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/*=========================================================================
Program: ParaView
Module: vtkPVDataInformationHelper.h
Copyright (c) Kitware, Inc.
All rights reserved.
See Copyright.txt or http://www.paraview.org/HTML/Copyright.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 notice for more information.
=========================================================================*/
// .NAME vtkPVDataInformationHelper - allows extension of types that
// PVDataInformation can handle
//
// .SECTION Description
// Plugins can subclass this and call vtkPVDataInformation::RegisterHelper()
// in order to allow vtkPVDataInformation (and thus ParaView) to handle new
// data types.
#ifndef vtkPVDataInformationHelper_h
#define vtkPVDataInformationHelper_h
#include "vtkPVClientServerCoreCoreModule.h" //needed for exports
#include "vtkObject.h"
class vtkPVDataInformation;
class vtkDataObject;
class VTKPVCLIENTSERVERCORECORE_EXPORT vtkPVDataInformationHelper : public vtkObject
{
public:
vtkTypeMacro(vtkPVDataInformationHelper, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent);
//Description:
//This class is a friend of PVDI, so the work of copying
//into self happens here.
void CopyFromDataObject(vtkPVDataInformation *self,
vtkDataObject* data);
virtual const char* GetPrettyDataTypeString() = 0;
protected:
vtkPVDataInformationHelper();
~vtkPVDataInformationHelper();
vtkDataObject *Data; //not reference counted
virtual bool ValidateType(vtkDataObject *data) = 0;
//API to access information from data that I fill the
//PVDataInformation I am friend of with.
virtual double *GetBounds() = 0;
virtual int GetNumberOfDataSets() = 0;
virtual vtkTypeInt64 GetNumberOfCells() = 0;
virtual vtkTypeInt64 GetNumberOfPoints() = 0;
virtual vtkTypeInt64 GetNumberOfRows() = 0;
private:
vtkPVDataInformationHelper(const vtkPVDataInformationHelper&); // Not implemented
void operator=(const vtkPVDataInformationHelper&); // Not implemented
};
#endif
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