kcl.waterloo.deploy.gif

Class GJGifSequencer

java.lang.Object

kcl.waterloo.deploy.gif.GifSequenceWriter

kcl.waterloo.deploy.gif.GJGifSequencer

All Implemented Interfaces:

java.awt.event.ActionListener, java.util.EventListener, GJSequencerInterface

public class GJGifSequencer
extends GifSequenceWriter
implements GJSequencerInterface, java.awt.event.ActionListener

GJGifSequencer class for creating animated GIFs.

Field Summary

Fields inherited from class kcl.waterloo.deploy.gif.GifSequenceWriter

gifWriter, imageMetaData, imageWriteParam

Method Summary

Methods

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent e)
void	add() Add the graphics of the component as a new frame to the GIF.
void	close() Closes the GIF writer and associated output streams.
void	close(java.lang.String filename) Close call used when a memory cached output stream is used.
static GJGifSequencer	createInstance(java.awt.Component comp, int interval, boolean loopFlag) Factory method to create a GIF writer using a memory cache for output.
static GJGifSequencer	createInstance(java.lang.String fileName, java.awt.Component comp, int interval, boolean loopFlag) Factory method to create a GIF writer writing to a file output stream.
boolean	isMemoryCached() Returns true is this GIF writer users a memory MemoryCacheImageOutputStream, false otherwise.

Methods inherited from class kcl.waterloo.deploy.gif.GifSequenceWriter

writeToSequence

Methods inherited from class java.lang.Object

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

Method Detail

createInstance

public static GJGifSequencer createInstance(java.lang.String fileName,
                            java.awt.Component comp,
                            int interval,
                            boolean loopFlag)
                                     throws java.io.FileNotFoundException,
                                            javax.imageio.IIOException,
                                            java.io.IOException

Factory method to create a GIF writer writing to a file output stream.

Parameters:

fileName - String description of the file to write

comp - the Component to animate

interval - interval between frames (ms)

loopFlag - true to loop continuously

Returns:

a GIF writer

Throws:

java.io.FileNotFoundException

javax.imageio.IIOException

java.io.IOException

createInstance

public static GJGifSequencer createInstance(java.awt.Component comp,
                            int interval,
                            boolean loopFlag)
                                     throws java.io.IOException

Factory method to create a GIF writer using a memory cache for output.

Parameters:

comp - the Component to animate

interval - interval between frames (ms)

loopFlag - true to loop continuously

Returns:

a GIF writer

Throws:

java.io.FileNotFoundException

javax.imageio.IIOException

java.io.IOException

add

public void add()
         throws java.io.IOException

Add the graphics of the component as a new frame to the GIF.

Specified by:

add in interface GJSequencerInterface

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Closes the GIF writer and associated output streams.

Overrides:

close in class GifSequenceWriter

Throws:

java.io.IOException

close

public void close(java.lang.String filename)
           throws java.io.IOException

Close call used when a memory cached output stream is used. Closes the GIF writer and writes the contents to the named file.

Parameters:

filename - String descriptor of the file to write.

Throws:

java.io.IOException

isMemoryCached

public boolean isMemoryCached()

Returns true is this GIF writer users a memory MemoryCacheImageOutputStream, false otherwise.

Returns:

true is this GIF writer users a memory MemoryCacheImageOutputStream

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent e)

Specified by:

actionPerformed in interface java.awt.event.ActionListener