From ebae80dd65f25d66bef1d9bd75c8864cbead30a8 Mon Sep 17 00:00:00 2001
From: Rafa Ruiz <raruizmu@gmail.com>
Date: Fri, 18 Oct 2024 12:03:20 +0200
Subject: [PATCH] make CIFilter API available

---
 ios/Classes/MobileScanner.swift | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/ios/Classes/MobileScanner.swift b/ios/Classes/MobileScanner.swift
index 9c4cf6d0e..83e0978ae 100644
--- a/ios/Classes/MobileScanner.swift
+++ b/ios/Classes/MobileScanner.swift
@@ -482,8 +482,17 @@ public class MobileScanner: NSObject, AVCaptureVideoDataOutputSampleBufferDelega
 
     private func invertInputImage(image: UIImage) -> UIImage {
         let ciImage = CIImage(image: image)
-        let filter = CIFilter.colorInvert()
-        filter?.setValue(ciImage, forKey: kCIInputImageKey)
+        
+        let filter: CIFilter?
+        
+        if #available(iOS 13.0, *) {
+            filter = CIFilter.colorInvert()
+            filter?.setValue(ciImage, forKey: kCIInputImageKey)
+        } else {
+            filter = CIFilter(name: "CIColorInvert")
+            filter?.setValue(ciImage, forKey: kCIInputImageKey)
+        }
+    
         let outputImage = filter?.outputImage
         let cgImage = convertCIImageToCGImage(inputImage: outputImage!)