Ctrlk
For the complete documentation index, see llms.txt. This page is also available as Markdown.

Developer Notes

Notes on building drawing applications and creative technology on Windows. Covers pen input APIs, UI frameworks, rendering approaches, and observations from building pen-enabled apps across multiple languages and frameworks.

Topics

  • Pen Input — Windows pen APIs, framework-specific input routing, coordinate spaces, DPI handling

  • Rendering — Bitmap-backed drawing, SkiaSharp, Win2D, GDI, tiny-skia

  • Frameworks — WinUI 3, WPF, WinForms, Avalonia, egui, Win32

Related Projects

  • WinPenKit — Unified pen input SDK for Windows

  • Wacom_WintabDN — Low-level Wintab .NET library. This is a refactoring and cleanup of Wacom's WintabDN library. It does exactly the same thing but the code inside is more modern, follows more best practices. I don't think anyone would need this in practice, but I am keeping it around since it was the start of my exploration with the topic of Windows pen input APIs.

NextPen input APIs

Last updated