Init

usr.lib/libplot/hp2648/open.c

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+#ifndef lint
+static char sccsid[] = "@(#)open.c 1.1 94/10/31 SMI"; /* from UCB 5.1 5/7/85 */
+#endif not lint
+
+#include <sgtty.h>
+#include "hp2648.h"
+
+int shakehands;
+int currentx;
+int currenty;
+int buffcount;
+int fildes;
+float lowx;
+float lowy;
+float scalex;
+float scaley;
+struct sgttyb sarg;
+
+openpl()
+{
+	if ( isatty(fileno( stdout )) ) {
+		shakehands = TRUE;
+		fildes = open(TERMINAL, 0);
+		gtty(fildes, &sarg);
+		sarg.sg_flags = sarg.sg_flags | RAW;
+		stty(fildes, &sarg);
+		sarg.sg_flags = sarg.sg_flags & ~RAW;
+	}
+	else {
+		shakehands = FALSE;
+	}
+	buffcount = 0;
+	currentx = 0;
+	currenty = 0;
+	buffready(8);
+	putchar(ESC);
+	putchar(GRAPHIC);
+	putchar(DISPLAY);
+	putchar('c');
+	putchar(ESC);
+	putchar(GRAPHIC);
+	putchar(PLOT);
+	putchar(BINARY);
+	space(0,0,720,360);
+}