Draw image with rectangle : Image « J2ME « Java Tutorial

1. Java Tutorial
2. J2ME
3. Image

import javax.microedition.lcdui.Canvas;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Graphics;
import javax.microedition.lcdui.Image;
import javax.microedition.midlet.MIDlet;

public class DrawImageMIDlet extends MIDlet implements CommandListener {

  private Command exitCommand;

  Display display;

  Image image = null;

  public void startApp() {
    Display display = Display.getDisplay(this);

    try {
      image = Image.createImage("/0.png");
    } catch (Exception e) {
    }

    Displayable d = new DrawImageCanvas(image);
    exitCommand = new Command("Exit", Command.EXIT, 1);

    d.addCommand(exitCommand);
    d.setCommandListener(this);

    display.setCurrent(d);
  }

  public void pauseApp() {
  }

  public void destroyApp(boolean unconditional) {
  }

  public void commandAction(Command c, Displayable s) {
    notifyDestroyed();
  }
}

class DrawImageCanvas extends Canvas {

  int width = 0;

  int height = 0;

  Image image = null;

  DrawImageCanvas(Image image) {
    this.image = image;
  }

  public void paint(Graphics g) {
    width = getWidth();
    height = getHeight();

    g.setGrayScale(255);
    g.fillRect(0, 0, width - 1, height - 1);
    g.setGrayScale(0);
    g.drawRect(0, 0, width - 1, height - 1);

    g.drawImage(image, width / 2, height / 2, g.HCENTER | g.VCENTER);

  }
}

31.35.Image
	31.35.1.	Draw image
	31.35.2.	Draw image to the bottom and right
	31.35.3.	Draw image to the center vertically and horizontally
	31.35.4.	Draw image with rectangle
	31.35.5.	Display big Image
	31.35.6.	Immutable image
	31.35.7.	Mutable Image
	31.35.8.	Image loading exception