push_back(pt);



cout << capturePoint[n].x << ” ” << capturePoint[n].y << endl;



cout << “n=” << n << endl;



n++;



circle(org, pt, 2, Scalar(255, 0, 0, 0), CV_FILLED, CV_AA, 0);//划圆



sprintf(coordinateName, “(%d,%d)”, x, y);



putText(org, coordinateName, pt, FONT_HERSHEY_SIMPLEX, 0.5, Scalar(0, 0, 0, 255), 1, 8);//在窗口上显示坐标



if (n >= 1)



{




//imshow(“org”, org);



cvDestroyAllWindows();






}



}

}

int main()

{




org = imread(“one.png”, 1);



namedWindow(“org”, 1);//定义一个org窗口



setMouseCallback(“org”, on_mouse, 0);//调用回调函数



imshow(“org”, org);



waitKey(0);



cout << n << endl;



cout << capturePoint.size() << endl;



cout << capturePoint[0].x << endl;



ofstream file(“sample.txt”);



if (!file)



{




cout << “open file error!”;



return 1;



}



vector<Point>::iterator it = capturePoint.begin();



for (; it != capturePoint.end(); ++it)



{




file << it->x << ‘,’ << it->y << endl;



}



file << endl;



file.close();





return 0;

}