[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5277 add glyphs for 256th, 512th and 1024th flags and rests

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2nd attempt - previous post deleted because of messed-up formatting

Hi Malte

Good work!

• consequent and logical extension of the existing flags and rests
• by adapting some Metafont parameters (most notably flagspace, hip_depth_ratio) you managed to maintain the overall "look and feel" even of the downstem flags.
• The dot position problem is a mystery yet unsolved and is not "your" new flags' fault.
• Stem alignment etc ok
• Stem lengths ok
• Downstem inner flag/notehead positioning consistent
• Rest positioning ok

Donwstem flags
The inner flag has to cope with the notehead, that's why they are slightly wider than the upstem flags. This difference in width gradually vanishes further away from the notehead, that's why the fiddling with flag parameters in Metafont is needed.
I've played around with the values myself and came to about the same solutions as you did.
The differences are barely visible, and, in typography, if it looks equal, it is equal.

All the best,
Torsten

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[issues:#5277] add glyphs for 256th, 512th and 1024th flags and rests

Status: Started
Created: Wed Feb 21, 2018 02:15 PM UTC by Malte Meyn
Last Updated: Wed Feb 21, 2018 10:16 PM UTC
Owner: Malte Meyn

add glyphs for 256th, 512th and 1024th flags and rests

This post on lilypond-user asks for small rhythmic values (though it doesn’t explicitely mention rests and unbeamed/flagged notes): https://lists.gnu.org/archive/html/lilypond-user/2018-02/msg00614.html

1024th is the shortest duration suggested by SMuFL.

Needs special focus in review:
• forms of downstem flags

Needs improvement but I don’t know how to do:
• dot position for very short rests (see regtest)

Contains also:
• adjust stem lengths for 256th, 512th, and 1024th flags
• Notation Reference: change shortest value from 128th to 1024th
• add very short rests to regtest

http://codereview.appspot.com/336590043

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