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// Copyright (c) 2017, 2025, Oracle and/or its affiliates.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License, version 2.0,
// as published by the Free Software Foundation.
//
// This program is designed to work with certain software (including
// but not limited to OpenSSL) that is licensed under separate terms,
// as designated in a particular file or component or in included license
// documentation. The authors of MySQL hereby grant you an additional
// permission to link the program and your derivative works with the
// separately licensed software that they have either included with
// the program or referenced in the documentation.
//
// This program 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 General Public License, version 2.0, for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
/// @file
///
/// This file implements the covered_by functor and mbr_covered_by function.
#include <boost/geometry.hpp>
#include "sql/dd/types/spatial_reference_system.h" // dd::Spatial_reference_system
#include "sql/gis/box.h"
#include "sql/gis/box_traits.h"
#include "sql/gis/covered_by_functor.h"
#include "sql/gis/geometries.h"
#include "sql/gis/geometries_traits.h"
#include "sql/gis/mbr_utils.h"
#include "sql/gis/relops.h"
#include "sql/sql_exception_handler.h" // handle_gis_exception
namespace bg = boost::geometry;
namespace gis {
Covered_by::Covered_by(double semi_major, double semi_minor)
: m_semi_major(semi_major), m_semi_minor(semi_minor) {}
bool Covered_by::operator()(const Geometry *g1, const Geometry *g2) const {
return apply(*this, g1, g2);
}
bool Covered_by::operator()(const Box *b1, const Box *b2) const {
assert(b1->coordinate_system() == b2->coordinate_system());
switch (b1->coordinate_system()) {
case Coordinate_system::kCartesian:
return eval(down_cast<const Cartesian_box *>(b1),
down_cast<const Cartesian_box *>(b2));
case Coordinate_system::kGeographic:
return eval(down_cast<const Geographic_box *>(b1),
down_cast<const Geographic_box *>(b2));
}
assert(false);
return false;
}
bool Covered_by::eval(const Geometry *g1, const Geometry *g2) const {
// Currently only implemented for boxes (MBRs).
assert(false);
throw not_implemented_exception::for_non_projected(*g1, *g2);
}
//////////////////////////////////////////////////////////////////////////////
// covered_by(Box, Box)
bool Covered_by::eval(const Cartesian_box *b1, const Cartesian_box *b2) const {
return bg::covered_by(*b1, *b2);
}
bool Covered_by::eval(const Geographic_box *b1,
const Geographic_box *b2) const {
return bg::covered_by(*b1, *b2);
}
//////////////////////////////////////////////////////////////////////////////
bool mbr_covered_by(const dd::Spatial_reference_system *srs, const Geometry *g1,
const Geometry *g2, const char *func_name, bool *covered_by,
bool *null) noexcept {
try {
assert(g1->coordinate_system() == g2->coordinate_system());
assert(srs == nullptr ||
((srs->is_cartesian() &&
g1->coordinate_system() == Coordinate_system::kCartesian) ||
(srs->is_geographic() &&
g1->coordinate_system() == Coordinate_system::kGeographic)));
if ((*null = (g1->is_empty() || g2->is_empty()))) return false;
Covered_by covered_by_func(srs ? srs->semi_major_axis() : 0.0,
srs ? srs->semi_minor_axis() : 0.0);
switch (g1->coordinate_system()) {
case Coordinate_system::kCartesian: {
Cartesian_box mbr1;
box_envelope(g1, srs, &mbr1);
Cartesian_box mbr2;
box_envelope(g2, srs, &mbr2);
*covered_by = covered_by_func(&mbr1, &mbr2);
break;
}
case Coordinate_system::kGeographic: {
Geographic_box mbr1;
box_envelope(g1, srs, &mbr1);
Geographic_box mbr2;
box_envelope(g2, srs, &mbr2);
*covered_by = covered_by_func(&mbr1, &mbr2);
break;
}
}
} catch (...) {
handle_gis_exception(func_name);
return true;
}
return false;
}
} // namespace gis
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