VisionPlus_V3.0/DependentLibrary/BaslerCamera/SDK/include/pylon/private/DeviceSpecificImageEventHandlerTie.h

//-----------------------------------------------------------------------------
//  Basler pylon SDK
//  Copyright (c) 2010-2021 Basler AG
//  http://www.baslerweb.com
//  Author:  Andreas Gau
//-----------------------------------------------------------------------------
/*!
\file
\brief Contains an adapter class for device specific image event handlers.
*/

#ifndef INCLUDED_DEVICESPECIFICIMAGEEVENTHANDLERTIE_H_009136379
#define INCLUDED_DEVICESPECIFICIMAGEEVENTHANDLERTIE_H_009136379

#include <pylon/ImageEventHandler.h>
#include <pylon/stdinclude.h>

namespace Pylon
{
    /*!
    \class  CDeviceSpecificImageEventHandlerTie
    \brief  Implementation Detail: Adapter for device specific image event handlers.
    */
    template <typename DeviceSpecificCameraT, typename InterfaceT>
    class CDeviceSpecificImageEventHandlerTie : public CImageEventHandler
    {
    public:
        CDeviceSpecificImageEventHandlerTie( InterfaceT* ptr, bool isCleanupDelete )
            : m_ptr( ptr )
            , m_isCleanupDelete( isCleanupDelete )
        {
        }

        ~CDeviceSpecificImageEventHandlerTie()
        {
        }

        virtual void OnImagesSkipped( CInstantCamera& camera, size_t countOfSkippedImages )
        {
            PYLON_ASSERT2( dynamic_cast<DeviceSpecificCameraT*>(&camera) != NULL, "Unexpected camera type passed." );
            m_ptr->OnImagesSkipped( static_cast<DeviceSpecificCameraT&>(camera), countOfSkippedImages );
        }

        virtual void OnImageGrabbed( CInstantCamera& camera, const CGrabResultPtr& grabResult )
        {
            PYLON_ASSERT2( dynamic_cast<DeviceSpecificCameraT*>(&camera) != NULL, "Unexpected camera type passed." );
            typename DeviceSpecificCameraT::GrabResultPtr_t grabResultLocal = grabResult;
            PYLON_ASSERT2( grabResultLocal.IsValid(), "Unexpected condition that result is not convertible." );
            m_ptr->OnImageGrabbed( static_cast<DeviceSpecificCameraT&>(camera), grabResultLocal );
        }

        virtual void OnImageEventHandlerRegistered( CInstantCamera& camera )
        {
            PYLON_ASSERT2( dynamic_cast<DeviceSpecificCameraT*>(&camera) != NULL, "Unexpected camera type passed." );
            m_ptr->OnImageEventHandlerRegistered( static_cast<DeviceSpecificCameraT&>(camera) );
        }

        virtual void OnImageEventHandlerDeregistered( CInstantCamera& camera )
        {
            PYLON_ASSERT2( dynamic_cast<DeviceSpecificCameraT*>(&camera) != NULL, "Unexpected camera type passed." );
            m_ptr->OnImageEventHandlerDeregistered( static_cast<DeviceSpecificCameraT&>(camera) );
        }

        virtual void DestroyImageEventHandler()
        {
            try
            {
                // destroy only when demanded
                if (m_isCleanupDelete)
                {
                    m_ptr->DestroyImageEventHandler();
                }
                m_ptr = NULL;
            }
            catch (...)
            {
                delete this;
                m_ptr = NULL;
                throw;
            }
            delete this;
        }

    private:
        InterfaceT* m_ptr;
        bool m_isCleanupDelete;
    };
}

#endif /* INCLUDED_DEVICESPECIFICIMAGEEVENTHANDLERTIE_H_009136379 */