/* -*- Mode: C++; c-default-style: "k&r"; indent-tabs-mode: nil; tab-width: 2; c-basic-offset: 2 -*- */
/* libmwaw
* Version: MPL 2.0 / LGPLv2+
*
* The contents of this file are subject to the Mozilla Public License Version
* 2.0 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. 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.
*
* Major Contributor(s):
* Copyright (C) 2002 William Lachance (wrlach@gmail.com)
* Copyright (C) 2002,2004 Marc Maurer (uwog@uwog.net)
* Copyright (C) 2004-2006 Fridrich Strba (fridrich.strba@bluewin.ch)
* Copyright (C) 2006, 2007 Andrew Ziem
* Copyright (C) 2011, 2012 Alonso Laurent (alonso@loria.fr)
*
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU Lesser General Public License Version 2 or later (the "LGPLv2+"),
* in which case the provisions of the LGPLv2+ are applicable
* instead of those above.
*/
/*
* Parser to Claris Works text document ( graphic part )
*
*/
#ifndef CLARIS_WKS_GRAPH
# define CLARIS_WKS_GRAPH
#include <string>
#include <vector>
#include <librevenge/librevenge.h>
#include "libmwaw_internal.hxx"
#include "MWAWDebug.hxx"
#include "MWAWInputStream.hxx"
#include "MWAWPosition.hxx"
#include "ClarisWksStruct.hxx"
namespace ClarisDrawGraphInternal
{
struct Group;
struct State;
struct Style;
struct Zone;
struct ZoneShape;
struct Bitmap;
class SubDocument;
}
class ClarisDrawParser;
/** \brief the main class to read the graphic part of Claris Works file
*
*
*
*/
class ClarisDrawGraph
{
friend class ClarisDrawGraphInternal::SubDocument;
friend class ClarisDrawParser;
friend class ClarisWksParser;
public:
//! constructor
explicit ClarisDrawGraph(ClarisDrawParser &parser);
//! destructor
virtual ~ClarisDrawGraph();
/** returns the file version */
int version() const;
/** resets the current state */
void resetState();
/** returns the number of pages */
int numPages() const;
//! reads the zone Group DSET
std::shared_ptr<ClarisWksStruct::DSET> readGroupZone
(ClarisWksStruct::DSET const &zone, MWAWEntry const &entry, bool isLibHeader=false);
//! reads the zone Bitmap DSET
std::shared_ptr<ClarisWksStruct::DSET> readBitmapZone(ClarisWksStruct::DSET const &zone, MWAWEntry const &entry);
//! read the transformations
bool readTransformations();
//! update the group: ie. remove empty group child
void updateGroup(bool isLibrary);
//! returns true if a group does not exist or is empty
bool isEmptyGroup(int gId) const;
//! return the surface color which corresponds to some ids (if possible)
bool getSurfaceColor(ClarisDrawGraphInternal::Style const &style, MWAWColor &col) const;
protected:
//! sends the bitmap data to the listener (if it exists )
bool sendBitmap(int number, MWAWPosition const &pos=MWAWPosition());
//! sends the zone data to the listener (if it exists )
bool sendGroup(int number, MWAWPosition const &pos=MWAWPosition());
//! sends the ith child of the root (if it exists )
bool sendMainGroupChild(int childId, MWAWPosition const &pos=MWAWPosition());
//! sends the data which have not yet been sent to the listener
void flushExtra();
// interface with main parser
//! sends a text box content (via the main parser )
bool sendTextZone(int number, int subZone=-1);
//
// Intermediate level
//
/* read a simple group */
std::shared_ptr<ClarisDrawGraphInternal::Zone> readGroupDef(MWAWEntry const &entry);
/* read the group data.
\note \a beginGroupPos is only used to help debugging */
bool readGroupData(ClarisDrawGraphInternal::Group &group, long beginGroupPos, bool isLibHeader);
/* read a simple graphic zone */
bool readShape(MWAWEntry const &entry,
ClarisDrawGraphInternal::ZoneShape &zone);
/* try to read the polygon data */
bool readPolygonData(std::shared_ptr<ClarisDrawGraphInternal::Zone> zone);
/////////////
/* try to read a bitmap zone */
bool readBitmapColorMap(std::vector<MWAWColor> &cMap);
/* try to read the bitmap */
bool readBitmapData(ClarisDrawGraphInternal::Bitmap &zone);
//
// low level
//
/* read the first zone of a group type */
bool readGroupHeader(ClarisDrawGraphInternal::Group &group);
/* read some unknown data in first zone */
bool readGroupUnknown(ClarisDrawGraphInternal::Group &group, int zoneSz, int id);
//! sends a basic graphic zone
bool sendShape(ClarisDrawGraphInternal::ZoneShape &pict, MWAWPosition pos);
//! sends a bitmap graphic zone
bool sendBitmap(ClarisDrawGraphInternal::Bitmap &pict, MWAWPosition pos);
private:
ClarisDrawGraph(ClarisDrawGraph const &orig) = delete;
ClarisDrawGraph &operator=(ClarisDrawGraph const &orig) = delete;
protected:
//
// data
//
//! the parser state
MWAWParserStatePtr m_parserState;
//! the state
std::shared_ptr<ClarisDrawGraphInternal::State> m_state;
//! the main parser;
ClarisDrawParser *m_mainParser;
//! the style manager
std::shared_ptr<ClarisDrawStyleManager> m_styleManager;
};
#endif
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