[cairo] Text Along Path

[Behdad Esfahbod]

On 15-11-24 06:31 PM, Lawrence D'Oliveiro wrote:
> On Tue, 24 Nov 2015 16:45:02 -0600, Behdad Esfahbod wrote:
> 
>> When you De Casteljau the curve, the new line spline has slightly
>> different tangent at every point of the curve, and hence different
>> normal vector.
> 
> You mean in terms of the parametrized form of the curve? Because I
> thought geometrically speaking, de Casteljau decomposition is exact.

Yep, my bad.  I meant, the flattening to a series of straight lines introduces
the error.