SoImageVizEngineOutput.h

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**=======================================================================*/
/*=======================================================================
** Author      : David Beilloin (Sep 2013)
**=======================================================================*/
#ifndef _SO_IMAGE_PROCESSING_OUTPUT_H_
#define _SO_IMAGE_PROCESSING_OUTPUT_H_
 
#include <ImageViz/SoImageViz.h>
 
#include <Inventor/engines/SoEngine.h>
#include <Inventor/errors/SoDebugError.h>
 
#include <Inventor/fields/SoMFVec2f.h>
#include <Inventor/fields/SoMFVec3f.h>
 
 
#ifndef HIDDEN_FROM_DOC
 
template<class OutputFieldType, class OutputType>class SoDEPRECATED ImageVizEngineOutputHelper
{
public:
  static OutputType getValue(const OutputFieldType *field)
  {
    return static_cast<OutputType> ( field->getValue() );
  }
};
 
#endif// HIDDEN_FROM_DOC
 
 
template <typename OutputFieldType, typename OutputType>class SoDEPRECATED SoImageVizEngineOutput : public SoEngineOutput
{
public:
 
  SoImageVizEngineOutput()
  {}
 
  virtual ~SoImageVizEngineOutput()
  {}
 
  OutputType getValue() const
  {
    assert(getContainer()!=NULL);
    getContainer()->evaluateWrapper();
    return ImageVizEngineOutputHelper<OutputFieldType, OutputType>::getValue(&m_data);
  }
 
  void  setValue(OutputType value)
  {
    m_data.setValue( value );
  }
 
SoINTERNAL private:
  virtual bool updateConnection()
  {
    if (isEnabled())
    {
      SoFieldList connectedFieldList;
      int numConnectedField = getForwardConnections(connectedFieldList);
      for (int connectionIdx=0;connectionIdx<numConnectedField;++connectionIdx)
      {
        OutputFieldType* connectedField = dynamic_cast<OutputFieldType*>(connectedFieldList[connectionIdx]);
        if ( connectedField ) 
        {
          if ( !connectedField->isReadOnly() )
            connectedField->copyFrom(m_data);
        }
#if defined(_DEBUG)
        else
          SoDebugError::post(OIV_FUNCTION,"Invalid connection Field Type.");
#endif // _DEBUG
      }
    }
    return true;
  }
 
private:
  // Store the cached output
  OutputFieldType m_data;
 
  friend class SoImageVizEngineOutputPrivateAccessor;
};
 
template <typename OutputFieldType, typename OutputType>class SoDEPRECATED SoImageVizEngineMFieldOutput : public SoEngineOutput
{
public:
 
  SoImageVizEngineMFieldOutput()
  {}
 
  virtual ~SoImageVizEngineMFieldOutput()
  {}
 
  OutputType getValue() const
  {
    assert( getContainer() != NULL );
    getContainer()->evaluateWrapper();
    return static_cast< OutputType>( m_data.getValues( 0 ) );
  }
 
  size_t getSize() const
  {
    assert( getContainer() != NULL );
    getContainer()->evaluateWrapper();
    return m_data.getNum();
  }
 
  void  setValue( OutputType value, int size )
  {
    m_data.deleteValues( 0 );
    m_data.setValues( 0, size, value );
  }
 
 
SoINTERNAL private:
  virtual bool updateConnection()
  {
    if ( isEnabled() )
    {
      SoFieldList connectedFieldList;
      int numConnectedField = getForwardConnections( connectedFieldList );
      for ( int connectionIdx = 0; connectionIdx < numConnectedField; ++connectionIdx )
      {
        OutputFieldType* connectedField = dynamic_cast<OutputFieldType*>( connectedFieldList[connectionIdx] );
        if ( connectedField )
        {
          if ( !connectedField->isReadOnly() )
            connectedField->copyFrom( m_data );
        }
#if defined(_DEBUG)
        else
          SoDebugError::post( __FUNCTION__, "Invalid connection Field Type." );
#endif // _DEBUG
      }
    }
    return true;
  }
 
private:
  // Store the cached output
  OutputFieldType m_data;
 
  friend class SoImageVizEngineMFieldOutputPrivateAccessor;
};
 
 
#endif