working with show_histogram_svg

Histogram/histogram.cpp

@@ -40,3 +40,21 @@ std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bi
     return bins;
 };
 
+void show_histogram_svg(const std::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;
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    for (size_t i = 0; i < bins.size(); ++i) {
+        const double bin_width = BLOCK_WIDTH * bins[i];
+        const double top = i * BIN_HEIGHT;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bins[i]));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "black", "#aaffaa"); // Ïðèìåð öâåòà
+    }
+    svg_end();
+}

Histogram/histogram.h

@@ -2,3 +2,4 @@
 #include <vector>
 size_t find_minmax(const std::vector<double>& numbers, double& min, double& max);
 std::vector<size_t> make_histogram(const std::vector<double>& numbers, size_t bin_count);
+void show_histogram_svg(const std::vector<size_t>& bins);

Histogram/main.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <vector>
-
+#include "histogram.h"
+#include "text.h"
 struct Input{
     std::vector<double> numbers;
     size_t bin_count{};
@@ -24,12 +25,11 @@ Input input_data() {
     return in;
 };
 
-
 using namespace std;
 
 int main() {
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins);
+    show_histogram_svg(bins);
     return 0;
 }

Histogram/svg.cpp

@@ -1,5 +1,6 @@
 #include "svg.h"
 #include <iostream>
+#include <string>
 
 void svg_begin(double width, double height) {
     std::cout << "<?xml version='1.0' encoding='UTF-8'?>\n";
@@ -15,4 +16,9 @@ void svg_end() {
 }
 
 void svg_rect(double x, double y, double width, double height, std::string stroke, std::string fill) {
-    std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke
+    std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />\n";
+}
+
+void svg_text(double left, double baseline, std::string text) {
+    std::cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>\n";
+}