CACornerMask Extension

CACornerMaskExtension.swift

//
//  CACornerMask+ Ex.swift
//
//  Created by Eslam on 4/10/21.
//  Copyright © 2021 ioslam. All rights reserved.
//
//

import UIKit
extension CACornerMask {
    
    /// [.topLeft, .topRight, .BottomLeft, .BottomRight]
    static var all: CACornerMask {
        return [.topLeft, .topRight, .bottomLeft, .bottomRight]
    }
    /// layerMaxXMinYCorner
    static var topRight: CACornerMask {
        return .layerMaxXMinYCorner
    }
    /// layerMinXMinYCorner
    static var topLeft: CACornerMask {
        return .layerMinXMinYCorner
    }
    /// layerMinXMaxYCorner
    static var bottomLeft: CACornerMask {
        return .layerMinXMaxYCorner
    }
    /// layerMaxXMaxYCorner
    static var bottomRight: CACornerMask {
        return .layerMaxXMaxYCorner
    }
    /// [.bottomLeft, .bottomRight]
    static var allBottom: CACornerMask {
        return [.bottomLeft, .bottomRight]
    }
    /// [.topLeft, .topRight]
    static var allTop: CACornerMask {
        return [.topLeft, .topRight]
    }
    /// [.topRight, .bottomRight]
    static var allRight: CACornerMask {
        return [.topRight, .bottomRight]
    }
    /// [.bottomLeft, .bottomRight]
    static var allLeft: CACornerMask {
        return [.bottomLeft, .bottomRight]
    }
    
    /// all angles but `excluding`
    static func all(excluding: CACornerMask) -> CACornerMask {
        switch excluding {
        case .bottomLeft: return [.topLeft, .topRight, .bottomRight]
        case .bottomRight: return [.topLeft, .topRight, .bottomLeft]
        case .topLeft: return [.topRight, .bottomLeft, .bottomRight]
        case .topRight: return [.topLeft, .bottomLeft, .bottomRight]
        default: return .all
        }
    }
}