SignMRMLCameraNodeHelper.h

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/*
 *
 * Program:   Slicer Image-Guided Navigator (The SIGN)
 * Module:    $RCSfile: SignMRMLCameraNodeHelper.h,v $
 */
#ifndef _SIGNMRMLCAMERANODEHELPER_H
#define _SIGNMRMLCAMERANODEHELPER_H
#include <SignDLL.h>
#include <SignMRMLNodeHelper.h>

class vtkTransform;
class vtkCamera;
class vtkRenderWindow;
class SignContext;
class SignSink;
class Sign3DViewer;

class SIGN_EXPORT SignMRMLCameraNodeHelper : public SignMRMLNodeHelper
{
 public:
  SignMRMLCameraNodeHelper(SignMRMLScene* scene_);
  virtual ~SignMRMLCameraNodeHelper();

  virtual void Setup(SignContext *context);
  virtual void SetInputData(SignSink *sink);
  virtual void SetUserTransform(vtkTransform *transform);

 private:
  vtkTransform* invTrans;
  vtkCamera* cam;
  vtkRenderWindow* renWin;
  Sign3DViewer* viewer;
};

#endif

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