Werner LEMBERG <w...@gnu.org> writes: >> Open_type_font:: and Pango_font::name_to_index() each call >> FT_Get_Name_Index(). Inserting print statements to trace those calls >> I find that FT_Get_Name_Index is called: >> 7 times for each character in a Tempo >> 5 times for each character in a Text Script >> ... >> 1 time for each notehead >> 5 times for each rest > > Ouch. `FT_Get_Name_Index' is quite a slow function, indeed, so > caching its results would speed up things a lot. > > Note that speeding up the function itself was never on my radar – in > all the years I'm working on FreeTpye there was not a single request > to do so, IIRC. Modern fonts use the SFNT container format, centered > around glyph indices, not glyph names. In other words, looking up > glyph indices from glyph names is not a central function in most > cases. > > I will check whether I can improve that in FreeType.
Is there a reason this would have such a significantly different impact in Windows? -- David Kastrup _______________________________________________ lilypond-devel mailing list lilypond-devel@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-devel
