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usr.lib/libplot/gigi/open.c

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+/*
+ * 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
+
+/*
+ * Displays plot files on a gigi "graphics" terminal.
+ */
+
+#include <signal.h>
+#include "gigi.h"
+
+int currentx = 0;
+int currenty = 0;
+double lowx = 0.0;
+double lowy = 0.0;
+double scalex = 1.0;
+double scaley = 1.0;
+
+openpl()
+{
+	int closepl();
+
+	/* catch interupts */
+	signal(SIGINT, closepl);
+	currentx = 0;
+	currenty = 0;
+	/* enter grapics mode */
+	putchar(ESC); putchar('P'); putchar('p');
+
+	/* set some parameters */
+	printf("S(I0 T0 [0,0])");
+
+	space(0, 0, XMAX, YMAX);
+}