date and time created 83/11/10 11:00:17 by ralph

SCCS-vsn: lib/libplot/bitgraph/bg.h 4.1

diff --git a/usr/src/lib/libplot/bitgraph/bg.h b/usr/src/lib/libplot/bitgraph/bg.h
new file mode 100644 (file)
index 0000000..0f1d1c2
--- /dev/null
+++ b/usr/src/lib/libplot/bitgraph/bg.h
@@ -0,0 +1,22 @@
+/*     bg.h    4.1     83/11/10        */
+/*
+ * Displays plot files on a bbn bitgraph terminal.
+ */
+
+#include <stdio.h>
+#include <math.h>
+
+#define ESC    033
+#define PI     3.141592659
+
+/* The graphics address range is 0..XMAX, 0..YMAX. */
+#define XMAX   768
+#define YMAX   1024
+#define scaleX(xi)     ((int) ((xi - lowx)*scale +0.5))
+#define scaleY(yi)     ((int) ((yi - lowy)*scale +0.5))
+
+extern int currentx;
+extern int currenty;
+extern double lowx;
+extern double lowy;
+extern double scale;