/* SCCS  %W%---%G%--%U% */

// Copyright: Copyright (c) 1997 University of Southern California Brain Project.
// Copyright: This software may be freely copied provided the toplevel
// Copyright: COPYRIGHT file is included with each such copy.
// Copyright: Email nsl@java.usc.edu.

package nslj.src.display;

import java.awt.*;
import java.util.*;
import nslj.src.lang.*;
import nslj.src.system.*;
import nslj.src.nsls.struct.Executive;
import java.awt.event.*;
import java.lang.*;
import java.lang.reflect.*;

public class NslOutCanvas extends NslCanvas {
    
   
    protected NslSystem system;
    protected NslModule parentModule;
    
    Image buffer;
    Graphics bufferg;
        
    public NslOutCanvas( String full_name, NslHierarchy parent) {
	super(null,full_name, null);

	System.err.println("1");

	system = Executive.system;
	parentModule = (NslModule)parent;
	Rectangle b = getBounds();
	System.err.println("1 Width: "+b.width+", Height: "+b.height);
	buffer = createImage(b.width, b.height);
	bufferg = buffer.getGraphics();
	
	nslCreateCanvas();	
    }
    
    public NslOutCanvas( String full_name, NslHierarchy parent,NslFrame f,
			    NslVariableInfo varInfo) {
	super(f,full_name, varInfo);

	System.err.println("2");

	system = Executive.system;
	parentModule = (NslModule)parent;
		
	nslCreateCanvas();	
    }
    
    public NslOutCanvas(String full_name, 
			    NslVariableInfo varInfo) {
	super(null,full_name, varInfo);
	system = Executive.system;
	
	Rectangle b = getBounds();
	System.err.println("Width: "+b.width+", Height: "+b.height);
	buffer = createImage(b.width, b.height);
	bufferg = buffer.getGraphics();
	
	nslCreateCanvas();
    }
    
    public void makeInst(String full_name, NslHierarchy parent) {
    }

    public NslHierarchy getParentModule() {
    	return parentModule;
    }
    
    public void nslSetColor(NslColor color) {
    	//try {
    	    bufferg.setColor(color);
    	//}    
    }
   			    
    public void nslSetColor(String color) {
    	//try {
    	    bufferg.setColor(NslColor.getColor(color));
    	//}   
    }
    
    public void nslDrawLine(int x, int y, int w, int h, String color) {
    	//try {
    	    bufferg.setColor(NslColor.getColor(color));
    	    bufferg.drawLine(x,y,w,h);
    	//}    
    }
    
    public void nslDrawLine(int x, int y, int w, int h) {
    	//try {
    	    bufferg.drawLine(x,y,w,h);
    	//}   
    }
      
    public void nslFillRect(int x, int y, int w, int h, NslColor color) {
    	//try {
    	    bufferg.setColor(color);
    	    bufferg.fillRect(x,y,w,h);
    	//}    
    }    
    public void nslFillRect(int x, int y, int w, int h, String color) {
    	//try {
    	    bufferg.setColor(NslColor.getColor(color));
    	    bufferg.fillRect(x,y,w,h);
    	//}    
    }
    
    public void nslFillRect(int x, int y, int w, int h) {
    	//try {
    	    bufferg.fillRect(x,y,w,h);
    	//} 
    }

    public void nslDrawString(String s, int x, int y, String color) {
    	//try {
    	    bufferg.setColor(NslColor.getColor(color));
    	    bufferg.drawString(s,x,y);
    	//}        
    }
    
    public void nslDrawString(String s, int x, int y) {
    	//try {
    	    bufferg.drawString(s,x,y);
    	//}        
    }
    
    public int nslGetWidth() {
    	Rectangle border = getBounds();
    	return border.width;
    }

    public int nslGetHeight() {
    	Rectangle border = getBounds();
    	return border.height;
    }
    
    public void paint(Graphics g) {
    	nslRefresh();
    }
    
    public void nslUpdateDisplay() {
        Graphics g = getGraphics();
        try {
            g.drawImage(buffer, 0, 0, this);
            paint(g); 
            System.err.println("Updating!");
    	} finally {
    	    g.dispose();
    	}        
    }
        
    public void nslClearDisplay() {
	Graphics g = getGraphics();
       	Rectangle b = getBounds();
       	try { 
            g.clearRect(0, 0, b.width, b.height); 
            paint(g);
     	} finally {
    	    g.dispose();
    	}        
              
    }
    
    public Image nslCreateImageBuffer(int width, int height) {
        return createImage(width, height); 
    }
    
    public void nslDrawImageBuffer(Image image, int left, int top) {
	Graphics g = getGraphics();
        try { 
            g.drawImage(image, left, top, this); 
     	} finally {
    	    g.dispose();
    	}           	
    }  

    public void nslDrawImageBuffer(Image image, Graphics graph, int left, int top) {
        graph.drawImage(image, left, top, this); 
    }      

    public void collect() {
    	if (NslSystem.init_run_char=='A')
    	    nslCollect();
    }
    
    public void initCanvas() {
 	Rectangle b = getBounds();
	System.err.println("2 Width: "+b.width+","+b.height);
	try {
	    buffer = createImage(b.width, b.height);
	} catch (Exception e) {
	   e.printStackTrace();
	}
	System.err.println("2.1 Width: ");
	try {
	    bufferg = buffer.getGraphics();
	} catch (Exception e) {
	   e.printStackTrace();
	}
	System.err.println("2.2 Width: ");
   	nslInitCanvas();
    }

    public void nslCollect() {
    }
    
    public void nslRefresh() {
    }
    
    public void nslCreateCanvas() {
    }
    
    public void nslInitCanvas() {
    }
    
    public void processEvent(AWTEvent event) {
    	/*System.out.println("Event: "+event.toString());
    	System.out.println("Param: "+event.paramString());	
    	System.out.println("Source: "+event.getSource());*/
    }
}