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# RectangleIntersects.h

    00001 /**********************************************************************
    00002  * $Id: RectangleIntersects.h 2781 2009-12-03 19:48:04Z mloskot $
    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  * Last port: operation/predicate/RectangleIntersects.java rev 1.4 (JTS-1.10)
    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
    00048 class GEOS_DLL RectangleIntersects {
    00049
    00050 private:
    00051
    00052         const geom::Polygon &rectangle;
    00053
    00054         const geom::Envelope &rectEnv;
    00055
    00056     // Declare type as noncopyable
    00057     RectangleIntersects(const RectangleIntersects& other);
    00058     RectangleIntersects& operator=(const RectangleIntersects& rhs);
    00059
    00060 public:
    00061
    00069         static const size_t MAXIMUM_SCAN_SEGMENT_COUNT;
    00070
    00076         RectangleIntersects(const geom::Polygon &newRect)
    00077                 :
    00078                 rectangle(newRect),
    00079                 rectEnv(*(newRect.getEnvelopeInternal()))
    00080         {}
    00081
    00082         bool intersects(const geom::Geometry& geom);
    00083
    00084         static bool intersects(const geom::Polygon &rectangle,
    00085                         const geom::Geometry &b)
    00086         {
    00087                 RectangleIntersects rp(rectangle);
    00088                 return rp.intersects(b);
    00089         }
    00090
    00091 };
    00092
    00093
    00094 } // namespace geos::operation::predicate
    00095 } // namespace geos::operation
    00096 } // namespace geos
    00097
    00098 #endif // ifndef GEOS_OP_PREDICATE_RECTANGLEINTERSECTS_H