1 files changed, 123 insertions, 0 deletions
diff --git a/pkg/obsolete/imcombine/icgrow.gx b/pkg/obsolete/imcombine/icgrow.gx
new file mode 100644
index 00000000..8b28aec5
--- /dev/null
+++ b/pkg/obsolete/imcombine/icgrow.gx
@@ -0,0 +1,123 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+include	<pmset.h>
+include	"../icombine.h"
+
+# IC_GROW --  Mark neigbors of rejected pixels.
+# The rejected pixels (original plus grown) are saved in pixel masks.
+
+procedure ic_grow (out, v, m, n, buf, nimages, npts, pms)
+
+pointer	out			# Output image pointer
+long	v[ARB]			# Output vector
+pointer	m[ARB]			# Image id pointers
+int	n[ARB]			# Number of good pixels
+int	buf[npts,nimages]	# Working buffer
+int	nimages			# Number of images
+int	npts			# Number of output points per line
+pointer	pms			# Pointer to array of pixel masks
+
+int	i, j, k, l, line, nl, rop, igrow, nset, or()
+real	grow2, i2
+pointer	mp, pm, pm_newmask()
+errchk	pm_newmask()
+
+include	"../icombine.com"
+
+begin
+	if (dflag == D_NONE || grow == 0.)
+	    return
+
+	line = v[2]
+	nl = IM_LEN(out,2)
+	rop = or (PIX_SRC, PIX_DST)
+
+	igrow = grow
+	grow2 = grow**2
+	do l = 0, igrow {
+	    i2 = grow2 - l * l
+	    call aclri (buf, npts*nimages)
+	    nset = 0
+	    do j = 1, npts {
+		do k = n[j]+1, nimages {
+		    mp = Memi[m[k]+j-1]
+		    if (mp == 0)
+			next
+		    do i = 0, igrow {
+			if (i**2 > i2)
+			    next
+			if (j > i)
+			    buf[j-i,mp] = 1
+			if (j+i <= npts)
+			    buf[j+i,mp] = 1
+			nset = nset + 1
+		    }
+		}
+	    }
+	    if (nset == 0)
+		return
+
+	    if (pms == NULL) {
+		call malloc (pms, nimages, TY_POINTER)
+		do i = 1, nimages
+		    Memi[pms+i-1] = pm_newmask (out, 1)
+	    }
+	    do i = 1, nimages {
+		pm = Memi[pms+i-1]
+		v[2] = line - l
+		if (v[2] > 0)
+		    call pmplpi (pm, v, buf[1,i], 1, npts, rop)
+		v[2] = line + l
+		if (v[2] <= nl)
+		    call pmplpi (pm, v, buf[1,i], 1, npts, rop)
+	    }
+	}
+	v[2] = line
+end
+
+
+$for (sird)
+# IC_GROW$T --  Reject pixels.
+
+procedure ic_grow$t (v, d, m, n, buf, nimages, npts, pms)
+
+long	v[ARB]			# Output vector
+pointer	d[ARB]			# Data pointers
+pointer	m[ARB]			# Image id pointers
+int	n[ARB]			# Number of good pixels
+int	buf[ARB]		# Buffer of npts
+int	nimages			# Number of images
+int	npts			# Number of output points per line
+pointer	pms			# Pointer to array of pixel masks
+
+int	i, j, k
+pointer	pm
+bool	pl_linenotempty()
+
+include	"../icombine.com"
+
+begin
+	do k = 1, nimages {
+	    pm = Memi[pms+k-1]
+	    if (!pl_linenotempty (pm, v))
+		next
+	    call pmglpi (pm, v, buf, 1, npts, PIX_SRC)
+	    do i = 1, npts {
+		if (buf[i] == 0)
+		    next
+		for (j = 1; j <= n[i]; j = j + 1) {
+		    if (Memi[m[j]+i-1] == k) {
+			if (j < n[i]) {
+			    Mem$t[d[j]+i-1] = Mem$t[d[n[i]]+i-1]
+			    Memi[m[j]+i-1] = Memi[m[n[i]]+i-1]
+			}
+			n[i] = n[i] - 1
+			dflag = D_MIX
+			break
+		    }
+		}
+	    }
+	}
+end
+$endfor