jcckit.graphic

Class Polygon

java.lang.Object

jcckit.graphic.BasicGraphicalElement

jcckit.graphic.Polygon

All Implemented Interfaces:

GraphicalElement

public class Polygon
extends BasicGraphicalElement

A polygon or polyline.

Author:

Franz-Josef Elmer

Constructor Summary

Constructors

Constructor and Description
Polygon(GraphicAttributes attributes, boolean closed) Creates an instance of the specified graphic attributes.

Method Summary

Modifier and Type	Method and Description
void	addPoint(GraphPoint point) Adds a new point to the end of the list of points.
int	getNumberOfPoints() Returns the number points.
GraphPoint	getPoint(int index) Returns the point for the specified index.
boolean	isClosed() Returns true if this polygon is closed.
void	removeAllPoints() Removes all points.
void	renderWith(Renderer renderer) Renders this line with the specified Renderer.
void	replacePointAt(int index, GraphPoint point) Replaces the point at the specified index by a new one.

Methods inherited from class jcckit.graphic.BasicGraphicalElement

getGraphicAttributes

Methods inherited from class java.lang.Object

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

Constructor Detail

Polygon

public Polygon(GraphicAttributes attributes,
               boolean closed)

Creates an instance of the specified graphic attributes.

Parameters:

closed - true if this polygon is closed.

Method Detail

isClosed

public boolean isClosed()

Returns true if this polygon is closed.

Overrides:

isClosed in class BasicGraphicalElement

Returns:

true if the shape is closed.

getNumberOfPoints

public int getNumberOfPoints()

Returns the number points.

getPoint

public GraphPoint getPoint(int index)

Returns the point for the specified index.

addPoint

public void addPoint(GraphPoint point)

Adds a new point to the end of the list of points.

removeAllPoints

public void removeAllPoints()

Removes all points.

replacePointAt

public void replacePointAt(int index,
                           GraphPoint point)

Replaces the point at the specified index by a new one.

renderWith

public void renderWith(Renderer renderer)

Renders this line with the specified Renderer.

Parameters:

renderer - An instance of PolygonRenderer.

Throws:

IllegalArgumentException - if renderer is not an instance of PolygonRenderer.