1 files changed, 46 insertions, 0 deletions
diff --git a/usr/src/ucbcmd/plot/libplot/aed/space.c b/usr/src/ucbcmd/plot/libplot/aed/space.c
new file mode 100644
index 0000000000..1bbc37b7e5
--- /dev/null
+++ b/usr/src/ucbcmd/plot/libplot/aed/space.c
@@ -0,0 +1,46 @@
+/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
+/*	  All Rights Reserved  	*/
+
+
+#ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.1	*/
+
+/*
+ * Copyright (c) 1983, 1984 1985, 1986, 1987, 1988, Sun Microsystems, Inc.
+ * All Rights Reserved.
+ */
+
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ */
+
+
+#include "aed.h"
+
+/*---------------------------------------------------------
+ *	Space sets up the world-to-screen transformation so
+ *	that the rectangular area described by (x0, y0) and
+ *	(x1, y1) will all be on-screen.
+ *
+ *	Results:	None.
+ *
+ *	Side Effects:
+ *	Our own variables scale, xbot, and ybot are changed.
+ *---------------------------------------------------------
+ */
+space(x0, y0, x1, y1)
+int x0, y0, x1, y1;
+{
+    int xscale, yscale, xsize, ysize;
+    xscale = (GRXMAX<<12)/(x1-x0);
+    yscale = (GRYMAX<<12)/(y1-y0);
+    if (xscale > yscale) scale = yscale;
+    else scale = xscale;
+    scale = (scale*9)/10 - 1;
+    if (scale<1) scale = 1;
+    xsize = (2048*GRXMAX)/scale + 1;
+    xbot = (x1+x0)/2 - xsize;
+    ysize = (2048*GRYMAX)/scale + 1;
+    ybot = (y1+y0)/2 - ysize;
+}