mlLUTFunction.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
**
**************************************************************************************/
 
#ifndef ML_LUTFUNCTION_H
#define ML_LUTFUNCTION_H
 

 
#include "mlLUTSystem.h"
#include "mlLUTBasic.h"
#include "mlLUTData.h"
#include "mlLUTIterator.h"
 
// ML includes
#include "mlBase.h"
 
 
ML_START_NAMESPACE

#define ML_LUT_NATIVE_MINMAX_DOUBLE 1

class MLLUT_EXPORT LUTFunction : public Base
{
public:

  LUTFunction (LUTVisualType vt, bool relative)
    : _visualType(vt), _relative(relative) {}
 


  virtual bool isValid (void) const { return true; }

  virtual LUTVisualType getVisualType (void) const { return _visualType; }

  virtual bool isRelative (void) const { return _relative; }

  virtual void setRelative (bool relative) { _relative = relative; changed(); }

  virtual LUTDimensionality getDimensionality (void) const
  { return (getDepth() > 1) ? LUT_3D : (getHeight() > 1) ? LUT_2D : LUT_1D; }

  virtual double getNativeMinIndex (void) const { return 0; }

  virtual double getNativeMaxIndex (void) const { return 1; }

  virtual int getHeight (void) const { return 1; }

  virtual int getDepth (void) const { return 1; }

  virtual double getNativeMinValue (void) const { return 0; }

  virtual double getNativeMaxValue (void) const { return 1; }

  unsigned int getId (void) const { return _id; }

 


  virtual bool render (LUTDataBase *lutData) const;

  virtual bool renderRescaled (LUTDataBase *lutData, double minIndex, double maxIndex) const;


  void changed (void);

  static unsigned int generateUniqueId (void);

  void overwriteUniqueId(unsigned int newId);
 
protected:


  virtual LUTVisualType getRenderType (LUTDataBase * /*lutData*/) const { return _visualType; }

  virtual bool renderLUTNative (LUTDataBase *lutData, LUTIteratorBase *lutIterator) const = 0;

  virtual bool renderLUTRescaled (LUTDataBase *lutData, LUTIteratorBase *lutIterator,
                                  double minIndex, double maxIndex) const;

 

  template <typename T>
  bool renderT (LUTData<T> *lutData, bool rescaled, double minIndex, double maxIndex) const;

  template <typename T>
  bool interpolateLUT (LUTData<T> *lutData, LUTIterator<T> *lutIterator,
                       double minIndex, double maxIndex) const;
 
 

  LUTVisualType _visualType;

  bool _relative;

  unsigned int _id;
 

  static unsigned int _gNextId;
 
 
  ML_ABSTRACT_CLASS_HEADER(LUTFunction);
 
};
 
 
ML_END_NAMESPACE
 
 
#endif
// __mlLUTFunction_H