//////////////////////////////////////////////////////////////
// From JAVA PROGRAMMING: FROM THE BEGINNING, by K. N. King //
// Copyright (c) 2000 W. W. Norton & Company, Inc.          //
// All rights reserved.                                     //
// This program may be freely distributed for class use,    //
// provided that this copyright notice is retained.         //
//                                                          //
// Shape.java (Chapter 11, page 462)                        //
//////////////////////////////////////////////////////////////

// Represents a geometric shape that can be displayed in a
// graphics context

import java.awt.*;

public abstract class Shape {
  // Instance variables
  private int x;
  private int y;
  private Color color;

  // Constructor
  protected Shape(int x, int y, Color color) {
    this.x = x;
    this.y = y;
    this.color = color;
  }

  // Abstract methods
  public abstract void draw(Graphics g);
  public abstract int getHeight();
  public abstract int getWidth();

  // Other instance methods
  public Color getColor() {
    return color;
  }

  public int getX() {
    return x;
  }

  public int getY() {
    return y;
  }

  public void move(int dx, int dy) {
    x += dx;
    y += dy;
  }

  public void setColor(Color color) {
    this.color = color;
  }
}