72 lines
2.2 KiB
Plaintext
72 lines
2.2 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 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_TIME_CONTROL_H
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#define OSGEARTH_TIME_CONTROL_H 1
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#include <osgEarth/Common>
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#include <osg/FrameStamp>
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#include <vector>
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#include <string>
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namespace osgEarth
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{
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/**
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* Information about one of the frames in a sequence.
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*/
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struct SequenceFrameInfo
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{
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std::string timeIdentifier;
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};
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/**
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* Interface to an object that is subject to time controls.
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* Pure virtual.
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*/
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class SequenceControl
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{
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public:
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/** Whether the implementation supports these methods */
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virtual bool supportsSequenceControl() const =0;
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/** Starts playback */
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virtual void playSequence() =0;
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/** Stops playback */
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virtual void pauseSequence() =0;
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/** Seek to a specific frame */
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virtual void seekToSequenceFrame(unsigned frame) =0;
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/** Whether the object is in playback mode */
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virtual bool isSequencePlaying() const =0;
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/** Gets data about the current frame in the sequence */
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virtual const std::vector<SequenceFrameInfo>& getSequenceFrameInfo() const =0;
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/** Gets the index of the current frame. */
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virtual int getCurrentSequenceFrameIndex( const osg::FrameStamp* ) const =0;
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};
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}
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#endif // OSGEARTH_TIME_CONTROL_H
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