/[public]/psiconv/trunk/program/psiconv/gen_rtf.c
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Annotation of /psiconv/trunk/program/psiconv/gen_rtf.c

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Revision 14 - (hide annotations)
Mon Oct 11 19:17:17 1999 UTC (20 years, 4 months ago) by frodo
File MIME type: text/plain
File size: 17157 byte(s)
(Frodo) Moved generation stuff out of the library into psiconv

1 frodo 14 /*
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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