com.levigo.jadice.document.util
Class ControlCurve

java.lang.Object
  com.levigo.jadice.document.util.ControlCurve

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

NaturalCubicSpline1D

public abstract class ControlCurve
extends Object
implements Serializable

This class represents a curve defined by a sequence of control points. The actual implementation of the curve is up to implementing subclasses.

See Also:

Serialized Form

Field Summary

protected boolean	curveChanged
protected Polygon	points The control points

Constructor Summary

ControlCurve()

Method Summary

int	addControlPoint(Point p) Add a control point to the end of the list.
Point	getControlPoint(int n) Get a specified control point.
Polygon	getControlPoints() Returns the points.
abstract Polygon	getCurve()
int	getPointCount() Get the number of control points.
int	insertControlPoint(int n, Point p) Insert a control point at a given location
void	removeControlPoint(int n) Remove the specified control point
void	setControlPoint(int n, Point p) Set the specified control point

Methods inherited from class java.lang.Object

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

Field Detail

points

protected Polygon points

The control points

curveChanged

protected boolean curveChanged

Constructor Detail

ControlCurve

public ControlCurve()

Method Detail

addControlPoint

public int addControlPoint(Point p)

Add a control point to the end of the list.

insertControlPoint

public int insertControlPoint(int n,
                              Point p)

Insert a control point at a given location

setControlPoint

public void setControlPoint(int n,
                            Point p)

Set the specified control point

removeControlPoint

public void removeControlPoint(int n)

Remove the specified control point

getControlPoint

public Point getControlPoint(int n)

Get a specified control point.

getPointCount

public int getPointCount()

Get the number of control points.

getCurve

public abstract Polygon getCurve()

getControlPoints

public Polygon getControlPoints()

Returns the points.

Returns:

Polygon