com.lowagie.rups.model

Class PageLoader

java.lang.Object

com.lowagie.rups.model.BackgroundTask

com.lowagie.rups.model.PageLoader

public class PageLoader
extends BackgroundTask

Loads all the PDFPage objects for SUN's PDF Renderer in Background.

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean[]	busy True for pages with page number equal to index + 1 that are being loaded.
protected boolean[]	done True for pages with page number equal to index + 1 that have already been loaded.
protected com.sun.pdfview.PDFFile	file The PDFFile (SUN's PDF Renderer class)
protected int	numberOfPages The total number of pages.

Constructor Summary

Constructors

Constructor and Description
PageLoader(com.sun.pdfview.PDFFile file) Creates a new page loader.

Method Summary

Methods

Modifier and Type	Method and Description
void	doTask() Implement this class; the time-consuming task will go here.
int	getNumberOfPages() Getter for the number of pages.
com.sun.pdfview.PDFPage	loadPage(int pageNumber) Loads a page.

Methods inherited from class com.lowagie.rups.model.BackgroundTask

finished, interrupt, start

Methods inherited from class java.lang.Object

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

Field Detail

file

protected com.sun.pdfview.PDFFile file

The PDFFile (SUN's PDF Renderer class)

numberOfPages

protected int numberOfPages

The total number of pages.

busy

protected boolean[] busy

True for pages with page number equal to index + 1 that are being loaded.

done

protected boolean[] done

True for pages with page number equal to index + 1 that have already been loaded.

Constructor Detail

PageLoader

public PageLoader(com.sun.pdfview.PDFFile file)

Creates a new page loader.

Parameters:

file - the PDFFile (SUN's PDF Renderer)

Method Detail

getNumberOfPages

public int getNumberOfPages()

Getter for the number of pages.

Returns:

the number of pages in the PDF file.

loadPage

public com.sun.pdfview.PDFPage loadPage(int pageNumber)

Loads a page.

Parameters:

pageNumber - the number of the page that has to be loaded.

Returns:

the PDFPage that has been loaded.

doTask

public void doTask()

Description copied from class: BackgroundTask

Implement this class; the time-consuming task will go here.

Specified by:

doTask in class BackgroundTask

See Also:

BackgroundTask.doTask()