Impressia/Vernissage/Widgets/ImagesCarousel.swift

53 lines
1.4 KiB
Swift

//
// https://mczachurski.dev
// Copyright © 2023 Marcin Czachurski and the repository contributors.
// Licensed under the MIT License.
//
import SwiftUI
struct ImagesCarousel: View {
@State public var attachments: [AttachmentData]
@State private var height: Double = 0.0
var body: some View {
TabView {
ForEach(attachments, id: \.self) { attachment in
if let image = UIImage(data: attachment.data) {
Image(uiImage: image)
.resizable()
.aspectRatio(contentMode: .fit)
}
}
}
.frame(height: CGFloat(self.height))
.tabViewStyle(PageTabViewStyle())
.onAppear {
self.calculateImageHeight()
}
}
private func calculateImageHeight() {
var imageHeight = 0.0
var imageWidth = 0.0
for item in attachments {
if let image = UIImage(data: item.data) {
if image.size.height > imageHeight {
imageHeight = image.size.height
imageWidth = image.size.width
}
}
}
let divider = imageWidth / UIScreen.main.bounds.size.width
self.height = imageHeight / divider
}
}
struct ImagesCarousel_Previews: PreviewProvider {
static var previews: some View {
ImagesCarousel(attachments: [])
}
}