VizContainerPanel.java

package org.ggp.base.apps.server.visualization;

import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import javax.imageio.ImageIO;
import javax.swing.JPanel;

import org.ggp.base.util.ui.GameStateRenderer;


@SuppressWarnings("serial")
public class VizContainerPanel extends JPanel {
    public VizContainerPanel(String XML, String XSL, VisualizationPanel parent)
    {
        Dimension d = GameStateRenderer.getDefaultSize();
        setPreferredSize(d);

        BufferedImage backimage = parent.getGraphicsConfiguration().createCompatibleImage(d.width, d.height);
        GameStateRenderer.renderImagefromGameXML(XML, XSL, backimage);
        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ImageIO.write(backimage, "png", bos);
            compressed = bos.toByteArray();
            imageWritten = true;
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    private byte[] compressed = null;
    private boolean imageWritten = false;

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        if (imageWritten) {
            try {
                BufferedImage img2;
                img2 = ImageIO.read(new ByteArrayInputStream(compressed));
                g.drawImage(img2, 0, 0, null);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }
}