Previous Next

                                                578
            CHAPTER 8                                                      Interactive Features




                        TABLE 8.1 Entries in a viewer preferences dictionary
KEY                     TYPE      VALUE

HideToolbar             boolean   (Optional) A flag specifying whether to hide the viewer application’s tool
                                  bars when the document is active. Default value: false.

HideMenubar             boolean   (Optional) A flag specifying whether to hide the viewer application’s
                                  menu bar when the document is active. Default value: false.

HideWindowUI            boolean   (Optional) A flag specifying whether to hide user interface elements in
                                  the document’s window (such as scroll bars and navigation controls),
                                  leaving only the document’s contents displayed. Default value: false.

FitWindow               boolean   (Optional) A flag specifying whether to resize the document’s window to
                                  fit the size of the first displayed page. Default value: false.

CenterWindow            boolean   (Optional) A flag specifying whether to position the document’s window
                                  in the center of the screen. Default value: false.

DisplayDocTitle         boolean   (Optional; PDF 1.4) A flag specifying whether the window’s title bar
                                  should display the document title taken from the Title entry of the docu-
                                  ment information dictionary (see Section 10.2.1, “Document Informa-
                                  tion Dictionary”). If false, the title bar should instead display the name
                                  of the PDF file containing the document. Default value: false.

NonFullScreenPageMode   name      (Optional) The document’s page mode, specifying how to display the
                                  document on exiting full-screen mode:
                                    UseNone       Neither document outline nor thumbnail images
                                                  visible
                                    UseOutlines Document outline visible
                                    UseThumbs Thumbnail images visible
                                    UseOC         Optional content group panel visible
                                  This entry is meaningful only if the value of the PageMode entry in the
                                  catalog dictionary (see Section 3.6.1, “Document Catalog”) is FullScreen;
                                  it is ignored otherwise. Default value: UseNone.

Direction               name      (Optional; PDF 1.3) The predominant reading order for text:
                                    L2R            Left to right
                                    R2L            Right to left (including vertical writing systems, such
                                                   as Chinese, Japanese, and Korean)
                                  This entry has no direct effect on the document’s contents or page num-
                                  bering but can be used to determine the relative positioning of pages
                                  when displayed side by side or printed n-up. Default value: L2R.

Previous Next