cs-lab34/text.cpp

#include "text.h"
#include <iostream>
#include <vector>
using namespace std;

void show_histogram_text(const vector <size_t>& bins,size_t bin_count, size_t max_count)
{
    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;

    bool scaling = false;

    if (max_count > MAX_ASTERISK)
    {
        scaling = true;
    }

    for (size_t i = 0; i < bin_count; i++)
    {
        if (bins[i] < 10)
        {
            cout << "  ";
        }
        else if (bins[i] < 100)
        {
            cout << " ";
        }
        else
        {
            cout << "";
        }
        cout << bins[i] << '|';

        size_t number_of_stars = bins[i];

        if (scaling)
        {
            if (bins[i] == max_count)
            {
                number_of_stars = MAX_ASTERISK * 1.0;
            }
            else
            {
                number_of_stars = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_count);
            }
        }

        for (size_t j = 0; j < number_of_stars; j++)
        {
            cout << '*';
        }
        cout << endl;
    }
}