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charpainter.cpp

/***************************************************************************
 *   Copyright (C) 2007 by Pierre Marchand   *
 *   pierre@moulindetouvois.com   *
 *                                                                         *
 *   This program 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 2 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 this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#include "charpainter.h"

#include <vector>
using std::vector;
using std::ostream;
using std::string;

namespace {

    // write the digits of `n' to `d'. The digits are ordered by increasing
    // place value.
    void digits(int n, vector<int> & d)
    {
        while ( n > 0 )
        {
            d.push_back(n % 10);
            n = n / 10;
        }
    }

}; // end anon namespace

using namespace std;
void CharPainter::paint(ostream & s, int n, double size, double x, double y)
{
    // update working variables used by topleft() etc
    m_y = y;
    m_x = x;
    m_size = size;
    m_sh = m_size + m_y;
    m_midh = (m_size /2.0) + m_y;
    m_sw = (m_size /2.0) + m_x;

    switch(n)
    {
        case 1 :  topright(s); bottomright(s);
                  break;
        case 2 :  top(s); topright(s); center(s); bottomleft(s); bottom(s);
                  break;
        case 3 :  top(s); topright(s); bottomright(s); bottom(s); center(s);
                  break;
        case 4 :  topleft(s); center(s); bottomright(s); topright(s);
                  break;
        case 5 :  top(s); topleft(s); center(s); bottomright(s); bottom(s);
                  break;
        case 6 :  top(s); topleft(s); center(s); bottomright(s); bottom(s); bottomleft(s);
                  break;
        case 7 :  top(s); topright(s); bottomright(s);
                  break;
        case 8 :  top(s); topleft(s); center(s); bottomright(s); bottom(s); bottomleft(s); topright(s);
                  break;
        case 9 :  top(s); topleft(s); center(s); bottomright(s); bottom(s); topright(s);
                  break;
        case 0 :  top(s); topleft(s);  bottomright(s); bottom(s); bottomleft(s); topright(s);
                  break;
    }
    s << "S\n";
}

void CharPainter::multipaint(ostream& s, int n, double size, double x, double y)
{
    vector<int> d;
    digits(n, d);

    vector<int>::const_reverse_iterator itEnd = d.rend();
    int i = d.size() - 1;
    for ( vector<int>::const_reverse_iterator it = d.rbegin(); it != itEnd; ++it, --i )
        paint(s, *it, size, x + (size * i / 1.6), y );
}

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