Re: geometric primitives (was: interviews with groff developers)

2023-08-08 Thread Douglas McIlroy
>From the user's perspective, I think simplest would be if "line" took a "fill" attribute subject to the constraint that the line ends where it begins, something pic can enforce. In that case, it would draw a solid polygon instead of a sequence of lines. I once looked into the code to see if

Re: geometric primitives (was: interviews with groff developers)

2023-08-07 Thread James K. Lowden
On Mon, 7 Aug 2023 10:44:44 -0500 "G. Branden Robinson" wrote: > But groff does support "boxes", if you will. Cunnigham's Law strikes again! > \D'p h1 v1 ... hn vn' > Draw polygon with vertices at drawing position and each > point in sequence. GNU troff closes the polygon by

geometric primitives (was: interviews with groff developers)

2023-08-07 Thread G. Branden Robinson
At 2023-08-07T04:55:56-0400, James K. Lowden wrote: > On Sat, 5 Aug 2023 21:52:26 -0400 > Douglas McIlroy wrote: > > > I can edit the content of figures, which I believe is impossible in > > PDF. One use of this capability is to overcome a > > deficiency in pic: filling polygons. > > I'm

Re: interviews with groff developers

2023-08-07 Thread James K. Lowden
On Sat, 5 Aug 2023 21:52:26 -0400 Douglas McIlroy wrote: > I can edit the content of figures, which I believe is impossible in > PDF. One use of this capability is to overcome a > deficiency in pic: filling polygons. I'm surprised you're forced to edit the object code. What is missing in the

Re: PostScript viewers (was: interviews with groff developers)

2023-08-06 Thread Steve Izma
On Sat, Aug 05, 2023 at 09:52:26PM -0400, Douglas McIlroy wrote: > Subject: Re: interviews with groff developers > > But PostScript seems to be barely hanging on by its > fingernails. I uninstalled my Ghostly .ps reader on one of my > computers and have been unable to re

Re: interviews with groff developers

2023-08-05 Thread Douglas McIlroy
> I don't know of any other PDF generation tool chain that works that way > [via PostScript] or regards it as optimal. Nor do I, but I stick with the PostScript route because it's more flexible. PostScript can be edited. In particular, I can edit the content of figures, which I believe is

Re: interviews with groff developers

2023-08-04 Thread Deri
On Friday, 4 August 2023 17:58:13 BST G. Branden Robinson wrote: > Read Deri's first--it's more interesting. :) Mine is about as > hair-splitting as any reader of this mailing list would expect. Hi Branden, Oh, I don't know, I think yours is better, in a quantative sense. :-) Cheers Der

interviews with groff developers

2023-08-04 Thread G. Branden Robinson
Hi folks, Jim Hall, who solicited this list for interview subjects last month, has posted a couple, one with Deri and one with me. Read Deri's first--it's more interesting. :) Mine is about as hair-splitting as any reader of this mailing list would expect.