NetNewsWire/Multiplatform/Shared/Images/IconImageView.swift

61 lines
1.8 KiB
Swift

//
// IconImageView.swift
// NetNewsWire
//
// Created by Maurice Parker on 6/29/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import SwiftUI
struct IconImageView: View {
@Environment(\.colorScheme) var colorScheme
var iconImage: IconImage
@ViewBuilder var body: some View {
GeometryReader { proxy in
let newSize = newImageSize(viewSize: proxy.size)
let tooShort = newSize.height < proxy.size.height
let indistinguishable = colorScheme == .dark ? iconImage.isDark : iconImage.isBright
let showBackground = (tooShort && !iconImage.isSymbol) || indistinguishable
Group {
Image(rsImage: iconImage.image)
.resizable()
.scaledToFit()
.frame(width: newSize.width, height: newSize.height, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/)
}
.frame(width: proxy.size.width, height: proxy.size.height, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/)
.background(showBackground ? AppAssets.iconBackgroundColor : nil)
.cornerRadius(4)
}
}
func newImageSize(viewSize: CGSize) -> CGSize {
let imageSize = iconImage.image.size
let newSize: CGSize
if imageSize.height == imageSize.width {
if imageSize.height >= viewSize.height {
newSize = CGSize(width: viewSize.width, height: viewSize.height)
} else {
newSize = CGSize(width: imageSize.width, height: imageSize.height)
}
} else if imageSize.height > imageSize.width {
let factor = viewSize.height / imageSize.height
let width = imageSize.width * factor
newSize = CGSize(width: width, height: viewSize.height)
} else {
let factor = viewSize.width / imageSize.width
let height = imageSize.height * factor
newSize = CGSize(width: viewSize.width, height: height)
}
return newSize
}
}