From 77f57fe87340c36d9f187b9800064e2db0099f91 Mon Sep 17 00:00:00 2001
From: DevyatovaMY <DevyatovaMY@mpei.ru>
Date: Sun, 21 Apr 2024 18:22:48 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=B2=D1=8B=D0=B2=D0=BE=D0=B4=20=D0=B3?=
 =?UTF-8?q?=D0=B8=D1=81=D1=82=D0=BE=D0=B3=D1=80=D0=B0=D0=BC=D0=BC=D1=8B=20?=
 =?UTF-8?q?=D0=B2=20=D1=84=D0=BE=D1=80=D0=BC=D0=B0=D1=82=D0=B5=20SVG?=
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---
 main.cpp |  5 ++---
 svg.cpp  | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 svg.h    |  9 +++++++++
 3 files changed, 71 insertions(+), 3 deletions(-)
 create mode 100644 svg.cpp
 create mode 100644 svg.h

diff --git a/main.cpp b/main.cpp
index d79dfdc..8c2000b 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,8 +1,7 @@
 #include <iostream>
 #include <vector>
 #include "histogram.h"
-#include "text.h"
-
+#include "svg.h"
 
 using namespace std;
 
@@ -33,5 +32,5 @@ int main()
 {
     Input in = input_data();
     vector<size_t> bins = make_histogram(in.numbers, in.bin_count);
-    show_histogram_text(bins, in.bin_count);
+    show_histogram_svg(bins);
 }
diff --git a/svg.cpp b/svg.cpp
new file mode 100644
index 0000000..b37f5a1
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,60 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include "svg.h"
+
+using namespace std;
+
+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 = "black", string fill = "black") {
+    cout << "<rect x='" << x
+    << "' y='" << y
+    << "' width='" << width
+    << "' height='" << height
+    << "' stroke='" << stroke
+    << "' fill='" << fill
+    << "' />\n";
+}
+
+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
+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;
+    svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+    double top = 0;
+    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);
+        top += BIN_HEIGHT;
+    }
+    svg_end();
+}
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..85ae932
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,9 @@
+#ifndef SVG_H_INCLUDED
+#define SVG_H_INCLUDED
+
+#include <vector>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins);
+
+#endif // SVG_H_INCLUDED