changingoval Class Reference

Collaboration diagram for changingoval:

Classes
class	clickingListener
class	MyDrawPanel

Public Member Functions
void	go ()
Color	randomColor ()
	random returns a Color object with random values

Static Public Member Functions
static void	main (String[] args)

Detailed Description

Definition at line 5 of file changingoval.java.

Member Function Documentation

go()

void changingoval.go ( )

inline

Definition at line 38 of file changingoval.java.

                     {
        JFrame frame = new JFrame();
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.add(drawPanel);
 
        JButton button = new JButton("Change color");
        frame.add(button, BorderLayout.SOUTH);
 
        frame.addMouseListener(new clickingListener());
 
        frame.setSize(300, 300);
        frame.setVisible(true);
 
        while (true) {
            // circle follows the mouse
            //get the mouse position
            Point p = frame.getMousePosition();
            if (p != null) {
                x = (int) p.getX();
                y = (int) p.getY();
            }
            drawPanel.repaint();
            try {
                Thread.sleep(50);
            } catch (Exception ex) { }
        }
    }

Referenced by main().

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main()

static void changingoval.main ( String[] args )

inlinestatic

Definition at line 34 of file changingoval.java.

                                           {
        changingoval gui = new changingoval();
        gui.go();
    }

References go().

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randomColor()

Color changingoval.randomColor ( )

inline

random returns a Color object with random values

Definition at line 7 of file changingoval.java.

                               {
        int red = (int) (Math.random() * 255);
        int green = (int) (Math.random() * 255);
        int blue = (int) (Math.random() * 255);
        Color randomColor = new Color(red, green, blue);
        return randomColor;
    }

References randomColor().

Referenced by randomColor().

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The documentation for this class was generated from the following file:

• chapter8/changingoval.java