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Diffstat (limited to 'sys/plio/tf/plplpl.x')
| -rw-r--r-- | sys/plio/tf/plplpl.x | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/sys/plio/tf/plplpl.x b/sys/plio/tf/plplpl.x new file mode 100644 index 00000000..85a11304 --- /dev/null +++ b/sys/plio/tf/plplpl.x @@ -0,0 +1,41 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include <plio.h> + +# PL_PLP -- Put a line segment input as a pixel array to a mask, applying the +# given ROP to combine the line segment with the existing line of the mask. + +procedure pl_plpl (pl, v, px_src, px_depth, npix, rop) + +pointer pl #I mask descriptor +long v[PL_MAXDIM] #I vector coords of line segment +long px_src[ARB] #I input pixel array +int px_depth #I pixel depth, bits +int npix #I number of pixels to be set +int rop #I rasterop + +int ll_len +pointer sp, ll_src, ll_out, ll_dst +pointer pl_access() +int pl_p2ll() +errchk pl_access + +begin + call smark (sp) + call salloc (ll_src, LL_MAXLEN(pl), TY_SHORT) + + # Convert the pixel array to a line list. + ll_len = pl_p2ll (px_src, 1, Mems[ll_src], npix) + + if (!R_NEED_DST(rop) && v[1] == 1 && npix == PL_AXLEN(pl,1)) + call pl_update (pl, v, Mems[ll_src]) + else { + call salloc (ll_out, LL_MAXLEN(pl), TY_SHORT) + ll_dst = pl_access (pl,v) + call pl_linerop (Mems[ll_src], 1, PL_MAXVAL(pl), Mems[ll_dst], v[1], + MV(px_depth), Mems[ll_out], npix, rop) + call pl_update (pl, v, Mems[ll_out]) + } + + call sfree (sp) +end |