jhelp.util.gui

Class GIF

java.lang.Object

jhelp.util.gui.GIF

public class GIF
extends java.lang.Object

GIF image

Last modification : 4 avr. 2009
Version 0.0.0

Author:

JHelp

Field Summary

Fields

Modifier and Type	Field and Description
private static int	DISPOSE_METHOD_NONE Indicates the method NONE
private static int	DISPOSE_METHOD_NOT_DISPOSE Indicates the method NOT DISPOSE
private static int	DISPOSE_METHOD_RESTORE_BACKGROUND Indicates the method RESTORE BACKGROUND
private static int	DISPOSE_METHOD_RESTORE_PREVIOUS Indicates the method RESTORE PREVIOUS
private static com.sun.imageio.plugins.gif.GIFImageReader	GIFReader GIF image reader
private int	height Image height
private java.awt.image.BufferedImage[]	images Images contains in the GIF
private int	width Image width

Constructor Summary

Constructors

Constructor and Description
GIF(java.io.InputStream inputStream) Constructs GIF

Method Summary

Methods

Modifier and Type	Method and Description
java.lang.String	computeMD5() Compute GIF MD5
void	destroy() Destroy the gif to free memory
int	getHeight() Image height
java.awt.image.BufferedImage	getImage(int index) Get a image
int	getWidth() Image width
boolean	isUsable() Indicates if this instance can be use.
int	numberOfImage() Number of images
private static com.sun.imageio.plugins.gif.GIFImageReader	obtainImageReader() Obtain GIF image reader

Methods inherited from class java.lang.Object

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

Field Detail

DISPOSE_METHOD_NONE

private static final int DISPOSE_METHOD_NONE

Indicates the method NONE

See Also:

Constant Field Values

DISPOSE_METHOD_NOT_DISPOSE

private static final int DISPOSE_METHOD_NOT_DISPOSE

Indicates the method NOT DISPOSE

See Also:

Constant Field Values

DISPOSE_METHOD_RESTORE_BACKGROUND

private static final int DISPOSE_METHOD_RESTORE_BACKGROUND

Indicates the method RESTORE BACKGROUND

See Also:

Constant Field Values

DISPOSE_METHOD_RESTORE_PREVIOUS

private static final int DISPOSE_METHOD_RESTORE_PREVIOUS

Indicates the method RESTORE PREVIOUS

See Also:

Constant Field Values

GIFReader

private static final com.sun.imageio.plugins.gif.GIFImageReader GIFReader

GIF image reader

height

private int height

Image height

images

private java.awt.image.BufferedImage[] images

Images contains in the GIF

width

private int width

Image width

Constructor Detail

GIF

public GIF(java.io.InputStream inputStream)
    throws java.io.IOException

Constructs GIF

Parameters:

inputStream - Stream to read the GIF

Throws:

java.io.IOException - On reading problem

Method Detail

obtainImageReader

private static com.sun.imageio.plugins.gif.GIFImageReader obtainImageReader()

Obtain GIF image reader

Returns:

GIF image reader

computeMD5

public java.lang.String computeMD5()
                            throws java.security.NoSuchAlgorithmException,
                                   java.io.IOException

Compute GIF MD5

Returns:

GIF MD5

Throws:

java.security.NoSuchAlgorithmException - If MD5 unknown

java.io.IOException - On computing problem

destroy

public void destroy()

Destroy the gif to free memory

getHeight

public int getHeight()

Image height

Returns:

Image height

getImage

public java.awt.image.BufferedImage getImage(int index)

Get a image

Parameters:

index - Image index

Returns:

Desired image

getWidth

public int getWidth()

Image width

Returns:

Image width

isUsable

public boolean isUsable()

Indicates if this instance can be use.
That is to say if destroy() never call

Returns:

true if the instance can be use

numberOfImage

public int numberOfImage()

Number of images

Returns:

Number of images