From 4da495a8ccf35868607cd86e422581857b0ce570 Mon Sep 17 00:00:00 2001
From: videogame hacker <half-kh-hacker@hackery.site>
Date: Mon, 13 Feb 2023 19:41:02 +0000
Subject: [PATCH] Support transparent-bg QR codes

---
 lib/qr.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/qr.ts b/lib/qr.ts
index b868097..c881c5d 100644
--- a/lib/qr.ts
+++ b/lib/qr.ts
@@ -48,6 +48,8 @@ class QrcodeDecoder {
     }
 
     this.gCtx!.clearRect(0, 0, width, height);
+    this.gCtx!.fillStyle = "#ffffff";
+    this.gCtx!.fillRect(0, 0, width, height);
     this.gCtx!.drawImage(target, 0, 0, width, height);
 
     const imageData = this.gCtx!.getImageData(