[CHORE] trying out gradient blur (#255)

Maddori.Apple/Maddori.Apple/Global/Extension/UIView+Extension.swift

@@ -8,6 +8,14 @@
 import UIKit
 
 extension UIView {
+
+    enum GradientDirection {
+        case positiveX
+        case negativeX
+        case positiveY
+        case negativeY
+    }
+
     func setGradient(colorTop: UIColor, colorBottom: UIColor) {
         let gradient: CAGradientLayer = CAGradientLayer()
         gradient.colors = [colorTop.cgColor, colorBottom.cgColor]
@@ -18,6 +26,42 @@ extension UIView {
         layer.addSublayer(gradient)
     }
 
+    func setBlurGradient(in direction: GradientDirection, by portion: CGFloat) {
+        let gradientLayer = CAGradientLayer()
+        gradientLayer.colors = [
+            UIColor.backgroundWhite.withAlphaComponent(0).cgColor,
+            UIColor.backgroundWhite.withAlphaComponent(1).cgColor
+        ]
+        let viewEffect = UIBlurEffect(style: .light)
+        let effectView = UIVisualEffectView(effect: viewEffect)
+        switch direction {
+        case .positiveX:
+            effectView.frame = CGRect(x: self.bounds.origin.x, y: self.bounds.origin.y, width: self.bounds.size.width * portion, height: self.bounds.size.height)
+            effectView.autoresizingMask = [.flexibleWidth]
+            gradientLayer.startPoint = CGPoint(x: 0.0, y: 0.0)
+            gradientLayer.endPoint = CGPoint(x: 1.0, y: 0.0)
+        case .negativeX:
+            effectView.frame = CGRect(x: self.bounds.origin.x, y: self.bounds.origin.y, width: self.bounds.size.width * portion, height: self.bounds.size.height)
+            effectView.autoresizingMask = [.flexibleWidth]
+            gradientLayer.startPoint = CGPoint(x: 1.0, y: 0.0)
+            gradientLayer.endPoint = CGPoint(x: 0.0, y: 0.0)
+        case .positiveY:
+            effectView.frame = CGRect(x: self.bounds.origin.x, y: self.bounds.origin.y, width: self.bounds.size.width, height: self.bounds.size.height * portion)
+            effectView.autoresizingMask = [.flexibleHeight]
+            gradientLayer.startPoint = CGPoint(x: 0.0, y: 0.0)
+            gradientLayer.endPoint = CGPoint(x: 0.0, y: 1.0)
+        case .negativeY:
+            effectView.frame = CGRect(x: self.bounds.origin.x, y: self.bounds.origin.y, width: self.bounds.size.width, height: self.bounds.size.height * portion)
+            effectView.autoresizingMask = [.flexibleHeight]
+            gradientLayer.startPoint = CGPoint(x: 0.0, y: 1.0)
+            gradientLayer.endPoint = CGPoint(x: 0.0, y: 0.0)
+        }
+        gradientLayer.frame = effectView.frame
+        effectView.layer.mask = gradientLayer
+        effectView.isUserInteractionEnabled = false
+        addSubview(effectView)
+    }
+
     @discardableResult
     func makeShadow(color: UIColor,
                     opacity: Float,

Maddori.Apple/Maddori.Apple/Screen/Home/Home/HomeViewController.swift

@@ -426,6 +426,7 @@ final class HomeViewController: BaseViewController {
                         }
                         self.flowLayout.count = reflectionKeywordList.count
                         self.keywordCollectionView.reloadData()
+//                        self.keywordCollectionView.setBlurGradient(in: .negativeY, by: 1)
                     }
                 }
             }