DtDepthOfField.h

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/*****************************************************************************
* Copyright (c) 2020 MAK Technologies, Inc.
* All rights reserved.
*****************************************************************************/

#pragma once


// Get proper local export symbol
#include <vrvPostProcessor/vrvPostProcessor.h>

#include <vrvPostProcessor/DtPostProcessor.h>
#include <vrvPostProcessor/DtDepthOfFieldDrawable.h>

namespace makVrv 
{ 
   class DtDepthOfFieldDrawable;
   class DtWindow;

   class DT_DLL_VRVPOSTPROCESSOR DtDepthOfField : public DtPostProcessor
   {
   public:
      DtDepthOfField(DtDe& de, const std::string& postProcessType, bool handles2D);

      virtual ~DtDepthOfField();
   private:
      DtDepthOfField();

      DtDepthOfField(const DtDepthOfField&);

      DtDepthOfField& operator=(const DtDepthOfField&);
   public:
      virtual void setFocalRange(float range);

      virtual void setFocalDepth(float depth);

      virtual void setAutofocus(bool useAutofocus);

      virtual bool update(DtChannel *channel);

   protected:
      // Focal distance is set by sampling the depth buffer in the center
      float myFocalRange;
      float myFocalDepth;
      bool myUseAutofocus;
      bool myUseReverseZBuffer;

      int myViewportWidth;
      int myViewportHeight;

      osg::ref_ptr<DtDepthOfFieldDrawable> myDofDrawable;      
   };

   // 
   // Creator
   //

   class DT_DLL_VRVPOSTPROCESSOR DtDepthOfFieldCreator 
      : public DtPostProcessorCreator
   {
   public:
      friend class DtPostProcessManager;

      DtDepthOfFieldCreator();

      virtual ~DtDepthOfFieldCreator();

   protected:
      virtual DtPostProcessor* create(DtDe& de, const std::string& postProcessType);
   };

}