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# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
include <pmset.h>
include <plio.h>
# PM_BOX -- Rasterop between a box as source, and an existing mask as dest.
# This is a 2-dim operator. The pm_setplane procedure is used to specify
# the plane to be modified.
procedure pm_box (pl, x1,y1, x2,y2, rop)
pointer pl #I mask descriptor
int x1,y1 #I lower left corner of box
int x2,y2 #I upper right corner of box
int rop #I rasterop
errchk pl_getplane
include "pmio.com"
begin
if (PM_MAPXY(pl) == YES) {
call pl_getplane (pl, v1)
v1[1] = x1; v1[2] = y1
call imaplv (PM_REFIM(pl), v1, v2, PM_MAXDIM)
call pl_getplane (pl, v3)
v3[1] = x2; v3[2] = y2
call imaplv (PM_REFIM(pl), v3, v4, PM_MAXDIM)
call pl_box (pl, v2[1],v2[2], v4[1],v4[2], rop)
} else
call pl_box (pl, x1,y1, x2,y2, rop)
end
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