View2DCine.h

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/*************************************************************************************
**
** Copyright 2017, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
 
 
#pragma once
 
#include "SoView2DSystem.h"
 
#include <Inventor/fields/SoFields.h>
#include <Inventor/sensors/SoTimerSensor.h>
 
 
struct View2DCineParameters
{
  int startZ;
  int endZ;
  int incrementZ;
 
  int startT;
  int endT;
  int incrementT;
 
  View2DCineMode mode;
  View2DCineDir direction;
  View2DCineRepeat repeat;
  float speed;
 
  bool resetOnStart;
};
 
 
class SOVIEW2D_API View2DCine
{
public:
  View2DCine(SoSFInt32* slice, SoSFInt32* time, SoSFBool* isActive = nullptr);
  ~View2DCine();
 
  View2DCineParameters getParameters() const;
 
  const View2DCineParameters& setParameters(const View2DCineParameters& parameters);
 
  void start();
 
  void stop();
 
  void requestNextFrame();
 
  void doAnimationFrame();
 
 
private:
  int getSlice() const;
 
  void setSlice(int slice);
 
  int getTime() const;
 
  void setTime(int time);
 
  void setIsActive(bool active);
 
  static void timerSensorCB(void *data, SoSensor* a);
  void timerSensor();
 
  bool advanceZ(bool backwards, bool wrapAround);
  bool advanceT(bool backwards, bool wrapAround);
 
 
  View2DCineParameters _parameters;
 
  SoSFInt32* _slice;
  SoSFInt32* _time;
  SoSFBool* _isActive;
 
  SoTimerSensor *_timer;
 
  bool _nextFrameRequested;
  bool _backward;
};