1 files changed, 26 insertions, 0 deletions
diff --git a/sys/imio/imgs2.gx b/sys/imio/imgs2.gx
new file mode 100644
index 00000000..d62c44db
--- /dev/null
+++ b/sys/imio/imgs2.gx
@@ -0,0 +1,26 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<imhdr.h>
+
+# IMGS2? -- Get a section from an apparently two dimensional image.
+
+pointer procedure imgs2$t (im, x1, x2, y1, y2)
+
+pointer	im
+int	x1, x2, y1, y2
+long	vs[2], ve[2]
+pointer	imggs$t(), imgl2$t()
+
+begin
+	if (x1 == 1 && x2 == IM_LEN(im,1) && y1 == y2)
+	    return (imgl2$t (im, y1))
+	else {
+	    vs[1] = x1
+	    ve[1] = x2
+
+	    vs[2] = y1
+	    ve[2] = y2
+
+	    return (imggs$t (im, vs, ve, 2))
+	}
+end