图上画线或圆

//未上传

#include<iostream>

#include<opencv2/opencv.hpp>

using namespace std;

using namespace cv;

int main()

{

printf(CV_VERSION);

Point start(0, 4);

Point end(200, 77);

int thickness = 2;

int lineType = 8;

Mat image = imread("F:\\数据集\\数字图像处理标准测试图\\BaboonRGB.bmp",2|4);

Mat image1 = image.clone();

line(image,start,end,Scalar(0, 256, 0), thickness, lineType);//画线

namedWindow("直线");

imshow("直线",image);

int row = image.rows;   //获得宽

int col = image.cols;

Point center(row/2, col/2);

circle(image1,center,2,8);//画实心圆

namedWindow("圆");

imshow("圆", image1);

waitKey(0);

//system("pause");//最好不要用此句

return 0;

}