Mega Code Archive
A simple frame that allows quick and easy visualisation of something
<![CDATA[
//package com.ryanm.util.swing;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import javax.swing.JComponent;
import javax.swing.JFrame;
/**
* A simple frame that allows quick and easy visualisation of
* something
*
* @author ryanm
*/
public class DebugFrame extends JFrame
{
private DebugPanel panel;
/**
* Creates a new Debug frame
*
* @param name
* The name for the frame
* @param x
* The width
* @param y
* The height
*/
public DebugFrame( String name, int x, int y )
{
setTitle( "Debug Frame : " + name );
panel = new DebugPanel( x, y );
getContentPane().add( panel );
clear();
pack();
setVisible( true );
}
/**
* Creates a new Debug frame
*
* @param x
* The width
* @param y
* The height
*/
public DebugFrame( int x, int y )
{
setTitle( "Debug Frame" );
panel = new DebugPanel( x, y );
getContentPane().add( panel );
clear();
pack();
setVisible( true );
}
/**
* Gets the graphics for the backing image. Stuff drawn on this
* context can only be cleared with a call to clear()
*
* @return A {@link Graphics2D} object
*/
public Graphics2D getDebugGraphics()
{
Graphics2D g = panel.buff.createGraphics();
return g;
}
/**
* Gets the graphics for the frame itself. Stuff drawn to this
* context will be cleared when refresh() is called
*
* @return A {@link Graphics2D} object
*/
public Graphics2D getTempDebugGraphics()
{
Graphics2D g = ( Graphics2D ) panel.getGraphics();
return g;
}
/**
* Refreshes the frame by drawing the contents of the back buffer
*/
public void refresh()
{
panel.paint( panel.getGraphics() );
}
/**
* Clears the back buffer
*/
public void clear()
{
Graphics g = panel.buff.getGraphics();
g.setColor( Color.white );
g.fillRect( 0, 0, panel.getWidth(), panel.getHeight() );
}
private class DebugPanel extends JComponent
{
private int x, y;
private BufferedImage buff;
private DebugPanel( int x, int y )
{
this.x = x;
this.y = y;
buff = new BufferedImage( x, y, BufferedImage.TYPE_INT_ARGB );
}
@Override
public void paint( Graphics g )
{
g.drawImage( buff, 0, 0, this );
}
@Override
public int getWidth()
{
return x;
}
@Override
public int getHeight()
{
return y;
}
@Override
public Dimension getPreferredSize()
{
return new Dimension( x, y );
}
}
}
]]>