forked from mirrors/linphone-iphone
50 lines
1.8 KiB
Swift
50 lines
1.8 KiB
Swift
/*
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* Copyright (c) 2010-2020 Belledonne Communications SARL.
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*
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* This file is part of linphone-iphone
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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 Foundation
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extension UIImage {
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func tinted(with color: UIColor?) -> UIImage? {
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if (color == nil) {
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return self
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}
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defer { UIGraphicsEndImageContext() }
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UIGraphicsBeginImageContextWithOptions(self.size, false, self.scale)
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color!.set()
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self.withRenderingMode(.alwaysTemplate).draw(in: CGRect(origin: .zero, size: self.size))
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return UIGraphicsGetImageFromCurrentImageContext()
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}
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func withInsets(insets: UIEdgeInsets) -> UIImage? {
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UIGraphicsBeginImageContextWithOptions(
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CGSize(width: self.size.width + insets.left + insets.right,
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height: self.size.height + insets.top + insets.bottom), false, self.scale)
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let _ = UIGraphicsGetCurrentContext()
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let origin = CGPoint(x: insets.left, y: insets.top)
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self.draw(at: origin)
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let imageWithInsets = UIGraphicsGetImageFromCurrentImageContext()
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UIGraphicsEndImageContext()
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return imageWithInsets
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}
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func withPadding(padding: CGFloat) -> UIImage? {
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let insets = UIEdgeInsets(top: padding, left: padding, bottom: padding, right: padding)
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return withInsets(insets: insets)
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}
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}
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