ossimBrightnessContrastSource.h

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//*******************************************************************
// Copyright (C) 2000 ImageLinks Inc. 
//
// License:  See LICENSE.txt file in the top level directory.
//
// Author: Garrett Potts
// 
//*************************************************************************
// $Id: ossimBrightnessContrastSource.h 15766 2009-10-20 12:37:09Z gpotts $
#ifndef ossimBrightnessContrastSource_HEADER
#define ossimBrightnessContrastSource_HEADER
#include <ossim/imaging/ossimImageSourceFilter.h>

class OSSIM_DLL ossimBrightnessContrastSource : public ossimImageSourceFilter
{
public:

   ossimBrightnessContrastSource();


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

   virtual void setBrightnessContrast(ossim_float64 brightness,
                                      ossim_float64 contrast);
   
   virtual void setBrightness(ossim_float64 brightness);

   virtual void setContrast(ossim_float64 contrast);

   virtual ossim_float64 getBrightness()const;

   virtual ossim_float64 getContrast()const;

   virtual void initialize();
   
   /*---------------------- PROPERTY INTERFACE ---------------------------*/
   virtual void setProperty(ossimRefPtr<ossimProperty> property);
   virtual ossimRefPtr<ossimProperty> getProperty(const ossimString& name)const;
   virtual void getPropertyNames(std::vector<ossimString>& propertyNames)const;
   /*--------------------- PROPERTY INTERFACE END ------------------------*/

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

   virtual bool saveState(ossimKeywordlist& kwl,
                          const char* prefix=0)const;
protected:
   virtual ~ossimBrightnessContrastSource();

   void allocate();

   void processRgbTile();

   void processNBandTile();
   
   
   ossim_float64               theBrightness;  
   ossim_float64               theContrast;  
   ossimRefPtr<ossimImageData> theTile;
   ossimRefPtr<ossimImageData> theNormTile;
   
TYPE_DATA
};

#endif /* End of "#ifndef ossimBrightnessContrastSource_HEADER" */