Commit | Line | Data |
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f7a84cb4 | 1 | /* Font backend for the Microsoft W32 API. |
7e14d905 | 2 | Copyright (C) 2007, 2008 Free Software Foundation, Inc. |
f7a84cb4 JR |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
9ec0b715 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
f7a84cb4 | 7 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
f7a84cb4 JR |
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 | |
9ec0b715 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
f7a84cb4 JR |
18 | |
19 | #include <config.h> | |
20 | #include <windows.h> | |
09fe06b7 | 21 | #include <math.h> |
0500dcc9 | 22 | #include <ctype.h> |
6fe9826d | 23 | #include <commdlg.h> |
f7a84cb4 JR |
24 | |
25 | #include "lisp.h" | |
26 | #include "w32term.h" | |
27 | #include "frame.h" | |
28 | #include "dispextern.h" | |
29 | #include "character.h" | |
30 | #include "charset.h" | |
31 | #include "fontset.h" | |
32 | #include "font.h" | |
46fd1ded | 33 | #include "w32font.h" |
f7a84cb4 | 34 | |
91583281 JR |
35 | /* Cleartype available on Windows XP, cleartype_natural from XP SP1. |
36 | The latter does not try to fit cleartype smoothed fonts into the | |
37 | same bounding box as the non-antialiased version of the font. | |
38 | */ | |
39 | #ifndef CLEARTYPE_QUALITY | |
40 | #define CLEARTYPE_QUALITY 5 | |
41 | #endif | |
42 | #ifndef CLEARTYPE_NATURAL_QUALITY | |
43 | #define CLEARTYPE_NATURAL_QUALITY 6 | |
44 | #endif | |
45 | ||
f7a84cb4 JR |
46 | extern struct font_driver w32font_driver; |
47 | ||
91583281 | 48 | Lisp_Object Qgdi; |
34fd2d28 JR |
49 | Lisp_Object Quniscribe; |
50 | static Lisp_Object QCformat; | |
9e1a2995 JR |
51 | static Lisp_Object Qmonospace, Qsansserif, Qmono, Qsans, Qsans_serif; |
52 | static Lisp_Object Qserif, Qscript, Qdecorative; | |
53 | static Lisp_Object Qraster, Qoutline, Qunknown; | |
d205d43b | 54 | |
91583281 | 55 | /* antialiasing */ |
5f18d119 | 56 | extern Lisp_Object QCantialias, QCotf, QClang; /* defined in font.c */ |
91583281 JR |
57 | extern Lisp_Object Qnone; /* reuse from w32fns.c */ |
58 | static Lisp_Object Qstandard, Qsubpixel, Qnatural; | |
59 | ||
8f112d52 JR |
60 | /* languages */ |
61 | static Lisp_Object Qja, Qko, Qzh; | |
62 | ||
d205d43b JR |
63 | /* scripts */ |
64 | static Lisp_Object Qlatin, Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew; | |
65 | static Lisp_Object Qarabic, Qsyriac, Qnko, Qthaana, Qdevanagari, Qbengali; | |
66 | static Lisp_Object Qgurmukhi, Qgujarati, Qoriya, Qtamil, Qtelugu; | |
67 | static Lisp_Object Qkannada, Qmalayalam, Qsinhala, Qthai, Qlao; | |
68 | static Lisp_Object Qtibetan, Qmyanmar, Qgeorgian, Qhangul, Qethiopic; | |
69 | static Lisp_Object Qcherokee, Qcanadian_aboriginal, Qogham, Qrunic; | |
70 | static Lisp_Object Qkhmer, Qmongolian, Qsymbol, Qbraille, Qhan; | |
71 | static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo; | |
72 | static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol; | |
73 | static Lisp_Object Qmusical_symbol, Qmathematical; | |
56df6710 JR |
74 | /* Not defined in characters.el, but referenced in fontset.el. */ |
75 | static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot; | |
76 | static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi; | |
77 | static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya; | |
78 | static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri; | |
79 | static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic; | |
80 | /* Only defined here, but useful for distinguishing IPA capable fonts. */ | |
81 | static Lisp_Object Qphonetic; | |
d205d43b JR |
82 | |
83 | /* Font spacing symbols - defined in font.c. */ | |
84 | extern Lisp_Object Qc, Qp, Qm; | |
f7a84cb4 | 85 | |
8f112d52 | 86 | static void fill_in_logfont P_ ((FRAME_PTR, LOGFONT *, Lisp_Object)); |
f7a84cb4 | 87 | |
8f112d52 JR |
88 | static BYTE w32_antialias_type P_ ((Lisp_Object)); |
89 | static Lisp_Object lispy_antialias_type P_ ((BYTE)); | |
91583281 | 90 | |
8f112d52 JR |
91 | static Lisp_Object font_supported_scripts P_ ((FONTSIGNATURE *)); |
92 | static int w32font_full_name P_ ((LOGFONT *, Lisp_Object, int, char *, int)); | |
93 | static void compute_metrics P_ ((HDC, struct w32font_info *, unsigned int, | |
94 | struct w32_metric_cache *)); | |
95 | static void clear_cached_metrics P_ ((struct w32font_info *)); | |
f7a84cb4 | 96 | |
8f112d52 | 97 | static Lisp_Object w32_registry P_ ((LONG, DWORD)); |
f7a84cb4 JR |
98 | |
99 | /* EnumFontFamiliesEx callbacks. */ | |
100 | static int CALLBACK add_font_entity_to_list P_ ((ENUMLOGFONTEX *, | |
101 | NEWTEXTMETRICEX *, | |
102 | DWORD, LPARAM)); | |
103 | static int CALLBACK add_one_font_entity_to_list P_ ((ENUMLOGFONTEX *, | |
104 | NEWTEXTMETRICEX *, | |
105 | DWORD, LPARAM)); | |
106 | static int CALLBACK add_font_name_to_list P_ ((ENUMLOGFONTEX *, | |
107 | NEWTEXTMETRICEX *, | |
108 | DWORD, LPARAM)); | |
109 | ||
d205d43b JR |
110 | /* struct passed in as LPARAM arg to EnumFontFamiliesEx, for keeping track |
111 | of what we really want. */ | |
112 | struct font_callback_data | |
113 | { | |
114 | /* The logfont we are matching against. EnumFontFamiliesEx only matches | |
115 | face name and charset, so we need to manually match everything else | |
116 | in the callback function. */ | |
117 | LOGFONT pattern; | |
118 | /* The original font spec or entity. */ | |
119 | Lisp_Object orig_font_spec; | |
120 | /* The frame the font is being loaded on. */ | |
121 | Lisp_Object frame; | |
122 | /* The list to add matches to. */ | |
123 | Lisp_Object list; | |
46fd1ded JR |
124 | /* Whether to match only opentype fonts. */ |
125 | int opentype_only; | |
d205d43b JR |
126 | }; |
127 | ||
128 | /* Handles the problem that EnumFontFamiliesEx will not return all | |
129 | style variations if the font name is not specified. */ | |
8f112d52 | 130 | static void list_all_matching_fonts P_ ((struct font_callback_data *)); |
d205d43b | 131 | |
34fd2d28 | 132 | /* From old font code in w32fns.c */ |
8f112d52 | 133 | char * w32_to_x_charset P_ ((int, char *)); |
d205d43b | 134 | |
f7a84cb4 JR |
135 | |
136 | static int | |
137 | memq_no_quit (elt, list) | |
138 | Lisp_Object elt, list; | |
139 | { | |
140 | while (CONSP (list) && ! EQ (XCAR (list), elt)) | |
141 | list = XCDR (list); | |
142 | return (CONSP (list)); | |
143 | } | |
144 | ||
145 | /* w32 implementation of get_cache for font backend. | |
146 | Return a cache of font-entities on FRAME. The cache must be a | |
147 | cons whose cdr part is the actual cache area. */ | |
46fd1ded | 148 | Lisp_Object |
a4c71909 KH |
149 | w32font_get_cache (f) |
150 | FRAME_PTR f; | |
f7a84cb4 | 151 | { |
a4c71909 | 152 | struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
f7a84cb4 JR |
153 | |
154 | return (dpyinfo->name_list_element); | |
155 | } | |
156 | ||
157 | /* w32 implementation of list for font backend. | |
158 | List fonts exactly matching with FONT_SPEC on FRAME. The value | |
159 | is a vector of font-entities. This is the sole API that | |
160 | allocates font-entities. */ | |
20399669 JR |
161 | static Lisp_Object |
162 | w32font_list (frame, font_spec) | |
163 | Lisp_Object frame, font_spec; | |
f7a84cb4 | 164 | { |
07d9ba9b JR |
165 | Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0); |
166 | font_add_log ("w32font-list", font_spec, fonts); | |
167 | return fonts; | |
f7a84cb4 JR |
168 | } |
169 | ||
170 | /* w32 implementation of match for font backend. | |
171 | Return a font entity most closely matching with FONT_SPEC on | |
172 | FRAME. The closeness is detemined by the font backend, thus | |
173 | `face-font-selection-order' is ignored here. */ | |
20399669 JR |
174 | static Lisp_Object |
175 | w32font_match (frame, font_spec) | |
176 | Lisp_Object frame, font_spec; | |
f7a84cb4 | 177 | { |
07d9ba9b JR |
178 | Lisp_Object entity = w32font_match_internal (frame, font_spec, 0); |
179 | font_add_log ("w32font-match", font_spec, entity); | |
180 | return entity; | |
f7a84cb4 JR |
181 | } |
182 | ||
f7a84cb4 JR |
183 | /* w32 implementation of list_family for font backend. |
184 | List available families. The value is a list of family names | |
185 | (symbols). */ | |
20399669 JR |
186 | static Lisp_Object |
187 | w32font_list_family (frame) | |
188 | Lisp_Object frame; | |
f7a84cb4 JR |
189 | { |
190 | Lisp_Object list = Qnil; | |
191 | LOGFONT font_match_pattern; | |
192 | HDC dc; | |
193 | FRAME_PTR f = XFRAME (frame); | |
194 | ||
195 | bzero (&font_match_pattern, sizeof (font_match_pattern)); | |
56df6710 | 196 | font_match_pattern.lfCharSet = DEFAULT_CHARSET; |
f7a84cb4 JR |
197 | |
198 | dc = get_frame_dc (f); | |
199 | ||
200 | EnumFontFamiliesEx (dc, &font_match_pattern, | |
201 | (FONTENUMPROC) add_font_name_to_list, | |
202 | (LPARAM) &list, 0); | |
203 | release_frame_dc (f, dc); | |
204 | ||
205 | return list; | |
206 | } | |
207 | ||
208 | /* w32 implementation of open for font backend. | |
209 | Open a font specified by FONT_ENTITY on frame F. | |
210 | If the font is scalable, open it with PIXEL_SIZE. */ | |
5f18d119 | 211 | static Lisp_Object |
20399669 JR |
212 | w32font_open (f, font_entity, pixel_size) |
213 | FRAME_PTR f; | |
214 | Lisp_Object font_entity; | |
215 | int pixel_size; | |
f7a84cb4 | 216 | { |
5f18d119 | 217 | Lisp_Object font_object; |
f7a84cb4 | 218 | |
5f18d119 | 219 | font_object = font_make_object (VECSIZE (struct w32font_info)); |
f7a84cb4 | 220 | |
5f18d119 | 221 | if (!w32font_open_internal (f, font_entity, pixel_size, font_object)) |
f7a84cb4 | 222 | { |
5f18d119 | 223 | return Qnil; |
f7a84cb4 JR |
224 | } |
225 | ||
5f18d119 | 226 | return font_object; |
f7a84cb4 JR |
227 | } |
228 | ||
229 | /* w32 implementation of close for font_backend. | |
230 | Close FONT on frame F. */ | |
46fd1ded | 231 | void |
20399669 JR |
232 | w32font_close (f, font) |
233 | FRAME_PTR f; | |
234 | struct font *font; | |
f7a84cb4 | 235 | { |
5f18d119 | 236 | struct w32font_info *w32_font = (struct w32font_info *) font; |
1b5defe6 | 237 | DeleteObject (w32_font->hfont); |
f7a84cb4 JR |
238 | } |
239 | ||
240 | /* w32 implementation of has_char for font backend. | |
241 | Optional. | |
242 | If FONT_ENTITY has a glyph for character C (Unicode code point), | |
243 | return 1. If not, return 0. If a font must be opened to check | |
244 | it, return -1. */ | |
46fd1ded | 245 | int |
20399669 JR |
246 | w32font_has_char (entity, c) |
247 | Lisp_Object entity; | |
248 | int c; | |
f7a84cb4 | 249 | { |
d205d43b | 250 | Lisp_Object supported_scripts, extra, script; |
f7a84cb4 JR |
251 | DWORD mask; |
252 | ||
01dbeb0b JR |
253 | extra = AREF (entity, FONT_EXTRA_INDEX); |
254 | if (!CONSP (extra)) | |
255 | return -1; | |
256 | ||
d205d43b JR |
257 | supported_scripts = assq_no_quit (QCscript, extra); |
258 | if (!CONSP (supported_scripts)) | |
f7a84cb4 JR |
259 | return -1; |
260 | ||
d205d43b | 261 | supported_scripts = XCDR (supported_scripts); |
f7a84cb4 | 262 | |
d205d43b | 263 | script = CHAR_TABLE_REF (Vchar_script_table, c); |
f7a84cb4 | 264 | |
34fd2d28 | 265 | return (memq_no_quit (script, supported_scripts)) ? -1 : 0; |
f7a84cb4 JR |
266 | } |
267 | ||
268 | /* w32 implementation of encode_char for font backend. | |
269 | Return a glyph code of FONT for characer C (Unicode code point). | |
270 | If FONT doesn't have such a glyph, return FONT_INVALID_CODE. */ | |
34fd2d28 | 271 | static unsigned |
20399669 JR |
272 | w32font_encode_char (font, c) |
273 | struct font *font; | |
274 | int c; | |
f7a84cb4 | 275 | { |
34fd2d28 JR |
276 | struct frame *f; |
277 | HDC dc; | |
278 | HFONT old_font; | |
279 | DWORD retval; | |
280 | GCP_RESULTSW result; | |
281 | wchar_t in[2]; | |
282 | wchar_t out[2]; | |
283 | int len; | |
284 | struct w32font_info *w32_font = (struct w32font_info *) font; | |
285 | ||
286 | /* If glyph indexing is not working for this font, just return the | |
287 | unicode code-point. */ | |
288 | if (!w32_font->glyph_idx) | |
289 | return c; | |
290 | ||
291 | if (c > 0xFFFF) | |
292 | { | |
293 | /* TODO: Encode as surrogate pair and lookup the glyph. */ | |
294 | return FONT_INVALID_CODE; | |
295 | } | |
296 | else | |
297 | { | |
298 | in[0] = (wchar_t) c; | |
299 | len = 1; | |
300 | } | |
301 | ||
302 | bzero (&result, sizeof (result)); | |
303 | result.lStructSize = sizeof (result); | |
304 | result.lpGlyphs = out; | |
305 | result.nGlyphs = 2; | |
306 | ||
307 | f = XFRAME (selected_frame); | |
308 | ||
309 | dc = get_frame_dc (f); | |
1b5defe6 | 310 | old_font = SelectObject (dc, w32_font->hfont); |
34fd2d28 | 311 | |
f42adef6 JR |
312 | /* GetCharacterPlacement is used here rather than GetGlyphIndices because |
313 | it is supported on Windows NT 4 and 9x/ME. But it cannot reliably report | |
314 | missing glyphs, see below for workaround. */ | |
34fd2d28 JR |
315 | retval = GetCharacterPlacementW (dc, in, len, 0, &result, 0); |
316 | ||
317 | SelectObject (dc, old_font); | |
318 | release_frame_dc (f, dc); | |
319 | ||
320 | if (retval) | |
321 | { | |
f42adef6 JR |
322 | if (result.nGlyphs != 1 || !result.lpGlyphs[0] |
323 | /* GetCharacterPlacementW seems to return 3, which seems to be | |
324 | the space glyph in most/all truetype fonts, instead of 0 | |
325 | for unsupported glyphs. */ | |
326 | || (result.lpGlyphs[0] == 3 && !iswspace (in[0]))) | |
34fd2d28 JR |
327 | return FONT_INVALID_CODE; |
328 | return result.lpGlyphs[0]; | |
329 | } | |
330 | else | |
331 | { | |
332 | int i; | |
333 | /* Mark this font as not supporting glyph indices. This can happen | |
334 | on Windows9x, and maybe with non-Truetype fonts on NT etc. */ | |
335 | w32_font->glyph_idx = 0; | |
8f112d52 JR |
336 | /* Clear metrics cache. */ |
337 | clear_cached_metrics (w32_font); | |
34fd2d28 JR |
338 | |
339 | return c; | |
340 | } | |
f7a84cb4 JR |
341 | } |
342 | ||
343 | /* w32 implementation of text_extents for font backend. | |
344 | Perform the size computation of glyphs of FONT and fillin members | |
345 | of METRICS. The glyphs are specified by their glyph codes in | |
78573c57 | 346 | CODE (length NGLYPHS). Apparently metrics can be NULL, in this |
f7a84cb4 | 347 | case just return the overall width. */ |
46fd1ded | 348 | int |
20399669 JR |
349 | w32font_text_extents (font, code, nglyphs, metrics) |
350 | struct font *font; | |
351 | unsigned *code; | |
352 | int nglyphs; | |
353 | struct font_metrics *metrics; | |
f7a84cb4 JR |
354 | { |
355 | int i; | |
2a36efcf JR |
356 | HFONT old_font = NULL; |
357 | HDC dc = NULL; | |
46fd1ded | 358 | struct frame * f; |
f7a84cb4 | 359 | int total_width = 0; |
8f112d52 | 360 | WORD *wcode = NULL; |
d205d43b | 361 | SIZE size; |
f7a84cb4 | 362 | |
1b5defe6 JR |
363 | struct w32font_info *w32_font = (struct w32font_info *) font; |
364 | ||
f7a84cb4 JR |
365 | if (metrics) |
366 | { | |
ba93d684 | 367 | bzero (metrics, sizeof (struct font_metrics)); |
388c38f9 JR |
368 | metrics->ascent = font->ascent; |
369 | metrics->descent = font->descent; | |
f7a84cb4 JR |
370 | |
371 | for (i = 0; i < nglyphs; i++) | |
372 | { | |
8f112d52 JR |
373 | struct w32_metric_cache *char_metric; |
374 | int block = *(code + i) / CACHE_BLOCKSIZE; | |
375 | int pos_in_block = *(code + i) % CACHE_BLOCKSIZE; | |
376 | ||
377 | if (block >= w32_font->n_cache_blocks) | |
378 | { | |
379 | if (!w32_font->cached_metrics) | |
380 | w32_font->cached_metrics | |
381 | = xmalloc ((block + 1) | |
382 | * sizeof (struct w32_cached_metric *)); | |
383 | else | |
384 | w32_font->cached_metrics | |
385 | = xrealloc (w32_font->cached_metrics, | |
386 | (block + 1) | |
387 | * sizeof (struct w32_cached_metric *)); | |
388 | bzero (w32_font->cached_metrics + w32_font->n_cache_blocks, | |
389 | ((block + 1 - w32_font->n_cache_blocks) | |
390 | * sizeof (struct w32_cached_metric *))); | |
391 | w32_font->n_cache_blocks = block + 1; | |
392 | } | |
393 | ||
394 | if (!w32_font->cached_metrics[block]) | |
395 | { | |
396 | w32_font->cached_metrics[block] | |
397 | = xmalloc (CACHE_BLOCKSIZE * sizeof (struct font_metrics)); | |
398 | bzero (w32_font->cached_metrics[block], | |
399 | CACHE_BLOCKSIZE * sizeof (struct font_metrics)); | |
400 | } | |
401 | ||
402 | char_metric = w32_font->cached_metrics[block] + pos_in_block; | |
403 | ||
404 | if (char_metric->status == W32METRIC_NO_ATTEMPT) | |
405 | { | |
406 | if (dc == NULL) | |
407 | { | |
408 | /* TODO: Frames can come and go, and their fonts | |
409 | outlive them. So we can't cache the frame in the | |
410 | font structure. Use selected_frame until the API | |
411 | is updated to pass in a frame. */ | |
412 | f = XFRAME (selected_frame); | |
9c623c85 | 413 | |
2a36efcf | 414 | dc = get_frame_dc (f); |
1b5defe6 | 415 | old_font = SelectObject (dc, w32_font->hfont); |
8f112d52 JR |
416 | } |
417 | compute_metrics (dc, w32_font, *(code + i), char_metric); | |
418 | } | |
78573c57 | 419 | |
8f112d52 JR |
420 | if (char_metric->status == W32METRIC_SUCCESS) |
421 | { | |
422 | metrics->lbearing = min (metrics->lbearing, | |
423 | metrics->width + char_metric->lbearing); | |
424 | metrics->rbearing = max (metrics->rbearing, | |
425 | metrics->width + char_metric->rbearing); | |
426 | metrics->width += char_metric->width; | |
427 | } | |
428 | else | |
429 | /* If we couldn't get metrics for a char, | |
430 | use alternative method. */ | |
431 | break; | |
432 | } | |
78573c57 JR |
433 | /* If we got through everything, return. */ |
434 | if (i == nglyphs) | |
435 | { | |
2a36efcf JR |
436 | if (dc != NULL) |
437 | { | |
438 | /* Restore state and release DC. */ | |
439 | SelectObject (dc, old_font); | |
440 | release_frame_dc (f, dc); | |
441 | } | |
78573c57 JR |
442 | |
443 | return metrics->width; | |
444 | } | |
f7a84cb4 | 445 | } |
78573c57 | 446 | |
56df6710 JR |
447 | /* For non-truetype fonts, GetGlyphOutlineW is not supported, so |
448 | fallback on other methods that will at least give some of the metric | |
449 | information. */ | |
8f112d52 JR |
450 | if (!wcode) { |
451 | wcode = alloca (nglyphs * sizeof (WORD)); | |
452 | for (i = 0; i < nglyphs; i++) | |
453 | { | |
454 | if (code[i] < 0x10000) | |
455 | wcode[i] = code[i]; | |
456 | else | |
457 | { | |
458 | /* TODO: Convert to surrogate, reallocating array if needed */ | |
459 | wcode[i] = 0xffff; | |
460 | } | |
461 | } | |
462 | } | |
2a36efcf JR |
463 | if (dc == NULL) |
464 | { | |
8f112d52 JR |
465 | /* TODO: Frames can come and go, and their fonts outlive |
466 | them. So we can't cache the frame in the font structure. Use | |
467 | selected_frame until the API is updated to pass in a | |
468 | frame. */ | |
469 | f = XFRAME (selected_frame); | |
470 | ||
2a36efcf | 471 | dc = get_frame_dc (f); |
1b5defe6 | 472 | old_font = SelectObject (dc, w32_font->hfont); |
2a36efcf JR |
473 | } |
474 | ||
d205d43b | 475 | if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size)) |
f7a84cb4 | 476 | { |
d205d43b | 477 | total_width = size.cx; |
f7a84cb4 JR |
478 | } |
479 | ||
56df6710 JR |
480 | /* On 95/98/ME, only some unicode functions are available, so fallback |
481 | on doing a dummy draw to find the total width. */ | |
d205d43b | 482 | if (!total_width) |
f7a84cb4 JR |
483 | { |
484 | RECT rect; | |
5f18d119 | 485 | rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1; |
f7a84cb4 JR |
486 | DrawTextW (dc, wcode, nglyphs, &rect, |
487 | DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE); | |
488 | total_width = rect.right; | |
489 | } | |
d205d43b | 490 | |
56df6710 | 491 | /* Give our best estimate of the metrics, based on what we know. */ |
78573c57 JR |
492 | if (metrics) |
493 | { | |
494 | metrics->width = total_width; | |
78573c57 JR |
495 | metrics->lbearing = 0; |
496 | metrics->rbearing = total_width | |
497 | + ((struct w32font_info *) font)->metrics.tmOverhang; | |
498 | } | |
499 | ||
f7a84cb4 JR |
500 | /* Restore state and release DC. */ |
501 | SelectObject (dc, old_font); | |
46fd1ded | 502 | release_frame_dc (f, dc); |
f7a84cb4 JR |
503 | |
504 | return total_width; | |
505 | } | |
506 | ||
507 | /* w32 implementation of draw for font backend. | |
508 | Optional. | |
509 | Draw glyphs between FROM and TO of S->char2b at (X Y) pixel | |
510 | position of frame F with S->FACE and S->GC. If WITH_BACKGROUND | |
511 | is nonzero, fill the background in advance. It is assured that | |
a74ddbda JR |
512 | WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars). |
513 | ||
514 | TODO: Currently this assumes that the colors and fonts are already | |
515 | set in the DC. This seems to be true now, but maybe only due to | |
516 | the old font code setting it up. It may be safer to resolve faces | |
517 | and fonts in here and set them explicitly | |
518 | */ | |
519 | ||
46fd1ded | 520 | int |
20399669 JR |
521 | w32font_draw (s, from, to, x, y, with_background) |
522 | struct glyph_string *s; | |
523 | int from, to, x, y, with_background; | |
f7a84cb4 | 524 | { |
34fd2d28 | 525 | UINT options; |
5c2c9c79 | 526 | HRGN orig_clip; |
5f18d119 | 527 | struct w32font_info *w32font = (struct w32font_info *) s->font; |
34fd2d28 JR |
528 | |
529 | options = w32font->glyph_idx; | |
5c2c9c79 JR |
530 | |
531 | /* Save clip region for later restoration. */ | |
532 | GetClipRgn(s->hdc, orig_clip); | |
533 | ||
534 | if (s->num_clips > 0) | |
535 | { | |
536 | HRGN new_clip = CreateRectRgnIndirect (s->clip); | |
537 | ||
538 | if (s->num_clips > 1) | |
539 | { | |
540 | HRGN clip2 = CreateRectRgnIndirect (s->clip + 1); | |
541 | ||
542 | CombineRgn (new_clip, new_clip, clip2, RGN_OR); | |
543 | DeleteObject (clip2); | |
544 | } | |
545 | ||
546 | SelectClipRgn (s->hdc, new_clip); | |
547 | DeleteObject (new_clip); | |
548 | } | |
f7a84cb4 | 549 | |
fb3b8017 JR |
550 | /* Using OPAQUE background mode can clear more background than expected |
551 | when Cleartype is used. Draw the background manually to avoid this. */ | |
552 | SetBkMode (s->hdc, TRANSPARENT); | |
f7a84cb4 JR |
553 | if (with_background) |
554 | { | |
1065a502 JR |
555 | HBRUSH brush; |
556 | RECT rect; | |
5f18d119 | 557 | struct font *font = s->font; |
1065a502 JR |
558 | |
559 | brush = CreateSolidBrush (s->gc->background); | |
560 | rect.left = x; | |
fb3b8017 | 561 | rect.top = y - font->ascent; |
1065a502 | 562 | rect.right = x + s->width; |
fb3b8017 | 563 | rect.bottom = y + font->descent; |
1065a502 | 564 | FillRect (s->hdc, &rect, brush); |
f2b25c0e | 565 | DeleteObject (brush); |
f7a84cb4 | 566 | } |
040fe918 | 567 | |
de63f07f KH |
568 | if (s->padding_p) |
569 | { | |
570 | int len = to - from, i; | |
571 | ||
572 | for (i = 0; i < len; i++) | |
573 | ExtTextOutW (s->hdc, x + i, y, options, NULL, | |
8501c48b | 574 | s->char2b + from + i, 1, NULL); |
de63f07f KH |
575 | } |
576 | else | |
577 | ExtTextOutW (s->hdc, x, y, options, NULL, s->char2b + from, to - from, NULL); | |
5c2c9c79 JR |
578 | |
579 | /* Restore clip region. */ | |
580 | if (s->num_clips > 0) | |
581 | { | |
582 | SelectClipRgn (s->hdc, orig_clip); | |
583 | } | |
f7a84cb4 JR |
584 | } |
585 | ||
586 | /* w32 implementation of free_entity for font backend. | |
587 | Optional (if FONT_EXTRA_INDEX is not Lisp_Save_Value). | |
588 | Free FONT_EXTRA_INDEX field of FONT_ENTITY. | |
20399669 JR |
589 | static void |
590 | w32font_free_entity (Lisp_Object entity); | |
f7a84cb4 JR |
591 | */ |
592 | ||
593 | /* w32 implementation of prepare_face for font backend. | |
594 | Optional (if FACE->extra is not used). | |
595 | Prepare FACE for displaying characters by FONT on frame F by | |
596 | storing some data in FACE->extra. If successful, return 0. | |
597 | Otherwise, return -1. | |
20399669 JR |
598 | static int |
599 | w32font_prepare_face (FRAME_PTR f, struct face *face); | |
f7a84cb4 JR |
600 | */ |
601 | /* w32 implementation of done_face for font backend. | |
602 | Optional. | |
603 | Done FACE for displaying characters by FACE->font on frame F. | |
20399669 JR |
604 | static void |
605 | w32font_done_face (FRAME_PTR f, struct face *face); */ | |
f7a84cb4 JR |
606 | |
607 | /* w32 implementation of get_bitmap for font backend. | |
608 | Optional. | |
609 | Store bitmap data for glyph-code CODE of FONT in BITMAP. It is | |
f2b25c0e | 610 | intended that this method is called from the other font-driver |
f7a84cb4 | 611 | for actual drawing. |
20399669 JR |
612 | static int |
613 | w32font_get_bitmap (struct font *font, unsigned code, | |
614 | struct font_bitmap *bitmap, int bits_per_pixel); | |
f7a84cb4 JR |
615 | */ |
616 | /* w32 implementation of free_bitmap for font backend. | |
617 | Optional. | |
618 | Free bitmap data in BITMAP. | |
20399669 JR |
619 | static void |
620 | w32font_free_bitmap (struct font *font, struct font_bitmap *bitmap); | |
f7a84cb4 JR |
621 | */ |
622 | /* w32 implementation of get_outline for font backend. | |
623 | Optional. | |
624 | Return an outline data for glyph-code CODE of FONT. The format | |
625 | of the outline data depends on the font-driver. | |
20399669 JR |
626 | static void * |
627 | w32font_get_outline (struct font *font, unsigned code); | |
f7a84cb4 JR |
628 | */ |
629 | /* w32 implementation of free_outline for font backend. | |
630 | Optional. | |
631 | Free OUTLINE (that is obtained by the above method). | |
20399669 JR |
632 | static void |
633 | w32font_free_outline (struct font *font, void *outline); | |
f7a84cb4 JR |
634 | */ |
635 | /* w32 implementation of anchor_point for font backend. | |
636 | Optional. | |
637 | Get coordinates of the INDEXth anchor point of the glyph whose | |
638 | code is CODE. Store the coordinates in *X and *Y. Return 0 if | |
639 | the operations was successfull. Otherwise return -1. | |
20399669 JR |
640 | static int |
641 | w32font_anchor_point (struct font *font, unsigned code, | |
f7a84cb4 JR |
642 | int index, int *x, int *y); |
643 | */ | |
644 | /* w32 implementation of otf_capability for font backend. | |
645 | Optional. | |
646 | Return a list describing which scripts/languages FONT | |
647 | supports by which GSUB/GPOS features of OpenType tables. | |
20399669 JR |
648 | static Lisp_Object |
649 | w32font_otf_capability (struct font *font); | |
f7a84cb4 JR |
650 | */ |
651 | /* w32 implementation of otf_drive for font backend. | |
652 | Optional. | |
653 | Apply FONT's OTF-FEATURES to the glyph string. | |
654 | ||
655 | FEATURES specifies which OTF features to apply in this format: | |
656 | (SCRIPT LANGSYS GSUB-FEATURE GPOS-FEATURE) | |
657 | See the documentation of `font-drive-otf' for the detail. | |
658 | ||
659 | This method applies the specified features to the codes in the | |
660 | elements of GSTRING-IN (between FROMth and TOth). The output | |
661 | codes are stored in GSTRING-OUT at the IDXth element and the | |
662 | following elements. | |
663 | ||
664 | Return the number of output codes. If none of the features are | |
665 | applicable to the input data, return 0. If GSTRING-OUT is too | |
666 | short, return -1. | |
20399669 JR |
667 | static int |
668 | w32font_otf_drive (struct font *font, Lisp_Object features, | |
669 | Lisp_Object gstring_in, int from, int to, | |
670 | Lisp_Object gstring_out, int idx, | |
671 | int alternate_subst); | |
f7a84cb4 JR |
672 | */ |
673 | ||
46fd1ded JR |
674 | /* Internal implementation of w32font_list. |
675 | Additional parameter opentype_only restricts the returned fonts to | |
676 | opentype fonts, which can be used with the Uniscribe backend. */ | |
677 | Lisp_Object | |
678 | w32font_list_internal (frame, font_spec, opentype_only) | |
679 | Lisp_Object frame, font_spec; | |
680 | int opentype_only; | |
681 | { | |
682 | struct font_callback_data match_data; | |
683 | HDC dc; | |
684 | FRAME_PTR f = XFRAME (frame); | |
685 | ||
686 | match_data.orig_font_spec = font_spec; | |
687 | match_data.list = Qnil; | |
688 | match_data.frame = frame; | |
689 | ||
690 | bzero (&match_data.pattern, sizeof (LOGFONT)); | |
691 | fill_in_logfont (f, &match_data.pattern, font_spec); | |
692 | ||
693 | match_data.opentype_only = opentype_only; | |
694 | if (opentype_only) | |
695 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
696 | ||
697 | if (match_data.pattern.lfFaceName[0] == '\0') | |
698 | { | |
699 | /* EnumFontFamiliesEx does not take other fields into account if | |
700 | font name is blank, so need to use two passes. */ | |
701 | list_all_matching_fonts (&match_data); | |
702 | } | |
703 | else | |
704 | { | |
705 | dc = get_frame_dc (f); | |
706 | ||
707 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
708 | (FONTENUMPROC) add_font_entity_to_list, | |
709 | (LPARAM) &match_data, 0); | |
710 | release_frame_dc (f, dc); | |
711 | } | |
712 | ||
5f18d119 | 713 | return NILP (match_data.list) ? Qnil : match_data.list; |
46fd1ded JR |
714 | } |
715 | ||
716 | /* Internal implementation of w32font_match. | |
717 | Additional parameter opentype_only restricts the returned fonts to | |
718 | opentype fonts, which can be used with the Uniscribe backend. */ | |
719 | Lisp_Object | |
720 | w32font_match_internal (frame, font_spec, opentype_only) | |
721 | Lisp_Object frame, font_spec; | |
722 | int opentype_only; | |
723 | { | |
724 | struct font_callback_data match_data; | |
725 | HDC dc; | |
726 | FRAME_PTR f = XFRAME (frame); | |
727 | ||
728 | match_data.orig_font_spec = font_spec; | |
729 | match_data.frame = frame; | |
730 | match_data.list = Qnil; | |
731 | ||
732 | bzero (&match_data.pattern, sizeof (LOGFONT)); | |
733 | fill_in_logfont (f, &match_data.pattern, font_spec); | |
734 | ||
735 | match_data.opentype_only = opentype_only; | |
736 | if (opentype_only) | |
737 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
738 | ||
739 | dc = get_frame_dc (f); | |
740 | ||
741 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
742 | (FONTENUMPROC) add_one_font_entity_to_list, | |
743 | (LPARAM) &match_data, 0); | |
744 | release_frame_dc (f, dc); | |
745 | ||
746 | return NILP (match_data.list) ? Qnil : XCAR (match_data.list); | |
747 | } | |
748 | ||
f0121ad2 | 749 | int |
5f18d119 | 750 | w32font_open_internal (f, font_entity, pixel_size, font_object) |
f0121ad2 JR |
751 | FRAME_PTR f; |
752 | Lisp_Object font_entity; | |
753 | int pixel_size; | |
5f18d119 | 754 | Lisp_Object font_object; |
f0121ad2 | 755 | { |
5f18d119 | 756 | int len, size, i; |
f0121ad2 JR |
757 | LOGFONT logfont; |
758 | HDC dc; | |
759 | HFONT hfont, old_font; | |
760 | Lisp_Object val, extra; | |
5f18d119 KH |
761 | struct w32font_info *w32_font; |
762 | struct font * font; | |
763 | OUTLINETEXTMETRIC* metrics = NULL; | |
764 | ||
765 | w32_font = (struct w32font_info *) XFONT_OBJECT (font_object); | |
766 | font = (struct font *) w32_font; | |
f0121ad2 | 767 | |
f0121ad2 JR |
768 | if (!font) |
769 | return 0; | |
770 | ||
5f18d119 KH |
771 | /* Copy from font entity. */ |
772 | for (i = 0; i < FONT_ENTITY_MAX; i++) | |
773 | ASET (font_object, i, AREF (font_entity, i)); | |
774 | ASET (font_object, FONT_SIZE_INDEX, make_number (pixel_size)); | |
775 | ||
f0121ad2 JR |
776 | bzero (&logfont, sizeof (logfont)); |
777 | fill_in_logfont (f, &logfont, font_entity); | |
778 | ||
1519d52e JR |
779 | /* Prefer truetype fonts, to avoid known problems with type1 fonts, and |
780 | limitations in bitmap fonts. */ | |
781 | val = AREF (font_entity, FONT_FOUNDRY_INDEX); | |
782 | if (!EQ (val, Qraster)) | |
783 | logfont.lfOutPrecision = OUT_TT_PRECIS; | |
784 | ||
f0121ad2 JR |
785 | size = XINT (AREF (font_entity, FONT_SIZE_INDEX)); |
786 | if (!size) | |
787 | size = pixel_size; | |
788 | ||
789 | logfont.lfHeight = -size; | |
790 | hfont = CreateFontIndirect (&logfont); | |
791 | ||
792 | if (hfont == NULL) | |
793 | return 0; | |
794 | ||
f0121ad2 JR |
795 | /* Get the metrics for this font. */ |
796 | dc = get_frame_dc (f); | |
797 | old_font = SelectObject (dc, hfont); | |
798 | ||
5f18d119 KH |
799 | /* Try getting the outline metrics (only works for truetype fonts). */ |
800 | len = GetOutlineTextMetrics (dc, 0, NULL); | |
801 | if (len) | |
802 | { | |
803 | metrics = (OUTLINETEXTMETRIC *) alloca (len); | |
804 | if (GetOutlineTextMetrics (dc, len, metrics)) | |
805 | bcopy (&metrics->otmTextMetrics, &w32_font->metrics, | |
806 | sizeof (TEXTMETRIC)); | |
807 | else | |
808 | metrics = NULL; | |
943f2093 JR |
809 | |
810 | /* If it supports outline metrics, it should support Glyph Indices. */ | |
811 | w32_font->glyph_idx = ETO_GLYPH_INDEX; | |
5f18d119 | 812 | } |
f0121ad2 | 813 | |
943f2093 JR |
814 | if (!metrics) |
815 | { | |
816 | GetTextMetrics (dc, &w32_font->metrics); | |
817 | w32_font->glyph_idx = 0; | |
818 | } | |
7145be81 | 819 | |
8f112d52 JR |
820 | w32_font->cached_metrics = NULL; |
821 | w32_font->n_cache_blocks = 0; | |
54efdcd1 | 822 | |
f0121ad2 JR |
823 | SelectObject (dc, old_font); |
824 | release_frame_dc (f, dc); | |
34fd2d28 | 825 | |
1b5defe6 | 826 | w32_font->hfont = hfont; |
f0121ad2 | 827 | |
5ace1ec1 JR |
828 | { |
829 | char *name; | |
830 | ||
831 | /* We don't know how much space we need for the full name, so start with | |
832 | 96 bytes and go up in steps of 32. */ | |
833 | len = 96; | |
e3a77b22 | 834 | name = xmalloc (len); |
67997c79 JR |
835 | while (name && w32font_full_name (&logfont, font_entity, pixel_size, |
836 | name, len) < 0) | |
5ace1ec1 | 837 | { |
e3a77b22 | 838 | char *new = xrealloc (name, len += 32); |
5ace1ec1 JR |
839 | |
840 | if (! new) | |
e3a77b22 | 841 | xfree (name); |
5ace1ec1 JR |
842 | name = new; |
843 | } | |
844 | if (name) | |
5f18d119 KH |
845 | font->props[FONT_FULLNAME_INDEX] |
846 | = make_unibyte_string (name, strlen (name)); | |
5ace1ec1 | 847 | else |
5f18d119 KH |
848 | font->props[FONT_FULLNAME_INDEX] = |
849 | make_unibyte_string (logfont.lfFaceName, len); | |
5ace1ec1 | 850 | } |
5f18d119 KH |
851 | |
852 | font->max_width = w32_font->metrics.tmMaxCharWidth; | |
853 | font->height = w32_font->metrics.tmHeight | |
f0121ad2 | 854 | + w32_font->metrics.tmExternalLeading; |
5f18d119 KH |
855 | font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth; |
856 | ||
857 | font->vertical_centering = 0; | |
858 | font->encoding_type = 0; | |
859 | font->baseline_offset = 0; | |
860 | font->relative_compose = 0; | |
861 | font->default_ascent = w32_font->metrics.tmAscent; | |
862 | font->font_encoder = NULL; | |
f0121ad2 JR |
863 | font->pixel_size = size; |
864 | font->driver = &w32font_driver; | |
34fd2d28 JR |
865 | /* Use format cached during list, as the information we have access to |
866 | here is incomplete. */ | |
867 | extra = AREF (font_entity, FONT_EXTRA_INDEX); | |
868 | if (CONSP (extra)) | |
869 | { | |
870 | val = assq_no_quit (QCformat, extra); | |
871 | if (CONSP (val)) | |
5f18d119 | 872 | font->props[FONT_FORMAT_INDEX] = XCDR (val); |
34fd2d28 | 873 | else |
5f18d119 | 874 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 JR |
875 | } |
876 | else | |
5f18d119 | 877 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 | 878 | |
5f18d119 | 879 | font->props[FONT_FILE_INDEX] = Qnil; |
f0121ad2 JR |
880 | font->encoding_charset = -1; |
881 | font->repertory_charset = -1; | |
04b65d2b | 882 | /* TODO: do we really want the minimum width here, which could be negative? */ |
5f18d119 | 883 | font->min_width = font->space_width; |
f0121ad2 JR |
884 | font->ascent = w32_font->metrics.tmAscent; |
885 | font->descent = w32_font->metrics.tmDescent; | |
5f18d119 KH |
886 | |
887 | if (metrics) | |
888 | { | |
889 | font->underline_thickness = metrics->otmsUnderscoreSize; | |
890 | font->underline_position = -metrics->otmsUnderscorePosition; | |
891 | } | |
892 | else | |
893 | { | |
894 | font->underline_thickness = 0; | |
895 | font->underline_position = -1; | |
896 | } | |
f0121ad2 | 897 | |
5f18d119 KH |
898 | /* For temporary compatibility with legacy code that expects the |
899 | name to be usable in x-list-fonts. Eventually we expect to change | |
900 | x-list-fonts and other places that use fonts so that this can be | |
901 | an fcname or similar. */ | |
a30e1957 | 902 | font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil); |
04b65d2b | 903 | |
f0121ad2 JR |
904 | return 1; |
905 | } | |
906 | ||
f7a84cb4 JR |
907 | /* Callback function for EnumFontFamiliesEx. |
908 | * Adds the name of a font to a Lisp list (passed in as the lParam arg). */ | |
20399669 JR |
909 | static int CALLBACK |
910 | add_font_name_to_list (logical_font, physical_font, font_type, list_object) | |
911 | ENUMLOGFONTEX *logical_font; | |
912 | NEWTEXTMETRICEX *physical_font; | |
913 | DWORD font_type; | |
914 | LPARAM list_object; | |
f7a84cb4 JR |
915 | { |
916 | Lisp_Object* list = (Lisp_Object *) list_object; | |
20a2b756 JR |
917 | Lisp_Object family; |
918 | ||
919 | /* Skip vertical fonts (intended only for printing) */ | |
920 | if (logical_font->elfLogFont.lfFaceName[0] == '@') | |
921 | return 1; | |
922 | ||
5f18d119 | 923 | family = font_intern_prop (logical_font->elfLogFont.lfFaceName, |
4cb35b63 | 924 | strlen (logical_font->elfLogFont.lfFaceName), 1); |
f7a84cb4 JR |
925 | if (! memq_no_quit (family, *list)) |
926 | *list = Fcons (family, *list); | |
927 | ||
928 | return 1; | |
929 | } | |
930 | ||
5f18d119 KH |
931 | static int w32_decode_weight P_ ((int)); |
932 | static int w32_encode_weight P_ ((int)); | |
933 | ||
f7a84cb4 | 934 | /* Convert an enumerated Windows font to an Emacs font entity. */ |
20399669 | 935 | static Lisp_Object |
91583281 | 936 | w32_enumfont_pattern_entity (frame, logical_font, physical_font, |
34fd2d28 | 937 | font_type, requested_font, backend) |
d205d43b | 938 | Lisp_Object frame; |
20399669 JR |
939 | ENUMLOGFONTEX *logical_font; |
940 | NEWTEXTMETRICEX *physical_font; | |
941 | DWORD font_type; | |
91583281 | 942 | LOGFONT *requested_font; |
34fd2d28 | 943 | Lisp_Object backend; |
f7a84cb4 JR |
944 | { |
945 | Lisp_Object entity, tem; | |
946 | LOGFONT *lf = (LOGFONT*) logical_font; | |
947 | BYTE generic_type; | |
56df6710 | 948 | DWORD full_type = physical_font->ntmTm.ntmFlags; |
f7a84cb4 | 949 | |
5f18d119 | 950 | entity = font_make_entity (); |
f7a84cb4 | 951 | |
34fd2d28 | 952 | ASET (entity, FONT_TYPE_INDEX, backend); |
c960bff8 | 953 | ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type)); |
f7a84cb4 JR |
954 | ASET (entity, FONT_OBJLIST_INDEX, Qnil); |
955 | ||
956 | /* Foundry is difficult to get in readable form on Windows. | |
d205d43b | 957 | But Emacs crashes if it is not set, so set it to something more |
9c623c85 | 958 | generic. These values make xlfds compatible with Emacs 22. */ |
d205d43b JR |
959 | if (lf->lfOutPrecision == OUT_STRING_PRECIS) |
960 | tem = Qraster; | |
961 | else if (lf->lfOutPrecision == OUT_STROKE_PRECIS) | |
962 | tem = Qoutline; | |
963 | else | |
964 | tem = Qunknown; | |
965 | ||
966 | ASET (entity, FONT_FOUNDRY_INDEX, tem); | |
967 | ||
968 | /* Save the generic family in the extra info, as it is likely to be | |
969 | useful to users looking for a close match. */ | |
f7a84cb4 JR |
970 | generic_type = physical_font->ntmTm.tmPitchAndFamily & 0xF0; |
971 | if (generic_type == FF_DECORATIVE) | |
972 | tem = Qdecorative; | |
973 | else if (generic_type == FF_MODERN) | |
9e1a2995 | 974 | tem = Qmono; |
f7a84cb4 | 975 | else if (generic_type == FF_ROMAN) |
d205d43b | 976 | tem = Qserif; |
f7a84cb4 JR |
977 | else if (generic_type == FF_SCRIPT) |
978 | tem = Qscript; | |
979 | else if (generic_type == FF_SWISS) | |
9e1a2995 | 980 | tem = Qsans; |
f7a84cb4 | 981 | else |
5f18d119 | 982 | tem = Qnil; |
9e1a2995 JR |
983 | |
984 | ASET (entity, FONT_ADSTYLE_INDEX, tem); | |
f7a84cb4 | 985 | |
d205d43b | 986 | if (physical_font->ntmTm.tmPitchAndFamily & 0x01) |
5f18d119 | 987 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL)); |
d205d43b | 988 | else |
ed18e612 | 989 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL)); |
f7a84cb4 | 990 | |
91583281 JR |
991 | if (requested_font->lfQuality != DEFAULT_QUALITY) |
992 | { | |
993 | font_put_extra (entity, QCantialias, | |
994 | lispy_antialias_type (requested_font->lfQuality)); | |
995 | } | |
f7a84cb4 | 996 | ASET (entity, FONT_FAMILY_INDEX, |
4cb35b63 | 997 | font_intern_prop (lf->lfFaceName, strlen (lf->lfFaceName), 1)); |
f7a84cb4 | 998 | |
5f18d119 KH |
999 | FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, |
1000 | make_number (w32_decode_weight (lf->lfWeight))); | |
1001 | FONT_SET_STYLE (entity, FONT_SLANT_INDEX, | |
1002 | make_number (lf->lfItalic ? 200 : 100)); | |
d205d43b JR |
1003 | /* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics |
1004 | to get it. */ | |
5f18d119 | 1005 | FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100)); |
f7a84cb4 | 1006 | |
040fe918 JR |
1007 | if (font_type & RASTER_FONTTYPE) |
1008 | ASET (entity, FONT_SIZE_INDEX, make_number (physical_font->ntmTm.tmHeight)); | |
1009 | else | |
1010 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
f7a84cb4 JR |
1011 | |
1012 | /* Cache unicode codepoints covered by this font, as there is no other way | |
1013 | of getting this information easily. */ | |
040fe918 | 1014 | if (font_type & TRUETYPE_FONTTYPE) |
f7a84cb4 | 1015 | { |
aee986fd JR |
1016 | tem = font_supported_scripts (&physical_font->ntmFontSig); |
1017 | if (!NILP (tem)) | |
1018 | font_put_extra (entity, QCscript, tem); | |
f7a84cb4 | 1019 | } |
d205d43b | 1020 | |
34fd2d28 JR |
1021 | /* This information is not fully available when opening fonts, so |
1022 | save it here. Only Windows 2000 and later return information | |
1023 | about opentype and type1 fonts, so need a fallback for detecting | |
1024 | truetype so that this information is not any worse than we could | |
1025 | have obtained later. */ | |
56df6710 JR |
1026 | if (EQ (backend, Quniscribe) && (full_type & NTMFLAGS_OPENTYPE)) |
1027 | tem = intern ("opentype"); | |
1028 | else if (font_type & TRUETYPE_FONTTYPE) | |
34fd2d28 | 1029 | tem = intern ("truetype"); |
34fd2d28 JR |
1030 | else if (full_type & NTM_PS_OPENTYPE) |
1031 | tem = intern ("postscript"); | |
56df6710 JR |
1032 | else if (full_type & NTM_TYPE1) |
1033 | tem = intern ("type1"); | |
34fd2d28 JR |
1034 | else if (font_type & RASTER_FONTTYPE) |
1035 | tem = intern ("w32bitmap"); | |
1036 | else | |
1037 | tem = intern ("w32vector"); | |
1038 | ||
1039 | font_put_extra (entity, QCformat, tem); | |
1040 | ||
f7a84cb4 JR |
1041 | return entity; |
1042 | } | |
1043 | ||
d205d43b JR |
1044 | |
1045 | /* Convert generic families to the family portion of lfPitchAndFamily. */ | |
1046 | BYTE | |
1047 | w32_generic_family (Lisp_Object name) | |
1048 | { | |
1049 | /* Generic families. */ | |
1050 | if (EQ (name, Qmonospace) || EQ (name, Qmono)) | |
1051 | return FF_MODERN; | |
9e1a2995 | 1052 | else if (EQ (name, Qsans) || EQ (name, Qsans_serif) || EQ (name, Qsansserif)) |
d205d43b JR |
1053 | return FF_SWISS; |
1054 | else if (EQ (name, Qserif)) | |
1055 | return FF_ROMAN; | |
1056 | else if (EQ (name, Qdecorative)) | |
1057 | return FF_DECORATIVE; | |
1058 | else if (EQ (name, Qscript)) | |
1059 | return FF_SCRIPT; | |
1060 | else | |
1061 | return FF_DONTCARE; | |
1062 | } | |
1063 | ||
1064 | static int | |
1065 | logfonts_match (font, pattern) | |
1066 | LOGFONT *font, *pattern; | |
1067 | { | |
1068 | /* Only check height for raster fonts. */ | |
1069 | if (pattern->lfHeight && font->lfOutPrecision == OUT_STRING_PRECIS | |
1070 | && font->lfHeight != pattern->lfHeight) | |
1071 | return 0; | |
1072 | ||
1073 | /* Have some flexibility with weights. */ | |
1074 | if (pattern->lfWeight | |
1075 | && ((font->lfWeight < (pattern->lfWeight - 150)) | |
1076 | || font->lfWeight > (pattern->lfWeight + 150))) | |
1077 | return 0; | |
1078 | ||
1079 | /* Charset and face should be OK. Italic has to be checked | |
1080 | against the original spec, in case we don't have any preference. */ | |
1081 | return 1; | |
1082 | } | |
1083 | ||
4c100a01 JR |
1084 | /* Codepage Bitfields in FONTSIGNATURE struct. */ |
1085 | #define CSB_JAPANESE (1 << 17) | |
1086 | #define CSB_KOREAN ((1 << 19) | (1 << 21)) | |
1087 | #define CSB_CHINESE ((1 << 18) | (1 << 20)) | |
1088 | ||
d205d43b | 1089 | static int |
56df6710 | 1090 | font_matches_spec (type, font, spec, backend, logfont) |
d205d43b JR |
1091 | DWORD type; |
1092 | NEWTEXTMETRICEX *font; | |
1093 | Lisp_Object spec; | |
56df6710 JR |
1094 | Lisp_Object backend; |
1095 | LOGFONT *logfont; | |
d205d43b JR |
1096 | { |
1097 | Lisp_Object extra, val; | |
1098 | ||
1099 | /* Check italic. Can't check logfonts, since it is a boolean field, | |
1100 | so there is no difference between "non-italic" and "don't care". */ | |
5f18d119 KH |
1101 | { |
1102 | int slant = FONT_SLANT_NUMERIC (spec); | |
1103 | ||
1104 | if (slant >= 0 | |
1105 | && ((slant > 150 && !font->ntmTm.tmItalic) | |
1106 | || (slant <= 150 && font->ntmTm.tmItalic))) | |
1107 | return 0; | |
1108 | } | |
d205d43b | 1109 | |
4f2a2ee2 JR |
1110 | /* Check adstyle against generic family. */ |
1111 | val = AREF (spec, FONT_ADSTYLE_INDEX); | |
1112 | if (!NILP (val)) | |
1113 | { | |
1114 | BYTE family = w32_generic_family (val); | |
1115 | if (family != FF_DONTCARE | |
1116 | && family != (font->ntmTm.tmPitchAndFamily & 0xF0)) | |
1117 | return 0; | |
1118 | } | |
1119 | ||
5f18d119 KH |
1120 | /* Check spacing */ |
1121 | val = AREF (spec, FONT_SPACING_INDEX); | |
1122 | if (INTEGERP (val)) | |
1123 | { | |
1124 | int spacing = XINT (val); | |
1125 | int proportional = (spacing < FONT_SPACING_MONO); | |
1126 | ||
1127 | if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01)) | |
1128 | || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01))) | |
1129 | return 0; | |
1130 | } | |
1131 | ||
d205d43b JR |
1132 | /* Check extra parameters. */ |
1133 | for (extra = AREF (spec, FONT_EXTRA_INDEX); | |
1134 | CONSP (extra); extra = XCDR (extra)) | |
1135 | { | |
1136 | Lisp_Object extra_entry; | |
1137 | extra_entry = XCAR (extra); | |
1138 | if (CONSP (extra_entry)) | |
1139 | { | |
1140 | Lisp_Object key = XCAR (extra_entry); | |
d205d43b | 1141 | |
5f18d119 KH |
1142 | val = XCDR (extra_entry); |
1143 | if (EQ (key, QCscript) && SYMBOLP (val)) | |
d205d43b JR |
1144 | { |
1145 | /* Only truetype fonts will have information about what | |
1146 | scripts they support. This probably means the user | |
1147 | will have to force Emacs to use raster, postscript | |
1148 | or atm fonts for non-ASCII text. */ | |
1149 | if (type & TRUETYPE_FONTTYPE) | |
1150 | { | |
1151 | Lisp_Object support | |
1152 | = font_supported_scripts (&font->ntmFontSig); | |
1153 | if (! memq_no_quit (val, support)) | |
1154 | return 0; | |
1155 | } | |
1156 | else | |
1157 | { | |
1158 | /* Return specific matches, but play it safe. Fonts | |
1159 | that cover more than their charset would suggest | |
1160 | are likely to be truetype or opentype fonts, | |
1161 | covered above. */ | |
1162 | if (EQ (val, Qlatin)) | |
1163 | { | |
1164 | /* Although every charset but symbol, thai and | |
1165 | arabic contains the basic ASCII set of latin | |
1166 | characters, Emacs expects much more. */ | |
1167 | if (font->ntmTm.tmCharSet != ANSI_CHARSET) | |
1168 | return 0; | |
1169 | } | |
1170 | else if (EQ (val, Qsymbol)) | |
1171 | { | |
1172 | if (font->ntmTm.tmCharSet != SYMBOL_CHARSET) | |
1173 | return 0; | |
1174 | } | |
1175 | else if (EQ (val, Qcyrillic)) | |
1176 | { | |
1177 | if (font->ntmTm.tmCharSet != RUSSIAN_CHARSET) | |
1178 | return 0; | |
1179 | } | |
1180 | else if (EQ (val, Qgreek)) | |
1181 | { | |
1182 | if (font->ntmTm.tmCharSet != GREEK_CHARSET) | |
1183 | return 0; | |
1184 | } | |
1185 | else if (EQ (val, Qarabic)) | |
1186 | { | |
1187 | if (font->ntmTm.tmCharSet != ARABIC_CHARSET) | |
1188 | return 0; | |
1189 | } | |
1190 | else if (EQ (val, Qhebrew)) | |
1191 | { | |
1192 | if (font->ntmTm.tmCharSet != HEBREW_CHARSET) | |
1193 | return 0; | |
1194 | } | |
1195 | else if (EQ (val, Qthai)) | |
1196 | { | |
1197 | if (font->ntmTm.tmCharSet != THAI_CHARSET) | |
1198 | return 0; | |
1199 | } | |
1200 | else if (EQ (val, Qkana)) | |
1201 | { | |
1202 | if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1203 | return 0; | |
1204 | } | |
1205 | else if (EQ (val, Qbopomofo)) | |
1206 | { | |
1207 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET) | |
1208 | return 0; | |
1209 | } | |
1210 | else if (EQ (val, Qhangul)) | |
1211 | { | |
1212 | if (font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1213 | && font->ntmTm.tmCharSet != JOHAB_CHARSET) | |
1214 | return 0; | |
1215 | } | |
1216 | else if (EQ (val, Qhan)) | |
1217 | { | |
1218 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET | |
1219 | && font->ntmTm.tmCharSet != GB2312_CHARSET | |
1220 | && font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1221 | && font->ntmTm.tmCharSet != JOHAB_CHARSET | |
1222 | && font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1223 | return 0; | |
1224 | } | |
1225 | else | |
56df6710 JR |
1226 | /* Other scripts unlikely to be handled by non-truetype |
1227 | fonts. */ | |
d205d43b JR |
1228 | return 0; |
1229 | } | |
1230 | } | |
5f18d119 | 1231 | else if (EQ (key, QClang) && SYMBOLP (val)) |
8f112d52 | 1232 | { |
4c100a01 | 1233 | /* Just handle the CJK languages here, as the lang |
8f112d52 JR |
1234 | parameter is used to select a font with appropriate |
1235 | glyphs in the cjk unified ideographs block. Other fonts | |
1236 | support for a language can be solely determined by | |
1237 | its character coverage. */ | |
1238 | if (EQ (val, Qja)) | |
1239 | { | |
4c100a01 | 1240 | if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE)) |
8f112d52 JR |
1241 | return 0; |
1242 | } | |
1243 | else if (EQ (val, Qko)) | |
1244 | { | |
4c100a01 | 1245 | if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN)) |
8f112d52 JR |
1246 | return 0; |
1247 | } | |
1248 | else if (EQ (val, Qzh)) | |
1249 | { | |
4c100a01 JR |
1250 | if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE)) |
1251 | return 0; | |
8f112d52 JR |
1252 | } |
1253 | else | |
4c100a01 JR |
1254 | /* Any other language, we don't recognize it. Only the above |
1255 | currently appear in fontset.el, so it isn't worth | |
1256 | creating a mapping table of codepages/scripts to languages | |
1257 | or opening the font to see if there are any language tags | |
1258 | in it that the W32 API does not expose. Fontset | |
8f112d52 JR |
1259 | spec should have a fallback, as some backends do |
1260 | not recognize language at all. */ | |
1261 | return 0; | |
1262 | } | |
56df6710 JR |
1263 | else if (EQ (key, QCotf) && CONSP (val)) |
1264 | { | |
1265 | /* OTF features only supported by the uniscribe backend. */ | |
1266 | if (EQ (backend, Quniscribe)) | |
1267 | { | |
1268 | if (!uniscribe_check_otf (logfont, val)) | |
1269 | return 0; | |
1270 | } | |
1271 | else | |
1272 | return 0; | |
1273 | } | |
d205d43b JR |
1274 | } |
1275 | } | |
1276 | return 1; | |
1277 | } | |
1278 | ||
c960bff8 JR |
1279 | static int |
1280 | w32font_coverage_ok (coverage, charset) | |
1281 | FONTSIGNATURE * coverage; | |
1282 | BYTE charset; | |
1283 | { | |
1284 | DWORD subrange1 = coverage->fsUsb[1]; | |
1285 | ||
1286 | #define SUBRANGE1_HAN_MASK 0x08000000 | |
1287 | #define SUBRANGE1_HANGEUL_MASK 0x01000000 | |
1288 | #define SUBRANGE1_JAPANESE_MASK (0x00060000 | SUBRANGE1_HAN_MASK) | |
1289 | ||
1290 | if (charset == GB2312_CHARSET || charset == CHINESEBIG5_CHARSET) | |
1291 | { | |
1292 | return (subrange1 & SUBRANGE1_HAN_MASK) == SUBRANGE1_HAN_MASK; | |
1293 | } | |
1294 | else if (charset == SHIFTJIS_CHARSET) | |
1295 | { | |
1296 | return (subrange1 & SUBRANGE1_JAPANESE_MASK) == SUBRANGE1_JAPANESE_MASK; | |
1297 | } | |
1298 | else if (charset == HANGEUL_CHARSET) | |
1299 | { | |
1300 | return (subrange1 & SUBRANGE1_HANGEUL_MASK) == SUBRANGE1_HANGEUL_MASK; | |
1301 | } | |
1302 | ||
1303 | return 1; | |
1304 | } | |
1305 | ||
f7a84cb4 | 1306 | /* Callback function for EnumFontFamiliesEx. |
d205d43b JR |
1307 | * Checks if a font matches everything we are trying to check agaist, |
1308 | * and if so, adds it to a list. Both the data we are checking against | |
1309 | * and the list to which the fonts are added are passed in via the | |
1310 | * lparam argument, in the form of a font_callback_data struct. */ | |
20399669 | 1311 | static int CALLBACK |
d205d43b | 1312 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam) |
20399669 JR |
1313 | ENUMLOGFONTEX *logical_font; |
1314 | NEWTEXTMETRICEX *physical_font; | |
1315 | DWORD font_type; | |
d205d43b | 1316 | LPARAM lParam; |
f7a84cb4 | 1317 | { |
d205d43b JR |
1318 | struct font_callback_data *match_data |
1319 | = (struct font_callback_data *) lParam; | |
56df6710 | 1320 | Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi; |
f7a84cb4 | 1321 | |
46fd1ded | 1322 | if ((!match_data->opentype_only |
ef8e283d JR |
1323 | || (((physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE) |
1324 | || (font_type & TRUETYPE_FONTTYPE)) | |
1325 | /* For the uniscribe backend, only consider fonts that claim | |
1326 | to cover at least some part of Unicode. */ | |
1327 | && (physical_font->ntmFontSig.fsUsb[3] | |
1328 | || physical_font->ntmFontSig.fsUsb[2] | |
1329 | || physical_font->ntmFontSig.fsUsb[1] | |
1330 | || (physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff)))) | |
46fd1ded | 1331 | && logfonts_match (&logical_font->elfLogFont, &match_data->pattern) |
d205d43b | 1332 | && font_matches_spec (font_type, physical_font, |
56df6710 JR |
1333 | match_data->orig_font_spec, backend, |
1334 | &logical_font->elfLogFont) | |
c960bff8 JR |
1335 | && w32font_coverage_ok (&physical_font->ntmFontSig, |
1336 | match_data->pattern.lfCharSet) | |
4f2a2ee2 JR |
1337 | /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif) |
1338 | We limit this to raster fonts, because the test can catch some | |
1339 | genuine fonts (eg the full name of DejaVu Sans Mono Light is actually | |
1340 | DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will | |
1341 | therefore get through this test. Since full names can be prefixed | |
1342 | by a foundry, we accept raster fonts if the font name is found | |
1343 | anywhere within the full name. */ | |
1344 | && (logical_font->elfLogFont.lfOutPrecision != OUT_STRING_PRECIS | |
1345 | || strstr (logical_font->elfFullName, | |
1346 | logical_font->elfLogFont.lfFaceName))) | |
d205d43b JR |
1347 | { |
1348 | Lisp_Object entity | |
1349 | = w32_enumfont_pattern_entity (match_data->frame, logical_font, | |
91583281 | 1350 | physical_font, font_type, |
34fd2d28 | 1351 | &match_data->pattern, |
56df6710 | 1352 | backend); |
d205d43b | 1353 | if (!NILP (entity)) |
aee986fd JR |
1354 | { |
1355 | Lisp_Object spec_charset = AREF (match_data->orig_font_spec, | |
1356 | FONT_REGISTRY_INDEX); | |
1357 | ||
1358 | /* If registry was specified as iso10646-1, only report | |
1359 | ANSI and DEFAULT charsets, as most unicode fonts will | |
1360 | contain one of those plus others. */ | |
f42adef6 JR |
1361 | if ((EQ (spec_charset, Qiso10646_1) |
1362 | || EQ (spec_charset, Qunicode_bmp) | |
1363 | || EQ (spec_charset, Qunicode_sip)) | |
aee986fd JR |
1364 | && logical_font->elfLogFont.lfCharSet != DEFAULT_CHARSET |
1365 | && logical_font->elfLogFont.lfCharSet != ANSI_CHARSET) | |
1366 | return 1; | |
1367 | /* If registry was specified, but did not map to a windows | |
1368 | charset, only report fonts that have unknown charsets. | |
1369 | This will still report fonts that don't match, but at | |
1370 | least it eliminates known definite mismatches. */ | |
1371 | else if (!NILP (spec_charset) | |
1372 | && !EQ (spec_charset, Qiso10646_1) | |
f42adef6 JR |
1373 | && !EQ (spec_charset, Qunicode_bmp) |
1374 | && !EQ (spec_charset, Qunicode_sip) | |
aee986fd JR |
1375 | && match_data->pattern.lfCharSet == DEFAULT_CHARSET |
1376 | && logical_font->elfLogFont.lfCharSet != DEFAULT_CHARSET) | |
1377 | return 1; | |
1378 | ||
1379 | /* If registry was specified, ensure it is reported as the same. */ | |
1380 | if (!NILP (spec_charset)) | |
1381 | ASET (entity, FONT_REGISTRY_INDEX, spec_charset); | |
1382 | ||
1383 | match_data->list = Fcons (entity, match_data->list); | |
1384 | ||
1385 | /* If no registry specified, duplicate iso8859-1 truetype fonts | |
1386 | as iso10646-1. */ | |
1387 | if (NILP (spec_charset) | |
1388 | && font_type == TRUETYPE_FONTTYPE | |
1389 | && logical_font->elfLogFont.lfCharSet == ANSI_CHARSET) | |
1390 | { | |
1391 | Lisp_Object tem = Fcopy_font_spec (entity); | |
1392 | ASET (tem, FONT_REGISTRY_INDEX, Qiso10646_1); | |
1393 | match_data->list = Fcons (tem, match_data->list); | |
1394 | } | |
1395 | } | |
d205d43b | 1396 | } |
f7a84cb4 JR |
1397 | return 1; |
1398 | } | |
1399 | ||
1400 | /* Callback function for EnumFontFamiliesEx. | |
d205d43b | 1401 | * Terminates the search once we have a match. */ |
20399669 | 1402 | static int CALLBACK |
d205d43b | 1403 | add_one_font_entity_to_list (logical_font, physical_font, font_type, lParam) |
20399669 JR |
1404 | ENUMLOGFONTEX *logical_font; |
1405 | NEWTEXTMETRICEX *physical_font; | |
1406 | DWORD font_type; | |
d205d43b | 1407 | LPARAM lParam; |
f7a84cb4 | 1408 | { |
d205d43b JR |
1409 | struct font_callback_data *match_data |
1410 | = (struct font_callback_data *) lParam; | |
1411 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam); | |
1412 | ||
1413 | /* If we have a font in the list, terminate the search. */ | |
1414 | return !NILP (match_data->list); | |
f7a84cb4 JR |
1415 | } |
1416 | ||
1417 | /* Convert a Lisp font registry (symbol) to a windows charset. */ | |
20399669 JR |
1418 | static LONG |
1419 | registry_to_w32_charset (charset) | |
1420 | Lisp_Object charset; | |
f7a84cb4 JR |
1421 | { |
1422 | if (EQ (charset, Qiso10646_1) || EQ (charset, Qunicode_bmp) | |
1423 | || EQ (charset, Qunicode_sip)) | |
1424 | return DEFAULT_CHARSET; /* UNICODE_CHARSET not defined in MingW32 */ | |
1425 | else if (EQ (charset, Qiso8859_1)) | |
1426 | return ANSI_CHARSET; | |
040fe918 JR |
1427 | else if (SYMBOLP (charset)) |
1428 | return x_to_w32_charset (SDATA (SYMBOL_NAME (charset))); | |
f7a84cb4 JR |
1429 | else |
1430 | return DEFAULT_CHARSET; | |
1431 | } | |
1432 | ||
20399669 | 1433 | static Lisp_Object |
c960bff8 | 1434 | w32_registry (w32_charset, font_type) |
20399669 | 1435 | LONG w32_charset; |
c960bff8 | 1436 | DWORD font_type; |
f7a84cb4 | 1437 | { |
aee986fd JR |
1438 | char *charset; |
1439 | ||
1440 | /* If charset is defaulted, charset is unicode or unknown, depending on | |
1441 | font type. */ | |
c960bff8 | 1442 | if (w32_charset == DEFAULT_CHARSET) |
aee986fd | 1443 | return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown; |
c960bff8 | 1444 | |
aee986fd | 1445 | charset = w32_to_x_charset (w32_charset, NULL); |
4cb35b63 | 1446 | return font_intern_prop (charset, strlen(charset), 1); |
f7a84cb4 JR |
1447 | } |
1448 | ||
5f18d119 KH |
1449 | static int |
1450 | w32_decode_weight (fnweight) | |
1451 | int fnweight; | |
1452 | { | |
1453 | if (fnweight >= FW_HEAVY) return 210; | |
1454 | if (fnweight >= FW_EXTRABOLD) return 205; | |
1455 | if (fnweight >= FW_BOLD) return 200; | |
1456 | if (fnweight >= FW_SEMIBOLD) return 180; | |
1457 | if (fnweight >= FW_NORMAL) return 100; | |
1458 | if (fnweight >= FW_LIGHT) return 50; | |
1459 | if (fnweight >= FW_EXTRALIGHT) return 40; | |
1460 | if (fnweight > FW_THIN) return 20; | |
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | static int | |
1465 | w32_encode_weight (n) | |
1466 | int n; | |
1467 | { | |
1468 | if (n >= 210) return FW_HEAVY; | |
1469 | if (n >= 205) return FW_EXTRABOLD; | |
1470 | if (n >= 200) return FW_BOLD; | |
1471 | if (n >= 180) return FW_SEMIBOLD; | |
1472 | if (n >= 100) return FW_NORMAL; | |
1473 | if (n >= 50) return FW_LIGHT; | |
1474 | if (n >= 40) return FW_EXTRALIGHT; | |
1475 | if (n >= 20) return FW_THIN; | |
1476 | return 0; | |
1477 | } | |
1478 | ||
3ef8c1b4 JR |
1479 | /* Convert a Windows font weight into one of the weights supported |
1480 | by fontconfig (see font.c:font_parse_fcname). */ | |
1481 | static Lisp_Object | |
1482 | w32_to_fc_weight (n) | |
1483 | int n; | |
1484 | { | |
1485 | if (n >= FW_EXTRABOLD) return intern ("black"); | |
1486 | if (n >= FW_BOLD) return intern ("bold"); | |
1487 | if (n >= FW_SEMIBOLD) return intern ("demibold"); | |
1488 | if (n >= FW_NORMAL) return intern ("medium"); | |
1489 | return intern ("light"); | |
1490 | } | |
1491 | ||
f7a84cb4 | 1492 | /* Fill in all the available details of LOGFONT from FONT_SPEC. */ |
20399669 JR |
1493 | static void |
1494 | fill_in_logfont (f, logfont, font_spec) | |
1495 | FRAME_PTR f; | |
1496 | LOGFONT *logfont; | |
1497 | Lisp_Object font_spec; | |
f7a84cb4 | 1498 | { |
d205d43b | 1499 | Lisp_Object tmp, extra; |
f7a84cb4 JR |
1500 | int dpi = FRAME_W32_DISPLAY_INFO (f)->resy; |
1501 | ||
5f18d119 KH |
1502 | tmp = AREF (font_spec, FONT_DPI_INDEX); |
1503 | if (INTEGERP (tmp)) | |
d205d43b | 1504 | { |
5f18d119 KH |
1505 | dpi = XINT (tmp); |
1506 | } | |
1507 | else if (FLOATP (tmp)) | |
1508 | { | |
1509 | dpi = (int) (XFLOAT_DATA (tmp) + 0.5); | |
d205d43b | 1510 | } |
f7a84cb4 JR |
1511 | |
1512 | /* Height */ | |
1513 | tmp = AREF (font_spec, FONT_SIZE_INDEX); | |
1514 | if (INTEGERP (tmp)) | |
040fe918 | 1515 | logfont->lfHeight = -1 * XINT (tmp); |
f7a84cb4 | 1516 | else if (FLOATP (tmp)) |
d205d43b | 1517 | logfont->lfHeight = (int) (-1.0 * dpi * XFLOAT_DATA (tmp) / 72.27 + 0.5); |
f7a84cb4 JR |
1518 | |
1519 | /* Escapement */ | |
1520 | ||
1521 | /* Orientation */ | |
1522 | ||
1523 | /* Weight */ | |
1524 | tmp = AREF (font_spec, FONT_WEIGHT_INDEX); | |
1525 | if (INTEGERP (tmp)) | |
5f18d119 | 1526 | logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec)); |
f7a84cb4 JR |
1527 | |
1528 | /* Italic */ | |
1529 | tmp = AREF (font_spec, FONT_SLANT_INDEX); | |
1530 | if (INTEGERP (tmp)) | |
1531 | { | |
5f18d119 | 1532 | int slant = FONT_SLANT_NUMERIC (font_spec); |
f7a84cb4 JR |
1533 | logfont->lfItalic = slant > 150 ? 1 : 0; |
1534 | } | |
1535 | ||
1536 | /* Underline */ | |
1537 | ||
1538 | /* Strikeout */ | |
1539 | ||
1540 | /* Charset */ | |
1541 | tmp = AREF (font_spec, FONT_REGISTRY_INDEX); | |
1542 | if (! NILP (tmp)) | |
d205d43b | 1543 | logfont->lfCharSet = registry_to_w32_charset (tmp); |
56df6710 JR |
1544 | else |
1545 | logfont->lfCharSet = DEFAULT_CHARSET; | |
f7a84cb4 JR |
1546 | |
1547 | /* Out Precision */ | |
91583281 | 1548 | |
f7a84cb4 | 1549 | /* Clip Precision */ |
91583281 JR |
1550 | |
1551 | /* Quality */ | |
040fe918 JR |
1552 | logfont->lfQuality = DEFAULT_QUALITY; |
1553 | ||
d205d43b JR |
1554 | /* Generic Family and Face Name */ |
1555 | logfont->lfPitchAndFamily = FF_DONTCARE | DEFAULT_PITCH; | |
1556 | ||
f7a84cb4 | 1557 | tmp = AREF (font_spec, FONT_FAMILY_INDEX); |
d205d43b JR |
1558 | if (! NILP (tmp)) |
1559 | { | |
1560 | logfont->lfPitchAndFamily = w32_generic_family (tmp) | DEFAULT_PITCH; | |
1561 | if ((logfont->lfPitchAndFamily & 0xF0) != FF_DONTCARE) | |
1562 | ; /* Font name was generic, don't fill in font name. */ | |
1563 | /* Font families are interned, but allow for strings also in case of | |
1564 | user input. */ | |
1565 | else if (SYMBOLP (tmp)) | |
1566 | strncpy (logfont->lfFaceName, SDATA (SYMBOL_NAME (tmp)), LF_FACESIZE); | |
d205d43b | 1567 | } |
f7a84cb4 | 1568 | |
9e1a2995 JR |
1569 | tmp = AREF (font_spec, FONT_ADSTYLE_INDEX); |
1570 | if (!NILP (tmp)) | |
1571 | { | |
1572 | /* Override generic family. */ | |
1573 | BYTE family = w32_generic_family (tmp); | |
1574 | if (family != FF_DONTCARE) | |
1575 | logfont->lfPitchAndFamily = family | DEFAULT_PITCH; | |
1576 | } | |
1577 | ||
9c623c85 | 1578 | |
5f18d119 KH |
1579 | /* Set pitch based on the spacing property. */ |
1580 | tmp = AREF (font_spec, FONT_SPACING_INDEX); | |
1581 | if (INTEGERP (tmp)) | |
1582 | { | |
1583 | int spacing = XINT (tmp); | |
1584 | if (spacing < FONT_SPACING_MONO) | |
1585 | logfont->lfPitchAndFamily | |
1586 | = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH; | |
1587 | else | |
1588 | logfont->lfPitchAndFamily | |
1589 | = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH; | |
1590 | } | |
1591 | ||
d205d43b | 1592 | /* Process EXTRA info. */ |
5f18d119 KH |
1593 | for (extra = AREF (font_spec, FONT_EXTRA_INDEX); |
1594 | CONSP (extra); extra = XCDR (extra)) | |
d205d43b JR |
1595 | { |
1596 | tmp = XCAR (extra); | |
1597 | if (CONSP (tmp)) | |
1598 | { | |
1599 | Lisp_Object key, val; | |
1600 | key = XCAR (tmp), val = XCDR (tmp); | |
d205d43b JR |
1601 | /* Only use QCscript if charset is not provided, or is unicode |
1602 | and a single script is specified. This is rather crude, | |
1603 | and is only used to narrow down the fonts returned where | |
1604 | there is a definite match. Some scripts, such as latin, han, | |
1605 | cjk-misc match multiple lfCharSet values, so we can't pre-filter | |
1606 | them. */ | |
5f18d119 | 1607 | if (EQ (key, QCscript) |
d205d43b JR |
1608 | && logfont->lfCharSet == DEFAULT_CHARSET |
1609 | && SYMBOLP (val)) | |
1610 | { | |
1611 | if (EQ (val, Qgreek)) | |
1612 | logfont->lfCharSet = GREEK_CHARSET; | |
1613 | else if (EQ (val, Qhangul)) | |
1614 | logfont->lfCharSet = HANGUL_CHARSET; | |
1615 | else if (EQ (val, Qkana) || EQ (val, Qkanbun)) | |
1616 | logfont->lfCharSet = SHIFTJIS_CHARSET; | |
1617 | else if (EQ (val, Qbopomofo)) | |
1618 | logfont->lfCharSet = CHINESEBIG5_CHARSET; | |
1619 | /* GB 18030 supports tibetan, yi, mongolian, | |
1620 | fonts that support it should show up if we ask for | |
1621 | GB2312 fonts. */ | |
1622 | else if (EQ (val, Qtibetan) || EQ (val, Qyi) | |
1623 | || EQ (val, Qmongolian)) | |
1624 | logfont->lfCharSet = GB2312_CHARSET; | |
1625 | else if (EQ (val, Qhebrew)) | |
1626 | logfont->lfCharSet = HEBREW_CHARSET; | |
1627 | else if (EQ (val, Qarabic)) | |
1628 | logfont->lfCharSet = ARABIC_CHARSET; | |
1629 | else if (EQ (val, Qthai)) | |
1630 | logfont->lfCharSet = THAI_CHARSET; | |
1631 | else if (EQ (val, Qsymbol)) | |
1632 | logfont->lfCharSet = SYMBOL_CHARSET; | |
1633 | } | |
91583281 JR |
1634 | else if (EQ (key, QCantialias) && SYMBOLP (val)) |
1635 | { | |
1636 | logfont->lfQuality = w32_antialias_type (val); | |
1637 | } | |
d205d43b JR |
1638 | } |
1639 | } | |
f7a84cb4 JR |
1640 | } |
1641 | ||
20399669 | 1642 | static void |
d205d43b JR |
1643 | list_all_matching_fonts (match_data) |
1644 | struct font_callback_data *match_data; | |
f7a84cb4 JR |
1645 | { |
1646 | HDC dc; | |
d205d43b JR |
1647 | Lisp_Object families = w32font_list_family (match_data->frame); |
1648 | struct frame *f = XFRAME (match_data->frame); | |
f7a84cb4 JR |
1649 | |
1650 | dc = get_frame_dc (f); | |
1651 | ||
1652 | while (!NILP (families)) | |
1653 | { | |
d205d43b JR |
1654 | /* TODO: Use the Unicode versions of the W32 APIs, so we can |
1655 | handle non-ASCII font names. */ | |
1656 | char *name; | |
f7a84cb4 JR |
1657 | Lisp_Object family = CAR (families); |
1658 | families = CDR (families); | |
d205d43b JR |
1659 | if (NILP (family)) |
1660 | continue; | |
8f112d52 | 1661 | else if (SYMBOLP (family)) |
9c623c85 | 1662 | name = SDATA (SYMBOL_NAME (family)); |
8f112d52 JR |
1663 | else |
1664 | continue; | |
d205d43b JR |
1665 | |
1666 | strncpy (match_data->pattern.lfFaceName, name, LF_FACESIZE); | |
1667 | match_data->pattern.lfFaceName[LF_FACESIZE - 1] = '\0'; | |
1668 | ||
1669 | EnumFontFamiliesEx (dc, &match_data->pattern, | |
1670 | (FONTENUMPROC) add_font_entity_to_list, | |
1671 | (LPARAM) match_data, 0); | |
f7a84cb4 JR |
1672 | } |
1673 | ||
1674 | release_frame_dc (f, dc); | |
1675 | } | |
1676 | ||
91583281 JR |
1677 | static Lisp_Object |
1678 | lispy_antialias_type (type) | |
1679 | BYTE type; | |
1680 | { | |
1681 | Lisp_Object lispy; | |
1682 | ||
1683 | switch (type) | |
1684 | { | |
1685 | case NONANTIALIASED_QUALITY: | |
1686 | lispy = Qnone; | |
1687 | break; | |
1688 | case ANTIALIASED_QUALITY: | |
1689 | lispy = Qstandard; | |
1690 | break; | |
1691 | case CLEARTYPE_QUALITY: | |
1692 | lispy = Qsubpixel; | |
1693 | break; | |
1694 | case CLEARTYPE_NATURAL_QUALITY: | |
1695 | lispy = Qnatural; | |
1696 | break; | |
1697 | default: | |
1698 | lispy = Qnil; | |
1699 | break; | |
1700 | } | |
1701 | return lispy; | |
1702 | } | |
1703 | ||
1704 | /* Convert antialiasing symbols to lfQuality */ | |
1705 | static BYTE | |
1706 | w32_antialias_type (type) | |
1707 | Lisp_Object type; | |
1708 | { | |
1709 | if (EQ (type, Qnone)) | |
1710 | return NONANTIALIASED_QUALITY; | |
1711 | else if (EQ (type, Qstandard)) | |
1712 | return ANTIALIASED_QUALITY; | |
1713 | else if (EQ (type, Qsubpixel)) | |
1714 | return CLEARTYPE_QUALITY; | |
1715 | else if (EQ (type, Qnatural)) | |
1716 | return CLEARTYPE_NATURAL_QUALITY; | |
1717 | else | |
1718 | return DEFAULT_QUALITY; | |
1719 | } | |
1720 | ||
d205d43b JR |
1721 | /* Return a list of all the scripts that the font supports. */ |
1722 | static Lisp_Object | |
1723 | font_supported_scripts (FONTSIGNATURE * sig) | |
f7a84cb4 | 1724 | { |
d205d43b JR |
1725 | DWORD * subranges = sig->fsUsb; |
1726 | Lisp_Object supported = Qnil; | |
1727 | ||
1728 | /* Match a single subrange. SYM is set if bit N is set in subranges. */ | |
1729 | #define SUBRANGE(n,sym) \ | |
1730 | if (subranges[(n) / 32] & (1 << ((n) % 32))) \ | |
1731 | supported = Fcons ((sym), supported) | |
1732 | ||
1733 | /* Match multiple subranges. SYM is set if any MASK bit is set in | |
1734 | subranges[0 - 3]. */ | |
1735 | #define MASK_ANY(mask0,mask1,mask2,mask3,sym) \ | |
1736 | if ((subranges[0] & (mask0)) || (subranges[1] & (mask1)) \ | |
1737 | || (subranges[2] & (mask2)) || (subranges[3] & (mask3))) \ | |
1738 | supported = Fcons ((sym), supported) | |
1739 | ||
56df6710 JR |
1740 | SUBRANGE (0, Qlatin); |
1741 | /* The following count as latin too, ASCII should be present in these fonts, | |
1742 | so don't need to mark them separately. */ | |
1743 | /* 1: Latin-1 supplement, 2: Latin Extended A, 3: Latin Extended B. */ | |
1744 | SUBRANGE (4, Qphonetic); | |
1745 | /* 5: Spacing and tone modifiers, 6: Combining Diacriticals. */ | |
d205d43b JR |
1746 | SUBRANGE (7, Qgreek); |
1747 | SUBRANGE (8, Qcoptic); | |
1748 | SUBRANGE (9, Qcyrillic); | |
1749 | SUBRANGE (10, Qarmenian); | |
1750 | SUBRANGE (11, Qhebrew); | |
1751 | SUBRANGE (13, Qarabic); | |
1752 | SUBRANGE (14, Qnko); | |
1753 | SUBRANGE (15, Qdevanagari); | |
1754 | SUBRANGE (16, Qbengali); | |
1755 | SUBRANGE (17, Qgurmukhi); | |
1756 | SUBRANGE (18, Qgujarati); | |
1757 | SUBRANGE (19, Qoriya); | |
1758 | SUBRANGE (20, Qtamil); | |
1759 | SUBRANGE (21, Qtelugu); | |
1760 | SUBRANGE (22, Qkannada); | |
1761 | SUBRANGE (23, Qmalayalam); | |
1762 | SUBRANGE (24, Qthai); | |
1763 | SUBRANGE (25, Qlao); | |
1764 | SUBRANGE (26, Qgeorgian); | |
56df6710 JR |
1765 | SUBRANGE (27, Qbalinese); |
1766 | /* 28: Hangul Jamo. */ | |
1767 | /* 29: Latin Extended, 30: Greek Extended, 31: Punctuation. */ | |
1768 | /* 32-47: Symbols (defined below). */ | |
d205d43b | 1769 | SUBRANGE (48, Qcjk_misc); |
56df6710 JR |
1770 | /* Match either 49: katakana or 50: hiragana for kana. */ |
1771 | MASK_ANY (0, 0x00060000, 0, 0, Qkana); | |
d205d43b | 1772 | SUBRANGE (51, Qbopomofo); |
56df6710 JR |
1773 | /* 52: Compatibility Jamo */ |
1774 | SUBRANGE (53, Qphags_pa); | |
1775 | /* 54: Enclosed CJK letters and months, 55: CJK Compatibility. */ | |
d205d43b | 1776 | SUBRANGE (56, Qhangul); |
56df6710 JR |
1777 | /* 57: Surrogates. */ |
1778 | SUBRANGE (58, Qphoenician); | |
d205d43b | 1779 | SUBRANGE (59, Qhan); /* There are others, but this is the main one. */ |
56df6710 JR |
1780 | SUBRANGE (59, Qideographic_description); /* Windows lumps this in. */ |
1781 | SUBRANGE (59, Qkanbun); /* And this. */ | |
1782 | /* 60: Private use, 61: CJK strokes and compatibility. */ | |
1783 | /* 62: Alphabetic Presentation, 63: Arabic Presentation A. */ | |
1784 | /* 64: Combining half marks, 65: Vertical and CJK compatibility. */ | |
1785 | /* 66: Small forms, 67: Arabic Presentation B, 68: Half and Full width. */ | |
1786 | /* 69: Specials. */ | |
d205d43b JR |
1787 | SUBRANGE (70, Qtibetan); |
1788 | SUBRANGE (71, Qsyriac); | |
1789 | SUBRANGE (72, Qthaana); | |
1790 | SUBRANGE (73, Qsinhala); | |
1791 | SUBRANGE (74, Qmyanmar); | |
1792 | SUBRANGE (75, Qethiopic); | |
1793 | SUBRANGE (76, Qcherokee); | |
1794 | SUBRANGE (77, Qcanadian_aboriginal); | |
1795 | SUBRANGE (78, Qogham); | |
1796 | SUBRANGE (79, Qrunic); | |
1797 | SUBRANGE (80, Qkhmer); | |
1798 | SUBRANGE (81, Qmongolian); | |
1799 | SUBRANGE (82, Qbraille); | |
1800 | SUBRANGE (83, Qyi); | |
56df6710 JR |
1801 | SUBRANGE (84, Qbuhid); |
1802 | SUBRANGE (84, Qhanunoo); | |
1803 | SUBRANGE (84, Qtagalog); | |
1804 | SUBRANGE (84, Qtagbanwa); | |
1805 | SUBRANGE (85, Qold_italic); | |
1806 | SUBRANGE (86, Qgothic); | |
1807 | SUBRANGE (87, Qdeseret); | |
d205d43b JR |
1808 | SUBRANGE (88, Qbyzantine_musical_symbol); |
1809 | SUBRANGE (88, Qmusical_symbol); /* Windows doesn't distinguish these. */ | |
d205d43b | 1810 | SUBRANGE (89, Qmathematical); |
56df6710 JR |
1811 | /* 90: Private use, 91: Variation selectors, 92: Tags. */ |
1812 | SUBRANGE (93, Qlimbu); | |
1813 | SUBRANGE (94, Qtai_le); | |
1814 | /* 95: New Tai Le */ | |
1815 | SUBRANGE (90, Qbuginese); | |
1816 | SUBRANGE (97, Qglagolitic); | |
1817 | SUBRANGE (98, Qtifinagh); | |
1818 | /* 99: Yijing Hexagrams. */ | |
1819 | SUBRANGE (100, Qsyloti_nagri); | |
1820 | SUBRANGE (101, Qlinear_b); | |
1821 | /* 102: Ancient Greek Numbers. */ | |
1822 | SUBRANGE (103, Qugaritic); | |
1823 | SUBRANGE (104, Qold_persian); | |
1824 | SUBRANGE (105, Qshavian); | |
1825 | SUBRANGE (106, Qosmanya); | |
1826 | SUBRANGE (107, Qcypriot); | |
1827 | SUBRANGE (108, Qkharoshthi); | |
1828 | /* 109: Tai Xuan Jing. */ | |
1829 | SUBRANGE (110, Qcuneiform); | |
1830 | /* 111: Counting Rods. */ | |
d205d43b JR |
1831 | |
1832 | /* There isn't really a main symbol range, so include symbol if any | |
1833 | relevant range is set. */ | |
1834 | MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol); | |
1835 | ||
56df6710 | 1836 | /* Missing: Tai Viet (U+AA80) and Cham (U+AA00) . */ |
d205d43b JR |
1837 | #undef SUBRANGE |
1838 | #undef MASK_ANY | |
1839 | ||
1840 | return supported; | |
f7a84cb4 JR |
1841 | } |
1842 | ||
67997c79 JR |
1843 | /* Generate a full name for a Windows font. |
1844 | The full name is in fcname format, with weight, slant and antialiasing | |
1845 | specified if they are not "normal". */ | |
1846 | static int | |
1847 | w32font_full_name (font, font_obj, pixel_size, name, nbytes) | |
1848 | LOGFONT * font; | |
1849 | Lisp_Object font_obj; | |
1850 | int pixel_size; | |
1851 | char *name; | |
1852 | int nbytes; | |
1853 | { | |
a823468b | 1854 | int len, height, outline; |
67997c79 JR |
1855 | char *p; |
1856 | Lisp_Object antialiasing, weight = Qnil; | |
1857 | ||
a823468b JR |
1858 | len = strlen (font->lfFaceName); |
1859 | ||
1860 | outline = EQ (AREF (font_obj, FONT_FOUNDRY_INDEX), Qoutline); | |
1861 | ||
1862 | /* Represent size of scalable fonts by point size. But use pixelsize for | |
1863 | raster fonts to indicate that they are exactly that size. */ | |
1864 | if (outline) | |
1865 | len += 11; /* -SIZE */ | |
1866 | else | |
6fe9826d | 1867 | len += 21; |
67997c79 JR |
1868 | |
1869 | if (font->lfItalic) | |
1870 | len += 7; /* :italic */ | |
1871 | ||
1872 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
1873 | { | |
3ef8c1b4 JR |
1874 | weight = w32_to_fc_weight (font->lfWeight); |
1875 | len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */ | |
67997c79 JR |
1876 | } |
1877 | ||
1878 | antialiasing = lispy_antialias_type (font->lfQuality); | |
1879 | if (! NILP (antialiasing)) | |
1880 | len += 11 + SBYTES (SYMBOL_NAME (antialiasing)); /* :antialias=NAME */ | |
1881 | ||
1882 | /* Check that the buffer is big enough */ | |
1883 | if (len > nbytes) | |
1884 | return -1; | |
1885 | ||
1886 | p = name; | |
1887 | p += sprintf (p, "%s", font->lfFaceName); | |
1888 | ||
a823468b JR |
1889 | height = font->lfHeight ? eabs (font->lfHeight) : pixel_size; |
1890 | ||
1891 | if (height > 0) | |
1892 | { | |
1893 | if (outline) | |
1894 | { | |
1895 | float pointsize = height * 72.0 / one_w32_display_info.resy; | |
7145be81 JR |
1896 | /* Round to nearest half point. floor is used, since round is not |
1897 | supported in MS library. */ | |
1898 | pointsize = floor (pointsize * 2 + 0.5) / 2; | |
a823468b JR |
1899 | p += sprintf (p, "-%1.1f", pointsize); |
1900 | } | |
1901 | else | |
1902 | p += sprintf (p, ":pixelsize=%d", height); | |
1903 | } | |
67997c79 | 1904 | |
3ef8c1b4 JR |
1905 | if (SYMBOLP (weight) && ! NILP (weight)) |
1906 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
1907 | ||
67997c79 JR |
1908 | if (font->lfItalic) |
1909 | p += sprintf (p, ":italic"); | |
1910 | ||
67997c79 JR |
1911 | if (SYMBOLP (antialiasing) && ! NILP (antialiasing)) |
1912 | p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing))); | |
1913 | ||
1914 | return (p - name); | |
1915 | } | |
f7a84cb4 | 1916 | |
6fe9826d JR |
1917 | /* Convert a logfont and point size into a fontconfig style font name. |
1918 | POINTSIZE is in tenths of points. | |
1919 | If SIZE indicates the size of buffer FCNAME, into which the font name | |
1920 | is written. If the buffer is not large enough to contain the name, | |
1921 | the function returns -1, otherwise it returns the number of bytes | |
1922 | written to FCNAME. */ | |
1923 | static int logfont_to_fcname(font, pointsize, fcname, size) | |
1924 | LOGFONT* font; | |
1925 | int pointsize; | |
1926 | char *fcname; | |
1927 | int size; | |
1928 | { | |
1929 | int len, height; | |
1930 | char *p = fcname; | |
1931 | Lisp_Object weight = Qnil; | |
1932 | ||
1933 | len = strlen (font->lfFaceName) + 2; | |
1934 | height = pointsize / 10; | |
1935 | while (height /= 10) | |
1936 | len++; | |
1937 | ||
1938 | if (pointsize % 10) | |
1939 | len += 2; | |
1940 | ||
1941 | if (font->lfItalic) | |
1942 | len += 7; /* :italic */ | |
1943 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
1944 | { | |
3ef8c1b4 JR |
1945 | weight = w32_to_fc_weight (font->lfWeight); |
1946 | len += SBYTES (SYMBOL_NAME (weight)) + 1; | |
6fe9826d JR |
1947 | } |
1948 | ||
1949 | if (len > size) | |
1950 | return -1; | |
1951 | ||
1952 | p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10); | |
1953 | if (pointsize % 10) | |
1954 | p += sprintf (p, ".%d", pointsize % 10); | |
1955 | ||
3ef8c1b4 JR |
1956 | if (SYMBOLP (weight) && !NILP (weight)) |
1957 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
1958 | ||
6fe9826d JR |
1959 | if (font->lfItalic) |
1960 | p += sprintf (p, ":italic"); | |
1961 | ||
6fe9826d JR |
1962 | return (p - fcname); |
1963 | } | |
34fd2d28 | 1964 | |
9c623c85 JB |
1965 | static void |
1966 | compute_metrics (dc, w32_font, code, metrics) | |
34fd2d28 | 1967 | HDC dc; |
54efdcd1 | 1968 | struct w32font_info *w32_font; |
8f112d52 JR |
1969 | unsigned int code; |
1970 | struct w32_metric_cache *metrics; | |
34fd2d28 JR |
1971 | { |
1972 | GLYPHMETRICS gm; | |
1973 | MAT2 transform; | |
8f112d52 JR |
1974 | unsigned int options = GGO_METRICS; |
1975 | ||
1976 | if (w32_font->glyph_idx) | |
1977 | options |= GGO_GLYPH_INDEX; | |
34fd2d28 JR |
1978 | |
1979 | bzero (&transform, sizeof (transform)); | |
1980 | transform.eM11.value = 1; | |
1981 | transform.eM22.value = 1; | |
8f112d52 JR |
1982 | |
1983 | if (GetGlyphOutlineW (dc, code, options, &gm, 0, NULL, &transform) | |
1984 | != GDI_ERROR) | |
1985 | { | |
1986 | metrics->lbearing = gm.gmptGlyphOrigin.x; | |
1987 | metrics->rbearing = gm.gmptGlyphOrigin.x + gm.gmBlackBoxX; | |
1988 | metrics->width = gm.gmCellIncX; | |
1989 | metrics->status = W32METRIC_SUCCESS; | |
1990 | } | |
9c623c85 | 1991 | else if (w32_font->glyph_idx) |
34fd2d28 | 1992 | { |
9c623c85 JB |
1993 | /* Can't use glyph indexes after all. |
1994 | Avoid it in future, and clear any metrics that were based on | |
1995 | glyph indexes. */ | |
1996 | w32_font->glyph_idx = 0; | |
1997 | clear_cached_metrics (w32_font); | |
34fd2d28 | 1998 | } |
9c623c85 JB |
1999 | else |
2000 | metrics->status = W32METRIC_FAIL; | |
34fd2d28 JR |
2001 | } |
2002 | ||
8f112d52 JR |
2003 | static void |
2004 | clear_cached_metrics (w32_font) | |
2005 | struct w32font_info *w32_font; | |
2006 | { | |
2007 | int i; | |
2008 | for (i = 0; i < w32_font->n_cache_blocks; i++) | |
5f18d119 KH |
2009 | { |
2010 | if (w32_font->cached_metrics[i]) | |
2011 | bzero (w32_font->cached_metrics[i], | |
2012 | CACHE_BLOCKSIZE * sizeof (struct font_metrics)); | |
2013 | } | |
8f112d52 JR |
2014 | } |
2015 | ||
6fe9826d JR |
2016 | DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0, |
2017 | doc: /* Read a font name using a W32 font selection dialog. | |
2018 | Return fontconfig style font string corresponding to the selection. | |
2019 | ||
2020 | If FRAME is omitted or nil, it defaults to the selected frame. | |
2021 | If INCLUDE-PROPORTIONAL is non-nil, include proportional fonts | |
2022 | in the font selection dialog. */) | |
2023 | (frame, include_proportional) | |
2024 | Lisp_Object frame, include_proportional; | |
2025 | { | |
2026 | FRAME_PTR f = check_x_frame (frame); | |
2027 | CHOOSEFONT cf; | |
2028 | LOGFONT lf; | |
2029 | TEXTMETRIC tm; | |
2030 | HDC hdc; | |
2031 | HANDLE oldobj; | |
2032 | char buf[100]; | |
2033 | ||
2034 | bzero (&cf, sizeof (cf)); | |
2035 | bzero (&lf, sizeof (lf)); | |
2036 | ||
2037 | cf.lStructSize = sizeof (cf); | |
2038 | cf.hwndOwner = FRAME_W32_WINDOW (f); | |
2039 | cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS; | |
2040 | ||
2041 | /* Unless include_proportional is non-nil, limit the selection to | |
2042 | monospaced fonts. */ | |
2043 | if (NILP (include_proportional)) | |
2044 | cf.Flags |= CF_FIXEDPITCHONLY; | |
2045 | ||
2046 | cf.lpLogFont = &lf; | |
2047 | ||
2048 | /* Initialize as much of the font details as we can from the current | |
2049 | default font. */ | |
2050 | hdc = GetDC (FRAME_W32_WINDOW (f)); | |
1b5defe6 | 2051 | oldobj = SelectObject (hdc, ((struct w32font_info *) FRAME_FONT (f))->hfont); |
6fe9826d JR |
2052 | GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); |
2053 | if (GetTextMetrics (hdc, &tm)) | |
2054 | { | |
2055 | lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; | |
2056 | lf.lfWeight = tm.tmWeight; | |
2057 | lf.lfItalic = tm.tmItalic; | |
2058 | lf.lfUnderline = tm.tmUnderlined; | |
2059 | lf.lfStrikeOut = tm.tmStruckOut; | |
2060 | lf.lfCharSet = tm.tmCharSet; | |
2061 | cf.Flags |= CF_INITTOLOGFONTSTRUCT; | |
2062 | } | |
2063 | SelectObject (hdc, oldobj); | |
2064 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); | |
2065 | ||
2066 | if (!ChooseFont (&cf) | |
2067 | || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0) | |
2068 | return Qnil; | |
2069 | ||
2070 | return build_string (buf); | |
2071 | } | |
2072 | ||
f7a84cb4 JR |
2073 | struct font_driver w32font_driver = |
2074 | { | |
8eac0c84 | 2075 | 0, /* Qgdi */ |
5f18d119 | 2076 | 0, /* case insensitive */ |
f7a84cb4 JR |
2077 | w32font_get_cache, |
2078 | w32font_list, | |
2079 | w32font_match, | |
2080 | w32font_list_family, | |
2081 | NULL, /* free_entity */ | |
2082 | w32font_open, | |
2083 | w32font_close, | |
2084 | NULL, /* prepare_face */ | |
2085 | NULL, /* done_face */ | |
2086 | w32font_has_char, | |
2087 | w32font_encode_char, | |
2088 | w32font_text_extents, | |
2089 | w32font_draw, | |
2090 | NULL, /* get_bitmap */ | |
2091 | NULL, /* free_bitmap */ | |
2092 | NULL, /* get_outline */ | |
2093 | NULL, /* free_outline */ | |
2094 | NULL, /* anchor_point */ | |
2095 | NULL, /* otf_capability */ | |
5b0c3446 JR |
2096 | NULL, /* otf_drive */ |
2097 | NULL, /* start_for_frame */ | |
2098 | NULL, /* end_for_frame */ | |
2099 | NULL /* shape */ | |
f7a84cb4 JR |
2100 | }; |
2101 | ||
f7a84cb4 JR |
2102 | |
2103 | /* Initialize state that does not change between invocations. This is only | |
2104 | called when Emacs is dumped. */ | |
20399669 JR |
2105 | void |
2106 | syms_of_w32font () | |
f7a84cb4 | 2107 | { |
8eac0c84 | 2108 | DEFSYM (Qgdi, "gdi"); |
34fd2d28 JR |
2109 | DEFSYM (Quniscribe, "uniscribe"); |
2110 | DEFSYM (QCformat, ":format"); | |
d205d43b JR |
2111 | |
2112 | /* Generic font families. */ | |
2113 | DEFSYM (Qmonospace, "monospace"); | |
2114 | DEFSYM (Qserif, "serif"); | |
9e1a2995 | 2115 | DEFSYM (Qsansserif, "sansserif"); |
f7a84cb4 | 2116 | DEFSYM (Qscript, "script"); |
d205d43b JR |
2117 | DEFSYM (Qdecorative, "decorative"); |
2118 | /* Aliases. */ | |
9e1a2995 | 2119 | DEFSYM (Qsans_serif, "sans_serif"); |
d205d43b JR |
2120 | DEFSYM (Qsans, "sans"); |
2121 | DEFSYM (Qmono, "mono"); | |
2122 | ||
2123 | /* Fake foundries. */ | |
2124 | DEFSYM (Qraster, "raster"); | |
2125 | DEFSYM (Qoutline, "outline"); | |
f7a84cb4 | 2126 | DEFSYM (Qunknown, "unknown"); |
d205d43b | 2127 | |
91583281 JR |
2128 | /* Antialiasing. */ |
2129 | DEFSYM (Qstandard, "standard"); | |
2130 | DEFSYM (Qsubpixel, "subpixel"); | |
2131 | DEFSYM (Qnatural, "natural"); | |
d205d43b | 2132 | |
8f112d52 JR |
2133 | /* Languages */ |
2134 | DEFSYM (Qja, "ja"); | |
2135 | DEFSYM (Qko, "ko"); | |
2136 | DEFSYM (Qzh, "zh"); | |
2137 | ||
d205d43b JR |
2138 | /* Scripts */ |
2139 | DEFSYM (Qlatin, "latin"); | |
2140 | DEFSYM (Qgreek, "greek"); | |
2141 | DEFSYM (Qcoptic, "coptic"); | |
2142 | DEFSYM (Qcyrillic, "cyrillic"); | |
2143 | DEFSYM (Qarmenian, "armenian"); | |
2144 | DEFSYM (Qhebrew, "hebrew"); | |
2145 | DEFSYM (Qarabic, "arabic"); | |
2146 | DEFSYM (Qsyriac, "syriac"); | |
2147 | DEFSYM (Qnko, "nko"); | |
2148 | DEFSYM (Qthaana, "thaana"); | |
2149 | DEFSYM (Qdevanagari, "devanagari"); | |
2150 | DEFSYM (Qbengali, "bengali"); | |
2151 | DEFSYM (Qgurmukhi, "gurmukhi"); | |
2152 | DEFSYM (Qgujarati, "gujarati"); | |
2153 | DEFSYM (Qoriya, "oriya"); | |
2154 | DEFSYM (Qtamil, "tamil"); | |
2155 | DEFSYM (Qtelugu, "telugu"); | |
2156 | DEFSYM (Qkannada, "kannada"); | |
2157 | DEFSYM (Qmalayalam, "malayalam"); | |
2158 | DEFSYM (Qsinhala, "sinhala"); | |
2159 | DEFSYM (Qthai, "thai"); | |
2160 | DEFSYM (Qlao, "lao"); | |
2161 | DEFSYM (Qtibetan, "tibetan"); | |
2162 | DEFSYM (Qmyanmar, "myanmar"); | |
2163 | DEFSYM (Qgeorgian, "georgian"); | |
2164 | DEFSYM (Qhangul, "hangul"); | |
2165 | DEFSYM (Qethiopic, "ethiopic"); | |
2166 | DEFSYM (Qcherokee, "cherokee"); | |
2167 | DEFSYM (Qcanadian_aboriginal, "canadian-aboriginal"); | |
2168 | DEFSYM (Qogham, "ogham"); | |
2169 | DEFSYM (Qrunic, "runic"); | |
2170 | DEFSYM (Qkhmer, "khmer"); | |
2171 | DEFSYM (Qmongolian, "mongolian"); | |
2172 | DEFSYM (Qsymbol, "symbol"); | |
2173 | DEFSYM (Qbraille, "braille"); | |
2174 | DEFSYM (Qhan, "han"); | |
2175 | DEFSYM (Qideographic_description, "ideographic-description"); | |
2176 | DEFSYM (Qcjk_misc, "cjk-misc"); | |
2177 | DEFSYM (Qkana, "kana"); | |
2178 | DEFSYM (Qbopomofo, "bopomofo"); | |
2179 | DEFSYM (Qkanbun, "kanbun"); | |
2180 | DEFSYM (Qyi, "yi"); | |
2181 | DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol"); | |
2182 | DEFSYM (Qmusical_symbol, "musical-symbol"); | |
2183 | DEFSYM (Qmathematical, "mathematical"); | |
56df6710 JR |
2184 | DEFSYM (Qphonetic, "phonetic"); |
2185 | DEFSYM (Qbalinese, "balinese"); | |
2186 | DEFSYM (Qbuginese, "buginese"); | |
2187 | DEFSYM (Qbuhid, "buhid"); | |
2188 | DEFSYM (Qcuneiform, "cuneiform"); | |
2189 | DEFSYM (Qcypriot, "cypriot"); | |
2190 | DEFSYM (Qdeseret, "deseret"); | |
2191 | DEFSYM (Qglagolitic, "glagolitic"); | |
2192 | DEFSYM (Qgothic, "gothic"); | |
2193 | DEFSYM (Qhanunoo, "hanunoo"); | |
2194 | DEFSYM (Qkharoshthi, "kharoshthi"); | |
2195 | DEFSYM (Qlimbu, "limbu"); | |
2196 | DEFSYM (Qlinear_b, "linear_b"); | |
2197 | DEFSYM (Qold_italic, "old_italic"); | |
2198 | DEFSYM (Qold_persian, "old_persian"); | |
2199 | DEFSYM (Qosmanya, "osmanya"); | |
2200 | DEFSYM (Qphags_pa, "phags-pa"); | |
2201 | DEFSYM (Qphoenician, "phoenician"); | |
2202 | DEFSYM (Qshavian, "shavian"); | |
2203 | DEFSYM (Qsyloti_nagri, "syloti_nagri"); | |
2204 | DEFSYM (Qtagalog, "tagalog"); | |
2205 | DEFSYM (Qtagbanwa, "tagbanwa"); | |
2206 | DEFSYM (Qtai_le, "tai_le"); | |
2207 | DEFSYM (Qtifinagh, "tifinagh"); | |
2208 | DEFSYM (Qugaritic, "ugaritic"); | |
d205d43b | 2209 | |
6fe9826d JR |
2210 | defsubr (&Sx_select_font); |
2211 | ||
8eac0c84 | 2212 | w32font_driver.type = Qgdi; |
f7a84cb4 JR |
2213 | register_font_driver (&w32font_driver, NULL); |
2214 | } | |
6d8c85b5 MB |
2215 | |
2216 | /* arch-tag: 65b8a3cd-46aa-4c0d-a1f3-99e75b9c07ee | |
2217 | (do not change this comment) */ |