Label.java

import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)

/**
 * A Label class that allows you to display a textual value on screen.
 *
 * <p>The Label is an actor, so you will need to create it, and then add it to the world in
 * Greenfoot. If you keep a reference to the Label then you can change the text it displays.
 *
 * @author Amjad Altadmri
 * @version 1.1
 */
public class Label extends Actor {
  private String value;
  private int fontSize;
  private Color lineColor = Color.BLACK;
  private Color fillColor = Color.WHITE;

  private static final Color transparent = new Color(0, 0, 0, 0);

  /** Create a new label, initialise it with the int value to be shown and the font size */
  public Label(int value, int fontSize) {
    this(Integer.toString(value), fontSize);
  }

  /** Create a new label, initialise it with the needed text and the font size */
  public Label(String value, int fontSize) {
    this.value = value;
    this.fontSize = fontSize;
    updateImage();
  }

  /**
   * Sets the value as text
   *
   * @param value the text to be show
   */
  public void setValue(String value) {
    this.value = value;
    updateImage();
  }

  /**
   * Sets the value as integer
   *
   * @param value the value to be show
   */
  public void setValue(int value) {
    this.value = Integer.toString(value);
    updateImage();
  }

  /**
   * Sets the line color of the text
   *
   * @param lineColor the line color of the text
   */
  public void setLineColor(Color lineColor) {
    this.lineColor = lineColor;
    updateImage();
  }

  /**
   * Sets the fill color of the text
   *
   * @param fillColor the fill color of the text
   */
  public void setFillColor(Color fillColor) {
    this.fillColor = fillColor;
    updateImage();
  }

  /** Update the image on screen to show the current value. */
  private void updateImage() {
    setImage(new GreenfootImage(value, fontSize, fillColor, transparent, lineColor));
  }
}