Commit | Line | Data |
---|---|---|
7b416d42 GV |
1 | /* Implementation of BDF font handling on the Microsoft W32 API. |
2 | Copyright (C) 1999 Free Software Foundation, Inc. | |
3 | ||
4 | This file is part of GNU Emacs. | |
5 | ||
6 | GNU Emacs 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, or (at your option) | |
9 | any later version. | |
10 | ||
11 | GNU Emacs 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 GNU Emacs; see the file COPYING. If not, write to | |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | Boston, MA 02111-1307, USA. */ | |
20 | ||
21 | /* Based heavily on code by H. Miyashita for Meadow (a descendant of | |
22 | MULE for W32). */ | |
23 | ||
24 | #include <windows.h> | |
4838e624 PJ |
25 | |
26 | #ifdef HAVE_CONFIG_H | |
27 | #include <config.h> | |
28 | #endif | |
29 | ||
7b416d42 GV |
30 | #include "lisp.h" |
31 | #include "charset.h" | |
dddcbf00 | 32 | #include "keyboard.h" |
683e946e JR |
33 | #include "frame.h" |
34 | #include "dispextern.h" | |
7b416d42 GV |
35 | #include "fontset.h" |
36 | #include "blockinput.h" | |
37 | #include "w32gui.h" | |
38 | #include "w32term.h" | |
39 | #include "w32bdf.h" | |
40 | ||
264f0aa7 JR |
41 | /* 10 planes */ |
42 | #define BDF_CODEPOINT_HEAP_INITIAL_SIZE (96 * 10) | |
43 | /* about 96 characters */ | |
44 | #define BDF_BITMAP_HEAP_INITIAL_SIZE (64 * 96) | |
45 | ||
46 | HANDLE hbdf_cp_heap = INVALID_HANDLE_VALUE; | |
47 | HANDLE hbdf_bmp_heap = INVALID_HANDLE_VALUE; | |
9c332a80 | 48 | |
7b416d42 GV |
49 | void w32_free_bdf_font(bdffont *fontp); |
50 | bdffont *w32_init_bdf_font(char *filename); | |
51 | ||
264f0aa7 JR |
52 | cache_bitmap cached_bitmap_slots[BDF_FONT_CACHE_SIZE]; |
53 | cache_bitmap *pcached_bitmap_latest = cached_bitmap_slots; | |
54 | ||
55 | #define FONT_CACHE_SLOT_OVER_P(p) ((p) >= cached_bitmap_slots + BDF_FONT_CACHE_SIZE) | |
56 | ||
177c0ea7 | 57 | static int |
7b416d42 GV |
58 | search_file_line(char *key, char *start, int len, char **val, char **next) |
59 | { | |
486a1063 JR |
60 | unsigned int linelen; |
61 | unsigned char *p; | |
7b416d42 GV |
62 | |
63 | p = memchr(start, '\n', len); | |
64 | if (!p) return -1; | |
dddcbf00 | 65 | for (;(unsigned char *)start < p;start++) |
7b416d42 | 66 | { |
264f0aa7 | 67 | if ((*start != ' ') && (*start != '\t')) break; |
7b416d42 | 68 | } |
00422310 | 69 | linelen = (char *) p - start + 1; |
7b416d42 GV |
70 | *next = p + 1; |
71 | if (strncmp(start, key, min(strlen(key), linelen)) == 0) | |
72 | { | |
73 | *val = start + strlen(key); | |
74 | return 1; | |
75 | } | |
177c0ea7 | 76 | |
7b416d42 GV |
77 | return 0; |
78 | } | |
79 | ||
80 | static int | |
81 | proceed_file_line(char *key, char *start, int *len, char **val, char **next) | |
82 | { | |
83 | int flag = 0; | |
84 | ||
85 | do { | |
86 | flag = search_file_line(key, start, *len, val, next); | |
87 | *len -= (int)(*next - start); | |
88 | start = *next; | |
89 | }while(flag == 0); | |
90 | ||
91 | if (flag == -1) return 0; | |
92 | return 1; | |
93 | } | |
264f0aa7 | 94 | |
865203c3 GV |
95 | char* |
96 | get_quoted_string(char *start, char *end) | |
97 | { | |
98 | char *p, *q, *result; | |
99 | ||
100 | p = memchr(start, '\"', end - start); | |
865203c3 GV |
101 | if (!p) return NULL; |
102 | p++; | |
264f0aa7 | 103 | q = memchr(p, '\"', end - p); |
865203c3 GV |
104 | if (!q) return NULL; |
105 | ||
106 | result = (char*) xmalloc(q - p + 1); | |
107 | ||
108 | memcpy(result, p, q - p); | |
109 | result[q - p] = '\0'; | |
110 | ||
111 | return result; | |
112 | } | |
113 | ||
7b416d42 GV |
114 | static int |
115 | set_bdf_font_info(bdffont *fontp) | |
116 | { | |
264f0aa7 | 117 | unsigned char *start, *p, *q; |
7b416d42 GV |
118 | int len, flag; |
119 | int bbw, bbh, bbx, bby; | |
120 | int val1; | |
121 | ||
122 | len = fontp->size; | |
123 | start = fontp->font; | |
124 | ||
125 | fontp->yoffset = 0; | |
126 | fontp->relative_compose = 0; | |
127 | fontp->default_ascent = 0; | |
264f0aa7 | 128 | |
865203c3 GV |
129 | fontp->registry = NULL; |
130 | fontp->encoding = NULL; | |
131 | fontp->slant = NULL; | |
132 | /* fontp->width = NULL; */ | |
7b416d42 | 133 | |
dddcbf00 EZ |
134 | flag = proceed_file_line("FONTBOUNDINGBOX", start, &len, |
135 | (char **)&p, (char **)&q); | |
7b416d42 | 136 | if (!flag) return 0; |
dddcbf00 | 137 | bbw = strtol(p, (char **)&start, 10); |
7b416d42 | 138 | p = start; |
dddcbf00 | 139 | bbh = strtol(p, (char **)&start, 10); |
7b416d42 | 140 | p = start; |
dddcbf00 | 141 | bbx = strtol(p, (char **)&start, 10); |
7b416d42 | 142 | p = start; |
dddcbf00 | 143 | bby = strtol(p, (char **)&start, 10); |
7b416d42 GV |
144 | |
145 | fontp->llx = bbx; | |
146 | fontp->lly = bby; | |
147 | fontp->urx = bbw + bbx; | |
148 | fontp->ury = bbh + bby; | |
149 | fontp->width = bbw; | |
150 | fontp->height = bbh; | |
151 | start = q; | |
dddcbf00 EZ |
152 | flag = proceed_file_line("STARTPROPERTIES", start, &len, |
153 | (char **)&p, (char **)&q); | |
7b416d42 GV |
154 | if (!flag) return 1; |
155 | ||
865203c3 GV |
156 | flag = 0; |
157 | ||
7b416d42 GV |
158 | do { |
159 | start = q; | |
dddcbf00 EZ |
160 | if (search_file_line("PIXEL_SIZE", start, len, |
161 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
162 | { |
163 | val1 = atoi(p); | |
164 | fontp->pixsz = val1; | |
165 | } | |
dddcbf00 EZ |
166 | else if (search_file_line("FONT_ASCENT", start, len, |
167 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
168 | { |
169 | val1 = atoi(p); | |
170 | fontp->ury = val1; | |
171 | } | |
dddcbf00 EZ |
172 | else if (search_file_line("FONT_DESCENT", start, len, |
173 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
174 | { |
175 | val1 = atoi(p); | |
176 | fontp->lly = -val1; | |
177 | } | |
dddcbf00 EZ |
178 | else if (search_file_line("_MULE_BASELINE_OFFSET", start, len, |
179 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
180 | { |
181 | val1 = atoi(p); | |
264f0aa7 | 182 | fontp->yoffset = -val1; |
7b416d42 | 183 | } |
dddcbf00 EZ |
184 | else if (search_file_line("_MULE_RELATIVE_COMPOSE", start, len, |
185 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
186 | { |
187 | val1 = atoi(p); | |
188 | fontp->relative_compose = val1; | |
189 | } | |
dddcbf00 EZ |
190 | else if (search_file_line("_MULE_DEFAULT_ASCENT", start, len, |
191 | (char **)&p, (char **)&q) == 1) | |
7b416d42 GV |
192 | { |
193 | val1 = atoi(p); | |
194 | fontp->default_ascent = val1; | |
195 | } | |
dddcbf00 EZ |
196 | else if (search_file_line("CHARSET_REGISTRY", start, len, |
197 | (char **)&p, (char **)&q) == 1) | |
865203c3 GV |
198 | { |
199 | fontp->registry = get_quoted_string(p, q); | |
200 | } | |
dddcbf00 EZ |
201 | else if (search_file_line("CHARSET_ENCODING", start, len, |
202 | (char **)&p, (char **)&q) == 1) | |
865203c3 GV |
203 | { |
204 | fontp->encoding = get_quoted_string(p, q); | |
205 | } | |
dddcbf00 EZ |
206 | else if (search_file_line("SLANT", start, len, |
207 | (char **)&p, (char **)&q) == 1) | |
865203c3 GV |
208 | { |
209 | fontp->slant = get_quoted_string(p, q); | |
210 | } | |
211 | /* | |
dddcbf00 EZ |
212 | else if (search_file_line("SETWIDTH_NAME", start, len, |
213 | (char **)&p, (char **)&q) == 1) | |
865203c3 GV |
214 | { |
215 | fontp->width = get_quoted_string(p, q); | |
216 | } | |
217 | */ | |
7b416d42 GV |
218 | else |
219 | { | |
dddcbf00 EZ |
220 | flag = search_file_line("ENDPROPERTIES", start, len, |
221 | (char **)&p, (char **)&q); | |
7b416d42 GV |
222 | } |
223 | if (flag == -1) return 0; | |
224 | len -= (q - start); | |
225 | }while(flag == 0); | |
226 | start = q; | |
dddcbf00 | 227 | flag = proceed_file_line("CHARS", start, &len, (char **)&p, (char **)&q); |
7b416d42 | 228 | if (!flag) return 0; |
691a3cb7 | 229 | fontp->nchars = atoi(p); |
7b416d42 GV |
230 | fontp->seeked = q; |
231 | ||
232 | return 1; | |
233 | } | |
234 | ||
235 | bdffont* | |
236 | w32_init_bdf_font(char *filename) | |
237 | { | |
238 | HANDLE hfile, hfilemap; | |
239 | bdffont *bdffontp; | |
240 | unsigned char *font; | |
241 | BY_HANDLE_FILE_INFORMATION fileinfo; | |
242 | int i; | |
243 | ||
264f0aa7 JR |
244 | if (hbdf_cp_heap == INVALID_HANDLE_VALUE) |
245 | hbdf_cp_heap = HeapCreate(0, BDF_CODEPOINT_HEAP_INITIAL_SIZE, 0); | |
3e27fa1f | 246 | if (hbdf_bmp_heap == INVALID_HANDLE_VALUE) |
264f0aa7 JR |
247 | hbdf_bmp_heap = HeapCreate(0, BDF_BITMAP_HEAP_INITIAL_SIZE, 0); |
248 | ||
249 | if (!hbdf_cp_heap || !hbdf_bmp_heap) | |
7c402969 | 250 | error("Fail to create heap for BDF"); |
264f0aa7 | 251 | |
7b416d42 GV |
252 | hfile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, |
253 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
254 | if (hfile == INVALID_HANDLE_VALUE) return NULL; | |
255 | if (!GetFileInformationByHandle(hfile, &fileinfo) || | |
256 | (fileinfo.nFileSizeHigh != 0) || | |
257 | (fileinfo.nFileSizeLow > BDF_FILE_SIZE_MAX)) | |
258 | { | |
259 | CloseHandle(hfile); | |
7c402969 | 260 | error("Fail to open BDF file"); |
7b416d42 GV |
261 | } |
262 | hfilemap = CreateFileMapping(hfile, NULL, PAGE_READONLY, 0, 0, NULL); | |
263 | if (hfilemap == INVALID_HANDLE_VALUE) | |
264 | { | |
265 | CloseHandle(hfile); | |
7c402969 | 266 | error("Can't map font"); |
7b416d42 GV |
267 | } |
268 | ||
269 | font = MapViewOfFile(hfilemap, FILE_MAP_READ, 0, 0, 0); | |
270 | ||
271 | if (!font) | |
272 | { | |
273 | CloseHandle(hfile); | |
274 | CloseHandle(hfilemap); | |
7c402969 | 275 | error("Can't view font"); |
7b416d42 GV |
276 | } |
277 | ||
278 | bdffontp = (bdffont *) xmalloc(sizeof(bdffont)); | |
177c0ea7 | 279 | |
7b416d42 | 280 | for(i = 0;i < BDF_FIRST_OFFSET_TABLE;i++) |
865203c3 | 281 | bdffontp->chtbl[i] = NULL; |
7b416d42 GV |
282 | bdffontp->size = fileinfo.nFileSizeLow; |
283 | bdffontp->font = font; | |
284 | bdffontp->hfile = hfile; | |
285 | bdffontp->hfilemap = hfilemap; | |
286 | bdffontp->filename = (char*) xmalloc(strlen(filename) + 1); | |
287 | strcpy(bdffontp->filename, filename); | |
177c0ea7 | 288 | |
7b416d42 GV |
289 | if (!set_bdf_font_info(bdffontp)) |
290 | { | |
291 | w32_free_bdf_font(bdffontp); | |
292 | error("Invalid BDF font!"); | |
293 | } | |
294 | return bdffontp; | |
295 | } | |
296 | ||
297 | void | |
298 | w32_free_bdf_font(bdffont *fontp) | |
299 | { | |
865203c3 GV |
300 | int i, j; |
301 | font_char *pch; | |
302 | cache_bitmap *pcb; | |
7b416d42 GV |
303 | |
304 | UnmapViewOfFile(fontp->hfilemap); | |
305 | CloseHandle(fontp->hfilemap); | |
306 | CloseHandle(fontp->hfile); | |
865203c3 GV |
307 | |
308 | if (fontp->registry) xfree(fontp->registry); | |
309 | if (fontp->encoding) xfree(fontp->encoding); | |
310 | if (fontp->slant) xfree(fontp->slant); | |
311 | /* if (fontp->width) xfree(fontp->width); */ | |
312 | ||
7b416d42 GV |
313 | xfree(fontp->filename); |
314 | for(i = 0;i < BDF_FIRST_OFFSET_TABLE;i++) | |
315 | { | |
865203c3 GV |
316 | pch = fontp->chtbl[i]; |
317 | if (pch) | |
318 | { | |
319 | for (j = 0;j < BDF_SECOND_OFFSET_TABLE;j++) | |
320 | { | |
321 | pcb = pch[j].pcbmp; | |
264f0aa7 JR |
322 | if (pcb) |
323 | { | |
324 | if (pcb->pbmp) | |
325 | HeapFree(hbdf_bmp_heap, 0, pcb->pbmp); | |
326 | pcb->psrc = NULL; | |
865203c3 | 327 | } |
264f0aa7 JR |
328 | } |
329 | HeapFree(hbdf_cp_heap, 0, pch); | |
865203c3 | 330 | } |
7b416d42 GV |
331 | } |
332 | xfree(fontp); | |
333 | } | |
334 | ||
865203c3 GV |
335 | static font_char* |
336 | get_cached_font_char(bdffont *fontp, int index) | |
7b416d42 | 337 | { |
865203c3 | 338 | font_char *pch, *result; |
7b416d42 | 339 | |
264f0aa7 | 340 | if (!BDF_CODEPOINT_RANGE_COVER_P(index)) |
7b416d42 GV |
341 | return NULL; |
342 | ||
865203c3 GV |
343 | pch = fontp->chtbl[BDF_FIRST_OFFSET(index)]; |
344 | if (!pch) | |
7b416d42 | 345 | return NULL; |
264f0aa7 | 346 | |
865203c3 | 347 | result = &pch[BDF_SECOND_OFFSET(index)]; |
7b416d42 | 348 | |
865203c3 | 349 | if (!result->offset) return NULL; |
7b416d42 | 350 | |
865203c3 | 351 | return result; |
7b416d42 GV |
352 | } |
353 | ||
865203c3 | 354 | static font_char* |
7b416d42 GV |
355 | cache_char_offset(bdffont *fontp, int index, unsigned char *offset) |
356 | { | |
865203c3 | 357 | font_char *pch, *result; |
7b416d42 | 358 | |
264f0aa7 | 359 | if (!BDF_CODEPOINT_RANGE_COVER_P(index)) |
865203c3 | 360 | return NULL; |
7b416d42 | 361 | |
865203c3 GV |
362 | pch = fontp->chtbl[BDF_FIRST_OFFSET(index)]; |
363 | if (!pch) | |
7b416d42 | 364 | { |
865203c3 | 365 | pch = fontp->chtbl[BDF_FIRST_OFFSET(index)] = |
264f0aa7 | 366 | (font_char*) HeapAlloc(hbdf_cp_heap, |
177c0ea7 | 367 | HEAP_ZERO_MEMORY, |
264f0aa7 JR |
368 | sizeof(font_char) * |
369 | BDF_SECOND_OFFSET_TABLE); | |
370 | if (!pch) return NULL; | |
371 | /* memset(pch, 0, sizeof(font_char) * BDF_SECOND_OFFSET_TABLE); */ | |
7b416d42 | 372 | } |
7b416d42 | 373 | |
865203c3 GV |
374 | result = &pch[BDF_SECOND_OFFSET(index)]; |
375 | result->offset = offset; | |
376 | ||
377 | return result; | |
7b416d42 GV |
378 | } |
379 | ||
865203c3 GV |
380 | static font_char* |
381 | seek_char(bdffont *fontp, int index) | |
7b416d42 | 382 | { |
865203c3 | 383 | font_char *result; |
7b416d42 | 384 | int len, flag, font_index; |
264f0aa7 | 385 | unsigned char *start, *p, *q; |
7b416d42 GV |
386 | |
387 | if (!fontp->seeked) return NULL; | |
388 | ||
389 | start = fontp->seeked; | |
390 | len = fontp->size - (start - fontp->font); | |
391 | ||
392 | do { | |
dddcbf00 EZ |
393 | flag = proceed_file_line("ENCODING", start, &len, |
394 | (char **)&p, (char **)&q); | |
7b416d42 GV |
395 | if (!flag) |
396 | { | |
397 | fontp->seeked = NULL; | |
398 | return NULL; | |
399 | } | |
400 | font_index = atoi(p); | |
865203c3 GV |
401 | result = cache_char_offset(fontp, font_index, q); |
402 | if (!result) return NULL; | |
403 | ||
404 | start = result->offset; | |
7b416d42 | 405 | } while (font_index != index); |
865203c3 | 406 | fontp->seeked = start; |
7b416d42 | 407 | |
865203c3 GV |
408 | return result; |
409 | } | |
410 | ||
264f0aa7 JR |
411 | static void |
412 | clear_cached_bitmap_slots() | |
413 | { | |
414 | int i; | |
415 | cache_bitmap *p; | |
416 | ||
417 | p = pcached_bitmap_latest; | |
418 | for (i = 0;i < BDF_FONT_CLEAR_SIZE;i++) | |
419 | { | |
420 | if (p->psrc) | |
421 | { | |
422 | if (p->pbmp) | |
423 | HeapFree(hbdf_bmp_heap, 0, p->pbmp); | |
424 | p->psrc->pcbmp = NULL; | |
425 | p->psrc = NULL; | |
426 | } | |
427 | p++; | |
428 | if (FONT_CACHE_SLOT_OVER_P(p)) | |
429 | p = cached_bitmap_slots; | |
430 | } | |
431 | } | |
432 | ||
7b416d42 | 433 | #define GET_HEX_VAL(x) ((isdigit(x)) ? ((x) - '0') : \ |
264f0aa7 JR |
434 | (((x) >= 'A') && ((x) <= 'F')) ? ((x) - 'A' + 10) : \ |
435 | (((x) >= 'a') && ((x) <= 'f')) ? ((x) - 'a' + 10) : \ | |
7b416d42 GV |
436 | (-1)) |
437 | ||
438 | int | |
439 | w32_get_bdf_glyph(bdffont *fontp, int index, int size, glyph_struct *glyph) | |
440 | { | |
865203c3 | 441 | font_char *pch; |
264f0aa7 JR |
442 | unsigned char *start, *p, *q, *bitmapp; |
443 | unsigned char val, val1, val2; | |
444 | int i, j, len, flag, consumed; | |
445 | int align, rowbytes; | |
7b416d42 | 446 | |
865203c3 GV |
447 | pch = get_cached_font_char(fontp, index); |
448 | if (!pch) | |
449 | { | |
450 | pch = seek_char(fontp, index); | |
451 | if (!pch) | |
452 | return 0; | |
453 | } | |
454 | ||
455 | start = pch->offset; | |
456 | ||
457 | if ((size == 0) && pch->pcbmp) | |
458 | { | |
459 | glyph->metric = pch->pcbmp->metric; | |
460 | return 1; | |
461 | } | |
7b416d42 GV |
462 | |
463 | len = fontp->size - (start - fontp->font); | |
464 | ||
dddcbf00 | 465 | flag = proceed_file_line("DWIDTH", start, &len, (char **)&p, (char **)&q); |
7b416d42 GV |
466 | if (!flag) |
467 | return 0; | |
865203c3 | 468 | glyph->metric.dwidth = atoi(p); |
7b416d42 GV |
469 | |
470 | start = q; | |
dddcbf00 | 471 | flag = proceed_file_line("BBX", start, &len, (char **)&p, (char **)&q); |
7b416d42 GV |
472 | if (!flag) |
473 | return 0; | |
dddcbf00 | 474 | glyph->metric.bbw = strtol(p, (char **)&start, 10); |
7b416d42 | 475 | p = start; |
dddcbf00 | 476 | glyph->metric.bbh = strtol(p, (char **)&start, 10); |
7b416d42 | 477 | p = start; |
dddcbf00 | 478 | glyph->metric.bbox = strtol(p, (char **)&start, 10); |
7b416d42 | 479 | p = start; |
dddcbf00 | 480 | glyph->metric.bboy = strtol(p, (char **)&start, 10); |
7b416d42 GV |
481 | |
482 | if (size == 0) return 1; | |
483 | ||
484 | start = q; | |
dddcbf00 | 485 | flag = proceed_file_line("BITMAP", start, &len, (char **)&p, (char **)&q); |
7b416d42 GV |
486 | if (!flag) |
487 | return 0; | |
488 | ||
264f0aa7 JR |
489 | consumed = 0; |
490 | flag = 0; | |
7b416d42 GV |
491 | p = q; |
492 | bitmapp = glyph->bitmap; | |
264f0aa7 JR |
493 | rowbytes = (glyph->metric.bbw + 7) / 8; |
494 | /* DIB requires DWORD alignment. */ | |
495 | align = sizeof(DWORD) - rowbytes % sizeof(DWORD); | |
496 | consumed = glyph->metric.bbh * (rowbytes + align); | |
497 | glyph->bitmap_size = consumed; | |
498 | glyph->row_byte_size = rowbytes; | |
499 | if (size < consumed) return 0; | |
500 | ||
865203c3 | 501 | for(i = 0;i < glyph->metric.bbh;i++) |
7b416d42 GV |
502 | { |
503 | q = memchr(p, '\n', len); | |
504 | if (!q) return 0; | |
264f0aa7 | 505 | for(j = 0;((q > p) && (j < rowbytes));j++) |
7b416d42 | 506 | { |
dddcbf00 EZ |
507 | int ival = GET_HEX_VAL(*p); |
508 | ||
509 | if (ival == -1) return 0; | |
510 | val1 = ival; | |
7b416d42 | 511 | p++; |
dddcbf00 EZ |
512 | ival = GET_HEX_VAL(*p); |
513 | if (ival == -1) return 0; | |
514 | val2 = ival; | |
7b416d42 | 515 | p++; |
264f0aa7 JR |
516 | val = (unsigned char)((val1 << 4) | val2); |
517 | if (val) flag = 1; | |
518 | *bitmapp++ = val; | |
7b416d42 | 519 | } |
264f0aa7 JR |
520 | for(j = 0;j < align;j++) |
521 | *bitmapp++ = 0x00; | |
7b416d42 GV |
522 | p = q + 1; |
523 | } | |
524 | ||
264f0aa7 JR |
525 | /* If this glyph is white space, return -1. */ |
526 | if (flag == 0) return -1; | |
7b416d42 | 527 | |
264f0aa7 JR |
528 | return consumed; |
529 | } | |
9c332a80 | 530 | |
865203c3 GV |
531 | static |
532 | cache_bitmap* | |
533 | get_bitmap_with_cache(bdffont *fontp, int index) | |
534 | { | |
264f0aa7 | 535 | int bitmap_size, bitmap_real_size; |
865203c3 GV |
536 | font_char *pch; |
537 | cache_bitmap* pcb; | |
264f0aa7 | 538 | unsigned char *pbmp; |
865203c3 GV |
539 | glyph_struct glyph; |
540 | ||
541 | pch = get_cached_font_char(fontp, index); | |
542 | if (pch) | |
543 | { | |
544 | pcb = pch->pcbmp; | |
545 | if (pcb) return pcb; | |
546 | } | |
547 | ||
264f0aa7 | 548 | bitmap_size = ((fontp->urx - fontp->llx) / 8 + 3) * (fontp->ury - fontp->lly) |
865203c3 GV |
549 | + 256; |
550 | glyph.bitmap = (unsigned char*) alloca(sizeof(unsigned char) * bitmap_size); | |
551 | ||
264f0aa7 JR |
552 | bitmap_real_size = w32_get_bdf_glyph(fontp, index, bitmap_size, &glyph); |
553 | ||
554 | if (bitmap_real_size == 0) | |
865203c3 GV |
555 | return NULL; |
556 | ||
557 | pch = get_cached_font_char(fontp, index); | |
558 | if (!pch) return NULL; | |
559 | ||
264f0aa7 | 560 | if (bitmap_real_size > 0) |
9c332a80 | 561 | { |
264f0aa7 JR |
562 | pbmp = (unsigned char*) HeapAlloc(hbdf_bmp_heap, 0, |
563 | bitmap_real_size); | |
564 | if (!pbmp) return NULL; | |
565 | memcpy(pbmp, glyph.bitmap, bitmap_real_size); | |
9c332a80 | 566 | } |
264f0aa7 JR |
567 | else |
568 | pbmp = NULL; /* white space character */ | |
9c332a80 | 569 | |
264f0aa7 JR |
570 | pcb = pcached_bitmap_latest; |
571 | if (pcb->psrc) | |
572 | clear_cached_bitmap_slots(); | |
865203c3 GV |
573 | |
574 | pcb->psrc = pch; | |
575 | pcb->metric = glyph.metric; | |
264f0aa7 JR |
576 | pcb->pbmp = pbmp; |
577 | pcb->bitmap_size = glyph.bitmap_size; | |
578 | pcb->row_byte_size = glyph.row_byte_size; | |
865203c3 GV |
579 | |
580 | pch->pcbmp = pcb; | |
177c0ea7 | 581 | |
264f0aa7 JR |
582 | pcached_bitmap_latest++; |
583 | if (FONT_CACHE_SLOT_OVER_P(pcached_bitmap_latest)) | |
584 | pcached_bitmap_latest = cached_bitmap_slots; | |
865203c3 GV |
585 | |
586 | return pcb; | |
587 | } | |
588 | ||
264f0aa7 JR |
589 | static HBITMAP |
590 | create_offscreen_bitmap(HDC hdc, int width, int height, unsigned char **bitsp) | |
591 | { | |
264f0aa7 JR |
592 | struct { |
593 | BITMAPINFOHEADER h; | |
594 | RGBQUAD c[2]; | |
595 | } info; | |
596 | ||
597 | memset(&info, 0, sizeof(info)); | |
598 | info.h.biSize = sizeof(BITMAPINFOHEADER); | |
599 | info.h.biWidth = width; | |
600 | info.h.biHeight = -height; | |
601 | info.h.biPlanes = 1; | |
602 | info.h.biBitCount = 1; | |
603 | info.h.biCompression = BI_RGB; | |
604 | info.c[1].rgbRed = info.c[1].rgbGreen = info.c[1].rgbBlue = 255; | |
605 | ||
606 | return CreateDIBSection(hdc, (LPBITMAPINFO)&info, | |
607 | DIB_RGB_COLORS, bitsp, NULL, 0); | |
608 | } | |
609 | ||
610 | glyph_metric * | |
611 | w32_BDF_TextMetric(bdffont *fontp, unsigned char *text, int dim) | |
612 | { | |
613 | int index; | |
614 | cache_bitmap *pcb; | |
615 | ||
616 | if (dim == 1) | |
617 | index = *text; | |
618 | else | |
619 | index = MAKELENDSHORT(text[1], text[0]); | |
620 | ||
621 | pcb = get_bitmap_with_cache(fontp, index); | |
622 | if (!pcb) | |
623 | return NULL; | |
624 | ||
625 | return &(pcb->metric); | |
626 | } | |
627 | ||
7b416d42 GV |
628 | int |
629 | w32_BDF_TextOut(bdffont *fontp, HDC hdc, int left, | |
630 | int top, unsigned char *text, int dim, int bytelen, | |
631 | int fixed_pitch_size) | |
632 | { | |
865203c3 | 633 | int index, btop; |
7b416d42 | 634 | unsigned char *textp; |
865203c3 | 635 | cache_bitmap *pcb; |
7b416d42 | 636 | HBRUSH hFgBrush, hOrgBrush; |
264f0aa7 | 637 | HANDLE horgobj; |
7b416d42 | 638 | UINT textalign; |
264f0aa7 JR |
639 | int width, height; |
640 | HDC hCompatDC; | |
641 | int ret = 1; | |
642 | static HBITMAP hBMP = 0; | |
643 | static HDC DIBsection_hdc = 0; | |
644 | static int DIBsection_width, DIBsection_height; | |
645 | static unsigned char *bits; | |
7b416d42 | 646 | |
7b416d42 | 647 | hCompatDC = CreateCompatibleDC(hdc); |
264f0aa7 JR |
648 | if (!hCompatDC) |
649 | return 0; | |
7b416d42 GV |
650 | |
651 | textalign = GetTextAlign(hdc); | |
177c0ea7 | 652 | |
7b416d42 GV |
653 | hFgBrush = CreateSolidBrush(GetTextColor(hdc)); |
654 | hOrgBrush = SelectObject(hdc, hFgBrush); | |
7b416d42 GV |
655 | |
656 | textp = text; | |
264f0aa7 | 657 | |
7b416d42 GV |
658 | while(bytelen > 0) |
659 | { | |
660 | if (dim == 1) | |
661 | { | |
662 | index = *textp++; | |
663 | bytelen--; | |
664 | } | |
665 | else | |
666 | { | |
667 | bytelen -= 2; | |
668 | if (bytelen < 0) break; | |
691a3cb7 | 669 | index = MAKELENDSHORT(textp[0], textp[1]); |
7b416d42 GV |
670 | textp += 2; |
671 | } | |
865203c3 GV |
672 | pcb = get_bitmap_with_cache(fontp, index); |
673 | if (!pcb) | |
7b416d42 | 674 | { |
264f0aa7 JR |
675 | ret = 0; |
676 | break; | |
7b416d42 | 677 | } |
264f0aa7 JR |
678 | if (pcb->pbmp) |
679 | { | |
680 | width = pcb->metric.bbw; | |
681 | height = pcb->metric.bbh; | |
177c0ea7 | 682 | |
264f0aa7 JR |
683 | if (!(hBMP |
684 | && (DIBsection_hdc == hdc) | |
685 | && (DIBsection_width == width) | |
686 | && (DIBsection_height == height))) | |
687 | { | |
688 | if (hBMP) DeleteObject(hBMP); | |
689 | hBMP = create_offscreen_bitmap(hdc, width, height, &bits); | |
690 | DIBsection_hdc = hdc; | |
691 | DIBsection_width = width; | |
692 | DIBsection_height = height; | |
693 | if (!hBMP) return 0; | |
7b416d42 | 694 | } |
264f0aa7 JR |
695 | |
696 | memcpy(bits, pcb->pbmp, pcb->bitmap_size); | |
865203c3 | 697 | |
7b416d42 | 698 | if (textalign & TA_BASELINE) |
865203c3 | 699 | btop = top - (pcb->metric.bbh + pcb->metric.bboy); |
7b416d42 | 700 | else if (textalign & TA_BOTTOM) |
865203c3 | 701 | btop = top - pcb->metric.bbh; |
7b416d42 | 702 | else |
7b416d42 | 703 | btop = top; |
7b416d42 | 704 | |
7b416d42 | 705 | horgobj = SelectObject(hCompatDC, hBMP); |
264f0aa7 JR |
706 | BitBlt(hdc, left, btop, width, height, hCompatDC, 0, 0, 0xE20746); |
707 | SelectObject(hCompatDC, horgobj); | |
708 | } | |
709 | ||
7b416d42 GV |
710 | if (fixed_pitch_size) |
711 | left += fixed_pitch_size; | |
712 | else | |
865203c3 | 713 | left += pcb->metric.dwidth; |
7b416d42 | 714 | } |
264f0aa7 JR |
715 | |
716 | DeleteDC(hCompatDC); | |
717 | ||
7b416d42 GV |
718 | SelectObject(hdc, hOrgBrush); |
719 | DeleteObject(hFgBrush); | |
7b416d42 | 720 | |
264f0aa7 | 721 | return ret; |
7b416d42 GV |
722 | } |
723 | ||
724 | struct font_info *w32_load_bdf_font (struct frame *f, char *fontname, | |
725 | int size, char* filename) | |
726 | { | |
727 | struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f); | |
728 | struct font_info *fontp; | |
729 | XFontStruct *font; | |
730 | bdffont* bdf_font; | |
731 | ||
732 | bdf_font = w32_init_bdf_font (filename); | |
733 | ||
734 | if (!bdf_font) return NULL; | |
735 | ||
736 | font = (XFontStruct *) xmalloc (sizeof (XFontStruct)); | |
00422310 | 737 | bzero (font, sizeof (*font)); |
7b416d42 GV |
738 | |
739 | font->bdf = bdf_font; | |
740 | font->hfont = 0; | |
741 | ||
691a3cb7 JR |
742 | /* NTEMACS_TODO: Better way of determining if a font is double byte |
743 | or not. */ | |
744 | font->double_byte_p = bdf_font->nchars > 255 ? 1 : 0; | |
ad784d76 | 745 | |
00422310 AI |
746 | w32_cache_char_metrics (font); |
747 | ||
7b416d42 GV |
748 | /* Do we need to create the table? */ |
749 | if (dpyinfo->font_table_size == 0) | |
750 | { | |
751 | dpyinfo->font_table_size = 16; | |
752 | dpyinfo->font_table | |
753 | = (struct font_info *) xmalloc (dpyinfo->font_table_size | |
754 | * sizeof (struct font_info)); | |
755 | } | |
756 | /* Do we need to grow the table? */ | |
757 | else if (dpyinfo->n_fonts | |
758 | >= dpyinfo->font_table_size) | |
759 | { | |
760 | dpyinfo->font_table_size *= 2; | |
761 | dpyinfo->font_table | |
762 | = (struct font_info *) xrealloc (dpyinfo->font_table, | |
763 | (dpyinfo->font_table_size | |
764 | * sizeof (struct font_info))); | |
765 | } | |
766 | ||
767 | fontp = dpyinfo->font_table + dpyinfo->n_fonts; | |
768 | ||
769 | /* Now fill in the slots of *FONTP. */ | |
770 | BLOCK_INPUT; | |
0d4c2dc2 | 771 | bzero (fontp, sizeof (*fontp)); |
7b416d42 GV |
772 | fontp->font = font; |
773 | fontp->font_idx = dpyinfo->n_fonts; | |
774 | fontp->name = (char *) xmalloc (strlen (fontname) + 1); | |
775 | bcopy (fontname, fontp->name, strlen (fontname) + 1); | |
776 | fontp->full_name = fontp->name; | |
a4d75ad7 JR |
777 | /* FIXME: look at BDF spec to see if there are better ways of finding |
778 | average_width and space_width, hopefully that don't involve working out | |
779 | the values for ourselves from the data. */ | |
780 | fontp->size = fontp->average_width = fontp->space_width = FONT_WIDTH (font); | |
7b416d42 GV |
781 | fontp->height = FONT_HEIGHT (font); |
782 | ||
783 | /* The slot `encoding' specifies how to map a character | |
784 | code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to | |
785 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF, 0:0x2020..0x7F7F, | |
786 | the font code-points (0:0x20..0x7F, 1:0xA0..0xFF, | |
787 | 0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF, or | |
788 | 2:0xA020..0xFF7F). For the moment, we don't know which charset | |
789 | uses this font. So, we set informatoin in fontp->encoding[1] | |
790 | which is never used by any charset. If mapping can't be | |
791 | decided, set FONT_ENCODING_NOT_DECIDED. */ | |
792 | fontp->encoding[1] = FONT_ENCODING_NOT_DECIDED; | |
793 | fontp->baseline_offset = bdf_font->yoffset; | |
794 | fontp->relative_compose = bdf_font->relative_compose; | |
795 | fontp->default_ascent = bdf_font->default_ascent; | |
796 | ||
f7b9d4d1 JR |
797 | /* Set global flag fonts_changed_p to non-zero if the font loaded |
798 | has a character with a smaller width than any other character | |
799 | before, or if the font loaded has a smaller height than any | |
800 | other font loaded before. If this happens, it will make a | |
801 | glyph matrix reallocation necessary. */ | |
802 | fonts_changed_p |= x_compute_min_glyph_bounds (f); | |
803 | ||
7b416d42 GV |
804 | UNBLOCK_INPUT; |
805 | dpyinfo->n_fonts++; | |
806 | return fontp; | |
807 | } | |
808 | ||
19474e26 | 809 | /* Check a file for an XLFD string describing it. */ |
7b416d42 GV |
810 | int w32_BDF_to_x_font (char *file, char* xstr, int len) |
811 | { | |
812 | HANDLE hfile, hfilemap; | |
813 | BY_HANDLE_FILE_INFORMATION fileinfo; | |
cc26af75 | 814 | char *font, *start, *p, *q; |
7b416d42 GV |
815 | int flag, size, retval = 0; |
816 | ||
817 | hfile = CreateFile (file, GENERIC_READ, FILE_SHARE_READ, NULL, | |
818 | OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); | |
819 | if (hfile == INVALID_HANDLE_VALUE) return 0; | |
820 | if (!GetFileInformationByHandle(hfile, &fileinfo) || | |
821 | (fileinfo.nFileSizeHigh != 0) || | |
822 | (fileinfo.nFileSizeLow > BDF_FILE_SIZE_MAX)) | |
823 | { | |
824 | CloseHandle (hfile); | |
825 | return 0; | |
826 | } | |
827 | size = fileinfo.nFileSizeLow; | |
828 | ||
829 | hfilemap = CreateFileMapping (hfile, NULL, PAGE_READONLY, 0, 0, NULL); | |
830 | if (hfilemap == INVALID_HANDLE_VALUE) | |
831 | { | |
832 | CloseHandle (hfile); | |
833 | return 0; | |
834 | } | |
835 | ||
836 | font = MapViewOfFile (hfilemap, FILE_MAP_READ, 0, 0, 0); | |
837 | if (!font) | |
838 | { | |
839 | CloseHandle (hfile); | |
840 | CloseHandle (hfilemap); | |
841 | return 0; | |
842 | } | |
843 | start = font; | |
844 | ||
845 | flag = proceed_file_line ("FONT ", start, &size, &p, &q); | |
846 | if (flag) | |
847 | { | |
848 | /* If font provides a description of itself, check it is a | |
849 | full XLFD before accepting it. */ | |
850 | int count = 0; | |
851 | char *s; | |
852 | ||
853 | for (s = p; s < q; s++) | |
854 | if (*s == '\n') | |
855 | break; | |
856 | else if (*s == '-') | |
857 | count++; | |
858 | if (count == 14 && q - p - 1 <= len) | |
859 | { | |
860 | strncpy (xstr, p, q-p-1); | |
861 | xstr[q-p-1] = '\0'; | |
862 | /* Files may have DOS line ends (ie still ^M on end). */ | |
863 | if (iscntrl(xstr[q-p-2])) | |
864 | xstr[q-p-2] = '\0'; | |
865 | ||
866 | retval = 1; | |
867 | } | |
868 | } | |
869 | CloseHandle (hfile); | |
870 | CloseHandle (hfilemap); | |
871 | return retval; | |
872 | } | |
ab5796a9 MB |
873 | |
874 | /* arch-tag: 2e9a45de-0c54-4a0e-95c8-2d67b2b1fa32 | |
875 | (do not change this comment) */ |