Package org.openpdf.text.pdf

Class PdfReader.PageRefs

java.lang.Object
org.openpdf.text.pdf.PdfReader.PageRefs
Enclosing class:
PdfReader
static class PdfReader.PageRefs extends Object

  • Field Details

    • reader

      private final PdfReader reader

    • refsn

      private List<PdfObject> refsn
      ArrayList with the indirect references to every page. Element 0 = page 1; 1 = page 2;... Not used for partial reading.

    • sizep

      private int sizep
      The number of pages, updated only in case of partial reading.

    • refsp

      private IntHashtable refsp
      intHashtable that does the same thing as refsn in case of partial reading: major difference: not all the pages are read.

    • lastPageRead

      private int lastPageRead
      Page number of the last page that was read (partial reading only)

    • pageInh

      private List<PdfDictionary> pageInh
      stack to which pages dictionaries are pushed to keep track of the current page attributes

    • keepPages

      private boolean keepPages

  • Constructor Details

  • Method Details

    • size

      int size()

    • readPages

      void readPages()

    • reReadPages

      void reReadPages()

    • getPageN

      public PdfDictionary getPageN(int pageNum)
      Gets the page dictionary of the specified page
      Parameters:
      pageNum - the page number. 1 is the first
      Returns:
      the page dictionary

    • getPageNRelease

      public PdfDictionary getPageNRelease(int pageNum)
      Gets the page reference to this page.
      Parameters:
      pageNum - the page number.
      Returns:
      a dictionary object or null when the page does not exist

    • getPageOrigRefRelease

      public PRIndirectReference getPageOrigRefRelease(int pageNum)
      Releases the page reference to this page.
      Parameters:
      pageNum - the page number.
      Returns:
      an indirect reference

    • getPageOrigRef

      public PRIndirectReference getPageOrigRef(int pageNum)
      Gets the page reference to this page.
      Parameters:
      pageNum - the page number. 1 is the first
      Returns:
      the page reference or null if the page does not exist

    • keepPages

      void keepPages()

    • releasePage

      public void releasePage(int pageNum)

    • resetReleasePage

      public void resetReleasePage()

    • insertPage

      void insertPage(int pageNum, PRIndirectReference ref)

    • pushPageAttributes

      private void pushPageAttributes(PdfDictionary nodePages)
      Adds a PdfDictionary to the pageInh stack to keep track of the page attributes.
      Parameters:
      nodePages - a Pages dictionary

    • popPageAttributes

      private void popPageAttributes()
      Removes the last PdfDictionary that was pushed to the pageInh stack.

    • iteratePages

      private void iteratePages(PRIndirectReference rpage)

    • iteratePages

      private void iteratePages(PdfDictionary page)

    • getSinglePage

      protected PRIndirectReference getSinglePage(int n)

    • selectPages

      private void selectPages(List<Integer> pagesToKeep)