Kieren MacMillan wrote:
2. Can Hairpin inherit line-spanner-interface? If so, can this be
done in Scheme, or does it require C++?
It already has the line-interface and the spanner-interface as well
as 3 other interfaces. Exactly what are you missing in the Hairpin?
I'd like to be able to set #'bound-details, in particular the padding:
\version "2.12.2"
\paper { ragged-right = ##f }
hairpinBoundTest = \relative { c'4\< c\! \override Hairpin
#'(bound-details right padding) = #5.0 c\< c\! }
\score { \hairpinBoundTest }
Eventually, I'd like to have a callback function that gives me the
padding in terms of beats in the current measure (as opposed to staff
spaces), so that I could "trim" a Hairpin by (e.g.) a half note. This
ability would completely eliminate the need for spacer skips, extra
voices, etc.
Does that make sense?
Implementing such a feature by first trying to translate the duration
into a numerical value and then set the padding doesn't seem like the
best solution to me. For example, how do you handle the situation where
there's a line break inbetween? I'd rather go for a solution that
internally is equivalent to spacer notes in a parallel line of music
(within the same Voice context, though), but where the user doesn't have
to see this internal representation.
/Mats
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