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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.
=========================================================================*/
// .NAME vtkImporter - importer abstract class
// .SECTION Description
// 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.
// .SECTION See Also
// 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);
// Description
// Get the renderer that contains the imported actors, cameras and
// lights.
vtkGetObjectMacro(Renderer,vtkRenderer);
// Description
// 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);
// Description
// 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&); // Not implemented.
void operator=(const vtkImporter&); // Not implemented.
};
#endif
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