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Diffstat (limited to 'kviewshell/plugins/djvu/libdjvu/DjVmNav.h')
| -rw-r--r-- | kviewshell/plugins/djvu/libdjvu/DjVmNav.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/kviewshell/plugins/djvu/libdjvu/DjVmNav.h b/kviewshell/plugins/djvu/libdjvu/DjVmNav.h new file mode 100644 index 00000000..46c5d57f --- /dev/null +++ b/kviewshell/plugins/djvu/libdjvu/DjVmNav.h @@ -0,0 +1,146 @@ +//C- -*- C++ -*- +//C- ------------------------------------------------------------------- +//C- DjVuLibre-3.5 +//C- Copyright (c) 2002 Leon Bottou and Yann Le Cun. +//C- Copyright (c) 2001 AT&T +//C- +//C- This software is subject to, and may be distributed under, the +//C- GNU General Public License, Version 2. The license should have +//C- accompanied the software or you may obtain a copy of the license +//C- from the Free Software Foundation at http://www.fsf.org . +//C- +//C- This program is distributed in the hope that it will be useful, +//C- but WITHOUT ANY WARRANTY; without even the implied warranty of +//C- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +//C- GNU General Public License for more details. +//C- +//C- DjVuLibre-3.5 is derived from the DjVu(r) Reference Library +//C- distributed by Lizardtech Software. On July 19th 2002, Lizardtech +//C- Software authorized us to replace the original DjVu(r) Reference +//C- Library notice by the following text (see doc/lizard2002.djvu): +//C- +//C- ------------------------------------------------------------------ +//C- | DjVu (r) Reference Library (v. 3.5) +//C- | Copyright (c) 1999-2001 LizardTech, Inc. All Rights Reserved. +//C- | The DjVu Reference Library is protected by U.S. Pat. No. +//C- | 6,058,214 and patents pending. +//C- | +//C- | This software is subject to, and may be distributed under, the +//C- | GNU General Public License, Version 2. The license should have +//C- | accompanied the software or you may obtain a copy of the license +//C- | from the Free Software Foundation at http://www.fsf.org . +//C- | +//C- | The computer code originally released by LizardTech under this +//C- | license and unmodified by other parties is deemed "the LIZARDTECH +//C- | ORIGINAL CODE." Subject to any third party intellectual property +//C- | claims, LizardTech grants recipient a worldwide, royalty-free, +//C- | non-exclusive license to make, use, sell, or otherwise dispose of +//C- | the LIZARDTECH ORIGINAL CODE or of programs derived from the +//C- | LIZARDTECH ORIGINAL CODE in compliance with the terms of the GNU +//C- | General Public License. This grant only confers the right to +//C- | infringe patent claims underlying the LIZARDTECH ORIGINAL CODE to +//C- | the extent such infringement is reasonably necessary to enable +//C- | recipient to make, have made, practice, sell, or otherwise dispose +//C- | of the LIZARDTECH ORIGINAL CODE (or portions thereof) and not to +//C- | any greater extent that may be necessary to utilize further +//C- | modifications or combinations. +//C- | +//C- | The LIZARDTECH ORIGINAL CODE is provided "AS IS" WITHOUT WARRANTY +//C- | OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +//C- | TO ANY WARRANTY OF NON-INFRINGEMENT, OR ANY IMPLIED WARRANTY OF +//C- | MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. +//C- +------------------------------------------------------------------ +// +// $Id: DjVmNav.h,v 1.1 2005/05/25 17:36:53 leonb Exp $ +// $Name: release_3_5_15 $ + +#ifndef _DJVMNAV_H +#define _DJVMNAV_H +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif +#if NEED_GNUG_PRAGMAS +# pragma interface +#endif + +#include "DjVuGlobal.h" +#include "GString.h" +#include "GThreads.h" + +#ifdef HAVE_NAMESPACES +namespace DJVU { +# ifdef NOT_DEFINED // Just to fool emacs c++ mode +} +#endif +#endif + + +class ByteStream; + +/** The NAVM chunk. + The optional #"NAVM"# chunk which follows the DIRM chunk describes + how the user can navigate the document. + This is a list of DjVuBookMarks. +**/ + +class DjVmNav : public GPEnabled +{ +public: + /** Class \Ref{DjVmNav::DjVuBookMark} represents a entry in the + hierarchy of contents. */ + class DjVuBookMark; + + static GP<DjVmNav> create(void); + /** Decodes the directory from the specified stream. */ + void decode(const GP<ByteStream> &stream); + /** Encodes the directory into the specified stream. */ + void encode(const GP<ByteStream> &stream) ; + void dump(const GP<ByteStream> &stream) ; + /** Return bookmark at zero-based position i */ + bool getBookMark(GP<DjVuBookMark> &gpBookMark, int i) ; + int getBookMarkCount(); + /** Append the BookMark to the end of the list */ + void append (const GP<DjVuBookMark> &gpBookMark) ; + /** This function will check the given bookmark is valid or not */ + bool isValidBookmark(); + /** This function determines if the given count_array is a tree + sequence, that is if it fits a tree. */ + int get_tree(int index, int* count_array, int count_array_size); +protected: + DjVmNav(void) { } ; +private: + GCriticalSection class_lock; + GPList<DjVuBookMark> bookmark_list; +}; + +/** The DjVuBookMark. + Each entry in the Navigation chunk (NAVM) is a bookmark. A bookmark + contains a count of immediate children, a display string and a url. +**/ + +class DjVmNav::DjVuBookMark : public GPEnabled +{ +protected: + /** Default constructor. */ + DjVuBookMark(void); +public: + static GP<DjVuBookMark> create(void); + static GP<DjVuBookMark> create(const unsigned short count, + const GUTF8String &displayname, + const GUTF8String &url); + void encode(const GP<ByteStream> &stream); + void dump(const GP<ByteStream> &stream); + void decode(const GP<ByteStream> &stream); + int count; // count of immediate children. + GUTF8String displayname; // example: "Section 3.5 - Encryption" + GUTF8String url; // url, may be blank or relative. +}; + + +#ifdef HAVE_NAMESPACES +} +# ifndef NOT_USING_DJVU_NAMESPACE +using namespace DJVU; +# endif +#endif +#endif |