66 lines
2.2 KiB
Plaintext
66 lines
2.2 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2008-2012 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_DATE_TIME_RANGE_H
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#define OSGEARTH_DATE_TIME_RANGE_H
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#include <osgEarth/DateTime>
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#include <osgEarth/optional>
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namespace osgEarth
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{
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/**
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* Two DateTime objects representing a temporal range.
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*/
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class OSGEARTH_EXPORT DateTimeRange
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{
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public:
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//! Start of date/time range
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optional<DateTime>& begin() { return _begin; }
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//! Start of date/time range
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const optional<DateTime>& begin() const { return _begin; }
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//! End of date/time range
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optional<DateTime>& end() { return _end; }
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//! End of date/time range
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const optional<DateTime>& end() const { return _end; }
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//! Expand the range to include a date/time
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void expandBy(const DateTime& other);
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//! Expand the range to include another date/time range
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void expandBy(const DateTimeRange& other);
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//! True is the given date/time falls within this range
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bool intersects(const DateTime& other) const;
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//! True is the given range falls within this range
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bool intersects(const DateTimeRange& other) const;
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private:
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optional<DateTime> _begin;
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optional<DateTime> _end;
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};
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} // namespace osgEarth
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#endif // OSGEARTH_DATE_TIME_RANGE_H
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