mitkCameraController.h

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/*===================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center,
Division of Medical and Biological Informatics.
All rights reserved.

This software is distributed WITHOUT ANY WARRANTY; without
even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE.

See LICENSE.txt or http://www.mitk.org for details.

===================================================================*/

#ifndef CAMERACONTROLLER_H_HEADER_INCLUDED_C1C53722
#define CAMERACONTROLLER_H_HEADER_INCLUDED_C1C53722

#include "mitkBaseController.h"
#include <MitkCoreExports.h>

namespace mitk
{
  class KeyEvent;

  //##Documentation
  //## @brief controls the camera used by the associated BaseRenderer
  //##
  //## Subclass of BaseController. Controls the camera used by the associated
  //## BaseRenderer.
  //## @ingroup NavigationControl
  class MITKCORE_EXPORT CameraController : public BaseController
  {
  public:
    enum StandardView
    {
      ANTERIOR,
      POSTERIOR,
      SINISTER,
      DEXTER,
      CRANIAL,
      CAUDAL
    };

    mitkClassMacro(CameraController, BaseController);
    // mitkNewMacro1Param(Self, const char*);
    itkNewMacro(Self);

    void SetRenderer(const BaseRenderer *renderer) { m_Renderer = renderer; };
    itkGetConstMacro(Renderer, const BaseRenderer *);

    virtual void SetViewToAnterior();
    virtual void SetViewToPosterior();
    virtual void SetViewToSinister();
    virtual void SetViewToDexter();
    virtual void SetViewToCranial();
    virtual void SetViewToCaudal();
    virtual void SetStandardView(StandardView view);

    void Fit();

    void SetScaleFactorInMMPerDisplayUnit(ScalarType scale);

    void MoveCameraToPoint(const Point2D &planePoint);

    void MoveBy(const Vector2D &moveVectorInMM);

    void Zoom(ScalarType factor, const Point2D &zoomPointInMM);

    Point2D GetCameraPositionOnPlane();

    void AdjustCameraToPlane();

  protected:
    CameraController();

    virtual ~CameraController();
    const BaseRenderer *m_Renderer;

    ScalarType ComputeMaxParallelScale();

  private:
    void AdjustCameraToPlane(const Point2D &PlanePoint);

    void AdjustConstrainedCameraPosition(Point2D &planePoint);
  };

} // namespace mitk

#endif /* CAMERACONTROLLER_H_HEADER_INCLUDED_C1C53722 */