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https://github.com/qgis/QGIS.git
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c49b5b777f
Rationale: - there was a lot of large objects passed by value, so potentially there's a speed bump from this - even for implicitly shared classes like QString/QList there's still a (small) cost for copying the objects when there's no reason to - it's the right thing to do!
43 lines
2.9 KiB
Plaintext
43 lines
2.9 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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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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