PK_SURF_extension_t   

typedef int PK_SURF_extension_t;

Used in:

PK_SURF_extend_o_t


This datatype specifies how a surface is to be extended.  It has values:

    PK_SURF_extension_none_c        No extension requested
    PK_SURF_extension_point_c       Extend to a point.
    PK_SURF_extension_box_c         Extend to a box.
    PK_SURF_extension_uvbox_c       Extend to a uvbox.
    PK_SURF_extension_ratio_c       Extend parameter boundaries by a ratio of
                                    the current parameter range.