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Re: Gets vertical skylines from grob stencils (issue 5626052)

From: David Kastrup
Subject: Re: Gets vertical skylines from grob stencils (issue 5626052)
Date: Thu, 01 Mar 2012 12:04:07 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.0.92 (gnu/linux)

Han-Wen Nienhuys <address@hidden> writes:

> On Thu, Mar 1, 2012 at 7:57 AM, David Kastrup <address@hidden> wrote:
>>>> From what i see, the skylines are now more precise than they need to
>>>> be - every glyph has a skyline of 10 or so boxes, even if it's a
>>>> single letter! (see attached)
>>>> I think the proper solution would be to:
>>>> a) set minimal "step" size to 0.2 staffspace (or more in case of
>>>> bigger objects)
>>>> b) change outlines from "stairs" to glued lines (what Joe suggested).
>>>> This would allow for even less "fragments" for each skyline.
>>> It's neat that you are generating such precise skylines, but can you
>>> show places where this makes an appreciable difference for texts?
>> Well, it is again an issue of "incest tabu" where the details of the
>> combining skylines make best sense for combining _heterogenous_
>> elements: for arranging text with text, you don't want to have things
>> get too closely or even interleaved.  But having a single high letter
>> "interlock" with a note stem can improve the overall arrangement.
> Exactly my point: you can fix the single letter case with a single
> bbox per glyph.  Why do you need more accuracy than single box per
> glyph?

Because a "q" does not have its descender stick out in the middle over
the full breadth.  For collision avoidance, it is good for at least two

David Kastrup

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