LeadKit/TIMapUtils/Sources/IconProviders/AnyMarkerIconFactory.swift

52 lines
2.1 KiB
Swift

//
// Copyright (c) 2022 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import UIKit.UIImage
public final class AnyMarkerIconFactory<Model>: MarkerIconFactory {
public typealias IconProviderClosure = (Model) -> UIImage
public var iconProviderClosure: IconProviderClosure
public init<IF: MarkerIconFactory>(iconFactory: IF) where IF.Model == Model {
self.iconProviderClosure = { iconFactory.markerIcon(for: $0) }
}
public init<IF: MarkerIconFactory, T>(iconFactory: IF, transform: @escaping (Model) -> T) where IF.Model == T {
self.iconProviderClosure = { iconFactory.markerIcon(for: transform($0)) }
}
public func markerIcon(for model: Model) -> UIImage {
iconProviderClosure(model)
}
}
public extension MarkerIconFactory {
func asAnyMarkerIconFactory() -> AnyMarkerIconFactory<Model> {
.init(iconFactory: self)
}
func asAnyMarkerIconFactory<T>(transform: @escaping (T) -> Model) -> AnyMarkerIconFactory<T> {
.init(iconFactory: self, transform: transform)
}
}