Le mercredi 23 août 2023 à 11:40 +0000, Werner LEMBERG a écrit : > > I am slowly creating a font to be used for tablature ... so far I > > have bitmaps of a couple of characters. I'd like to try them out > > and get an idea how they look. Is there any way I can replace a > > character with a small scaled bitmap? > > Not directly. You would have to convert the bitmap to an EPS file, > say. You might try potrace to do such a conversion. > > https://potrace.sourceforge.net/ > > The FontForge font editor comes with native support for potrace, BTW.
The tool looks quite impressive. OTOH, in 2.25, there's \image to use
a PNG file, so you don't necessarily need to convert the bitmap to a
vector graphics form.
If the goal is just to test the glyphs (and not to automate the use of
these bitmaps in a large tablature score), I'd just get them in PNG
format if not already the case, and do something like
\version "2.25.7"
\new TabStaff {
\once \override TabNoteHead.stencil =
#(lambda (grob)
(grob-interpret-markup
grob
#{ \markup \image #X #2 "/path/to/image.png" #}))
c'
}
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