ossimValueAssignImageSourceFilter.h

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//*******************************************************************
// Copyright (C) 2000 ImageLinks Inc. 
//
// License:  MIT
// 
// See LICENSE.txt file in the top level directory for more details.
//
// Author: Garrett Potts
//
//*************************************************************************
// $Id: ossimValueAssignImageSourceFilter.h 15766 2009-10-20 12:37:09Z gpotts $
#ifndef ossimValueAssignImageSourceFilter_HEADER
#define ossimValueAssignImageSourceFilter_HEADER

#include <ossim/imaging/ossimImageSourceFilter.h>

class OSSIMDLLEXPORT ossimValueAssignImageSourceFilter : public ossimImageSourceFilter
{
public:
   enum ossimValueAssignType
   {
      ossimValueAssignType_SEPARATE = 1,
      ossimValueAssignType_GROUP    = 2
   };
   
   ossimValueAssignImageSourceFilter(ossimObject* owner=NULL);
   virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& tileRect,
                                   ossim_uint32 resLevel=0);

   void setInputOutputValues(const vector<double>& inputValues,
                             const vector<double>& outputValues);

   const vector<double>& getInputValues()const;
   const vector<double>& getOutputValues()const;
   ossimValueAssignType getValueAssignType()const;
   void setValueAssignType(ossimValueAssignType type);

   virtual void initialize();

   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=NULL)const;
   
   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=NULL);
   
protected:
   virtual ~ossimValueAssignImageSourceFilter();

   void allocate();
   
   vector<double>              theInputValueArray;
   vector<double>              theOutputValueArray;
   ossimValueAssignType        theAssignType;
   ossimRefPtr<ossimImageData> theTile;
   
   void validateArrays();
   
   template <class T>
      void executeAssign(T, ossimRefPtr<ossimImageData>& data);
   
   template <class T>
      void executeAssignSeparate(T, ossimRefPtr<ossimImageData>& data);
   
   template <class T>
      void executeAssignGroup(T, ossimRefPtr<ossimImageData>& data);

TYPE_DATA
};

#endif /* #ifndef ossimValueAssignImageSourceFilter_HEADER */