/*=========================================================================
                                                                                
  Program:   bbtk
  Module:    $RCSfile: bbwxvtkMIPViewer.h,v $
  Language:  C++
  Date:      $Date: 2008/03/03 13:14:27 $
  Version:   $Revision: 1.1 $
                                                                                
  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
  l'Image). All rights reserved. See Doc/License.txt or
  http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
                                                                                
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.
                                                                                
=========================================================================*//**
 * \brief Short description in one line
 * 
 * Long description which 
 * can span multiple lines
 */
/**
 * \file 
 * \brief Pattern for the definition of a new type of Node (header)
 */
/**
 * \class bbtk::NodePatern 
 * \brief Pattern for the definition of a new type of Node 
 */


#ifdef _USE_WXWIDGETS_
#ifdef _USE_VTK_


#ifndef __bbwxvtkMIPViewer_h_INCLUDED__
#define __bbwxvtkMIPViewer_h_INCLUDED__

#include "vtkImageData.h"
#include "vtkImageViewer2.h"

#include "bbtkWxBlackBox.h"
#include "wxVTKRenderWindowInteractor.h"

#include <vtkImageShiftScale.h>
#include <vtkVolumeRayCastMIPFunction.h>
#include <vtkVolumeRayCastMapper.h>
#include <vtkVolume.h>
#include <vtkActor.h>
#include <vtkCamera.h>

namespace bbwxvtk
{

  class MIPViewer; 

  //--------------------------------------------------------------------------
  class MIPViewerWidget : public wxPanel
  {
  public:
    MIPViewerWidget(MIPViewer* box, wxWindow *parent);
    ~MIPViewerWidget();
    void Update();   
    vtkRenderWindowInteractor* GetInteractor() { return mRenderWindowInteractor; }
  private:
    MIPViewer              *mBox;
    vtkImageData	   *mImageData;
    
    wxVTKRenderWindowInteractor  *mRenderWindowInteractor;

    /*
    vtkContourFilter* mContourFilter;
    vtkSmoothPolyDataFilter* mSmoothPolyDataFilter;
    vtkPolyDataNormals* mPolyDataNormals;
    vtkPolyDataMapper* mPolyDataMapper;
    */
    vtkImageShiftScale* mCast;
    vtkVolumeRayCastMIPFunction* mMIP;
    vtkVolumeRayCastMapper* mMapper;

    vtkVolume* mActor;
    vtkCamera* mCamera;
    vtkRenderer* mRenderer;
    vtkRenderWindow* mRenderWindow;
 };
  
  //------------------------------------------------------------------------
  //------------------------------------------------------------------------
  //------------------------------------------------------------------------
  
  class /*BBTK_EXPORT*/ MIPViewer : public bbtk::WxBlackBox
  {    
    BBTK_USER_BLACK_BOX_INTERFACE(MIPViewer,bbtk::WxBlackBox);
    //    BBTK_DECLARE_INPUT(Contour,int);
    BBTK_DECLARE_INPUT(In,vtkImageData *);
    BBTK_DECLARE_INPUT(Shift,int);
    BBTK_DECLARE_INPUT(Scale,float);
    BBTK_DECLARE_OUTPUT(Interactor,vtkRenderWindowInteractor*);
    BBTK_PROCESS(Process);
    void Process();
    BBTK_CREATE_WIDGET(CreateWidget);
    void CreateWidget();
  };
   
  //=================================================================
  // UserBlackBox description
  BBTK_BEGIN_DESCRIBE_BLACK_BOX(MIPViewer,bbtk::WxBlackBox);
  BBTK_NAME("MIPViewer");
  BBTK_AUTHOR("laurent.guigues@creatis.insa-lyon.fr");
  BBTK_DESCRIPTION("Maximum Intensity Projection (MIP) view of a 3D image");
  BBTK_CATEGORY("viewer");
  BBTK_INPUT(MIPViewer,Shift,"Gray scale shift",int);
  BBTK_INPUT(MIPViewer,Scale,"Gray scale scaling",float);
  BBTK_INPUT(MIPViewer,In,"Input Image",vtkImageData *);
  BBTK_OUTPUT(MIPViewer,Interactor,"Interactor",vtkRenderWindowInteractor *);
  BBTK_END_DESCRIBE_BLACK_BOX(MIPViewer);
  //=================================================================


}//namespace bbwxvtk

#endif  //__bbtwxvtkMIPViewer_h__

#endif //_USE_VTK_
#endif //_USE_WXWIDGETS_