00001 /********************************************************************** 00002 * $Id: PreparedLineString.h 2811 2009-12-08 17:42:02Z strk $ 00003 * 00004 * GEOS - Geometry Engine Open Source 00005 * http://geos.refractions.net 00006 * 00007 * Copyright (C) 2006 Refractions Research Inc. 00008 * 00009 * This is free software; you can redistribute and/or modify it under 00010 * the terms of the GNU Lesser General Public Licence as published 00011 * by the Free Software Foundation. 00012 * See the COPYING file for more information. 00013 * 00014 * 00015 ********************************************************************** 00016 * 00017 * Last port: geom/prep/PreparedLineString.java rev 1.3 (JTS-1.10) 00018 * 00019 **********************************************************************/ 00020 00021 #ifndef GEOS_GEOM_PREP_PREPAREDLINESTRING_H 00022 #define GEOS_GEOM_PREP_PREPAREDLINESTRING_H 00023 00024 #include <geos/geom/prep/BasicPreparedGeometry.h> // for inheritance 00025 #include <geos/noding/SegmentString.h> 00026 00027 namespace geos { 00028 namespace noding { 00029 class FastSegmentSetIntersectionFinder; 00030 } 00031 } 00032 00033 namespace geos { 00034 namespace geom { // geos::geom 00035 namespace prep { // geos::geom::prep 00036 00044 class PreparedLineString : public BasicPreparedGeometry 00045 { 00046 private: 00047 noding::FastSegmentSetIntersectionFinder * segIntFinder; 00048 mutable noding::SegmentString::ConstVect segStrings; 00049 00050 protected: 00051 public: 00052 PreparedLineString(const Geometry * geom) 00053 : 00054 BasicPreparedGeometry( geom), 00055 segIntFinder( NULL) 00056 { } 00057 00058 ~PreparedLineString(); 00059 00060 noding::FastSegmentSetIntersectionFinder * getIntersectionFinder(); 00061 00062 bool intersects(const geom::Geometry * g) const; 00063 00064 }; 00065 00066 } // namespace geos::geom::prep 00067 } // namespace geos::geom 00068 } // namespace geos 00069 00070 #endif // GEOS_GEOM_PREP_PREPAREDLINESTRING_H 00071 /********************************************************************** 00072 * $Log$ 00073 **********************************************************************/ 00074 00075