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/*
* $Id: PdfViewerPreferences.java 3305 2008-05-01 18:18:28Z blowagie $
*
* Copyright 2006 Bruno Lowagie
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* https://github.com/LibrePDF/OpenPDF
*/
package com.lowagie.text.pdf.interfaces;
import com.lowagie.text.pdf.PdfName;
import com.lowagie.text.pdf.PdfObject;
/**
* Viewer preferences are described in section 3.6.1 and 8.1 of the
* PDF Reference 1.7 (Table 3.25 on p139-142 and Table 8.1 on p579-581).
* They are explained in section 13.1 of the book 'iText in Action'.
* The values of the different preferences were originally stored
* in class PdfWriter, but they have been moved to this separate interface
* for reasons of convenience.
*/
public interface PdfViewerPreferences {
/**
* Sets the page layout and page mode preferences by ORing one or two of these constants.
*
*
The page layout to be used when the document is opened (choose one).
*
*
PAGE_LAYOUT_SINGLE_PAGE - Display one page at a time. (default)
*
PAGE_LAYOUT_ONE_COLUMN - Display the pages in one column.
*
PAGE_LAYOUT_TWO_COLUMN_LEFT - Display the pages in two columns, with
* oddnumbered pages on the left.
*
PAGE_LAYOUT_TWO_COLUMN_RIGHT - Display the pages in two columns, with
* oddnumbered pages on the right.
*
PAGE_LAYOUT_TWO_PAGE_LEFT - Display the pages two at a time, with
* oddnumbered pages on the left.
*
PAGE_LAYOUT_TWO_PAGE_RIGHT - Display the pages two at a time, with
* oddnumbered pages on the right.
*
*
The page mode how the document should be displayed
* when opened (choose one).
*
* For backward compatibility these values are also supported,
* but it's better to use method addViewerPreference(key, value)
* if you want to change the following preferences:
*
*
HIDE_TOOLBAR - A flag specifying whether to hide the viewer application's tool
* bars when the document is active.
*
HIDE_MENUBAR - A flag specifying whether to hide the viewer application's
* menu bar when the document is active.
*
HIDE_WINDOW_UI - 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.
*
FIT_WINDOW - A flag specifying whether to resize the document's window to
* fit the size of the first displayed page.
*
CENTER_WINDOW - A flag specifying whether to position the document's window
* in the center of the screen.
*
DISPLAY_DOC_TITLE - A flag specifying whether to display the document's title
* in the top bar.
*
The predominant reading order for text. This entry has no direct effect on the
* document's contents or page numbering, but can be used to determine the relative
* positioning of pages when displayed side by side or printed n-up (choose one).
*
*
DIRECTION_L2R - Left to right
*
DIRECTION_R2L - Right to left (including vertical writing systems such as
* Chinese, Japanese, and Korean)
*
*
The document's page mode, specifying how to display the
* document on exiting full-screen mode. It is meaningful only
* if the page mode is PageModeFullScreen (choose one).
*
* The value must be a of type PdfBoolean (true or false).
*
In case the key is PdfName.NONFULLSCREENPAGEMODE,
* the value must be one of these names:
*
*
PdfName.USENONE
*
PdfName.USEOUTLINES
*
PdfName.USETHUMBS
*
PdfName.USEOC
*
*
In case the key is PdfName.DIRECTION,
* the value must be one of these names:
*
*
PdfName.L2R
*
PdfName.R2L
*
*
In case the key is one of these values:
*
*
PdfName.VIEWAREA
*
PdfName.VIEWCLIP
*
PdfName.PRINTAREA
*
PdfName.PRINTCLIP
*
* The value must be one of these names:
*
*
PdfName.MEDIABOX
*
PdfName.CROPBOX
*
PdfName.BLEEDBOX
*
PdfName.TRIMBOX
*
PdfName.ARTBOX
*
*
In case the key is PdfName.PRINTSCALING, the value can be
*
*
PdfName.APPDEFAULT
*
PdfName.NONE
*
*
In case the key is PdfName.DUPLEX, the value can be:
*
*
PdfName.SIMPLEX
*
PdfName.DUPLEXFLIPSHORTEDGE
*
PdfName.DUPLEXFLIPLONGEDGE
*
*
In case the key is PdfName.PICKTRAYBYPDFSIZE, the value must be of type PdfBoolean.
*
In case the key is PdfName.PRINTPAGERANGE, the value must be of type PdfArray.
*
In case the key is PdfName.NUMCOPIES, the value must be of type PdfNumber.
*
*
* @param key the name of the viewer preference
* @param value the value of the viewer preference
* @see PdfViewerPreferences#setViewerPreferences
*/
void addViewerPreference(PdfName key, PdfObject value);
}
