Added UIFont.preferredFont(for style:weight:)

ddaddy · Jan 3, 2021 · a68a8d1 · a68a8d1
1 parent b1030af
commit a68a8d1
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Showing 3 changed files with 52 additions and 0 deletions.
diff --git a/DJSwiftHelpers.xcodeproj/project.pbxproj b/DJSwiftHelpers.xcodeproj/project.pbxproj
@@ -44,6 +44,9 @@
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 		6253808A2594CE9E00C58B2F /* Double.swift in Sources */ = {isa = PBXBuildFile; fileRef = 625380812594CE9B00C58B2F /* Double.swift */; };
 		627631A7255D512F005C09B1 /* DJSwiftHelpers.swift in Sources */ = {isa = PBXBuildFile; fileRef = 627631A6255D512F005C09B1 /* DJSwiftHelpers.swift */; };
+		62C4485225A2208F0014F44B /* UIFont.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62C4485125A2208F0014F44B /* UIFont.swift */; };
+		62C4485325A2208F0014F44B /* UIFont.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62C4485125A2208F0014F44B /* UIFont.swift */; };
+		62C4485425A2208F0014F44B /* UIFont.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62C4485125A2208F0014F44B /* UIFont.swift */; };
 		62D6CDE9255BFCCB00ABD216 /* Decodable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62D6CDE8255BFCCB00ABD216 /* Decodable.swift */; };
 		62D6CDEC255BFDA900ABD216 /* Date.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62D6CDEB255BFDA900ABD216 /* Date.swift */; };
 		62D6CDEF255BFFA300ABD216 /* URLResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = 62D6CDEE255BFFA300ABD216 /* URLResponse.swift */; };
@@ -81,6 +84,7 @@
 		625380712594BCE900C58B2F /* CLLocationCoordinate2D.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CLLocationCoordinate2D.swift; sourceTree = "<group>"; };
 		625380812594CE9B00C58B2F /* Double.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Double.swift; sourceTree = "<group>"; };
 		627631A6255D512F005C09B1 /* DJSwiftHelpers.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = DJSwiftHelpers.swift; sourceTree = "<group>"; };
+		62C4485125A2208F0014F44B /* UIFont.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = UIFont.swift; sourceTree = "<group>"; };
 		62D6CDE8255BFCCB00ABD216 /* Decodable.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Decodable.swift; sourceTree = "<group>"; };
 		62D6CDEB255BFDA900ABD216 /* Date.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Date.swift; sourceTree = "<group>"; };
 		62D6CDEE255BFFA300ABD216 /* URLResponse.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = URLResponse.swift; sourceTree = "<group>"; };
@@ -154,6 +158,7 @@
 				620F6A45250BBC1800B10032 /* UIApplication.swift */,
 				620F6A36250BB78200B10032 /* UIColor.swift */,
 				620F6A47250BBC2F00B10032 /* UIDevice.swift */,
+				62C4485125A2208F0014F44B /* UIFont.swift */,
 				620F6A49250BBC4B00B10032 /* UIImage.swift */,
 				62D6CDF4255C01F400ABD216 /* UILabel.swift */,
 				620F6A33250BB78200B10032 /* UIStackView.swift */,
@@ -327,6 +332,7 @@
 				620F6A38250BB78200B10032 /* UIStackView.swift in Sources */,
 				620F6A46250BBC1800B10032 /* UIApplication.swift in Sources */,
 				620F6A4E250BBCE900B10032 /* UserDefaults.swift in Sources */,
+				62C4485225A2208F0014F44B /* UIFont.swift in Sources */,
 				620F6A3B250BB78200B10032 /* UIColor.swift in Sources */,
 				625380822594CE9B00C58B2F /* Double.swift in Sources */,
 				62D6CDEF255BFFA300ABD216 /* URLResponse.swift in Sources */,
@@ -353,6 +359,7 @@
 				621B3C25255D467000A5E77F /* UIStackView.swift in Sources */,
 				621B3C26255D467000A5E77F /* UIApplication.swift in Sources */,
 				621B3C27255D467000A5E77F /* UserDefaults.swift in Sources */,
+				62C4485325A2208F0014F44B /* UIFont.swift in Sources */,
 				621B3C28255D467000A5E77F /* UIColor.swift in Sources */,
 				625380862594CE9E00C58B2F /* Double.swift in Sources */,
 				621B3C29255D467000A5E77F /* URLResponse.swift in Sources */,
@@ -380,6 +387,7 @@
 				62DF5081256E9A9000C88FF7 /* String.swift in Sources */,
 				62DF50A5256E9AA500C88FF7 /* URLRequest.swift in Sources */,
 				62DF50B5256E9AAD00C88FF7 /* Decodable.swift in Sources */,
+				62C4485425A2208F0014F44B /* UIFont.swift in Sources */,
 				62DF507C256E9A8B00C88FF7 /* Date.swift in Sources */,
 				6253808A2594CE9E00C58B2F /* Double.swift in Sources */,
 				62DF50A9256E9AA600C88FF7 /* URLResponse.swift in Sources */,

diff --git a/DJSwiftHelpers/Helpers/UIFont.swift b/DJSwiftHelpers/Helpers/UIFont.swift
@@ -0,0 +1,32 @@
+//
+//  UIFont.swift
+//  DJSwiftHelpers
+//
+//  Created by Darren Jones on 03/01/2021.
+//  Copyright © 2021 Dappological Ltd. All rights reserved.
+//
+
+import UIKit
+
+@available(iOS 11.0, *)
+public
+extension UIFont {
+
+    /**
+     Allows you to specify a font weight to a dynamic font style
+     - Parameters:
+        - style: eg. `.title2`
+        - weight: eg. `.medium`
+
+     Example usage:
+     ```
+     label.font = UIFont.preferredFont(for: .title2, weight: .medium)
+     ```
+     */
+    static func preferredFont(for style: TextStyle, weight: Weight) -> UIFont {
+        let metrics = UIFontMetrics(forTextStyle: style)
+        let desc = UIFontDescriptor.preferredFontDescriptor(withTextStyle: style)
+        let font = UIFont.systemFont(ofSize: desc.pointSize, weight: weight)
+        return metrics.scaledFont(for: font)
+    }
+}
diff --git a/README.md b/README.md
@@ -209,6 +209,18 @@ var isTV: Bool
 var isCarPlay: Bool
 ```
 
+### UIFont
+Specify a font weight to a dynamic font style
+
+```swift
+static func preferredFont(for style: TextStyle, weight: Weight) -> UIFont
+```
+use like:
+
+```swift
+label.font = UIFont.preferredFont(for: .title2, weight: .medium)
+```
+
 ### UIImage
 
 Convert a String to Data then save it to the given URL path