qgspolygon.h

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/***************************************************************************
                         qgspolygon.h
                         -------------------
    begin                : September 2014
    copyright            : (C) 2014 by Marco Hugentobler
    email                : marco at sourcepole dot ch
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGSPOLYGONV2_H
#define QGSPOLYGONV2_H

#include "qgis_core.h"
#include "qgis.h"
#include "qgscurvepolygon.h"

class CORE_EXPORT QgsPolygon: public QgsCurvePolygon
{
  public:
    QgsPolygon();

    QString geometryType() const override;
    QgsPolygon *clone() const override SIP_FACTORY;
    void clear() override;
    bool fromWkb( QgsConstWkbPtr &wkb ) override;
    QByteArray asWkb() const override;
    QgsPolygon *surfaceToPolygon() const override SIP_FACTORY;

    QgsCurvePolygon *toCurveType() const override SIP_FACTORY;

    void addInteriorRing( QgsCurve *ring SIP_TRANSFER ) override;
    //overridden to handle LineString25D rings
    void setExteriorRing( QgsCurve *ring SIP_TRANSFER ) override;

    QgsAbstractGeometry *boundary() const override SIP_FACTORY;

    double pointDistanceToBoundary( double x, double y ) const;

#ifndef SIP_RUN

    inline const QgsPolygon *cast( const QgsAbstractGeometry *geom ) const
    {
      if ( !geom )
        return nullptr;

      QgsWkbTypes::Type flatType = QgsWkbTypes::flatType( geom->wkbType() );

      if ( flatType == QgsWkbTypes::Polygon
           || flatType == QgsWkbTypes::Triangle )
        return static_cast<const QgsPolygon *>( geom );
      return nullptr;
    }
#endif

    QgsPolygon *createEmptyWithSameType() const override SIP_FACTORY;

  protected:

    friend class QgsCurvePolygon;

};
#endif // QGSPOLYGONV2_H