47 lines
1.3 KiB
Swift
47 lines
1.3 KiB
Swift
//
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// Copyright 2021-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import UIKit
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public extension UIFont {
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// MARK: - Convenient methods
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/// Update current font with a SymbolicTraits
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func vc_withTraits(_ traits: UIFontDescriptor.SymbolicTraits) -> UIFont {
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guard let descriptor = fontDescriptor.withSymbolicTraits(traits) else {
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return self
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}
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return UIFont(descriptor: descriptor, size: 0) // Size 0 means keep the size as it is
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}
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/// Update current font with a given Weight
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func vc_withWeight(weight: Weight) -> UIFont {
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// Add the font weight to the descriptor
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let weightedFontDescriptor = fontDescriptor.addingAttributes([
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UIFontDescriptor.AttributeName.traits: [
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UIFontDescriptor.TraitKey.weight: weight
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]
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])
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return UIFont(descriptor: weightedFontDescriptor, size: 0)
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}
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// MARK: - Shortcuts
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var vc_bold: UIFont {
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return self.vc_withTraits(.traitBold)
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}
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var vc_semiBold: UIFont {
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return self.vc_withWeight(weight: .semibold)
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}
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var vc_italic: UIFont {
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return self.vc_withTraits(.traitItalic)
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}
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}
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