On Aug 11, 2011, at 7:03 PM, Neil Puttock wrote: > On 11 August 2011 12:34, m...@apollinemike.com <m...@apollinemike.com> wrote: > >> I figured out why it works - I figured I'd post this to the list in case >> anyone else ever wants to mess around with pure properties. >> >> The StemTremolo is added to the paper column's element grob array via the >> axis-group-engraver because it does not have an axis-group-parent-Y. > > I think you mean the VerticalAxisGroup's elements array. > > The StemTremolo is added to a PaperColumn's elements array (and gets > the column as axis-group-parent-X) in the Paper_column_engraver. >
Yes, you're absolutely right. >> Then, when horizontal spacing happens, its pure height function is passed >> through for its print function (separation-item.cc). > > I think I understand: before you added the print-to-height conversion, > the original height callback (ly:stem-tremolo::height) wasn't > pure-relevant; this resulted in Item::pure_height () returning an > empty extent, causing the StemTremolo to be left out of the skyline. > This didn't matter unless the spacing was really tight. > Yup! Cheers, MS _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel
