92 lines
2.4 KiB
Swift
92 lines
2.4 KiB
Swift
//
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// ProfilePicView.swift
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// damus
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//
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// Created by William Casarin on 2022-04-16.
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//
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import SwiftUI
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let PFP_SIZE: CGFloat? = 64
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let CORNER_RADIUS: CGFloat = 32
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func id_to_color(_ id: String) -> Color {
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return .init(hex: String(id.reversed().prefix(6)))
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}
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func highlight_color(_ h: Highlight) -> Color {
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switch h {
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case .reply: fallthrough
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case .none: return Color.black
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case .main: return Color.red
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}
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}
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func pfp_line_width(_ h: Highlight) -> CGFloat {
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switch h {
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case .none: fallthrough
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case .reply:
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return 0
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case .main: return 4
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}
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}
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struct ProfilePicView: View {
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let picture: String?
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let size: CGFloat
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let highlight: Highlight
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var body: some View {
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if let pic = picture.flatMap({ URL(string: $0) }) {
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AsyncImage(url: pic) { img in
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img.resizable()
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} placeholder: {
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Color.purple.opacity(0.2)
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}
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.frame(width: size, height: size)
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.clipShape(Circle())
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.overlay(Circle().stroke(highlight_color(highlight), lineWidth: pfp_line_width(highlight)))
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.padding(2)
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} else {
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Color.purple.opacity(0.2)
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.frame(width: size, height: size)
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.cornerRadius(CORNER_RADIUS)
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.overlay(Circle().stroke(highlight_color(highlight), lineWidth: pfp_line_width(highlight)))
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.padding(2)
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}
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}
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}
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struct ProfilePicView_Previews: PreviewProvider {
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static var previews: some View {
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ProfilePicView(picture: "http://cdn.jb55.com/img/red-me.jpg", size: 64, highlight: .none)
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}
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}
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extension Color {
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init(hex: String) {
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var int: UInt64 = 0
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Scanner(string: hex).scanHexInt64(&int)
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let a, r, g, b: UInt64
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switch hex.count {
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case 3: // RGB (12-bit)
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(a, r, g, b) = (255, (int >> 8) * 17, (int >> 4 & 0xF) * 17, (int & 0xF) * 17)
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case 6: // RGB (24-bit)
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(a, r, g, b) = (255, int >> 16, int >> 8 & 0xFF, int & 0xFF)
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case 8: // ARGB (32-bit)
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(a, r, g, b) = (int >> 24, int >> 16 & 0xFF, int >> 8 & 0xFF, int & 0xFF)
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default:
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(a, r, g, b) = (1, 1, 1, 0)
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}
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self.init(
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.sRGB,
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red: Double(r) / 255,
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green: Double(g) / 255,
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blue: Double(b) / 255,
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opacity: Double(a) / 255
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)
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}
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}
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