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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <config.h>
include <gki.h>
# GKI_POLYLINE -- Output a polyline.
#
# BOI GKI_POLYLINE L N P
#
# L(i) 4 + (N * 2)
# N(i) number of points in the polyline
# P(Np) list of points (x,y pairs)
procedure gki_polyline (fd, points, npts)
int fd # output file
short points[ARB] # polyline
int npts # number of (x,y) points in polyline
int epa
short gki[GKI_POLYLINE_LEN]
data gki[1] /BOI/, gki[2] /GKI_POLYLINE/
include "gki.com"
begin
if (IS_INLINE(fd)) {
epa = gk_dd[GKI_POLYLINE]
if (epa != 0)
call zcall2 (epa, points, npts)
} else {
gki[GKI_POLYLINE_L] = GKI_POLYLINE_LEN + (npts * 2)
gki[GKI_POLYLINE_N] = npts
call write (gk_fd[fd], gki, GKI_POLYLINE_LEN * SZ_SHORT)
call write (gk_fd[fd], points, (npts * 2) * SZ_SHORT)
}
end
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