[cairo] Text Along Path

[Lawrence D'Oliveiro]

On Tue, 24 Nov 2015 12:13:11 -0600, Behdad Esfahbod wrote:

> I wrote this many years ago, and serves as proof of concept rather
> than fully fleshed out code.

Did you ever figure out why large y-values would magnify the error from
Cairo flattening the path? And not large x-values, for example? I had a
quick look at the code (src/cairo-spline.c), and it seems to be doing
the usual De Casteljau thing.