The Last Wallpaper

Picture Of The Day (POTD) on desktop.

What's New
Documentation
Application Settings
Release Notes

System requirements: Windows 10 x64, .NET Desktop Runtime 8.0.

There are at least two others developer versions in branches: one is cross-platform app written under the AvaloniaUI /develop-cs-xplatform and another one /develop-fs-win written in F#. Both are workable but abandoned and obsolete.

What's New

6 Aug 2024

Add Elementy (science picture of the day).

Not so far

Add application settings file.
Remember the last wallpaper and recall it after the app restarts.
Wikipedia POTD loader added.
NASA APOD loader added.

Documentation

Elementy RSS Feed. Science picture of the day.
Wikipedia POTD (Picture Of The Day)
Bing image of the day. API:
- May 2024
- Nov 2022
NASA Open APIs Portal, free but limited with 50 requests per IP address per day.
Windows 10 Toast Notifications
Windows Desktop Wallpaper
// TODO: https://www.natgeotv.com/ca/photo-of-the-day

Application Settings

See appsettings.json file in the application folder.

Format for date-time options (periods/timeout/etc) is: days.hours:minutes:seconds.milliseconds.
For ex.: 5 days 4 hour 3 minutes 2 seconds and 789 milliseconds = "5.04:03:02.789".

update_every - check pod updates every.
update_timeout - timeout for updating all pods.
toast_expire_in - toast message will disappear after this period of time.
tray_icon - what will the tray icon look like:
- "replica" - a tiny replica of desktop image.
- "mosaic" - nine tiles with main accent colors of desktop image.
active_pods - active pods list. Will updated in appear order. The first one with positive result become a wallpaper.
- "bing" - bing.com
- "wikipedia" - Wikipedia POTD
- "apod" - NASA APOD
- "elementy" - Elementy (science picture of the day).
bing
- resolution - resolution of the picture:
  - "UltraHD" or "UHD" - 4K, 3840x2160 px
  - "FullHD" or "FHD" - 1920x1080 px
  - "HD" - 1280x720 px
apod
- throttling_hours - next update will happen after this period. Be aware that APOD free but limited with 50 requests per IP address per day.
- api_key - if you have your own paid API key.

{
  "update_every": "00:57:00",
  "update_timeout": "00:05:00",
  "toast_expire_in": "2.00:00:00",
  "tray_icon": "replica",

  "active_pods": [ "bing", "apod" ],
  
  "bing": {
    "resolution": "UHD"
  },

  "apod": {
    "throttling_hours": "23:00:00",
    "api_key": "DEMO_KEY"
  },

  "user_agent": "LastWallpaper/4.6.23 (Windows NT 10.0; Win64; x64)"
}

Release Notes

Upcoming

Add Elementy (science picture of the day).

4.6.24

Add application settings file.
Remember the last wallpaper and recall it after the app restarts.

4.6.10

Wikipedia POTD loader added

4.6.5

NASA APOD loader added

4.6.3

Bing POD loader is ready

4.5.29-alpha

C#, switched back to csharp + winforms

3.6.19-alpha

Windows toast notifications

3.6.18-alpha

F#, Bing POD. Changes tray icon according to the new image of the day

2.11.22-alpha

C#, cross-platform version with Avalonia UI.

nikvoronin/LastWallpaper