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ClockLayer.swift
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ClockLayer.swift
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//
// ClockLayer.swift
// myClock
//
//
// Copyright © 2017 thierry Hentic.
//
// Licensed under Apache License 2.0
//
// https://github.com/thierryH91200/myClock
import Cocoa
@IBDesignable
class ClockLayer : NSView
{
@IBInspectable var hourhandColor :NSColor = NSColor.black
@IBInspectable var minutehandColor :NSColor = NSColor.black
@IBInspectable var secondhandColor :NSColor = NSColor.red
@IBInspectable var backgroundColor :NSColor = NSColor.white
@IBInspectable var borderColor :NSColor = NSColor.darkGray
@IBInspectable var centerColor :NSColor = NSColor.black
@IBInspectable var showNumbers :Bool = true
@IBInspectable var roman :Bool = false
let digitFont = NSFont(name : "HelveticaNeue-Thin", size : CGFloat(15))!
var hourLayer = CALayer()
var minuteLayer = CALayer()
var secondsLayer = CALayer()
let rootLayer = CALayer()
let imageLayer = CALayer()
var radius = CGFloat(100.0)
var center = CGPoint()
var textRadiusMultiplier = CGFloat(0.8)
override init(frame frameRect: NSRect) {
super.init(frame:frameRect)
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
override func awakeFromNib()
{
super.awakeFromNib()
let r = CGFloat(self.frame.width / 2)
radius = CGFloat(r * 0.9)
center = CGPoint(x: r, y: r )
rootLayer.frame = self.frame
rootLayer.anchorPoint = CGPoint(x:0.5, y:0.5)
self.layer = rootLayer
self.wantsLayer = true
drawBorder()
drawCentre()
if showNumbers
{
drawNumbers()
}
drawTicks()
drawHourHand()
drawMinuteHand()
drawSecondHand()
initAnimation()
}
func drawBorder(){
let layerBorder = CAShapeLayer()
let path = CGMutablePath()
path.addArc(center: center, radius: radius, startAngle: CGFloat(0.0), endAngle: CGFloat.pi * 2.0, clockwise: true)
layerBorder.path = path
layerBorder.strokeColor = NSColor.darkGray.cgColor
layerBorder.lineWidth = 1.0
layerBorder.fillColor = NSColor.white.cgColor
rootLayer.addSublayer(layerBorder)
}
func drawTicks()
{
var start = CGPoint()
var end = CGPoint()
var length : CGFloat = 0.90
var stroke = NSColor.black.cgColor
for i in 1...60
{
let layer = CAShapeLayer()
let path = CGMutablePath()
let angle = CGFloat(Double(i) * 6.0 * Double.pi / 180)
start.x = center.x + cos(angle) * radius
start.y = center.y + sin(angle) * radius
if (i%5 == 0)
{
stroke = NSColor.black.cgColor
length = 0.90
} else {
stroke = NSColor.lightGray.cgColor
length = 0.95
}
end.x = center.x + cos(angle) * radius * length
end.y = center.y + sin(angle) * radius * length
path.addLines(between: [start , end])
layer.path = path
layer.strokeColor = stroke
rootLayer.addSublayer(layer)
}
}
func drawNumbers()
{
let txtRadius = radius * textRadiusMultiplier
for i in 1...12
{
let textLayer = CATextLayer()
let str = roman ? i.toRoman() : String(i)
let numberAttr = NSAttributedString(string: str, attributes:[
NSAttributedStringKey.foregroundColor : NSColor.black,
NSAttributedStringKey.font : digitFont])
let angle = CGFloat((-(Double(i) * 30.0) + 90) * Double.pi / 180)
let numberRect = CGRect(
x: center.x + cos(angle) * txtRadius - numberAttr.size().width/2.0,
y: center.y + sin(angle) * txtRadius - numberAttr.size().height/2.0,
width: numberAttr.size().width,
height: numberAttr.size().height)
textLayer.frame = numberRect
textLayer.string = numberAttr
rootLayer.addSublayer(textLayer)
}
}
func drawCentre()
{
let layer = CAShapeLayer()
let path = CGMutablePath()
path.addArc(center: center, radius: radius * 0.05, startAngle: 0.0, endAngle: 2.0 * CGFloat.pi, clockwise: true)
layer.path = path
layer.fillColor = centerColor.cgColor
rootLayer.addSublayer(layer)
}
/// Draw the hours layer
func drawHourHand()
{
hourLayer = CALayer()
hourLayer.backgroundColor = hourhandColor.cgColor
hourLayer.anchorPoint = CGPoint(x: 0.5, y: 0.0)
hourLayer.position = center
hourLayer.bounds = CGRect(x: 0, y: 0, width: radius * 0.04, height: CGFloat(radius * 0.70))
layer?.addSublayer(hourLayer)
}
/// Draw the minute layer
func drawMinuteHand()
{
minuteLayer = CALayer()
minuteLayer.backgroundColor = minutehandColor.cgColor
minuteLayer.anchorPoint = CGPoint(x: 0.5, y: 0.0)
minuteLayer.position = center
minuteLayer.bounds = CGRect(x: 0, y: 0, width: radius * 0.02, height: CGFloat(radius * 0.90))
layer?.addSublayer(minuteLayer)
}
/// Draw the second layer
func drawSecondHand()
{
secondsLayer = CALayer()
secondsLayer.backgroundColor = secondhandColor.cgColor
secondsLayer.anchorPoint = CGPoint(x: 0.5, y: 0)
secondsLayer.position = center
secondsLayer.bounds = CGRect(x: 0, y: 0, width: radius * 0.01, height: CGFloat(radius * 0.90))
secondsLayer.borderColor = NSColor.red.cgColor
layer?.addSublayer(secondsLayer)
}
func initAnimation()
{
//Place the hands at correct location
let calendar = Calendar.current
var dateComponents = calendar.dateComponents([.second, .minute, .hour], from: Date())
let seconds = dateComponents.second
let minutes = dateComponents.minute
let hours = dateComponents.hour
let h1 = CGFloat(hours!) * CGFloat(360.0 / 12.0)
let h2 = CGFloat(minutes!) * CGFloat(1.0 / 60.0) * (360.0 / 12.0)
let h3 = CGFloat(seconds!) * CGFloat(1.0 / 60.0) * (360.0 / 60.0)
let hourAngle = h1 + h2
let minuteAngle = CGFloat(minutes!) * CGFloat(360.0 / 60.0) + h3
let secondsAngle = CGFloat(seconds!) * CGFloat(360.0 / 60.0)
hourLayer.transform = CATransform3DMakeRotation(hourAngle / 180.0 * CGFloat.pi, 0, 0, 1)
minuteLayer.transform = CATransform3DMakeRotation(minuteAngle / 180 * CGFloat.pi, 0, 0, 1)
secondsLayer.transform = CATransform3DMakeRotation(secondsAngle / 180 * CGFloat.pi, 0, 0, 1)
let hoursAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
hoursAnimation.repeatCount = .greatestFiniteMagnitude
hoursAnimation.duration = 60 * 60 * 12
hoursAnimation.isRemovedOnCompletion = false
hoursAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
hoursAnimation.fromValue = (-hourAngle * CGFloat.pi / 180)
hoursAnimation.byValue = (-2 * Double.pi)
hourLayer.add(hoursAnimation, forKey: "HoursAnimationKey")
let minutesAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
minutesAnimation.repeatCount = .greatestFiniteMagnitude
minutesAnimation.duration = 60 * 60
minutesAnimation.isRemovedOnCompletion = false
minutesAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
minutesAnimation.fromValue = -(minuteAngle * CGFloat.pi / 180)
minutesAnimation.byValue = (-2 * Double.pi)
minuteLayer.add(minutesAnimation, forKey: "MinutesAnimationKey")
let secondsAnimation = CABasicAnimation(keyPath: "transform.rotation.z")
secondsAnimation.repeatCount = .greatestFiniteMagnitude
secondsAnimation.duration = 60
secondsAnimation.isRemovedOnCompletion = false
secondsAnimation.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionLinear)
secondsAnimation.fromValue = -(secondsAngle * CGFloat.pi / 180)
secondsAnimation.byValue = (-2 * Double.pi)
secondsLayer.add(secondsAnimation, forKey: "SecondAnimationKey")
}
}