/*   Canvas のテスト  Ver 0.00   */
/*                               */
/*                               */
/*   by Atsushi      2000/7/24   */


import javax.microedition.lcdui.*;
import javax.microedition.midlet.*;


public class CanvasTest extends MIDlet implements CommandListener
{
	/*   ---   Field   ---   */

	private Display display;
	private Command exit;

	/*   ---   Constructor   ---   */

	public CanvasTest()
	{
		display=Display.getDisplay(this);
		exit=new Command("Exit",Command.SCREEN,2);
	}

	/*   ---   開始・終了   ---   */

	public void startApp()
	{
		DoubleBufferedCanvas canvas;
	
		canvas=new DoubleBufferedCanvas();
		canvas.getBufferGraphics().drawImage(
		    Image.createImage("/java.gif"),
		    canvas.getWidth()/2,canvas.getHeight()/2,
		    Graphics.HCENTER | Graphics.VCENTER);
		
		canvas.addCommand(exit);
		canvas.setListener(this);
		
		display.setCurrent(canvas);
	}

	public void pauseApp()
	{
	}

	public void destroyApp(boolean unconditional)
	{
	}

	/*   ---   イベント   ---   */

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