From 11de346da282821b922ad1600c6c0bec95ce6622 Mon Sep 17 00:00:00 2001
From: endroid <info@endroid.nl>
Date: Fri, 19 Jan 2018 09:53:24 +0000
Subject: [PATCH] Set alpha to 0 when not passed

---
 src/QrCode.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/QrCode.php b/src/QrCode.php
index 93bfa05..30af308 100644
--- a/src/QrCode.php
+++ b/src/QrCode.php
@@ -98,6 +98,10 @@ public function getMargin(): int
 
     public function setForegroundColor(array $foregroundColor): void
     {
+        if (!isset($foregroundColor['a'])) {
+            $foregroundColor['a'] = 0;
+        }
+
         $this->foregroundColor = $foregroundColor;
     }
 
@@ -108,6 +112,10 @@ public function getForegroundColor(): array
 
     public function setBackgroundColor(array $backgroundColor): void
     {
+        if (!isset($backgroundColor['a'])) {
+            $backgroundColor['a'] = 0;
+        }
+
         $this->backgroundColor = $backgroundColor;
     }