Class PageLoader

java.lang.Object
org.openpdf.rups.model.BackgroundTask
org.openpdf.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
    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
    Description
    PageLoader(com.sun.pdfview.PDFFile file)
    Creates a new page loader.

  • Method Summary

    Modifier and Type
    Method
    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 BackgroundTask

    finished, interrupt, start

    Methods inherited from class Object

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

  • Field Details

    • 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 Details

    • PageLoader

      public PageLoader(com.sun.pdfview.PDFFile file)
      Creates a new page loader.
      Parameters:
      file - the PDFFile (SUN's PDF Renderer)

  • Method Details

    • 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: