code: добавлено svg

main.cpp

@@ -2,6 +2,7 @@
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 
 using namespace std;
 
@@ -36,12 +37,9 @@ int main()
 {
     Input in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-
     double min, max;
-
     double bin_size = (max - min) / in.bin_count;
-
-    show_histogram_text(bins,in.bin_count, bin_size);
-
+    //show_histogram_text(bins,in.bin_count, bin_size);
+    show_histogram_svg(bins);
     return 0;
 }

svg.cpp

@@ -0,0 +1,82 @@
+#include "svg.h"
+
+using namespace std;
+
+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";
+}
+
+void
+svg_text(double left, double baseline, string text)
+{
+    cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
+
+}
+
+void svg_rect(double x, double y, double width, double height,
+              string stroke = "yellow", string fill = "yellow")
+{
+    cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />\n";
+}
+
+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;
+    const auto YELLOW = "yellow";
+    const auto RED = "red";
+    const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
+
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+
+    size_t min,max;
+     min = bins[0];
+    max = bins[0];
+for (size_t bin : bins)
+    {
+        if (bin < min)
+        {
+            min = bin;
+        }
+        else if (bin > max)
+        {
+            max = bin;
+        }
+    }
+
+    double top = 0;
+    for (size_t bin : bins)
+    { if (bin == max) {
+        const double bin_width = BLOCK_WIDTH * bin;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, MAX_WIDTH, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
+    else{
+        const double bin_width = BLOCK_WIDTH * bin;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
+    }
+    svg_end();
+}

svg.h

@@ -0,0 +1,11 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <iostream>
+#include <vector>
+#include <string>
+
+void show_histogram_svg(const std::vector<std::size_t>& bins);
+
+
+#endif // SVG_H_INCLUDED