Module java.desktop

Interface Pageable

All Known Implementing Classes:
Book

public interface Pageable
The Pageable implementation represents a set of pages to be printed. The Pageable object returns the total number of pages in the set as well as the PageFormat and Printable for a specified page.
See Also:
PageFormat, Printable
  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static int
    This constant is returned from the getNumberOfPages method if a Pageable implementation does not know the number of pages in its set.
  • Method Summary

    Modifier and Type
    Method
    Description
    int
    Returns the number of pages in the set.
    getPageFormat​(int pageIndex)
    Returns the PageFormat of the page specified by pageIndex.
    getPrintable​(int pageIndex)
    Returns the Printable instance responsible for rendering the page specified by pageIndex.
  • Field Details

    • UNKNOWN_NUMBER_OF_PAGES

      @Native static final int UNKNOWN_NUMBER_OF_PAGES
      This constant is returned from the getNumberOfPages method if a Pageable implementation does not know the number of pages in its set.
      See Also:
      Constant Field Values
  • Method Details

    • getNumberOfPages

      int getNumberOfPages()
      Returns the number of pages in the set. To enable advanced printing features, it is recommended that Pageable implementations return the true number of pages rather than the UNKNOWN_NUMBER_OF_PAGES constant.
      Returns:
      the number of pages in this Pageable.
    • getPageFormat

      PageFormat getPageFormat(int pageIndex) throws IndexOutOfBoundsException
      Returns the PageFormat of the page specified by pageIndex.
      Parameters:
      pageIndex - the zero based index of the page whose PageFormat is being requested
      Returns:
      the PageFormat describing the size and orientation.
      Throws:
      IndexOutOfBoundsException - if the Pageable does not contain the requested page.
    • getPrintable

      Printable getPrintable(int pageIndex) throws IndexOutOfBoundsException
      Returns the Printable instance responsible for rendering the page specified by pageIndex.
      Parameters:
      pageIndex - the zero based index of the page whose Printable is being requested
      Returns:
      the Printable that renders the page.
      Throws:
      IndexOutOfBoundsException - if the Pageable does not contain the requested page.