visual.dynamic.sampled
Class AbstractSuperimposition

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

All Implemented Interfaces:

FrameOp, Superimposition

Direct Known Subclasses:

TransformableContentSuperimposition

public abstract class AbstractSuperimposition
extends AbstractFrameOp
implements Superimposition

An abstract implementation of the Superimposition interface.

See Also:

"The Design and Implementation of Multimedia Software © 2011"

Field Summary

Fields inherited from class visual.dynamic.sampled.AbstractFrameOp

duration, first

Constructor Summary

AbstractSuperimposition(int first, int duration, int position)
Explicit Value Constructor

Method Summary

protected java.awt.geom.Point2D	calculateRegistrationPoint(double frameWidth, double frameHeight, double siWidth, double siHeight) Calculate the registration point for the superimposition based on its size, the frame size, and the desired position
int	getPosition() Get the position Possible values: javax.SwingConstants.NORTH, NORTH_EAST, EAST, SOUTH_EAST, SOUTH, SOUTH_WEST, WEST, NORTH_WEST, or CENTER)
abstract void	postRendering(java.awt.Graphics g, int frame) Apply the post-rendering portion of this Superimposition
abstract void	preRendering(java.awt.Graphics g, int frame) Apply the pre-rendering portion of this Superimposition

Methods inherited from class visual.dynamic.sampled.AbstractFrameOp

getFirstFrame, getLastFrame, hasFinishedAt, shouldApplyAt

Methods inherited from class java.lang.Object

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

Methods inherited from interface visual.dynamic.sampled.FrameOp

getFirstFrame, getLastFrame

Constructor Detail

AbstractSuperimposition

public AbstractSuperimposition(int first,
                               int duration,
                               int position)

Explicit Value Constructor

Parameters:

first - The first frame

duration - The duration (in frames)

position - The position

Method Detail

calculateRegistrationPoint

protected java.awt.geom.Point2D calculateRegistrationPoint(double frameWidth,
                                                           double frameHeight,
                                                           double siWidth,
                                                           double siHeight)

Calculate the registration point for the superimposition based on its size, the frame size, and the desired position

Parameters:

frameWidth - The width of the frame

frameHeight - The height of the frame

siWidth - The width of the superimposition

siHeight - The height of the superimposition

getPosition

public int getPosition()

Get the position Possible values: javax.SwingConstants.NORTH, NORTH_EAST, EAST, SOUTH_EAST, SOUTH, SOUTH_WEST, WEST, NORTH_WEST, or CENTER)

Specified by:

getPosition in interface Superimposition

Returns:

The position

postRendering

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

Apply the post-rendering portion of this Superimposition

Specified by:

postRendering in interface FrameOp

Specified by:

postRendering in class AbstractFrameOp

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 Superimposition

Specified by:

preRendering in interface FrameOp

Specified by:

preRendering in class AbstractFrameOp

Parameters:

g - The rendering engine

frame - The current frame number