Re: Ligatures

[Stefan Monnier]

>> Do current applications use a heuristic like "ligatures won't reduce the
>> size by more than a factor 2, so estimate the lower bound on the final
>> size to be at most half of what the font metrics say", so they will send
>> up to twice as much text to be shaped as needed, and then they throw
>> away the left overs?
> As I wrote elsewhere, HarfBuzz developers actually prefer to see the
> entire paragraph, not just screen line, because some shaping decisions
> depend on that.  Not sure what the other applications do about that.

But the entire "paragraph" could be 10MB of text?!

Sounds like making the "long lines problem" even worse than it already is.


        Stefan