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.midlet.MIDlet;
public class CanvasSizeMIDlet extends MIDlet implements CommandListener {
private Command exitCommand;
Display display;
public void startApp() {
display = Display.getDisplay(this);
exitCommand = new Command("Exit", Command.EXIT, 1);
Displayable SizeCanvas = new SizeCanvas();
SizeCanvas.addCommand(exitCommand);
SizeCanvas.setCommandListener(this);
display.setCurrent(SizeCanvas);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c == exitCommand) {
destroyApp(false);
notifyDestroyed();
}
}
}
class SizeCanvas extends Canvas {
int width = 0;
int height = 0;
public void paint(Graphics g) {
width = getWidth();
height = getHeight();
g.setGrayScale(255);
g.fillRect(0, 0, width - 1, height - 1);
g.setGrayScale(0);
g.drawString("Stroke Style:" + g.getStrokeStyle(), 0, 60, Graphics.TOP | Graphics.LEFT);
g.drawRect(0, 0, width - 1, height - 1);
g.setStrokeStyle(Graphics.DOTTED);
g.drawLine(00, 40, 60, 60);
g.drawString(Integer.toBinaryString(width), 0, 0, Graphics.TOP | Graphics.LEFT);
g.drawString(Integer.toBinaryString(height), 10, 20, Graphics.TOP | Graphics.LEFT);
}
}