feat: GWRoundedShadwView 구현

iOS/Projects/Shared/DesignSystem/Sources/GWPageConrol.swift

@@ -10,13 +10,13 @@ import Foundation
 
 import UIKit
 
-// MARK: - TNPageControl
+// MARK: - GWPageControl
 
 public final class GWPageControl: UIView {
   let countOfPage: Int
   var currentPageIndex: Int = 0
   let spacing: CGFloat = 8
-  var pages: [RoundShadowView] = []
+  var pages: [GWRoundShadowView] = []
   var pageswidthConstraint: [NSLayoutConstraint] = []
 
   // MARK: - 과연 UIVIew를 optional로 만드는게 맞을까?
@@ -55,7 +55,7 @@ public final class GWPageControl: UIView {
 
 private extension GWPageControl {
   func makePages() {
-    pages = (0 ..< countOfPage).enumerated().map { _, _ -> RoundShadowView in
+    pages = (0 ..< countOfPage).enumerated().map { _, _ -> GWRoundShadowView in
       return pageViewObject
     }
   }
@@ -82,8 +82,8 @@ private extension GWPageControl {
     }
   }
 
-  var pageViewObject: RoundShadowView {
-    let view = RoundShadowView(
+  var pageViewObject: GWRoundShadowView {
+    let view = GWRoundShadowView(
       shadow: .init(
         shadowColor: DesignSystemColor.gray02.cgColor,
         shadowOffset: CGSize(width: 0, height: 1),

iOS/Projects/Shared/DesignSystem/Sources/GWRoundShadowView.swift

@@ -0,0 +1,66 @@
+//
+//  GWRoundShadowView.swift
+//  DesignSystem
+//
+//  Created by MaraMincho on 11/16/23.
+//  Copyright © 2023 kr.codesquad.boostcamp8. All rights reserved.
+//
+
+import UIKit
+
+// MARK: - GWRoundShadowView
+
+public final class GWRoundShadowView: UIView {
+  let containerView = UIView()
+  let cornerRadius: CGFloat
+  let customShadow: CustomShadow
+  private var shadowLayer: CAShapeLayer!
+  private var fillColor: CGColor = UIColor.blue.cgColor
+
+  public func update(color: UIColor) {
+    fillColor = color.cgColor
+  }
+
+  override public func layoutSubviews() {
+    super.layoutSubviews()
+    if shadowLayer == nil {
+      shadowLayer = CAShapeLayer()
+
+      shadowLayer.path = UIBezierPath(roundedRect: bounds, cornerRadius: cornerRadius).cgPath
+      shadowLayer.fillColor = fillColor
+
+      shadowLayer.shadowColor = customShadow.shadowColor
+      shadowLayer.shadowPath = shadowLayer.path
+      shadowLayer.shadowOffset = customShadow.shadowOffset
+      shadowLayer.shadowOpacity = customShadow.shadowOpacity
+      shadowLayer.shadowRadius = customShadow.shadowRadius
+
+      layer.insertSublayer(shadowLayer, at: 0)
+    }
+
+    if shadowLayer.fillColor != fillColor {
+      shadowLayer.fillColor = fillColor
+    }
+  }
+
+  init(shadow: CustomShadow, cornerRadius: CGFloat, backgroundColor: CGColor) {
+    customShadow = shadow
+    self.cornerRadius = cornerRadius
+    fillColor = backgroundColor
+    super.init(frame: .zero)
+  }
+
+  @available(*, unavailable)
+  required init?(coder _: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+}
+
+// MARK: - CustomShadow
+
+struct CustomShadow {
+  let shadowColor: CGColor
+  let shadowOffset: CGSize
+  let shadowOpacity: Float
+  let shadowRadius: CGFloat
+}