From 048bdbb751ed19a357d58438ce1f2e15ae7dc4b1 Mon Sep 17 00:00:00 2001
From: Olivier Poitrey <rs@dailymotion.com>
Date: Sun, 4 Nov 2012 00:51:35 +0100
Subject: [PATCH] Fix alpha handling in image decoder (fix #204)

---
 SDWebImage/SDWebImageDecoder.m | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/SDWebImage/SDWebImageDecoder.m b/SDWebImage/SDWebImageDecoder.m
index 06b6e2d..fe10d0b 100644
--- a/SDWebImage/SDWebImageDecoder.m
+++ b/SDWebImage/SDWebImageDecoder.m
@@ -104,8 +104,8 @@ static SDWebImageDecoder *sharedInstance;
                               alphaInfo != kCGImageAlphaNoneSkipFirst &&
                               alphaInfo != kCGImageAlphaNoneSkipLast);
 
-    int bytesPerPixel = imageHasAlphaInfo ? 4 : 3;
-    CGBitmapInfo bitmapInfo = imageHasAlphaInfo ? kCGImageAlphaPremultipliedLast : kCGImageAlphaNone;
+    int bytesPerPixel = alphaInfo != kCGImageAlphaNone ? 4 : 3;
+    CGBitmapInfo bitmapInfo = imageHasAlphaInfo ? kCGImageAlphaPremultipliedLast : alphaInfo;
 
     CGContextRef context = CGBitmapContextCreate(NULL,
                                                  CGImageGetWidth(imageRef),