- Crop picture widget.
- 裁切圖片小工具.
dependencies: [
.package(url: "https://github.com/William-Weng/WWCropViewController.git", .upToNextMajor(from: "1.1.0"))
]| 函式 | 功能 |
|---|---|
| initSetting(cropViewType:angleZoomViewImages:cropViewBackgroundColor:) | 初始化設定 |
| build() | 建立WWCropViewController |
| cropPhoto() | 裁切圖片 |
| cropViewTypeSetting(_:) | 設定縮放框比例 / 種類 (1:1 / 4:3 / 16:9) |
| recoverOriginalPhoto() | 還原成一開始的照片 |
| updateCropViewBackgroundColor(_:) | 設定縮放框的底色 |
| angleImagesSetting(_:) | 設定縮放的四角圖示 (↖左上 / ↗右上 / ↙左下 / ↘右下) |
final class ViewController: UIViewController {
@IBOutlet weak var containerView: UIView!
private let angleZoomViewImages: [UIImage] = ([#imageLiteral(resourceName: "Angle_LeftTop"), #imageLiteral(resourceName: "Angle_RightTop"), #imageLiteral(resourceName: "Angle_LefttBottom"), #imageLiteral(resourceName: "Angle_RightBottom")])
private var cropViewController: WWCropViewController?
override func viewDidLoad() {
super.viewDidLoad()
containerViewSetting()
}
@IBAction func cropPhotoAction(_ sender: UIButton) {
_ = cropViewController?.cropPhoto()
wwPrint(cropViewController?.photo)
}
@IBAction func recoverPhotoAction(_ sender: UIButton) { _ = cropViewController?.recoverOriginalPhoto() }
@IBAction func cropViewTypeAction1(_ sender: UIButton) { cropViewController?.cropViewTypeSetting(.rectangle) }
@IBAction func cropViewTypeAction2(_ sender: UIButton) { cropViewController?.cropViewTypeSetting(.scaleRectangle(.to4_3)) }
@IBAction func cropViewTypeAction3(_ sender: UIButton) { cropViewController?.cropViewTypeSetting(.scaleRectangle(.to9_16)) }
}
private extension ViewController {
func containerViewSetting() {
guard let viewController = WWCropViewController.build() else { return }
viewController.photo = #imageLiteral(resourceName: "Wallpaper")
viewController.initSetting(cropViewType: .circle, angleZoomViewImages: angleZoomViewImages, cropViewBackgroundColor: .blue.withAlphaComponent(0.3))
cropViewController = viewController
cropViewController?.loadViewIfNeeded()
self._changeContainerView(to: viewController, at: containerView)
}
}