qgssimplifymethod.h

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/***************************************************************************
    qgssimplifymethod.h
    ---------------------
    begin                : December 2013
    copyright            : (C) 2013 by Matthias Kuhn / Alvaro Huarte
    email                :
 ***************************************************************************
 *                                                                         *
 *   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 QGSSIMPLIFYMETHOD_H
#define QGSSIMPLIFYMETHOD_H

#include "qgis_core.h"

class QgsAbstractGeometrySimplifier;

class CORE_EXPORT QgsSimplifyMethod
{
  public:
    enum MethodType
    {
      NoSimplification,     
      OptimizeForRendering, 
      PreserveTopology      
    };

    QgsSimplifyMethod() = default;

    void setMethodType( MethodType methodType );
    inline MethodType methodType() const { return mMethodType; }

    void setTolerance( double tolerance );
    inline double tolerance() const { return mTolerance; }

    void setThreshold( float threshold ) { mThreshold = threshold; }
    inline float threshold() const { return mThreshold; }

    void setForceLocalOptimization( bool localOptimization );
    inline bool forceLocalOptimization() const { return mForceLocalOptimization; }

    static QgsAbstractGeometrySimplifier *createGeometrySimplifier( const QgsSimplifyMethod &simplifyMethod );

  protected:
    MethodType mMethodType = QgsSimplifyMethod::NoSimplification;
    double mTolerance = 1;
    float mThreshold = 1;
    bool mForceLocalOptimization = true;
};

#endif // QGSSIMPLIFYMETHOD_H