DtOsgTextureWrapper.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>

#include <vrvCore/DtTextureInterface.h>
#include <vrvCore/DtFileCache.h>
#include <vrvUtil/DtSignalConnectionManager.h>

#include <osg/Texture>

namespace makVrv
{
   class DtOsgFileCache;
   class DT_DLL_VRVOSG DtOsgTextureWrapper : public DtTextureInterface
   {
   public:
      DtOsgTextureWrapper( DtDe&, osg::Texture* node );

      virtual ~DtOsgTextureWrapper();

      DtOsgTextureWrapper() = delete;

      DtOsgTextureWrapper( const DtOsgTextureWrapper& ) = delete;

      DtOsgTextureWrapper& operator=( const DtOsgTextureWrapper& ) = delete;

   public:
      virtual bool loadTextureFromFile( const std::string& fileName ) override;
      virtual bool loadTextureFromFile( const std::string& fileName, 
         const DtFileCache::LoadFileOptions& loadFileOptions ) override;

      virtual void setTexture( const std::string fileName, osg::Texture* texture );
      virtual osg::Texture* texture() const;
      

      virtual bool getStipplePattern(char** stipplePattern) override;

      virtual bool valid() const override;

      virtual void releaseGLObjects();

      virtual void setMinFilter( osg::Texture::FilterMode );
      virtual osg::Texture::FilterMode minFilter();
      virtual void setMagFilter( osg::Texture::FilterMode );
      virtual osg::Texture::FilterMode  magFilter();
      virtual void setWrapModeS( osg::Texture::WrapMode );
      virtual osg::Texture::WrapMode wrapModeS();
      virtual void setWrapModeT( osg::Texture::WrapMode );
      virtual osg::Texture::WrapMode wrapModeT();
      
      virtual bool loadTexture( const std::string& filename,
         osg::Texture::FilterMode minFilter, osg::Texture::FilterMode magFilter,
         osg::Texture::WrapMode s, osg::Texture::WrapMode t,
         const DtFileCache::LoadFileOptions& loadFileOptions );

      virtual float textureWidth() const override;
      virtual const std::string& filename() const override;

      virtual void scaleTexture( int w, int h ) override;

      virtual DtVector4<float> color(unsigned int x, unsigned int y) const override;
   protected:
      DtDe& myDe;
      DtOsgFileCache* myOsgFileCache;

      std::string myFilename;
      osg::Texture::FilterMode myMinFilter;
      osg::Texture::FilterMode myMagFilter;
      osg::Texture::WrapMode myWrapModeS;
      osg::Texture::WrapMode myWrapModeT;
      
      osg::ref_ptr<osg::Texture> myTexture;

      DtSignalConnectionManager myConnectionManager;
   };

   class DT_DLL_VRVOSG DtOsgTextureWrapperCreator : public DtTextureInterfaceCreator
   {
      // Override to create a DtOsgTextureWrapper
      virtual DtTextureInterface* create( DtDe& de ) override;
   };
}