qgsvectorsimplifymethod.h

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/***************************************************************************
    qgsvectorsimplifymethod.h
    ---------------------
    begin                : December 2013
    copyright            : (C) 2013 by Alvaro Huarte
    email                : http://wiki.osgeo.org/wiki/Alvaro_Huarte
 ***************************************************************************
 *                                                                         *
 *   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 QGSVECTORSIMPLIFYMETHOD_H
#define QGSVECTORSIMPLIFYMETHOD_H

#include <QFlags>
#include <QObject>

#include "qgis_core.h"

class CORE_EXPORT QgsVectorSimplifyMethod
{
    Q_GADGET
  public:
    QgsVectorSimplifyMethod();

    enum SimplifyHint
    {
      NoSimplification           = 0, 
      GeometrySimplification     = 1, 
      AntialiasingSimplification = 2, 
      FullSimplification         = 3, 
    };
    Q_ENUM( SimplifyHint )
    Q_DECLARE_FLAGS( SimplifyHints, SimplifyHint )
    Q_FLAG( SimplifyHints )

    void setSimplifyHints( SimplifyHints simplifyHints ) { mSimplifyHints = simplifyHints; }
    inline SimplifyHints simplifyHints() const { return mSimplifyHints; }

    enum SimplifyAlgorithm
    {
      Distance    = 0, 
      SnapToGrid  = 1, 
      Visvalingam = 2, 
    };
    Q_ENUM( SimplifyAlgorithm )

    
    void setSimplifyAlgorithm( SimplifyAlgorithm simplifyAlgorithm ) { mSimplifyAlgorithm = simplifyAlgorithm; }
    inline SimplifyAlgorithm simplifyAlgorithm() const { return mSimplifyAlgorithm; }

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

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

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

    void setMaximumScale( float maximumScale ) { mMaximumScale = maximumScale; }
    inline float maximumScale() const { return mMaximumScale; }

  private:
    SimplifyHints mSimplifyHints;
    SimplifyAlgorithm mSimplifyAlgorithm = QgsVectorSimplifyMethod::Distance;
    double mTolerance = 1;
    float mThreshold;
    bool mLocalOptimization = true;
    float mMaximumScale = 1;
};

Q_DECLARE_OPERATORS_FOR_FLAGS( QgsVectorSimplifyMethod::SimplifyHints )

#endif // QGSVECTORSIMPLIFYMETHOD_H