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Re: Basic 2d graphics in Java

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On 12/12/13 16:45, tomcees_pc@yahoo.com wrote:
> Hello:
>
> I'm working through re-learning java and would like to solicit some help.
>
> Can anyone share some simple java code to:
>
> 1.  Set up a small (say 320w x 240h) 2d window.
> 2.  Set(color) and Read (color) of pixels within this window.
>
> TIA for your help,
> TomC

Try this

With suitable acknowledgments to Stefan Ram of this parish.

import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;
import javax.swing.JFrame;

class Main extends JComponent implements Runnable {
    int X = 320;
    int Y = 200;

    private static final long serialVersionUID = 0L;
    BufferedImage window = new BufferedImage( X, Y, 
BufferedImage.TYPE_INT_RGB );

    public int readColor(int x, int y ){
	   return window.getRGB( x, y );
    }

    public void setColor( int x, int y, int color ){
	   window.setRGB( x, y, color );
    }

    public static void main(String args[] ){
	   EventQueue.invokeLater(new Main() );
    }

    @Override
    public void run(){
	   JFrame frame = new JFrame( "Main" );
	   setPreferredSize( new Dimension( X, Y ));
	   setColor( X/2, Y/2, 0xFFFFFF );
	   System.out.println(readColor( X/2, Y/2 ));
	   frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE );
	   frame.add(this);
	   frame.pack();
	   frame.setVisible( true );
    }

    @Override
    public void paintComponent(Graphics graphics ){
	  graphics.drawImage(window, 0, 0, null );
    }
}



-- 
Lipska the Kat©: Troll hunter, sandbox destroyer,
treacherous feline and farscape dreamer of Aeryn Sun
GNU/Linux user #560883 - http://www.linuxcounter.net


-- 
Lipska the Kat©: Troll hunter, sandbox destroyer,
treacherous feline and farscape dreamer of Aeryn Sun
GNU/Linux user #560883 - http://www.linuxcounter.net

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Thread

Basic 2d graphics in Java tomcees_pc@yahoo.com - 2013-12-12 08:45 -0800
  Re: Basic 2d graphics in Java markspace <markspace@nospam.nospam> - 2013-12-12 09:39 -0800
  Re: Basic 2d graphics in Java lipska the kat <"lipskathekat at yahoo dot co dot uk"> - 2013-12-12 19:07 +0000
    Re: Basic 2d graphics in Java Joerg Meier <joergmmeier@arcor.de> - 2013-12-12 20:43 +0100
      Re: Basic 2d graphics in Java lipska the kat <"lipskathekat at yahoo dot co dot uk"> - 2013-12-12 19:47 +0000
  Re: Basic 2d graphics in Java lipska the kat <"lipskathekat at yahoo dot co dot uk"> - 2013-12-12 20:14 +0000
    Re: Basic 2d graphics in Java tomcees_pc@yahoo.com - 2013-12-12 12:37 -0800
  Re: Basic 2d graphics in Java Jeff Higgins <jeff@invalid.invalid> - 2013-12-12 17:42 -0500

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