/* -*- 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 ClarisWksGraphInternal
{
struct Group;
struct State;
struct Style;
struct Zone;
struct Chart;
struct ZoneShape;
struct Bitmap;
struct ZonePict;
class SubDocument;
}
class ClarisWksDocument;
class ClarisWksParser;
class MWAWParser;
/** \brief the main class to read the graphic part of Claris Works file
*
*
*
*/
class ClarisWksGraph
{
friend class ClarisWksGraphInternal::SubDocument;
friend class ClarisWksDocument;
friend class ClarisWksParser;
public:
//! constructor
explicit ClarisWksGraph(ClarisWksDocument &document);
//! destructor
virtual ~ClarisWksGraph();
/** returns the file version */
int version() const;
/** returns the number of pages */
int numPages() const;
//! returns the page dimension if known (in point)
bool getPageDimension(MWAWVec2f &dim) const;
//! compute the pages position
void computePositions() const;
//! find the master zone to the content zones in a graphic document
void findMasterPage() const;
//! reads the zone Group DSET
std::shared_ptr<ClarisWksStruct::DSET> readGroupZone
(ClarisWksStruct::DSET const &zone, MWAWEntry const &entry, bool &complete);
//! reads the zone Bitmap DSET
std::shared_ptr<ClarisWksStruct::DSET> readBitmapZone
(ClarisWksStruct::DSET const &zone, MWAWEntry const &entry, bool &complete);
//! try to read a database picture zone, v5-v6
bool readDatabasePictZone();
//! return the surface color which corresponds to some ids (if possible)
bool getSurfaceColor(ClarisWksGraphInternal::Style const &style, MWAWColor &col) const;
protected:
//! check if we can send a group as graphic
bool canSendGroupAsGraphic(int number) const;
//! sends the page element
bool sendPageGraphics(int groupId);
//! sends the master zone (ie. the background zone in a graphic document)
bool sendMaster(int pg);
//! sends the database zone if known
bool sendDatabasePictZone(int pictId, MWAWListenerPtr listener, MWAWPosition const &pos=MWAWPosition());
//! sends the zone data to the listener (if it exists )
bool sendGroup(int number, MWAWListenerPtr listener, MWAWPosition const &pos=MWAWPosition());
//! check if we can send a group as graphic
bool canSendBitmapAsGraphic(int number) const;
//! sends the bitmap data to the listener (if it exists )
bool sendBitmap(int number, MWAWListenerPtr listener, MWAWPosition const &pos=MWAWPosition());
//! sends the data which have not yet been sent to the listener
void flushExtra();
// interface with main parser
//! ask the main parser to send a zone
void askToSend(int number, MWAWListenerPtr listener, MWAWPosition const &pos=MWAWPosition());
//
// Intermediate level
//
//! update the group information to choose how to send the group data
void updateGroup(ClarisWksGraphInternal::Group &group) const;
//! check if we can send a group as graphic
bool canSendAsGraphic(ClarisWksGraphInternal::Group &group) const;
//! send a group
bool sendGroup(ClarisWksGraphInternal::Group &group, MWAWPosition const &position);
//! send a child group as graphic or as presentation
bool sendGroupChild(std::vector<std::shared_ptr<ClarisWksGraphInternal::Zone> > const &lChild, MWAWListenerPtr listener, MWAWVec2f const &leftTop);
//! send a group child
bool sendGroupChild(std::shared_ptr<ClarisWksGraphInternal::Zone> zone, MWAWPosition position);
//! send the child element corresponding to some page
bool sendPageChild(ClarisWksGraphInternal::Group &group);
/* read a simple group */
std::shared_ptr<ClarisWksGraphInternal::Zone> readGroupDef(MWAWEntry const &entry);
/* read the group data.
\note \a beginGroupPos is only used to help debugging */
bool readGroupData(ClarisWksGraphInternal::Group &group, long beginGroupPos);
/* read a simple graphic zone */
bool readShape(MWAWEntry const &entry,
ClarisWksGraphInternal::ZoneShape &zone);
/* try to read the chart data */
bool readChartData(std::shared_ptr<ClarisWksGraphInternal::Zone> zone);
/* try to read a pict data zone */
bool readPictData(std::shared_ptr<ClarisWksGraphInternal::Zone> zone);
/* try to read the polygon data */
bool readPolygonData(std::shared_ptr<ClarisWksGraphInternal::Zone> zone);
/* read a picture */
bool readPICT(ClarisWksGraphInternal::ZonePict &zone);
/* read a postcript zone */
bool readPS(ClarisWksGraphInternal::ZonePict &zone);
/* read a ole document zone */
bool readOLE(ClarisWksGraphInternal::ZonePict &zone);
/////////////
/* try to read the qtime data zone */
bool readQTimeData(std::shared_ptr<ClarisWksGraphInternal::Zone> zone);
/* read a named picture */
bool readNamedPict(ClarisWksGraphInternal::ZonePict &zone);
/////////////
/* try to read a bitmap zone */
bool readBitmapColorMap(std::vector<MWAWColor> &cMap);
/* try to read the bitmap */
bool readBitmapData(ClarisWksGraphInternal::Bitmap &zone);
//
// low level
//
/* read the first zone of a group type */
bool readGroupHeader(ClarisWksGraphInternal::Group &group);
/* read some unknown data in first zone */
bool readGroupUnknown(ClarisWksGraphInternal::Group &group, int zoneSz, int id);
//! sends a picture zone
bool sendPicture(ClarisWksGraphInternal::ZonePict &pict, MWAWPosition pos);
//! sends a basic graphic zone
bool sendShape(ClarisWksGraphInternal::ZoneShape &pict, MWAWPosition pos);
//! sends a bitmap graphic zone
bool sendBitmap(ClarisWksGraphInternal::Bitmap &pict, MWAWListener &listener, MWAWPosition pos);
private:
ClarisWksGraph(ClarisWksGraph const &orig) = delete;
ClarisWksGraph &operator=(ClarisWksGraph const &orig) = delete;
protected:
//
// data
//
//! the document
ClarisWksDocument &m_document;
//! the parser state
MWAWParserStatePtr m_parserState;
//! the state
std::shared_ptr<ClarisWksGraphInternal::State> m_state;
//! the main parser;
MWAWParser *m_mainParser;
};
#endif
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