On Wed, 12 Oct 2016, Henning Hraban Ramm wrote:
Now, I’d like to overwrite "texsettings.ly", containing the setting of ConTeXt’s text width, each time before I call LilyPond, to adapt its note line width to the current text width. That would automate the line width adaption to e.g. columns.In the module’s documentation under "Dealing with expansion" I found the example of creating the filter command in a macro. Can I use this to call a Lua function first and then LilyPond? Or is there a better way?
There is an internal option: filtersetups that may be useful for what you have in mind.
You can create a lua function, say lilypond.initialize(...), that does all the initializations, and then write
\startsetups lilypond:initialize \ctxlua{lilypond.initialize()} \stopsetups \defineexternalfilter[...] [ ... filtersetups=lilypond:initialize, ... ] This is untested, but it should work. Aditya
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