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  Java fullscreen help  (Read 713 times)
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Offline epsilon

Innocent Bystander





« Posted 2007-02-27 21:20:08 »

Hello longtime reader, first time poster,

I am trying to make a really simple java app that goes to fullscreen and puts a text message on the screen. I am not sure what exactly I am doing wrong with my code but if someone could explain it to me I would appreciate it greately.
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import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;

import javax.swing.JFrame;


public class ScreenManager {
   GraphicsEnvironment environment;
   GraphicsDevice device;
   DisplayMode displayMode;
   
   public ScreenManager(int x,int y,int d,int r){
      environment = GraphicsEnvironment.getLocalGraphicsEnvironment();
      device = environment.getDefaultScreenDevice();
      displayMode = new DisplayMode(x,y,d,r);
   }
   
   public void setFullScreen(JFrame w){
      device.setFullScreenWindow(w);
      try {
         device.setDisplayMode(displayMode);
      }
      catch(IllegalArgumentException ex){
         System.out.println("unsupported display Mode");
      }
   }
   
   public void supported(){
      if (device.isFullScreenSupported()) {
         System.out.println("Fullscreen supported");
       } else {
          System.out.println("Fullscreen not supported");
       }

   }
}


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import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;

import javax.swing.JFrame;


public class FullScreenTester extends JFrame{
   
   public void fullscreen(JFrame j){
      j.setBackground(Color.blue);
      j.setForeground(Color.white);
      j.setFont(new Font("Dialog", Font.PLAIN,24));
      j.setVisible(true);
      ScreenManager sm = new ScreenManager(640,480,16,70);
      sm.setFullScreen(j);
   }
   
   public void paint(Graphics g){
      g.drawString("Hello Fullscreen!",20,50);
   }
   public static void main(String[] args){
      JFrame jframe = new JFrame("fullscreen");
     
      FullScreenTester fs = new FullScreenTester();
      fs.fullscreen(jframe);
   }
}
Offline CaptainJester

JGO Knight


Medals: 12
Projects: 2
Exp: 14 years


Make it work; make it better.


« Reply #1 - Posted 2007-02-28 03:09:25 »

The frame you are passing into your ScreenManager is not the frame that is printing hello.

For some reason you have create 2 JFrame classes.  You only need one.

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