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63 lines
3.8 KiB
Plaintext
63 lines
3.8 KiB
Plaintext
class QgsGeometryEngine
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{
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%TypeHeaderCode
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#include <qgsgeometryengine.h>
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%End
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public:
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QgsGeometryEngine( const QgsAbstractGeometryV2* geometry );
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virtual ~QgsGeometryEngine();
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virtual void geometryChanged() = 0;
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virtual void prepareGeometry() = 0;
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virtual QgsAbstractGeometryV2* intersection( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* difference( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* combine( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* combine( const QList< const QgsAbstractGeometryV2* >&, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* symDifference( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* buffer( double distance, int segments, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* buffer( double distance, int segments, int endCapStyle, int joinStyle, double mitreLimit, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* simplify( double tolerance, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* interpolate( double distance, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* envelope( QString* errorMsg = 0 ) const = 0;
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virtual bool centroid( QgsPointV2& pt, QString* errorMsg = 0 ) const = 0;
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virtual bool pointOnSurface( QgsPointV2& pt, QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* convexHull( QString* errorMsg = 0 ) const = 0;
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virtual double distance( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool intersects( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool touches( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool crosses( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool within( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool overlaps( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool contains( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool disjoint( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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/** Returns the Dimensional Extended 9 Intersection Model (DE-9IM) representation of the
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* relationship between the geometries.
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* @param geom geometry to relate to
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* @param errorMsg destination storage for any error message
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* @returns DE-9IM string for relationship, or an empty string if an error occurred
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* @note added in QGIS 2.12
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*/
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virtual QString relate( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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/** Tests whether two geometries are related by a specified Dimensional Extended 9 Intersection Model (DE-9IM)
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* pattern.
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* @param geom geometry to relate to
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* @param pattern DE-9IM pattern for match
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* @param errorMsg destination storage for any error message
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* @returns true if geometry relationship matches with pattern
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* @note added in QGIS 2.14
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*/
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virtual bool relatePattern( const QgsAbstractGeometryV2& geom, const QString& pattern, QString* errorMsg = 0 ) const = 0;
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virtual double area( QString* errorMsg = 0 ) const = 0;
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virtual double length( QString* errorMsg = 0 ) const = 0;
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virtual bool isValid( QString* errorMsg = 0 ) const = 0;
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virtual bool isEqual( const QgsAbstractGeometryV2& geom, QString* errorMsg = 0 ) const = 0;
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virtual bool isEmpty( QString* errorMsg = 0 ) const = 0;
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virtual QgsAbstractGeometryV2* offsetCurve( double distance, int segments, int joinStyle, double mitreLimit, QString* errorMsg = 0 ) const = 0;
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};
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