li.netcat.chart.util
Class ListPenBox

java.lang.Object
  li.netcat.chart.util.ListPenBox

All Implemented Interfaces:

PenBox

public class ListPenBox

extends java.lang.Object

implements PenBox

Implementation of a pen box that uses a list of pens as internal data structure

Author:

Arthur Marxer

Constructor Summary

ListPenBox()
Constructs a new and empty ListPenBox.

ListPenBox(Pen[] pens)
Constructs a new ListPenBox and inserts the given pens into the list of pens.

Method Summary

Pen	getPenAt(int index) Returns the pen for the given index.
void	setPens(Pen[] pens) Sets the pen collection to the given pens.

Methods inherited from class java.lang.Object

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

Constructor Detail

ListPenBox

public ListPenBox()

Constructs a new and empty ListPenBox.

ListPenBox

public ListPenBox(Pen[] pens)

Constructs a new ListPenBox and inserts the given pens into the list of pens.

Parameters:

pens - The initial pen collection, not null. Further modification of this parameter have no impact.

Method Detail

setPens

public void setPens(Pen[] pens)

Sets the pen collection to the given pens.

Parameters:

pens - The new pen collection, not null. Further modification of this parameter have no impact.

getPenAt

public Pen getPenAt(int index)

Returns the pen for the given index. The index is mapped using a % operation.

Specified by:

getPenAt in interface PenBox

Parameters:

index - The index of the pen, it must be >= 0.

Returns:

The pen for the given index, can also be null.