artofillusion.animation.distortion
Class ScaleTrack

java.lang.Object
  extended by artofillusion.animation.Track
      extended by artofillusion.animation.distortion.ScaleTrack

public class ScaleTrack
extends Track

This is a Track which applies a ScaleDistortion to an object.


Constructor Summary
ScaleTrack(ObjectInfo info)
           
 
Method Summary
 void apply(double time)
          This method should modify whatever aspects of the scene are governed by this track, so that they correspond to their values at the specified time.
 boolean canAcceptAsParent(java.lang.Object obj)
          Determine whether this track can be added as a child of an object.
 void copy(Track tr)
          Make this track identical to another one.
 void deleteDependencies(ObjectInfo obj)
          Delete all references to the specified object from this track.
 void deleteKeyframe(int which)
          Delete the specified keyframe.
 Track duplicate(java.lang.Object obj)
          Create a duplicate of this track (possibly for another object and/or parent track).
 void edit(LayoutWindow win)
          This method should present a window in which the user can edit the track.
 void editKeyframe(LayoutWindow win, int which)
          This method should present a window in which the user can edit the specified keyframe.
 double[] getDefaultGraphValues()
          Get the default list of graphable values (for a track which has no keyframes).
 ObjectInfo[] getDependencies()
          Get an array of any objects which this track depends on (and which therefore must be updated before this track is applied).
 double[] getKeyTimes()
          Get a list of all keyframe times for this track.
 java.lang.Object getParent()
          Get the parent object of this track.
 int getSmoothingMethod()
          Get the smoothing method for this track.
 Track[] getSubtracks()
          Get any child tracks of this track.
 Timecourse getTimecourse()
          Get the timecourse describing this track, or null if it is not described by a timecourse.
 java.lang.String[] getValueNames()
          Get the names of all graphable values for this track.
 double[][] getValueRange()
          Get the allowed range for graphable values.
 void initFromStream(java.io.DataInputStream in, Scene scene)
          Initialize this tracked based on its serialized representation as written by writeToStream().
 boolean isNullTrack()
          A null track is one which has no affect on the scene.
 int moveKeyframe(int which, double time)
          Move a keyframe to a new time, and return its new position in the list.
 void setKeyframe(double time, Keyframe k, Smoothness s)
          Set a keyframe at the specified time.
 Keyframe setKeyframe(double time, Scene sc)
          Set a keyframe at the specified time, based on the current state of the Scene.
 void setParent(java.lang.Object obj)
          Set the parent object of this track.
 void setSmoothingMethod(int method)
           
 void writeToStream(java.io.DataOutputStream out, Scene scene)
          Write a serialized representation of this track to a stream.
 
Methods inherited from class artofillusion.animation.Track
getGraphValues, getName, isEnabled, isQuantized, setEnabled, setKeyframeIfModified, setName, setQuantized, updateObjectReferences
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ScaleTrack

public ScaleTrack(ObjectInfo info)
Method Detail

apply

public void apply(double time)
Description copied from class: Track
This method should modify whatever aspects of the scene are governed by this track, so that they correspond to their values at the specified time.

Specified by:
apply in class Track

duplicate

public Track duplicate(java.lang.Object obj)
Description copied from class: Track
Create a duplicate of this track (possibly for another object and/or parent track).

Specified by:
duplicate in class Track

copy

public void copy(Track tr)
Description copied from class: Track
Make this track identical to another one.

Specified by:
copy in class Track

getKeyTimes

public double[] getKeyTimes()
Description copied from class: Track
Get a list of all keyframe times for this track.

Specified by:
getKeyTimes in class Track

getTimecourse

public Timecourse getTimecourse()
Description copied from class: Track
Get the timecourse describing this track, or null if it is not described by a timecourse.

Overrides:
getTimecourse in class Track

setKeyframe

public void setKeyframe(double time,
                        Keyframe k,
                        Smoothness s)
Description copied from class: Track
Set a keyframe at the specified time.

Overrides:
setKeyframe in class Track

setKeyframe

public Keyframe setKeyframe(double time,
                            Scene sc)
Description copied from class: Track
Set a keyframe at the specified time, based on the current state of the Scene.

Overrides:
setKeyframe in class Track

moveKeyframe

public int moveKeyframe(int which,
                        double time)
Description copied from class: Track
Move a keyframe to a new time, and return its new position in the list.

Specified by:
moveKeyframe in class Track

deleteKeyframe

public void deleteKeyframe(int which)
Description copied from class: Track
Delete the specified keyframe.

Specified by:
deleteKeyframe in class Track

isNullTrack

public boolean isNullTrack()
Description copied from class: Track
A null track is one which has no affect on the scene. This usually means that no keyframes have been added to it.

Specified by:
isNullTrack in class Track

getSubtracks

public Track[] getSubtracks()
Description copied from class: Track
Get any child tracks of this track.

Overrides:
getSubtracks in class Track

canAcceptAsParent

public boolean canAcceptAsParent(java.lang.Object obj)
Description copied from class: Track
Determine whether this track can be added as a child of an object.

Overrides:
canAcceptAsParent in class Track

getParent

public java.lang.Object getParent()
Description copied from class: Track
Get the parent object of this track.

Overrides:
getParent in class Track

setParent

public void setParent(java.lang.Object obj)
Description copied from class: Track
Set the parent object of this track.

Overrides:
setParent in class Track

getSmoothingMethod

public int getSmoothingMethod()
Description copied from class: Track
Get the smoothing method for this track.

Overrides:
getSmoothingMethod in class Track

setSmoothingMethod

public void setSmoothingMethod(int method)

getValueNames

public java.lang.String[] getValueNames()
Description copied from class: Track
Get the names of all graphable values for this track.

Overrides:
getValueNames in class Track

getDefaultGraphValues

public double[] getDefaultGraphValues()
Description copied from class: Track
Get the default list of graphable values (for a track which has no keyframes).

Overrides:
getDefaultGraphValues in class Track

getValueRange

public double[][] getValueRange()
Description copied from class: Track
Get the allowed range for graphable values. This returns a 2D array, where elements [n][0] and [n][1] are the minimum and maximum allowed values, respectively, for the nth graphable value.

Overrides:
getValueRange in class Track

getDependencies

public ObjectInfo[] getDependencies()
Description copied from class: Track
Get an array of any objects which this track depends on (and which therefore must be updated before this track is applied).

Overrides:
getDependencies in class Track

deleteDependencies

public void deleteDependencies(ObjectInfo obj)
Description copied from class: Track
Delete all references to the specified object from this track. This is used when an object is deleted from the scene.

Overrides:
deleteDependencies in class Track

writeToStream

public void writeToStream(java.io.DataOutputStream out,
                          Scene scene)
                   throws java.io.IOException
Description copied from class: Track
Write a serialized representation of this track to a stream.

Specified by:
writeToStream in class Track
Throws:
java.io.IOException

initFromStream

public void initFromStream(java.io.DataInputStream in,
                           Scene scene)
                    throws java.io.IOException,
                           java.io.InvalidObjectException
Initialize this tracked based on its serialized representation as written by writeToStream().

Specified by:
initFromStream in class Track
Throws:
java.io.IOException
java.io.InvalidObjectException

editKeyframe

public void editKeyframe(LayoutWindow win,
                         int which)
Description copied from class: Track
This method should present a window in which the user can edit the specified keyframe.

Overrides:
editKeyframe in class Track

edit

public void edit(LayoutWindow win)
Description copied from class: Track
This method should present a window in which the user can edit the track.

Specified by:
edit in class Track


Copyright © 1999-2011 by Peter Eastman.