Re: [Plplot-devel] Core width patch

[Alan W. I. <ir...@be...>]

OK.  Since nobody felt strongly about this I have just gone ahead and
committed the ability to set width =0 in plcore, plargs.  I have also
commited the change in the API documentation source.

Alan

email: ir...@be...
phone: 250-727-2902	FAX: 250-721-7715
snail-mail:
Dr. Alan W. Irwin
Department of Physics and Astronomy,
University of Victoria, P.O. Box 3055,
Victoria, British Columbia, Canada, V8W 3P6
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On Fri, 22 Feb 2002, Alan W. Irwin wrote:

> On Fri, 22 Feb 2002, Olof Svensson wrote:
>
> >   (Alexandre [Gobbo] writes) The line in plcore:
> >
> >     if (width != plsc->width && width > 0) {
> >
> >   avoids you from setting width =0. But a width =0 has
> >   meaning in windows and unix, so I changed into
> >
> >         if (width != plsc->width && width >= 0) {
> >
> >   width=0 is a thin line, more efficiently drawn than width =1
>
> This is a (minor) API change so I thought this should be discussed on the
> list before I make the change (and also change the documentation
> appropriately).  I checked the code and apparently the setting width = 0
> should cause no problems because that is what it is by default.  (The
> PLStream memory area is malloced, then memset to zero.  BTW, couldn't this
> be done with calloc?)
>
> I didn't check in detail for every driver, but it looks like drivers that
> worry about width set the minimum possible appropriate width for that driver
> when they encounter width=0 which is how I will document this change if we
> all agree to it.
>
> Alan
>
>
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