From: Sam Leffler <sam@ucbvax.Berkeley.EDU>
Date: Tue, 28 Jun 1983 05:23:03 +0000 (-0800)
Subject: date and time created 83/06/27 14:23:03 by sam
X-Git-Tag: BSD-4_2-Snapshot-Development~1254
X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/commitdiff_plain/3b2a4433e9560b4c354b6111c0635cf7557eca2e

date and time created 83/06/27 14:23:03 by sam

SCCS-vsn: lib/libplot/t450/open.c 4.1
---

diff --git a/usr/src/lib/libplot/t450/open.c b/usr/src/lib/libplot/t450/open.c
new file mode 100644
index 0000000000..d6d555301b
--- /dev/null
+++ b/usr/src/lib/libplot/t450/open.c
@@ -0,0 +1,54 @@
+#ifndef lint
+static char sccsid[] = "@(#)open.c	4.1 (Berkeley) %G%";
+#endif
+
+#
+#include <sgtty.h>
+/* gsi plotting output routines */
+# define DOWN 012
+# define UP 013
+# define LEFT 010
+# define RIGHT 040
+# define BEL 007
+# define ACK 006
+#define PLOTIN 063
+#define PLOTOUT 064
+# define CR 015
+# define FF 014
+# define VERTRESP 48
+# define HORZRESP 60.
+# define HORZRES 6.
+# define VERTRES 8.
+/* down is line feed, up is reverse oyne feed,
+   left is bwckspace, right is space.  48 points per inch
+   vertically, 60 horizontally */
+
+int xnow, ynow;
+int OUTF;
+struct sgttyb ITTY, PTTY;
+float HEIGHT = 6.0, WIDTH = 6.0, OFFSET = 0.0;
+int xscale, xoffset, yscale;
+float botx = 0., boty = 0., obotx = 0., oboty = 0.;
+float scalex = 1., scaley = 1.;
+
+openpl ()
+{
+	int reset();
+		xnow = ynow = 0;
+		OUTF = 1;
+		printf("\r");
+		gtty(OUTF, &ITTY);
+		signal (2, reset);
+		PTTY = ITTY;
+		PTTY.sg_flags &= ~CRMOD;	/* don't map lf */
+		stty(OUTF,&PTTY);
+		/* initialize constants */
+		xscale  = 4096./(HORZRESP * WIDTH);
+		yscale = 4096 /(VERTRESP * HEIGHT);
+		xoffset = OFFSET * HORZRESP;
+		return;
+}
+
+openvt(){
+openpl();
+}