edu.kzoo.grid.display

Class RotatedDecorator

java.lang.Object

edu.kzoo.grid.display.RotatedDecorator

All Implemented Interfaces:

DisplayDecorator

public class RotatedDecorator
extends java.lang.Object
implements DisplayDecorator

Grid Display Package:
A RotatedDecorator will allow a display to change as the object it is associated with changes direction. The GridObject must have a direction method that returns a Direction object in order for the decorator to work.

Constructor Summary

Constructors

Constructor and Description
RotatedDecorator(Direction d) Construct a new RotatedDecorator that can be added to a ScaledDisplay.

Method Summary

Modifier and Type	Method and Description
static void	adjustForDirection(GridObject obj, java.awt.Graphics2D g2) Adjusts the graphics system for drawing an object with direction.
void	decorate(GridObjectDisplay sd, GridObject obj, java.awt.Component comp, java.awt.Graphics2D g2) Apply the rotating aspect of the decoration.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RotatedDecorator

public RotatedDecorator(Direction d)

Construct a new RotatedDecorator that can be added to a ScaledDisplay.

Parameters:

d - The origrinal direction the object is facing

Method Detail

decorate

public void decorate(GridObjectDisplay sd,
                     GridObject obj,
                     java.awt.Component comp,
                     java.awt.Graphics2D g2)

Apply the rotating aspect of the decoration. It is called from the class that has added the decorator.

Specified by:

decorate in interface DisplayDecorator

adjustForDirection

public static void adjustForDirection(GridObject obj,
                                      java.awt.Graphics2D g2)

Adjusts the graphics system for drawing an object with direction. (Precondition: obj has a direction method.)

Parameters:

obj - object we want to draw

g2 - drawing surface