callback.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_callback_hh
#define mia_callback_hh

#include <string>
#include <mia/core/defines.hh>

NS_MIA_BEGIN

class EXPORT_CORE CProgressCallback {
public: 
        virtual ~CProgressCallback(); 

        void set_range(int range); 

        void update(int step);

        void pulse();
private:
        virtual void do_update(int step) = 0;
        virtual void do_set_range(int range) = 0; 
        virtual void do_pulse() = 0;
}; 

class  EXPORT_CORE CMsgStreamPrintCallback: public CProgressCallback {
public: 

        CMsgStreamPrintCallback(const std::string& format); 
        virtual ~CMsgStreamPrintCallback(); 
private: 
        virtual void do_update(int step);
        virtual void do_set_range(int range); 
        virtual void do_pulse();
        
        struct CMsgStreamPrintCallbackImpl *impl; 
}; 

NS_MIA_END

#endif