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/*=========================================================================
Program: Visualization Toolkit
Module: vtkImporter.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.
=========================================================================*/
/**
* @class vtkImporter
* @brief importer abstract class
*
* vtkImporter is an abstract class that specifies the protocol for
* importing actors, cameras, lights and properties into a
* vtkRenderWindow. The following takes place:
* 1) Create a RenderWindow and Renderer if none is provided.
* 2) Call ImportBegin, if ImportBegin returns False, return
* 3) Call ReadData, which calls:
* a) Import the Actors
* b) Import the cameras
* c) Import the lights
* d) Import the Properties
* 7) Call ImportEnd
*
* Subclasses optionally implement the ImportActors, ImportCameras,
* ImportLights and ImportProperties or ReadData methods. An ImportBegin and
* ImportEnd can optionally be provided to perform Importer-specific
* initialization and termination. The Read method initiates the import
* process. If a RenderWindow is provided, its Renderer will contained
* the imported objects. If the RenderWindow has no Renderer, one is
* created. If no RenderWindow is provided, both a RenderWindow and
* Renderer will be created. Both the RenderWindow and Renderer can be
* accessed using Get methods.
*
* @sa
* vtk3DSImporter vtkExporter
*/
#ifndef vtkImporter_h
#define vtkImporter_h
#include "vtkIOImportModule.h" // For export macro
#include "vtkObject.h"
class vtkRenderWindow;
class vtkRenderer;
class VTKIOIMPORT_EXPORT vtkImporter : public vtkObject
{
public:
vtkTypeMacro(vtkImporter,vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
//@{
/**
* Get the renderer that contains the imported actors, cameras and
* lights.
*/
vtkGetObjectMacro(Renderer,vtkRenderer);
//@}
//@{
/**
* Set the vtkRenderWindow to contain the imported actors, cameras and
* lights, If no vtkRenderWindow is set, one will be created and can be
* obtained with the GetRenderWindow method. If the vtkRenderWindow has been
* specified, the first vtkRenderer it has will be used to import the
* objects. If the vtkRenderWindow has no Renderer, one will be created and
* can be accessed using GetRenderer.
*/
virtual void SetRenderWindow(vtkRenderWindow*);
vtkGetObjectMacro(RenderWindow,vtkRenderWindow);
//@}
//@{
/**
* Import the actors, cameras, lights and properties into a vtkRenderWindow.
*/
void Read();
void Update() {this->Read();};
//@}
protected:
vtkImporter();
~vtkImporter();
virtual int ImportBegin () {return 1;};
virtual void ImportEnd () {}
virtual void ImportActors (vtkRenderer*) {}
virtual void ImportCameras (vtkRenderer*) {}
virtual void ImportLights (vtkRenderer*) {}
virtual void ImportProperties (vtkRenderer*) {}
vtkRenderer *Renderer;
vtkRenderWindow *RenderWindow;
virtual void ReadData();
private:
vtkImporter(const vtkImporter&) VTK_DELETE_FUNCTION;
void operator=(const vtkImporter&) VTK_DELETE_FUNCTION;
};
#endif
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