build: добавление первичного варианта реализации гистограммы в формате SVG

main.cpp

@@ -5,10 +5,9 @@
 #include <cmath>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 using namespace std;
 
-//!Разделить программу на файлы (3 пункт)!
-
 //Ñîçäàíèå ñòðóêòóðû Input äëÿ âõîäíûõ äàííûõ
 	struct Input {
         vector<double> Numbers;
@@ -26,7 +25,7 @@ Input input_data(){
 	vector<double> Numbers(number_count);
 	stct.Numbers.resize(number_count);
 	cerr << "Enter array:\n";
-	cin >> Numbers[0];
+	cin >> stct.Numbers[0];
 	for (int i = 1; i < number_count; i++) {
 		cin >> stct.Numbers[i];
 	}
@@ -45,7 +44,8 @@ int main() {
 	vector<size_t> bins = make_histogram(in.Numbers, in.bin_count);
 
 	//Âûâîä ãèñòîãðàììû
-	show_histogram_text(bins);
+	show_histogram_svg(bins);
+	//show_histogram_text(bins);
 
 	return 0;
 }

svg.cpp

@@ -0,0 +1,33 @@
+#include <iostream>
+#include "svg.h"
+#include <vector>
+#include <string>
+
+void svg_begin(double width, double height) {
+    std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
+    std::cout << "<svg ";
+    std::cout << "width='" << width << "' ";
+    std::cout << "height='" << height << "' ";
+    std::cout << "viewBox='0 0 " << width << " " << height << "' ";
+    std::cout << "xmlns='http://www.w3.org/2000/svg'>\n";
+}
+
+void svg_end() {
+    std::cout << "</svg>\n";
+}
+
+void svg_text(double left, double baseline, std::string text){
+    std::cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
+}
+
+void show_histogram_svg(const std::vector<size_t>& bins){
+    svg_begin(400, 300);
+    svg_text(20, 20, std::to_string(bins[0]));
+    svg_end();
+}
+
+/*
+void svg_rect(double x, double y, double width, double height){
+    std::cout << "<rect x='" << x << "' y='" width='" << width << "' height='" << height << "' />"
+}
+*/

svg.h

@@ -0,0 +1,12 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+#include <vector>
+#include <string>
+
+void svg_begin(double width, double height);
+void svg_end();
+void show_histogram_svg(const std::vector<size_t>& bins);
+void svg_text(double left, double baseline, std::string text);
+//void svg_rect(double x, double y, double width, double height)
+
+#endif // SVG_H_INCLUDED