[cairo] stretching a shape along a path

[Lawrence D'Oliveiro]

On Fri, 15 Jan 2016 11:40:12 -0800, Brian Merchant wrote:

> I am wondering how I can stretch a shape along a path. Take for
> example this picture: http://i.imgur.com/5TxrZeI.png
> 
> In the example, a triangle is "stretched" along a Bezier path.
> 
> How would I reproduce such an effect using Cairo?

Perhaps flatten the path, subdivide the resulting segments into smaller
segments, then remap the points according to the deforming curve.