asyexporterimpvisitor.h

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// Copyright (C)  2010,2011 Raoul Bourquin

// 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_FILTERS_ASYEXPORTERIMPVISITOR_H
#define KIG_FILTERS_ASYEXPORTERIMPVISITOR_H

#include "../kig/kig_document.h"
#include "../kig/kig_part.h"
#include "../kig/kig_view.h"

#include "../objects/circle_imp.h"
#include "../objects/cubic_imp.h"
#include "../objects/bezier_imp.h"
#include "../objects/curve_imp.h"
#include "../objects/line_imp.h"
#include "../objects/locus_imp.h"
#include "../objects/object_drawer.h"
#include "../objects/object_holder.h"
#include "../objects/object_imp.h"
#include "../objects/other_imp.h"
#include "../objects/point_imp.h"
#include "../objects/polygon_imp.h"
#include "../objects/text_imp.h"


class AsyExporterImpVisitor
  : public ObjectImpVisitor
{
  QTextStream& mstream;
  ObjectHolder* mcurobj;
  const KigWidget& mw;
  Rect msr;
public:
  void visit( ObjectHolder* obj );

  AsyExporterImpVisitor( QTextStream& s, const KigWidget& w )
    : mstream( s ), mw( w ), msr( mw.showingRect() )
    {
    }
  using ObjectImpVisitor::visit;
  void visit( const LineImp* imp );
  void visit( const PointImp* imp );
  void visit( const TextImp* imp );
  void visit( const AngleImp* imp );
  void visit( const VectorImp* imp );
  void visit( const LocusImp* imp );
  void visit( const CircleImp* imp );
  void visit( const ConicImp* imp );
  void visit( const CubicImp* imp );
  void visit( const SegmentImp* imp );
  void visit( const RayImp* imp );
  void visit( const ArcImp* imp );
  void visit( const FilledPolygonImp* imp );
  void visit( const ClosedPolygonalImp* imp );
  void visit( const OpenPolygonalImp* imp );
  void visit ( const BezierImp* imp );
  void visit ( const RationalBezierImp* imp );

  double unit;

private:
  static const uint maxlinelength = 500;

  QString emitPenColor( const QColor& c );

  QString emitPenStyle( const Qt::PenStyle& style );

  QString emitPenSize( const int width );

  QString emitPen( const QColor& c, const int width, const Qt::PenStyle& style );

  QString emitCoord( const Coordinate& c );

  void emitLine( const Coordinate& a, const Coordinate& b, const int width,
                 const Qt::PenStyle s, bool vector = false );

  void newLine();

  double dimRealToCoord( int dim );

  void plotGenericCurve( const CurveImp* imp );
};

#endif