From c9b725f05303eb63e262944f6f549d383072643f Mon Sep 17 00:00:00 2001
From: Alfredo Oliviero <a@netfarm.it>
Date: Mon, 9 Apr 2018 18:43:58 +0200
Subject: [PATCH] parameter for implementation of nonnative qrcode

---
 src/escpos/escpos.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/escpos/escpos.py b/src/escpos/escpos.py
index 8ef083e..f56c73d 100644
--- a/src/escpos/escpos.py
+++ b/src/escpos/escpos.py
@@ -180,7 +180,7 @@ class Escpos(object):
         self._raw(GS + b'(L' + header + m + fn + data)
 
     def qr(self, content, ec=QR_ECLEVEL_L, size=3, model=QR_MODEL_2,
-           native=False, center=False):
+           native=False, center=False, impl="bitImageRaster"):
         """ Print QR Code for the provided string
 
         :param content: The content of the code. Numeric data will be more efficiently compacted.
@@ -222,7 +222,7 @@ class Escpos(object):
 
             # Convert the RGB image in printable image
             self.text('\n')
-            self.image(im, center=center)
+            self.image(im, center=center, impl=impl)
             self.text('\n')
             self.text('\n')
             return