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Class prisoner.shapes.ShapeDrawer 

java.lang.Object
   |
   +----prisoner.shapes.ShapeDrawer
public abstract class ShapeDrawer
extends java.lang.Object
This superclass and its subclasses are closely linked to the interfaces GameBoard and Pawn. A GameBoard is an abstract concept of an array holding Pawns in a certain structural relationship. A class implementing a GameBoard will also have a physical representation. This has an implication on the shape of the Pawns. The implementation of the GameBoard will tell the Pawns what shape it expects them to take. In response the Pawns (or rather the implementations of the Pawn interface) will choose one of the subclasses of ShapeDrawer.

The usefulness of the abstract superclass ShapeDrawer is two-fold:

  1. it ensure that all subclasses follow the same structure for the call to drawShape() (this means that ideally this method should not be overloaded;
  2. polymorphism: whatever shape the Pawn requires, the object can be cast as a ShapeDrawer, so there's no need to keep track of the exact shape once the object has been insantiated.

Version:
1.00, 22 August 2001
Author:
Françcois Suter
See Also:
com.monpetitcoin.java.GameBoard, com.monpetitcoin.java.Pawn

Constructor Index

o ShapeDrawer()

Method Index

o drawShape(Graphics, Rectangle, Color)

Constructors

o ShapeDrawer 
 public ShapeDrawer()

Methods

o drawShape 
 public void drawShape(java.awt.Graphics g,
                       java.awt.Rectangle bounds,
                       java.awt.Color foregroundColor)
Parameters:
g - the graphics context
bounds - information about the size and position of the shape. It needs not be interpreted strictly as a bounding rectangle.
foregroundColor - the foreground color for filling the shape. 
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