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65 lines
2.6 KiB
65 lines
2.6 KiB
// Copyright (c) RxSwiftCommunity
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#if canImport(UIKit)
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import UIKit
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import RxSwift
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import RxCocoa
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public typealias PinchConfiguration = Configuration<UIPinchGestureRecognizer>
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public typealias PinchControlEvent = ControlEvent<UIPinchGestureRecognizer>
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public typealias PinchObservable = Observable<UIPinchGestureRecognizer>
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extension Factory where Gesture == RxGestureRecognizer {
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/**
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Returns an `AnyFactory` for `UIPinchGestureRecognizer`
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- parameter configuration: A closure that allows to fully configure the gesture recognizer
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*/
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public static func pinch(configuration: PinchConfiguration? = nil) -> AnyFactory {
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make(configuration: configuration).abstracted()
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}
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}
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extension Reactive where Base: RxGestureView {
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/**
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Returns an observable `UIPinchGestureRecognizer` events sequence
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- parameter configuration: A closure that allows to fully configure the gesture recognizer
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*/
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public func pinchGesture(configuration: PinchConfiguration? = nil) -> PinchControlEvent {
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gesture(make(configuration: configuration))
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}
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}
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extension ObservableType where Element: UIPinchGestureRecognizer {
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/**
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Maps the observable `GestureRecognizer` events sequence to an observable sequence of scale factors relative to the points of the two touches in screen coordinates alongside the gesture velocity.
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*/
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public func asScale() -> Observable<(scale: CGFloat, velocity: CGFloat)> {
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self.map { gesture in
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(gesture.scale, gesture.velocity)
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}
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}
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}
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#endif
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