ossimHistogramMatchFilter.h

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#ifndef ossimHistogramMatchFilter_HEADER
#define ossimHistogramMatchFilter_HEADER
#include <ossim/imaging/ossimImageSourceFilter.h>
#include <ossim/imaging/ossimHistogramEqualization.h>

class OSSIM_DLL ossimHistogramMatchFilter : public ossimImageSourceFilter
{
public:
   ossimHistogramMatchFilter();

   virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& tileRect,
                                               ossim_uint32 resLevel=0);
   virtual void initialize();

   void setInputHistogram(const ossimFilename& inputHistogram);

   void setTargetHistogram(const ossimFilename& targetHistogram);

   virtual void connectInputEvent(ossimConnectionEvent& event);
   
   virtual void disconnectInputEvent(ossimConnectionEvent& event);

   virtual void setProperty(ossimRefPtr<ossimProperty> property);

   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const;

   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;

   virtual bool loadState(const ossimKeywordlist& kwl,
                          const char* prefix=NULL);

   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=NULL)const;
   
protected:
   void autoLoadInputHistogram();
   
   ossimRefPtr<ossimHistogramEqualization> theInputHistogramEqualizer;
   ossimRefPtr<ossimHistogramEqualization> theTargetHistogramEqualizer;
   ossimFilename theInputHistogramFilename;
   ossimFilename theTargetHistogramFilename;
   bool          theAutoLoadInputHistogramFlag;
TYPE_DATA   
};
#endif