code: общий вариант

svg.cpp

@@ -15,28 +15,14 @@ void svg_end() {
     std::cout << "</svg>\n";
 }
 
-void svg_text(double left, double baseline, std::string text, std::size_t font_size) {
+void svg_text(double left, double baseline, std::string text) {
-    std::cout << "<text x='" << left << "' y='" << baseline << "' font-size='" << font_size << "'>" << text << "</text>";
+    std::cout << "<text x='" << left << "' y='" << baseline << "'>" << text << "</text>";
 }
 
 void svg_rect(double x, double y, double width, double height, std::string stroke = "black", std::string fill = "black") {
         std::cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << " ' stroke='#000000' fill='#F8B496' ></rect>";
 }
 
-std::size_t in_font_size() {
-    std::size_t font_size;
-            do{
-                std::cerr << "Enter font size >>";
-                std::cin >> font_size;
-                if (font_size < 8 || font_size > 32) {
-                        std::cerr << "Please, observe the range 8-32!" << std::endl;
-                }
-            }while(font_size < 8 || font_size > 32);
-
-        return font_size;
-}
-
-
 void show_histogram_svg(const std::vector<std::size_t>& bins) {
 
     const auto IMAGE_WIDTH = 400;
@@ -46,7 +32,6 @@ void show_histogram_svg(const std::vector<std::size_t>& bins) {
     const auto TEXT_WIDTH = 50;
     const auto BIN_HEIGHT = 30;
     const auto BLOCK_WIDTH = 10;
-    std::size_t font_size = in_font_size();
 
     const std::size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH;
     svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
@@ -62,7 +47,7 @@ void show_histogram_svg(const std::vector<std::size_t>& bins) {
     if (maxbin<=76) {
         for (std::size_t i=0; i < bins.size(); i++) {
             double bin_width= MAX_ASTERISK * (static_cast<double>(bins[i]) / maxbin);
-            svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bins[i]), font_size);
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bins[i]));
             svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
             top += BIN_HEIGHT;
         }
@@ -71,7 +56,7 @@ void show_histogram_svg(const std::vector<std::size_t>& bins) {
     else {
         for (std::size_t i=0; i < bins.size(); i++) {
             double bin_width = BLOCK_WIDTH * bins[i];
-            svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bins[i]), font_size);
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bins[i]));
             svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
             top += BIN_HEIGHT;
         }