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Re: do we want special versions of the accidentals for use with text?


From: Janek Warchoł
Subject: Re: do we want special versions of the accidentals for use with text?
Date: Wed, 28 Sep 2011 16:05:51 +0200

2011/9/28 Werner LEMBERG <address@hidden>:
>
>>> In fact, the accidentals shouldn't overshoot the height of a normal text:
>>> not higher than 'f' and not lower than 'g'.
>>
>> Yes, approximately.
>
> I think the question is rather where to position the glyph's baseline.

Yes, baseline is most important.

>>> It would be interesting to see trailing accidentals if combined with
>>> digits from a figured bass.  Maybe we should have a third, different
>>> looking set of accidentals?
>>
>> Maybe, but i'd prefer to avoid this if possible for the sake of
>> simplicity.
>
> Mhmm, we are using Metafont!  Given the many different noteheads,
> controlled by a bunch of meta-variables, I don't see a reason to not
> do the same for accidentals, if necessary.  Admittedly, this isn't an
> urgent issue, but it was you who has started this thread :-)

ok, you got me here :)

>> There are two different ways we would like to align accidentals [...]
>>
>> The first method (for use with text) should be implemented by moving
>> the baseline of the glyphs, i think.
>
> Yes.
>
>> For the second method, i see two possibilities:
>> - use bounding box (adjusted a bit), i.e. the bottom of bounding box
>> becomes baseline (i hope its possible?); see attachment 2,
>
> No.  As soon as other characters are involved, the first method should
> be used.

I'm not sure i understand - are you saying that we should always align
accidentals like in attached 'blah.png'?  I.e. chordnames with
accidentals should look like 'chords 2.png'?

>> - vertically center the accidental on parent grob.
>
> No.  There is a similar problem in TeX, namely to align a complex
> inline mathematical formula along the text line around it.  The only
> solution which really works is to align the baselines.  Centering
> glyphs gives horrible results; for example, just look at the way how
> Wikipedia displays formulae (if converted to little inline gif images)
> if you select a different text size for the text.

I don't like this solution either.

cheers,
Janek

Attachment: chords 2.png
Description: PNG image

Attachment: blah.png
Description: PNG image


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