[TCLCORE] Looking for help accessing Tk internals on Windows

[Andrew C <jx...@gm...>]

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.

Thank you!
Andrew