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/********************************************************************** |
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* |
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* GEOS - Geometry Engine Open Source |
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* http://geos.osgeo.org |
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* |
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* Copyright (C) 2006 Refractions Research Inc. |
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* |
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* This is free software; you can redistribute and/or modify it under |
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* the terms of the GNU Lesser General Public Licence as published |
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* by the Free Software Foundation. |
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* See the COPYING file for more information. |
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* |
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* |
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********************************************************************** |
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* Last port: geom/prep/PreparedGeometryFactory.java rev. 1.4 (JTS-1.10) |
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**********************************************************************/ |
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#ifndef GEOS_GEOM_PREP_PREPAREDGEOMETRYFACTORY_H |
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#define GEOS_GEOM_PREP_PREPAREDGEOMETRYFACTORY_H |
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#include |
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#include |
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namespace geos { |
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namespace geom { |
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namespace prep { |
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class PreparedGeometry; |
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} |
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} |
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} |
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namespace geos { |
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namespace geom { // geos::geom |
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namespace prep { // geos::geom::prep |
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/** |
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* \brief |
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* A factory for creating {@link PreparedGeometry}s. |
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* It chooses an appropriate implementation of PreparedGeometry |
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* based on the geoemtric type of the input geometry. |
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* In the future, the factory may accept hints that indicate |
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* special optimizations which can be performed. |
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* |
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* @author Martin Davis |
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* |
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*/ |
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class GEOS_DLL PreparedGeometryFactory |
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{ |
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public: |
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/** |
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* Creates a new {@link PreparedGeometry} appropriate for the argument {@link Geometry}. |
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* |
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* @param geom the geometry to prepare |
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* @return the prepared geometry |
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*/ |
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static const PreparedGeometry * prepare(const geom::Geometry * geom) |
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{ |
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PreparedGeometryFactory pf; |
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return pf.create(geom); |
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} |
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/** |
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* Destroys {@link PreparedGeometry} allocated with the factory. |
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* |
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* @param geom to be deallocated |
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*/ |
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static void destroy(const PreparedGeometry* geom) |
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{ |
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delete geom; |
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} |
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/** |
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* Creates a new {@link PreparedGeometry} appropriate for the argument {@link Geometry}. |
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* |
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* @param geom the geometry to prepare |
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* @return the prepared geometry |
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*/ |
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const PreparedGeometry* create(const geom::Geometry* geom) const; |
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}; |
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} // namespace geos::geom::prep |
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} // namespace geos::geom |
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} // namespace geos |
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#endif // GEOS_GEOM_PREP_PREPAREDGEOMETRYFACTORY_H |