From 3e060b80428943c6562250a6ff77eff10a0259b7 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian@dold.me>
Date: Mon, 24 Oct 2022 10:46:14 +0200
Subject: repo: integrate packages from former merchant-backoffice.git

---
 packages/merchant-backend-ui/src/components/QR.tsx | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 packages/merchant-backend-ui/src/components/QR.tsx

(limited to 'packages/merchant-backend-ui/src/components/QR.tsx')

diff --git a/packages/merchant-backend-ui/src/components/QR.tsx b/packages/merchant-backend-ui/src/components/QR.tsx
new file mode 100644
index 000000000..29c9920bf
--- /dev/null
+++ b/packages/merchant-backend-ui/src/components/QR.tsx
@@ -0,0 +1,41 @@
+/*
+ This file is part of GNU Taler
+ (C) 2021 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+ import { h, VNode } from "preact";
+ import { useEffect, useRef } from "preact/hooks";
+ import qrcode from "qrcode-generator";
+ 
+export function createSVG(text:string):string {
+  const qr = qrcode(0, 'L');
+  qr.addData(text);
+  qr.make();
+  return qr.createSvgTag({
+    scalable: true,
+    margin: 0
+  });
+}
+
+ export function QR({ text }: { text: string; }):VNode {
+   const divRef = useRef<HTMLDivElement>(null);
+   useEffect(() => {
+     divRef.current.innerHTML = createSVG(text)
+   });
+ 
+   return <div style={{ width: '100%', display: 'flex', flexDirection: 'column', alignItems: 'center' }}>
+     <div style={{ width: '50%', minWidth: 200, maxWidth: 300 }} ref={divRef} />
+   </div>;
+ }
+ 
\ No newline at end of file
-- 
cgit v1.2.3

