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Re: New articulation character for half-open hi-hats?

From: Werner LEMBERG
Subject: Re: New articulation character for half-open hi-hats?
Date: Sat, 09 Jan 2010 19:56:27 +0100 (CET)

>> This might cause problems if images are converted to, say, cropped
>> PNG images.  You must assure somehow that the slash won't get cut
>> off.
> [...] Furthermore, if I understand your comment correctly, even
> something like the coda or snappizzicato characters could have the
> semi-circles that extend beyond the bounding box cut off.  [...]

Perhaps I'm wrong, and the whole thing is a non-issue: ghostscript can
compute the exact bounding box of an EPS file, AFAIK, taking care of
the real dimensions of all glyphs (relying on the outlines instead of
the metrics).  However, I think this is not yet correctly implemented
in lilypond's EPS->PNG routines since I still see cutoffs in PNG
images, for example the digit 2 in the second image in section 5.2.3
of the notation reference.  A really severe cut off is given in the
snippet file

(this is wrong even in the EPS).

And the cutoffs in section 1.1.3, subsection `Automatic Accidentals',
look like a real bug in lilypond since this must not happen IMHO...


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