From 32a1a802a577f082c7877143fe61c4ae79cea73e Mon Sep 17 00:00:00 2001
From: Dick Verbunt <dick@touchwonders.com>
Date: Fri, 5 Dec 2014 10:35:21 +0100
Subject: [PATCH] Also takes alpha value into account when setting background
 color on signature view.

---
 Source/PPSSignatureView.m | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Source/PPSSignatureView.m b/Source/PPSSignatureView.m
index 9ad6d1e..7535750 100644
--- a/Source/PPSSignatureView.m
+++ b/Source/PPSSignatureView.m
@@ -387,10 +387,12 @@ - (void)setBackgroundColor:(UIColor *)backgroundColor {
         clearColor[0] = red;
         clearColor[1] = green;
         clearColor[2] = blue;
+        clearColor[3] = alpha;
     } else if ([backgroundColor getWhite:&white alpha:&alpha]) {
         clearColor[0] = white;
         clearColor[1] = white;
         clearColor[2] = white;
+        clearColor[3] = alpha;
     }
 }