Source Code : MutableImage

Java Is Open Source Programming Language You Can Download From Java and Java Libraries From http://www.oracle.com. Click Here to download
We provide this code related to title for you to solve your developing problem easily. Libraries which is import in this program you can download from http://www.oracle.com. Click Here or search from google with Libraries Name you get jar file related it

MutableImage

/*--------------------------------------------------
* MutableImage.java
*
* Example from the book:     Core J2ME Technology
* Copyright John W. Muchow   http://www.CoreJ2ME.com
* You may use/modify for any non-commercial purpose
*-------------------------------------------------*/
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class MutableImage extends MIDlet implements CommandListener
{
  private Display display;      // Reference to display object
  private Form fmMain;         // Main form
  private Command cmExit;      // Command to exit the MIDlet
  private static final String message = "Core J2ME";

  public MutableImage()
  {
    display = Display.getDisplay(this);

    // Create a mutable image and get graphics object for image
    Image tmpImg = Image.createImage(80, 20);
    Graphics graphics = tmpImg.getGraphics();

    // Specify a font face, style and size
    Font font = Font.getFont(Font.FACE_SYSTEM, Font.STYLE_ITALIC, Font.SIZE_MEDIUM);
    graphics.setFont(font);
      
    // Center the text in the image
    graphics.drawString(message,
      (tmpImg.getWidth() / 2) - (font.stringWidth(message) / 2), 0, 
       Graphics.TOP | Graphics.LEFT);

    // Draw a rectangle around the image
    graphics.drawRect(0,0, tmpImg.getWidth()-1, tmpImg.getHeight()-1); 
    
    cmExit = new Command("Exit", Command.EXIT, 1);
    fmMain = new Form("");    
    fmMain.addCommand(cmExit);
    fmMain.setCommandListener(this);   
    
    // Convert the image to immutable and add to the form
    fmMain.append(Image.createImage(tmpImg));    
    display.setCurrent(fmMain);
  }
      
  public void startApp() 
  {
    display.setCurrent(fmMain);
  }
  
  public void pauseApp()
  { 
  }
     
  public void destroyApp(boolean unconditional)
  {
  }

  public void commandAction(Command c, Displayable s)
  {
    if (c == cmExit)
    {
      destroyApp(false);
      notifyDestroyed();
    } 
  }
}

           
       

Thank with us