AuthorTravis Kirton
Tags color
This example shows how to access the individual components of a Color.
Color
let r = color.red
You can also access the hue, saturation and brightness values of a color.
hue
saturation
brightness
override func setup() { let dy = Vector(x: 0, y: canvas.height/5) var frame = Rect(Point(), Size(canvas.width * 0.9, canvas.height/6)) frame.center = Point(canvas.center.x, dy.y) let blue = generateRect(frame, text: "C4Blue: \(C4Blue.red), \(C4Blue.green), \(C4Blue.blue), \(C4Blue.alpha)") canvas.add(blue) frame.center += dy let pink = generateRect(frame, text: "C4Pink: \(C4Pink.red), \(C4Pink.green), \(C4Pink.blue), \(C4Pink.alpha)") pink.fillColor = C4Pink frame.center += dy let purple = generateRect(frame, text: "C4Purple: \(C4Purple.red), \(C4Purple.green), \(C4Purple.blue), \(C4Purple.alpha)") purple.fillColor = C4Purple frame.center += dy let gray = generateRect(frame, text: "C4Grey: \(C4Grey.red), \(C4Grey.green), \(C4Grey.blue), \(C4Grey.alpha)") gray.fillColor = C4Grey } func generateRect(frame: Rect, text: String) -> Rectangle { let rect = Rectangle(frame: frame) canvas.add(rect) let label = TextShape(text: text, font: Font(name: "Helvetica", size: 20)!)! label.fillColor = text.hasPrefix("C4Grey") ? C4Purple : C4Grey label.center = rect.bounds.center rect.add(label) return rect }