prefuse.action.animate
Class ColorAnimator

java.lang.Object
  prefuse.activity.Activity
      prefuse.action.Action
          prefuse.action.GroupAction
              prefuse.action.ItemAction
                  prefuse.action.animate.ColorAnimator

public class ColorAnimator
extends ItemAction

Animator that linearly interpolates between starting and ending colors for VisualItems during an animation. By default, interpolates the three primary color fields: stroke color, fill color, and text color.

Author:

jeffrey heer

Field Summary

Fields inherited from class prefuse.action.ItemAction

m_predicate

Fields inherited from class prefuse.action.GroupAction

m_group

Fields inherited from class prefuse.action.Action

m_vis

Fields inherited from class prefuse.activity.Activity

DEFAULT_STEP_TIME, INFINITY

Constructor Summary

ColorAnimator()
Create a new ColorAnimator that processes all data groups.

ColorAnimator(java.lang.String group)
Create a new ColorAnimator that processes the specified group.

ColorAnimator(java.lang.String group, java.lang.String field)
Create a new ColorAnimator that processes the specified group and color field.

ColorAnimator(java.lang.String group, java.lang.String[] fields)
Create a new ColorAnimator that processes the specified group and color fields.

Method Summary

void	process(VisualItem item, double frac) Processes an individual item.
void	setColorFields(java.lang.String[] fields) Sets the color fields to interpolate.

Methods inherited from class prefuse.action.ItemAction

getFilterPredicate, run, setFilterPredicate

Methods inherited from class prefuse.action.GroupAction

getGroup, setGroup

Methods inherited from class prefuse.action.Action

getVisualization, run, setVisualization

Methods inherited from class prefuse.activity.Activity

addActivityListener, alwaysRunAfter, cancel, fireActivityCancelled, fireActivityFinished, fireActivityScheduled, fireActivityStarted, fireActivityStepped, getDuration, getNextTime, getPace, getPacingFunction, getStartTime, getStepTime, getStopTime, isEnabled, isRunning, isScheduled, removeActivityListener, run, runAfter, runAt, setDuration, setEnabled, setPacingFunction, setStartTime, setStepTime

Methods inherited from class java.lang.Object

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

Constructor Detail

ColorAnimator

public ColorAnimator()

Create a new ColorAnimator that processes all data groups.

ColorAnimator

public ColorAnimator(java.lang.String group)

Create a new ColorAnimator that processes the specified group.

Parameters:

group - the data group to process

ColorAnimator

public ColorAnimator(java.lang.String group,
                     java.lang.String field)

Create a new ColorAnimator that processes the specified group and color field.

Parameters:

group - the data group to process

field - the color field to interpolate

ColorAnimator

public ColorAnimator(java.lang.String group,
                     java.lang.String[] fields)

Create a new ColorAnimator that processes the specified group and color fields.

Parameters:

group - the data group to process

fields - the color fields to interpolate

Method Detail

setColorFields

public void setColorFields(java.lang.String[] fields)

Sets the color fields to interpolate.

Parameters:

fields - the color fields to interpolate

process

public void process(VisualItem item,
                    double frac)

Description copied from class: ItemAction

Processes an individual item.

Specified by:

process in class ItemAction

Parameters:

item - the VisualItem to process

frac - the fraction of elapsed duration time

See Also:

ItemAction.process(prefuse.visual.VisualItem, double)