From abd47feb26d0d8784afa1f632578251def354389 Mon Sep 17 00:00:00 2001
From: Vesa Karvonen <vesa.a.j.k@gmail.com>
Date: Tue, 8 Aug 2023 22:36:52 +0300
Subject: [PATCH] Logo (#123)

Logo for Kcas
---
 README.md    | 10 ++++++++
 doc/kcas.svg | 65 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)
 create mode 100644 doc/kcas.svg

diff --git a/README.md b/README.md
index 2ff4a263..cc53e044 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,14 @@
 The API was redesigned in version 0.2.0 &mdash; see
 [API reference for version 0.1.8](https://ocaml-multicore.github.io/kcas/0.1.8/kcas/Kcas/index.html).)</sup></sub>
 
+<div align="center">
+
+<img width="30%" src="doc/kcas.svg">
+
 # **kcas** &mdash; STM based on lock-free MCAS
 
+</div>
+
 [**kcas**](https://ocaml-multicore.github.io/kcas/doc/kcas/Kcas/index.html)
 provides a software transactional memory (STM) implementation based on an atomic
 [lock-free](https://en.wikipedia.org/wiki/Non-blocking_algorithm#Lock-freedom)
@@ -49,6 +55,10 @@ most practical needs.
 **kcas** is [published on **opam**](https://opam.ocaml.org/packages/kcas/) and
 is distributed under the [ISC license](LICENSE.md).
 
+[![OCaml-CI Build Status](https://img.shields.io/endpoint?url=https%3A%2F%2Fci.ocamllabs.io%2Fbadge%2Focaml-multicore%2Fkcas%2Fmain&logo=ocaml&style=flat-square)](https://ci.ocamllabs.io/github/ocaml-multicore/kcas)
+[![GitHub release (latest by date)](https://img.shields.io/github/v/release/ocaml-multicore/kcas?style=flat-square&color=09aa89)](https://github.com/ocaml-multicore/kcas/releases/latest)
+[![docs](https://img.shields.io/badge/doc-online-blue.svg?style=flat-square)](https://ocaml-multicore.github.io/kcas/doc/)
+
 ## Contents
 
 - [A quick tour](#a-quick-tour)
diff --git a/doc/kcas.svg b/doc/kcas.svg
new file mode 100644
index 00000000..82dde500
--- /dev/null
+++ b/doc/kcas.svg
@@ -0,0 +1,65 @@
+<svg width="400" height="400" viewBox="0 0 140 140" xmlns="http://www.w3.org/2000/svg">
+  <filter id='effect'>
+    <feGaussianBlur stdDeviation="2 0.5" />
+  </filter>
+  <g transform="translate(10 10)">
+    <g filter="url(#effect)" transform="translate(60 60) rotate(30 0 0)">
+      <ellipse
+        cx="0"
+        cy="0"
+        rx="60"
+        ry="25"
+        fill="none"
+        stroke="#ef7208"
+        pathLength="360"
+        stroke-width="7"
+        stroke-dasharray="160 20"/>
+      <path
+        d="M54 0 L66 0 L60 -8"
+        fill="#ef7208"/>
+      <path
+        d="M-54 0 L-66 0 L-60 8"
+        fill="#ef7208"/>
+    </g>
+    <g filter="url(#effect)" transform="translate(60 60) rotate(90 0 0)">
+      <ellipse
+        cx="0"
+        cy="0"
+        rx="60"
+        ry="25"
+        fill="none"
+        stroke="#ef7a08"
+        pathLength="360"
+        stroke-width="7"
+        stroke-dasharray="160 20"/>
+      <path
+        d="M54 0 L66 0 L60 -8"
+        fill="#ef7a08"/>
+      <path
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+        fill="#ef7a08"/>
+    </g>
+    <g filter="url(#effect)" transform="translate(60 60) rotate(150 0 0)">
+      <ellipse
+        cx="0"
+        cy="0"
+        rx="60"
+        ry="25"
+        fill="none"
+        stroke="#ef8208"
+        pathLength="360"
+        stroke-width="7"
+        stroke-dasharray="160 20"/>
+      <path
+        d="M54 0 L66 0 L60 -8"
+        fill="#ef8208"/>
+      <path
+        d="M-54 0 L-66 0 L-60 8"
+        fill="#ef8208"/>
+    </g>
+    <path d="M45 60 L55 70 L75 50"
+          fill="none"
+          stroke="#2EBB57"
+          stroke-width="9"/>
+  </g>
+</svg>