qgscamerapose.h

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/***************************************************************************
  qgscamerapose.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 QGSCAMERAPOSE_H
#define QGSCAMERAPOSE_H

#include "qgis_3d.h"

#include "qgsvector3d.h"

namespace Qt3DRender
{
  class QCamera;
}

class QDomDocument;
class QDomElement;

class _3D_EXPORT QgsCameraPose
{
  public:

    QgsVector3D centerPoint() const { return mCenterPoint; }
    void setCenterPoint( const QgsVector3D &point ) { mCenterPoint = point; }

    float distanceFromCenterPoint() const { return mDistanceFromCenterPoint; }
    void setDistanceFromCenterPoint( float distance ) { mDistanceFromCenterPoint = distance; }

    float pitchAngle() const { return mPitchAngle; }
    void setPitchAngle( float pitch ) { mPitchAngle = pitch; }

    float headingAngle() const { return mHeadingAngle; }
    void setHeadingAngle( float heading ) { mHeadingAngle = heading; }

    void updateCamera( Qt3DRender::QCamera *camera );

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

    bool operator==( const QgsCameraPose &other ) const
    {
      return mCenterPoint == other.mCenterPoint &&
             mDistanceFromCenterPoint == other.mDistanceFromCenterPoint &&
             mPitchAngle == other.mPitchAngle &&
             mHeadingAngle == other.mHeadingAngle;
    }
    bool operator!=( const QgsCameraPose &other ) const
    {
      return !operator==( other );
    }

  private:
    QgsVector3D mCenterPoint;
    float mDistanceFromCenterPoint = 1000;
    float mPitchAngle = 0;
    float mHeadingAngle = 0;
};


#endif // QGSCAMERAPOSE_H