QuartzDemo/QuartzGradientViewController.swift
/* |
Copyright (C) 2017 Apple Inc. All Rights Reserved. |
See LICENSE.txt for this sample’s licensing information |
Abstract: |
A UIViewController subclass that manages a QuartzGradientView and a UI to allow for the selection of gradient type and if the gradient extends past its start or end point. |
*/ |
import UIKit |
class QuartzGradientViewController: UIViewController { |
@IBOutlet weak var quartzGradientView: QuartzGradientView! |
@IBOutlet weak var gradientTypeSegmentedControl: UISegmentedControl! |
@IBOutlet weak var extendsPastStartSwitch: UISwitch! |
@IBOutlet weak var extendsPastEndSwitch: UISwitch! |
override func viewDidLoad() { |
super.viewDidLoad() |
self.quartzGradientView.gradientTypeToDisplay = QuartzGradientView.GradientType(rawValue: self.gradientTypeSegmentedControl.selectedSegmentIndex)! |
self.quartzGradientView.extendsPastStart = self.extendsPastStartSwitch.isOn |
self.quartzGradientView.extendsPastEnd = self.extendsPastEndSwitch.isOn |
} |
@IBAction func takeGradientTypeFrom(_ sender: UISegmentedControl) { |
self.quartzGradientView.gradientTypeToDisplay = QuartzGradientView.GradientType(rawValue: self.gradientTypeSegmentedControl.selectedSegmentIndex)! |
} |
@IBAction func takeExtendsPastStartFrom(_ sender: UISegmentedControl) { |
self.quartzGradientView.extendsPastStart = self.extendsPastStartSwitch.isOn |
} |
@IBAction func takeExtendsPastEndFrom(_ sender: UISlider) { |
self.quartzGradientView.extendsPastEnd = self.extendsPastEndSwitch.isOn |
} |
} |
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