/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/core/geometry/qgsgeometryengine.h                                *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/





class QgsGeometryEngine
{
%Docstring
 Contains geometry relation and modification algorithms.
.. versionadded:: 2.10
%End

%TypeHeaderCode
#include "qgsgeometryengine.h"
%End
  public:
    virtual ~QgsGeometryEngine();

    virtual void geometryChanged() = 0;
    virtual void prepareGeometry() = 0;

    virtual QgsAbstractGeometry *intersection( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *difference( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *combine( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *combine( const QList< QgsAbstractGeometry * > &, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *symDifference( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *buffer( double distance, int segments, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *buffer( double distance, int segments, int endCapStyle, int joinStyle, double mitreLimit, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *simplify( double tolerance, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *interpolate( double distance, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual QgsAbstractGeometry *envelope( QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual bool centroid( QgsPointV2 &pt, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool pointOnSurface( QgsPointV2 &pt, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual QgsAbstractGeometry *convexHull( QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End
    virtual double distance( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: float
%End
    virtual bool intersects( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool touches( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool crosses( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool within( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool overlaps( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool contains( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool disjoint( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End

    virtual QString relate( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 Returns the Dimensional Extended 9 Intersection Model (DE-9IM) representation of the
 relationship between the geometries.
 \param geom geometry to relate to
 \param errorMsg destination storage for any error message
 :return: DE-9IM string for relationship, or an empty string if an error occurred
.. versionadded:: 2.12
 :rtype: str
%End

    virtual bool relatePattern( const QgsAbstractGeometry &geom, const QString &pattern, QString *errorMsg = 0 ) const = 0;
%Docstring
 Tests whether two geometries are related by a specified Dimensional Extended 9 Intersection Model (DE-9IM)
 pattern.
 \param geom geometry to relate to
 \param pattern DE-9IM pattern for match
 \param errorMsg destination storage for any error message
 :return: true if geometry relationship matches with pattern
.. versionadded:: 2.14
 :rtype: bool
%End

    virtual double area( QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: float
%End
    virtual double length( QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: float
%End
    virtual bool isValid( QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool isEqual( const QgsAbstractGeometry &geom, QString *errorMsg = 0 ) const = 0;
%Docstring
 :rtype: bool
%End
    virtual bool isEmpty( QString *errorMsg ) const = 0;
%Docstring
 :rtype: bool
%End

    virtual bool isSimple( QString *errorMsg = 0 ) const = 0;
%Docstring
 Determines whether the geometry is simple (according to OGC definition).
.. versionadded:: 3.0
 :rtype: bool
%End

    virtual int splitGeometry( const QgsLineString &splitLine,
                               QList<QgsAbstractGeometry *> &newGeometries,
                               bool topological,
                               QgsPointSequence &topologyTestPoints, QString *errorMsg = 0 ) const;
%Docstring
 :rtype: int
%End

    virtual QgsAbstractGeometry *offsetCurve( double distance, int segments, int joinStyle, double mitreLimit, QString *errorMsg = 0 ) const = 0 /Factory/;
%Docstring
 :rtype: QgsAbstractGeometry
%End

  protected:

    QgsGeometryEngine( const QgsAbstractGeometry *geometry );
};

/************************************************************************
 * This file has been generated automatically from                      *
 *                                                                      *
 * src/core/geometry/qgsgeometryengine.h                                *
 *                                                                      *
 * Do not edit manually ! Edit header and run scripts/sipify.pl again   *
 ************************************************************************/