50 строки
1.8 KiB
Swift
50 строки
1.8 KiB
Swift
//
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// UIImage+Extensions.swift
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// NCCommunication
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//
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// Created by Marino Faggiana on 21/12/20.
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// Copyright © 2020 Marino Faggiana. All rights reserved.
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// Copyright © 2021 Henrik Storch. All rights reserved.
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//
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// Author Marino Faggiana <marino.faggiana@nextcloud.com>
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// Author Henrik Storch <henrik.storch@nextcloud.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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import UIKit
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extension UIImage {
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internal func resizeImage(size: CGSize, isAspectRation: Bool) -> UIImage? {
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let originRatio = self.size.width / self.size.height
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let newRatio = size.width / size.height
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var newSize = size
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if isAspectRation {
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if originRatio < newRatio {
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newSize.height = size.height
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newSize.width = size.height * originRatio
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} else {
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newSize.width = size.width
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newSize.height = size.width / originRatio
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}
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}
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UIGraphicsBeginImageContextWithOptions(newSize, true, 1.0)
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self.draw(in: CGRect(origin: .zero, size: newSize))
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defer { UIGraphicsEndImageContext() }
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return UIGraphicsGetImageFromCurrentImageContext()
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}
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}
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