Формат SVG

svg.cpp

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+#include "svg.h"
+#include <string>
+using namespace std;
+
+// Ôóíêöèè âûâîäà çàãîëîâêà è îêîí÷àíèÿ SVG
+void
+svg_begin(double width, double height) {
+    cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    cout << "<svg ";
+    cout << "width='" << width << "' ";
+    cout << "height='" << height << "' ";
+    cout << "viewBox='0 0 " << width << " " << height << "' ";
+    cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+void
+svg_end() {
+    cout << "</svg>\n";
+}
+
+//Ïîäïèñè ê ñòîëáöàì
+void
+svg_text(double left, double baseline, string text) {
+        cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}
+
+//Âûâîä ïðÿìîóãîëüíèêà
+void
+svg_rect(double x, double y, double width, double height, string stroke = "black", string fill = "black") {
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' "
+         << "stroke='" << stroke << "' fill='" << fill << "' />\n";
+}
+
+//Ãðàôè÷åñêèé âûâîä ãèñòîãðàììû
+void
+show_histogram_svg(const vector<size_t>& bins) {
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 300;
+    const auto TEXT_LEFT = 20;
+    const auto TEXT_BASELINE = 20;
+    const auto TEXT_WIDTH = 50;
+    const auto BIN_HEIGHT = 30;
+    const auto BLOCK_WIDTH = 10;
+    vector<string> colors = {
+        "#ECE1AC",
+        "#ECACD6",
+        "#CEACEC"
+    };
+    svg_begin(400, 300);
+    double top = 0;
+    for (size_t i = 0; i < bins.size(); i++) {
+        string color = colors[i];
+        const double bin_width = BLOCK_WIDTH * bins[i];
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bins[i])); //âûâîä ïîäïèñåé
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "#ACB0EC", color); //âûâîä ñòîëáöîâ
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}
+
+
+
+

svg.h

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+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <iostream>
+#include <vector>
+void show_histogram_svg(const std::vector<size_t>& bins);
+#endif // SVG_H_INCLUDED