]>
git.ipfire.org Git - thirdparty/cups.git/blob - filter/texttops.c
2 * "$Id: texttops.c 7720 2008-07-11 22:46:21Z mike $"
4 * Text to PostScript filter for the Common UNIX Printing System (CUPS).
6 * Copyright 2007-2008 by Apple Inc.
7 * Copyright 1993-2007 by Easy Software Products.
9 * These coded instructions, statements, and computer programs are the
10 * property of Apple Inc. and are protected by Federal copyright
11 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
12 * which should have been included with this file. If this file is
13 * file is missing or damaged, see the license at "http://www.cups.org/".
15 * This file is subject to the Apple OS-Developed Software exception.
19 * main() - Main entry for text to PostScript filter.
20 * WriteEpilogue() - Write the PostScript file epilogue.
21 * WritePage() - Write a page of text.
22 * WriteProlog() - Write the PostScript file prolog with options.
23 * write_line() - Write a row of text.
24 * write_string() - Write a string of text.
28 * Include necessary headers...
31 #include "textcommon.h"
32 #include <cups/i18n.h>
39 char *Glyphs
[65536]; /* PostScript glyphs for Unicode */
40 int NumFonts
; /* Number of fonts to use */
41 char *Fonts
[256][4]; /* Fonts to use */
42 unsigned short Chars
[65536]; /* 0xffcc (ff = font, cc = char) */
43 unsigned short Codes
[65536]; /* Unicode glyph mapping to fonts */
44 int Widths
[256]; /* Widths of each font */
45 int Directions
[256];/* Text directions for each font */
52 static void write_line(int row
, lchar_t
*line
);
53 static void write_string(int col
, int row
, int len
, lchar_t
*s
);
54 static void write_text(const char *s
);
58 * 'main()' - Main entry for text to PostScript filter.
61 int /* O - Exit status */
62 main(int argc
, /* I - Number of command-line arguments */
63 char *argv
[]) /* I - Command-line arguments */
65 return (TextMain("texttops", argc
, argv
));
70 * 'WriteEpilogue()' - Write the PostScript file epilogue.
77 printf("%%%%Pages: %d\n", NumPages
);
86 * 'WritePage()' - Write a page of text.
92 int line
; /* Current line */
96 printf("%%%%Page: %d %d\n", NumPages
, NumPages
);
101 printf("%d H\n", NumPages
);
103 for (line
= 0; line
< SizeLines
; line
++)
104 write_line(line
, Page
[line
]);
109 memset(Page
[0], 0, sizeof(lchar_t
) * SizeColumns
* SizeLines
);
114 * 'WriteProlog()' - Write the PostScript file prolog with options.
118 WriteProlog(const char *title
, /* I - Title of job */
119 const char *user
, /* I - Username */
120 const char *classification
, /* I - Classification */
121 const char *label
, /* I - Page label */
122 ppd_file_t
*ppd
) /* I - PPD file info */
124 int i
, j
, k
; /* Looping vars */
125 char *charset
; /* Character set string */
126 char filename
[1024]; /* Glyph filenames */
127 FILE *fp
; /* Glyph files */
128 const char *datadir
; /* CUPS_DATADIR environment variable */
129 char line
[1024], /* Line from file */
130 *lineptr
, /* Pointer into line */
131 *valptr
; /* Pointer to value in line */
132 int ch
, unicode
; /* Character values */
133 int start
, end
; /* Start and end values for range */
134 char glyph
[64]; /* Glyph name */
135 time_t curtime
; /* Current time */
136 struct tm
*curtm
; /* Current date */
137 char curdate
[255]; /* Current date (text format) */
138 int num_fonts
; /* Number of unique fonts */
139 char *fonts
[1024]; /* Unique fonts */
140 static char *names
[] = /* Font names */
149 * Get the data directory...
152 if ((datadir
= getenv("CUPS_DATADIR")) == NULL
)
153 datadir
= CUPS_DATADIR
;
156 * Adjust margins as necessary...
159 if (classification
|| label
)
162 * Leave room for labels...
170 * Allocate memory for the page...
173 SizeColumns
= (PageRight
- PageLeft
) / 72.0 * CharsPerInch
;
174 SizeLines
= (PageTop
- PageBottom
) / 72.0 * LinesPerInch
;
176 if (SizeColumns
<= 0 || SizeColumns
> 32767 ||
177 SizeLines
<= 0 || SizeLines
> 32767)
179 _cupsLangPrintf(stderr
, _("ERROR: Unable to print %dx%d text page!\n"),
180 SizeColumns
, SizeLines
);
184 Page
= calloc(sizeof(lchar_t
*), SizeLines
);
185 Page
[0] = calloc(sizeof(lchar_t
), SizeColumns
* SizeLines
);
186 for (i
= 1; i
< SizeLines
; i
++)
187 Page
[i
] = Page
[0] + i
* SizeColumns
;
191 ColumnGutter
= CharsPerInch
/ 2;
192 ColumnWidth
= (SizeColumns
- ColumnGutter
* (PageColumns
- 1)) /
196 ColumnWidth
= SizeColumns
;
198 if (ColumnWidth
<= 0)
200 _cupsLangPrintf(stderr
, _("ERROR: Unable to print %d text columns!\n"),
206 * Output the DSC header...
209 curtime
= time(NULL
);
210 curtm
= localtime(&curtime
);
211 strftime(curdate
, sizeof(curdate
), "%c", curtm
);
213 puts("%!PS-Adobe-3.0");
214 printf("%%%%BoundingBox: 0 0 %.0f %.0f\n", PageWidth
, PageLength
);
215 printf("%%cupsRotation: %d\n", (Orientation
& 3) * 90);
216 puts("%%Creator: texttops/" CUPS_SVERSION
);
217 printf("%%%%CreationDate: %s\n", curdate
);
218 WriteTextComment("Title", title
);
219 WriteTextComment("For", user
);
220 puts("%%Pages: (atend)");
223 * Initialize globals...
227 memset(Fonts
, 0, sizeof(Fonts
));
228 memset(Glyphs
, 0, sizeof(Glyphs
));
229 memset(Chars
, 0, sizeof(Chars
));
230 memset(Codes
, 0, sizeof(Codes
));
233 * Load the PostScript glyph names and the corresponding character
237 snprintf(filename
, sizeof(filename
), "%s/data/psglyphs", datadir
);
239 if ((fp
= fopen(filename
, "r")) != NULL
)
241 while (fscanf(fp
, "%x%63s", &unicode
, glyph
) == 2)
242 Glyphs
[unicode
] = strdup(glyph
);
248 fprintf(stderr
, _("ERROR: Unable to open \"%s\" - %s\n"), filename
,
254 * Get the output character set...
257 charset
= getenv("CHARSET");
258 if (charset
!= NULL
&& strcmp(charset
, "us-ascii") != 0)
260 snprintf(filename
, sizeof(filename
), "%s/charsets/%s", datadir
, charset
);
262 if ((fp
= fopen(filename
, "r")) == NULL
)
265 * Can't open charset file!
268 fprintf(stderr
, _("ERROR: Unable to open %s: %s\n"), filename
,
274 * Opened charset file; now see if this is really a charset file...
277 if (fgets(line
, sizeof(line
), fp
) == NULL
)
280 * Bad/empty charset file!
284 fprintf(stderr
, _("ERROR: Bad charset file %s\n"), filename
);
288 if (strncmp(line
, "charset", 7) != 0)
291 * Bad format/not a charset file!
295 fprintf(stderr
, _("ERROR: Bad charset file %s\n"), filename
);
300 * See if this is an 8-bit or UTF-8 character set file...
303 line
[strlen(line
) - 1] = '\0'; /* Drop \n */
304 for (lineptr
= line
+ 7; isspace(*lineptr
& 255); lineptr
++); /* Skip whitespace */
306 if (strcmp(lineptr
, "utf8") == 0)
309 * UTF-8 (Unicode) text...
314 while (fgets(line
, sizeof(line
), fp
) != NULL
)
317 * Skip comment and blank lines...
320 if (line
[0] == '#' || line
[0] == '\n')
324 * Read the font descriptions that should look like:
326 * start end direction width normal [bold italic bold-italic]
331 start
= strtol(lineptr
, &lineptr
, 16);
332 end
= strtol(lineptr
, &lineptr
, 16);
334 while (isspace(*lineptr
& 255))
339 while (!isspace(*lineptr
& 255) && *lineptr
)
345 * Can't have a font without all required values...
348 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
355 if (strcmp(valptr
, "ltor") == 0)
356 Directions
[NumFonts
] = 1;
357 else if (strcmp(valptr
, "rtol") == 0)
358 Directions
[NumFonts
] = -1;
361 fprintf(stderr
, _("ERROR: Bad text direction %s\n"), valptr
);
367 * Got the direction, now get the width...
370 while (isspace(*lineptr
& 255))
375 while (!isspace(*lineptr
& 255) && *lineptr
)
381 * Can't have a font without all required values...
384 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
391 if (strcmp(valptr
, "single") == 0)
392 Widths
[NumFonts
] = 1;
393 else if (strcmp(valptr
, "double") == 0)
394 Widths
[NumFonts
] = 2;
397 fprintf(stderr
, _("ERROR: Bad text width %s\n"), valptr
);
406 for (i
= 0; *lineptr
&& i
< 4; i
++)
408 while (isspace(*lineptr
& 255))
413 while (!isspace(*lineptr
& 255) && *lineptr
)
419 if (lineptr
> valptr
)
420 Fonts
[NumFonts
][i
] = strdup(valptr
);
424 * Fill in remaining fonts as needed...
427 for (j
= i
; j
< 4; j
++)
428 Fonts
[NumFonts
][j
] = strdup(Fonts
[NumFonts
][0]);
431 * Define the character mappings...
434 for (i
= start
, j
= NumFonts
* 256; i
<= end
; i
++, j
++)
441 * Move to the next font, stopping if needed...
453 fprintf(stderr
, _("ERROR: Bad charset type %s\n"), lineptr
);
461 * Standard ASCII output just uses Courier, Courier-Bold, and
462 * possibly Courier-Oblique.
467 Fonts
[0][ATTR_NORMAL
] = strdup("Courier");
468 Fonts
[0][ATTR_BOLD
] = strdup("Courier-Bold");
469 Fonts
[0][ATTR_ITALIC
] = strdup("Courier-Oblique");
470 Fonts
[0][ATTR_BOLDITALIC
] = strdup("Courier-BoldOblique");
476 * Define US-ASCII characters...
479 for (i
= 32; i
< 127; i
++)
487 * Generate a list of unique fonts to use...
490 for (i
= 0, num_fonts
= 0; i
< NumFonts
; i
++)
491 for (j
= PrettyPrint
? 2 : 1; j
>= 0; j
--)
493 for (k
= 0; k
< num_fonts
; k
++)
494 if (strcmp(Fonts
[i
][j
], fonts
[k
]) == 0)
503 fonts
[num_fonts
] = Fonts
[i
][j
];
509 * List the fonts that will be used...
512 for (i
= 0; i
< num_fonts
; i
++)
514 printf("%%%%DocumentNeededResources: font %s\n", fonts
[i
]);
516 printf("%%%%+ font %s\n", fonts
[i
]);
518 puts("%%DocumentSuppliedResources: procset texttops 1.1 0");
520 for (i
= 0; i
< num_fonts
; i
++)
524 fprintf(stderr
, "DEBUG: ppd->num_fonts = %d\n", ppd
->num_fonts
);
526 for (j
= 0; j
< ppd
->num_fonts
; j
++)
528 fprintf(stderr
, "DEBUG: ppd->fonts[%d] = %s\n", j
, ppd
->fonts
[j
]);
530 if (strcmp(fonts
[i
], ppd
->fonts
[j
]) == 0)
537 if ((ppd
!= NULL
&& j
>= ppd
->num_fonts
) ||
538 strncmp(fonts
[i
], "Courier", 7) == 0 ||
539 strcmp(fonts
[i
], "Symbol") == 0)
542 * Need to embed this font...
545 printf("%%%%+ font %s\n", fonts
[i
]);
549 puts("%%EndComments");
551 puts("%%BeginProlog");
554 * Download any missing fonts...
557 for (i
= 0; i
< num_fonts
; i
++)
561 for (j
= 0; j
< ppd
->num_fonts
; j
++)
562 if (strcmp(fonts
[i
], ppd
->fonts
[j
]) == 0)
568 if ((ppd
!= NULL
&& j
>= ppd
->num_fonts
) ||
569 strncmp(fonts
[i
], "Courier", 7) == 0 ||
570 strcmp(fonts
[i
], "Symbol") == 0)
573 * Need to embed this font...
576 printf("%%%%BeginResource: font %s\n", fonts
[i
]);
578 /**** MRS: Need to use CUPS_FONTPATH env var! ****/
579 /**** Also look for Fontmap file or name.pfa, name.pfb... ****/
580 snprintf(filename
, sizeof(filename
), "%s/fonts/%s", datadir
, fonts
[i
]);
581 if ((fp
= fopen(filename
, "rb")) != NULL
)
583 while ((j
= fread(line
, 1, sizeof(line
), fp
)) > 0)
584 fwrite(line
, 1, j
, stdout
);
589 puts("\n%%EndResource");
594 * Write the encoding array(s)...
597 puts("% character encoding(s)");
599 for (i
= 0; i
< NumFonts
; i
++)
601 printf("/cupsEncoding%02x [\n", i
);
603 for (ch
= 0; ch
< 256; ch
++)
605 if (Glyphs
[Codes
[i
* 256 + ch
]])
606 printf("/%s", Glyphs
[Codes
[i
* 256 + ch
]]);
607 else if (Codes
[i
* 256 + ch
] > 255)
608 printf("/uni%04X", Codes
[i
* 256 + ch
]);
620 * Create the fonts...
626 * Just reencode the named fonts...
629 puts("% Reencode fonts");
631 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
633 printf("/%s findfont\n", Fonts
[0][i
]);
634 puts("dup length 1 add dict begin\n"
635 " { 1 index /FID ne { def } { pop pop } ifelse } forall\n"
636 " /Encoding cupsEncoding00 def\n"
639 printf("/%s exch definefont pop\n", names
[i
]);
645 * Construct composite fonts... Start by reencoding the base fonts...
648 puts("% Reencode base fonts");
650 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
651 for (j
= 0; j
< NumFonts
; j
++)
653 printf("/%s findfont\n", Fonts
[j
][i
]);
654 printf("dup length 1 add dict begin\n"
655 " { 1 index /FID ne { def } { pop pop } ifelse } forall\n"
656 " /Encoding cupsEncoding%02x def\n"
659 printf("/%s%02x exch definefont /%s%02x exch def\n", names
[i
], j
,
664 * Then merge them into composite fonts...
667 puts("% Create composite fonts...");
669 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
671 puts("8 dict begin");
672 puts("/FontType 0 def/FontMatrix[1.0 0 0 1.0 0 0]def/FMapType 2 def/Encoding[");
673 for (j
= 0; j
< NumFonts
; j
++)
674 if (j
== (NumFonts
- 1))
676 else if ((j
& 15) == 15)
680 puts("]def/FDepVector[");
681 for (j
= 0; j
< NumFonts
; j
++)
682 if (j
== (NumFonts
- 1))
683 printf("%s%02x", names
[i
], j
);
684 else if ((j
& 3) == 3)
685 printf("%s%02x\n", names
[i
], j
);
687 printf("%s%02x ", names
[i
], j
);
688 puts("]def currentdict end");
689 printf("/%s exch definefont pop\n", names
[i
]);
694 * Output the texttops procset...
697 puts("%%BeginResource: procset texttops 1.1 0");
699 puts("% Define fonts");
701 printf("/FN /cupsNormal findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
702 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
703 printf("/FB /cupsBold findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
704 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
706 printf("/FI /cupsItalic findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
707 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
709 puts("% Common procedures");
711 puts("/N { FN setfont moveto } bind def");
712 puts("/B { FB setfont moveto } bind def");
713 printf("/U { gsave 0.5 setlinewidth 0 %.3f rmoveto "
714 "0 rlineto stroke grestore } bind def\n", -6.8 / LinesPerInch
);
720 puts("/S { 0.0 setgray show } bind def");
721 puts("/r { 0.5 0.0 0.0 setrgbcolor show } bind def");
722 puts("/g { 0.0 0.5 0.0 setrgbcolor show } bind def");
723 puts("/b { 0.0 0.0 0.5 setrgbcolor show } bind def");
727 puts("/S { 0.0 setgray show } bind def");
728 puts("/r { 0.2 setgray show } bind def");
729 puts("/g { 0.2 setgray show } bind def");
730 puts("/b { 0.2 setgray show } bind def");
733 puts("/I { FI setfont moveto } bind def");
736 puts("\t20 string cvs % convert page number to string");
740 * Convert a number to double-byte chars...
743 puts("\tdup length % get length");
744 puts("\tdup 2 mul string /P exch def % P = string twice as long");
745 puts("\t0 1 2 index 1 sub { % loop through each character in the page number");
746 puts("\t\tdup 3 index exch get % get character N from the page number");
747 puts("\t\texch 2 mul dup % compute offset in P");
748 puts("\t\tP exch 0 put % font 0");
749 puts("\t\t1 add P exch 2 index put % character");
750 puts("\t\tpop % discard character");
751 puts("\t} for % do for loop");
752 puts("\tpop pop % discard string and length");
753 puts("\tP % put string on stack");
767 puts("\t0.9 setgray");
771 puts("\tdup 2 mod 0 eq {");
772 printf("\t\t%.3f %.3f translate } {\n",
773 PageWidth
- PageRight
, PageTop
+ 72.0f
/ LinesPerInch
);
774 printf("\t\t%.3f %.3f translate } ifelse\n",
775 PageLeft
, PageTop
+ 72.0f
/ LinesPerInch
);
778 printf("\t%.3f %.3f translate\n",
779 PageLeft
, PageTop
+ 72.0f
/ LinesPerInch
);
781 printf("\t0 0 %.3f %.3f rectfill\n", PageRight
- PageLeft
,
782 144.0f
/ LinesPerInch
);
784 puts("\tFB setfont");
789 puts("\tdup 2 mod 0 eq {");
790 printf("\t\tT stringwidth pop neg %.3f add %.3f } {\n",
791 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
792 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
793 printf("\t\t%.3f %.3f } ifelse\n", 36.0f
/ LinesPerInch
,
794 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
797 printf("\t%.3f %.3f\n", 36.0f
/ LinesPerInch
,
798 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
800 puts("\tmoveto T show");
802 printf("\tD dup stringwidth pop neg 2 div %.3f add %.3f\n",
803 (PageRight
- PageLeft
) * 0.5,
804 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
805 puts("\tmoveto show");
809 puts("\tdup n exch 2 mod 0 eq {");
810 printf("\t\t%.3f %.3f } {\n", 36.0f
/ LinesPerInch
,
811 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
812 printf("\t\tdup stringwidth pop neg %.3f add %.3f } ifelse\n",
813 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
814 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
817 printf("\tn dup stringwidth pop neg %.3f add %.3f\n",
818 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
819 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
821 puts("\tmoveto show");
826 puts("/S { show } bind def");
828 puts("%%EndResource");
835 * 'write_line()' - Write a row of text.
839 write_line(int row
, /* I - Row number (0 to N) */
840 lchar_t
*line
) /* I - Line to print */
842 int i
; /* Looping var */
843 int col
; /* Current column */
844 int attr
; /* Current attribute */
845 int font
, /* Font to use */
846 lastfont
, /* Last font */
847 mono
; /* Monospaced? */
848 lchar_t
*start
; /* First character in sequence */
851 for (col
= 0; col
< SizeColumns
;)
853 while (col
< SizeColumns
&& (line
->ch
== ' ' || line
->ch
== 0))
859 if (col
>= SizeColumns
)
865 * All characters in a single font - assume monospaced...
871 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
877 write_string(col
- (line
- start
), row
, line
- start
, start
);
882 * Multiple fonts; break up based on the font...
887 lastfont
= Chars
[line
->ch
] / 256;
888 mono
= strncmp(Fonts
[lastfont
][0], "Courier", 7) == 0;
894 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
896 font
= Chars
[line
->ch
] / 256;
897 if (strncmp(Fonts
[font
][0], "Courier", 7) != 0 ||
906 if (Directions
[lastfont
] > 0)
907 write_string(col
- (line
- start
), row
, line
- start
, start
);
911 * Do right-to-left text...
914 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
916 if (Directions
[Chars
[line
->ch
] / 256] > 0 &&
917 !ispunct(line
->ch
& 255) && !isspace(line
->ch
& 255))
924 for (i
= 1; start
< line
; i
++, start
++)
925 if (!isspace(start
->ch
& 255))
926 write_string(col
- i
, row
, 1, start
);
934 * 'write_string()' - Write a string of text.
938 write_string(int col
, /* I - Start column */
939 int row
, /* I - Row */
940 int len
, /* I - Number of characters */
941 lchar_t
*s
) /* I - String to print */
943 int ch
; /* Current character */
944 float x
, y
; /* Position of text */
945 unsigned attr
; /* Character attributes */
949 * Position the text and set the font...
952 if (Duplex
&& (NumPages
& 1) == 0)
954 x
= PageWidth
- PageRight
;
963 x
+= (float)col
* 72.0f
/ (float)CharsPerInch
;
964 y
-= (float)(row
+ 0.843) * 72.0f
/ (float)LinesPerInch
;
968 if (attr
& ATTR_RAISED
)
969 y
+= 36.0 / (float)LinesPerInch
;
970 else if (attr
& ATTR_LOWERED
)
971 y
-= 36.0 / (float)LinesPerInch
;
983 if (attr
& ATTR_BOLD
)
985 else if (attr
& ATTR_ITALIC
)
990 if (attr
& ATTR_UNDERLINE
)
991 printf(" %.3f U", (float)len
* 72.0 / (float)CharsPerInch
);
996 * Write a hex string...
1003 printf("%04x", Chars
[s
->ch
]);
1014 * Write a quoted string...
1023 if (ch
< 32 || ch
> 126)
1026 * Quote 8-bit and control characters...
1029 printf("\\%03o", ch
);
1034 * Quote the parenthesis and backslash as needed...
1037 if (ch
== '(' || ch
== ')' || ch
== '\\')
1052 if (attr
& ATTR_RED
)
1054 else if (attr
& ATTR_GREEN
)
1056 else if (attr
& ATTR_BLUE
)
1067 * 'write_text()' - Write a text string, quoting/encoding as needed.
1071 write_text(const char *s
) /* I - String to write */
1073 int ch
; /* Actual character value (UTF8) */
1074 const unsigned char *utf8
; /* UTF8 text */
1085 utf8
= (const unsigned char *)s
;
1091 else if ((*utf8
& 0xe0) == 0xc0)
1094 * Two byte character...
1097 ch
= ((utf8
[0] & 0x1f) << 6) | (utf8
[1] & 0x3f);
1103 * Three byte character...
1106 ch
= ((((utf8
[0] & 0x1f) << 6) | (utf8
[1] & 0x3f)) << 6) |
1111 printf("%04x", Chars
[ch
]);
1119 * Standard 8-bit encoding...
1126 if (*s
< 32 || *s
> 126)
1127 printf("\\%03o", *s
);
1130 if (*s
== '(' || *s
== ')' || *s
== '\\')
1145 * End of "$Id: texttops.c 7720 2008-07-11 22:46:21Z mike $".