TuttleOFX/libraries/tuttle/src/tuttle/host/OverlayInteract.hpp

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#ifndef _TUTTLE_HOST_OVERLAYINTERACT_HPP_
#define _TUTTLE_HOST_OVERLAYINTERACT_HPP_

#include "ImageEffectNode.hpp"

#include <tuttle/host/ofx/OfxhInteract.hpp>
#include <tuttle/host/ofx/OfxhImageEffectNode.hpp>

#include <tuttle/host/Graph.hpp>
#include <tuttle/host/graph/ProcessGraph.hpp>

namespace tuttle {
namespace host {

/**
 * An overlay interact for image effects, derived from one of these to
 * be an overlay interact
 */
class OverlayInteract : public ofx::interact::OfxhInteract
{
protected:
        /// our image effect instance
        ImageEffectNode& _instance;
        int _bitDepthPerComponent;
        bool _hasAlpha;
        OfxTime _time;
        graph::ProcessGraph _procGraph;
        
public:
        OverlayInteract( Graph& userGraph, ImageEffectNode& effect, int bitDepthPerComponent = 8, bool hasAlpha = false );
        
        void setupGraph()
        {
                _procGraph.setup();
                _procGraph.setupAtTime(_time);
        }
        
        void draw( const OfxPointD& renderScale );
};

}
}

#endif