qgs3danimationsettings.h

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/***************************************************************************
  qgs3danimationsettings.h
  --------------------------------------
  Date                 : July 2018
  Copyright            : (C) 2018 by Martin Dobias
  Email                : wonder dot sk at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef QGS3DANIMATIONSETTINGS_H
#define QGS3DANIMATIONSETTINGS_H

#include "qgsvector3d.h"
#include "qgis_3d.h"

#include <QEasingCurve>
#include <QVector>

class QDomDocument;
class QDomElement;
class QgsReadWriteContext;

class _3D_EXPORT Qgs3DAnimationSettings
{
  public:
    Qgs3DAnimationSettings();

    struct Keyframe
    {
      float time = 0;    
      QgsVector3D point; 
      float dist = 0;    
      float pitch = 0;   
      float yaw = 0;     
    };

    typedef QVector<Keyframe> Keyframes;

    void setKeyframes( const Keyframes &keyframes ) { mKeyframes = keyframes; }
    Keyframes keyFrames() const { return mKeyframes; }

    void setEasingCurve( const QEasingCurve &curve ) { mEasingCurve = curve; }
    QEasingCurve easingCurve() const { return mEasingCurve; }

    float duration() const;

    Keyframe interpolate( float time ) const;

    void readXml( const QDomElement &elem );
    QDomElement writeXml( QDomDocument &doc ) const;

  private:
    Keyframes mKeyframes;
    QEasingCurve mEasingCurve;
};

Q_DECLARE_METATYPE( Qgs3DAnimationSettings::Keyframe )

#endif // QGS3DANIMATIONSETTINGS_H