EVOLUTION-MANAGER

Edit File: RectangleContains.h

/**********************************************************************
 *
 * 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/predicate/RectangleContains.java rev 1.5 (JTS-1.10)
 *
 **********************************************************************/

#ifndef GEOS_OP_PREDICATE_RECTANGLECONTAINS_H
#define GEOS_OP_PREDICATE_RECTANGLECONTAINS_H

#include <geos/export.h>

#include <geos/geom/Polygon.h> // for inlines

// Forward declarations
namespace geos {
namespace geom {
class Envelope;
class Geometry;
class Point;
class Coordinate;
class LineString;
//class Polygon;
}
}

namespace geos {
namespace operation { // geos::operation
namespace predicate { // geos::operation::predicate

/** \brief
 * Optimized implementation of spatial predicate "contains"
 * for cases where the first Geometry is a rectangle.
 *
 * As a further optimization,
 * this class can be used directly to test many geometries against a single
 * rectangle.
 *
 */
class GEOS_DLL RectangleContains {

private:

const geom::Envelope& rectEnv;

bool isContainedInBoundary(const geom::Geometry& geom);

bool isPointContainedInBoundary(const geom::Point& geom);

/** \brief
     * Tests if a point is contained in the boundary of the target
     * rectangle.
     *
     * @param pt the point to test
     * @return true if the point is contained in the boundary
     */
    bool isPointContainedInBoundary(const geom::Coordinate& pt);

/** \brief
     * Tests if a linestring is completely contained in the boundary
     * of the target rectangle.
     *
     * @param line the linestring to test
     * @return true if the linestring is contained in the boundary
     */
    bool isLineStringContainedInBoundary(const geom::LineString& line);

/** \brief
     * Tests if a line segment is contained in the boundary of the
     * target rectangle.
     *
     * @param p0 an endpoint of the segment
     * @param p1 an endpoint of the segment
     * @return true if the line segment is contained in the boundary
     */
    bool isLineSegmentContainedInBoundary(const geom::Coordinate& p0,
                                          const geom::Coordinate& p1);

public:

static bool
    contains(const geom::Polygon& rect, const geom::Geometry& b)
    {
        RectangleContains rc(rect);
        return rc.contains(b);
    }

/**
     * Create a new contains computer for two geometries.
     *
     * @param rect a rectangular geometry
     */
    RectangleContains(const geom::Polygon& rect)
        :
        rectEnv(*(rect.getEnvelopeInternal()))
    {}

bool contains(const geom::Geometry& geom);

// Declare type as noncopyable
    RectangleContains(const RectangleContains& other) = delete;
    RectangleContains& operator=(const RectangleContains& rhs) = delete;
};

} // namespace geos::operation::predicate
} // namespace geos::operation
} // namespace geos

#endif // ifndef GEOS_OP_PREDICATE_RECTANGLECONTAINS_H