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Re: Eyeglasses (was Re: -dbackend=svg ... warning: missing stencil expr

From: Patrick McCarty
Subject: Re: Eyeglasses (was Re: -dbackend=svg ... warning: missing stencil expression `embedded-ps')
Date: Sun, 6 Jun 2010 12:16:29 -0700

On Sun, Jun 6, 2010 at 6:43 AM, Carl Sorensen <address@hidden> wrote:
> On 6/6/10 7:36 AM, "Neil Puttock" <address@hidden> wrote:
>> 2010/6/4 Patrick McCarty <address@hidden>:
>>> Another option is to use the 'path routine.  This isn't documented yet
>>> and is a little cumbersome to use, but you can find an example that
>>> uses 'path in this snippet:
>> I see \eyeglasses uses make-postscript-markup; I guess it should be
>> rewritten using 'path (or ideally, implemented as a glyph).
>> Unfortunately it uses `arc' to create the lenses, which will be a pain
>> to approximate using curveto (the usual suggestion being four bezier
>> quadrants as a fair approximation. :)
> I'd be happy to add it as a glyph.  I've got enough experience in the fonts
> now with my work on shape notes that it wouldn't take long.
> However, I think there's some value in having something in the distribution
> that uses 'path, because that's an easy way for users to add new shapes.

I think that using 'path would be the better option, also the circles
and semicircle will be a little tricky to code.

> So I'd like to propose that we have the task of changing \eyeglasses from
> make-postscript-markup to 'path be a Frog task.

To make everything easier, we should probably add a new markup
command, \path, so that we can use `make-path-markup' when redefining


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