prefuse.action.animate
Class FontAnimator

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

public class FontAnimator
extends ItemAction

Animator that interpolates between starting and ending Fonts for VisualItems during an animation. Font sizes are interpolated linearly. If the animation fraction is under 0.5, the face and style of the starting font are used, otherwise the face and style of the second font are applied.

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

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

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

Method Summary

void	process(VisualItem item, double frac) Processes an individual item.

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

FontAnimator

public FontAnimator()

Create a new FontAnimator that processes all data groups.

FontAnimator

public FontAnimator(java.lang.String group)

Create a new FontAnimator that processes the specified group.

Parameters:

group - the data group to process.

Method Detail

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)