mapnik/plugins/input/geos/geos_feature_ptr.hpp
2010-11-12 21:18:53 +00:00

67 lines
1.6 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2010 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id$
#ifndef GEOS_FEATURE_PTR_HPP
#define GEOS_FEATURE_PTR_HPP
// geos
#include <geos_c.h>
class geos_feature_ptr
{
public:
geos_feature_ptr ()
: feat_ (NULL)
{
}
explicit geos_feature_ptr (GEOSGeometry* const feat)
: feat_ (feat)
{
}
~geos_feature_ptr ()
{
if (feat_ != NULL)
GEOSGeom_destroy(feat_);
}
void set_feature (GEOSGeometry* const feat)
{
if (feat_ != NULL)
GEOSGeom_destroy(feat_);
feat_ = feat;
}
GEOSGeometry* operator*()
{
return feat_;
}
private:
GEOSGeometry* feat_;
};
#endif // GEOS_FEATURE_PTR_HPP