org.icepdf.core.pobjects.graphics

Class ImageReference

java.lang.Object

org.icepdf.core.pobjects.graphics.ImageReference

All Implemented Interfaces:

java.util.concurrent.Callable<java.awt.image.BufferedImage>

Direct Known Subclasses:

CachedImageReference, InlineImageStreamReference

public abstract class ImageReference
extends java.lang.Object
implements java.util.concurrent.Callable<java.awt.image.BufferedImage>

Abstract ImageReference defines the core methods used in ImageStreamReference MipMappedImageReference and ScaledImageReference. The creation of these objects is handled by the ImageReferenceFactory.

Since:

5.0

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.concurrent.FutureTask<java.awt.image.BufferedImage>	futureTask
protected GraphicsState	graphicsState
protected java.awt.image.BufferedImage	image
protected int	imageIndex
protected ImageStream	imageStream
protected Page	parentPage
protected Reference	reference
protected Resources	resources
protected static boolean	useProxy

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ImageReference(ImageStream imageStream, GraphicsState graphicsState, Resources resources, int imageIndex, Page parentPage)

Method Summary

Modifier and Type	Method and Description
protected java.awt.image.BufferedImage	createImage() Creates a scaled image to match that of the instance vars width/height.
void	drawImage(java.awt.Graphics2D aG, int aX, int aY, int aW, int aH)
abstract int	getHeight()
abstract java.awt.image.BufferedImage	getImage()
ImageStream	getImageStream()
abstract int	getWidth()
boolean	isImage()
protected void	notifyImagePageEvents(long duration)
protected void	notifyPageImageLoadedEvent(long duration, boolean interrupted)
protected void	notifyPageLoadingEnded()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.concurrent.Callable

call

Field Detail

useProxy

protected static boolean useProxy

futureTask

protected java.util.concurrent.FutureTask<java.awt.image.BufferedImage> futureTask

imageStream

protected ImageStream imageStream

graphicsState

protected GraphicsState graphicsState

resources

protected Resources resources

image

protected java.awt.image.BufferedImage image

reference

protected Reference reference

imageIndex

protected int imageIndex

parentPage

protected Page parentPage

Constructor Detail

ImageReference

protected ImageReference(ImageStream imageStream,
                         GraphicsState graphicsState,
                         Resources resources,
                         int imageIndex,
                         Page parentPage)

Method Detail

getWidth

public abstract int getWidth()

getHeight

public abstract int getHeight()

getImage

public abstract java.awt.image.BufferedImage getImage()

drawImage

public void drawImage(java.awt.Graphics2D aG,
                      int aX,
                      int aY,
                      int aW,
                      int aH)

createImage

protected java.awt.image.BufferedImage createImage()

Creates a scaled image to match that of the instance vars width/height.

Returns:

decoded/encoded BufferedImage for the respective ImageStream.

getImageStream

public ImageStream getImageStream()

isImage

public boolean isImage()

notifyPageImageLoadedEvent

protected void notifyPageImageLoadedEvent(long duration,
                                          boolean interrupted)

notifyImagePageEvents

protected void notifyImagePageEvents(long duration)

notifyPageLoadingEnded

protected void notifyPageLoadingEnded()