imageRegistry.h

//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef PXR_IMAGING_HIO_IMAGE_REGISTRY_H
#define PXR_IMAGING_HIO_IMAGE_REGISTRY_H
 
#include "pxr/pxr.h"
#include "pxr/imaging/hio/api.h"
#include "pxr/base/tf/singleton.h"
 
#include <memory>
#include <string>
 
PXR_NAMESPACE_OPEN_SCOPE
 
using HioImageSharedPtr = std::shared_ptr<class HioImage>;
 
class HioRankedTypeMap;
 
class HioImageRegistry : public TfSingleton<HioImageRegistry>
{
public:
    HIO_API
    static HioImageRegistry& GetInstance();
 
    HIO_API
    bool IsSupportedImageFile(std::string const & filename);
 
private:
    friend class TfSingleton<HioImageRegistry>;
    HioImageRegistry();
 
    friend class HioImage;
 
    HioImageSharedPtr _ConstructImage(std::string const & filename);
 
private:
    std::unique_ptr<HioRankedTypeMap> const _typeMap;
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif // PXR_IMAGING_HIO_IMAGE_REGISTRY_H