ossimDilationFilter.h

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//**************************************************************************************************
//
//                                            OSSIM
//
//       License: MIT. See LICENSE.txt file in the top level directory for more details.
//
//**************************************************************************************************
//  $Id$
#ifndef ossimDilationFilter_HEADER
#define ossimDilationFilter_HEADER

#include <ossim/imaging/ossimImageSourceFilter.h>
#include <ossim/base/ossimPolygon.h>

class OSSIM_DLL ossimDilationFilter : public ossimImageSourceFilter
{
public:
   ossimDilationFilter(ossimObject* owner=NULL);
   virtual void initialize();
   virtual ossimRefPtr<ossimImageData> getTile(const ossimIrect& rect, ossim_uint32 resLevel=0);

   void setWindowSize(ossim_uint32 windowSize) { theWindowSize = windowSize; }
   ossim_uint32 getWindowSize() const          { return theWindowSize; }

   void setRecursiveFlag(bool flag=true) { theRecursiveFlag = flag; }
   bool getRecursiveFlag() const         { return theRecursiveFlag; }

   virtual void setProperty(ossimRefPtr<ossimProperty> property);
   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const;
   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;
   
   virtual bool saveState(ossimKeywordlist& kwl, const char* prefix=0)const;

   virtual bool loadState(const ossimKeywordlist& kwl, const char* prefix=0);

protected:
   virtual ~ossimDilationFilter();
   
   ossimRefPtr<ossimImageData> theTile;
   ossimRefPtr<ossimImageData> theTempTile; 
   ossim_uint32                theWindowSize;
   bool                        theRecursiveFlag;
   ossimPolygon                theValidImagePoly;
   bool                        theNullFoundFlag;

   template <class T> void doDilation(T scalarType, ossimRefPtr<ossimImageData>& inputData);

   TYPE_DATA
};

#endif