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Contents of /psiconv/trunk/program/psiconv/gen_rtf.c

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Revision 14 - (show annotations)
Mon Oct 11 19:17:17 1999 UTC (20 years ago) by frodo
File MIME type: text/plain
File size: 17157 byte(s)
(Frodo) Moved generation stuff out of the library into psiconv

1 /*
2 * gen_rtf.c - Part of psiconv, a PSION 5 file formats converter
3 * Copyright (c) 1999 Andrew Johnson <anjohnson@iee.org>
4 * Portions Copyright (c) 1999 Frodo Looijaard <frodol@dds.nl>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21 #include "config.h"
22 #include <stdio.h>
23 #include <string.h>
24 #include "data.h"
25 #include "list.h"
26 #include "gen.h"
27
28
29 /*
30 * Various string tables for RTF settings
31 */
32
33 /* Character conversion table */
34 /* TO BE ADJUSTED FOR RTF! */
35 static const char *char_table[0x100] = {
36 /* 0x00 */ "", "", "", "", "", "", "\n", "\n",
37 /* 0x08 */ "\n", "\t", "", "", "", "", "", "",
38 /* 0x10 */ " ", "", "", "", "", "", "", "",
39 /* 0x18 */ "", "", "", "", "", "", "", "",
40 /* 0x20 */ " ", "!", "\"", "#", "$", "%", "&", "'",
41 /* 0x28 */ "(", ")", "*", "+", ",", "-", ".", "/",
42 /* 0x30 */ "0", "1", "2", "3", "4", "5", "6", "7",
43 /* 0x38 */ "8", "9", ":", ";", "<", "=", ">", "?",
44 /* 0x40 */ "@", "A", "B", "C", "D", "E", "F", "G",
45 /* 0x48 */ "H", "I", "J", "K", "L", "M", "N", "O",
46 /* 0x50 */ "P", "Q", "R", "S", "T", "U", "V", "W",
47 /* 0x58 */ "X", "Y", "Z", "[", "\\", "]", "^", "_",
48 /* 0x60 */ "`", "a", "b", "c", "d", "e", "f", "g",
49 /* 0x68 */ "h", "i", "j", "k", "l", "m", "n", "o",
50 /* 0x70 */ "p", "q", "r", "s", "t", "u", "v", "w",
51 /* 0x78 */ "x", "y", "z", "{", "|", "}", "~", "",
52 /* 0x80 */ "", "", ",", "f", ",,", "...", "+", "#",
53 /* 0x88 */ "^", "\176/oo","S", "<", "OE", "", "", "",
54 /* 0x90 */ "", "`", "'", "``", "''", "*", "-", "--",
55 /* 0x98 */ "~", "(TM)", "s", ">", "oe", "", "", "Y",
56 /* 0xa0 */ "\xa0", "\xa1", "\xa2", "\xa3", "\xa4", "\xa5", "\xa6", "\xa7",
57 /* 0xa8 */ "\xa8", "\xa9", "\xaa", "\xab", "\xac", "\xad", "\xae", "\xaf",
58 /* 0xb0 */ "\xb0", "\xb1", "\xb2", "\xb3", "\xb4", "\xb5", "\xb6", "\xb7",
59 /* 0xb8 */ "\xb8", "\xb9", "\xba", "\xbb", "\xbc", "\xbd", "\xbe", "\xbf",
60 /* 0xc0 */ "\xc0", "\xc1", "\xc2", "\xc3", "\xc4", "\xc5", "\xc6", "\xc7",
61 /* 0xc8 */ "\xc8", "\xc9", "\xca", "\xcb", "\xcc", "\xcd", "\xce", "\xcf",
62 /* 0xd0 */ "\xd0", "\xd1", "\xd2", "\xd3", "\xd4", "\xd5", "\xd6", "\xd7",
63 /* 0xd8 */ "\xd8", "\xd9", "\xda", "\xdb", "\xdc", "\xdd", "\xde", "\xdf",
64 /* 0xe0 */ "\xe0", "\xe1", "\xe2", "\xe3", "\xe4", "\xe5", "\xe6", "\xe7",
65 /* 0xe8 */ "\xe8", "\xe9", "\xea", "\xeb", "\xec", "\xed", "\xee", "\xef",
66 /* 0xf0 */ "\xf0", "\xf1", "\xf2", "\xf3", "\xf4", "\xf5", "\xf6", "\xf7",
67 /* 0xf8 */ "\xf8", "\xf9", "\xfa", "\xfb", "\xfc", "\xfd", "\xfe", "\xff",
68 };
69
70
71
72 static void fput_text(FILE * of, const char *text, int length) {
73 int j;
74
75 for (j = 0; j < length; j++) {
76 fputs(char_table[(unsigned char) (text[j])], of);
77 }
78 }
79
80 static int length_to_twips(psiconv_length_t len)
81 {
82 return 1440.0 / 2.54 * len;
83 }
84
85 static int lookup_color(psiconv_list colors,psiconv_color color)
86 {
87 int i;
88 psiconv_color comp;
89 for (i = 0; i < psiconv_list_length(colors); i ++) {
90 comp = * (psiconv_color *) psiconv_list_get(colors,i);
91 if ((comp->red == color->red) && (comp->green == color->green) &&
92 (comp->blue == color->blue))
93 return i;
94 }
95 return -1;
96 }
97
98 static void add_color(psiconv_list colors, psiconv_color color)
99 {
100 if (color)
101 if (lookup_color(colors,color) < 0)
102 psiconv_list_add(colors,&color);
103 }
104
105 static int lookup_font(psiconv_list fonts,psiconv_font font)
106 {
107 int i;
108 psiconv_font comp;
109 for (i = 0; i < psiconv_list_length(fonts); i ++) {
110 comp = *(psiconv_font *) psiconv_list_get(fonts,i);
111 if ((comp->screenfont == font->screenfont) &&
112 ! strcmp(comp->name,font->name))
113 return i;
114 }
115 return -1;
116 }
117
118 static void add_font(psiconv_list fonts, psiconv_font font)
119 {
120 if (font)
121 if (lookup_font(fonts,font) < 0)
122 psiconv_list_add(fonts,&font);
123 }
124
125 static void scan_border(psiconv_list colors,psiconv_list fonts,
126 psiconv_border sec)
127 {
128 if (sec) {
129 add_color(colors,sec->color);
130 }
131 }
132
133 static void scan_bullet(psiconv_list colors,psiconv_list fonts,
134 psiconv_bullet sec)
135 {
136 if (sec) {
137 add_color(colors,sec->color);
138 add_font(fonts,sec->font);
139 }
140 }
141
142 static void scan_paragraph_layout(psiconv_list colors,psiconv_list fonts,
143 psiconv_paragraph_layout sec)
144 {
145 if (sec) {
146 add_color(colors,sec->back_color);
147 scan_bullet(colors,fonts,sec->bullet);
148 scan_border(colors,fonts,sec->left_border);
149 scan_border(colors,fonts,sec->right_border);
150 scan_border(colors,fonts,sec->top_border);
151 scan_border(colors,fonts,sec->bottom_border);
152 }
153 }
154
155 static void scan_character_layout(psiconv_list colors,psiconv_list fonts,
156 psiconv_character_layout sec)
157 {
158 if (sec) {
159 add_color(colors,sec->color);
160 add_color(colors,sec->back_color);
161 add_font(fonts,sec->font);
162 }
163 }
164
165 static void scan_in_line_layout(psiconv_list colors,psiconv_list fonts,
166 psiconv_in_line_layout sec)
167 {
168 if (sec) {
169 scan_character_layout(colors,fonts,sec->layout);
170 }
171 }
172
173 static void scan_in_line_layouts(psiconv_list colors,psiconv_list fonts,
174 psiconv_in_line_layouts sec)
175 {
176 int i;
177 psiconv_in_line_layout layout;
178 if (sec) {
179 for (i = 0; i < psiconv_list_length(sec); i++) {
180 layout = psiconv_list_get(sec,i);
181 scan_in_line_layout(colors,fonts,layout);
182 }
183 }
184 }
185
186 static void scan_paragraph(psiconv_list colors,psiconv_list fonts,
187 psiconv_paragraph sec)
188 {
189 if (sec) {
190 scan_paragraph_layout(colors,fonts,sec->base_paragraph);
191 scan_character_layout(colors,fonts,sec->base_character);
192 scan_in_line_layouts(colors,fonts,sec->in_lines);
193 }
194 }
195
196 static void scan_text_and_layout(psiconv_list colors,psiconv_list fonts,
197 psiconv_text_and_layout sec)
198 {
199 int i;
200 psiconv_paragraph para;
201 if (sec) {
202 for (i = 0; i < psiconv_list_length(sec); i++) {
203 para = psiconv_list_get(sec,i);
204 scan_paragraph(colors,fonts,para);
205 }
206 }
207 }
208
209 static void scan_texted_section(psiconv_list colors,psiconv_list fonts,
210 psiconv_texted_section sec)
211 {
212 if (sec) {
213 scan_text_and_layout(colors,fonts,sec->paragraphs);
214 }
215 }
216
217 static void scan_page_header(psiconv_list colors,psiconv_list fonts,
218 psiconv_page_header sec)
219 {
220 if (sec) {
221 scan_paragraph_layout(colors,fonts,sec->base_paragraph_layout);
222 scan_character_layout(colors,fonts,sec->base_character_layout);
223 scan_texted_section(colors,fonts,sec->text);
224 }
225 }
226
227 static void scan_page_layout_section(psiconv_list colors,psiconv_list fonts,
228 psiconv_page_layout_section sec)
229 {
230 if (sec) {
231 scan_page_header(colors,fonts,sec->header);
232 scan_page_header(colors,fonts,sec->footer);
233 }
234 }
235
236 static void scan_word_style(psiconv_list colors,psiconv_list fonts,
237 psiconv_word_style sec)
238 {
239 if (sec) {
240 scan_character_layout(colors,fonts,sec->character);
241 scan_paragraph_layout(colors,fonts,sec->paragraph);
242 }
243 }
244
245 static void scan_word_style_list(psiconv_list colors,psiconv_list fonts,
246 psiconv_word_style_list sec)
247 {
248 int i;
249 psiconv_word_style style;
250 if (sec) {
251 for (i = 0; i < psiconv_list_length(sec); i++) {
252 style = psiconv_list_get(sec,i);
253 scan_word_style(colors,fonts,style);
254 }
255 }
256 }
257
258 static void scan_word_styles_section(psiconv_list colors,psiconv_list fonts,
259 psiconv_word_styles_section sec)
260 {
261 if (sec) {
262 scan_word_style(colors,fonts,sec->normal);
263 scan_word_style_list(colors,fonts,sec->styles);
264 }
265 }
266
267
268 static void scan_word_f(psiconv_list colors,psiconv_list fonts,
269 psiconv_word_f sec)
270 {
271 if (sec) {
272 scan_page_layout_section(colors,fonts,sec->page_sec);
273 scan_text_and_layout(colors,fonts,sec->paragraphs);
274 scan_word_styles_section(colors,fonts,sec->styles_sec);
275 }
276 }
277
278 static void scan_texted_f(psiconv_list colors,psiconv_list fonts,
279 psiconv_texted_f sec)
280 {
281 if (sec) {
282 scan_page_layout_section(colors,fonts,sec->page_sec);
283 scan_texted_section(colors,fonts,sec->texted_sec);
284 }
285 }
286
287 static void gen_font_table(FILE *of,psiconv_list fonts)
288 {
289 int i;
290 psiconv_font *font;
291
292 fprintf(of,"{\\fonttbl");
293 for (i = 0; i < psiconv_list_length(fonts); i++) {
294 font = psiconv_list_get(fonts,i);
295 fprintf(of,"{\\f%d",i);
296 if ((*font)->screenfont == 1)
297 fprintf(of,"\\fswiss");
298 else if ((*font)->screenfont == 2)
299 fprintf(of,"\\fmodern");
300 else if ((*font)->screenfont == 3)
301 fprintf(of,"\\froman");
302 else
303 fprintf(of,"\\fnil");
304 fprintf(of,"\\cpg1252\\f%s;}",(*font)->name);
305 }
306 fprintf(of,"}\n");
307 }
308
309 static void gen_color_table(FILE *of, psiconv_list colors)
310 {
311 int i;
312 psiconv_color *color;
313
314 fprintf(of,"{\\colortbl");
315 for (i = 0; i < psiconv_list_length(colors); i++) {
316 color = psiconv_list_get(colors,i);
317 fprintf(of,"\\red%d\\green%d\\blue%d;",(*color)->red,
318 (*color)->green, (*color)->blue);
319 }
320 fprintf(of,"}\n");
321 }
322
323 /* This is not necessarily the same as returned by basic_character_layout_status
324 This one is specific for the base point of RTF */
325 static psiconv_character_layout
326 gen_base_char(psiconv_list colors, psiconv_list fonts)
327 {
328 struct psiconv_color white = { 0,0,0 };
329 struct psiconv_color black = { 0xff,0xff,0xff };
330 struct psiconv_font font = { strdup(""),-1 }; /* Pseudo - not added! */
331
332 struct psiconv_character_layout base_char_struct =
333 {
334 &black, /* color */
335 &white, /* back_color */
336 13.0, /* font_size */
337 psiconv_bool_false, /* italic */
338 psiconv_bool_false, /* bold */
339 psiconv_normalscript, /* super_sub */
340 psiconv_bool_false, /* underline */
341 psiconv_bool_false, /* strike_out */
342 &font, /* font */
343 };
344
345 add_color(colors,&white);
346 add_color(colors,&black);
347
348 return psiconv_clone_character_layout(&base_char_struct);
349 }
350
351 void diff_char(FILE *of,psiconv_list colors, psiconv_list fonts,
352 const psiconv_character_layout old,
353 const psiconv_character_layout new)
354 {
355 if ((old->font->screenfont != new->font->screenfont) ||
356 strcmp(old->font->name,new->font->name))
357 fprintf(of,"\\f%d",lookup_font(fonts,new->font));
358 if (old->font_size != new->font_size)
359 fprintf(of,"\\fs%d",(int) (new->font_size * 2));
360 if (old->super_sub != new->super_sub) {
361 if (new->super_sub == psiconv_normalscript)
362 fprintf(of,"\\nosupersub");
363 else if (new->super_sub == psiconv_superscript)
364 fprintf(of,"\\super");
365 else if (new->super_sub == psiconv_subscript)
366 fprintf(of,"\\sub");
367 }
368 if (old->bold != new->bold)
369 fprintf(of,"\\b%s",new->bold?"":"0");
370 if (old->italic != new->italic)
371 fprintf(of,"\\i%s",new->italic?"":"0");
372 if (old->underline != new->underline)
373 fprintf(of,"\\ul%s",new->underline?"":"0");
374 if (old->strike_out != new->strike_out)
375 fprintf(of,"\\strike%s",new->strike_out?"":"0");
376 if ((old->color->red != new->color->red) ||
377 (old->color->green != new->color->green) ||
378 (old->color->blue != new->color->blue))
379 fprintf(of,"\\cf%d",lookup_color(colors,new->color));
380 if ((old->back_color->red != new->back_color->red) ||
381 (old->back_color->green != new->back_color->green) ||
382 (old->back_color->blue != new->back_color->blue))
383 fprintf(of,"\\cb%d",lookup_color(colors,new->back_color));
384 }
385
386
387 /* Note: this generates also some character formatting; Psion Word and
388 RTF do not agree on what is paragraph-level formatting and what is
389 character-level formatting. The character-level formatting is put
390 at the end. This should work out. */
391 static void gen_paragraph_codes(FILE *of, psiconv_list colors,
392 psiconv_list fonts,
393 psiconv_paragraph_layout para)
394 {
395 if (para->indent_first != 0.0)
396 fprintf(of,"\\fl%d",length_to_twips( para->indent_first));
397 if (para->indent_left != 0.0)
398 fprintf(of,"\\ll%d",length_to_twips(para->indent_left));
399 if (para->indent_right != 0.0)
400 fprintf(of,"\\rl%d",length_to_twips(para->indent_right));
401 if (para->justify_hor != psiconv_justify_left) {
402 if (para->justify_hor == psiconv_justify_right)
403 fprintf(of,"\\qr");
404 else if (para->justify_hor == psiconv_justify_centre)
405 fprintf(of,"\\qc");
406 else if (para->justify_hor == psiconv_justify_full)
407 fprintf(of,"\\qj");
408 /*
409 else if (para->justify_hor == psiconv_justify_left)
410 fprintf(of,"\\ql");
411 */
412 }
413 if (para->interline != 0.0)
414 fprintf(of,"\\sl%d",(para->interline_exact?-1:1) *
415 length_to_twips(para->interline));
416 if (para->top_space != 0.0)
417 fprintf(of,"\\sb%d",length_to_twips(para->top_space));
418 if (para->bottom_space != 0.0)
419 fprintf(of,"\\sa%d",length_to_twips(para->bottom_space));
420 if (para->on_one_page)
421 fprintf(of,"\\keep");
422 if (para->together_with)
423 fprintf(of,"\\keepn");
424 if (!para->on_next_page)
425 fprintf(of,"pagebb");
426 if (!para->no_widow_protection)
427 fprintf(of,"\\nowidctlpar");
428 }
429
430
431 static void gen_para(FILE *of, psiconv_list colors, psiconv_list fonts,
432 psiconv_paragraph para)
433 {
434 psiconv_character_layout cur_char,base_char;
435 psiconv_in_line_layout inl;
436 int loc,i,j;
437
438 fprintf(of,"\\par\\pard");
439 gen_paragraph_codes(of,colors,fonts,para->base_paragraph);
440
441 base_char = gen_base_char(colors,fonts);
442 cur_char = base_char;
443
444 if (psiconv_list_length(para->in_lines) == 0) {
445 diff_char(of,colors,fonts,cur_char,para->base_character);
446 cur_char = para->base_character;
447 }
448 loc = 0;
449
450 for (i = 0; i < psiconv_list_length(para->in_lines); i++) {
451 inl = psiconv_list_get(para->in_lines,i);
452 diff_char(of,colors,fonts,cur_char,inl->layout);
453 cur_char = inl->layout;
454 for (j = loc; j < inl->length + loc; j ++) {
455 fputs(char_table[(unsigned char) (para->text[j])],of);
456 }
457 loc = j;
458 }
459
460 if (loc < strlen(para->text)) {
461 diff_char(of,colors,fonts,cur_char,para->base_character);
462 cur_char = para->base_character;
463 for (j = loc; j < strlen(para->text); j ++) {
464 fputs(char_table[(unsigned char) (para->text[j])],of);
465 }
466 }
467
468 psiconv_free_character_layout(base_char);
469 }
470
471 static void gen_text(FILE *of, psiconv_list colors, psiconv_list fonts,
472 psiconv_text_and_layout paragraphs)
473 {
474 int i;
475 psiconv_paragraph para;
476 fprintf(of,"\\sect");
477 for (i = 0; i < psiconv_list_length(paragraphs); i++) {
478 para = psiconv_list_get(paragraphs,i);
479 gen_para(of,colors,fonts,para);
480 }
481 }
482
483 static void psiconv_gen_rtf_word(FILE * of, psiconv_word_f wf)
484 {
485 psiconv_list fonts;
486 psiconv_list colors;
487
488 fonts = psiconv_list_new(sizeof(psiconv_font));
489 colors = psiconv_list_new(sizeof(psiconv_color));
490 scan_word_f(colors,fonts,wf);
491
492 fputs("{\\rtf1\\ansi\n",of);
493 gen_font_table(of,fonts);
494 gen_color_table(of,colors);
495 gen_text(of,colors,fonts,wf->paragraphs);
496 fputs("}\n",of);
497
498 psiconv_list_free(fonts);
499 psiconv_list_free(colors);
500
501 }
502
503 static void psiconv_gen_rtf_texted(FILE * of, psiconv_texted_f tf)
504 {
505 psiconv_list fonts;
506 psiconv_list colors;
507
508 fonts = psiconv_list_new(sizeof(psiconv_font));
509 colors = psiconv_list_new(sizeof(psiconv_color));
510 scan_texted_f(colors,fonts,tf);
511
512 fputs("{\\rtf1\\ansi\n",of);
513 gen_font_table(of,fonts);
514 gen_color_table(of,colors);
515 gen_text(of,colors,fonts,tf->texted_sec->paragraphs);
516 fputs("}\n",of);
517
518 psiconv_list_free(fonts);
519 psiconv_list_free(colors);
520 }
521
522 void psiconv_gen_rtf(FILE * of, psiconv_file file)
523 {
524 if (file->type == psiconv_word_file)
525 psiconv_gen_rtf_word(of,(psiconv_word_f) file->file);
526 else if (file->type == psiconv_texted_file)
527 psiconv_gen_rtf_texted(of,(psiconv_texted_f) file->file);
528 else
529 return;
530 }
531

frodo@frodo.looijaard.name
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