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import SwiftUI
import SwiftyCrop
struct ContentView: View {
@State private var showImageCropper: Bool = false
@State private var selectedImage: UIImage?
@State private var selectedShape: MaskShape = .square
@State private var cropImageCircular: Bool
@State private var rotateImage: Bool
@State private var maxMagnificationScale: CGFloat
@State private var maskRadius: CGFloat
@FocusState private var textFieldFocused: Bool
init() {
let defaultConfiguration = SwiftyCropConfiguration()
_cropImageCircular = State(initialValue: defaultConfiguration.cropImageCircular)
_rotateImage = State(initialValue: defaultConfiguration.rotateImage)
_maxMagnificationScale = State(initialValue: defaultConfiguration.maxMagnificationScale)
_maskRadius = State(initialValue: defaultConfiguration.maskRadius)
}
var body: some View {
VStack {
Spacer()
Group {
if let selectedImage = selectedImage {
Image(uiImage: selectedImage)
.resizable()
.aspectRatio(contentMode: .fit)
.cornerRadius(8)
} else {
ProgressView()
}
}
.scaledToFit()
.padding()
Spacer()
GroupBox {
VStack(spacing: 15) {
HStack {
Button {
loadImage()
} label: {
LongText(title: "Load image")
}
Button {
showImageCropper.toggle()
} label: {
LongText(title: "Crop image")
}
}
HStack {
Text("Mask shape")
.frame(maxWidth: .infinity, alignment: .leading)
Picker("maskShape", selection: $selectedShape) {
ForEach(MaskShape.allCases, id: \.self) { mask in
Text(String(describing: mask))
}
}
.pickerStyle(.segmented)
}
Toggle("Crop image to circle", isOn: $cropImageCircular)
Toggle("Rotate image", isOn: $rotateImage)
HStack {
Text("Max magnification")
.frame(maxWidth: .infinity, alignment: .leading)
DecimalTextField(value: $maxMagnificationScale)
.focused($textFieldFocused)
}
HStack {
Text("Mask radius")
.frame(maxWidth: .infinity, alignment: .leading)
Button {
maskRadius = min(UIScreen.main.bounds.width, UIScreen.main.bounds.height) / 2
} label: {
Image(systemName: "arrow.up.left.and.arrow.down.right")
.font(.footnote)
}
DecimalTextField(value: $maskRadius)
.focused($textFieldFocused)
}
}
}
.toolbar {
ToolbarItemGroup(placement: .keyboard) {
Spacer()
Button("Done") {
textFieldFocused = false
}
}
}
.buttonStyle(.bordered)
.padding()
}
.onAppear {
loadImage()
}
.fullScreenCover(isPresented: $showImageCropper) {
if let selectedImage = selectedImage {
SwiftyCropView(
imageToCrop: selectedImage,
maskShape: selectedShape,
configuration: SwiftyCropConfiguration(
maxMagnificationScale: maxMagnificationScale,
maskRadius: maskRadius,
cropImageCircular: cropImageCircular,
rotateImage: rotateImage
)
) { croppedImage in
// Do something with the returned, cropped image
self.selectedImage = croppedImage
}
}
}
}
private func loadImage() {
Task {
selectedImage = await downloadExampleImage()
}
}
// Example function for downloading an image
private func downloadExampleImage() async -> UIImage? {
let portraitUrlString = "https://picsum.photos/1000/1200"
let landscapeUrlString = "https://picsum.photos/2000/1000"
let urlString = Int.random(in: 0...1) == 0 ? portraitUrlString : landscapeUrlString
guard let url = URL(string: urlString),
let (data, _) = try? await URLSession.shared.data(from: url),
let image = UIImage(data: data)
else { return nil }
return image
}
}
#Preview {
ContentView()
}
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