Re: [TCLCORE] Looking for help accessing Tk internals on Windows

[Jan N. <jan...@gm...>]

Op ma 21 apr 2025 om 14:03 schreef Andrew C:
>
> Hello everyone!
>
> I'm modifying Tkhtml and am trying to use Cairo to add border-radius support but am hitting some roadblocks.
>
> On Linux, it is easy; I simply give Cairo the Xlib Pixmap to draw on. However, on Windows, I need to give Cairo a Win32 HDC. Is there any way to get a Pixmap's corresponding HDC on Windows?
>
> Something like TkWinGetDrawableDC might be exactly what I need, but using it gives me a slew of errors, including "error: 'TkIntPlatStubs' has no member named 'tkWinGetDrawableDC'".
>
> Any thoughts would be greatly appreciated.

Try to add this at the beginning of the file:
    #include "tkWinInt.h"
That should help.

Take care!
      Jan Nijtmans