/********************************************************************** * * GEOS - Geometry Engine Open Source * http://geos.osgeo.org * * Copyright (C) 2006 Refractions Research Inc. * * This is free software; you can redistribute and/or modify it under * the terms of the GNU Lesser General Public Licence as published * by the Free Software Foundation. * See the COPYING file for more information. * *********************************************************************** * * Last port: operation/overlay/validate/OffsetPointGenerator.java rev. 1.1 (JTS-1.10) * **********************************************************************/ #ifndef GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_H #define GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_H #include #include // for composition #include // for auto_ptr visibility of dtor #include // for auto_ptr visibility of dtor #include // for use in vector #include #include // for auto_ptr #ifdef _MSC_VER #pragma warning(push) #pragma warning(disable: 4251) // warning C4251: needs to have dll-interface to be used by clients of class #endif // Forward declarations namespace geos { namespace geom { //class Geometry; //class MultiPoint; class LineString; //class Coordinate; } } namespace geos { namespace operation { // geos::operation namespace overlay { // geos::operation::overlay namespace validate { // geos::operation::overlay::validate /// Generates points offset from both sides of all segments in a geometry // class GEOS_DLL OffsetPointGenerator { public: OffsetPointGenerator(const geom::Geometry& geom, double offset); /// Gets the computed offset points. std::auto_ptr< std::vector > getPoints(); private: const geom::Geometry& g; double offsetDistance; std::auto_ptr< std::vector > offsetPts; void extractPoints(const geom::LineString* line); void computeOffsets(const geom::Coordinate& p0, const geom::Coordinate& p1); // Declare type as noncopyable OffsetPointGenerator(const OffsetPointGenerator& other); OffsetPointGenerator& operator=(const OffsetPointGenerator& rhs); }; } // namespace geos::operation::overlay::validate } // namespace geos::operation::overlay } // namespace geos::operation } // namespace geos #ifdef _MSC_VER #pragma warning(pop) #endif #endif // ndef GEOS_OP_OVERLAY_OFFSETPOINTGENERATOR_H