mlVTKCommonWrappers.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#pragma once
 
// Include dll-specific settings.
#include "mlInitSystemVTKSupport.h"
#include "mlVTKMLBaseWrapper.h"
 
#include <vtkObject.h>
#include <vtkDataObject.h>
#include <vtkActor.h>
#include <vtkMapper.h>
#include <vtkRenderer.h>
#include <vtkAlgorithm.h>

typedef vtkObject vtkObjectType;
 
ML_START_NAMESPACE

MLVTK_SUPPORT_EXPORT vtkObject* checkPointer(const std::string &reqConnectType, 
                                             vtkObject         *vtkObjPtr);
 
/* The same as template function */
template<class T>
T* checkObject(vtkObject* vtkObjPtr)
{
  if (auto result1 = T::SafeDownCast(vtkObjPtr)) {
    return result1;
  }
  else if (auto algo = vtkAlgorithm::SafeDownCast(vtkObjPtr)) {
 
    // Get number of output ports. Are there one or more outputs?
    int numAlgoOutputs = algo->GetNumberOfOutputPorts();
 
    // Check all outputs and take the first fitting one.
    for (int i = 0; i < numAlgoOutputs; ++i) {
      if (auto safeOutput = T::SafeDownCast(algo->GetOutputDataObject(i))) {
        return safeOutput;
      }
    }
  }
  return nullptr; // nothing fits
}
 
 

MLVTK_SUPPORT_EXPORT int VTKCommonTypesAndWrappersInit();
 
ML_END_NAMESPACE