From 1316f5b340b81d690c3c166961b0fb8367443b2c Mon Sep 17 00:00:00 2001
From: DreamPiggy <lizhuoli1126@126.com>
Date: Tue, 26 Feb 2019 13:26:47 +0800
Subject: [PATCH] Fix the issue when WebP contains the ICC Profile with
 colorSpace other than RGB, which cause the CGImageCreate failed

---
 SDWebImageWebPCoder/Classes/SDImageWebPCoder.m | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m b/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
index d8bf67b..61f29fe 100644
--- a/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
+++ b/SDWebImageWebPCoder/Classes/SDImageWebPCoder.m
@@ -434,6 +434,14 @@
             NSData *profileData = [NSData dataWithBytes:chunk_iter.chunk.bytes length:chunk_iter.chunk.size];
             colorSpaceRef = CGColorSpaceCreateWithICCProfile((__bridge CFDataRef)profileData);
             WebPDemuxReleaseChunkIterator(&chunk_iter);
+            if (colorSpaceRef) {
+                // `CGImageCreate` does not support colorSpace other than RGB (such as Monochrome), we must filter the colorSpace mode
+                CGColorSpaceModel model = CGColorSpaceGetModel(colorSpaceRef);
+                if (model != kCGColorSpaceModelRGB) {
+                    CGColorSpaceRelease(colorSpaceRef);
+                    colorSpaceRef = NULL;
+                }
+            }
         }
     }