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