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RectangleIntersects.h

00001 /**********************************************************************
00002  *
00003  * GEOS - Geometry Engine Open Source
00004  * http://geos.refractions.net
00005  *
00006  * Copyright (C) 2011 Sandro Santilli <strk@keybit.net>
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  * Last port: operation/predicate/RectangleIntersects.java r378 (JTS-1.12)
00017  *
00018  **********************************************************************/
00019 
00020 #ifndef GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H
00021 #define GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H
00022 
00023 #include <geos/export.h>
00024 
00025 #include <geos/geom/Polygon.h> // for inlines
00026 
00027 // Forward declarations
00028 namespace geos {
00029         namespace geom {
00030                 class Envelope;
00031                 //class Polygon;
00032         }
00033 }
00034 
00035 namespace geos {
00036 namespace operation { // geos::operation
00037 namespace predicate { // geos::operation::predicate
00038 
00052 class GEOS_DLL RectangleIntersects {
00053 
00054 private:
00055 
00056         const geom::Polygon &rectangle;
00057 
00058         const geom::Envelope &rectEnv;
00059 
00060     // Declare type as noncopyable
00061     RectangleIntersects(const RectangleIntersects& other);
00062     RectangleIntersects& operator=(const RectangleIntersects& rhs);
00063 
00064 public:
00065 
00071         RectangleIntersects(const geom::Polygon &newRect)
00072                 :
00073                 rectangle(newRect),
00074                 rectEnv(*(newRect.getEnvelopeInternal()))
00075         {}
00076 
00077         bool intersects(const geom::Geometry& geom);
00078 
00086         static bool intersects(const geom::Polygon &rectangle,
00087                         const geom::Geometry &b)
00088         {
00089                 RectangleIntersects rp(rectangle); 
00090                 return rp.intersects(b);
00091         }
00092 
00093 };
00094 
00095 
00096 } // namespace geos::operation::predicate
00097 } // namespace geos::operation
00098 } // namespace geos
00099 
00100 #endif // ifndef GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H

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