[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5940 Split glyph contours in up/down segments for skylines

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Patch does not apply to current master.

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[issues:#5940] Split glyph contours in up/down segments for skylines

Status: Started
Created: Sun Apr 26, 2020 07:43 AM UTC by Han-Wen Nienhuys
Last Updated: Sun Apr 26, 2020 11:20 AM UTC
Owner: Han-Wen Nienhuys

This reduces the amount of skyline input coming from glyph outlines by
2x.

benchmark for arguments: input/regression/mozart-hrn-3
raw data: {'ff2061b518': [2.72, 2.69, 2.71], 'e8212e15e2': [2.7, 2.68, 2.69]}

Version ff2061b518: Create skylines directly from glyph outlines.
e8212e15e2 - Split glyph contours in up/down segments for skylines
med diff -0.020000
med diff -0.738007 % (e8212e15e2 is faster)

benchmark for arguments: -I carver MSDM
raw data: {'ff2061b518': [51.83, 51.99, 52.05], 'e8212e15e2': [51.27, 51.2, 51.48]}

ff2061b518: Create skylines directly from glyph outlines.
e8212e15e2 - Split glyph contours in up/down segments for skylines
med diff -0.720000
med diff -1.384882 % (e8212e15e2 is faster)

https://codereview.appspot.com/569700043

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