/*
 * Rectangle3D.java
 *
 * Copyright (C) 1996 Shaun Terry. All Rights Reserved.
 */

package spt.gui;

import java.awt.Component;
import java.awt.Graphics;
import java.awt.Color;

/**
 * Draw a 3D rectangle on a Graphics area. The 3D effect
 * can be either in, out, border only in or border only out.
 *
 * @author Shaun Terry
 */

public class Rectangle3D {

	public final static int IN = 0;
	public final static int OUT = 1;
	public final static int BORDER_IN = 2;
	public final static int BORDER_OUT = 3;

	int mode = IN;

	Component parent;

	int w, h, x, y;

	public Rectangle3D(Component c, int X, int Y, int width, int height) {
		x = X;
		y = Y;
		w = width;
		h = height;
		parent = c;
	}

	public void setDrawingMode(int m) {
		mode = m;
	}

	static public int borderWidthOfMode(int m) {
		return 2;	// They're all 2 right now
	}

    public synchronized void paint(Graphics g) {
		Color c = parent.getBackground();
		Color darker = c.darker();
		Color brighter = c.brighter();

		Color c1, c2, c3, c4;

		if (mode == IN) {
			c1 = darker;
			c2 = brighter;
			c3 = c;
			c4 = Color.black;
		}
		else if (mode == OUT) {
			c3 = darker;
			c2 = darker;
			c4 = c;
			c1 = brighter;
		}
		else if (mode == BORDER_OUT) {
			c4 = darker;
			c2 = darker;
			c1 = brighter;
			c3 = brighter;
		}
		else /* if (mode == BORDER_IN) */ {
			c1 = darker;
			c2 = brighter;
			c3 = c1;
			c4 = brighter;
		}

		// Upper left, outer
		g.setColor(c1);
		g.drawLine(x, y, x+w, y);
		g.drawLine(x, y, x, y+h);

		// Upper left, inner
		g.setColor(c4);
		g.drawLine(x+1, y+1, x+w-2, y+1);
		g.drawLine(x+1, y+1, x+1, y+h-2);

		// Lower right, outer
		g.setColor(c2);
		g.drawLine(x, y+h-1, x+w-1, y+h-1);
		g.drawLine(x+w-1, y, x+w-1, y+h-1);

		// Lower right, inner
		g.setColor(c3);
		g.drawLine(x+1, y+h-2, x+w-2, y+h-2);
		g.drawLine(x+w-2, y+1, x+w-2, y+h-2);
	}
}