A WinUI 3-based Bing wallpaper application that lets you easily browse, download, and set beautiful wallpapers from around the world.

English | 中文

✨ Features

🌍 Multi-Region Support

• 14 Regions: China 🇨🇳, United States 🇺🇸, United Kingdom 🇬🇧, Japan 🇯🇵, Germany 🇩🇪, France 🇫🇷, Spain 🇪🇸, Italy 🇮🇹, Russia 🇷🇺, South Korea 🇰🇷, Brazil 🇧🇷, Australia 🇦🇺, Canada 🇨🇦, India 🇮🇳
• Localized Content: Each region offers unique wallpaper content reflecting local culture and scenery
• One-Click Switch: Easily switch between regions to discover more amazing wallpapers
• Smart Language Adaptation: Automatically sets corresponding language headers based on region
• Concurrent Collection: Supports concurrent data collection across multiple regions for improved efficiency

🖼️ Wallpaper Management

• Real-Time Browsing: View the latest Bing daily wallpapers
• Historical Archive: Browse historical wallpapers and discover classic works with incremental loading support
• Multi-Resolution Download: Support for 4 resolutions (1366x768, 1920x1080, 1920x1200, 3840x2160 4K)
• Local Database: SQLite storage for wallpaper information with offline browsing support
• Incremental Loading: Smooth infinite scrolling using IncrementalLoadingCollection

🎨 Image Editing & Effects

• Real-Time Effect Preview: 7 image effects (Exposure, Temperature, Tint, Blur, Contrast, Saturation, Pixelation)
• Win2D Graphics Engine: High-performance image processing based on Microsoft.Graphics.Win2D
• Mockup Preview: Preview wallpaper effects in device models
• High-Quality Export: Support for 2x high-resolution export in PNG/JPEG format
• Real-Time Rendering: Smooth real-time effect preview using CanvasControl

💎 User Experience

• Modern Interface: Fluent Design language based on WinUI 3
• Responsive Layout: Adapts to different screen sizes with elegant animation transitions
• Loading Animations: Shimmer loading effects and elegant loading state indicators
• Error Handling: User-friendly error prompts and retry mechanisms with comprehensive logging
• In-App Notifications: Elegant message notifications using StackedNotificationsBehavior
• System Notifications: Support for Windows system-level notifications

🚀 Quick Start

Check out the Quick Start Guide for detailed information about the tech stack, system requirements, development environment setup, configuration and running the application, as well as database management operations.

🔄 Continuous Integration

This project uses GitHub Actions for continuous integration and automation. Check out the GitHub Actions Documentation for detailed workflow configuration and usage.

• Build Status: Click the "Build and Test" badge at the top to view the latest build status
• Test Coverage: Click the "codecov" badge to view detailed code coverage reports
• Workflow History: Visit the Actions page to view all build history

🤝 Contributing

Contributions of all kinds are welcome!

How to Contribute

1. Fork the Project
2. Create a Feature Branch (git checkout -b feature/AmazingFeature)
3. Commit Your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

Development Guidelines

• Code Style: Follow C# coding standards and .editorconfig configuration
• Naming Conventions: Use meaningful variable and function names
• Comment Standards: Add XML documentation comments
• Testing Requirements: Add unit tests for new features, ensure test coverage does not decrease
• Commit Standards: Use clear commit messages (Conventional Commits recommended)
• Code Review: Ensure code passes all tests and CI checks

🔒 Privacy Policy

We take your privacy seriously. This application:

• ✅ Does not collect any personal information
• ✅ Does not track user behavior
• ✅ Does not upload any data to servers
• ✅ All data is stored locally only

View the complete Privacy Policy or online version.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.

🙏 Acknowledgments

• Microsoft WinUI - Modern Windows UI framework
• CommunityToolkit - Excellent WinUI toolkit
• Bing Wallpaper API - Bing wallpaper data source
• Microsoft.Graphics.Win2D - High-performance 2D graphics rendering
• Entity Framework Core - Data access ORM framework
• Serilog - Structured logging framework

📞 Contact

• Project Homepage: GitHub Repository
• Issue Reporting: Issues
• Feature Suggestions: Discussions

---

⭐ If this project helps you, please give it a star!