Get the control points of a segment to match exactly a catmull-rom spline */

Add item to array/object. */

Utility for handling references. */

decodeFPDeltaRow(): MIT License, copyright 2014 Javier Celaya <jcelaya@gmail.com>

Copy the given buffer to screen

called after all properties have been loaded from .pfi file

Find an XMP block

Returns a rotation matrix which combines three rotations. First, around the * y axis by ρ₁, then, around the x axis by δ, and finally, around the y