рабочая версия до индивидуального задания

lab3.depend

@@ -1,8 +1,9 @@
 # depslib dependency file v1.0
-1686343289 source:c:\users\kostello\desktop\lubs\lab03.2\main.cpp
+1686350213 source:c:\users\kostello\desktop\lubs\lab03.2\main.cpp
 	<string>
 	"histogram.h"
 	"text.h"
+	"svg.h"
 
 1686342281 source:c:\users\kostello\desktop\lubs\lab03.2\histogram.cpp
 	"histogram.h"
@@ -10,10 +11,19 @@
 1686342254 c:\users\kostello\desktop\lubs\lab03.2\histogram.h
 	<vector>
 
-1686342636 source:c:\users\kostello\desktop\lubs\lab03.2\text.cpp
+1686349618 source:c:\users\kostello\desktop\lubs\lab03.2\text.cpp
 	"text.h"
+	<math.h>
 
 1686343275 c:\users\kostello\desktop\lubs\lab03.2\text.h
 	<vector>
 	<iostream>
 
+1686349467 c:\users\kostello\desktop\lubs\lab03.2\svg.h
+	<iostream>
+	<vector>
+
+1686349791 source:c:\users\kostello\desktop\lubs\lab03.2\svg.cpp
+	"svg.h"
+	<math.h>
+

main.cpp

@@ -2,6 +2,7 @@
 #include <string>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 
 
 using namespace std;
@@ -42,7 +43,7 @@ int main()
 {
     auto in = input_data();
     auto bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins, in.bin_count);
+    show_histogram_svg(bins);
 
     return 0;
 }

svg.cpp

@@ -0,0 +1,53 @@
+#include "svg.h"
+#include <math.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, string fill){
+cout << "<rect x='" << x << "' y='" << y << "' width='" << width * 3 << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />";
+}
+
+
+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;
+
+    svg_begin(400, 300);
+    double top = 0;
+        for (size_t bin : bins) {
+        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, "red", "#ffeeee");
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}
+

svg.h

@@ -0,0 +1,9 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <iostream>
+#include <vector>
+
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif // SVG_H_INCLUDED

text.cpp

@@ -1,7 +1,7 @@
 #include "text.h"
-#include <vector>
+
 #include <math.h>
-#include <iostream>
+
 
 using namespace std;