PK_ERROR_code_t        PK_BLENDSF_ask
(
--- received arguments ---
PK_BLENDSF_t           blendsf,      --- blendsf

--- returned arguments ---
PK_BLENDSF_sf_t *const blendsf_sf    --- standard form of blendsf
)


This function returns the standard form of a rolling ball blend surface.


The application must provide the space for the standard form but need not
initialise any of the fields.  See documentation for PK_BLENDSF_sf_t.