]>
git.ipfire.org Git - thirdparty/cups.git/blob - filter/texttops.c
2 * "$Id: texttops.c 6649 2007-07-11 21:46:42Z mike $"
4 * Text to PostScript filter for the Common UNIX Printing System (CUPS).
6 * Copyright 2007 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 Page
= calloc(sizeof(lchar_t
*), SizeLines
);
177 Page
[0] = calloc(sizeof(lchar_t
), SizeColumns
* SizeLines
);
178 for (i
= 1; i
< SizeLines
; i
++)
179 Page
[i
] = Page
[0] + i
* SizeColumns
;
183 ColumnGutter
= CharsPerInch
/ 2;
184 ColumnWidth
= (SizeColumns
- ColumnGutter
* (PageColumns
- 1)) /
188 ColumnWidth
= SizeColumns
;
191 * Output the DSC header...
194 curtime
= time(NULL
);
195 curtm
= localtime(&curtime
);
196 strftime(curdate
, sizeof(curdate
), "%c", curtm
);
198 puts("%!PS-Adobe-3.0");
199 printf("%%%%BoundingBox: 0 0 %.0f %.0f\n", PageWidth
, PageLength
);
200 printf("%%cupsRotation: %d\n", (Orientation
& 3) * 90);
201 puts("%%Creator: texttops/" CUPS_SVERSION
);
202 printf("%%%%CreationDate: %s\n", curdate
);
203 WriteTextComment("Title", title
);
204 WriteTextComment("For", user
);
205 puts("%%Pages: (atend)");
208 * Initialize globals...
212 memset(Fonts
, 0, sizeof(Fonts
));
213 memset(Glyphs
, 0, sizeof(Glyphs
));
214 memset(Chars
, 0, sizeof(Chars
));
215 memset(Codes
, 0, sizeof(Codes
));
218 * Load the PostScript glyph names and the corresponding character
222 snprintf(filename
, sizeof(filename
), "%s/data/psglyphs", datadir
);
224 if ((fp
= fopen(filename
, "r")) != NULL
)
226 while (fscanf(fp
, "%x%63s", &unicode
, glyph
) == 2)
227 Glyphs
[unicode
] = strdup(glyph
);
233 fprintf(stderr
, _("ERROR: Unable to open \"%s\" - %s\n"), filename
,
239 * Get the output character set...
242 charset
= getenv("CHARSET");
243 if (charset
!= NULL
&& strcmp(charset
, "us-ascii") != 0)
245 snprintf(filename
, sizeof(filename
), "%s/charsets/%s", datadir
, charset
);
247 if ((fp
= fopen(filename
, "r")) == NULL
)
250 * Can't open charset file!
253 fprintf(stderr
, _("ERROR: Unable to open %s: %s\n"), filename
,
259 * Opened charset file; now see if this is really a charset file...
262 if (fgets(line
, sizeof(line
), fp
) == NULL
)
265 * Bad/empty charset file!
269 fprintf(stderr
, _("ERROR: Bad charset file %s\n"), filename
);
273 if (strncmp(line
, "charset", 7) != 0)
276 * Bad format/not a charset file!
280 fprintf(stderr
, _("ERROR: Bad charset file %s\n"), filename
);
285 * See if this is an 8-bit or UTF-8 character set file...
288 line
[strlen(line
) - 1] = '\0'; /* Drop \n */
289 for (lineptr
= line
+ 7; isspace(*lineptr
& 255); lineptr
++); /* Skip whitespace */
291 if (strcmp(lineptr
, "8bit") == 0)
301 * Read the font description(s)...
304 while (fgets(line
, sizeof(line
), fp
) != NULL
)
307 * Skip comment and blank lines...
310 if (line
[0] == '#' || line
[0] == '\n')
314 * Read the font descriptions that should look like:
316 * first last direction width normal [bold italic bold-italic]
321 start
= strtol(lineptr
, &lineptr
, 16);
322 end
= strtol(lineptr
, &lineptr
, 16);
324 while (isspace(*lineptr
& 255))
328 break; /* Must be a font mapping */
332 while (!isspace(*lineptr
& 255) && *lineptr
)
338 * Can't have a font without all required values...
341 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
348 if (strcmp(valptr
, "ltor") == 0)
349 Directions
[NumFonts
] = 1;
350 else if (strcmp(valptr
, "rtol") == 0)
351 Directions
[NumFonts
] = -1;
354 fprintf(stderr
, _("ERROR: Bad text direction %s\n"), valptr
);
360 * Got the direction, now get the width...
363 while (isspace(*lineptr
& 255))
368 while (!isspace(*lineptr
& 255) && *lineptr
)
374 * Can't have a font without all required values...
377 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
384 if (strcmp(valptr
, "single") == 0)
385 Widths
[NumFonts
] = 1;
386 else if (strcmp(valptr
, "double") == 0)
387 Widths
[NumFonts
] = 2;
390 fprintf(stderr
, _("ERROR: Bad text width %s\n"), valptr
);
399 for (i
= 0; *lineptr
&& i
< 4; i
++)
401 while (isspace(*lineptr
& 255))
406 while (!isspace(*lineptr
& 255) && *lineptr
)
412 if (lineptr
> valptr
)
413 Fonts
[NumFonts
][i
] = strdup(valptr
);
417 * Fill in remaining fonts as needed...
420 for (j
= i
; j
< 4; j
++)
421 Fonts
[NumFonts
][j
] = strdup(Fonts
[NumFonts
][0]);
424 * Define the character mappings...
427 for (i
= start
, j
= NumFonts
* 256; i
<= end
; i
++, j
++)
434 * Read encoding lines...
440 * Skip comment and blank lines...
443 if (line
[0] == '#' || line
[0] == '\n')
447 * Grab the character and unicode glyph number.
450 if (sscanf(line
, "%x%x", &ch
, &unicode
) == 2 && ch
< 256)
451 Codes
[Chars
[ch
]] = unicode
;
453 while (fgets(line
, sizeof(line
), fp
) != NULL
);
457 else if (strcmp(lineptr
, "utf8") == 0)
460 * UTF-8 (Unicode) text...
466 * Read the font descriptions...
471 while (fgets(line
, sizeof(line
), fp
) != NULL
)
474 * Skip comment and blank lines...
477 if (line
[0] == '#' || line
[0] == '\n')
481 * Read the font descriptions that should look like:
483 * start end direction width normal [bold italic bold-italic]
488 start
= strtol(lineptr
, &lineptr
, 16);
489 end
= strtol(lineptr
, &lineptr
, 16);
491 while (isspace(*lineptr
& 255))
496 while (!isspace(*lineptr
& 255) && *lineptr
)
502 * Can't have a font without all required values...
505 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
512 if (strcmp(valptr
, "ltor") == 0)
513 Directions
[NumFonts
] = 1;
514 else if (strcmp(valptr
, "rtol") == 0)
515 Directions
[NumFonts
] = -1;
518 fprintf(stderr
, _("ERROR: Bad text direction %s\n"), valptr
);
524 * Got the direction, now get the width...
527 while (isspace(*lineptr
& 255))
532 while (!isspace(*lineptr
& 255) && *lineptr
)
538 * Can't have a font without all required values...
541 fprintf(stderr
, _("ERROR: Bad font description line: %s\n"), valptr
);
548 if (strcmp(valptr
, "single") == 0)
549 Widths
[NumFonts
] = 1;
550 else if (strcmp(valptr
, "double") == 0)
551 Widths
[NumFonts
] = 2;
554 fprintf(stderr
, _("ERROR: Bad text width %s\n"), valptr
);
563 for (i
= 0; *lineptr
&& i
< 4; i
++)
565 while (isspace(*lineptr
& 255))
570 while (!isspace(*lineptr
& 255) && *lineptr
)
576 if (lineptr
> valptr
)
577 Fonts
[NumFonts
][i
] = strdup(valptr
);
581 * Fill in remaining fonts as needed...
584 for (j
= i
; j
< 4; j
++)
585 Fonts
[NumFonts
][j
] = strdup(Fonts
[NumFonts
][0]);
588 * Define the character mappings...
591 for (i
= start
, j
= NumFonts
* 256; i
<= end
; i
++, j
++)
598 * Move to the next font, stopping if needed...
610 fprintf(stderr
, _("ERROR: Bad charset type %s\n"), lineptr
);
618 * Standard ASCII output just uses Courier, Courier-Bold, and
619 * possibly Courier-Oblique.
624 Fonts
[0][ATTR_NORMAL
] = strdup("Courier");
625 Fonts
[0][ATTR_BOLD
] = strdup("Courier-Bold");
626 Fonts
[0][ATTR_ITALIC
] = strdup("Courier-Oblique");
627 Fonts
[0][ATTR_BOLDITALIC
] = strdup("Courier-BoldOblique");
633 * Define US-ASCII characters...
636 for (i
= 32; i
< 127; i
++)
644 * Generate a list of unique fonts to use...
647 for (i
= 0, num_fonts
= 0; i
< NumFonts
; i
++)
648 for (j
= PrettyPrint
? 2 : 1; j
>= 0; j
--)
650 for (k
= 0; k
< num_fonts
; k
++)
651 if (strcmp(Fonts
[i
][j
], fonts
[k
]) == 0)
660 fonts
[num_fonts
] = Fonts
[i
][j
];
666 * List the fonts that will be used...
669 for (i
= 0; i
< num_fonts
; i
++)
671 printf("%%%%DocumentNeededResources: font %s\n", fonts
[i
]);
673 printf("%%%%+ font %s\n", fonts
[i
]);
675 puts("%%DocumentSuppliedResources: procset texttops 1.1 0");
677 for (i
= 0; i
< num_fonts
; i
++)
681 fprintf(stderr
, "DEBUG: ppd->num_fonts = %d\n", ppd
->num_fonts
);
683 for (j
= 0; j
< ppd
->num_fonts
; j
++)
685 fprintf(stderr
, "DEBUG: ppd->fonts[%d] = %s\n", j
, ppd
->fonts
[j
]);
687 if (strcmp(fonts
[i
], ppd
->fonts
[j
]) == 0)
694 if ((ppd
!= NULL
&& j
>= ppd
->num_fonts
) ||
695 strncmp(fonts
[i
], "Courier", 7) == 0 ||
696 strcmp(fonts
[i
], "Symbol") == 0)
699 * Need to embed this font...
702 printf("%%%%+ font %s\n", fonts
[i
]);
706 puts("%%EndComments");
708 puts("%%BeginProlog");
711 * Download any missing fonts...
714 for (i
= 0; i
< num_fonts
; i
++)
718 for (j
= 0; j
< ppd
->num_fonts
; j
++)
719 if (strcmp(fonts
[i
], ppd
->fonts
[j
]) == 0)
725 if ((ppd
!= NULL
&& j
>= ppd
->num_fonts
) ||
726 strncmp(fonts
[i
], "Courier", 7) == 0 ||
727 strcmp(fonts
[i
], "Symbol") == 0)
730 * Need to embed this font...
733 printf("%%%%BeginResource: font %s\n", fonts
[i
]);
735 /**** MRS: Need to use CUPS_FONTPATH env var! ****/
736 /**** Also look for Fontmap file or name.pfa, name.pfb... ****/
737 snprintf(filename
, sizeof(filename
), "%s/fonts/%s", datadir
, fonts
[i
]);
738 if ((fp
= fopen(filename
, "rb")) != NULL
)
740 while ((j
= fread(line
, 1, sizeof(line
), fp
)) > 0)
741 fwrite(line
, 1, j
, stdout
);
746 puts("\n%%EndResource");
751 * Write the encoding array(s)...
754 puts("% character encoding(s)");
756 for (i
= 0; i
< NumFonts
; i
++)
758 printf("/cupsEncoding%02x [\n", i
);
760 for (ch
= 0; ch
< 256; ch
++)
762 if (Glyphs
[Codes
[i
* 256 + ch
]])
763 printf("/%s", Glyphs
[Codes
[i
* 256 + ch
]]);
764 else if (Codes
[i
* 256 + ch
] > 255)
765 printf("/uni%04X", Codes
[i
* 256 + ch
]);
777 * Create the fonts...
783 * Just reencode the named fonts...
786 puts("% Reencode fonts");
788 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
790 printf("/%s findfont\n", Fonts
[0][i
]);
791 puts("dup length 1 add dict begin\n"
792 " { 1 index /FID ne { def } { pop pop } ifelse } forall\n"
793 " /Encoding cupsEncoding00 def\n"
796 printf("/%s exch definefont pop\n", names
[i
]);
802 * Construct composite fonts... Start by reencoding the base fonts...
805 puts("% Reencode base fonts");
807 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
808 for (j
= 0; j
< NumFonts
; j
++)
810 printf("/%s findfont\n", Fonts
[j
][i
]);
811 printf("dup length 1 add dict begin\n"
812 " { 1 index /FID ne { def } { pop pop } ifelse } forall\n"
813 " /Encoding cupsEncoding%02x def\n"
816 printf("/%s%02x exch definefont /%s%02x exch def\n", names
[i
], j
,
821 * Then merge them into composite fonts...
824 puts("% Create composite fonts...");
826 for (i
= PrettyPrint
? 2 : 1; i
>= 0; i
--)
828 puts("8 dict begin");
829 puts("/FontType 0 def/FontMatrix[1.0 0 0 1.0 0 0]def/FMapType 2 def/Encoding[");
830 for (j
= 0; j
< NumFonts
; j
++)
831 if (j
== (NumFonts
- 1))
833 else if ((j
& 15) == 15)
837 puts("]def/FDepVector[");
838 for (j
= 0; j
< NumFonts
; j
++)
839 if (j
== (NumFonts
- 1))
840 printf("%s%02x", names
[i
], j
);
841 else if ((j
& 3) == 3)
842 printf("%s%02x\n", names
[i
], j
);
844 printf("%s%02x ", names
[i
], j
);
845 puts("]def currentdict end");
846 printf("/%s exch definefont pop\n", names
[i
]);
851 * Output the texttops procset...
854 puts("%%BeginResource: procset texttops 1.1 0");
856 puts("% Define fonts");
858 printf("/FN /cupsNormal findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
859 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
860 printf("/FB /cupsBold findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
861 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
863 printf("/FI /cupsItalic findfont [%.3f 0 0 %.3f 0 0] makefont def\n",
864 120.0 / CharsPerInch
, 68.0 / LinesPerInch
);
866 puts("% Common procedures");
868 puts("/N { FN setfont moveto } bind def");
869 puts("/B { FB setfont moveto } bind def");
870 printf("/U { gsave 0.5 setlinewidth 0 %.3f rmoveto "
871 "0 rlineto stroke grestore } bind def\n", -6.8 / LinesPerInch
);
877 puts("/S { 0.0 setgray show } bind def");
878 puts("/r { 0.5 0.0 0.0 setrgbcolor show } bind def");
879 puts("/g { 0.0 0.5 0.0 setrgbcolor show } bind def");
880 puts("/b { 0.0 0.0 0.5 setrgbcolor show } bind def");
884 puts("/S { 0.0 setgray show } bind def");
885 puts("/r { 0.2 setgray show } bind def");
886 puts("/g { 0.2 setgray show } bind def");
887 puts("/b { 0.2 setgray show } bind def");
890 puts("/I { FI setfont moveto } bind def");
893 puts("\t20 string cvs % convert page number to string");
897 * Convert a number to double-byte chars...
900 puts("\tdup length % get length");
901 puts("\tdup 2 mul string /P exch def % P = string twice as long");
902 puts("\t0 1 2 index 1 sub { % loop through each character in the page number");
903 puts("\t\tdup 3 index exch get % get character N from the page number");
904 puts("\t\texch 2 mul dup % compute offset in P");
905 puts("\t\tP exch 0 put % font 0");
906 puts("\t\t1 add P exch 2 index put % character");
907 puts("\t\tpop % discard character");
908 puts("\t} for % do for loop");
909 puts("\tpop pop % discard string and length");
910 puts("\tP % put string on stack");
924 puts("\t0.9 setgray");
928 puts("\tdup 2 mod 0 eq {");
929 printf("\t\t%.3f %.3f translate } {\n",
930 PageWidth
- PageRight
, PageTop
+ 72.0f
/ LinesPerInch
);
931 printf("\t\t%.3f %.3f translate } ifelse\n",
932 PageLeft
, PageTop
+ 72.0f
/ LinesPerInch
);
935 printf("\t%.3f %.3f translate\n",
936 PageLeft
, PageTop
+ 72.0f
/ LinesPerInch
);
938 printf("\t0 0 %.3f %.3f rectfill\n", PageRight
- PageLeft
,
939 144.0f
/ LinesPerInch
);
941 puts("\tFB setfont");
946 puts("\tdup 2 mod 0 eq {");
947 printf("\t\tT stringwidth pop neg %.3f add %.3f } {\n",
948 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
949 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
950 printf("\t\t%.3f %.3f } ifelse\n", 36.0f
/ LinesPerInch
,
951 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
954 printf("\t%.3f %.3f\n", 36.0f
/ LinesPerInch
,
955 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
957 puts("\tmoveto T show");
959 printf("\tD dup stringwidth pop neg 2 div %.3f add %.3f\n",
960 (PageRight
- PageLeft
) * 0.5,
961 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
962 puts("\tmoveto show");
966 puts("\tdup n exch 2 mod 0 eq {");
967 printf("\t\t%.3f %.3f } {\n", 36.0f
/ LinesPerInch
,
968 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
969 printf("\t\tdup stringwidth pop neg %.3f add %.3f } ifelse\n",
970 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
971 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
974 printf("\tn dup stringwidth pop neg %.3f add %.3f\n",
975 PageRight
- PageLeft
- 36.0f
/ LinesPerInch
,
976 (0.5f
+ 0.157f
) * 72.0f
/ LinesPerInch
);
978 puts("\tmoveto show");
983 puts("/S { show } bind def");
985 puts("%%EndResource");
992 * 'write_line()' - Write a row of text.
996 write_line(int row
, /* I - Row number (0 to N) */
997 lchar_t
*line
) /* I - Line to print */
999 int i
; /* Looping var */
1000 int col
; /* Current column */
1001 int attr
; /* Current attribute */
1002 int font
, /* Font to use */
1003 lastfont
, /* Last font */
1004 mono
; /* Monospaced? */
1005 lchar_t
*start
; /* First character in sequence */
1008 for (col
= 0, start
= line
; col
< SizeColumns
;)
1010 while (col
< SizeColumns
&& (line
->ch
== ' ' || line
->ch
== 0))
1016 if (col
>= SizeColumns
)
1022 * All characters in a single font - assume monospaced...
1028 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
1034 write_string(col
- (line
- start
), row
, line
- start
, start
);
1039 * Multiple fonts; break up based on the font...
1044 lastfont
= Chars
[line
->ch
] / 256;
1045 mono
= strncmp(Fonts
[lastfont
][0], "Courier", 7) == 0;
1051 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
1053 font
= Chars
[line
->ch
] / 256;
1054 if (strncmp(Fonts
[font
][0], "Courier", 7) != 0 ||
1063 if (Directions
[lastfont
] > 0)
1064 write_string(col
- (line
- start
), row
, line
- start
, start
);
1068 * Do right-to-left text...
1071 while (col
< SizeColumns
&& line
->ch
!= 0 && attr
== line
->attr
)
1073 if (Directions
[Chars
[line
->ch
] / 256] > 0 &&
1074 !ispunct(line
->ch
& 255) && !isspace(line
->ch
& 255))
1081 for (i
= 1; start
< line
; i
++, start
++)
1082 if (!isspace(start
->ch
& 255))
1083 write_string(col
- i
, row
, 1, start
);
1091 * 'write_string()' - Write a string of text.
1095 write_string(int col
, /* I - Start column */
1096 int row
, /* I - Row */
1097 int len
, /* I - Number of characters */
1098 lchar_t
*s
) /* I - String to print */
1100 int ch
; /* Current character */
1101 float x
, y
; /* Position of text */
1102 unsigned attr
; /* Character attributes */
1106 * Position the text and set the font...
1109 if (Duplex
&& (NumPages
& 1) == 0)
1111 x
= PageWidth
- PageRight
;
1120 x
+= (float)col
* 72.0f
/ (float)CharsPerInch
;
1121 y
-= (float)(row
+ 0.843) * 72.0f
/ (float)LinesPerInch
;
1125 if (attr
& ATTR_RAISED
)
1126 y
+= 36.0 / (float)LinesPerInch
;
1127 else if (attr
& ATTR_LOWERED
)
1128 y
-= 36.0 / (float)LinesPerInch
;
1140 if (attr
& ATTR_BOLD
)
1142 else if (attr
& ATTR_ITALIC
)
1147 if (attr
& ATTR_UNDERLINE
)
1148 printf(" %.3f U", (float)len
* 72.0 / (float)CharsPerInch
);
1153 * Write a hex string...
1160 printf("%04x", Chars
[s
->ch
]);
1171 * Write a quoted string...
1180 if (ch
< 32 || ch
> 126)
1183 * Quote 8-bit and control characters...
1186 printf("\\%03o", ch
);
1191 * Quote the parenthesis and backslash as needed...
1194 if (ch
== '(' || ch
== ')' || ch
== '\\')
1209 if (attr
& ATTR_RED
)
1211 else if (attr
& ATTR_GREEN
)
1213 else if (attr
& ATTR_BLUE
)
1224 * 'write_text()' - Write a text string, quoting/encoding as needed.
1228 write_text(const char *s
) /* I - String to write */
1230 int ch
; /* Actual character value (UTF8) */
1231 const unsigned char *utf8
; /* UTF8 text */
1242 utf8
= (const unsigned char *)s
;
1246 if (*utf8
< 0xc0 || !UTF8
)
1248 else if ((*utf8
& 0xe0) == 0xc0)
1251 * Two byte character...
1254 ch
= ((utf8
[0] & 0x1f) << 6) | (utf8
[1] & 0x3f);
1260 * Three byte character...
1263 ch
= ((((utf8
[0] & 0x1f) << 6) | (utf8
[1] & 0x3f)) << 6) |
1268 printf("%04x", Chars
[ch
]);
1276 * Standard 8-bit encoding...
1283 if (*s
< 32 || *s
> 126)
1284 printf("\\%03o", *s
);
1287 if (*s
== '(' || *s
== ')' || *s
== '\\')
1302 * End of "$Id: texttops.c 6649 2007-07-11 21:46:42Z mike $".