From d22efb57b9b3e8ce09cd7acd8c71ef8ded4674c8 Mon Sep 17 00:00:00 2001
From: "Alexander (AntonovichAN)" <AntonovichAN@mpei.ru>
Date: Sat, 5 Oct 2024 22:01:55 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=BF=D1=83=D0=BD=D0=BA=D1=82=205=20?=
 =?UTF-8?q?=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=82=20SVG?=
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---
 main.cpp |  2 ++
 svg.cpp  | 62 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 svg.h    | 10 +++++++++
 3 files changed, 74 insertions(+)
 create mode 100644 svg.cpp
 create mode 100644 svg.h

diff --git a/main.cpp b/main.cpp
index f333476..7b69fed 100644
--- a/main.cpp
+++ b/main.cpp
@@ -2,6 +2,7 @@
 #include <vector>
 #include "histogram.h"
 #include "text.h"
+#include "svg.h"
 
 using namespace std;
 
@@ -36,6 +37,7 @@ int main(){
     Input 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;
 }
 
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..19eb452
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,62 @@
+#include "svg.h"
+#include <iostream>
+
+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;
+    double top = 0;
+    const size_t MAX_ASTERISK = IMAGE_WIDTH - TEXT_WIDTH;
+    svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
+    double top = 0;
+
+    size_t maxbin=bins[0];
+    for (size_t i=0; i < bins.size(); i++){
+        if (maxbin < bins[i]){
+            maxbin=bins[i];
+        }
+    }
+
+    if (maxbin<=76){
+        for (size_t i=0; i < bins.size(); i++) {
+            double bin_width = BLOCK_WIDTH * bins[i];
+            svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bins[i]));
+            svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+            top += BIN_HEIGHT;
+        }
+        svg_end();
+    } else {
+        for (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, to_string(bins[i]));
+            svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT);
+            top += BIN_HEIGHT;
+        }
+    }
+    svg_end();
+}
+
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..e7ec163
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,10 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <string>
+#include <vector>
+
+void show_histogram_svg(const std::vector<size_t>& bins);
+
+
+#endif // SVG_H_INCLUDED