From b1dff17e5cb5a78f814596f656529652c48bc355 Mon Sep 17 00:00:00 2001
From: Anastasia <BogoslovAN@mpei.ru>
Date: Tue, 14 Oct 2025 18:14:03 +0300
Subject: [PATCH] =?UTF-8?q?code:=20svg=20=D1=80=D0=B0=D0=B7=D0=BC=D0=B5?=
 =?UTF-8?q?=D1=82=D0=BA=D0=B0?=
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---
 lab01/lab01.cpp | 71 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/lab01/lab01.cpp b/lab01/lab01.cpp
index b4d9a48..70b0be3 100644
--- a/lab01/lab01.cpp
+++ b/lab01/lab01.cpp
@@ -4,6 +4,74 @@
 
 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{};
@@ -27,7 +95,8 @@ 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;
 }