1 files changed, 61 insertions, 0 deletions
diff --git a/unix/gdev/sgidev/sgi2uptx.c b/unix/gdev/sgidev/sgi2uptx.c
new file mode 100644
index 00000000..6c44f334
--- /dev/null
+++ b/unix/gdev/sgidev/sgi2uptx.c
@@ -0,0 +1,61 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+
+#define	NBITS_CHAR	8	/* number of bits in a char */
+#define	MASK	64	/* printronix raster flag */
+#define	START_LINE	"\005"		/* start of raster line control code */
+#define	END_LINE	"\012"		/* end   of raster line control code */
+#define	START_PAGE	"\014"		/* form feed */
+
+/* PRINTRONIX translator from the SGI bitmap file to the STDOUT */
+
+int
+main (int argc, char *argv[])
+{
+
+   FILE	*fpi;
+   char	*buffer;
+   int	n, len_buf, nlines;
+   int index; /* goes through all 8 files */
+   int	px, py;
+
+   px = atoi (argv[1]);
+   py = atoi (argv[2]);
+   len_buf = px/NBITS_CHAR;
+   buffer = (char *) malloc (len_buf);
+
+   for (index=3; index<argc; index++) {
+
+      if (index != 3) fwrite (START_PAGE, 1, 1, stdout);
+      fpi = fopen (argv[index], "r");
+      nlines = py;
+   
+      while (fread (buffer, len_buf, 1, fpi)) {
+
+         /* Keep track of number of lines left on the page. */
+         if (!(nlines--)) {
+	    nlines += py;
+            fwrite (START_PAGE, 1, 1, stdout);
+	 }
+
+         /* Turn on the raster flag on every data byte */
+         for (n = 0; n < len_buf; n++) buffer[n] |= MASK;
+
+         /* Now copy out this line and bracket it with the control codes. */
+         fwrite (START_LINE, 1, 1, stdout);
+         fwrite (buffer, len_buf, 1, stdout);
+         fwrite (END_LINE, 1, 1, stdout);
+
+      }
+
+      fclose (fpi);
+
+   }
+
+   return (0);
+}