--- ray/src/px/ra_ps.c	1992/08/14 13:27:52	2.4
+++ ray/src/px/ra_ps.c	1993/11/18 09:55:17	2.7
@@ -9,6 +9,9 @@ static char SCCSid[] = "$SunId$ LBL";
  */
 
 #include  <stdio.h>
+#ifdef MSDOS
+#include  <fcntl.h>
+#endif
 #include  "color.h"
 #include  "random.h"
 
@@ -21,7 +24,7 @@ char  code[] =			/* 6-bit code lookup table */
 	"0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ@+";
 
 int  wrongformat = 0;			/* input in wrong format? */
-double  pixaspect = 1.0;		/* pixel aspect ratio */
+double	pixaspect = 1.0;		/* pixel aspect ratio */
 
 int  bradj = 0;				/* brightness adjustment */
 int  ncopies = 1;			/* number of copies */
@@ -30,7 +33,9 @@ char  *progname;
 
 int  xmax, ymax;
 
+extern char  *malloc();
 
+
 headline(s)		/* check header line */
 char  *s;
 {
@@ -77,10 +82,13 @@ char  *argv[];
 		exit(1);
 	}
 	if (i == argc-2 && freopen(argv[i+1], "w", stdout) == NULL) {
-		fprintf(stderr, "can't open output \"%s\"\n",
+		fprintf(stderr, "%s: can't open output \"%s\"\n",
 				progname, argv[i+1]);
 		exit(1);
 	}
+#ifdef MSDOS
+	setmode(fileno(stdin), O_BINARY);
+#endif
 				/* get our header */
 	getheader(stdin, headline, NULL);
 	if (wrongformat || fgetresolu(&xmax, &ymax, stdin) < 0)
@@ -113,8 +121,8 @@ PSheader(name)			/* print PostScript header */
 char  *name;
 {
 	int  landscape = 0;
-	double  pwidth, pheight;
-	double  iwidth, iheight;
+	double	pwidth, pheight;
+	double	iwidth, iheight;
 
 	printf("%%!\n");
 	printf("%%%%Title: %s\n", name);
@@ -125,7 +133,6 @@ char  *name;
 	else
 		printf("%%%%Portrait\n");
 	printf("%%%%EndComments\n");
-	printf("gsave\n");
 	printf("64 dict begin\n");
 					/* define image reader */
 	PSprocdef("read6bit");
@@ -172,11 +179,13 @@ char  *nam;
 {
 	short  itab[128];
 	register int  i;
-	
-	for (i = 0; i < 128; i++)
+				/* assign code values */
+	for (i = 0; i < 128; i++)	/* clear */
 		itab[i] = -1;
-	for (i = 0; i < 64; i++)
+	for (i = 1; i < 63; i++)	/* assign greys */
 		itab[code[i]] = i<<2 | 2;
+	itab[code[0]] = 0;		/* black is black */
+	itab[code[63]] = 255;		/* and white is white */
 	printf("/decode [");
 	for (i = 0; i < 128; i++) {
 		if (!(i & 0xf))
@@ -208,7 +217,7 @@ ra2ps()				/* convert Radiance scanlines to 6-bit */
 	for (y = ymax-1; y >= 0; y--) {
 		if (freadcolrs(scanin, xmax, stdin) < 0)
 			quiterr("error reading Radiance picture");
-		normcolrs(scanin, xmax, bradj);	/* normalize */
+		normcolrs(scanin, xmax, bradj); /* normalize */
 		for (x = 0; x < xmax; x++) {
 			if (!(col++ & 0x3f))
 				putchar('\n');