PhotoBooth

A photobooth application available as both a web app (PWA) and a cross-platform desktop app (Avalonia).

Select a camera, see a live preview, press the button to start a 3-second countdown, and capture a photo. The image is saved automatically and optionally sent to the printer.

Desktop App (Avalonia)

A cross-platform .NET desktop application in the PhotoBoothApp/ folder.

Requirements

• .NET 10 SDK (or later)
• A webcam

Quick Start

cd PhotoBoothApp
dotnet run

Build

cd PhotoBoothApp
dotnet build -c Release

The output binary is in PhotoBoothApp/bin/Release/net10.0/.

Tech Stack

Component	Technology
UI framework	Avalonia 11
Camera capture	OpenCvSharp4
MVVM toolkit	CommunityToolkit.Mvvm
Target framework	.NET 10

Features

• Camera selection (probes available devices on startup)
• Live camera preview via OpenCvSharp frame capture
• 3-second countdown with glow effect
• Flash overlay on capture
• Saves photos to the system Pictures folder as photobooth-{timestamp}.png
• Toggle to enable/disable the print dialog
• Responsive layout — works at any window size
• Cross-platform print support (Windows, Linux, macOS)

Project Structure

PhotoBoothApp/
  Program.cs                          # Entry point
  App.axaml / App.axaml.cs            # Application shell
  Views/
    MainWindow.axaml / .axaml.cs      # UI layout
  ViewModels/
    ViewModelBase.cs                  # Base MVVM class
    MainWindowViewModel.cs            # App logic and state
  Services/
    CameraService.cs                  # Camera enumeration and frame capture
    PrintService.cs                   # Cross-platform print invocation

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License

MIT