com.kitfox.svg.animation
Class TrackBase

java.lang.Object
  com.kitfox.svg.animation.TrackBase

Direct Known Subclasses:

TrackColor, TrackDouble, TrackMotion, TrackPath, TrackTransform

public abstract class TrackBase
extends Object

A track holds the animation events for a single parameter of a single SVG element. It also contains the default value for the element, should the user want to see the 'unanimated' value.

Author:

Mark McKay, Mark McKay

Field Summary

protected String	attribName
protected int	attribType
protected SVGElement	parent Element we're animating

Constructor Summary

TrackBase(SVGElement parent, AnimationElement ele)
Creates a track that would be valid for the name and type of element passed in.

TrackBase(SVGElement parent, String attribName, int attribType)

Method Summary

void	addElement(AnimationElement ele)
String	getAttribName()
int	getAttribType()
abstract boolean	getValue(StyleAttribute attrib, double curTime) Returns a StyleAttribute representing the value of this track at the passed time.

Methods inherited from class java.lang.Object

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

Field Detail

attribName

protected final String attribName

attribType

protected final int attribType

parent

protected final SVGElement parent

Element we're animating

Constructor Detail

TrackBase

public TrackBase(SVGElement parent,
                 AnimationElement ele)
          throws SVGElementException

Creates a track that would be valid for the name and type of element passed in. Does not actually add this elemnt to the track.

Throws:

SVGElementException

TrackBase

public TrackBase(SVGElement parent,
                 String attribName,
                 int attribType)
          throws SVGElementException

Throws:

SVGElementException

Method Detail

getAttribName

public String getAttribName()

getAttribType

public int getAttribType()

addElement

public void addElement(AnimationElement ele)

getValue

public abstract boolean getValue(StyleAttribute attrib,
                                 double curTime)
                          throws SVGException

Returns a StyleAttribute representing the value of this track at the passed time. If this track does not apply, returns null.

Returns:

- True if successful, false if a value could not be obtained

Throws:

SVGException