CostumeKit 🎩 - SwiftGit

Button Colour Image Media Menu Menu Photo Picker swipe Textview

CostumeKit 🎩

March 11, 2024

Base types for theming an app.

CostumeKit is made of up a set of Swift protocols. They are meant to be implemented by you in your app.

Featured in Little Bites of Cocoa Bite #270: Implementing Theming with CostumeKit

Color 🎨

Includes Color and ColorPalette protocols.

Usage:


                                              
                                                public enum MyAppColors : Color, ColorPalette {

case white = “FFFFFF”

case lightTeal = “3CB39E”

case forestGreen = “216055”

case black = “000000”

}

Font 🔠

Includes Font protocol, and one concrete SystemFont implementation for iOS system fonts.

Usage:


                                              
                                                public struct MyAppFont : Font {

public init(size: FontSize = .textStyle(.body)) {

self.size = size

}
// Font
public var size: FontSize
// FontConvertible
public var FontValue: UIFont {

return UIFont(name: “SomeCustomFont”, size: pointSize)!

}

}

SVG 🌠

Includes SVG Protocol and SVGMetadata type.

Usage:


                                              
                                                enum MyAppSVGs {

case clockGlyph

case bird

}
extension MyAppSVGs : SVG {

public func metadata() -> SVGMetadata {

switch self {

case .clockGlyph: return SVGMetadata(name: “clock”, size: CGSize(width: 100, height: 100), fullColor: false)

case .bird: return SVGMetadata(name: “bird”, size: CGSize(width: 58, height: 28), fullColor: true)

}

}

}

What you do with SVGMetadata is up to you. I recommend SwiftSVG from Michael Choe. Read more here to learn how to use it.

CostumeKit‘s goals are to be a generic solution, so no assumptions are made about how something should be retrieved from disk, parsed, etc. You’ll need to implement these anyways, so nothing is forced on you.

Costume 🎩

Includes Costume protocol. Usage:


                                              
                                                open class MyAppCostume : Costume {

let spacing = CGFloat(8)
public func wearRootBackground(_ view: UIView) {

view.backgroundColor = Color.black.colorValue

}
public func wearHeadline(_ label: UILabel) {

label.font = MyAppFont(size: .textStyle(.title1)).fontValue

label.textColor = MyAppColors.forestGreen.colorValue

}
public var name: String { return “Default” }

public var description: String { return “The default costume.” }
public init() { }

}

GitHub

View Github

#carthage #colors #images #ios #ios-lib #protocol #swift

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