visual.dynamic.sampled
Class AbstractFrameOp

java.lang.Object
  visual.dynamic.sampled.AbstractFrameOp

All Implemented Interfaces:

FrameOp

Direct Known Subclasses:

AbstractSuperimposition, AbstractTransition

public abstract class AbstractFrameOp
extends java.lang.Object
implements FrameOp

Field Summary

protected int	duration
protected int	first

Constructor Summary

AbstractFrameOp(int first, int duration)
Explicit Value Constructor

Method Summary

int	getFirstFrame() Get the index of the first frame of this FrameOp
int	getLastFrame() Get the index of the last frame of this FrameOp
protected boolean	hasFinishedAt(int frame) Has this FrameOp finished at the given frame?
abstract void	postRendering(java.awt.Graphics g, int frame) Apply the post-rendering portion of this FrameOp
abstract void	preRendering(java.awt.Graphics g, int frame) Apply the pre-rendering portion of this FrameOp
protected boolean	shouldApplyAt(int frame) Should this FrameOp be applied at the given frame

Methods inherited from class java.lang.Object

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

Field Detail

duration

protected int duration

first

protected int first

Constructor Detail

AbstractFrameOp

public AbstractFrameOp(int first,
                       int duration)

Explicit Value Constructor

Parameters:

first - The first frame

duration - The duration (in frames)

Method Detail

getFirstFrame

public int getFirstFrame()

Get the index of the first frame of this FrameOp

Specified by:

getFirstFrame in interface FrameOp

Returns:

The index of the first frame

getLastFrame

public int getLastFrame()

Get the index of the last frame of this FrameOp

Specified by:

getLastFrame in interface FrameOp

Returns:

The index of the last frame

hasFinishedAt

protected boolean hasFinishedAt(int frame)

Has this FrameOp finished at the given frame?

Returns:

true if finished; false otherwise

postRendering

public abstract void postRendering(java.awt.Graphics g,
                                   int frame)

Apply the post-rendering portion of this FrameOp

Specified by:

postRendering in interface FrameOp

Parameters:

g - The rendering engine

frame - The current frame number

preRendering

public abstract void preRendering(java.awt.Graphics g,
                                  int frame)

Apply the pre-rendering portion of this FrameOp

Specified by:

preRendering in interface FrameOp

Parameters:

g - The rendering engine

frame - The current frame number

shouldApplyAt

protected boolean shouldApplyAt(int frame)

Should this FrameOp be applied at the given frame

Returns:

true if yes; false otherwise