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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5938 Thread s


From: Auto mailings of changes to Lily Issues via Testlilyissues-auto
Subject: [Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5938 Thread skyline construction through stencil interpretation
Date: Fri, 01 May 2020 09:15:44 -0000

update commit msg; no functional changes

https://codereview.appspot.com/581960043


[issues:#5938] Thread skyline construction through stencil interpretation

Status: Started
Created: Sat Apr 25, 2020 11:42 AM UTC by Han-Wen Nienhuys
Last Updated: Fri May 01, 2020 09:15 AM UTC
Owner: Han-Wen Nienhuys

Before, we'd convert stencils to a combination of boxes and buildings,
and afterwards convert those to skylines.

The new approach has the following advantages:

A next improvement is to thread Lazy_skyline_pair through to the glyph
outline generation. This would let us cut back on memory use for path
storage, and reduce the number of paths by 2x (the orientation of the
outline segments tells us if they are for the up or down skyline.)

Formatting impact:

The regtest shows 114 differences. The improved skylines lead to
slightly denser formatting, both horizontally and vertically. In
particular, some accidental configurations become very cramped (eg
accidental-placement.ly)

Timing impact: TODO

https://codereview.appspot.com/581960043


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