kig_document.h

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// Copyright (C)  2004  Dominique Devriese <devriese@kde.org>

// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.

// This program 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 General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02110-1301, USA.

#ifndef KIG_KIG_KIG_DOCUMENT_H
#define KIG_KIG_KIG_DOCUMENT_H

#include <set>
#include <vector>

class Coordinate;
class CoordinateSystem;
class KigWidget;
class ObjectHolder;
class ObjectCalcer;
class Rect;

class KigDocument {
  std::set<ObjectHolder*> mobjects;

  CoordinateSystem* mcoordsystem;
  bool mshowgrid;
  bool mshowaxes;
  bool mnightvision;
  
  int mcoordinatePrecision;
  
public:
  mutable double mcachedparam;
public:
  KigDocument();
  KigDocument( std::set<ObjectHolder*> objects, CoordinateSystem* coordsystem,
               bool showgrid = true, bool showaxes = true, bool nv = false );
  ~KigDocument();

  const CoordinateSystem& coordinateSystem() const;
  bool grid() const;
  bool axes() const;
  bool getNightVision() const;
  bool isUserSpecifiedCoordinatePrecision() const;
  int getCoordinatePrecision() const;
  const std::vector<ObjectHolder*> objects() const;
  const std::set<ObjectHolder*>& objectsSet() const;

  CoordinateSystem* switchCoordinateSystem( CoordinateSystem* s );

  void setCoordinateSystem( CoordinateSystem* s );

  void setGrid( bool showgrid );

  void setAxes( bool showaxes );

  void setNightVision( bool nv );
  
  void setCoordinatePrecision( int precision );

  std::vector<ObjectHolder*> whatAmIOn( const Coordinate& p, const KigWidget& w ) const;

  std::vector<ObjectHolder*> whatIsInHere( const Rect& p, const KigWidget& );

  Rect suggestedRect() const;

  void addObject( ObjectHolder* oObject );
  void addObjects( const std::vector<ObjectHolder*>& os);
  void delObject( ObjectHolder* o );
  void delObjects( const std::vector<ObjectHolder*>& os );
  std::vector<ObjectCalcer*> findIntersectionPoints( const ObjectCalcer* c1,
                                                     const ObjectCalcer* c2) const;
};

#endif