Graphic java course, Drawing diagram in Applet [ Part 6 ]

Create a class "DiagramDemo" click finish

now open the class "DiagramDemo"

Extends the class to Applet
when you are typing Applet just press ctrl+spacebar
it will shows you some suggestions

next create function

To Draw a line

       

import java.applet.Applet;
import java.awt.Graphics;

/**
 *
 * @author Backtrace
 */
public class DiagramDemo extends Applet{
     
    public void paint(Graphics g){
    g.drawLine(100, 100, 200, 100);    
    
    }
}

        
    

Output
------------

To draw a rectangle

       g.drawLine(100, 100, 200, 100);          

To draw Fill rectangle

    g.setColor(Color.red);
    g.fillRect(175, 100, 100, 100);

To draw an Oval

         g.drawOval(200, 200, 100, 1);

Draw a polygon

 int[] x={400,410,350,300,200,200};
 int[] y={290,280,280,210,200,200};
 g.drawPolygon(x, y, 4);

Full Source code
-------------------------

       

import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;

/**
 *
 * @author Backtrace
 */
public class DiagramDemo extends Applet{
    
    int[] x={400,410,350,300,200,200};
    int[] y={290,280,280,210,200,200};
    
    public void paint(Graphics g){
    g.drawLine(100, 100, 200, 100);    
    
    g.drawLine(100, 100, 200, 100);    
    g.drawRect(150, 150, 100, 100);
    g.setColor(Color.red);
    g.fillRect(175, 100, 100, 100);
    g.drawOval(200, 200, 100, 1);
    g.drawPolygon(x, y, 4);
    }
}

        
    

Output
------------------

Posted in: applet,java