[Plplot-devel] Re: driver-dependent options

[Joachim W. <wu...@cr...>]

> > The W2000 driver has the option "hwnd" which takes
> > as argument a pointer to a HWND handle. To use
> > this, one has to convert the pointer through
> > something like sprintf(drvopt_arg, "hwnd=3D%x", m_hwnd)
> > to a string.

It works! Note however one error in my previous mailing:
we need "%d", not "%x", because the back conversion will
also be done assuming decimal representation of integers.

> You mean using plSetOpt() to do it? I'm afraid I don't follow you.
> Why don't you just write an API entry (and submit it), say=20
> plDrvOpt("<option_name", "<value>")?

Sorry, Joao, I won't do it because the whole option passing
mechanism is terribly complicated; someone who understands
the whole structure of plcore, plargs &c. could do it in a
fraction of the time I would need.

- Joachim