dox/Views/vtkView.h

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

  Program:   Visualization Toolkit
  Module:    vtkView.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm 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 notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef __vtkView_h
#define __vtkView_h

#include "vtkObject.h"

class vtkAlgorithmOutput;
class vtkCommand;
class vtkDataObject;
class vtkDataRepresentation;
class vtkSelection;
class vtkViewTheme;

class VTK_VIEWS_EXPORT vtkView : public vtkObject
{
public:
  static vtkView *New();
  vtkTypeMacro(vtkView, vtkObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  void AddRepresentation(vtkDataRepresentation* rep);
  
  void SetRepresentation(vtkDataRepresentation* rep);
 
  vtkDataRepresentation* AddRepresentationFromInputConnection(vtkAlgorithmOutput* conn);

  vtkDataRepresentation* SetRepresentationFromInputConnection(vtkAlgorithmOutput* conn);

  vtkDataRepresentation* AddRepresentationFromInput(vtkDataObject* input);

  vtkDataRepresentation* SetRepresentationFromInput(vtkDataObject* input);

  void RemoveRepresentation(vtkDataRepresentation* rep);

  void RemoveRepresentation(vtkAlgorithmOutput* rep);
  
  void RemoveAllRepresentations(); 

  int GetNumberOfRepresentations();

  vtkDataRepresentation* GetRepresentation(int index = 0);

  bool IsRepresentationPresent(vtkDataRepresentation* rep);

  virtual void Update();
  
  virtual void ApplyViewTheme(vtkViewTheme* vtkNotUsed(theme)) { }

  //BTX
  vtkCommand* GetObserver();


  class ViewProgressEventCallData
    {
    const char* Message;
    double Progress;

  public:
    ViewProgressEventCallData(const char* msg, double progress)
      {
      this->Message = msg;
      this->Progress = progress;
      }
    ~ViewProgressEventCallData()
      {
      this->Message = 0;
      }


    const char* GetProgressMessage() const
      { return this->Message; }


    double GetProgress() const
      { return this->Progress; }
    };
  //ETX
  
  void RegisterProgress(vtkObject* algorithm, const char* message=NULL);

  void UnRegisterProgress(vtkObject* algorithm);

//BTX
protected:
  vtkView();
  ~vtkView();
  

  virtual void ProcessEvents(vtkObject* caller, unsigned long eventId, 
    void* callData);
    

  virtual void AddInputConnection(
    vtkAlgorithmOutput* vtkNotUsed(conn),
    vtkAlgorithmOutput* vtkNotUsed(selectionConn)) { }
  

  virtual void RemoveInputConnection(
    vtkAlgorithmOutput* vtkNotUsed(conn),
    vtkAlgorithmOutput* vtkNotUsed(selectionConn)) { }
  
  virtual vtkDataRepresentation* CreateDefaultRepresentation(vtkAlgorithmOutput* conn);


  virtual void AddRepresentationInternal(vtkDataRepresentation* vtkNotUsed(rep)) {}
  virtual void RemoveRepresentationInternal(vtkDataRepresentation* vtkNotUsed(rep)) {}


  vtkSetMacro(ReuseSingleRepresentation, bool);
  vtkGetMacro(ReuseSingleRepresentation, bool);
  vtkBooleanMacro(ReuseSingleRepresentation, bool);
  bool ReuseSingleRepresentation;
  
private:
  vtkView(const vtkView&);  // Not implemented.
  void operator=(const vtkView&);  // Not implemented.

  class vtkImplementation;
  vtkImplementation* Implementation;

  class Command;
  friend class Command;
  Command* Observer;

  class vtkInternal;
  vtkInternal* Internal;
//ETX
};

#endif

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