cs-lab34/text.cpp

#include <iostream>
#include <vector>
#include "histogram.h"
#include "text.h"

using namespace std;

void show_histogram_text(const vector<size_t>& bins, size_t& bin_count, double bin_size)
{
    const size_t SCREEN_WIDTH = 80;
    const size_t MAX_ASTERISK = SCREEN_WIDTH - 3 - 1;
    size_t max_bin_count = bins[0];
    for(size_t i = 0; i < bin_count; i++)
    {
        if(bins[i] > max_bin_count)
        {
            max_bin_count = bins[i];
        }
    }

    for(size_t i = 0; i < bin_count; i++)
    {
        if(bins[i]<10)
        {
            cout<< "  " << bins[i] << "|";
        }
        else
        {
            if(bins[i]<100)
            {
                cout<< " " << bins[i] << "|";
            }
            else
            {
                if(bins[i]<1000)
                {
                    cout<< bins[i] << "|";
                }

            }
        }

        size_t height;
        if(max_bin_count <= MAX_ASTERISK)
        {
            height = bins[i];
        }
        else
        {
            height = MAX_ASTERISK * (static_cast<double>(bins[i]) / max_bin_count);
        }
        for(size_t j = 0; j < height;  j ++)
        {
            cout<<"*";
        }
        cout<<endl;
    }
}