From a1a63a7b14575507552764f24b9c625651e2bfc8 Mon Sep 17 00:00:00 2001
From: "Senya (YershovArA)" <YershovArA@mpei.ru>
Date: Sun, 4 Jun 2023 14:06:36 +0300
Subject: [PATCH] code:;;;;

---
 .gitignore |  7 ++++++
 svg.cpp    | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 svg.cpp

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..51b8cc7
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,7 @@
+/bin
+/obj
+111.c
+lab01.cpp
+lab_01.layout
+git.ignore.c
+
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..5437a34
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,65 @@
+#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) {
+    const auto IMAGE_WIDTH = 400;
+    const auto IMAGE_HEIGHT = 300;
+    const auto TEXT_LEFT = 10;
+    const auto TEXT_BASELINE = 20;
+    const auto TEXT_WIDTH = 50;
+    const auto BIN_HEIGHT = 30;
+    const auto BLOCK_WIDTH = 10;
+    const auto MAX_WIDTH = IMAGE_WIDTH-TEXT_WIDTH;
+
+
+    svg_begin(IMAGE_WIDTH,IMAGE_HEIGHT);
+
+    double top = 0;
+double max_count = bins[0];
+    for (size_t i = 0; i < bins.size(); i++) {
+        if (bins[i] > max_count)
+            max_count = bins[i];
+    }
+    for (size_t bin : bins) {
+        const double bin_width = MAX_WIDTH * (bin/max_count);
+        const double emptiness_width = MAX_WIDTH - bin_width;
+        svg_rect(0, top, emptiness_width, BIN_HEIGHT, "white", "#ffffff");
+        svg_text(TEXT_LEFT + MAX_WIDTH, top + TEXT_BASELINE, to_string(bin));
+        svg_rect(emptiness_width, top, bin_width, BIN_HEIGHT, "red", "#aaffaa");
+        top += BIN_HEIGHT;
+    }
+
+    svg_end();
+}