From 1e483708e8665c1a68241d3e0ef4a57507ab7142 Mon Sep 17 00:00:00 2001
From: SidoraDA <SidoraDA@mpei.ru>
Date: Mon, 5 Jun 2023 13:54:18 +0400
Subject: [PATCH] =?UTF-8?q?build:=20=D0=B4=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB?=
 =?UTF-8?q?=D0=B5=D0=BD=20svg?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 svg.cpp | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 svg.h   |  8 ++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 svg.cpp
 create mode 100644 svg.h

diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..2fa3399
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,62 @@
+#include <math.h>
+#include <iostream>
+#include <conio.h>
+#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<size_t>& bins, size_t BIN_HEIGHT, size_t bin_count) {
+
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 700;
+    const auto TEXT_LEFT = 20;
+    const auto TEXT_BASELINE = 20;
+    const auto TEXT_WIDTH = 50;
+    const auto BLOCK_WIDTH = 10;
+
+    svg_begin(400, 700);
+    double top = 0;
+    if ( BIN_HEIGHT > IMAGE_HEIGHT)
+    {
+        BIN_HEIGHT = IMAGE_HEIGHT / bin_count;
+    }
+    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, "darkslategray", "#f716ac");
+    top += BIN_HEIGHT;
+    }
+    svg_end();
+}
+
+
+
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..0207fc0
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,8 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+void
+show_histogram_svg(const std::vector<size_t>& B, size_t BIN_HEIGHT, size_t bin_count);
+
+#endif // SVG_H_INCLUDED