Home » » Class Painter: Menggambar dengan Mouse di Java

Class Painter: Menggambar dengan Mouse di Java

Posted by KEPOIN IT on Sunday, November 6, 2011


Class Painter dapat digunakan untuk membuat program kecil yang membentuk garis dengan mouse (saat mouse di-drag).
Berikut ini tampilannya:




Berikut ini program lengkapnya:


01
import java.awt.*;
02
import java.awt.event.*;

03
import javax.swing.*;
04


05
public class Painter extends JFrame {
06
    private int pointCount = 0;

07
    private Point points[] = new Point[1000];
08


09
    public Painter () {
10
        super ("Program menggambar sederhana");

11

12
        getContentPane().add(new JLabel("Drag mouse to draw"), BorderLayout.SOUTH);

13

14
        addMouseMotionListener (

15
            new MouseMotionAdapter() {
16
                public void mouseDragged (MouseEvent e) {

17
                    if (pointCount < points.length) {
18
                        points[pointCount] = e.getPoint();

19
                        ++pointCount;
20
                        repaint();

21
                    }
22
                }

23
            } //end of anonymous class
24
        ); //end method addMotionListener

25

26
        setSize (300,150);

27
        setLocationRelativeTo(null);
28
        setVisible(true);

29
    }
30


31
    public void paint (Graphics g) {
32
        super.paint(g);

33
        for (int i = 0; i < points.length && points[i] != null; i++) {
34
            g.setColor(Color.red);

35
            g.fillOval (points[i].x, points[i].y, 4,4);
36
        }

37
    }
38


39
    public static void main (String args[]) {
40
        Painter test = new Painter();

41
        test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
42
    }


Thanks for reading & sharing KEPOIN IT

Previous
« Prev Post

0 comments:

Post a Comment

Cari Artikel

Paling Dilihat