personal variant final

histogram_internal.h

@@ -1,4 +1,7 @@
 #pragma once
 #include <vector>
+#include<string>
 
-void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+void find_minmax(const std::vector<double>& numbers, double& min, double& max);
+std::string
+bin_color(size_t bin, size_t mxbins);

svg.cpp

@@ -22,6 +22,9 @@ svg_text(double left, double baseline, std::string 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='"<<stroke<<"' fill='"<<fill<<"'/>";
 }
+//std::string bin_color(size_t bin, size_t mxbins) {
+//    return("#" + std::to_string((10 - floor((bin) * 9 / mxbins))) + std::to_string((10 - floor((bin) * 9 / mxbins))) + std::to_string((10 - floor((bin) * 9 / mxbins))));
+//}
 
 void show_histogram_svg(const std::vector<size_t>& bins, size_t bin_count) {
     const auto IMAGE_WIDTH = 400;
@@ -45,12 +48,10 @@ void show_histogram_svg(const std::vector<size_t>& bins, size_t bin_count) {
     svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
     double top = 0;
     for (size_t bin : bins) {
-        int key = (10 - floor((bin) * 9 / mxbins));
-        std::string color = "#" +std::to_string(key)+ std::to_string(key)+ std::to_string(key);
-
+       /* std::string color = bin_color(bin,mxbins);*/
         const double bin_width = BLOCK_WIDTH * bin*k;
         svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT,color,color);
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red", "#ffeeee");///color,color äëÿ ïåðñîíàëüíîãî âàðèàíòà
         top += BIN_HEIGHT;
     }
     svg_end();

svg.h

@@ -1,4 +1,19 @@
 #pragma once
 #include <vector>
+#include<string>
+void
+svg_begin(double width, double height);
 
-void show_histogram_svg(const std::vector<size_t>& bins, size_t bin_count);
+void
+svg_end();
+
+void show_histogram_svg(const std::vector<size_t>& bins, size_t bin_count);
+
+void
+svg_text(double left, double baseline, std::string text);
+
+//std::string
+//bin_color(size_t bin, size_t mxbins);
+
+void
+svg_rect(double x, double y, double width, double height, std::string stroke , std::string fill );