libgofigure-dev 0.9.0-3 / usr / include / gofigure2 / QGoSynchronizedView3D.h

/*=========================================================================
 Authors: The GoFigure Dev. Team.
 at Megason Lab, Systems biology, Harvard Medical school, 2009-11

 Copyright (c) 2009-11, President and Fellows of Harvard College.
 All rights reserved.

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 nor the names of its contributors may be used to endorse or promote
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=========================================================================*/
#ifndef __QGoSynchronizedView3D_h
#define __QGoSynchronizedView3D_h

#include "itkImageToVTKImageFilter.h"
#include "itkCastImageFilter.h"
#include "itkSmartPointer.h"
#include "itkImage.h"
#include "QGoSynchronizedView.h"
#include "vtkSmartPointer.h"
#include "QGoGUILibConfigure.h"

class vtkCamera;
class vtkImageData;
class vtkEventQtSlotConnect;
class QGoImageView3D;

/**
 * \class QGoSynchronizedView3D
 * \brief class used to display a QWidget containing a two dimensional
 * vtkimagedata* or itkimage*.
 * QGoSynchronizedView3D provide the interface to synchronize cameras among
 * several GoSynchronizedView3D.
 * \example GUI/lib/qgosynchronizedview3dtest.cxx
 */
class QGOGUILIB_EXPORT QGoSynchronizedView3D:public QGoSynchronizedView
{
  Q_OBJECT
public:
  // itk typedef :
  // type of itk image for visualization
  typedef itk::Image< unsigned char, 3 > VisuImageType;
  // itk to vtk connector
  typedef itk::ImageToVTKImageFilter< VisuImageType > itkvtkConnectorType;

  explicit QGoSynchronizedView3D(QString iViewName, QWidget *iParent = 0);

  ~QGoSynchronizedView3D();

  /** Set image displayed by the SynchronizedView
   */
  void SetImage(vtkImageData *iImage);

  /** \brief Set ITK image displayed by the SynchronizedView
   */
  template< typename TPixel >
  void SetImage(typename itk::Image< TPixel, 3 >::Pointer iImage)
  {
    typedef itk::Image< TPixel, 3 > InputImageType;
    // we cast the input to have a known image to display
    typedef itk::CastImageFilter< InputImageType, VisuImageType >
    CastFilterType;
    typedef typename CastFilterType::Pointer CastFilterTypePointer;

    CastFilterTypePointer castITKFilter = CastFilterType::New();
    m_itkvtkConnector = itkvtkConnectorType::New();

    castITKFilter->SetInput(iImage);
    castITKFilter->Update();
    m_itkvtkConnector->SetInput( castITKFilter->GetOutput() );
    m_itkvtkConnector->Update();

    SetImage( m_itkvtkConnector->GetOutput() );
    Update();
  }

  /** \brief Update the viewer contained in the widget
   */
  void Update(void);

  /** \brief render the all visualizations of the
   *  viewer contained in the widget if any.
   */
  void Render(void);

  /** render the iId'th imageview:
   *  3D visualization usually contains 4 imageviewers :
   *  three 2D projection and a 3D view : iId=[0-3]
   */
  void Render(const int & iId);

  /** \brief get the camera of the current fullscreen view
  */
  vtkCamera * GetCamera(void);

  /** get the camera of the current viewer;
   *  iId=[0-3]
   */
  vtkCamera * GetCamera(const int & iId);

  /** \brief true if the widget has a viewer
   */
  bool HasViewer(void);

  /** print the SynchronizedView information :
   *  it consists in the image information if any.
   */
  void PrintOs(ostream & os);

  /** \brief returns the type of SynchronizedView (2 for 2D, 3 for 3D)
   */
  int GetSynchronizedViewType(void);

  /** Returns the QGoImageView3D* displaid.
   */
  QGoImageView3D * GetImageView();

  /** Get the fullscreen view :
   *  0 : Quadview (all 4 views)
   *  1 : XY
   *  2 : XZ
   *  3 : YZ
   *  4 : 3D view
   */
  int GetFullScreenView();

public slots:
  QString SnapshotViewXY( const GoFigure::FileType & iType,
                          const QString & iBaseName = tr("Snapshot-xy-") );

  QString SnapshotViewXZ( const GoFigure::FileType & iType,
                         const QString & iBaseName = QString("snapshot-xz-") );

  QString SnapshotViewYZ( const GoFigure::FileType & iType,
                         const QString & iBaseName = QString("snapshot-yz-") );

  QString SnapshotViewXYZ( const GoFigure::FileType & iType,
                           const QString & iBaseName = QString("snapshot-xyz-") );

  /** Set the fullscreen view : iId = [0-4]
   *  0 : Quadview (all 4 views)
   *  1 : XY
   *  2 : XZ
   *  3 : YZ
   *  4 : 3D view
   */
  void SetFullScreenView(const int & iId);

  /** Set the fullscreen view : XY
   */
  void SetFullXYScreenView();

  /** Set the fullscreen view : XZ
   */
  void SetFullXZScreenView();

  /** Set the fullscreen view : YZ
   */
  void SetFullYZScreenView();

  /** Set the fullscreen view : XYZ
   */
  void SetFullXYZScreenView();

  /** Set the fullscreen view : 3D view
   */
  void SetQuadView();

protected:

  /** delete the viewer contained in the widget
   */
  void deleteViewer(void);

  /** Create the viewer in the widget
   */
  void createViewer();

  QGoImageView3D *             m_View;
  itkvtkConnectorType::Pointer m_itkvtkConnector;
private:

  Q_DISABLE_COPY(QGoSynchronizedView3D);
};

#endif // QGoSynchronizedView3D_H