gpr_arc_c2p(A)

GPR_$ARC_C2P                      GPR Calls                       GPR_$ARC_C2P


NAME
     gpr_$arc_c2p - draws an arc.

FORMAT
     gpr_$arc_2cp (center, p2, direction, option, status)

DESCRIPTION
     This routine draws an arc from the current position to the point where
     the arc intersects a user-defined ray.

     The radius of the arc equals the distance from center to the current
     position.

     After the arc is drawn, the point where the arc intersects the ray
     becomes the new current position.

   Input Parameters
     center
          The center of the arc, in gpr_$position_$t format.  This data type
          is 4 bytes long.

     p2   A coordinate position used to define a ray that passes through the
          center of the arc, in gpr_$position_t format. The arc begins at the
          current position and ends where it intersects the ray.  This data
          type is 4 bytes long.

     direction
          The drawing direction for the arc in gpr_$arc_direction_t format.
          This data type is 2 bytes long. Possible values are gpr_$arc_ccw
          (counter-clockwise) and gpr_$arc_cw (clockwise).

     option
          The choice of whether or not to draw an arc if the current position
          is coincident with the terminal point of the arc.  This parameter is
          in gpr_$arc_option_t format.  Possible values are gpr_$arc_draw_none
          and gpr_$arc_draw_full.

   Output Parameters
     status
          Completion status, in status_$t format.

NOTES
     When you have clipping enabled, you can specify coordinates  outside  the
     bitmap  limits.   With  clipping disabled, specifying coordinates outside
     the bitmap limits results in an error.
Museum
