2 * Convert ASCII to PostScript.
3 * Copyright (c) 1995-2002 Markku Rossi.
5 * Author: Markku Rossi <mtr@iki.fi>
9 * This file is part of GNU enscript.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2, or (at your option)
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; see the file COPYING. If not, write to
23 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
24 * Boston, MA 02110-1301, USA.
30 * Types and definitions.
33 /* Values for token flags. */
36 #define F_EPSF_CENTER 0x01
37 #define F_EPSF_RIGHT 0x02
38 #define M_EPSF_JUSTIFICATION 0x03
40 #define F_EPSF_NO_CPOINT_UPDATE_X 0x04
41 #define F_EPSF_NO_CPOINT_UPDATE_Y 0x08
43 #define F_EPSF_ABSOLUTE_X 0x10
44 #define F_EPSF_ABSOLUTE_Y 0x20
46 #define F_EPSF_SCALE_X 0x40
47 #define F_EPSF_SCALE_Y 0x80
50 /* Predicate to check if we are at the correct slice. */
51 #define CORRECT_SLICE() (slicing == 0 || current_slice == slice)
53 /* Predicates for the current body font. */
55 /* Is character <ch> printable. */
56 #define ISPRINT(ch) (font_ctype[(unsigned char) (ch)] != ' ')
58 /* Does character <ch> exist in current body font? */
59 #define EXISTS(ch) (font_ctype[(unsigned char) (ch)] == '*')
62 #define RESOURCE_LINE_WIDTH 75
86 /* Special escape tokens. */
105 /* Token structure. */
110 double new_x; /* Current point x after this token. */
111 double new_y; /* Current point y after this token. */
112 int new_col; /* Line column after this token. */
120 double x; /* x-offset */
121 double y; /* y-offset */
122 double w; /* width */
123 double h; /* height */
126 int llx, lly, urx, ury; /* Bounding box. */
129 unsigned int skipbuf_len;
130 unsigned int skipbuf_pos;
131 FILE *fp; /* File from which eps image is read. */
132 int pipe; /* Is <fp> opened to pipe? */
140 InputEncoding encoding;
146 typedef struct gs_token_st Token;
150 * Prototypes for static functions.
153 static void get_next_token ___P ((InputStream *is, double linestart,
154 double linepos, unsigned int col,
155 double linew, Token *token));
157 static void dump_ps_page_header ___P ((char *fname, int empty));
159 static void dump_ps_page_trailer ();
161 static void dump_empty_page ();
164 * Recognize a EPS file described by <token>. Returns 1 if file was a
165 * valid EPS file or 0 otherwise. File is accepted if it starts with
166 * the PostScript magic `%!' and it has a valid `%%BoundingBox' DSC
169 static int recognize_eps_file ___P ((Token *token));
172 * Insert EPS file described by <token> to the output stream.
174 static void paste_epsf ___P ((Token *token));
177 * Check if InputStream <is> contains a file which can be passed
178 * through without any modifications. Returns 1 if file was passed or
181 static int do_pass_through ___P ((char *fname, InputStream *is));
184 * Read one float dimension from InputStream <is>. If <units> is
185 * true, number can be followed by an optional unit specifier. If
186 * <horizontal> is true, dimension is horizontal, otherwise it is
187 * vertical (this is used to find out how big `line' units are).
189 static double read_float ___P ((InputStream *is, int units, int horizontal));
192 * Print linenumber <linenum> to the beginning of the current line.
193 * Current line start is specified by point (x, y).
195 static void print_line_number ___P ((double x, double y, double space,
196 double margin, unsigned int linenum));
198 /* Send PostScript to the output file. */
199 #define OUTPUT(body) \
207 /* Divert output to tmp file so the total page count can be counted. */
208 static void divert ();
210 /* Paste diverted data to the output and patch the total page counts. */
211 static void undivert ();
214 * Handle two-side printing related binding options. This function is
215 * called once for each even-numbered page.
217 static void handle_two_side_options ();
223 unsigned int current_pagenum = 0; /* The number of the current page. */
224 unsigned int total_pages_in_file;
225 unsigned int input_filenum = 0;
226 unsigned int current_file_linenum;
227 int first_pagenum_for_file;
228 char *fname = NULL; /* The name of the current input file. */
235 /* Have we dumped PS header? */
236 static int ps_header_dumped = 0;
239 static FILE *divertfp = NULL;
241 /* Current output() file. */
242 static FILE *cofp = NULL;
244 /* To print or not to print, that's a question. */
245 static int do_print = 1;
247 /* Is ^@font{}-defined font active? */
248 static int user_fontp = 0;
250 /* The user ^@font{}-defined font. */
251 static char user_font_name[256];
252 static FontPoint user_font_pt;
253 static InputEncoding user_font_encoding;
255 /* Is ^@color{}-defined color active? */
256 static int user_colorp = 0;
258 /* The user ^@color{}-defined color. */
259 static Color user_color;
261 /* Is ^@bgcolor{}-defined color active? */
262 static int user_bgcolorp = 0;
264 /* The user ^@bgcolor{}-defined color. */
265 static Color user_bgcolor;
267 /* The last linenumber printed by print_line_number(). */
268 static unsigned int print_line_number_last;
270 /* Registers to store X-coordinates with the ^@savex{} escape.
271 Initially these are uninitialized. */
272 static double xstore[256];
284 /* Dump PS header only once. */
285 if (ps_header_dumped)
287 ps_header_dumped = 1;
293 OUTPUT ((cofp, "%s\n", output_first_line));
294 OUTPUT ((cofp, "%%%%BoundingBox: %d %d %d %d\n", media->llx, media->lly,
295 media->urx, media->ury));
296 OUTPUT ((cofp, "%%%%Title: %s\n", title));
297 OUTPUT ((cofp, "%%%%For: %s\n", passwd->pw_gecos));
298 OUTPUT ((cofp, "%%%%Creator: %s\n", version_string));
299 OUTPUT ((cofp, "%%%%CreationDate: %s\n", date_string));
300 OUTPUT ((cofp, "%%%%Orientation: %s\n",
301 ((nup > 1) && nup_landscape)
302 || ((nup == 1) && landscape) ? "Landscape" : "Portrait"));
303 OUTPUT ((cofp, "%%%%Pages: (atend)\n"));
304 OUTPUT ((cofp, "%%%%DocumentMedia: %s %d %d 0 () ()\n",
305 media->name, media->w, media->h));
306 OUTPUT ((cofp, "%%%%DocumentNeededResources: (atend)\n"));
308 if (count_key_value_set (pagedevice) > 0)
309 OUTPUT ((cofp, "%%%%LanguageLevel: 2\n"));
311 OUTPUT ((cofp, "%%%%EndComments\n"));
315 * Procedure Definitions.
318 OUTPUT ((cofp, "%%%%BeginProlog\n"));
321 OUTPUT ((cofp, "%%%%BeginResource: procset Enscript-Prolog %s\n",
323 if (!paste_file ("enscript", ".pro"))
324 FATAL ((stderr, _("couldn't find prolog \"%s\": %s\n"), "enscript.pro",
326 OUTPUT ((cofp, "%%%%EndResource\n"));
328 /* Encoding vector. */
329 OUTPUT ((cofp, "%%%%BeginResource: procset Enscript-Encoding-%s %s\n",
330 encoding_name, ps_version_string));
331 if (!paste_file (encoding_name, ".enc"))
332 FATAL ((stderr, _("couldn't find encoding file \"%s.enc\": %s\n"),
333 encoding_name, strerror (errno)));
334 OUTPUT ((cofp, "%%%%EndResource\n"));
336 OUTPUT ((cofp, "%%%%EndProlog\n"));
343 OUTPUT ((cofp, "%%%%BeginSetup\n"));
345 /* Download fonts. */
346 for (got = strhash_get_first (download_fonts, &cp, &j, (void **) &cp2); got;
347 got = strhash_get_next (download_fonts, &cp, &j, (void **) &cp2))
350 /* For each required font, emit %%IncludeResouce comment. */
351 for (got = strhash_get_first (res_fonts, &cp, &j, (void **) &cp2); got;
352 got = strhash_get_next (res_fonts, &cp, &j, (void **) &cp2))
353 OUTPUT ((cofp, "%%%%IncludeResource: font %s\n", cp));
355 OUTPUT ((cofp, "/HFpt_w %g def\n", HFpt.w));
356 OUTPUT ((cofp, "/HFpt_h %g def\n", HFpt.h));
359 /* Select our fonts. */
361 /* Header font HF. */
362 OUTPUT ((cofp, "/%s /HF-gs-font MF\n", HFname));
364 "/HF /HF-gs-font findfont [HFpt_w 0 0 HFpt_h 0 0] makefont def\n"));
366 /* Our default typing font F. */
367 OUTPUT ((cofp, "/%s /F-gs-font MF\n", Fname));
368 OUTPUT ((cofp, "/F-gs-font %g %g SF\n", Fpt.w, Fpt.h));
371 if (underlay != NULL)
373 OUTPUT ((cofp, "/ul_str (%s) def\n", underlay));
374 OUTPUT ((cofp, "/ul_w_ptsize %g def\n", ul_ptsize.w));
375 OUTPUT ((cofp, "/ul_h_ptsize %g def\n", ul_ptsize.h));
376 OUTPUT ((cofp, "/ul_gray %g def\n", ul_gray));
377 OUTPUT ((cofp, "/ul_x %g def\n", ul_x));
378 OUTPUT ((cofp, "/ul_y %g def\n", ul_y));
379 OUTPUT ((cofp, "/ul_angle %g def\n", ul_angle));
380 OUTPUT ((cofp, "/ul_style %d def\n", ul_style));
381 OUTPUT ((cofp, "/%s /F-ul-font MF\n", ul_font));
382 OUTPUT ((cofp, "/ul_font /F-ul-font findfont \
383 [ul_w_ptsize 0 0 ul_h_ptsize 0 0] makefont def\n"));
386 /* Number of copies. */
387 OUTPUT ((cofp, "/#copies %d def\n", num_copies));
391 OUTPUT ((cofp, "true page_prefeed\n"));
393 /* Statusdict definitions. */
394 if (count_key_value_set (statusdict) > 0)
396 OUTPUT ((cofp, "%% Statustdict definitions:\nstatusdict begin\n "));
398 for (got = strhash_get_first (statusdict, &cp, &j, (void **) &cp2); got;
399 got = strhash_get_next (statusdict, &cp, &j, (void **) &cp2))
401 j = strlen (cp) + 1 + strlen (cp2) + 1;
402 if (i + j > RESOURCE_LINE_WIDTH)
404 OUTPUT ((cofp, "\n "));
407 OUTPUT ((cofp, "%s %s ", cp2, cp));
410 OUTPUT ((cofp, "\nend\n"));
413 /* Page device definitions. */
415 (count_key_value_set (pagedevice) > 0 || generate_PageSize))
417 OUTPUT ((cofp, "%% Pagedevice definitions:\n"));
418 OUTPUT ((cofp, "gs_languagelevel 1 gt {\n <<\n "));
421 for (got = strhash_get_first (pagedevice, &cp, &j, (void **) &cp2); got;
422 got = strhash_get_next (pagedevice, &cp, &j, (void **) &cp2))
424 j = strlen (cp2) + 1 + strlen (cp) + 2;
425 if (i + j > RESOURCE_LINE_WIDTH)
427 OUTPUT ((cofp, "\n "));
430 OUTPUT ((cofp, "/%s %s ", cp, cp2));
434 if (generate_PageSize)
436 if (i + 21 > RESOURCE_LINE_WIDTH)
438 OUTPUT ((cofp, "\n "));
441 OUTPUT ((cofp, "/PageSize [%d %d] ", media->w, media->h));
445 OUTPUT ((cofp, "\n >> setpagedevice\n} if\n"));
449 * Dump header procset. Header must come after all font inclusions
450 * and enscript's dynamic state definition.
452 if (header != HDR_NONE)
455 if (header == HDR_SIMPLE)
458 hdr = fancy_header_name;
460 OUTPUT ((cofp, "%%%%BeginResource: procset Enscript-Header-%s %s\n",
461 hdr, ps_version_string));
462 if (!paste_file (hdr, ".hdr"))
464 _("couldn't find header definition file \"%s.hdr\": %s\n"),
465 hdr, strerror (errno)));
466 OUTPUT ((cofp, "%%%%EndResource\n"));
470 * Count output width and height here; we can't do it earlier because
471 * header might have just allocated some extra space.
473 d_output_w = d_page_w;
474 d_output_h = d_page_h - d_header_h - d_footer_h;
476 /* Dump our current dynamic state. */
477 OUTPUT ((cofp, "/d_page_w %d def\n", d_page_w));
478 OUTPUT ((cofp, "/d_page_h %d def\n", d_page_h));
480 OUTPUT ((cofp, "/d_header_x %d def\n", 0));
481 OUTPUT ((cofp, "/d_header_y %d def\n", d_output_h + d_footer_h));
482 OUTPUT ((cofp, "/d_header_w %d def\n", d_header_w));
483 OUTPUT ((cofp, "/d_header_h %d def\n", d_header_h));
485 OUTPUT ((cofp, "/d_footer_x %d def\n", 0));
486 OUTPUT ((cofp, "/d_footer_y %d def\n", 0));
487 OUTPUT ((cofp, "/d_footer_w %d def\n", d_header_w));
488 OUTPUT ((cofp, "/d_footer_h %d def\n", d_footer_h));
490 OUTPUT ((cofp, "/d_output_w %d def\n", d_output_w));
491 OUTPUT ((cofp, "/d_output_h %d def\n", d_output_h));
492 OUTPUT ((cofp, "/cols %d def\n", num_columns));
494 OUTPUT ((cofp, "%%%%EndSetup\n"));
504 unsigned int nup_subpage;
506 if (!ps_header_dumped)
507 /* No header, let's be consistent and forget trailer also. */
510 /* The possible pending N-up showpage. */
511 nup_subpage = (total_pages - 1) % nup;
512 if (nup > 1 && nup_subpage + 1 != nup)
513 /* N-up showpage missing. */
514 OUTPUT ((cofp, "_R\nS\n"));
518 OUTPUT ((cofp, "%%%%Trailer\n"));
521 OUTPUT ((cofp, "false page_prefeed\n"));
523 OUTPUT ((cofp, "%%%%Pages: %d\n", total_pages));
525 /* Document needed resources. */
528 OUTPUT ((cofp, "%%%%DocumentNeededResources: font "));
529 i = 32; /* length of the previous string. */
530 for (got = strhash_get_first (res_fonts, &cp, &j, &value); got;
531 got = strhash_get_next (res_fonts, &cp, &j, &value))
533 if (i + strlen (cp) + 1 > RESOURCE_LINE_WIDTH)
535 OUTPUT ((cofp, "\n%%%%+ font "));
536 i = 9; /* length of the previous string. */
538 OUTPUT ((cofp, "%s ", cp));
539 i += strlen (cp) + 1;
541 OUTPUT ((cofp, "\n%%%%EOF\n"));
546 process_file (char *fname_arg, InputStream *is, int is_toc)
551 double linewidth; /* Line width in points. */
555 unsigned int line_column;
556 unsigned int current_linenum;
557 double linenumber_space = 0;
558 double linenumber_margin = 0;
560 int reuse_last_token = 0;
561 unsigned int current_slice = 1;
562 int last_wrapped_line = -1;
563 int last_spaced_file_linenum = -1;
564 int save_current_pagenum;
569 fname = xstrdup (fname_arg);
571 /* Init page number and line counters. */
572 if (!continuous_page_numbers)
574 total_pages_in_file = 0;
575 current_file_linenum = start_line_number;
578 * Count possible line number spaces. This should be enought for 99999
581 linenumber_space = CHAR_WIDTH ('0') * 5 + 1.0;
582 linenumber_margin = CHAR_WIDTH (':') + CHAR_WIDTH ('m');
584 /* We got a new input file. */
587 /* We haven't printed any line numbers yet. */
588 print_line_number_last = (unsigned int) -1;
590 if (pass_through || output_language_pass_through)
591 if (do_pass_through (fname, is))
595 /* We have work to do, let's give header a chance to dump itself. */
599 * Align files to the file_align boundary, this is handy for two-side
602 while ((total_pages % file_align) != 0)
608 MESSAGE (1, (stderr, _("processing file \"%s\"...\n"), fname));
610 linewidth = d_output_w / num_columns - 2 * d_output_x_margin
613 /* Save the current running page number for possible toc usage. */
614 first_pagenum_for_file = total_pages + 1;
617 * Divert our output to a temp file. We will re-process it
618 * afterwards to patch, for example, the number of pages in the
623 /* Process this input file. */
626 /* Start a new page. */
629 for (col = 0; !done && col < num_columns; col++)
631 /* Move to the beginning of the column <col>. */
632 lx = x = col * d_output_w / (float) num_columns + d_output_x_margin
634 lineend = lx + linewidth;
636 ly = y = d_footer_h + d_output_h - d_output_y_margin - LINESKIP;
642 if (line_numbers && line_column == 0
643 && (current_file_linenum != last_spaced_file_linenum))
645 /* Forward x by the amount needed by our line numbers. */
646 x += linenumber_space + linenumber_margin;
647 last_spaced_file_linenum = current_file_linenum;
651 if (!reuse_last_token)
652 get_next_token (is, lx, x, line_column, lineend, &token);
653 reuse_last_token = 0;
656 * Page header printing is delayed to this point because
657 * we want to handle files ending with a newline character
658 * with care. If the last newline would cause a pagebreak,
659 * otherwise we would print page header to the non-existent
660 * next page and that would be ugly ;)
663 if (token.type == tEOF)
670 * Now we know that we are going to make marks to this page
671 * => print page header.
679 total_pages_in_file++;
681 /* Check page ranges. */
682 if (page_ranges == NULL)
687 for (pr = page_ranges; pr; pr = pr->next)
689 if (pr->odd || pr->even)
691 if ((pr->odd && (current_pagenum % 2) == 1)
692 || (pr->even && (current_pagenum % 2) == 0))
700 if (pr->start <= current_pagenum
701 && current_pagenum <= pr->end)
715 save_current_pagenum = current_pagenum;
717 current_pagenum = toc_pagenum;
720 dump_ps_page_header (fname, 0);
724 current_pagenum = save_current_pagenum;
727 /* Print line highlight. */
728 if (line_column == 0 && line_highlight_gray < 1.0)
729 OUTPUT ((cofp, "%g %g %g %g %g line_highlight\n",
730 lx, (y - baselineskip
731 + (font_bbox_lly * Fpt.h / UNITS_PER_POINT)),
732 linewidth, Fpt.h + baselineskip,
733 line_highlight_gray));
735 /* Print line numbers if needed. */
736 if (line_numbers && line_column == 0 && token.type != tFORMFEED)
737 print_line_number (lx, y, linenumber_space, linenumber_margin,
738 current_file_linenum);
740 /* Check rest of tokens. */
744 switch (formfeed_type)
746 case FORMFEED_COLUMN:
754 case FORMFEED_HCOLUMN:
756 * Advance y-coordinate to the next even
757 * `horizontal_column_height' position.
762 current_row = (ly - y) / horizontal_column_height;
763 y = ly - (current_row + 1) * horizontal_column_height;
765 /* Check the end of the page. */
766 if (y < d_footer_h + d_output_y_margin)
774 if (CORRECT_SLICE ())
778 OUTPUT ((cofp, "%g %g %g %g %g (%s) bgs\n", x, y,
779 Fpt.h + baselineskip,
781 - (font_bbox_lly * Fpt.h / UNITS_PER_POINT),
785 else if (user_bgcolorp)
787 OUTPUT ((cofp, "%g %g %g %g %g %g %g (%s) bgcs\n",
788 x, y, Fpt.h + baselineskip,
790 - (font_bbox_lly * Fpt.h / UNITS_PER_POINT),
798 OUTPUT ((cofp, "%g %g M\n(%s) s\n", x, y,
803 line_column = token.new_col;
806 case tCARRIAGE_RETURN:
807 /* Just reset the x-coordinate. */
808 x = col * d_output_w / (float) num_columns
809 + d_output_x_margin + line_indent;
814 case tWRAPPED_NEWLINE:
815 if (token.type == tNEWLINE)
817 current_file_linenum++;
826 /* Mark wrapped line marks. */
827 switch (mark_wrapped_lines_style)
834 OUTPUT ((cofp, "%g %g M (+) s\n", x, y));
838 /* Print some fancy graphics. */
840 "%g %g %g %g %d wrapped_line_mark\n",
842 mark_wrapped_lines_style));
847 * For wrapped newlines, decrement y only if
848 * we are not slicing the input.
853 /* Count the wrapped lines here. */
854 if (!slicing || current_slice > slice)
855 if (current_file_linenum != last_wrapped_line)
858 num_truncated_lines++;
859 last_wrapped_line = current_file_linenum;
864 if (current_linenum >= lines_per_page
865 || y < d_footer_h + d_output_y_margin)
868 x = col * d_output_w / (float) num_columns
869 + d_output_x_margin + line_indent;
874 /* Count current point movement. */
876 if (token.flags & F_EPSF_ABSOLUTE_Y)
880 token.new_y += token.u.epsf.y - token.u.epsf.h;
882 if (token.flags & F_EPSF_ABSOLUTE_X)
886 token.new_x += token.u.epsf.x;
890 /* Justification flags overwrite <x_ofs>. */
891 if (token.flags & F_EPSF_CENTER)
892 token.new_x = lx + (linewidth - token.u.epsf.w) / 2;
893 if (token.flags & F_EPSF_RIGHT)
894 token.new_x = lx + (linewidth - token.u.epsf.w);
896 /* Check if eps file does not fit to this column. */
897 if ((token.flags & F_EPSF_NO_CPOINT_UPDATE_Y) == 0
898 && token.new_y < d_footer_h + d_output_y_margin)
900 if (current_linenum == 0)
903 * At the beginning of the column, warn user
906 MESSAGE (0, (stderr, _("EPS file \"%s\" is too \
908 token.u.epsf.filename));
912 /* Must start a new column. */
913 reuse_last_token = 1;
919 if (CORRECT_SLICE ())
922 /* Update current point? */
923 if (!(token.flags & F_EPSF_NO_CPOINT_UPDATE_Y))
925 if (!(token.flags & F_EPSF_NO_CPOINT_UPDATE_X))
926 x = token.new_x + token.u.epsf.w;
928 if (y < d_footer_h + d_output_y_margin)
933 /* Select a new current font. */
934 if (line_column == 0)
938 /* Check for possible line skip change. */
939 if (token.u.font.name[0] == '\0')
940 newh = default_Fpt.h;
942 newh = token.u.font.size.h;
946 /* We need a different line skip value. */
950 * We must check for page overflow after we have
955 MESSAGE (2, (stderr, "^@font="));
956 if (token.u.font.name[0] == '\0')
958 /* Select the default font. */
959 Fpt.w = default_Fpt.w;
960 Fpt.h = default_Fpt.h;
961 Fname = default_Fname;
962 encoding = default_Fencoding;
963 OUTPUT ((cofp, "/F-gs-font %g %g SF\n", Fpt.w, Fpt.h));
968 strhash_put (res_fonts, token.u.font.name,
969 strlen (token.u.font.name) + 1,
971 if (token.u.font.encoding == default_Fencoding)
972 OUTPUT ((cofp, "/%s %g %g SUF\n", token.u.font.name,
973 token.u.font.size.w, token.u.font.size.h));
974 else if (token.u.font.encoding == ENC_PS)
975 OUTPUT ((cofp, "/%s %g %g SUF_PS\n", token.u.font.name,
976 token.u.font.size.w, token.u.font.size.h));
979 _("user font encoding can be only the system's default or `ps'")));
981 strcpy (user_font_name, token.u.font.name);
982 user_font_pt.w = token.u.font.size.w;
983 user_font_pt.h = token.u.font.size.h;
984 user_font_encoding = token.u.font.encoding;
987 Fpt.w = user_font_pt.w;
988 Fpt.h = user_font_pt.h;
989 Fname = user_font_name;
990 encoding = user_font_encoding;
992 MESSAGE (2, (stderr, "%s %g/%gpt\n", Fname, Fpt.w, Fpt.h));
996 * Check for page overflow in that case that we were
997 * at the first column and font were changed to a bigger
1000 if (y < d_footer_h + d_output_y_margin)
1005 /* Select a new color. */
1006 MESSAGE (2, (stderr, "^@color{%f %f %f}\n",
1010 if (token.u.color.r == token.u.color.g
1011 && token.u.color.g == token.u.color.b
1012 && token.u.color.b == 0.0)
1014 /* Select the default color (black). */
1015 OUTPUT ((cofp, "0 setgray\n"));
1020 OUTPUT ((cofp, "%g %g %g setrgbcolor\n",
1025 user_color.r = token.u.color.r;
1026 user_color.g = token.u.color.g;
1027 user_color.b = token.u.color.b;
1033 /* Select a new background color. */
1034 MESSAGE (2, (stderr, "^@bgcolor{%f %f %f}\n",
1039 if (token.u.color.r == token.u.color.g
1040 && token.u.color.g == token.u.color.b
1041 && token.u.color.b == 1.0)
1043 /* Select the default bgcolor (white). */
1048 user_bgcolor.r = token.u.color.r;
1049 user_bgcolor.g = token.u.color.g;
1050 user_bgcolor.b = token.u.color.b;
1057 fname = xstrdup (token.u.filename);
1060 case tSETPAGENUMBER:
1061 current_pagenum = token.u.i - 1;
1065 if (current_linenum >= token.u.i)
1070 xstore[(unsigned char) token.u.i] = x;
1074 x = xstore[(unsigned char) token.u.i];
1078 OUTPUT ((cofp, "%g %g M\n%s\n", x, y, token.u.str));
1079 xfree (token.u.str);
1084 FATAL ((stderr, "process_file(): got illegal token %d",
1090 ; /* ULTRIX's cc needs this line. */
1095 dump_ps_page_trailer ();
1099 * Reset print flag to true so all the required document trailers
1100 * etc. get printed properly.
1104 /* Undivert our output from the temp file to our output stream. */
1107 /* Table of contents? */
1111 int save_total_pages = total_pages;
1113 /* use first pagenum in file for toc */
1114 total_pages = first_pagenum_for_file;
1116 cp = format_user_string ("TOC", toc_fmt_string);
1117 fprintf (toc_fp, "%s\n", cp);
1120 total_pages = save_total_pages;
1131 /* Check if character <ch> fits to current line. */
1132 #define FITS_ON_LINE(ch) ((linepos + CHAR_WIDTH (ch) < linew) || col == 0)
1134 /* Is line buffer empty? */
1135 #define BUFFER_EMPTY() (bufpos == 0)
1137 /* Unconditionally append character <ch> to the line buffer. */
1138 #define APPEND_CHAR(ch) \
1140 if (bufpos >= buflen) \
1143 buffer = xrealloc (buffer, buflen); \
1145 buffer[bufpos++] = ch; \
1149 * Copy character <ch> (it fits to this line) to output buffer and
1150 * update current point counters.
1155 linepos += CHAR_WIDTH (ch); \
1159 #define UNEMIT(ch) \
1161 linepos -= CHAR_WIDTH (ch); \
1165 #define ISSPACE(ch) ((ch) == ' ' || (ch) == '\t')
1166 #define ISOCTAL(ch) ('0' <= (ch) && (ch) <= '7')
1168 /* Read one special escape from input <fp>. */
1173 SpecialEscape escape;
1176 {"comment", ESC_COMMENT},
1179 {"color", ESC_COLOR},
1180 {"bgcolor", ESC_BGCOLOR},
1181 {"newpage", ESC_NEWPAGE},
1183 {"setfilename", ESC_SETFILENAME},
1184 {"setpagenumber", ESC_SETPAGENUMBER},
1185 {"shade", ESC_SHADE},
1186 {"bggray", ESC_BGGRAY},
1187 {"escape", ESC_ESCAPE},
1188 {"savex", ESC_SAVEX},
1189 {"loadx", ESC_LOADX},
1195 read_special_escape (InputStream *is, Token *token)
1202 /* Get escape name. */
1203 for (i = 0; i < sizeof (escname) - 1 && (ch = is_getc (is)) != EOF; i++)
1215 /* Lookup escape. */
1216 for (e = 0; escapes[e].name; e++)
1217 if (strcmp (escname, escapes[e].name) == 0)
1219 if (escapes[e].name == NULL)
1220 FATAL ((stderr, _("unknown special escape: %s"), escname));
1223 * The epsf escape takes optional arguments so it must be handled
1226 if (escapes[e].escape == ESC_EPSF)
1233 token->u.epsf.x = 0.0;
1234 token->u.epsf.y = 0.0;
1235 token->u.epsf.h = 0.0;
1236 token->u.epsf.pipe = 0;
1242 while ((ch = is_getc (is)) != EOF && ch != ']')
1246 case 'c': /* center justification */
1247 token->flags &= ~M_EPSF_JUSTIFICATION;
1248 token->flags |= F_EPSF_CENTER;
1251 case 'n': /* no current point update */
1252 /* Check the next character. */
1257 token->flags |= F_EPSF_NO_CPOINT_UPDATE_X;
1261 token->flags |= F_EPSF_NO_CPOINT_UPDATE_Y;
1266 token->flags |= F_EPSF_NO_CPOINT_UPDATE_X;
1267 token->flags |= F_EPSF_NO_CPOINT_UPDATE_Y;
1272 case 'r': /* right justification */
1273 token->flags &= ~M_EPSF_JUSTIFICATION;
1274 token->flags |= F_EPSF_RIGHT;
1278 case 's': /* scale */
1279 /* Check the next character. */
1284 token->flags |= F_EPSF_SCALE_X;
1285 token->u.epsf.xscale = read_float (is, 0, 1);
1289 token->flags |= F_EPSF_SCALE_Y;
1290 token->u.epsf.yscale = read_float (is, 0, 0);
1295 token->flags |= F_EPSF_SCALE_X;
1296 token->flags |= F_EPSF_SCALE_Y;
1297 token->u.epsf.xscale = token->u.epsf.yscale
1298 = read_float (is, 0, 1);
1303 case 'x': /* x-position */
1304 token->u.epsf.x = read_float (is, 1, 1);
1306 /* Check the next character. */
1311 token->flags |= F_EPSF_ABSOLUTE_X;
1320 case 'y': /* y-position */
1321 token->u.epsf.y = - read_float (is, 1, 0);
1323 /* Check the next character. */
1328 token->flags |= F_EPSF_ABSOLUTE_Y;
1337 case 'h': /* height */
1338 token->u.epsf.h = read_float (is, 1, 0);
1346 FATAL ((stderr, _("illegal option %c for ^@epsf escape"),
1352 _("malformed ^@epsf escape: no ']' after options")));
1358 /* Read filename. */
1359 for (i = 0; (ch = is_getc (is)) != EOF && ch != '}'; i++)
1361 token->u.epsf.filename[i] = ch;
1362 if (i + 1 >= sizeof (token->u.epsf.filename))
1364 _("too long file name for ^@epsf escape:\n%.*s"),
1365 i, token->u.epsf.filename));
1368 FATAL ((stderr, _("unexpected EOF while scanning ^@epsf escape")));
1370 token->u.epsf.filename[i] = '\0';
1371 token->type = tEPSF;
1374 FATAL ((stderr, _("malformed ^@epsf escape: no '{' found")));
1377 * Now we have a valid epsf-token in <token>. Let's read BoundingBox
1378 * and do some calculations.
1380 if (!recognize_eps_file (token))
1381 /* Recognize eps has already printed error message so we are done. */
1382 token->type = tNONE;
1385 /* Some fixups for x and y dimensions. */
1386 token->u.epsf.y += LINESKIP - 1;
1387 if (token->u.epsf.h != 0.0)
1388 token->u.epsf.h -= 1.0;
1390 /* Count picture's width and height. */
1392 pw = token->u.epsf.urx - token->u.epsf.llx;
1393 ph = token->u.epsf.ury - token->u.epsf.lly;
1395 /* The default scale. */
1396 if (token->u.epsf.h == 0.0)
1399 scale = token->u.epsf.h / ph;
1401 if ((token->flags & F_EPSF_SCALE_X) == 0)
1402 token->u.epsf.xscale = scale;
1403 if ((token->flags & F_EPSF_SCALE_Y) == 0)
1404 token->u.epsf.yscale = scale;
1406 pw *= token->u.epsf.xscale;
1407 ph *= token->u.epsf.yscale;
1409 token->u.epsf.w = pw;
1410 token->u.epsf.h = ph;
1413 else if (escapes[e].escape == ESC_COMMENT)
1415 /* Comment the rest of this line. */
1416 while ((ch = is_getc (is)) != EOF && ch != nl)
1418 token->type = tNONE;
1426 * Handle the rest of the escapes.
1429 /* Read argument. */
1432 FATAL ((stderr, _("malformed %s escape: no '{' found"),
1437 (ch = is_getc (is)) != EOF && (parenlevel > 0 || ch != '}'); i++)
1445 if (i + 1 >= sizeof (buf))
1446 FATAL ((stderr, _("too long argument for %s escape:\n%.*s"),
1447 escapes[i].name, i, buf));
1451 /* And now handle the escape. */
1452 switch (escapes[e].escape)
1455 strcpy (token->u.font.name, buf);
1457 /* Check for the default font. */
1458 if (strcmp (token->u.font.name, "default") == 0)
1459 token->u.font.name[0] = '\0';
1462 if (!parse_font_spec (token->u.font.name, &cp,
1463 &token->u.font.size,
1464 &token->u.font.encoding))
1465 FATAL ((stderr, _("malformed font spec for ^@font escape: %s"),
1466 token->u.font.name));
1468 strcpy (token->u.font.name, cp);
1471 token->type = tFONT;
1476 /* Check for the default color. */
1477 if (strcmp (buf, "default") == 0)
1481 if (escapes[e].escape == ESC_BGCOLOR)
1484 token->u.color.r = val;
1485 token->u.color.g = val;
1486 token->u.color.b = val;
1492 got = sscanf (buf, "%g %g %g",
1501 _("malformed color spec for ^@%s escape: %s"),
1502 escapes[e].escape == ESC_COLOR
1503 ? "color" : "bgcolor",
1508 token->u.color.g = token->u.color.b = token->u.color.r;
1512 /* Got all three components. */
1516 if (escapes[e].escape == ESC_COLOR)
1517 token->type = tCOLOR;
1519 token->type = tBGCOLOR;
1523 line_highlight_gray = atof (buf);
1524 if (line_highlight_gray < 0.0 || line_highlight_gray > 1.0)
1525 FATAL ((stderr, _("invalid value for ^@shade escape: %s"), buf));
1527 token->type = tNONE;
1531 bggray = atof (buf);
1532 if (bggray < 0.0 || bggray > 1.0)
1533 FATAL ((stderr, _("invalid value for ^@bggray escape: %s"), buf));
1535 token->type = tNONE;
1539 if (strcmp (buf, "default") == 0)
1540 escape_char = default_escape_char;
1542 escape_char = atoi (buf);
1543 token->type = tNONE;
1546 case ESC_SETFILENAME:
1547 strcpy (token->u.filename, buf);
1548 token->type = tSETFILENAME;
1551 case ESC_SETPAGENUMBER:
1552 token->u.i = atoi (buf);
1553 token->type = tSETPAGENUMBER;
1558 token->u.i = 1; /* The default is the first line. */
1560 token->u.i = atoi (buf);
1561 token->type = tNEWPAGE;
1565 token->type = tSAVEX;
1566 token->u.i = atoi (buf);
1570 token->type = tLOADX;
1571 token->u.i = atoi (buf);
1575 token->u.str = xstrdup (buf);
1588 /* Get next token from input file <fp>. */
1590 get_next_token (InputStream *is, double linestart, double linepos,
1591 unsigned int col, double linew, Token *token)
1593 static unsigned char *buffer = NULL; /* output buffer */
1594 static unsigned int buflen = 0; /* output buffer's length */
1595 unsigned int bufpos = 0; /* current position in output buffer */
1599 static int pending_token = tNONE;
1600 unsigned int original_col = col;
1602 if (pending_token != tNONE)
1604 token->type = pending_token;
1605 pending_token = tNONE;
1618 if (BUFFER_EMPTY ())
1630 * One of these is the newline character and the other one
1631 * is carriage return.
1635 /* The newline character. */
1636 if (BUFFER_EMPTY ())
1638 token->type = tNEWLINE;
1649 /* The carriage return character. */
1650 if (BUFFER_EMPTY ())
1652 token->type = tCARRIAGE_RETURN;
1666 i = tabsize - (col % tabsize);
1669 if (FITS_ON_LINE (' '))
1680 /* Proportional font. */
1682 double grid = tabsize * CHAR_WIDTH (' ');
1685 /* Move linepos to the next multiple of <grid>. */
1686 linepos = (((int) ((linepos - linestart) / grid) + 1) * grid
1688 if (linepos >= linew)
1696 if (BUFFER_EMPTY ())
1698 if (interpret_formfeed)
1699 token->type = tFORMFEED;
1701 token->type = tNEWLINE;
1712 /* Handle special escapes. */
1713 if (special_escapes && ch == escape_char)
1715 if (BUFFER_EMPTY ())
1717 /* Interpret special escapes. */
1718 read_special_escape (is, token);
1719 if (token->type != tNONE)
1723 * Got tNONE special escape => read_special_escape()
1724 * has already done what was needed. Just read more.
1736 /* Handle backspace character. */
1739 if (BUFFER_EMPTY () || !EXISTS (buffer[bufpos - 1]))
1740 linepos -= CHAR_WIDTH ('m');
1742 linepos -= CHAR_WIDTH (buffer[bufpos - 1]);
1748 /* Check normal characters. */
1751 if (FITS_ON_LINE (ch))
1754 * Print control characters (and optionally
1755 * characters greater than 127) in the escaped form
1756 * so PostScript interpreter will not hang on them.
1758 if (ch < 040 || (clean_7bit && ch >= 0200))
1762 sprintf (buf, "\\%03o", ch);
1763 for (i = 0; buf[i]; i++)
1764 APPEND_CHAR (buf[i]);
1766 /* Update current point counters manually. */
1767 linepos += CHAR_WIDTH (ch);
1770 else if (ch == '(' || ch == ')' || ch == '\\')
1772 /* These must be quoted in PostScript strings. */
1785 else if (ISPRINT (ch))
1787 /* Printable, but do not exists in this font. */
1788 if (FITS_ON_LINE ('?'))
1791 if (missing_chars[ch]++ == 0)
1792 num_missing_chars++;
1806 * Non-printable and does not exist in current font, print
1807 * it in the format specified by non_printable_format.
1810 if (non_printable_chars[ch]++ == 0)
1811 num_non_printable_chars++;
1813 switch (non_printable_format)
1819 case NPF_QUESTIONMARK:
1834 sprintf (buf, "\\%03o", ch);
1839 for (i = 0; buf[i]; i++)
1840 len += CHAR_WIDTH (buf[i]);
1842 if (linepos + len < linew || col == 0)
1845 for (i = 0; buf[i]; i++)
1848 APPEND_CHAR ('\\'); /* Escape '\\' characters. */
1864 /* Check for wrapped line. */
1865 if (done == DONE_WRAP)
1867 /* This line is too long. */
1869 if (line_end == LE_TRUNCATE)
1871 /* Truncate this line. */
1872 while ((ch = is_getc (is)) != EOF && ch != nl)
1875 else if (!BUFFER_EMPTY () && line_end == LE_WORD_WRAP)
1879 if (ISSPACE (buffer[bufpos - 1]))
1881 /* Skip all whitespace from the end of the wrapped line. */
1882 while ((w = is_getc (is)) != EOF && ISSPACE (w))
1888 /* Find the previous word boundary for the wrap. */
1889 for (w = bufpos - 1; w >= 0 && !ISSPACE (buffer[w]); w--)
1892 if (w > 0 || original_col > 0)
1895 * Ok, we found a word boundary. Now we must unemit
1896 * characters from the buffer to the intput stream.
1899 * - bufpos is unsigned integer variable
1900 * - some characters are escaped with '\\'
1901 * - some characters are printed in octal notation
1907 /* Check for '(', ')' and '\\'. */
1909 && (buffer[bufpos] == '('
1910 || buffer[bufpos] == ')'
1911 || buffer[bufpos] == '\\')
1912 && buffer[bufpos - 1] == '\\')
1914 is_ungetc (buffer[bufpos], is);
1915 UNEMIT (buffer[bufpos]);
1918 /* Check the octal notations "\\%03o". */
1919 else if (bufpos - 2 > w
1920 && ISOCTAL (buffer[bufpos])
1921 && ISOCTAL (buffer[bufpos - 1])
1922 && ISOCTAL (buffer[bufpos - 2])
1923 && buffer[bufpos - 3] == '\\')
1928 * It is a potential octal character. Now we
1929 * must process the buffer from the beginning
1930 * and see if `bufpos - 3' really starts a character.
1932 for (ti = w; ti < bufpos - 3; ti++)
1934 if (buffer[ti] == '\\')
1936 if (ISOCTAL (buffer[ti + 1]))
1941 tti < 3 && ISOCTAL (buffer[ti + 1]);
1946 /* Simple escape. */
1952 * If <ti> is equal to <bufpos - 3>, we found
1953 * an octal character, otherwise the leading
1954 * backslash at <bufpos - 3> belongs to the
1955 * previous character.
1957 if (ti == bufpos - 3)
1961 tch = (((buffer[bufpos - 2] - '0') << 6)
1962 + ((buffer[bufpos - 1] - '0') << 3)
1963 + (buffer[bufpos] - '0'));
1964 is_ungetc (tch, is);
1969 /* Normal character. */
1974 /* Normal character, just unget it. */
1976 is_ungetc (buffer[bufpos], is);
1977 UNEMIT (buffer[bufpos]);
1987 if (line_end == LE_TRUNCATE)
1990 num_truncated_lines++;
1991 pending_token = tNEWLINE;
1994 pending_token = tWRAPPED_NEWLINE;
1997 pending_token = tEOF;
2001 token->type = tSTRING;
2002 token->u.str = (char *) buffer;
2003 token->new_x = linepos;
2004 token->new_col = col;
2009 dump_ps_page_header (char *fname, int empty)
2016 unsigned int nup_subpage;
2018 /* The N-up printing sub-page. */
2019 nup_subpage = (total_pages - 1) % nup;
2021 /* Create fdir and ftail. */
2022 ftail = strrchr (fname, '/');
2026 ftail = strrchr (fname, '\\');
2037 strncpy (buf, fname, ftail - fname);
2038 buf[ftail - fname] = '\0';
2043 /* N-up printing is active. */
2046 if (nup_subpage == 0)
2048 /* This is a real page start. */
2053 OUTPUT ((cofp, "%%%%Page: (%d-%d) %d\n", current_pagenum,
2054 current_pagenum + nup - 1, total_pages / nup + 1));
2058 OUTPUT ((cofp, "%%%%Page: (%s:%3d-%3d) %d\n", ftail,
2059 current_pagenum, current_pagenum + nup - 1,
2060 total_pages / nup + 1));
2065 OUTPUT ((cofp, "%%%%BeginPageSetup\n_S\n"));
2067 if ((total_pages / nup + 1) % 2 == 0)
2068 /* Two-side binding options for the even pages. */
2069 handle_two_side_options ();
2071 #define PRINT_BOUNDING_BOXES 0
2073 #if PRINT_BOUNDING_BOXES
2075 "%d %d moveto %d %d lineto %d %d lineto %d %d lineto closepath stroke\n",
2076 media->llx, media->lly, media->llx, media->ury,
2077 media->urx, media->ury, media->urx, media->lly));
2083 OUTPUT ((cofp, "90 rotate\n%d %d translate\n",
2084 media->lly, -media->urx));
2086 OUTPUT ((cofp, "%d %d translate\n", media->llx, media->lly));
2091 OUTPUT ((cofp, "90 rotate\n%d %d translate\n",
2092 media->lly, -media->llx));
2094 OUTPUT ((cofp, "%d %d translate\n", media->llx, media->ury));
2099 /* Page start comment. */
2103 OUTPUT ((cofp, "%sPage: (%d) %d\n", cstr, current_pagenum, total_pages));
2107 OUTPUT ((cofp, "%sPage: (%s:%3d) %d\n", cstr, ftail, current_pagenum,
2116 OUTPUT ((cofp, "%sBeginPageSetup\n_S\n", cstr));
2122 OUTPUT ((cofp, "%% N-up sub-page %d/%d\n", nup_subpage + 1, nup));
2127 xm = nup_subpage % nup_columns;
2128 ym = nup_subpage / nup_columns;
2132 xm = nup_subpage / nup_rows;
2133 ym = nup_subpage % nup_rows;
2136 OUTPUT ((cofp, "%d %d translate\n",
2137 xm * (nup_width + nup_xpad),
2138 ym * (nup_height + nup_ypad)));
2144 xm = nup_subpage / nup_rows;
2145 ym = nup_subpage % nup_rows;
2149 xm = nup_subpage % nup_columns;
2150 ym = nup_subpage / nup_columns;
2153 OUTPUT ((cofp, "%d %d translate\n",
2154 xm * (nup_width + nup_xpad),
2155 -((int) (ym * (nup_height + nup_ypad) + nup_height))));
2157 OUTPUT ((cofp, "%g dup scale\n", nup_scale));
2159 /* And finally, the real page setup. */
2161 OUTPUT ((cofp, "90 rotate\n%d %d translate\n", 0, -d_page_h));
2165 /* No N-up printing. */
2167 if (total_pages % 2 == 0)
2168 /* Two-side binding options for the even pages. */
2169 handle_two_side_options ();
2172 OUTPUT ((cofp, "90 rotate\n%d %d translate\n",
2173 media->lly, -media->urx));
2175 OUTPUT ((cofp, "%d %d translate\n", media->llx, media->lly));
2178 /* Some constants etc. */
2179 OUTPUT ((cofp, "/pagenum %d def\n", current_pagenum));
2181 cp = escape_string (fname);
2182 OUTPUT ((cofp, "/fname (%s) def\n", cp));
2185 cp = escape_string (buf);
2186 OUTPUT ((cofp, "/fdir (%s) def\n", cp));
2189 cp = escape_string (ftail);
2190 OUTPUT ((cofp, "/ftail (%s) def\n", cp));
2193 /* Do we have a pending ^@font{} font? */
2196 if (encoding == default_Fencoding)
2197 OUTPUT ((cofp, "/%s %g %g SUF\n", Fname, Fpt.w, Fpt.h));
2199 /* This must be the case. */
2200 OUTPUT ((cofp, "/%s %g %g SUF_PS\n", Fname, Fpt.w, Fpt.h));
2203 /* Dump user defined strings. */
2204 if (count_key_value_set (user_strings) > 0)
2206 OUTPUT ((cofp, "%% User defined strings:\n"));
2207 for (got = strhash_get_first (user_strings, &cp, &i, (void **) &cp2);
2209 got = strhash_get_next (user_strings, &cp, &i, (void **) &cp2))
2211 cp2 = format_user_string ("%Format", cp2);
2212 OUTPUT ((cofp, "/%s (%s) def\n", cp, cp2));
2217 /* User supplied header? */
2222 char *h_right = NULL;
2224 h_left = format_user_string ("page header", page_header);
2225 h_center = strchr (h_left, '|');
2231 h_right = strchr (h_center, '|');
2239 OUTPUT ((cofp, "/user_header_p true def\n"));
2240 OUTPUT ((cofp, "/user_header_left_str (%s) def\n", h_left));
2241 OUTPUT ((cofp, "/user_header_center_str (%s) def\n",
2242 h_center ? h_center : ""));
2243 OUTPUT ((cofp, "/user_header_right_str (%s) def\n",
2244 h_right ? h_right : ""));
2248 OUTPUT ((cofp, "/user_header_p false def\n"));
2250 /* User supplied footer? */
2255 char *f_right = NULL;
2257 f_left = format_user_string ("page footer", page_footer);
2258 f_center = strchr (f_left, '|');
2264 f_right = strchr (f_center, '|');
2272 OUTPUT ((cofp, "/user_footer_p true def\n"));
2273 OUTPUT ((cofp, "/user_footer_left_str (%s) def\n", f_left));
2274 OUTPUT ((cofp, "/user_footer_center_str (%s) def\n",
2275 f_center ? f_center : ""));
2276 OUTPUT ((cofp, "/user_footer_right_str (%s) def\n",
2277 f_right ? f_right : ""));
2281 OUTPUT ((cofp, "/user_footer_p false def\n"));
2283 OUTPUT ((cofp, "%%%%EndPageSetup\n"));
2286 * Mark standard page decorations.
2291 /* Highlight bars. */
2293 OUTPUT ((cofp, "%d %f %d %f highlight_bars\n", highlight_bars,
2294 LINESKIP, d_output_y_margin, highlight_bar_gray));
2297 if (underlay != NULL)
2299 if (ul_position_p || ul_angle_p)
2300 OUTPUT ((cofp, "user_underlay\n"));
2302 OUTPUT ((cofp, "underlay\n"));
2306 if (num_columns > 1 && (header == HDR_FANCY || borders))
2307 OUTPUT ((cofp, "column_lines\n"));
2309 /* Borders around columns. */
2311 OUTPUT ((cofp, "column_borders\n"));
2321 OUTPUT ((cofp, "do_header\n"));
2326 /* Do we have a pending ^@color{} color? */
2328 OUTPUT ((cofp, "%g %g %g setrgbcolor\n", user_color.r, user_color.g,
2334 dump_ps_page_trailer ()
2336 unsigned int nup_subpage = (total_pages - 1) % nup;
2338 OUTPUT ((cofp, "_R\n"));
2342 if (nup_subpage + 1 == nup)
2343 /* Real end of page. */
2344 OUTPUT ((cofp, "_R\nS\n"));
2347 OUTPUT ((cofp, "S\n"));
2356 unsigned int nup_subpage = (total_pages - 1) % nup;
2358 if (nup_subpage == 0)
2360 /* Real start of the page, must do it the harder way. */
2361 dump_ps_page_header ("", 1);
2362 OUTPUT ((cofp, "_R\n"));
2365 OUTPUT ((cofp, "%%Page: (-) %d\n", total_pages));
2367 if (nup_subpage + 1 == nup)
2368 /* This is the last page on this sheet, dump us. */
2369 OUTPUT ((cofp, "_R\nS\n"));
2372 OUTPUT ((cofp, "%%%%Page: (-) %d\nS\n", total_pages));
2377 recognize_eps_file (Token *token)
2383 float llx, lly, urx, ury;
2385 MESSAGE (2, (stderr, "^@epsf=\"%s\"\n", token->u.epsf.filename));
2387 i = strlen (token->u.epsf.filename);
2388 if (i > 0 && token->u.epsf.filename[i - 1] == '|')
2390 /* Read EPS data from pipe. */
2391 token->u.epsf.pipe = 1;
2392 token->u.epsf.filename[i - 1] = '\0';
2393 token->u.epsf.fp = popen (token->u.epsf.filename, "r");
2394 if (token->u.epsf.fp == NULL)
2396 MESSAGE (0, (stderr,
2397 _("epsf: couldn't open pipe to command \"%s\": %s\n"),
2398 token->u.epsf.filename, strerror (errno)));
2406 /* Read EPS data from file. */
2407 filename = tilde_subst (token->u.epsf.filename);
2409 token->u.epsf.fp = fopen (filename, "rb");
2412 if (token->u.epsf.fp == NULL)
2414 if (token->u.epsf.filename[0] != '/')
2416 /* Name is not absolute, let's lookup path. */
2419 ctx.name = token->u.epsf.filename;
2421 ctx.fullname = buffer_alloc ();
2423 if (pathwalk (libpath, file_lookup, &ctx))
2424 token->u.epsf.fp = fopen (buffer_ptr (ctx.fullname), "rb");
2426 buffer_free (ctx.fullname);
2428 if (token->u.epsf.fp == NULL)
2430 MESSAGE (0, (stderr, _("couldn't open EPS file \"%s\": %s\n"),
2431 token->u.epsf.filename, strerror (errno)));
2437 /* Find BoundingBox DSC comment. */
2441 token->u.epsf.skipbuf = NULL;
2442 token->u.epsf.skipbuf_len = 0;
2443 token->u.epsf.skipbuf_pos = 0;
2445 while (fgets (buf, sizeof (buf), token->u.epsf.fp))
2449 /* Append data to the skip buffer. */
2451 if (i + token->u.epsf.skipbuf_pos >= token->u.epsf.skipbuf_len)
2453 token->u.epsf.skipbuf_len += 8192;
2454 token->u.epsf.skipbuf = xrealloc (token->u.epsf.skipbuf,
2455 token->u.epsf.skipbuf_len);
2457 memcpy (token->u.epsf.skipbuf + token->u.epsf.skipbuf_pos, buf, i);
2458 token->u.epsf.skipbuf_pos += i;
2460 /* Check the "%!" magic cookie. */
2463 if (buf[0] != '%' || buf[1] != '!')
2467 _("EPS file \"%s\" does not start with \"%%!\" magic\n"),
2468 token->u.epsf.filename));
2473 #define BB_DSC "%%BoundingBox:"
2475 if (strncmp (buf, BB_DSC, strlen (BB_DSC)) == 0)
2477 i = sscanf (buf + strlen (BB_DSC), "%f %f %f %f",
2478 &llx, &lly, &urx, &ury);
2483 /* Skip possible whitespace. */
2484 for (i = strlen (BB_DSC);
2485 buf[i] && (buf[i] == ' ' || buf[i] == '\t');
2488 #define BB_DSC_ATEND "(atend)"
2489 if (strncmp (buf + i, BB_DSC_ATEND, strlen (BB_DSC_ATEND)) != 0)
2491 /* No, this BoundingBox comment is corrupted. */
2492 MESSAGE (0, (stderr, _("EPS file \"%s\" contains malformed \
2493 %%%%BoundingBox row:\n\"%.*s\"\n"),
2494 token->u.epsf.filename, strlen (buf) - 1, buf));
2500 /* It was a valid EPS file. */
2502 /* We store bounding box in int format. */
2503 token->u.epsf.llx = llx;
2504 token->u.epsf.lly = lly;
2505 token->u.epsf.urx = urx;
2506 token->u.epsf.ury = ury;
2514 /* Check that we found the BoundingBox comment. */
2517 MESSAGE (0, (stderr, _("EPS file \"%s\" is not a valid EPS file\n"),
2518 token->u.epsf.filename));
2519 if (token->u.epsf.pipe)
2520 pclose (token->u.epsf.fp);
2522 fclose (token->u.epsf.fp);
2523 xfree (token->u.epsf.skipbuf);
2527 MESSAGE (2, (stderr, "BoundingBox: %d %d %d %d\n",
2528 token->u.epsf.llx, token->u.epsf.lly,
2529 token->u.epsf.urx, token->u.epsf.ury));
2536 paste_epsf (Token *token)
2541 /* EPSF import header. */
2542 OUTPUT ((cofp, "BeginEPSF\n"));
2543 OUTPUT ((cofp, "%g %g translate\n", token->new_x, token->new_y));
2544 OUTPUT ((cofp, "%g %g scale\n", token->u.epsf.xscale, token->u.epsf.yscale));
2545 OUTPUT ((cofp, "%d %d translate\n", -token->u.epsf.llx,
2546 -token->u.epsf.lly));
2547 OUTPUT ((cofp, "%d %d %d %d Box clip newpath\n",
2548 token->u.epsf.llx - 1,
2549 token->u.epsf.lly - 1,
2550 token->u.epsf.urx - token->u.epsf.llx + 2,
2551 token->u.epsf.ury - token->u.epsf.lly + 2));
2552 OUTPUT ((cofp, "%%%%BeginDocument: %s%s\n", token->u.epsf.filename,
2553 token->u.epsf.pipe ? "|" : ""));
2557 /* Dump skip buffer. */
2558 fwrite (token->u.epsf.skipbuf, 1, token->u.epsf.skipbuf_pos, cofp);
2561 while ((i = fread (buf, 1, sizeof (buf), token->u.epsf.fp)) != 0)
2562 fwrite (buf, 1, i, cofp);
2565 /* Add a newline to keep comments correct */
2566 OUTPUT ((cofp, "\n"));
2568 /* EPSF import trailer. */
2569 OUTPUT ((cofp, "%%%%EndDocument\nEndEPSF\n"));
2572 if (token->u.epsf.pipe)
2573 pclose (token->u.epsf.fp);
2575 fclose (token->u.epsf.fp);
2576 xfree (token->u.epsf.skipbuf);
2581 read_float (InputStream *is, int units, int horizontal)
2587 for (i = 0; (i < sizeof (buf) - 1
2588 && (ch = is_getc (is)) != EOF
2589 && ISNUMBERDIGIT (ch));
2604 case 'c': /* centimeters */
2608 case 'p': /* PostScript points */
2611 case 'i': /* inches */
2619 case 'l': /* lines or characters */
2621 val *= CHAR_WIDTH ('m');
2632 /* Magics used to recognize different pass-through files. */
2636 unsigned int magiclen;
2639 } pass_through_magics[] =
2641 {"%!", 2, "PostScript", -2},
2642 {"\004%!", 3, "PostScript", -2},
2643 {"\033E", 2, "PCL", -2},
2644 {"\033%", 2, "PCL", -2},
2650 do_pass_through (char *fname, InputStream *is)
2653 unsigned long saved_pos = is->bufpos;
2656 if (output_language_pass_through)
2659 _("passing through all input files for output language `%s'\n"),
2664 * Try to recognize pass-through files.
2667 for (i = 0; pass_through_magics[i].magic; i++)
2669 for (j = 0; j < pass_through_magics[i].magiclen; j++)
2673 || ch != (unsigned char) pass_through_magics[i].magic[j])
2677 if (j >= pass_through_magics[i].magiclen)
2678 /* The <i>th one matched. */
2682 * Try the next one, but first, seek the input stream to its
2685 is->bufpos = saved_pos;
2688 /* Did we find any? */
2689 if (pass_through_magics[i].magic == NULL)
2693 /* Yes, it really is a pass-through file. Now do the pass through. */
2695 is->bufpos += pass_through_magics[i].revert_delta;
2697 if (ps_header_dumped)
2699 /* A pass-through file between normal ASCII files, obey DSC. */
2702 * XXX I don't know how to handle PCL files... Let's hope none
2703 * mixes them with the normal ASCII files.
2707 "%%%%Page: (%s) -1\n_S\n%%%%BeginDocument: %s\n",
2711 MESSAGE (1, (stderr, _("passing through %s file \"%s\"\n"),
2712 pass_through_magics[i].name, fname));
2715 /* And now, do the actual pass-through. */
2718 /* Note: this will be written directly to the <ofp>. */
2719 fwrite (is->buf + is->bufpos, 1, is->data_in_buf - is->bufpos, ofp);
2720 is->bufpos = is->data_in_buf;
2722 /* Read more data to the input buffer. */
2728 if (!output_language_pass_through)
2730 if (ps_header_dumped)
2732 * XXX How to end a PCL file mixed between ASCII files?
2734 OUTPUT ((cofp, "%%%%EndDocument\n_R\n"));
2742 print_line_number (double x, double y, double space, double margin,
2743 unsigned int linenum)
2748 char *saved_Fname = "";
2749 FontPoint saved_Fpt;
2750 InputEncoding saved_Fencoding;
2755 /* Do not print linenumbers for wrapped lines. */
2756 if (linenum == print_line_number_last)
2758 print_line_number_last = linenum;
2762 /* Re-select our default typing font. */
2763 saved_Fname = Fname;
2764 saved_Fpt.w = Fpt.w;
2765 saved_Fpt.h = Fpt.h;
2766 saved_Fencoding = encoding;
2768 Fname = default_Fname;
2769 Fpt.w = default_Fpt.w;
2770 Fpt.h = default_Fpt.h;
2771 encoding = default_Fencoding;
2773 OUTPUT ((cofp, "/F-gs-font %g %g SF\n", Fpt.w, Fpt.h));
2777 /* Count linenumber string length. */
2778 sprintf (buf, "%d", linenum);
2779 for (i = 0; buf[i]; i++)
2780 len += CHAR_WIDTH (buf[i]);
2782 /* Print line numbers. */
2783 OUTPUT ((cofp, "%g %g M (%s:) s\n", x + space - len, y, buf));
2787 /* Switch back to the user font. */
2788 Fname = saved_Fname;
2789 Fpt.w = saved_Fpt.w;
2790 Fpt.h = saved_Fpt.h;
2791 encoding = saved_Fencoding;
2793 OUTPUT ((cofp, "/%s %g %g SUF\n", Fname, Fpt.w, Fpt.h));
2800 * The name of the divert file, shared between divert() and undivert()
2803 static char divertfname[512];
2808 assert (divertfp == NULL);
2810 /* Open divert file. */
2812 divertfp = tmpfile ();
2813 if (divertfp == NULL)
2814 FATAL ((stderr, _("couldn't create temporary divert file: %s"),
2828 assert (divertfp != NULL);
2830 if (fseek (divertfp, 0, SEEK_SET) != 0)
2831 FATAL ((stderr, _("couldn't rewind divert file: %s"), strerror (errno)));
2833 while (fgets (buf, sizeof (buf), divertfp))
2835 if (strncmp (buf, "%%BeginDocument", 15) == 0)
2837 else if (strncmp (buf, "%%EndDocument", 13) == 0)
2842 if (strncmp (buf, "% User defined strings", 22) == 0)
2845 while (fgets (buf, sizeof (buf), divertfp))
2847 if (strncmp (buf, "%%EndPageSetup", 14) == 0)
2850 /* Patch total pages to the user defined strings. */
2851 cp = strchr (buf, '\001');
2856 fprintf (ofp, "%d", total_pages_in_file);
2857 fputs (cp + 1, ofp);
2876 handle_two_side_options ()
2878 if (rotate_even_pages)
2879 /* Rotate page 180 degrees. */
2880 OUTPUT ((cofp, "180 rotate\n%d %d translate\n",
2881 -media->w, -media->h));
2883 if (swap_even_page_margins)
2884 OUTPUT ((cofp, "%d 0 translate\n",
2885 -(media->llx - (media->w - media->urx))));