PrintProgressBar.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
 *   Licensees holding valid commercial licenses may use this file in
 *   accordance with the commercial license agreement provided with the
 *   software or, alternatively, in accordance with the terms contained in
 *   a written agreement between you and MLAB or NICR.
 *
 * GNU General Public License Usage:
 *   Alternatively, this file may be used under the terms of the GNU
 *   General Public License version 3.0 as published by the Free Software
 *   Foundation and appearing in the file LICENSE.GPL3 included in the
 *   packaging of this file. Please review the following information to
 *   ensure the GNU General Public License version 3.0 requirements will be
 *   met: http://www.gnu.org/copyleft/gpl.html.
 *   Alternatively you may (at your option) use any later version of the GNU
 *   General Public License if such license has been publicly approved by
 *   MLAB and NICR (or its successors, if any).
 *
 * IN NO EVENT SHALL "MLAB" OR "NICR" BE LIABLE TO ANY PARTY FOR DIRECT,
 * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF
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 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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 */

#ifndef _MIRA_PRINTPROGRESSBAR_H_
#define _MIRA_PRINTPROGRESSBAR_H_

#include <iostream>

#include <utils/Time.h>

namespace mira {


inline void printProgressBarHeader()
{
    std::cout << "0%   10   20   30   40   50   60   70   80   90   100%" << std::endl;
    std::cout << "|----|----|----|----|----|----|----|----|----|----|" << std::endl;
}

inline void printProgressBar(int value, int maximum, const Time& startTime, int updateInterval=1)
{
    if ((value%updateInterval) != 0)
        return;

    std::cout << "\r";
    int ticks = value * 50 / maximum;
    for(int i=0; i<ticks; ++i)
        std::cout << "*";

    for(int i=ticks; i<50; ++i)
        std::cout << " ";

    if ( value > 0)
        std::cout << "   finished in approx. "
                  << Duration::milliseconds((maximum-value)*(Time::now()-startTime).totalMilliseconds()/value);
    std::flush(std::cout);
}

inline void printFinishedProgressBar()
{
    std::cout << "\r";
    for(int i=0; i<=50; ++i)
        std::cout << "*";
    std::cout << "  finished                           " << std::endl;
    std::flush(std::cout);
}


} // namespace

#endif