From 7558f0253817dc04d5d1264a0ed1c840f061e60f Mon Sep 17 00:00:00 2001
From: Andrew Ekstedt <andrew.ekstedt@gmail.com>
Date: Fri, 12 Oct 2018 13:12:15 -0700
Subject: [PATCH] correct image.Image implementation

codeImage.At didn't take scaling or the image border into account when
looking up pixel values.
---
 qr.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qr.go b/qr.go
index ace7e6f..ba9fdcb 100644
--- a/qr.go
+++ b/qr.go
@@ -105,7 +105,7 @@ func (c *codeImage) Bounds() image.Rectangle {
 }
 
 func (c *codeImage) At(x, y int) color.Color {
-	if c.Black(x, y) {
+	if c.Black(x/c.Scale-4, y/c.Scale-4) {
 		return blackColor
 	}
 	return whiteColor