1 files changed, 79 insertions, 0 deletions
diff --git a/usr/src/lib/libplot/t300s/common/line.c b/usr/src/lib/libplot/t300s/common/line.c
new file mode 100644
index 0000000000..4c91e76fb8
--- /dev/null
+++ b/usr/src/lib/libplot/t300s/common/line.c
@@ -0,0 +1,79 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.2	*/
+/*LINTLIBRARY*/
+
+#include <stdlib.h>
+#include <math.h>
+#include "con.h"
+
+int ynow = 0;
+
+static void
+iline(int cx0, int cy0, int cx1, int cy1) {
+	int maxp, tt;
+	char chx, chy, command;
+	float xd, yd;
+	movep(cx0, cy0);
+	maxp = (int)(sqrt(dist2(cx0, cy0, cx1, cy1)) / 2.);
+	xd = cx1 - cx0;
+	yd = cy1 - cy0;
+	command = COM|((xd < 0) << 1)|(yd < 0);
+	if (maxp == 0) {
+		xd = 0;
+		yd = 0;
+	} else {
+		xd /= maxp;
+		yd /= maxp;
+	}
+	inplot();
+	spew(command);
+	for (tt = 0; tt <= maxp; tt++) {
+		chx = (char)(cx0 + xd * tt - xnow);
+		xnow += chx;
+		chx = abs(chx);
+		chy = (char)(cy0 + yd * tt - ynow);
+		ynow += chy;
+		chy = abs(chy);
+		spew(ADDR|chx<<3|chy);
+	}
+	outplot();
+}
+
+void
+line(short x0, short y0, short x1, short y1) {
+	iline(xconv(xsc(x0)), yconv(ysc(y0)), xconv(xsc(x1)), yconv(ysc(y1)));
+}
+
+void
+cont(short x0, short y0) {
+	iline(xnow, ynow, xconv(xsc(x0)), yconv(ysc(y0)));
+}