MediaTexture2D.h

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/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
 
#ifndef META_OCEAN_RENDERING_MEDIA_TEXTURE_2D_H
#define META_OCEAN_RENDERING_MEDIA_TEXTURE_2D_H
 
#include "ocean/rendering/Rendering.h"
#include "ocean/rendering/Texture2D.h"
 
#include "ocean/base/Timestamp.h"
 
#include "ocean/media/MediumRef.h"
#include "ocean/media/FrameMedium.h"
 
namespace Ocean
{
 
namespace Rendering
{
 
// Forward declaration
class MediaTexture2D;
 
/**
 * Definition of a smart object reference holding a 2D texture.
 * @see SmartObjectRef, Texture2D.
 * @ingroup rendering
 */
typedef SmartObjectRef<MediaTexture2D> MediaTexture2DRef;
 
/**
 * This class is the base class for all 2D textures receiving their image content from Media objects.
 * @see FrameTexture2D.
 * @ingroup rendering
 */
class OCEAN_RENDERING_EXPORT MediaTexture2D : virtual public Texture2D
{
    public:
 
        /**
         * Returns the frame medium of this texture.
         * @exception NotSupportedException Is thrown if this function is not supported
         * @return Frame medium providing the image data
         * @see setMedium(), Media::FrameMedium.
         */
        virtual Media::FrameMediumRef medium() const;
 
        /**
         * Sets the frame medium of this texture.
         * @exception NotSupportedException Is thrown if this function is not supported
         * @param medium Frame medium to set
         * @see medium(), Media::FrameMedium.
         */
        virtual void setMedium(const Media::FrameMediumRef& medium);
 
        /**
         * Returns the frame type of this texture.
         * @return Texture frame type
         */
        FrameType frameType() const override;
 
        /**
         * Returns whether this texture contains at least one transparent pixel.
         * @return True, if so
         */
        bool hasTransparentPixel() const override;
 
        /**
         * Returns the type of this object.
         * @see Object::type().
         */
        ObjectType type() const override;
 
    protected:
 
        /**
         * Creates a new 2D media texture object.
         */
        MediaTexture2D();
 
        /**
         * Destructs a 2D media texture object.
         */
        ~MediaTexture2D() override;
 
    protected:
 
        /// Frame medium providing the image data.
        Media::FrameMediumRef frameMedium_;
 
        /// The frame type of the current frame.
        FrameType frameType_;
 
        /// The timestamp of the current frame.
        Timestamp frameTimestamp_;
};
 
}
 
}
 
#endif // META_OCEAN_RENDERING_MEDIA_TEXTURE_2D_H