72 lines
2.5 KiB
C++
72 lines
2.5 KiB
C++
// Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License, version 2.0,
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// as published by the Free Software Foundation.
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//
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// This program is also distributed with certain software (including
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// but not limited to OpenSSL) that is licensed under separate terms,
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// as designated in a particular file or component or in included license
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// documentation. The authors of MySQL hereby grant you an additional
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// permission to link the program and your derivative works with the
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// separately licensed software that they have included with MySQL.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License, version 2.0, for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include "sql/gis/ring_flip_visitor.h"
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#include <boost/geometry.hpp> // boost::geometry::correct
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#include "sql/gis/geometries_cs.h"
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#include "sql/gis/geometries_traits.h"
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#include "template_utils.h"
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namespace gis {
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bool Ring_flip_visitor::visit_enter(Polygon *py) {
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if (!m_invalid) {
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try {
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switch (py->coordinate_system()) {
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case Coordinate_system::kCartesian:
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boost::geometry::correct(*down_cast<Cartesian_polygon *>(py));
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break;
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case Coordinate_system::kGeographic:
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boost::geometry::correct(*down_cast<Geographic_polygon *>(py),
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*m_geographic_strategy);
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break;
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}
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} catch (...) {
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m_invalid = true;
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}
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}
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return true; // Don't descend into each ring.
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}
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bool Ring_flip_visitor::visit_enter(Multipolygon *mpy) {
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if (!m_invalid) {
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try {
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switch (mpy->coordinate_system()) {
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case Coordinate_system::kCartesian:
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boost::geometry::correct(*down_cast<Cartesian_multipolygon *>(mpy));
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break;
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case Coordinate_system::kGeographic:
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boost::geometry::correct(*down_cast<Geographic_multipolygon *>(mpy),
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*m_geographic_strategy);
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break;
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}
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} catch (...) {
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m_invalid = true;
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}
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}
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return true; // Don't descend into each polygon.
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}
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} // namespace gis
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