From 7fa6237e3e7be16adc36a2ed4c164f34d128bf94 Mon Sep 17 00:00:00 2001
From: LykovaYA <LykovaYA@mpei.ru>
Date: Thu, 21 Nov 2024 21:20:51 +0300
Subject: [PATCH] =?UTF-8?q?code:=20=D0=A4=D0=B0=D0=B9=D0=BB=D1=8B=20=D1=86?=
=?UTF-8?q?=D0=B2=D0=B5=D1=82=D0=BD=D0=BE=D0=B3=D0=BE=20=D0=B2=D1=8B=D0=B2?=
=?UTF-8?q?=D0=BE=D0=B4=D0=B0?=
MIME-Version: 1.0
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---
svg.cpp | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
svg.h | 5 +++++
2 files changed, 74 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..d7946aa
--- /dev/null
+++ b/svg.cpp
@@ -0,0 +1,69 @@
+#include <iostream>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+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;
+
+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 + 100 << "' ";
+ 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> \n";
+}
+
+void
+svg_rect(double x, double y, double width, double height) {
+ cout << "<rect x='" << x << "' y='" << y << "' width='" << width << "' height='" << height << "' stroke='#6600CC' fill='#aaffaa' /> \n";
+}
+
+
+void
+show_histogram_svg(const vector<size_t>& bins) {
+ double top = 0.0;
+ double move = 0.0;
+ svg_begin(IMAGE_WIDTH, IMAGE_HEIGHT);
+ double k = 1.0;
+ size_t max_bin = bins[0];
+ for (size_t bin : bins) {
+ if (bin > max_bin) {
+ max_bin = bin;
+ }
+ }
+ if (max_bin * 10 > IMAGE_HEIGHT) {
+ k = double(IMAGE_HEIGHT - 10) / (max_bin * 10);
+ }
+ for (size_t bin : bins) {
+ svg_text(TEXT_LEFT + move, TEXT_BASELINE, to_string(bin));
+ move += BIN_HEIGHT;
+ }
+ top += 3 * BLOCK_WIDTH;
+ move = 13.0;
+ for (size_t bin : bins) {
+
+ const double bin_width = BLOCK_WIDTH * bin * k;
+ svg_rect(move, top, BIN_HEIGHT, bin_width);
+ move += BIN_HEIGHT;
+ }
+ svg_end();
+}
\ No newline at end of file
diff --git a/svg.h b/svg.h
new file mode 100644
index 0000000..5e3353c
--- /dev/null
+++ b/svg.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins);