Сommit
196a901350
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/bin
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/obj
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/*.layout
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/*.depend
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<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
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<CodeBlocks_project_file>
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<FileVersion major="1" minor="6" />
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<Project>
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<Option title="18" />
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<Option pch_mode="2" />
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<Option compiler="gcc" />
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<Build>
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<Target title="Debug">
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<Option output="bin/Debug/18" prefix_auto="1" extension_auto="1" />
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<Option object_output="obj/Debug/" />
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<Option type="1" />
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<Option compiler="gcc" />
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<Compiler>
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<Add option="-g" />
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</Compiler>
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</Target>
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<Target title="Release">
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<Option output="bin/Release/18" prefix_auto="1" extension_auto="1" />
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<Option object_output="obj/Release/" />
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<Option type="1" />
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<Option compiler="gcc" />
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<Compiler>
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<Add option="-O2" />
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</Compiler>
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<Linker>
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<Add option="-s" />
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</Linker>
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</Target>
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</Build>
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<Compiler>
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<Add option="-Wall" />
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<Add option="-fexceptions" />
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</Compiler>
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<Unit filename="histogram.cpp" />
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<Unit filename="histogram.h" />
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<Unit filename="main.cpp" />
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<Unit filename="svg.cpp" />
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<Unit filename="svg.h" />
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<Unit filename="text.cpp" />
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<Unit filename="text.h" />
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<Extensions>
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<lib_finder disable_auto="1" />
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</Extensions>
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</Project>
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</CodeBlocks_project_file>
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#include "histogram.h"
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bool find_minmax(vector<double> vec, double& min, double& max) {
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if (vec.size() == 0) {
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cerr << "Empty vec";
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return false;
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}
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min = vec[0];
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max = vec[0];
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for (double x : vec) {
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if (x < min) {
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min = x;
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}
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else if (x > max)
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{
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max = x;
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}
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}
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return true;
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}
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vector<size_t> make_histogram(size_t number, vector<double> vec) {
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vector<size_t> bins(number);
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double mn, mx;
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find_minmax(vec, mn, mx);
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float bin_size = (mx - mn) / number;
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for (size_t i = 0; i < vec.size(); i++) {
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bool fl = false;
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for (size_t j = 0; (j < number - 1) && !fl; j++) {
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auto lo = mn + j * bin_size;
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auto hi = mn + (j + 1) * bin_size;
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if ((lo <= vec[i]) && (vec[i] < hi)) {
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bins[j]++;
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fl = true;
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}
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}
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if (!fl) {
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bins[number - 1]++;
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}
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}
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return bins;
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}
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#include <vector>
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#include <iostream>
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using namespace std;
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vector<size_t> make_histogram(size_t number, vector<double> vec);
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#include "histogram.h"
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#include "text.h"
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#include "svg.h"
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struct Input {
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vector<double> vec;
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size_t korz{};
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};
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Input input_data() {
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Input in;
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size_t n, korz;
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cerr << "Number of elements: ";
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cin >> n;
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in.vec.resize(n);
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cerr << "Elements: ";
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for (size_t i = 0; i < n; i++)
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cin >> in.vec[i];
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cerr << "Enter bin count: ";
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cin >> in.korz;
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return in;
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}
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int main() {
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auto in = input_data();
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auto bins = make_histogram(in.korz, in.vec);
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show_histogram_svg(bins);
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}
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#include "svg.h"
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using namespace std;
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void
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svg_begin(double width, double height)
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{
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cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
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cout << "<svg ";
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cout << "width='" << width << "' ";
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cout << "height='" << height << "' ";
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cout << "viewBox='0 0 " << width << " " << height << "' ";
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cout << "xmlns='http://www.w3.org/2000/svg'>\n";
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}
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void
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svg_end()
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{
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cout << "</svg>\n";
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}
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void
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svg_text(double left, double baseline, const string& text, const string& text_decoration)
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{
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cout << "<text x='" << left << "' y='" << baseline << "' text-decoration='" << text_decoration << "'>" << text << "</text>";
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}
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void
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svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black")
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{
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cout << "<rect x='"<<x<<"' y='"<<y<<"' width='"<<width<<"' height='"<<height<<"' stroke='"<<stroke<<"' fill='"<<fill<<"' />";
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}
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void
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show_histogram_svg(const vector<size_t>& bins)
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{
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string decoration;
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cerr<<"Enter text decoration (none, underline, overline, line-through): ";
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cin>>decoration;
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while(!(decoration=="none"||decoration=="underline"||decoration=="overline"||decoration=="line-through"))
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{
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cerr<<"Invalid value. Please enter one of: none, underline, overline, line-through: ";
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cin>>decoration;
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}
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const auto IMAGE_WIDTH = 400;
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const auto IMAGE_HEIGHT = 300;
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const auto TEXT_LEFT = 20;
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const auto TEXT_BASELINE = 20;
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const auto TEXT_WIDTH = 50;
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const auto BIN_HEIGHT = 30;
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const auto BLACK = "black";
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const auto RED = "red";
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const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
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svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
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double top = 0;
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double max_count = bins[0];
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for (size_t i = 0; i < bins.size(); i++)
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{
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if (max_count<bins[i])
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{
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max_count=bins[i];
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}
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}
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for (size_t bin : bins)
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{
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double bin_width = (MAX_WIDTH)*(bin/max_count);
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svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin), decoration);
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svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, BLACK, RED);
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top += BIN_HEIGHT;
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}
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svg_end();
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}
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#pragma once
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#include <iostream>
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#include <vector>
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#include <string>
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#include <math.h>
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using namespace std;
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// Declaration for SVG histogram output
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void show_histogram_svg(const vector<size_t>& bins);
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#include "text.h"
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void show_histogram(std::vector<size_t> bins) {
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bool gigant = false;
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auto spaces = 0;
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size_t mx_count = 0;
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for (auto x : bins) {
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if (x > 76) {
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gigant = true;
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}
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if (x > mx_count) {
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mx_count = x;
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}
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auto len = 0;
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while (x > 0) {
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x /= 10;
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len++;
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}
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if (len > spaces) {
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spaces = len;
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}
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}
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if (spaces == 1) {
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for (size_t i = 0; i < bins.size(); i++) {
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std::cout << " " << bins[i] << "|";
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if (gigant) {
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if (bins[i] == mx_count) {
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for (size_t j = 0; j < 76; j++) {
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std::cout << "*";
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}
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}
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else
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{
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for (size_t j = 0; j < 76 * static_cast<double>(bins[i]) / mx_count; j++) {
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std::cout << "*";
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}
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}
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}
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else
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{
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for (size_t j = 0; j < bins[i]; j++) {
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std::cout << "*";
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}
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std::cout << std::endl;
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}
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}
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}
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else
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{
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for (size_t i = 0; i < bins.size(); i++) {
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int len = 1;
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int k = bins[i];
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for (; k /= 10; ++len);
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while (len < spaces) {
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std::cout << " ";
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len++;
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}
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std::cout << bins[i];
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std::cout << "|";
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if (gigant) {
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if (bins[i] == mx_count) {
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for (size_t j = 0; j < 76; j++) {
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std::cout << "*";
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}
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}
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else
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{
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for (size_t j = 0; j < (76 * static_cast<double>(bins[i]) / mx_count - 1); j++) {
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std::cout << "*";
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}
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}
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}
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else
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{
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for (size_t j = 0; j < bins[i]; j++) {
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std::cout << "*";
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}
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}
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std::cout << std::endl;
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}
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}
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}
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#include <iostream>
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#include <vector>
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void show_histogram(std::vector<size_t> bins);
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