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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| import AppKit | ||
|
|
||
| extension NSBezierPath { | ||
| static func circle(radius: Double, center: CGPoint, startAngle: Double = 0, endAngle: Double = 360) -> NSBezierPath { | ||
| let path = NSBezierPath() | ||
| path.appendArc( | ||
| withCenter: center, | ||
| radius: CGFloat(radius), | ||
| startAngle: CGFloat(startAngle), | ||
| endAngle: CGFloat(endAngle) | ||
| ) | ||
| return path | ||
| } | ||
| } | ||
|
|
||
| extension CALayer { | ||
| /// This is required for CALayers that are created independently of a view | ||
| func setAutomaticContentsScale() { | ||
| contentsScale = NSScreen.main?.backingScaleFactor ?? 2 | ||
| } | ||
|
|
||
| /** | ||
| Set CALayer properties without the implicit animation | ||
| ``` | ||
| CALayer.withoutImplicitAnimations { | ||
| view.layer?.opacity = 0.4 | ||
| } | ||
| ``` | ||
| */ | ||
| static func withoutImplicitAnimations(closure: () -> Void) { | ||
| CATransaction.begin() | ||
| CATransaction.setDisableActions(true) | ||
| closure() | ||
| CATransaction.commit() | ||
| } | ||
|
|
||
| /** | ||
| Toggle the implicit CALayer animation | ||
| Can be useful for text layers | ||
| */ | ||
| var implicitAnimations: Bool { | ||
| get { | ||
| return actions == nil | ||
| } | ||
| set { | ||
| if newValue { | ||
| actions = nil | ||
| } else { | ||
| actions = ["contents": NSNull()] | ||
| } | ||
| } | ||
| } | ||
|
|
||
| static func animate( | ||
| duration: TimeInterval = 1, | ||
| delay: TimeInterval = 0, | ||
| timingFunction: CAMediaTimingFunction = .default, | ||
| animations: @escaping (() -> Void), | ||
| completion: (() -> Void)? = nil | ||
| ) { | ||
| DispatchQueue.main.asyncAfter(duration: delay) { | ||
| CATransaction.begin() | ||
| CATransaction.setAnimationDuration(duration) | ||
| CATransaction.setAnimationTimingFunction(timingFunction) | ||
|
|
||
| if let completion = completion { | ||
| CATransaction.setCompletionBlock(completion) | ||
| } | ||
|
|
||
| animations() | ||
| CATransaction.commit() | ||
| } | ||
| } | ||
| } | ||
|
|
||
| extension CAShapeLayer { | ||
| static func circle(radius: Double, center: CGPoint) -> CAShapeLayer { | ||
| return CAShapeLayer(path: NSBezierPath.circle(radius: radius, center: center)) | ||
| } | ||
|
|
||
| convenience init(path: NSBezierPath) { | ||
| self.init() | ||
| self.path = path.cgPath | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| Shows the indeterminate state, when it's activated. | ||
| It draws part of a circle that gets animated into a looping motion around its core. | ||
| */ | ||
| final class IndeterminateShapeLayer: CAShapeLayer { | ||
| convenience init(radius: Double, center: CGPoint) { | ||
| self.init() | ||
| fillColor = nil | ||
| path = NSBezierPath.circle(radius: radius, center: bounds.center, startAngle: 270).cgPath | ||
| anchorPoint = CGPoint(x: 0.5, y: 0.5) | ||
| position = center | ||
| } | ||
| } | ||
|
|
||
| extension CABasicAnimation { | ||
| /// Rotates the element around its center point infinitely. | ||
| static var rotate: CABasicAnimation { | ||
| let animation = CABasicAnimation(keyPath: #keyPath(CAShapeLayer.transform)) | ||
| animation.valueFunction = CAValueFunction(name: .rotateZ) | ||
| animation.fromValue = 0 | ||
| animation.toValue = -(Double.pi * 2) | ||
| animation.duration = 1 | ||
| animation.repeatCount = .infinity | ||
| animation.timingFunction = CAMediaTimingFunction(name: .linear) | ||
|
|
||
| return animation | ||
| } | ||
| } | ||
|
|
||
| extension CATextLayer { | ||
| /// Initializer with better defaults | ||
| convenience init(text: String, fontSize: Double? = nil, color: NSColor? = nil) { | ||
| self.init() | ||
| string = text | ||
| if let fontSize = fontSize { | ||
| self.fontSize = CGFloat(fontSize) | ||
| } | ||
| self.color = color | ||
| implicitAnimations = false | ||
| setAutomaticContentsScale() | ||
| } | ||
|
|
||
| var color: NSColor? { | ||
| get { | ||
| guard let color = foregroundColor else { | ||
| return nil | ||
| } | ||
| return NSColor(cgColor: color) | ||
| } | ||
| set { | ||
| foregroundColor = newValue?.cgColor | ||
| } | ||
| } | ||
| } | ||
|
|
||
| extension NSFont { | ||
| static let helveticaNeueLight = NSFont(name: "HelveticaNeue-Light", size: 0) | ||
| } | ||
|
|
||
| extension NSColor { | ||
| typealias HSBAColor = (hue: Double, saturation: Double, brightness: Double, alpha: Double) | ||
| var hsba: HSBAColor { | ||
| var hue: CGFloat = 0 | ||
| var saturation: CGFloat = 0 | ||
| var brightness: CGFloat = 0 | ||
| var alpha: CGFloat = 0 | ||
| let color = usingColorSpace(.deviceRGB) ?? self | ||
| color.getHue(&hue, saturation: &saturation, brightness: &brightness, alpha: &alpha) | ||
| return HSBAColor(Double(hue), Double(saturation), Double(brightness), Double(alpha)) | ||
| } | ||
|
|
||
| /// Adjust color components by ratio. | ||
| func adjusting( | ||
| hue: Double = 0, | ||
| saturation: Double = 0, | ||
| brightness: Double = 0, | ||
| alpha: Double = 0 | ||
| ) -> NSColor { | ||
| let color = hsba | ||
| return NSColor( | ||
| hue: CGFloat(color.hue * (hue + 1)), | ||
| saturation: CGFloat(color.saturation * (saturation + 1)), | ||
| brightness: CGFloat(color.brightness * (brightness + 1)), | ||
| alpha: CGFloat(color.alpha * (alpha + 1)) | ||
| ) | ||
| } | ||
| } |
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