Removing UIImage category in favor of static function to resize image…

…s in UIImageView category implementation

AFNetworking/UIImageView+AFNetworking.m

@@ -24,10 +24,38 @@
 #import <objc/runtime.h>
 
 #import "UIImageView+AFNetworking.h"
-#import "UIImage+AFNetworking.h"
 
 #import "AFImageCache.h"
 
+static UIImage * AFImageByScalingAndCroppingImageToSize(UIImage *image, CGSize size) {
+    if (image == nil) {
+        return nil;
+    } else if (CGSizeEqualToSize(image.size, size) || CGSizeEqualToSize(size, CGSizeZero)) {
+        return image;
+    }
+
+    CGSize scaledSize = size;
+	CGPoint thumbnailPoint = CGPointZero;
+
+    CGFloat widthFactor = size.width / image.size.width;
+    CGFloat heightFactor = size.height / image.size.height;
+    CGFloat scaleFactor = (widthFactor > heightFactor) ? widthFactor : heightFactor;
+    scaledSize.width = image.size.width * scaleFactor;
+    scaledSize.height = image.size.height * scaleFactor;
+    if (widthFactor > heightFactor) {
+        thumbnailPoint.y = (size.height - scaledSize.height) * 0.5; 
+    } else if (widthFactor < heightFactor) {
+        thumbnailPoint.x = (size.width - scaledSize.width) * 0.5;
+    }
+
+    UIGraphicsBeginImageContextWithOptions(size, NO, 0.0); 
+    [image drawInRect:CGRectMake(thumbnailPoint.x, thumbnailPoint.y, scaledSize.width, scaledSize.height)];
+    UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext();
+    UIGraphicsEndImageContext();
+
+	return newImage;
+}
+
 static NSString * const kUIImageViewImageRequestObjectKey = @"_af_imageRequestOperation";
 
 @interface UIImageView (_AFNetworking)
@@ -104,7 +132,7 @@ - (void)setImageWithURL:(NSURL *)url
 
         self.imageRequestOperation = [AFImageRequestOperation operationWithRequest:request imageProcessingBlock:^UIImage *(UIImage *image) {
             if (placeholderImage) {
-                image = [UIImage imageByScalingAndCroppingImage:image size:placeholderImage.size];
+                image = AFImageByScalingAndCroppingImageToSize(image, placeholderImage.size);
             }
 
             return image;

Example/AFNetworking Example.xcodeproj/project.pbxproj

@@ -13,7 +13,6 @@
 		F874B5DC13E0AA6500B28E3E /* AFJSONRequestOperation.m in Sources */ = {isa = PBXBuildFile; fileRef = F874B5CC13E0AA6500B28E3E /* AFJSONRequestOperation.m */; };
 		F874B5DD13E0AA6500B28E3E /* AFNetworkActivityIndicatorManager.m in Sources */ = {isa = PBXBuildFile; fileRef = F874B5CD13E0AA6500B28E3E /* AFNetworkActivityIndicatorManager.m */; };
 		F874B5DE13E0AA6500B28E3E /* AFRestClient.m in Sources */ = {isa = PBXBuildFile; fileRef = F874B5CE13E0AA6500B28E3E /* AFRestClient.m */; };
-		F874B5DF13E0AA6500B28E3E /* UIImage+AFNetworking.m in Sources */ = {isa = PBXBuildFile; fileRef = F874B5CF13E0AA6500B28E3E /* UIImage+AFNetworking.m */; };
 		F874B5E013E0AA6500B28E3E /* UIImageView+AFNetworking.m in Sources */ = {isa = PBXBuildFile; fileRef = F874B5D013E0AA6500B28E3E /* UIImageView+AFNetworking.m */; };
 		F8D25D191396A9D300CF3BD6 /* placeholder-stamp.png in Resources */ = {isa = PBXBuildFile; fileRef = F8D25D171396A9D300CF3BD6 /* placeholder-stamp.png */; };
 		F8D25D1A1396A9D300CF3BD6 /* [email protected] in Resources */ = {isa = PBXBuildFile; fileRef = F8D25D181396A9D300CF3BD6 /* [email protected] */; };
@@ -39,15 +38,13 @@
 		F874B5CC13E0AA6500B28E3E /* AFJSONRequestOperation.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = AFJSONRequestOperation.m; path = ../AFNetworking/AFJSONRequestOperation.m; sourceTree = "<group>"; };
 		F874B5CD13E0AA6500B28E3E /* AFNetworkActivityIndicatorManager.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = AFNetworkActivityIndicatorManager.m; path = ../AFNetworking/AFNetworkActivityIndicatorManager.m; sourceTree = "<group>"; };
 		F874B5CE13E0AA6500B28E3E /* AFRestClient.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = AFRestClient.m; path = ../AFNetworking/AFRestClient.m; sourceTree = "<group>"; };
-		F874B5CF13E0AA6500B28E3E /* UIImage+AFNetworking.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "UIImage+AFNetworking.m"; path = "../AFNetworking/UIImage+AFNetworking.m"; sourceTree = "<group>"; };
 		F874B5D013E0AA6500B28E3E /* UIImageView+AFNetworking.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; name = "UIImageView+AFNetworking.m"; path = "../AFNetworking/UIImageView+AFNetworking.m"; sourceTree = "<group>"; };
 		F874B5D113E0AA6500B28E3E /* AFHTTPRequestOperation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AFHTTPRequestOperation.h; path = ../AFNetworking/AFHTTPRequestOperation.h; sourceTree = "<group>"; };
 		F874B5D213E0AA6500B28E3E /* AFImageCache.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AFImageCache.h; path = ../AFNetworking/AFImageCache.h; sourceTree = "<group>"; };
 		F874B5D313E0AA6500B28E3E /* AFImageRequestOperation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AFImageRequestOperation.h; path = ../AFNetworking/AFImageRequestOperation.h; sourceTree = "<group>"; };
 		F874B5D413E0AA6500B28E3E /* AFJSONRequestOperation.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AFJSONRequestOperation.h; path = ../AFNetworking/AFJSONRequestOperation.h; sourceTree = "<group>"; };
 		F874B5D513E0AA6500B28E3E /* AFNetworkActivityIndicatorManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = AFNetworkActivityIndicatorManager.h; path = ../AFNetworking/AFNetworkActivityIndicatorManager.h; sourceTree = "<group>"; };
 		F874B5D613E0AA6500B28E3E /* AFRestClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; lineEnding = 0; name = AFRestClient.h; path = ../AFNetworking/AFRestClient.h; sourceTree = "<group>"; xcLanguageSpecificationIdentifier = xcode.lang.objcpp; };
-		F874B5D713E0AA6500B28E3E /* UIImage+AFNetworking.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "UIImage+AFNetworking.h"; path = "../AFNetworking/UIImage+AFNetworking.h"; sourceTree = "<group>"; };
 		F874B5D813E0AA6500B28E3E /* UIImageView+AFNetworking.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = "UIImageView+AFNetworking.h"; path = "../AFNetworking/UIImageView+AFNetworking.h"; sourceTree = "<group>"; };
 		F8D25D101396A9C400CF3BD6 /* JSONKit.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = JSONKit.h; sourceTree = "<group>"; };
 		F8D25D111396A9C400CF3BD6 /* JSONKit.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = JSONKit.m; sourceTree = "<group>"; };
@@ -98,8 +95,6 @@
 		F85CE2D613EC47BC00BFAE01 /* Categories */ = {
 			isa = PBXGroup;
 			children = (
-				F874B5D713E0AA6500B28E3E /* UIImage+AFNetworking.h */,
-				F874B5CF13E0AA6500B28E3E /* UIImage+AFNetworking.m */,
 				F874B5D813E0AA6500B28E3E /* UIImageView+AFNetworking.h */,
 				F874B5D013E0AA6500B28E3E /* UIImageView+AFNetworking.m */,
 			);
@@ -341,7 +336,6 @@
 				F874B5DC13E0AA6500B28E3E /* AFJSONRequestOperation.m in Sources */,
 				F874B5DD13E0AA6500B28E3E /* AFNetworkActivityIndicatorManager.m in Sources */,
 				F874B5DE13E0AA6500B28E3E /* AFRestClient.m in Sources */,
-				F874B5DF13E0AA6500B28E3E /* UIImage+AFNetworking.m in Sources */,
 				F874B5E013E0AA6500B28E3E /* UIImageView+AFNetworking.m in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;