Support transparent-bg QR codes

2023-02-13 19:41:02 +00:00 · 2023-02-13 19:41:02 +00:00 · 4da495a8cc
parent d8b037a15b
commit 4da495a8cc
1 changed files with 2 additions and 0 deletions
--- 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(