qgsgeometryfactory.h

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/***************************************************************************
                           qgsgeometryfactory.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 QGSGEOMETRYFACTORY_H
#define QGSGEOMETRYFACTORY_H
 
#define SIP_NO_FILE
 
#include <memory>
 
#include "qgis_core.h"
#include "qgswkbtypes.h"
 
#include <QString>
 
class QgsAbstractGeometry;
class QgsLineString;
class QgsConstWkbPtr;
class QgsRectangle;
class QgsGeometryCollection;
class QgsMultiPoint;
class QgsMultiLineString;
class QgsPolygon;
class QgsMultiPolygon;
 
//compatibility with old classes
#include "qgspointxy.h"
typedef QVector<QgsPointXY> QgsPolylineXY;
typedef QVector<QgsPolylineXY> QgsPolygonXY;
typedef QVector<QgsPointXY> QgsMultiPointXY;
typedef QVector<QgsPolylineXY> QgsMultiPolylineXY;
typedef QVector<QgsPolygonXY> QgsMultiPolygonXY;

class CORE_EXPORT QgsGeometryFactory
{
  public:

    static std::unique_ptr< QgsAbstractGeometry > geomFromWkb( QgsConstWkbPtr &wkb );

    static std::unique_ptr< QgsAbstractGeometry > geomFromWkt( const QString &text );

    static std::unique_ptr< QgsAbstractGeometry > fromPointXY( const QgsPointXY &point );
    static std::unique_ptr<QgsMultiPoint> fromMultiPointXY( const QgsMultiPointXY &multipoint );
    static std::unique_ptr< QgsAbstractGeometry > fromPolylineXY( const QgsPolylineXY &polyline );
    static std::unique_ptr<QgsMultiLineString> fromMultiPolylineXY( const QgsMultiPolylineXY &multiline );
    static std::unique_ptr<QgsPolygon> fromPolygonXY( const QgsPolygonXY &polygon );
    static std::unique_ptr<QgsMultiPolygon> fromMultiPolygonXY( const QgsMultiPolygonXY &multipoly );
    static std::unique_ptr< QgsAbstractGeometry > geomFromWkbType( Qgis::WkbType t );

    static std::unique_ptr< QgsGeometryCollection > createCollectionOfType( Qgis::WkbType type );
 
  private:
    static std::unique_ptr< QgsLineString > linestringFromPolyline( const QgsPolylineXY &polyline );
};
 
#endif // QGSGEOMETRYFACTORY_H