SignalerViewerI.h

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/*  Copyright (C) 2003-2021 Free Electron Organization
    Any use of this software requires a license.  If a valid license
    was not distributed with this file, visit freeelectron.org. */

/** @file */

#ifndef __viewer_SignalerViewerI_h__
#define __viewer_SignalerViewerI_h__

namespace fe
{
namespace ext
{

//* TODO move token method implementations to a ViewerBase

/**************************************************************************//**
    @brief Simple viewer interface

    @ingroup viewer
*//***************************************************************************/
class FE_DL_EXPORT SignalerViewerI:
    virtual public ViewerI,
    public CastableAs<SignalerViewerI>
{
    public:
virtual void            insertBeatHandler(sp<HandlerI> spHandlerI)          {}
virtual void            insertEventHandler(sp<HandlerI> spHandlerI)         {}
virtual void            insertDrawHandler(sp<HandlerI> spHandlerI)          {}

                        /// Send signals for one frame
virtual void            render(Real a_time,Real a_timestep)                 =0;
};

/** SignalerViewerI attributes
    */
class FE_DL_EXPORT AsViewer:
    public AsTemporal,
    public Initialize<AsViewer>
{
    public:
        void initialize(void)
        {
            add(viewer_layer,       FE_USE("viewer:layer"));
            add(viewer_spatial,     FE_USE("viewer:spatial"));
            add(render_draw,        FE_USE("ren:DrawI"));
        }
        /// rendering layer
        Accessor<I32>               viewer_layer;
        /// 1 if rendering in 3D (vs overlay/underlay)
        Accessor<I32>               viewer_spatial;
        Accessor< sp<Component> >   render_draw;
};

} /* namespace ext */
} /* namespace fe */

#endif /* __viewer_SignalerViewerI_h__ */