Ryan Ackermann
51 lines
2.0 KiB
Swift
51 lines
2.0 KiB
Swift
//
|
|
// Created by Ryan Ackermann on 7/10/15.
|
|
// Copyright (c) 2015 Ryan Ackermann. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
|
|
class ViewController: UIViewController, RAScrollablePickerViewDelegate {
|
|
|
|
@IBOutlet weak var colorPreView: UIView!
|
|
@IBOutlet weak var huePicker: RAScrollablePickerView!
|
|
@IBOutlet weak var saturationPicker: RAScrollablePickerView!
|
|
@IBOutlet weak var brightnessPicker: RAScrollablePickerView!
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
|
|
let colors: [UIColor] = [.systemBlue, .systemOrange, .systemYellow]
|
|
let startColor = colors.randomElement() ?? .systemPink
|
|
|
|
huePicker.delegate = self
|
|
huePicker.set(color: startColor)
|
|
|
|
saturationPicker.delegate = self
|
|
saturationPicker.type = .saturation
|
|
saturationPicker.hueValueForPreview = huePicker.value
|
|
saturationPicker.set(color: startColor)
|
|
|
|
brightnessPicker.delegate = self
|
|
brightnessPicker.type = .brightness
|
|
brightnessPicker.hueValueForPreview = huePicker.value
|
|
brightnessPicker.set(color: startColor)
|
|
|
|
colorPreView.backgroundColor = UIColor(hue: huePicker.value, saturation: saturationPicker.value, brightness: brightnessPicker.value, alpha: 1)
|
|
}
|
|
|
|
func valueChanged(_ value: CGFloat, type: PickerType) {
|
|
switch type {
|
|
case .hue:
|
|
colorPreView.backgroundColor = UIColor(hue: value, saturation: saturationPicker.value, brightness: brightnessPicker.value, alpha: 1)
|
|
saturationPicker.hueValueForPreview = value
|
|
brightnessPicker.hueValueForPreview = value
|
|
case .saturation:
|
|
colorPreView.backgroundColor = UIColor(hue: huePicker.value, saturation: value, brightness: brightnessPicker.value, alpha: 1)
|
|
case .brightness:
|
|
colorPreView.backgroundColor = UIColor(hue: huePicker.value, saturation: saturationPicker.value, brightness: value, alpha: 1)
|
|
}
|
|
}
|
|
}
|
|
|