Merge pull request #436 from theleftbit/remove-backgorund-fallback

Gracefully fallback to original image if background removal fails

Author: piercifani

.github/workflows/swift.yml

@@ -11,7 +11,7 @@ jobs:
       with:
         lfs: true
     - name: Test BSWInterfaceKit iOS
-      run: set -o pipefail && xcodebuild -scheme BSWInterfaceKit -destination "platform=iOS Simulator,name=iPhone 16,OS=18.4" test | xcbeautify --renderer github-actions
+      run: set -o pipefail && xcodebuild -scheme BSWInterfaceKit -destination "platform=iOS Simulator,name=iPhone 16,OS=18.5" test | xcbeautify --renderer github-actions
 
   macos-build:
     runs-on: mobile

Sources/BSWInterfaceKit/SwiftUI/Views/PhotoView.swift

@@ -185,8 +185,8 @@ private extension UIImage {
         self
     }
     #else
-    nonisolated func extractSubject() async -> UIImage? {
-        guard let inputImage = CIImage(image: self) else { return nil }
+    nonisolated func extractSubject() async -> UIImage {
+        guard let inputImage = CIImage(image: self) else { return self }
         let request = VNGenerateForegroundInstanceMaskRequest()
         let handler = VNImageRequestHandler(ciImage: inputImage)
 
@@ -197,7 +197,7 @@ private extension UIImage {
                     forInstances: result.allInstances,
                     from: handler
                   ) else {
-                return nil
+                return self
             }
             let maskImage = CIImage(cvPixelBuffer: mask)
             let filter = CIFilter.blendWithMask()
@@ -207,11 +207,11 @@ private extension UIImage {
 
             guard let outputImage = filter.outputImage,
                   let cgImage = CIContext(options: nil).createCGImage(outputImage, from: outputImage.extent)
-            else { return nil }
+            else { return self }
 
             return UIImage(cgImage: cgImage)
         } catch {
-            return nil
+            return self
         }
     }
     #endif