2 /* Copyright (C) 1994, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
4 Written by Francisco Andrés Verdú <pandres@dragonet.es> with many ideas
5 taken from the other groff drivers.
8 This file is part of groff.
10 groff is free software; you can redistribute it and/or modify it under
11 the terms of the GNU General Public License as published by the Free
12 Software Foundation; either version 2, or (at your option) any later
15 groff is distributed in the hope that it will be useful, but WITHOUT ANY
16 WARRANTY; without even the implied warranty of MERCHANTABILITY or
17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
20 You should have received a copy of the GNU General Public License along
21 with groff; see the file COPYING. If not, write to the Free Software
22 Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA. */
27 - Add X command to include bitmaps
37 extern "C" const char *Version_string;
39 static int user_papersize = -1; // papersize
40 static int orientation = -1; // orientation
41 static double user_paperlength = 0; // Custom Paper size
42 static double user_paperwidth = 0;
43 static int ncopies = 1; // Number of copies
45 #define DEFAULT_LINEWIDTH_FACTOR 40 // 0.04em
46 static int linewidth_factor = DEFAULT_LINEWIDTH_FACTOR;
48 static int set_papersize(const char *paperformat);
50 class lbp_font : public font {
53 void handle_unknown_font_command(const char *command, const char *arg,
54 const char *filename, int lineno);
55 static lbp_font *load_lbp_font(const char *);
59 lbp_font(const char *);
62 class lbp_printer : public printer {
64 lbp_printer(int, double, double);
66 void set_char(int, font *, const environment *, int, const char *name);
67 void draw(int code, int *p, int np, const environment *env);
69 void end_page(int page_length);
70 font *make_font(const char *);
73 void set_line_thickness(int size,const environment *env);
75 void vdmflush(); // the name vdmend was already used in lbp.h
76 void setfillmode(int mode);
77 void polygon( int hpos,int vpos,int np,int *p);
78 char *font_name(const lbp_font *f, const int siz);
86 unsigned short cur_symbol_set;
88 int req_linethickness; // requested line thickness
90 int paperlength; // custom paper size
94 lbp_font::lbp_font(const char *nm)
103 lbp_font *lbp_font::load_lbp_font(const char *s)
105 lbp_font *f = new lbp_font(s);
107 f->is_scalable = 1; // Default is that fonts are scalable
116 void lbp_font::handle_unknown_font_command(const char *command,
118 const char *filename, int lineno)
120 if (strcmp(command, "lbpname") == 0) {
122 fatal_with_file_and_line(filename, lineno,
123 "`%1' command requires an argument",
125 this->lbpname = new char[strlen(arg) + 1];
126 strcpy(this->lbpname, arg);
127 // we recognize bitmapped fonts by the first character of its name
129 this->is_scalable = 0;
130 // fprintf(stderr, "Loading font \"%s\" \n", arg);
132 // fprintf(stderr, "Loading font %s \"%s\" in %s at %d\n",
133 // command, arg, filename, lineno);
136 static void wp54charset()
139 lbpputs("\033[714;100;29;0;32;120.}");
140 for (i = 0; i < sizeof(symset); i++)
142 lbpputs("\033[100;0 D");
146 lbp_printer::lbp_printer(int ps, double pw, double pl)
153 req_linethickness(-1)
155 SET_BINARY(fileno(stdout));
157 lbpputs("\033c\033;\033[2&z\033[7 I\033[?32h\033[?33h\033[11h");
158 wp54charset(); // Define the new symbol set
159 lbpputs("\033[7 I\033[?32h\033[?33h\033[11h");
160 // Paper size handling
162 orientation = 0; // Default orientation is portrait
163 papersize = 14; // Default paper size is A4
164 if (font::papersize) {
165 papersize = set_papersize(font::papersize);
166 paperlength = font::paperlength;
167 paperwidth = font::paperwidth;
171 paperlength = int(pl * font::res + 0.5);
172 paperwidth = int(pw * font::res + 0.5);
174 if (papersize < 80) // standard paper
175 lbpprintf("\033[%dp", (papersize | orientation));
177 lbpprintf("\033[%d;%d;%dp", (papersize | orientation),
178 paperlength, paperwidth);
180 lbpprintf("\033[%dv\n", ncopies);
181 lbpputs("\033[0u\033[1u\033P1y Grolbp\033\\");
183 lbpputs("\033[0t\033[2t");
184 lbpputs("\033('$2\033)' 1"); // Primary symbol set IBML
185 // Secondary symbol set IBMR1
189 lbp_printer::~lbp_printer()
191 lbpputs("\033P1y\033\\");
192 lbpputs("\033c\033<");
195 inline void lbp_printer::set_line_thickness(int size,const environment *env)
202 // (env->size * (font::res/72)) * (linewidth_factor/1000)
203 // we ought to check for overflow
205 env->size * linewidth_factor * font::res / 72000;
207 line_thickness = size;
208 } // else from if (size == 0)
209 if (line_thickness < 1)
212 vdmlinewidth(line_thickness);
213 req_linethickness = size; // an size requested
214 /* fprintf(stderr, "thickness: %d == %d, size %d, %d \n",
215 size, line_thickness, env->size,req_linethickness); */
217 } // lbp_printer::set_line_thickness
219 void lbp_printer::begin_page(int)
223 void lbp_printer::end_page(int)
231 void lbp_printer::end_of_line()
233 cur_hpos = -1; // force absolute motion
236 char *lbp_printer::font_name(const lbp_font *f, const int siz)
238 static char bfont_name[255]; // The resulting font name
239 char type, // Italic, Roman, Bold
240 ori, // Normal or Rotated
241 *nam; // The font name without other data.
242 int cpi; // The font size in characters per inch
243 // (bitmapped fonts are monospaced).
244 /* Bitmap font selection is ugly in this printer, so don't expect
245 this function to be elegant. */
246 bfont_name[0] = 0x00;
247 if (orientation) // Landscape
251 type = f->lbpname[strlen(f->lbpname) - 1];
252 nam = new char[strlen(f->lbpname) - 2];
253 strncpy(nam, &(f->lbpname[1]), strlen(f->lbpname) - 2);
254 nam[strlen(f->lbpname) - 2] = 0x00;
255 // fprintf(stderr, "Bitmap font '%s' %d %c %c \n", nam, siz, type, ori);
256 /* Since these fonts are available only at certain sizes,
257 10 and 17 cpi for courier, 12 and 17 cpi for elite,
258 we adjust the resulting size. */
260 // Fortunately there are only two bitmapped fonts shipped with the printer.
261 if (!strcasecmp(nam, "courier")) {
267 if (!strcasecmp(nam, "elite")) {
272 // Now that we have all the data, let's generate the font name.
273 if ((type != 'B') && (type != 'I')) // Roman font
274 sprintf(bfont_name, "%c%s%d", ori, nam, cpi);
276 sprintf(bfont_name, "%c%s%d%c", ori, nam, cpi, type);
280 void lbp_printer::set_char(int idx, font *f, const environment *env,
283 int code = f->get_code(idx);
284 unsigned char ch = code & 0xff;
285 unsigned short symbol_set = code >> 8;
287 lbp_font *psf = (lbp_font *)f;
288 // fprintf(stderr, "Loading font %s \"%d\" \n", psf->lbpname, env->size);
289 if (psf->is_scalable) {
290 // Scalable font selection is different from bitmaped
291 lbpprintf("\033Pz%s.IBML\033\\\033[%d C", psf->lbpname,
292 (int)((env->size * font::res) / 72));
296 lbpprintf("\033Pz%s.IBML\033\\\n", font_name(psf, env->size));
297 lbpputs("\033)' 1"); // Select IBML and IBMR1 symbol set
300 // Update the line thickness if needed
301 if ((req_linethickness < 0 ) && (env->size != cur_size))
302 set_line_thickness(req_linethickness,env);
303 cur_size = env->size;
305 if (symbol_set != cur_symbol_set) {
306 if (cur_symbol_set == 3)
307 // if current symbol set is Symbol we must restore the font
308 lbpprintf("\033Pz%s.IBML\033\\\033[%d C", cur_font->lbpname,
309 (int)((env->size * font::res) / 72));
310 switch (symbol_set) {
312 lbpputs("\033('$2\033)' 1"); // Select IBML and IBMR1 symbol sets
315 lbpputs("\033(d\033)' 1"); // Select wp54 symbol set
318 lbpputs("\033('$2\033)'!0"); // Select IBMP symbol set
321 lbpprintf("\033PzSymbol.SYML\033\\\033[%d C",
322 (int)((env->size * font::res) / 72));
323 lbpputs("\033(\"!!0\033)\"!!1"); // Select symbol font
326 lbpputs("\033)\"! 1\033(\"!$2"); // Select PS symbol set
329 cur_symbol_set = symbol_set;
331 if (env->size != cur_size) {
332 if (!cur_font->is_scalable)
333 lbpprintf("\033Pz%s.IBML\033\\\n", font_name(cur_font, env->size));
335 lbpprintf("\033[%d C", (int)((env->size * font::res) / 72));
336 cur_size = env->size;
337 // Update the line thickness if needed
338 if (req_linethickness < 0 )
339 set_line_thickness(req_linethickness,env);
341 if ((env->hpos != cur_hpos) || (env->vpos != cur_vpos)) {
342 // lbpmoveabs(env->hpos - ((5 * 300) / 16), env->vpos);
343 lbpmoveabs(env->hpos - 64, env->vpos - 64);
344 cur_vpos = env->vpos;
345 cur_hpos = env->hpos;
347 if ((ch & 0x7F) < 32)
353 void lbp_printer::vdmstart()
356 static int changed_origin = 0;
359 // f = fopen("/tmp/gtmp","w+");
361 perror("Opening temporary file");
363 if (!changed_origin) { // we should change the origin only one time
367 vdmlinewidth(line_thickness);
371 lbp_printer::vdmflush()
377 /* let's copy the vdm code to the output */
380 bytes_read = fread(buffer, 1, sizeof(buffer), vdmoutput);
381 bytes_read = fwrite(buffer, 1, bytes_read, lbpoutput);
382 } while (bytes_read == sizeof(buffer));
383 fclose(vdmoutput); // This will also delete the file,
384 // since it is created by tmpfile()
388 inline void lbp_printer::setfillmode(int mode)
390 if (mode != fill_mode) {
392 vdmsetfillmode(mode, 1, 0);
394 vdmsetfillmode(mode, 1, 1); // To get black we must use white
400 inline void lbp_printer::polygon(int hpos, int vpos, int np, int *p)
403 points = new int[np + 2];
406 // fprintf(stderr, "Poligon (%d,%d) ", points[0], points[1]);
407 for (i = 0; i < np; i++)
408 points[i + 2] = p[i];
409 // for (i = 0; i < np; i++) fprintf(stderr, " %d ", p[i]);
410 // fprintf(stderr, "\n");
411 vdmpolygon((np /2) + 1, points);
414 void lbp_printer::draw(int code, int *p, int np, const environment *env)
416 if ((req_linethickness < 0 ) && (env->size != cur_size))
417 set_line_thickness(req_linethickness,env);
423 else { // troff gratuitously adds an extra 0
424 if (np != 1 && np != 2) {
425 error("0 or 1 argument required for thickness");
428 set_line_thickness(p[0],env);
433 error("2 arguments required for line");
438 vdmline(env->hpos, env->vpos, p[0], p[1]);
439 /* fprintf(stderr, "\nline: %d,%d - %d,%d thickness %d == %d\n",
440 env->hpos - 64,env->vpos -64, env->hpos - 64 + p[0],
441 env->vpos -64 + p[1], env->size, line_thickness);*/
445 error("2 arguments required for Rule");
449 setfillmode(fill_pattern); // Solid Rule
450 vdmrectangle(env->hpos, env->vpos, p[0], p[1]);
453 lbpruleabs(env->hpos - 64, env->vpos -64, p[0], p[1]);
457 // fprintf(stderr, "\nrule: thickness %d == %d\n",
458 // env->size, line_thickness);
460 case 'P': // Filled Polygon
463 setfillmode(fill_pattern);
464 polygon(env->hpos, env->vpos, np, p);
466 case 'p': // Empty Polygon
470 polygon(env->hpos, env->vpos, np, p);
472 case 'C': // Filled Circle
475 // fprintf(stderr, "Circle (%d,%d) Fill %d\n",
476 // env->hpos, env->vpos, fill_pattern);
477 setfillmode(fill_pattern);
478 vdmcircle(env->hpos + (p[0]/2), env->vpos, p[0]/2);
480 case 'c': // Empty Circle
484 vdmcircle(env->hpos + (p[0]/2), env->vpos, p[0]/2);
486 case 'E': // Filled Ellipse
489 setfillmode(fill_pattern);
490 vdmellipse(env->hpos + (p[0]/2), env->vpos, p[0]/2, p[1]/2, 0);
492 case 'e': // Empty Ellipse
496 vdmellipse(env->hpos + (p[0]/2), env->vpos, p[0]/2, p[1]/2, 0);
502 // VDM draws arcs clockwise and pic counterclockwise
503 // We must compensate for that, exchanging the starting and
505 vdmvarc(env->hpos + p[0], env->vpos+p[1],
506 int(sqrt(double((p[0]*p[0]) + (p[1]*p[1])))),
508 (-p[0]), (-p[1]), 1, 2);
514 vdmspline(np/2, env->hpos, env->vpos, p);
517 if (np != 1 && np != 2) {
518 error("1 argument required for fill");
521 // fprintf(stderr, "Fill %d\n", p[0]);
522 if ((p[0] == 1) || (p[0] >= 1000)) { // Black
526 if (p[0] == 0) { // White
530 if ((p[0] > 1) && (p[0] < 1000))
532 if (p[0] >= 990) fill_pattern = -23;
533 else if (p[0] >= 700) fill_pattern = -28;
534 else if (p[0] >= 500) fill_pattern = -27;
535 else if (p[0] >= 400) fill_pattern = -26;
536 else if (p[0] >= 300) fill_pattern = -25;
537 else if (p[0] >= 200) fill_pattern = -22;
538 else if (p[0] >= 100) fill_pattern = -24;
539 else fill_pattern = -21;
543 // not implemented yet
546 error("unrecognised drawing command `%1'", char(code));
552 font *lbp_printer::make_font(const char *nm)
554 return lbp_font::load_lbp_font(nm);
557 printer *make_printer()
559 return new lbp_printer(user_papersize, user_paperwidth, user_paperlength);
572 static int set_papersize(const char *paperformat)
575 // First test for a standard (i.e. supported directly by the printer)
577 for (i = 0 ; i < sizeof(lbp_papersizes) / sizeof(lbp_papersizes[0]); i++)
579 if (strcasecmp(lbp_papersizes[i].name,paperformat) == 0)
580 return lbp_papersizes[i].code;
582 // Otherwise, we assume a custom paper size
586 static void handle_unknown_desc_command(const char *command, const char *arg,
587 const char *filename, int lineno)
589 // orientation command
590 if (strcasecmp(command, "orientation") == 0) {
591 // We give priority to command line options
595 error_with_file_and_line(filename, lineno,
596 "`orientation' command requires an argument");
598 if (strcasecmp(arg, "portrait") == 0)
601 if (strcasecmp(arg, "landscape") == 0)
604 error_with_file_and_line(filename, lineno,
605 "invalid argument to `orientation' command");
611 static struct option long_options[] = {
612 { "orientation", required_argument, NULL, 'o' },
613 { "version", no_argument, NULL, 'v' },
614 { "copies", required_argument, NULL, 'c' },
615 { "landscape", no_argument, NULL, 'l' },
616 { "papersize", required_argument, NULL, 'p' },
617 { "linewidth", required_argument, NULL, 'w' },
618 { "fontdir", required_argument, NULL, 'F' },
619 { "help", no_argument, NULL, 'h' },
623 static void usage(FILE *stream)
626 "usage: %s [-lvh] [-c n] [-p paper_size] [-F dir] [-o or]\n"
627 " [-w width] [files ...]\n"
629 " -o --orientation=[portrait|landscape]\n"
631 " -c --copies=numcopies\n"
633 " -p --papersize=paper_size\n"
634 " -w --linewidth=width\n"
635 " -F --fontdir=dir\n"
640 int main(int argc, char **argv)
642 if (program_name == NULL)
643 program_name = strsave(argv[0]);
644 font::set_unknown_desc_command_handler(handle_unknown_desc_command);
645 // command line parsing
647 int option_index = 0;
649 c = getopt_long (argc, argv, "c:F:hI:lo:p:vw:",
650 long_options, &option_index);
653 font::command_line_font_dir(optarg);
656 // ignore include path arguments
661 if (!font::scan_papersize(optarg, &s,
662 &user_paperlength, &user_paperwidth))
663 error("invalid paper size `%1' ignored", optarg);
665 user_papersize = set_papersize(s);
672 printf("GNU grolbp (groff) version %s\n", Version_string);
676 if (strcasecmp(optarg, "portrait") == 0)
679 if (strcasecmp(optarg, "landscape") == 0)
682 error("unknown orientation '%1'", optarg);
688 long n = strtol(optarg, &ptr, 10);
689 if ((n <= 0) && (ptr == optarg))
690 error("argument for -c must be a positive integer");
691 else if (n <= 0 || n > 32767)
692 error("out of range argument for -c");
694 ncopies = unsigned(n);
700 long n = strtol(optarg, &ptr, 10);
701 if (n == 0 && ptr == optarg)
702 error("argument for -w must be a non-negative integer");
703 else if (n < 0 || n > INT_MAX)
704 error("out of range argument for -w");
706 linewidth_factor = int(n);
721 while (optind < argc)
722 do_file(argv[optind++]);
723 lbpputs("\033c\033<");