Class Painter dapat digunakan untuk membuat program
kecil yang membentuk garis dengan mouse (saat mouse di-drag).
Berikut ini program lengkapnya:
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01
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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05
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public class
Painter extends JFrame {
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private int
pointCount = 0;
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private Point points[] = new
Point[1000];
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public Painter () {
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super ("Program menggambar sederhana");
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getContentPane().add(new JLabel("Drag mouse to draw"),
BorderLayout.SOUTH);
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addMouseMotionListener
(
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new MouseMotionAdapter() {
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public void
mouseDragged
(MouseEvent e) {
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if (pointCount < points.length) {
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points[pointCount]
= e.getPoint();
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++pointCount;
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repaint();
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}
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}
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}
//end of anonymous class
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);
//end method addMotionListener
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setSize
(300,150);
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setLocationRelativeTo(null);
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setVisible(true);
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}
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public void
paint (Graphics g) {
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super.paint(g);
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for (int
i = 0; i <
points.length && points[i] != null; i++) {
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g.setColor(Color.red);
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g.fillOval
(points[i].x, points[i].y, 4,4);
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}
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}
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public static
void main (String args[]) {
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Painter
test = new Painter();
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test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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}
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}
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http://contohprogram.info/java/class-painter-menggambar-dengan-mouse-di-java.html
