samer@0: package samer.tools;
samer@0: 
samer@0: import samer.core.util.*;
samer@0: import java.awt.*;
samer@0: 
samer@0: public interface Renderer {
samer@0: 	public void draw( Graphics g, int x1, int x2, int j1, int j2, int j0);
samer@0: 
samer@0: 	class Line implements Renderer {
samer@0: 		public void draw( Graphics g, int x1, int x2, int j1, int j2, int j0) {
samer@0: 			g.drawLine(x1,j1,x2,j2);
samer@0: 		}
samer@0: 	}
samer@0: 
samer@0: 	class Fill implements Renderer {
samer@0: 		public void draw( Graphics g, int x1, int x2, int j1, int j2, int j0) {
samer@0: 			if (j2>j0) g.fillRect(x1,j0,x2-x1,j2-j0);
samer@0: 			else g.fillRect(x1,j2,x2-x1,j0-j2);
samer@0: 		}
samer@0: 	}
samer@0: 
samer@0: 	class Fill3D implements Renderer {
samer@0: 		public void draw( Graphics g, int x1, int x2, int j1, int j2, int j0) {
samer@0: 			// need to make sure rectangle is the right way up
samer@0: 			if (j2>j0) g.fill3DRect(x1,j0,x2-x1,j2-j0,true);
samer@0: 			else g.fill3DRect(x1,j2,x2-x1,j0-j2,true);
samer@0: 		}
samer@0: 	}
samer@0: 
samer@0: 	class Steps implements Renderer {
samer@0: 		public void draw( Graphics g, int x1, int x2, int j1, int j2, int j0) {
samer@0: 			g.drawLine(x1,j1,x1,j2);
samer@0: 			g.drawLine(x1,j2,x2,j2);
samer@0: 		}
samer@0: 	}
samer@0: 	public final static Renderer LINE=new Line();
samer@0: 	public final static Renderer FILL=new Fill();
samer@0: 	public final static Renderer FILL3D=new Fill3D();
samer@0: 	public final static Renderer STEPS=new Steps();
samer@0: }