ImageRepresentation Structure Reference


                    
                    
                    Format

File formats of visual instruction component images.

Swift

public enum Format : String


                    
                    
                    init(imageBaseURL:shield:)

Initializes an image representation bearing the image at the given base URL.

Swift

public init(imageBaseURL: URL?, shield: ShieldRepresentation? = nil)


                    
                    
                    imageBaseURL

The URL whose path is the prefix of all the possible URLs returned by imageURL(scale:format:).

Swift

public let imageBaseURL: URL?


                    
                    
                    shield

Optionally, a structured image representation for displaying a highway shield.

Swift

public let shield: ShieldRepresentation?


                    
                    
                    imageURL(scale:format:)

Returns a remote URL to the image file that represents the component.

Swift

public func imageURL(scale: Scale? = nil, format: Format = .png) -> URL?

`scale`	The image’s scale factor. If this argument is unspecified, the current screen’s native scale factor is used. Only the values 1, 2, and 3 are currently supported.
`format`	The file format of the image. If this argument is unspecified, PNG is used.

A remote URL to the image.