[darwin] Fixes CGImageRef leak when creating a map snapshot (#10585)

2017-11-28 14:51:30 -08:00
parent 09b97e037c
commit c178bd2d25
1 changed files with 6 additions and 2 deletions
--- a/platform/darwin/src/MGLMapSnapshotter.mm
+++ b/platform/darwin/src/MGLMapSnapshotter.mm
@@ -321,14 +321,18 @@ const CGFloat MGLSnapshotterMinimumPixelSize = 64;
    
    CIContext *ctx = [CIContext contextWithOptions:nil];
    CGImageRef cgimg = [ctx createCGImage:blurredImage fromRect:[backgroundImage extent]];
+    MGLImage *image;
    
 #if TARGET_OS_IPHONE
    
-    return [UIImage imageWithCGImage:cgimg];
+    image = [UIImage imageWithCGImage:cgimg];
 #else
    
-    return [[NSImage alloc] initWithCGImage:cgimg size:[backgroundImage extent].size];
+    image = [[NSImage alloc] initWithCGImage:cgimg size:[backgroundImage extent].size];
 #endif
+
+    CGImageRelease(cgimg);
+    return image;
 }

 - (void)cancel