//
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// UIScrollViewExtensions.swift
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// SwifterSwift
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//
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// Created by camila oliveira on 22/04/18.
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// Copyright © 2018 SwifterSwift
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//
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#if canImport(UIKit) && !os(watchOS)
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import UIKit
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// MARK: - Methods
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public extension UIScrollView {
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/// SwifterSwift: Takes a snapshot of an entire ScrollView
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///
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/// AnySubclassOfUIScroolView().snapshot
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/// UITableView().snapshot
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///
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/// - Returns: Snapshot as UIimage for rendered ScrollView
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var snapshot: UIImage? {
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// Original Source: https://gist.github.com/thestoics/1204051
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UIGraphicsBeginImageContextWithOptions(contentSize, false, 0)
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defer {
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UIGraphicsEndImageContext()
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}
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guard let context = UIGraphicsGetCurrentContext() else { return nil }
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let previousFrame = frame
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frame = CGRect(origin: frame.origin, size: contentSize)
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layer.render(in: context)
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frame = previousFrame
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return UIGraphicsGetImageFromCurrentImageContext()
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}
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}
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#endif
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