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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <plio.h>
# PL_GLLS -- Get a line segment as a list list, applying the given ROP to
# combine the pixels with those of the output line list.
procedure pl_glls (pl, v, ll_dst, ll_depth, npix, rop)
pointer pl #I mask descriptor
long v[PL_MAXDIM] #I vector coords of line segment
short ll_dst[ARB] #O output line list
int ll_depth #I line list depth, bits
int npix #I number of pixels desired
int rop #I rasterop
int ll_len
pointer sp, ll_out, ll_src
pointer pl_access()
errchk pl_access
begin
ll_src = pl_access (pl,v)
if (!R_NEED_DST(rop) && v[1] == 1 && npix == PL_AXLEN(pl,1)) {
ll_len = LP_LEN(ll_src)
call amovs (Mems[ll_src], ll_dst, ll_len)
} else {
call smark (sp)
call salloc (ll_out, LL_MAXLEN(pl), TY_SHORT)
call pl_linerop (Mems[ll_src], v[1], PL_MAXVAL(pl), ll_dst, 1,
MV(ll_depth), Mems[ll_out], npix, rop)
ll_len = LP_LEN(ll_out)
call amovs (Mems[ll_out], ll_dst, ll_len)
call sfree (sp)
}
end
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