core/creator.hh

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/* -*- mia-c++  -*-
 *
 * This file is part of MIA - a toolbox for medical image analysis 
 * Copyright (c) Leipzig, Madrid 1999-2017 Gert Wollny
 *
 * MIA is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MIA; if not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef mia_core_creator_hh
#define mia_core_creator_hh

#include <mia/core/pixeltype.hh>
#include <mia/core/factory.hh>
#include <mia/core/handler.hh>


NS_MIA_BEGIN

struct EXPORT_CORE creator_type {
        static const char *type_descr;
};

template <typename T>
class EXPORT_HANDLER TImageCreator:public CProductBase {
public:
        typedef T plugin_data; 
        
        typedef creator_type plugin_type; 
        
        virtual ~TImageCreator(){}

        virtual std::shared_ptr<T> operator () (const typename T::dimsize_type& size, EPixelType type) const = 0;
};


#define DEFINE_Image_Creator(TYPE) \
        typedef TImageCreator<TYPE> TYPE##Creator; \
        typedef TFactory<TImageCreator<TYPE> > TYPE##CreatorPlugin; \
        typedef THandlerSingleton<TFactoryPluginHandler<TYPE##CreatorPlugin> > TYPE##CreatorPluginHandler;\
        FACTORY_TRAIT(THandlerSingleton<TFactoryPluginHandler<TYPE##CreatorPlugin> >); 


#define INSTANCIATE_Image_Creator(TYPE) \
        template class  TImageCreator<TYPE>;\
        template class  TPlugin<TYPE, creator_type>;                    \
        template class  TFactory<TImageCreator<TYPE> >;                 \
        template class  TPluginHandler<TYPE##CreatorPlugin>;    \
        template class  TFactoryPluginHandler<TYPE##CreatorPlugin>;     \
        template class  THandlerSingleton<TFactoryPluginHandler<TYPE##CreatorPlugin> >; 


NS_MIA_END

#endif