> On Jun 30, 2016, at 11:41 PM, Behdad Esfahbod <[email protected]> wrote: > > No, it wouldn't be safe necessarily. That's exactly what the > unsafe-to-break API is about, but that's not finished yet. For now, > you have to reshape the entire new string.
That’s O(n^2) in terms of the amount of shaping that has to be done per paragraph based on the length of the paragraph text, and not workable in practice > >> On Thu, Jun 30, 2016 at 8:31 PM, Kelvin Ma <[email protected]> wrote: >> If I have the string A = 'affifibcd' and the master list of shaped glyphs >> >> [a 0] [ffi 1] [fi 4] [b 6] [c 7] [d 8] >> >> and I wanted to shape the substring A[2:] ('fifibcd'), could I simply take >> my preshaped glyphs after the cluster at or above (ceiling) i = 2 and only >> reshape the segment A[2:6]? >> >> So I would reuse the glyphs >> >> [fi 4] [b 6] [c 7] [d 8] >> >> and reshape the segment A[2:6] = 'fifi' to get >> >> [fi 2] [fi 4] >> >> and add them together (dropping the last glyph in the reshaped segment) to >> get >> >> [fi 2] [fi 4] [b 6] [c 7] [d 8] >> >> ? >> Would this be the same result as reshaping the entire segment A[2:]? Would >> this still work for RTL text, or a substring that’s on the left-hand side of >> the parent string like A[:5] = 'affif'? >> >> _______________________________________________ >> HarfBuzz mailing list >> [email protected] >> https://lists.freedesktop.org/mailman/listinfo/harfbuzz >> > > > > -- > behdad > http://behdad.org/ _______________________________________________ HarfBuzz mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/harfbuzz
