DtOsgImageUtils.h

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/******************************************************************************
** Copyright (c) 2022 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
#include <vrvOsg/vrvOsg.h>

#include <osg/ref_ptr>

#include <string>
#include <vector>

namespace osg
{
   class Image;
   class Texture;
}

namespace makVrv
{
    class DT_DLL_VRVOSG DtOsgImageUtils
    {
    public:
       // user data tag for storing an Image's original source data location.
       static const std::string TAG_SOURCE_LOCATION;

       // user data tag for storing the location from which an image was actually loaded.
       static const std::string TAG_LOAD_LOCATION;

    public:
        
       static bool flattenImage(osg::Image* input, std::vector<osg::ref_ptr<osg::Image> >& output);

       static bool ts_setCompressionDisabledHint(osg::Image* image, bool val);
       
       static bool ts_compressionDisabledHint(const osg::Image* image);

       static void zeroOutImagesIfUnrefImages(osg::Texture* srcOsgTexture, bool gltf);
    };
}