From e5d8445c8042c3a1558a8b9d1d23474438606d6a Mon Sep 17 00:00:00 2001
From: "lab01(PokhilAA)" <PokhilAA@mpei.ru>
Date: Sun, 5 May 2024 17:05:18 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D1=84=D0=B0=D0=B9=D0=BB=20=D1=80=D0=B5?=
 =?UTF-8?q?=D0=B0=D0=BB=D0=B8=D0=B7=D0=B0=D1=86=D0=B8=D0=B83?=
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---
 svg.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 svg.cpp

diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..51fe831
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,60 @@
+#include <iostream>
+#include <vector>
+#include <string>
+#include "svg.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 << "' height='" << height << "' stroke='" << stroke << "' fill='" << fill << "' />";
+}
+
+
+
+void
+show_histogram_svg(const vector<double> &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;
+
+size_t max_count = 0;
+    for (double bin: bins){
+        if (bin > max_count) {
+            max_count = bin;
+        }
+    }
+
+svg_begin(400, 300);
+double top = 0;
+    for (size_t bin : bins) {
+        const double bin_width = (IMAGE_WIDTH - TEXT_WIDTH) * bin / max_count;
+        svg_text(TEXT_LEFT, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(TEXT_WIDTH, top, bin_width, BIN_HEIGHT, "red", "48d1cc");
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}