code: разделение кода на файлы

main.cpp

@@ -2,79 +2,10 @@
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svghis.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 = "red", string fill = "#79553D") {
-    cout << "<rect x='" << x
-         << "' y='" << y
-         << "' width='" << width
-         << "' height='" << height
-         << "' stroke='" << stroke
-         << "' fill='" << fill
-         << "' />";
-}
-
-void
-show_histogram_svg(const vector<size_t>& stolb) {
-    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 size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH;
-
-    svg_begin(400, 300);
-
-    size_t maxlen = 0;
-    for (size_t len : stolb)
-    {
-        if (maxlen<len) maxlen = len;
-    }
-
-    double top = 0;
-    for (size_t bin : stolb) {
-        size_t wight = bin;
-        if ((maxlen*10) > MAX_ASTERISK){
-            if (maxlen != bin) wight = MAX_ASTERISK * (static_cast <double> (bin/maxlen));
-            else if (maxlen == bin) wight = MAX_ASTERISK;
-        }
-        const double bin_width = BLOCK_WIDTH * wight;
-        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
-        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
-        top += BIN_HEIGHT;
-    }
-
-    svg_end();
-}
-
-
 struct Input {
     vector<double> numbers;
     size_t bucket{};
@@ -97,7 +28,7 @@ int main()
 {
     auto in = input_data();
     auto stolb = make_histogram(in.numbers, in.bucket, in.number_count);
-    //show_histogram_text(stolb, in.bucket);
+    show_histogram_text(stolb, in.bucket);
     show_histogram_svg(stolb);
 
     return 0;

svghis.cpp

@@ -0,0 +1,70 @@
+#include <vector>
+
+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 svg_rect(double x, double y, double width, double height,
+              std::string stroke = "red", std::string fill = "#79553D") {
+    std::cout << "<rect x='" << x
+         << "' y='" << y
+         << "' width='" << width
+         << "' height='" << height
+         << "' stroke='" << stroke
+         << "' fill='" << fill
+         << "' />";
+}
+
+void
+show_histogram_svg(const std::vector<size_t>& stolb) {
+    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 size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH;
+
+    svg_begin(400, 300);
+
+    size_t maxlen = 0;
+    for (size_t len : stolb)
+    {
+        if (maxlen<len) maxlen = len;
+    }
+
+    double top = 0;
+    for (size_t bin : stolb) {
+        size_t wight = bin;
+        if ((maxlen*10) > MAX_ASTERISK){
+            if (maxlen != bin) wight = MAX_ASTERISK * (static_cast <double> (bin/maxlen));
+            else if (maxlen == bin) wight = MAX_ASTERISK;
+        }
+        const double bin_width = BLOCK_WIDTH * wight;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, std::to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}

svghis.h

@@ -0,0 +1,10 @@
+#ifndef SVGHIS_H_INCLUDED
+#define SVGHIS_H_INCLUDED
+
+#include <vector>
+#include "svghis.cpp"
+
+void
+show_histogram_svg(const std::vector<size_t>& stolb);
+
+#endif // SVGHIS_H_INCLUDED