diff --git a/SDWebImage/Core/NSImage+Compatibility.m b/SDWebImage/Core/NSImage+Compatibility.m
index 7de0c703..ce67151e 100644
--- a/SDWebImage/Core/NSImage+Compatibility.m
+++ b/SDWebImage/Core/NSImage+Compatibility.m
@@ -35,8 +35,8 @@
     NSImageRep *imageRep = [self bestRepresentationForRect:imageRect context:nil hints:nil];
     CGFloat width = imageRep.size.width;
     CGFloat height = imageRep.size.height;
-    NSUInteger pixelWidth = imageRep.pixelsWide;
-    NSUInteger pixelHeight = imageRep.pixelsHigh;
+    CGFloat pixelWidth = (CGFloat)imageRep.pixelsWide;
+    CGFloat pixelHeight = (CGFloat)imageRep.pixelsHigh;
     if (width > 0 && height > 0) {
         CGFloat widthScale = pixelWidth / width;
         CGFloat heightScale = pixelHeight / height;
diff --git a/SDWebImage/Core/SDImageIOAnimatedCoder.m b/SDWebImage/Core/SDImageIOAnimatedCoder.m
index 837e59cd..d4d739ec 100644
--- a/SDWebImage/Core/SDImageIOAnimatedCoder.m
+++ b/SDWebImage/Core/SDImageIOAnimatedCoder.m
@@ -191,8 +191,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
     // Some options need to pass to `CGImageSourceCopyPropertiesAtIndex` before `CGImageSourceCreateImageAtIndex`, or ImageIO will ignore them because they parse once :)
     // Parse the image properties
     NSDictionary *properties = (__bridge_transfer NSDictionary *)CGImageSourceCopyPropertiesAtIndex(source, index, (__bridge CFDictionaryRef)options);
-    NSUInteger pixelWidth = [properties[(__bridge NSString *)kCGImagePropertyPixelWidth] unsignedIntegerValue];
-    NSUInteger pixelHeight = [properties[(__bridge NSString *)kCGImagePropertyPixelHeight] unsignedIntegerValue];
+    CGFloat pixelWidth = [properties[(__bridge NSString *)kCGImagePropertyPixelWidth] doubleValue];
+    CGFloat pixelHeight = [properties[(__bridge NSString *)kCGImagePropertyPixelHeight] doubleValue];
     CGImagePropertyOrientation exifOrientation = (CGImagePropertyOrientation)[properties[(__bridge NSString *)kCGImagePropertyOrientation] unsignedIntegerValue];
     if (!exifOrientation) {
         exifOrientation = kCGImagePropertyOrientationUp;
@@ -503,8 +503,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
         maxPixelSize = maxPixelSizeValue.CGSizeValue;
 #endif
     }
-    NSUInteger pixelWidth = CGImageGetWidth(imageRef);
-    NSUInteger pixelHeight = CGImageGetHeight(imageRef);
+    CGFloat pixelWidth = (CGFloat)CGImageGetWidth(imageRef);
+    CGFloat pixelHeight = (CGFloat)CGImageGetHeight(imageRef);
     CGFloat finalPixelSize = 0;
     if (maxPixelSize.width > 0 && maxPixelSize.height > 0 && pixelWidth > maxPixelSize.width && pixelHeight > maxPixelSize.height) {
         CGFloat pixelRatio = pixelWidth / pixelHeight;
diff --git a/SDWebImage/Core/SDImageIOCoder.m b/SDWebImage/Core/SDImageIOCoder.m
index d858125d..8e1199f4 100644
--- a/SDWebImage/Core/SDImageIOCoder.m
+++ b/SDWebImage/Core/SDImageIOCoder.m
@@ -250,8 +250,8 @@ static NSString * kSDCGImageDestinationRequestedFileSize = @"kCGImageDestination
         maxPixelSize = maxPixelSizeValue.CGSizeValue;
 #endif
     }
-    NSUInteger pixelWidth = CGImageGetWidth(imageRef);
-    NSUInteger pixelHeight = CGImageGetHeight(imageRef);
+    CGFloat pixelWidth = (CGFloat)CGImageGetWidth(imageRef);
+    CGFloat pixelHeight = (CGFloat)CGImageGetHeight(imageRef);
     if (maxPixelSize.width > 0 && maxPixelSize.height > 0 && pixelWidth > maxPixelSize.width && pixelHeight > maxPixelSize.height) {
         CGFloat pixelRatio = pixelWidth / pixelHeight;
         CGFloat maxPixelSizeRatio = maxPixelSize.width / maxPixelSize.height;
diff --git a/SDWebImage/Core/UIView+WebCache.m b/SDWebImage/Core/UIView+WebCache.m
index 11588502..35f10362 100644
--- a/SDWebImage/Core/UIView+WebCache.m
+++ b/SDWebImage/Core/UIView+WebCache.m
@@ -12,6 +12,7 @@
 #import "SDWebImageError.h"
 #import "SDInternalMacros.h"
 #import "SDWebImageTransitionInternal.h"
+#import "SDImageCache.h"
 
 const int64_t SDWebImageProgressUnitCountUnknown = 1LL;