Mark KDCircularProgress with @objcMembers so all public fields are visible from Objective-C

KDCircularProgress.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

KDCircularProgress/KDCircularProgress.h

@@ -2,7 +2,7 @@
 //  KDCircularProgress iOS.h
 //  KDCircularProgress iOS
 //
-//  Created by Kaan Dedeoglu on 9/21/16.
+//  Copyright (c) 2019 Kaan Dedeoglu. All rights reserved.
 //
 //
 

KDCircularProgress/KDCircularProgress.swift

@@ -26,6 +26,7 @@ private extension Comparable {
 }
 
 @IBDesignable
+@objcMembers
 public class KDCircularProgress: UIView, CAAnimationDelegate {
     private enum Conversion {
         static func degreesToRadians (value:CGFloat) -> CGFloat {
@@ -443,7 +444,7 @@ public class KDCircularProgress: UIView, CAAnimationDelegate {
             
             let glowValue = GlowConstants.glowAmount(forAngle: reducedAngle, glowAmount: glowAmount, glowMode: glowMode, size: width)
             if glowValue > 0 {
-                imageCtx?.setShadow(offset: CGSize.zero, blur: glowValue, color: UIColor.black.cgColor)
+                imageCtx?.setShadow(offset: CGSize(width: -1.0, height: -1.0), blur: glowValue, color: UIColor.black.cgColor)
             }
             
             let linecap: CGLineCap = roundedCorners ? .round : .butt