Removed hazeRemovalFilter because CIKernel is deprecated in ios 12.

Yummypets · Jan 6, 2022 · e7648fb · e7648fb
1 parent eb9e000
commit e7648fb
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diff --git a/Source/Configuration/YPImagePickerConfiguration.swift b/Source/Configuration/YPImagePickerConfiguration.swift
@@ -125,7 +125,6 @@ public struct YPImagePickerConfiguration {
         YPFilter(name: "Toaster", applier: YPFilter.toasterFilter),
         YPFilter(name: "1977", applier: YPFilter.apply1977Filter),
         YPFilter(name: "Clarendon", applier: YPFilter.clarendonFilter),
-        YPFilter(name: "HazeRemoval", applier: YPFilter.hazeRemovalFilter),
         YPFilter(name: "Chrome", coreImageFilterName: "CIPhotoEffectChrome"),
         YPFilter(name: "Fade", coreImageFilterName: "CIPhotoEffectFade"),
         YPFilter(name: "Instant", coreImageFilterName: "CIPhotoEffectInstant"),

diff --git a/Source/Filters/Photo/YPFilter.swift b/Source/Filters/Photo/YPFilter.swift
@@ -123,12 +123,6 @@ extension YPFilter {
                 ])
     }
 
-    public static func hazeRemovalFilter(image: CIImage) -> CIImage? {
-        let filter = HazeRemovalFilter()
-        filter.inputImage = image
-        return filter.outputImage
-    }
-
     private static func getColor(red: Int, green: Int, blue: Int, alpha: Int = 255) -> CIColor {
         return CIColor(red: CGFloat(Double(red) / 255.0),
                        green: CGFloat(Double(green) / 255.0),
@@ -141,84 +135,3 @@ extension YPFilter {
         return CIImage(color: color).cropped(to: rect)
     }
 }
-
-class HazeRemovalFilter: CIFilter {
-    var inputImage: CIImage!
-    var inputColor: CIColor! = CIColor(red: 0.7, green: 0.9, blue: 1.0)
-    var inputDistance: Float! = 0.2
-    var inputSlope: Float! = 0.0
-    var hazeRemovalKernel: CIKernel!
-
-    override init() {
-        // check kernel has been already initialized
-        let code: String = """
-kernel vec4 myHazeRemovalKernel(
-    sampler src,
-    __color color,
-    float distance,
-    float slope)
-{
-    vec4 t;
-    float d;
-
-    d = destCoord().y * slope + distance;
-    t = unpremultiply(sample(src, samplerCoord(src)));
-    t = (t - d * color) / (1.0 - d);
-
-    return premultiply(t);
-}
-"""
-        self.hazeRemovalKernel = CIKernel(source: code)
-        super.init()
-    }
-
-    required init?(coder aDecoder: NSCoder) {
-        fatalError("init(coder:) has not been implemented")
-    }
-
-    override var outputImage: CIImage? {
-        guard let inputImage = self.inputImage,
-            let hazeRemovalKernel = self.hazeRemovalKernel,
-            let inputColor = self.inputColor,
-            let inputDistance = self.inputDistance,
-            let inputSlope = self.inputSlope
-            else {
-                return nil
-        }
-        let src: CISampler = CISampler(image: inputImage)
-        return hazeRemovalKernel.apply(extent: inputImage.extent,
-            roiCallback: { (_, rect) -> CGRect in
-                return rect
-        }, arguments: [
-            src,
-            inputColor,
-            inputDistance,
-            inputSlope
-            ])
-    }
-
-    override var attributes: [String: Any] {
-        return [
-            kCIAttributeFilterDisplayName: "Haze Removal Filter",
-            "inputDistance": [
-                kCIAttributeMin: 0.0,
-                kCIAttributeMax: 1.0,
-                kCIAttributeSliderMin: 0.0,
-                kCIAttributeSliderMax: 0.7,
-                kCIAttributeDefault: 0.2,
-                kCIAttributeIdentity: 0.0,
-                kCIAttributeType: kCIAttributeTypeScalar
-            ],
-            "inputSlope": [
-                kCIAttributeSliderMin: -0.01,
-                kCIAttributeSliderMax: 0.01,
-                kCIAttributeDefault: 0.00,
-                kCIAttributeIdentity: 0.00,
-                kCIAttributeType: kCIAttributeTypeScalar
-            ],
-            kCIInputColorKey: [
-                kCIAttributeDefault: CIColor(red: 1.0, green: 1.0, blue: 1.0, alpha: 1.0)
-            ]
-        ]
-    }
-}