drawing in java

**liamo** · 03-22-2012, 12:22 PM

im trying to draw a random line or swiggle in the white space.i have tryed loads of code but it fails to draw.any ideas?

Java Code:

public class mirrordraw extends JFrame implements ActionListener{
	
	
	private Color color=(Color.WHITE);

	

	private JButton hjbutton;
	private JButton vjbutton;
	private JButton djbutton;
	private JButton cjbutton;
	private JCheckBox cbutton;
	private JButton rjbutton;
	private JButton gjbutton;
	private JButton bjbutton;
	//JLabel idLabel = new JLabel("Status bar:", JLabel.LEFT);
	
	
	

	JFrame f=new JFrame("mirrordraw");
	JPanel y=new JPanel();
	JPanel x=new JPanel();
	JPanel b=new JPanel();
	JPanel c=new JPanel();//f
	//private static canvas Canvas = new canvas();
	
	
		
	public mirrordraw(){
		
		
		
		f.getContentPane().setLayout(new GridLayout(1,2));
		x.setLayout(new GridLayout(6,1));
		b.setLayout(new GridLayout(2,2));
		
		
		
		JPanel drawing=new JPanel ();
		 drawing.setBackground(Color.white);
		  f.add(drawing, BorderLayout.EAST);
		   drawing.setPreferredSize(new Dimension(400, 0));
		    drawing.setBorder(BorderFactory.createLineBorder (Color.blue, 2));
		    drawing.setBackground(Color.white);
		    f.add(drawing, BorderLayout.EAST);
		    f.getGraphics();
		   
		   

		 
		
		hjbutton=new JButton ("Horizontal ");
	x.add(hjbutton,BorderLayout.EAST);
	
		vjbutton=new JButton ("Vertical ");
		x.add(vjbutton,BorderLayout.EAST); 
		
		djbutton=new JButton ("Diagonal");
		x.add(djbutton,BorderLayout.EAST);
		
		cbutton=new JCheckBox ("crosshairs ");
		cbutton.setBackground(Color.GRAY);
		cbutton.setBorder(null);
		
		x.add(cbutton,BorderLayout.EAST);
		
		rjbutton=new JButton ();
		rjbutton.setBackground(Color.red);
		rjbutton.setBorder(null);

		b.add(rjbutton,BorderLayout.WEST);
		rjbutton.setBorder(null);

		b.add(rjbutton,BorderLayout.WEST);
			
	
	rjbutton.setBorder(null);

	b.add(rjbutton,BorderLayout.WEST);
		gjbutton=new JButton ();
		gjbutton.setBackground(Color.green);
		gjbutton.setBorder(null);

		b.add(gjbutton,BorderLayout.EAST);
		
		bjbutton=new JButton ();
		bjbutton.setBackground(Color.blue);
		bjbutton.setBorder(null);

		b.add(bjbutton,BorderLayout.WEST);
		
		bjbutton=new JButton ();
		bjbutton.setBackground(Color.black);
		bjbutton.setBorder(null);

		b.add(bjbutton,BorderLayout.EAST);
		
		
		
		
		x.add(b);
		
		
		
		
		
		cjbutton=new JButton ("clear");
		x.add(cjbutton,BorderLayout.EAST);
	
		
		f.getContentPane().add(x);
		
	
	
		
		
		
	
		
		
		
		
		f.setVisible(true);}
	
		
	
		
		 
		public void actionPerformed(ActionEvent e) {
			if(e.getSource()==cbutton) getContentPane().getGraphics();
				getGraphics();
				cbutton.setVisible(true);
			
				
		
	}
		  
		

		
		
		
		
				
		
	
	public static void main (String [] args){
		
JFrame frame = new mirrordraw();
	
	frame.setSize(400,400);
	frame.setLocationRelativeTo(null); // Center  frame
	frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	
	
	}


	public static class canvas extends JPanel{	private int pointCount=0;
	private Point[] points=new Point[20000];
	public int x,y;
	{
		
		
		
			 
		
	addMouseMotionListener(
			new MouseMotionAdapter()
			{ public void mouseDragged(MouseEvent event)
			{
				if (pointCount<points.length);
				{points[pointCount]=event.getPoint();
				++pointCount;
				repaint();
				
				
			}
			}
			}
			);}


	public void paintComponent(Graphics g)
	{
	super.paint(g); 
	for (int i=0;i<pointCount;i++)
	g.fillOval(points[i].x,points[i].y,4,4);

	}
	public void mouseMoved(MouseEvent e) 
	{ 
	  x=e.getX();
	  y=e.getY();
	     repaint();

	} 

	public void mouseDragged(MouseEvent e) 
	{ x=e.getX();
	y=e.getY();
	} 


	}
		
		


	

	


	
		
	
	



		
		
	}