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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.
=========================================================================*/
/**
* @class vtkPVDataInformationHelper
* @brief allows extension of types that
* PVDataInformation can handle
*
*
* 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 "vtkObject.h"
#include "vtkPVClientServerCoreCoreModule.h" //needed for exports
class vtkPVDataInformation;
class vtkDataObject;
class VTKPVCLIENTSERVERCORECORE_EXPORT vtkPVDataInformationHelper : public vtkObject
{
public:
vtkTypeMacro(vtkPVDataInformationHelper, vtkObject);
void PrintSelf(ostream& os, vtkIndent indent) VTK_OVERRIDE;
/**
* 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&) VTK_DELETE_FUNCTION;
void operator=(const vtkPVDataInformationHelper&) VTK_DELETE_FUNCTION;
};
#endif
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