Desktop : OpenCV Rect Contain Points

Goal

Test OpenCV rect contain points.

OpenCV_RectangleContain.java

import org.opencv.core.*;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class OpenCV_RectangleContain {

    static {System.loadLibrary(Core.NATIVE_LIBRARY_NAME);}

    public static void main(String[] args){
        Mat img = Mat.zeros(250, 250, CvType.CV_8UC3);

        List<Integer> pointX=new ArrayList<Integer>();
        List<Integer> pointY=new ArrayList<Integer>();
        int X,Y,maxX,maxY,minX,minY;
        for(int i=0;i<20;i++){
            X=(int)(Math.random()*200+10);
            Y=(int)(Math.random()*200+10);
            Imgproc.circle(img, new Point(X,Y), 2, new Scalar(0, 255, 0));
            pointX.add(X);
            pointY.add(Y);

        }
        maxX= Collections.max(pointX);
        maxY=Collections.max(pointY);
        minX=Collections.min(pointX);
        minY=Collections.min(pointY);

        Imgproc.rectangle(img, new Point(minX,minY), new Point(maxX,maxY), new Scalar(0, 0, 255));

        Imgcodecs.imwrite("D:\\projects\\Java\\OpenCV_Samples\\resource\\imgs\\rectContainPoint.jpg", img );
    }


}

Result