Commit | Line | Data |
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f7a84cb4 | 1 | /* Font backend for the Microsoft W32 API. |
76b6f707 | 2 | Copyright (C) 2007, 2008, 2009 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" | |
e6df5336 | 31 | #include "coding.h" |
f7a84cb4 JR |
32 | #include "fontset.h" |
33 | #include "font.h" | |
46fd1ded | 34 | #include "w32font.h" |
f7a84cb4 | 35 | |
91583281 JR |
36 | /* Cleartype available on Windows XP, cleartype_natural from XP SP1. |
37 | The latter does not try to fit cleartype smoothed fonts into the | |
38 | same bounding box as the non-antialiased version of the font. | |
39 | */ | |
40 | #ifndef CLEARTYPE_QUALITY | |
41 | #define CLEARTYPE_QUALITY 5 | |
42 | #endif | |
43 | #ifndef CLEARTYPE_NATURAL_QUALITY | |
44 | #define CLEARTYPE_NATURAL_QUALITY 6 | |
45 | #endif | |
46 | ||
57016d37 JR |
47 | /* VIETNAMESE_CHARSET and JOHAB_CHARSET are not defined in some versions |
48 | of MSVC headers. */ | |
49 | #ifndef VIETNAMESE_CHARSET | |
50 | #define VIETNAMESE_CHARSET 163 | |
51 | #endif | |
52 | #ifndef JOHAB_CHARSET | |
53 | #define JOHAB_CHARSET 130 | |
54 | #endif | |
55 | ||
f7a84cb4 JR |
56 | extern struct font_driver w32font_driver; |
57 | ||
91583281 | 58 | Lisp_Object Qgdi; |
34fd2d28 JR |
59 | Lisp_Object Quniscribe; |
60 | static Lisp_Object QCformat; | |
9e1a2995 JR |
61 | static Lisp_Object Qmonospace, Qsansserif, Qmono, Qsans, Qsans_serif; |
62 | static Lisp_Object Qserif, Qscript, Qdecorative; | |
63 | static Lisp_Object Qraster, Qoutline, Qunknown; | |
d205d43b | 64 | |
91583281 | 65 | /* antialiasing */ |
5f18d119 | 66 | extern Lisp_Object QCantialias, QCotf, QClang; /* defined in font.c */ |
91583281 JR |
67 | extern Lisp_Object Qnone; /* reuse from w32fns.c */ |
68 | static Lisp_Object Qstandard, Qsubpixel, Qnatural; | |
69 | ||
8f112d52 JR |
70 | /* languages */ |
71 | static Lisp_Object Qja, Qko, Qzh; | |
72 | ||
d205d43b JR |
73 | /* scripts */ |
74 | static Lisp_Object Qlatin, Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew; | |
75 | static Lisp_Object Qarabic, Qsyriac, Qnko, Qthaana, Qdevanagari, Qbengali; | |
76 | static Lisp_Object Qgurmukhi, Qgujarati, Qoriya, Qtamil, Qtelugu; | |
77 | static Lisp_Object Qkannada, Qmalayalam, Qsinhala, Qthai, Qlao; | |
78 | static Lisp_Object Qtibetan, Qmyanmar, Qgeorgian, Qhangul, Qethiopic; | |
79 | static Lisp_Object Qcherokee, Qcanadian_aboriginal, Qogham, Qrunic; | |
80 | static Lisp_Object Qkhmer, Qmongolian, Qsymbol, Qbraille, Qhan; | |
81 | static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo; | |
82 | static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol; | |
174f1c74 | 83 | static Lisp_Object Qmusical_symbol, Qmathematical, Qcham, Qphonetic; |
56df6710 JR |
84 | /* Not defined in characters.el, but referenced in fontset.el. */ |
85 | static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot; | |
86 | static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi; | |
87 | static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya; | |
88 | static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri; | |
89 | static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic; | |
d205d43b | 90 | |
57016d37 JR |
91 | /* W32 charsets: for use in Vw32_charset_info_alist. */ |
92 | static Lisp_Object Qw32_charset_ansi, Qw32_charset_default; | |
93 | static Lisp_Object Qw32_charset_symbol, Qw32_charset_shiftjis; | |
94 | static Lisp_Object Qw32_charset_hangeul, Qw32_charset_gb2312; | |
95 | static Lisp_Object Qw32_charset_chinesebig5, Qw32_charset_oem; | |
96 | static Lisp_Object Qw32_charset_easteurope, Qw32_charset_turkish; | |
97 | static Lisp_Object Qw32_charset_baltic, Qw32_charset_russian; | |
98 | static Lisp_Object Qw32_charset_arabic, Qw32_charset_greek; | |
99 | static Lisp_Object Qw32_charset_hebrew, Qw32_charset_vietnamese; | |
100 | static Lisp_Object Qw32_charset_thai, Qw32_charset_johab, Qw32_charset_mac; | |
101 | ||
102 | /* Associative list linking character set strings to Windows codepages. */ | |
103 | static Lisp_Object Vw32_charset_info_alist; | |
104 | ||
d205d43b JR |
105 | /* Font spacing symbols - defined in font.c. */ |
106 | extern Lisp_Object Qc, Qp, Qm; | |
f7a84cb4 | 107 | |
8f112d52 | 108 | static void fill_in_logfont P_ ((FRAME_PTR, LOGFONT *, Lisp_Object)); |
f7a84cb4 | 109 | |
8f112d52 JR |
110 | static BYTE w32_antialias_type P_ ((Lisp_Object)); |
111 | static Lisp_Object lispy_antialias_type P_ ((BYTE)); | |
91583281 | 112 | |
8f112d52 JR |
113 | static Lisp_Object font_supported_scripts P_ ((FONTSIGNATURE *)); |
114 | static int w32font_full_name P_ ((LOGFONT *, Lisp_Object, int, char *, int)); | |
115 | static void compute_metrics P_ ((HDC, struct w32font_info *, unsigned int, | |
116 | struct w32_metric_cache *)); | |
117 | static void clear_cached_metrics P_ ((struct w32font_info *)); | |
f7a84cb4 | 118 | |
8f112d52 | 119 | static Lisp_Object w32_registry P_ ((LONG, DWORD)); |
f7a84cb4 JR |
120 | |
121 | /* EnumFontFamiliesEx callbacks. */ | |
122 | static int CALLBACK add_font_entity_to_list P_ ((ENUMLOGFONTEX *, | |
123 | NEWTEXTMETRICEX *, | |
124 | DWORD, LPARAM)); | |
125 | static int CALLBACK add_one_font_entity_to_list P_ ((ENUMLOGFONTEX *, | |
126 | NEWTEXTMETRICEX *, | |
127 | DWORD, LPARAM)); | |
128 | static int CALLBACK add_font_name_to_list P_ ((ENUMLOGFONTEX *, | |
129 | NEWTEXTMETRICEX *, | |
130 | DWORD, LPARAM)); | |
131 | ||
d205d43b JR |
132 | /* struct passed in as LPARAM arg to EnumFontFamiliesEx, for keeping track |
133 | of what we really want. */ | |
134 | struct font_callback_data | |
135 | { | |
136 | /* The logfont we are matching against. EnumFontFamiliesEx only matches | |
137 | face name and charset, so we need to manually match everything else | |
138 | in the callback function. */ | |
139 | LOGFONT pattern; | |
140 | /* The original font spec or entity. */ | |
141 | Lisp_Object orig_font_spec; | |
142 | /* The frame the font is being loaded on. */ | |
143 | Lisp_Object frame; | |
144 | /* The list to add matches to. */ | |
145 | Lisp_Object list; | |
46fd1ded JR |
146 | /* Whether to match only opentype fonts. */ |
147 | int opentype_only; | |
d205d43b JR |
148 | }; |
149 | ||
150 | /* Handles the problem that EnumFontFamiliesEx will not return all | |
151 | style variations if the font name is not specified. */ | |
8f112d52 | 152 | static void list_all_matching_fonts P_ ((struct font_callback_data *)); |
d205d43b | 153 | |
f7a84cb4 JR |
154 | |
155 | static int | |
156 | memq_no_quit (elt, list) | |
157 | Lisp_Object elt, list; | |
158 | { | |
159 | while (CONSP (list) && ! EQ (XCAR (list), elt)) | |
160 | list = XCDR (list); | |
161 | return (CONSP (list)); | |
162 | } | |
163 | ||
e6df5336 JR |
164 | Lisp_Object |
165 | intern_font_name (string) | |
166 | char * string; | |
167 | { | |
168 | Lisp_Object obarray, tem, str; | |
169 | int len; | |
170 | ||
171 | str = DECODE_SYSTEM (build_string (string)); | |
172 | len = SCHARS (str); | |
173 | ||
174 | /* The following code is copied from the function intern (in lread.c). */ | |
175 | obarray = Vobarray; | |
176 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
177 | obarray = check_obarray (obarray); | |
178 | tem = oblookup (obarray, SDATA (str), len, len); | |
179 | if (SYMBOLP (tem)) | |
180 | return tem; | |
181 | return Fintern (str, obarray); | |
182 | } | |
183 | ||
f7a84cb4 JR |
184 | /* w32 implementation of get_cache for font backend. |
185 | Return a cache of font-entities on FRAME. The cache must be a | |
186 | cons whose cdr part is the actual cache area. */ | |
46fd1ded | 187 | Lisp_Object |
a4c71909 KH |
188 | w32font_get_cache (f) |
189 | FRAME_PTR f; | |
f7a84cb4 | 190 | { |
a4c71909 | 191 | struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
f7a84cb4 JR |
192 | |
193 | return (dpyinfo->name_list_element); | |
194 | } | |
195 | ||
196 | /* w32 implementation of list for font backend. | |
197 | List fonts exactly matching with FONT_SPEC on FRAME. The value | |
198 | is a vector of font-entities. This is the sole API that | |
199 | allocates font-entities. */ | |
20399669 JR |
200 | static Lisp_Object |
201 | w32font_list (frame, font_spec) | |
202 | Lisp_Object frame, font_spec; | |
f7a84cb4 | 203 | { |
07d9ba9b JR |
204 | Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0); |
205 | font_add_log ("w32font-list", font_spec, fonts); | |
206 | return fonts; | |
f7a84cb4 JR |
207 | } |
208 | ||
209 | /* w32 implementation of match for font backend. | |
210 | Return a font entity most closely matching with FONT_SPEC on | |
211 | FRAME. The closeness is detemined by the font backend, thus | |
212 | `face-font-selection-order' is ignored here. */ | |
20399669 JR |
213 | static Lisp_Object |
214 | w32font_match (frame, font_spec) | |
215 | Lisp_Object frame, font_spec; | |
f7a84cb4 | 216 | { |
07d9ba9b JR |
217 | Lisp_Object entity = w32font_match_internal (frame, font_spec, 0); |
218 | font_add_log ("w32font-match", font_spec, entity); | |
219 | return entity; | |
f7a84cb4 JR |
220 | } |
221 | ||
f7a84cb4 JR |
222 | /* w32 implementation of list_family for font backend. |
223 | List available families. The value is a list of family names | |
224 | (symbols). */ | |
20399669 JR |
225 | static Lisp_Object |
226 | w32font_list_family (frame) | |
227 | Lisp_Object frame; | |
f7a84cb4 JR |
228 | { |
229 | Lisp_Object list = Qnil; | |
230 | LOGFONT font_match_pattern; | |
231 | HDC dc; | |
232 | FRAME_PTR f = XFRAME (frame); | |
233 | ||
234 | bzero (&font_match_pattern, sizeof (font_match_pattern)); | |
56df6710 | 235 | font_match_pattern.lfCharSet = DEFAULT_CHARSET; |
f7a84cb4 JR |
236 | |
237 | dc = get_frame_dc (f); | |
238 | ||
239 | EnumFontFamiliesEx (dc, &font_match_pattern, | |
240 | (FONTENUMPROC) add_font_name_to_list, | |
241 | (LPARAM) &list, 0); | |
242 | release_frame_dc (f, dc); | |
243 | ||
244 | return list; | |
245 | } | |
246 | ||
247 | /* w32 implementation of open for font backend. | |
248 | Open a font specified by FONT_ENTITY on frame F. | |
249 | If the font is scalable, open it with PIXEL_SIZE. */ | |
5f18d119 | 250 | static Lisp_Object |
20399669 JR |
251 | w32font_open (f, font_entity, pixel_size) |
252 | FRAME_PTR f; | |
253 | Lisp_Object font_entity; | |
254 | int pixel_size; | |
f7a84cb4 | 255 | { |
bd187c49 JR |
256 | Lisp_Object font_object |
257 | = font_make_object (VECSIZE (struct w32font_info), | |
258 | font_entity, pixel_size); | |
259 | struct w32font_info *w32_font | |
260 | = (struct w32font_info *) XFONT_OBJECT (font_object); | |
f7a84cb4 | 261 | |
4b135503 | 262 | ASET (font_object, FONT_TYPE_INDEX, Qgdi); |
f7a84cb4 | 263 | |
5f18d119 | 264 | if (!w32font_open_internal (f, font_entity, pixel_size, font_object)) |
f7a84cb4 | 265 | { |
5f18d119 | 266 | return Qnil; |
f7a84cb4 JR |
267 | } |
268 | ||
bd187c49 JR |
269 | /* GDI backend does not use glyph indices. */ |
270 | w32_font->glyph_idx = 0; | |
271 | ||
5f18d119 | 272 | return font_object; |
f7a84cb4 JR |
273 | } |
274 | ||
275 | /* w32 implementation of close for font_backend. | |
276 | Close FONT on frame F. */ | |
46fd1ded | 277 | void |
20399669 JR |
278 | w32font_close (f, font) |
279 | FRAME_PTR f; | |
280 | struct font *font; | |
f7a84cb4 | 281 | { |
c35f9821 | 282 | int i; |
5f18d119 | 283 | struct w32font_info *w32_font = (struct w32font_info *) font; |
c35f9821 JR |
284 | |
285 | /* Delete the GDI font object. */ | |
1b5defe6 | 286 | DeleteObject (w32_font->hfont); |
c35f9821 JR |
287 | |
288 | /* Free all the cached metrics. */ | |
289 | if (w32_font->cached_metrics) | |
290 | { | |
291 | for (i = 0; i < w32_font->n_cache_blocks; i++) | |
292 | { | |
293 | if (w32_font->cached_metrics[i]) | |
294 | xfree (w32_font->cached_metrics[i]); | |
295 | } | |
296 | xfree (w32_font->cached_metrics); | |
297 | w32_font->cached_metrics = NULL; | |
298 | } | |
f7a84cb4 JR |
299 | } |
300 | ||
301 | /* w32 implementation of has_char for font backend. | |
302 | Optional. | |
303 | If FONT_ENTITY has a glyph for character C (Unicode code point), | |
304 | return 1. If not, return 0. If a font must be opened to check | |
305 | it, return -1. */ | |
46fd1ded | 306 | int |
20399669 JR |
307 | w32font_has_char (entity, c) |
308 | Lisp_Object entity; | |
309 | int c; | |
f7a84cb4 | 310 | { |
e6eee6ae JR |
311 | /* We can't be certain about which characters a font will support until |
312 | we open it. Checking the scripts that the font supports turns out | |
313 | to not be reliable. */ | |
314 | return -1; | |
315 | ||
316 | #if 0 | |
d205d43b | 317 | Lisp_Object supported_scripts, extra, script; |
f7a84cb4 JR |
318 | DWORD mask; |
319 | ||
01dbeb0b JR |
320 | extra = AREF (entity, FONT_EXTRA_INDEX); |
321 | if (!CONSP (extra)) | |
322 | return -1; | |
323 | ||
d205d43b | 324 | supported_scripts = assq_no_quit (QCscript, extra); |
6a8082b5 JR |
325 | /* If font doesn't claim to support any scripts, then we can't be certain |
326 | until we open it. */ | |
d205d43b | 327 | if (!CONSP (supported_scripts)) |
f7a84cb4 JR |
328 | return -1; |
329 | ||
d205d43b | 330 | supported_scripts = XCDR (supported_scripts); |
f7a84cb4 | 331 | |
d205d43b | 332 | script = CHAR_TABLE_REF (Vchar_script_table, c); |
f7a84cb4 | 333 | |
6a8082b5 JR |
334 | /* If we don't know what script the character is from, then we can't be |
335 | certain until we open it. Also if the font claims support for the script | |
336 | the character is from, it may only have partial coverage, so we still | |
337 | can't be certain until we open the font. */ | |
338 | if (NILP (script) || memq_no_quit (script, supported_scripts)) | |
339 | return -1; | |
340 | ||
341 | /* Font reports what scripts it supports, and none of them are the script | |
e6eee6ae JR |
342 | the character is from. But we still can't be certain, as some fonts |
343 | will contain some/most/all of the characters in that script without | |
344 | claiming support for it. */ | |
345 | return -1; | |
346 | #endif | |
f7a84cb4 JR |
347 | } |
348 | ||
349 | /* w32 implementation of encode_char for font backend. | |
350 | Return a glyph code of FONT for characer C (Unicode code point). | |
bd187c49 JR |
351 | If FONT doesn't have such a glyph, return FONT_INVALID_CODE. |
352 | ||
353 | For speed, the gdi backend uses unicode (Emacs calls encode_char | |
354 | far too often for it to be efficient). But we still need to detect | |
355 | which characters are not supported by the font. | |
356 | */ | |
34fd2d28 | 357 | static unsigned |
20399669 JR |
358 | w32font_encode_char (font, c) |
359 | struct font *font; | |
360 | int c; | |
f7a84cb4 | 361 | { |
bd187c49 | 362 | struct w32font_info * w32_font = (struct w32font_info *)font; |
34fd2d28 | 363 | |
bd187c49 JR |
364 | if (c < w32_font->metrics.tmFirstChar |
365 | || c > w32_font->metrics.tmLastChar) | |
366 | return FONT_INVALID_CODE; | |
34fd2d28 | 367 | else |
bd187c49 | 368 | return c; |
f7a84cb4 JR |
369 | } |
370 | ||
371 | /* w32 implementation of text_extents for font backend. | |
372 | Perform the size computation of glyphs of FONT and fillin members | |
373 | of METRICS. The glyphs are specified by their glyph codes in | |
78573c57 | 374 | CODE (length NGLYPHS). Apparently metrics can be NULL, in this |
f7a84cb4 | 375 | case just return the overall width. */ |
46fd1ded | 376 | int |
20399669 JR |
377 | w32font_text_extents (font, code, nglyphs, metrics) |
378 | struct font *font; | |
379 | unsigned *code; | |
380 | int nglyphs; | |
381 | struct font_metrics *metrics; | |
f7a84cb4 JR |
382 | { |
383 | int i; | |
2a36efcf JR |
384 | HFONT old_font = NULL; |
385 | HDC dc = NULL; | |
46fd1ded | 386 | struct frame * f; |
f7a84cb4 | 387 | int total_width = 0; |
f31cf550 | 388 | WORD *wcode; |
d205d43b | 389 | SIZE size; |
f7a84cb4 | 390 | |
1b5defe6 JR |
391 | struct w32font_info *w32_font = (struct w32font_info *) font; |
392 | ||
f7a84cb4 JR |
393 | if (metrics) |
394 | { | |
ba93d684 | 395 | bzero (metrics, sizeof (struct font_metrics)); |
388c38f9 JR |
396 | metrics->ascent = font->ascent; |
397 | metrics->descent = font->descent; | |
f7a84cb4 JR |
398 | |
399 | for (i = 0; i < nglyphs; i++) | |
400 | { | |
8f112d52 JR |
401 | struct w32_metric_cache *char_metric; |
402 | int block = *(code + i) / CACHE_BLOCKSIZE; | |
403 | int pos_in_block = *(code + i) % CACHE_BLOCKSIZE; | |
404 | ||
405 | if (block >= w32_font->n_cache_blocks) | |
406 | { | |
407 | if (!w32_font->cached_metrics) | |
408 | w32_font->cached_metrics | |
409 | = xmalloc ((block + 1) | |
9cac6313 | 410 | * sizeof (struct w32_metric_cache *)); |
8f112d52 JR |
411 | else |
412 | w32_font->cached_metrics | |
413 | = xrealloc (w32_font->cached_metrics, | |
414 | (block + 1) | |
9cac6313 | 415 | * sizeof (struct w32_metric_cache *)); |
8f112d52 JR |
416 | bzero (w32_font->cached_metrics + w32_font->n_cache_blocks, |
417 | ((block + 1 - w32_font->n_cache_blocks) | |
9cac6313 | 418 | * sizeof (struct w32_metric_cache *))); |
8f112d52 JR |
419 | w32_font->n_cache_blocks = block + 1; |
420 | } | |
421 | ||
422 | if (!w32_font->cached_metrics[block]) | |
423 | { | |
424 | w32_font->cached_metrics[block] | |
9cac6313 | 425 | = xmalloc (CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); |
8f112d52 | 426 | bzero (w32_font->cached_metrics[block], |
9cac6313 | 427 | CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); |
8f112d52 JR |
428 | } |
429 | ||
430 | char_metric = w32_font->cached_metrics[block] + pos_in_block; | |
431 | ||
432 | if (char_metric->status == W32METRIC_NO_ATTEMPT) | |
433 | { | |
434 | if (dc == NULL) | |
435 | { | |
436 | /* TODO: Frames can come and go, and their fonts | |
437 | outlive them. So we can't cache the frame in the | |
438 | font structure. Use selected_frame until the API | |
439 | is updated to pass in a frame. */ | |
440 | f = XFRAME (selected_frame); | |
9c623c85 | 441 | |
2a36efcf | 442 | dc = get_frame_dc (f); |
1b5defe6 | 443 | old_font = SelectObject (dc, w32_font->hfont); |
8f112d52 JR |
444 | } |
445 | compute_metrics (dc, w32_font, *(code + i), char_metric); | |
446 | } | |
78573c57 | 447 | |
8f112d52 JR |
448 | if (char_metric->status == W32METRIC_SUCCESS) |
449 | { | |
450 | metrics->lbearing = min (metrics->lbearing, | |
451 | metrics->width + char_metric->lbearing); | |
452 | metrics->rbearing = max (metrics->rbearing, | |
453 | metrics->width + char_metric->rbearing); | |
454 | metrics->width += char_metric->width; | |
455 | } | |
456 | else | |
457 | /* If we couldn't get metrics for a char, | |
458 | use alternative method. */ | |
459 | break; | |
460 | } | |
78573c57 JR |
461 | /* If we got through everything, return. */ |
462 | if (i == nglyphs) | |
463 | { | |
2a36efcf JR |
464 | if (dc != NULL) |
465 | { | |
466 | /* Restore state and release DC. */ | |
467 | SelectObject (dc, old_font); | |
468 | release_frame_dc (f, dc); | |
469 | } | |
78573c57 JR |
470 | |
471 | return metrics->width; | |
472 | } | |
f7a84cb4 | 473 | } |
78573c57 | 474 | |
56df6710 JR |
475 | /* For non-truetype fonts, GetGlyphOutlineW is not supported, so |
476 | fallback on other methods that will at least give some of the metric | |
477 | information. */ | |
b003e5ff | 478 | |
f31cf550 JR |
479 | /* Make array big enough to hold surrogates. */ |
480 | wcode = alloca (nglyphs * sizeof (WORD) * 2); | |
481 | for (i = 0; i < nglyphs; i++) | |
482 | { | |
483 | if (code[i] < 0x10000) | |
484 | wcode[i] = code[i]; | |
485 | else | |
486 | { | |
487 | DWORD surrogate = code[i] - 0x10000; | |
488 | ||
489 | /* High surrogate: U+D800 - U+DBFF. */ | |
490 | wcode[i++] = 0xD800 + ((surrogate >> 10) & 0x03FF); | |
491 | /* Low surrogate: U+DC00 - U+DFFF. */ | |
492 | wcode[i] = 0xDC00 + (surrogate & 0x03FF); | |
493 | /* An extra glyph. wcode is already double the size of code to | |
494 | cope with this. */ | |
495 | nglyphs++; | |
496 | } | |
497 | } | |
498 | ||
2a36efcf JR |
499 | if (dc == NULL) |
500 | { | |
8f112d52 JR |
501 | /* TODO: Frames can come and go, and their fonts outlive |
502 | them. So we can't cache the frame in the font structure. Use | |
503 | selected_frame until the API is updated to pass in a | |
504 | frame. */ | |
505 | f = XFRAME (selected_frame); | |
506 | ||
2a36efcf | 507 | dc = get_frame_dc (f); |
1b5defe6 | 508 | old_font = SelectObject (dc, w32_font->hfont); |
2a36efcf JR |
509 | } |
510 | ||
d205d43b | 511 | if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size)) |
f7a84cb4 | 512 | { |
d205d43b | 513 | total_width = size.cx; |
f7a84cb4 JR |
514 | } |
515 | ||
56df6710 JR |
516 | /* On 95/98/ME, only some unicode functions are available, so fallback |
517 | on doing a dummy draw to find the total width. */ | |
d205d43b | 518 | if (!total_width) |
f7a84cb4 JR |
519 | { |
520 | RECT rect; | |
5f18d119 | 521 | rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1; |
f7a84cb4 JR |
522 | DrawTextW (dc, wcode, nglyphs, &rect, |
523 | DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE); | |
524 | total_width = rect.right; | |
525 | } | |
d205d43b | 526 | |
56df6710 | 527 | /* Give our best estimate of the metrics, based on what we know. */ |
78573c57 JR |
528 | if (metrics) |
529 | { | |
79ca7db1 | 530 | metrics->width = total_width - w32_font->metrics.tmOverhang; |
78573c57 | 531 | metrics->lbearing = 0; |
79ca7db1 | 532 | metrics->rbearing = total_width; |
78573c57 JR |
533 | } |
534 | ||
f7a84cb4 JR |
535 | /* Restore state and release DC. */ |
536 | SelectObject (dc, old_font); | |
46fd1ded | 537 | release_frame_dc (f, dc); |
f7a84cb4 JR |
538 | |
539 | return total_width; | |
540 | } | |
541 | ||
542 | /* w32 implementation of draw for font backend. | |
543 | Optional. | |
544 | Draw glyphs between FROM and TO of S->char2b at (X Y) pixel | |
545 | position of frame F with S->FACE and S->GC. If WITH_BACKGROUND | |
546 | is nonzero, fill the background in advance. It is assured that | |
a74ddbda JR |
547 | WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars). |
548 | ||
549 | TODO: Currently this assumes that the colors and fonts are already | |
550 | set in the DC. This seems to be true now, but maybe only due to | |
551 | the old font code setting it up. It may be safer to resolve faces | |
552 | and fonts in here and set them explicitly | |
553 | */ | |
554 | ||
46fd1ded | 555 | int |
20399669 JR |
556 | w32font_draw (s, from, to, x, y, with_background) |
557 | struct glyph_string *s; | |
558 | int from, to, x, y, with_background; | |
f7a84cb4 | 559 | { |
34fd2d28 | 560 | UINT options; |
f70eb806 | 561 | HRGN orig_clip = NULL; |
5f18d119 | 562 | struct w32font_info *w32font = (struct w32font_info *) s->font; |
34fd2d28 JR |
563 | |
564 | options = w32font->glyph_idx; | |
5c2c9c79 | 565 | |
5c2c9c79 JR |
566 | if (s->num_clips > 0) |
567 | { | |
568 | HRGN new_clip = CreateRectRgnIndirect (s->clip); | |
569 | ||
f70eb806 JR |
570 | /* Save clip region for later restoration. */ |
571 | orig_clip = CreateRectRgn (0, 0, 0, 0); | |
572 | if (!GetClipRgn(s->hdc, orig_clip)) | |
573 | { | |
574 | DeleteObject (orig_clip); | |
575 | orig_clip = NULL; | |
576 | } | |
577 | ||
5c2c9c79 JR |
578 | if (s->num_clips > 1) |
579 | { | |
580 | HRGN clip2 = CreateRectRgnIndirect (s->clip + 1); | |
581 | ||
582 | CombineRgn (new_clip, new_clip, clip2, RGN_OR); | |
583 | DeleteObject (clip2); | |
584 | } | |
585 | ||
586 | SelectClipRgn (s->hdc, new_clip); | |
587 | DeleteObject (new_clip); | |
588 | } | |
f7a84cb4 | 589 | |
fb3b8017 JR |
590 | /* Using OPAQUE background mode can clear more background than expected |
591 | when Cleartype is used. Draw the background manually to avoid this. */ | |
592 | SetBkMode (s->hdc, TRANSPARENT); | |
f7a84cb4 JR |
593 | if (with_background) |
594 | { | |
1065a502 JR |
595 | HBRUSH brush; |
596 | RECT rect; | |
5f18d119 | 597 | struct font *font = s->font; |
1065a502 JR |
598 | |
599 | brush = CreateSolidBrush (s->gc->background); | |
600 | rect.left = x; | |
fb3b8017 | 601 | rect.top = y - font->ascent; |
1065a502 | 602 | rect.right = x + s->width; |
fb3b8017 | 603 | rect.bottom = y + font->descent; |
1065a502 | 604 | FillRect (s->hdc, &rect, brush); |
f2b25c0e | 605 | DeleteObject (brush); |
f7a84cb4 | 606 | } |
040fe918 | 607 | |
de63f07f KH |
608 | if (s->padding_p) |
609 | { | |
610 | int len = to - from, i; | |
611 | ||
612 | for (i = 0; i < len; i++) | |
613 | ExtTextOutW (s->hdc, x + i, y, options, NULL, | |
8501c48b | 614 | s->char2b + from + i, 1, NULL); |
de63f07f KH |
615 | } |
616 | else | |
617 | ExtTextOutW (s->hdc, x, y, options, NULL, s->char2b + from, to - from, NULL); | |
5c2c9c79 JR |
618 | |
619 | /* Restore clip region. */ | |
620 | if (s->num_clips > 0) | |
f70eb806 JR |
621 | SelectClipRgn (s->hdc, orig_clip); |
622 | ||
623 | if (orig_clip) | |
624 | DeleteObject (orig_clip); | |
f7a84cb4 JR |
625 | } |
626 | ||
627 | /* w32 implementation of free_entity for font backend. | |
628 | Optional (if FONT_EXTRA_INDEX is not Lisp_Save_Value). | |
629 | Free FONT_EXTRA_INDEX field of FONT_ENTITY. | |
20399669 JR |
630 | static void |
631 | w32font_free_entity (Lisp_Object entity); | |
f7a84cb4 JR |
632 | */ |
633 | ||
634 | /* w32 implementation of prepare_face for font backend. | |
635 | Optional (if FACE->extra is not used). | |
636 | Prepare FACE for displaying characters by FONT on frame F by | |
637 | storing some data in FACE->extra. If successful, return 0. | |
638 | Otherwise, return -1. | |
20399669 JR |
639 | static int |
640 | w32font_prepare_face (FRAME_PTR f, struct face *face); | |
f7a84cb4 JR |
641 | */ |
642 | /* w32 implementation of done_face for font backend. | |
643 | Optional. | |
644 | Done FACE for displaying characters by FACE->font on frame F. | |
20399669 JR |
645 | static void |
646 | w32font_done_face (FRAME_PTR f, struct face *face); */ | |
f7a84cb4 JR |
647 | |
648 | /* w32 implementation of get_bitmap for font backend. | |
649 | Optional. | |
650 | Store bitmap data for glyph-code CODE of FONT in BITMAP. It is | |
f2b25c0e | 651 | intended that this method is called from the other font-driver |
f7a84cb4 | 652 | for actual drawing. |
20399669 JR |
653 | static int |
654 | w32font_get_bitmap (struct font *font, unsigned code, | |
655 | struct font_bitmap *bitmap, int bits_per_pixel); | |
f7a84cb4 JR |
656 | */ |
657 | /* w32 implementation of free_bitmap for font backend. | |
658 | Optional. | |
659 | Free bitmap data in BITMAP. | |
20399669 JR |
660 | static void |
661 | w32font_free_bitmap (struct font *font, struct font_bitmap *bitmap); | |
f7a84cb4 JR |
662 | */ |
663 | /* w32 implementation of get_outline for font backend. | |
664 | Optional. | |
665 | Return an outline data for glyph-code CODE of FONT. The format | |
666 | of the outline data depends on the font-driver. | |
20399669 JR |
667 | static void * |
668 | w32font_get_outline (struct font *font, unsigned code); | |
f7a84cb4 JR |
669 | */ |
670 | /* w32 implementation of free_outline for font backend. | |
671 | Optional. | |
672 | Free OUTLINE (that is obtained by the above method). | |
20399669 JR |
673 | static void |
674 | w32font_free_outline (struct font *font, void *outline); | |
f7a84cb4 JR |
675 | */ |
676 | /* w32 implementation of anchor_point for font backend. | |
677 | Optional. | |
678 | Get coordinates of the INDEXth anchor point of the glyph whose | |
679 | code is CODE. Store the coordinates in *X and *Y. Return 0 if | |
680 | the operations was successfull. Otherwise return -1. | |
20399669 JR |
681 | static int |
682 | w32font_anchor_point (struct font *font, unsigned code, | |
f7a84cb4 JR |
683 | int index, int *x, int *y); |
684 | */ | |
685 | /* w32 implementation of otf_capability for font backend. | |
686 | Optional. | |
687 | Return a list describing which scripts/languages FONT | |
688 | supports by which GSUB/GPOS features of OpenType tables. | |
20399669 JR |
689 | static Lisp_Object |
690 | w32font_otf_capability (struct font *font); | |
f7a84cb4 JR |
691 | */ |
692 | /* w32 implementation of otf_drive for font backend. | |
693 | Optional. | |
694 | Apply FONT's OTF-FEATURES to the glyph string. | |
695 | ||
696 | FEATURES specifies which OTF features to apply in this format: | |
697 | (SCRIPT LANGSYS GSUB-FEATURE GPOS-FEATURE) | |
698 | See the documentation of `font-drive-otf' for the detail. | |
699 | ||
700 | This method applies the specified features to the codes in the | |
701 | elements of GSTRING-IN (between FROMth and TOth). The output | |
702 | codes are stored in GSTRING-OUT at the IDXth element and the | |
703 | following elements. | |
704 | ||
705 | Return the number of output codes. If none of the features are | |
706 | applicable to the input data, return 0. If GSTRING-OUT is too | |
707 | short, return -1. | |
20399669 JR |
708 | static int |
709 | w32font_otf_drive (struct font *font, Lisp_Object features, | |
710 | Lisp_Object gstring_in, int from, int to, | |
711 | Lisp_Object gstring_out, int idx, | |
712 | int alternate_subst); | |
f7a84cb4 JR |
713 | */ |
714 | ||
46fd1ded JR |
715 | /* Internal implementation of w32font_list. |
716 | Additional parameter opentype_only restricts the returned fonts to | |
717 | opentype fonts, which can be used with the Uniscribe backend. */ | |
718 | Lisp_Object | |
719 | w32font_list_internal (frame, font_spec, opentype_only) | |
720 | Lisp_Object frame, font_spec; | |
721 | int opentype_only; | |
722 | { | |
723 | struct font_callback_data match_data; | |
724 | HDC dc; | |
725 | FRAME_PTR f = XFRAME (frame); | |
726 | ||
727 | match_data.orig_font_spec = font_spec; | |
728 | match_data.list = Qnil; | |
729 | match_data.frame = frame; | |
730 | ||
731 | bzero (&match_data.pattern, sizeof (LOGFONT)); | |
732 | fill_in_logfont (f, &match_data.pattern, font_spec); | |
733 | ||
734 | match_data.opentype_only = opentype_only; | |
735 | if (opentype_only) | |
736 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
737 | ||
738 | if (match_data.pattern.lfFaceName[0] == '\0') | |
739 | { | |
740 | /* EnumFontFamiliesEx does not take other fields into account if | |
741 | font name is blank, so need to use two passes. */ | |
742 | list_all_matching_fonts (&match_data); | |
743 | } | |
744 | else | |
745 | { | |
746 | dc = get_frame_dc (f); | |
747 | ||
748 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
749 | (FONTENUMPROC) add_font_entity_to_list, | |
750 | (LPARAM) &match_data, 0); | |
751 | release_frame_dc (f, dc); | |
752 | } | |
753 | ||
5f18d119 | 754 | return NILP (match_data.list) ? Qnil : match_data.list; |
46fd1ded JR |
755 | } |
756 | ||
757 | /* Internal implementation of w32font_match. | |
758 | Additional parameter opentype_only restricts the returned fonts to | |
759 | opentype fonts, which can be used with the Uniscribe backend. */ | |
760 | Lisp_Object | |
761 | w32font_match_internal (frame, font_spec, opentype_only) | |
762 | Lisp_Object frame, font_spec; | |
763 | int opentype_only; | |
764 | { | |
765 | struct font_callback_data match_data; | |
766 | HDC dc; | |
767 | FRAME_PTR f = XFRAME (frame); | |
768 | ||
769 | match_data.orig_font_spec = font_spec; | |
770 | match_data.frame = frame; | |
771 | match_data.list = Qnil; | |
772 | ||
773 | bzero (&match_data.pattern, sizeof (LOGFONT)); | |
774 | fill_in_logfont (f, &match_data.pattern, font_spec); | |
775 | ||
776 | match_data.opentype_only = opentype_only; | |
777 | if (opentype_only) | |
778 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
779 | ||
780 | dc = get_frame_dc (f); | |
781 | ||
782 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
783 | (FONTENUMPROC) add_one_font_entity_to_list, | |
784 | (LPARAM) &match_data, 0); | |
785 | release_frame_dc (f, dc); | |
786 | ||
787 | return NILP (match_data.list) ? Qnil : XCAR (match_data.list); | |
788 | } | |
789 | ||
f0121ad2 | 790 | int |
5f18d119 | 791 | w32font_open_internal (f, font_entity, pixel_size, font_object) |
f0121ad2 JR |
792 | FRAME_PTR f; |
793 | Lisp_Object font_entity; | |
794 | int pixel_size; | |
5f18d119 | 795 | Lisp_Object font_object; |
f0121ad2 | 796 | { |
5f18d119 | 797 | int len, size, i; |
f0121ad2 JR |
798 | LOGFONT logfont; |
799 | HDC dc; | |
800 | HFONT hfont, old_font; | |
801 | Lisp_Object val, extra; | |
5f18d119 KH |
802 | struct w32font_info *w32_font; |
803 | struct font * font; | |
bd187c49 | 804 | OUTLINETEXTMETRICW* metrics = NULL; |
5f18d119 KH |
805 | |
806 | w32_font = (struct w32font_info *) XFONT_OBJECT (font_object); | |
807 | font = (struct font *) w32_font; | |
f0121ad2 | 808 | |
f0121ad2 JR |
809 | if (!font) |
810 | return 0; | |
811 | ||
812 | bzero (&logfont, sizeof (logfont)); | |
813 | fill_in_logfont (f, &logfont, font_entity); | |
814 | ||
1519d52e JR |
815 | /* Prefer truetype fonts, to avoid known problems with type1 fonts, and |
816 | limitations in bitmap fonts. */ | |
817 | val = AREF (font_entity, FONT_FOUNDRY_INDEX); | |
818 | if (!EQ (val, Qraster)) | |
819 | logfont.lfOutPrecision = OUT_TT_PRECIS; | |
820 | ||
f0121ad2 JR |
821 | size = XINT (AREF (font_entity, FONT_SIZE_INDEX)); |
822 | if (!size) | |
823 | size = pixel_size; | |
824 | ||
825 | logfont.lfHeight = -size; | |
826 | hfont = CreateFontIndirect (&logfont); | |
827 | ||
828 | if (hfont == NULL) | |
829 | return 0; | |
830 | ||
f0121ad2 JR |
831 | /* Get the metrics for this font. */ |
832 | dc = get_frame_dc (f); | |
833 | old_font = SelectObject (dc, hfont); | |
834 | ||
5f18d119 | 835 | /* Try getting the outline metrics (only works for truetype fonts). */ |
bd187c49 | 836 | len = GetOutlineTextMetricsW (dc, 0, NULL); |
5f18d119 KH |
837 | if (len) |
838 | { | |
bd187c49 JR |
839 | metrics = (OUTLINETEXTMETRICW *) alloca (len); |
840 | if (GetOutlineTextMetricsW (dc, len, metrics)) | |
5f18d119 | 841 | bcopy (&metrics->otmTextMetrics, &w32_font->metrics, |
bd187c49 | 842 | sizeof (TEXTMETRICW)); |
5f18d119 KH |
843 | else |
844 | metrics = NULL; | |
845 | } | |
f0121ad2 | 846 | |
943f2093 | 847 | if (!metrics) |
b0857706 | 848 | GetTextMetricsW (dc, &w32_font->metrics); |
b003e5ff | 849 | |
8f112d52 JR |
850 | w32_font->cached_metrics = NULL; |
851 | w32_font->n_cache_blocks = 0; | |
54efdcd1 | 852 | |
f0121ad2 JR |
853 | SelectObject (dc, old_font); |
854 | release_frame_dc (f, dc); | |
34fd2d28 | 855 | |
1b5defe6 | 856 | w32_font->hfont = hfont; |
f0121ad2 | 857 | |
5ace1ec1 JR |
858 | { |
859 | char *name; | |
860 | ||
861 | /* We don't know how much space we need for the full name, so start with | |
862 | 96 bytes and go up in steps of 32. */ | |
863 | len = 96; | |
c35f9821 | 864 | name = alloca (len); |
67997c79 JR |
865 | while (name && w32font_full_name (&logfont, font_entity, pixel_size, |
866 | name, len) < 0) | |
5ace1ec1 | 867 | { |
c35f9821 JR |
868 | len += 32; |
869 | name = alloca (len); | |
5ace1ec1 JR |
870 | } |
871 | if (name) | |
5f18d119 | 872 | font->props[FONT_FULLNAME_INDEX] |
e6df5336 | 873 | = DECODE_SYSTEM (build_string (name)); |
5ace1ec1 | 874 | else |
e6df5336 JR |
875 | font->props[FONT_FULLNAME_INDEX] |
876 | = DECODE_SYSTEM (build_string (logfont.lfFaceName)); | |
5ace1ec1 | 877 | } |
5f18d119 KH |
878 | |
879 | font->max_width = w32_font->metrics.tmMaxCharWidth; | |
b003e5ff | 880 | /* Parts of Emacs display assume that height = ascent + descent... |
9196133b | 881 | so height is defined later, after ascent and descent. |
5f18d119 | 882 | font->height = w32_font->metrics.tmHeight |
f0121ad2 | 883 | + w32_font->metrics.tmExternalLeading; |
9196133b JR |
884 | */ |
885 | ||
5f18d119 KH |
886 | font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth; |
887 | ||
888 | font->vertical_centering = 0; | |
889 | font->encoding_type = 0; | |
890 | font->baseline_offset = 0; | |
891 | font->relative_compose = 0; | |
892 | font->default_ascent = w32_font->metrics.tmAscent; | |
893 | font->font_encoder = NULL; | |
f0121ad2 JR |
894 | font->pixel_size = size; |
895 | font->driver = &w32font_driver; | |
34fd2d28 JR |
896 | /* Use format cached during list, as the information we have access to |
897 | here is incomplete. */ | |
898 | extra = AREF (font_entity, FONT_EXTRA_INDEX); | |
899 | if (CONSP (extra)) | |
900 | { | |
901 | val = assq_no_quit (QCformat, extra); | |
902 | if (CONSP (val)) | |
5f18d119 | 903 | font->props[FONT_FORMAT_INDEX] = XCDR (val); |
34fd2d28 | 904 | else |
5f18d119 | 905 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 JR |
906 | } |
907 | else | |
5f18d119 | 908 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 | 909 | |
5f18d119 | 910 | font->props[FONT_FILE_INDEX] = Qnil; |
f0121ad2 JR |
911 | font->encoding_charset = -1; |
912 | font->repertory_charset = -1; | |
04b65d2b | 913 | /* TODO: do we really want the minimum width here, which could be negative? */ |
5f18d119 | 914 | font->min_width = font->space_width; |
f0121ad2 JR |
915 | font->ascent = w32_font->metrics.tmAscent; |
916 | font->descent = w32_font->metrics.tmDescent; | |
9196133b | 917 | font->height = font->ascent + font->descent; |
5f18d119 KH |
918 | |
919 | if (metrics) | |
920 | { | |
921 | font->underline_thickness = metrics->otmsUnderscoreSize; | |
922 | font->underline_position = -metrics->otmsUnderscorePosition; | |
923 | } | |
924 | else | |
925 | { | |
926 | font->underline_thickness = 0; | |
927 | font->underline_position = -1; | |
928 | } | |
f0121ad2 | 929 | |
5f18d119 KH |
930 | /* For temporary compatibility with legacy code that expects the |
931 | name to be usable in x-list-fonts. Eventually we expect to change | |
932 | x-list-fonts and other places that use fonts so that this can be | |
933 | an fcname or similar. */ | |
a30e1957 | 934 | font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil); |
04b65d2b | 935 | |
f0121ad2 JR |
936 | return 1; |
937 | } | |
938 | ||
f7a84cb4 JR |
939 | /* Callback function for EnumFontFamiliesEx. |
940 | * Adds the name of a font to a Lisp list (passed in as the lParam arg). */ | |
20399669 JR |
941 | static int CALLBACK |
942 | add_font_name_to_list (logical_font, physical_font, font_type, list_object) | |
943 | ENUMLOGFONTEX *logical_font; | |
944 | NEWTEXTMETRICEX *physical_font; | |
945 | DWORD font_type; | |
946 | LPARAM list_object; | |
f7a84cb4 JR |
947 | { |
948 | Lisp_Object* list = (Lisp_Object *) list_object; | |
20a2b756 JR |
949 | Lisp_Object family; |
950 | ||
951 | /* Skip vertical fonts (intended only for printing) */ | |
952 | if (logical_font->elfLogFont.lfFaceName[0] == '@') | |
953 | return 1; | |
954 | ||
e6df5336 | 955 | family = intern_font_name (logical_font->elfLogFont.lfFaceName); |
f7a84cb4 JR |
956 | if (! memq_no_quit (family, *list)) |
957 | *list = Fcons (family, *list); | |
958 | ||
959 | return 1; | |
960 | } | |
961 | ||
5f18d119 KH |
962 | static int w32_decode_weight P_ ((int)); |
963 | static int w32_encode_weight P_ ((int)); | |
964 | ||
f7a84cb4 | 965 | /* Convert an enumerated Windows font to an Emacs font entity. */ |
20399669 | 966 | static Lisp_Object |
91583281 | 967 | w32_enumfont_pattern_entity (frame, logical_font, physical_font, |
34fd2d28 | 968 | font_type, requested_font, backend) |
d205d43b | 969 | Lisp_Object frame; |
20399669 JR |
970 | ENUMLOGFONTEX *logical_font; |
971 | NEWTEXTMETRICEX *physical_font; | |
972 | DWORD font_type; | |
91583281 | 973 | LOGFONT *requested_font; |
34fd2d28 | 974 | Lisp_Object backend; |
f7a84cb4 JR |
975 | { |
976 | Lisp_Object entity, tem; | |
977 | LOGFONT *lf = (LOGFONT*) logical_font; | |
978 | BYTE generic_type; | |
56df6710 | 979 | DWORD full_type = physical_font->ntmTm.ntmFlags; |
f7a84cb4 | 980 | |
5f18d119 | 981 | entity = font_make_entity (); |
f7a84cb4 | 982 | |
34fd2d28 | 983 | ASET (entity, FONT_TYPE_INDEX, backend); |
c960bff8 | 984 | ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type)); |
f7a84cb4 JR |
985 | ASET (entity, FONT_OBJLIST_INDEX, Qnil); |
986 | ||
987 | /* Foundry is difficult to get in readable form on Windows. | |
d205d43b | 988 | But Emacs crashes if it is not set, so set it to something more |
9c623c85 | 989 | generic. These values make xlfds compatible with Emacs 22. */ |
d205d43b JR |
990 | if (lf->lfOutPrecision == OUT_STRING_PRECIS) |
991 | tem = Qraster; | |
992 | else if (lf->lfOutPrecision == OUT_STROKE_PRECIS) | |
993 | tem = Qoutline; | |
994 | else | |
995 | tem = Qunknown; | |
996 | ||
997 | ASET (entity, FONT_FOUNDRY_INDEX, tem); | |
998 | ||
999 | /* Save the generic family in the extra info, as it is likely to be | |
1000 | useful to users looking for a close match. */ | |
f7a84cb4 JR |
1001 | generic_type = physical_font->ntmTm.tmPitchAndFamily & 0xF0; |
1002 | if (generic_type == FF_DECORATIVE) | |
1003 | tem = Qdecorative; | |
1004 | else if (generic_type == FF_MODERN) | |
9e1a2995 | 1005 | tem = Qmono; |
f7a84cb4 | 1006 | else if (generic_type == FF_ROMAN) |
d205d43b | 1007 | tem = Qserif; |
f7a84cb4 JR |
1008 | else if (generic_type == FF_SCRIPT) |
1009 | tem = Qscript; | |
1010 | else if (generic_type == FF_SWISS) | |
9e1a2995 | 1011 | tem = Qsans; |
f7a84cb4 | 1012 | else |
5f18d119 | 1013 | tem = Qnil; |
9e1a2995 JR |
1014 | |
1015 | ASET (entity, FONT_ADSTYLE_INDEX, tem); | |
f7a84cb4 | 1016 | |
d205d43b | 1017 | if (physical_font->ntmTm.tmPitchAndFamily & 0x01) |
5f18d119 | 1018 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL)); |
d205d43b | 1019 | else |
ed18e612 | 1020 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL)); |
f7a84cb4 | 1021 | |
91583281 JR |
1022 | if (requested_font->lfQuality != DEFAULT_QUALITY) |
1023 | { | |
1024 | font_put_extra (entity, QCantialias, | |
1025 | lispy_antialias_type (requested_font->lfQuality)); | |
1026 | } | |
f7a84cb4 | 1027 | ASET (entity, FONT_FAMILY_INDEX, |
e6df5336 | 1028 | intern_font_name (lf->lfFaceName)); |
f7a84cb4 | 1029 | |
5f18d119 KH |
1030 | FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, |
1031 | make_number (w32_decode_weight (lf->lfWeight))); | |
1032 | FONT_SET_STYLE (entity, FONT_SLANT_INDEX, | |
1033 | make_number (lf->lfItalic ? 200 : 100)); | |
d205d43b JR |
1034 | /* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics |
1035 | to get it. */ | |
5f18d119 | 1036 | FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100)); |
f7a84cb4 | 1037 | |
040fe918 | 1038 | if (font_type & RASTER_FONTTYPE) |
597634cb JR |
1039 | ASET (entity, FONT_SIZE_INDEX, |
1040 | make_number (physical_font->ntmTm.tmHeight | |
1041 | + physical_font->ntmTm.tmExternalLeading)); | |
040fe918 JR |
1042 | else |
1043 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
f7a84cb4 JR |
1044 | |
1045 | /* Cache unicode codepoints covered by this font, as there is no other way | |
1046 | of getting this information easily. */ | |
040fe918 | 1047 | if (font_type & TRUETYPE_FONTTYPE) |
f7a84cb4 | 1048 | { |
aee986fd JR |
1049 | tem = font_supported_scripts (&physical_font->ntmFontSig); |
1050 | if (!NILP (tem)) | |
1051 | font_put_extra (entity, QCscript, tem); | |
f7a84cb4 | 1052 | } |
d205d43b | 1053 | |
34fd2d28 JR |
1054 | /* This information is not fully available when opening fonts, so |
1055 | save it here. Only Windows 2000 and later return information | |
1056 | about opentype and type1 fonts, so need a fallback for detecting | |
1057 | truetype so that this information is not any worse than we could | |
1058 | have obtained later. */ | |
56df6710 JR |
1059 | if (EQ (backend, Quniscribe) && (full_type & NTMFLAGS_OPENTYPE)) |
1060 | tem = intern ("opentype"); | |
1061 | else if (font_type & TRUETYPE_FONTTYPE) | |
34fd2d28 | 1062 | tem = intern ("truetype"); |
34fd2d28 JR |
1063 | else if (full_type & NTM_PS_OPENTYPE) |
1064 | tem = intern ("postscript"); | |
56df6710 JR |
1065 | else if (full_type & NTM_TYPE1) |
1066 | tem = intern ("type1"); | |
34fd2d28 JR |
1067 | else if (font_type & RASTER_FONTTYPE) |
1068 | tem = intern ("w32bitmap"); | |
1069 | else | |
1070 | tem = intern ("w32vector"); | |
1071 | ||
1072 | font_put_extra (entity, QCformat, tem); | |
1073 | ||
f7a84cb4 JR |
1074 | return entity; |
1075 | } | |
1076 | ||
d205d43b JR |
1077 | |
1078 | /* Convert generic families to the family portion of lfPitchAndFamily. */ | |
1079 | BYTE | |
1080 | w32_generic_family (Lisp_Object name) | |
1081 | { | |
1082 | /* Generic families. */ | |
1083 | if (EQ (name, Qmonospace) || EQ (name, Qmono)) | |
1084 | return FF_MODERN; | |
9e1a2995 | 1085 | else if (EQ (name, Qsans) || EQ (name, Qsans_serif) || EQ (name, Qsansserif)) |
d205d43b JR |
1086 | return FF_SWISS; |
1087 | else if (EQ (name, Qserif)) | |
1088 | return FF_ROMAN; | |
1089 | else if (EQ (name, Qdecorative)) | |
1090 | return FF_DECORATIVE; | |
1091 | else if (EQ (name, Qscript)) | |
1092 | return FF_SCRIPT; | |
1093 | else | |
1094 | return FF_DONTCARE; | |
1095 | } | |
1096 | ||
1097 | static int | |
1098 | logfonts_match (font, pattern) | |
1099 | LOGFONT *font, *pattern; | |
1100 | { | |
1101 | /* Only check height for raster fonts. */ | |
1102 | if (pattern->lfHeight && font->lfOutPrecision == OUT_STRING_PRECIS | |
1103 | && font->lfHeight != pattern->lfHeight) | |
1104 | return 0; | |
1105 | ||
1106 | /* Have some flexibility with weights. */ | |
1107 | if (pattern->lfWeight | |
1108 | && ((font->lfWeight < (pattern->lfWeight - 150)) | |
1109 | || font->lfWeight > (pattern->lfWeight + 150))) | |
1110 | return 0; | |
1111 | ||
1112 | /* Charset and face should be OK. Italic has to be checked | |
1113 | against the original spec, in case we don't have any preference. */ | |
1114 | return 1; | |
1115 | } | |
1116 | ||
4c100a01 JR |
1117 | /* Codepage Bitfields in FONTSIGNATURE struct. */ |
1118 | #define CSB_JAPANESE (1 << 17) | |
1119 | #define CSB_KOREAN ((1 << 19) | (1 << 21)) | |
1120 | #define CSB_CHINESE ((1 << 18) | (1 << 20)) | |
1121 | ||
d205d43b | 1122 | static int |
56df6710 | 1123 | font_matches_spec (type, font, spec, backend, logfont) |
d205d43b JR |
1124 | DWORD type; |
1125 | NEWTEXTMETRICEX *font; | |
1126 | Lisp_Object spec; | |
56df6710 JR |
1127 | Lisp_Object backend; |
1128 | LOGFONT *logfont; | |
d205d43b JR |
1129 | { |
1130 | Lisp_Object extra, val; | |
1131 | ||
1132 | /* Check italic. Can't check logfonts, since it is a boolean field, | |
1133 | so there is no difference between "non-italic" and "don't care". */ | |
5f18d119 KH |
1134 | { |
1135 | int slant = FONT_SLANT_NUMERIC (spec); | |
1136 | ||
1137 | if (slant >= 0 | |
1138 | && ((slant > 150 && !font->ntmTm.tmItalic) | |
1139 | || (slant <= 150 && font->ntmTm.tmItalic))) | |
1140 | return 0; | |
1141 | } | |
d205d43b | 1142 | |
4f2a2ee2 JR |
1143 | /* Check adstyle against generic family. */ |
1144 | val = AREF (spec, FONT_ADSTYLE_INDEX); | |
1145 | if (!NILP (val)) | |
1146 | { | |
1147 | BYTE family = w32_generic_family (val); | |
1148 | if (family != FF_DONTCARE | |
1149 | && family != (font->ntmTm.tmPitchAndFamily & 0xF0)) | |
1150 | return 0; | |
1151 | } | |
1152 | ||
5f18d119 KH |
1153 | /* Check spacing */ |
1154 | val = AREF (spec, FONT_SPACING_INDEX); | |
1155 | if (INTEGERP (val)) | |
1156 | { | |
1157 | int spacing = XINT (val); | |
1158 | int proportional = (spacing < FONT_SPACING_MONO); | |
1159 | ||
1160 | if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01)) | |
1161 | || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01))) | |
1162 | return 0; | |
1163 | } | |
1164 | ||
d205d43b JR |
1165 | /* Check extra parameters. */ |
1166 | for (extra = AREF (spec, FONT_EXTRA_INDEX); | |
1167 | CONSP (extra); extra = XCDR (extra)) | |
1168 | { | |
1169 | Lisp_Object extra_entry; | |
1170 | extra_entry = XCAR (extra); | |
1171 | if (CONSP (extra_entry)) | |
1172 | { | |
1173 | Lisp_Object key = XCAR (extra_entry); | |
d205d43b | 1174 | |
5f18d119 KH |
1175 | val = XCDR (extra_entry); |
1176 | if (EQ (key, QCscript) && SYMBOLP (val)) | |
d205d43b JR |
1177 | { |
1178 | /* Only truetype fonts will have information about what | |
1179 | scripts they support. This probably means the user | |
1180 | will have to force Emacs to use raster, postscript | |
1181 | or atm fonts for non-ASCII text. */ | |
1182 | if (type & TRUETYPE_FONTTYPE) | |
1183 | { | |
1184 | Lisp_Object support | |
1185 | = font_supported_scripts (&font->ntmFontSig); | |
1186 | if (! memq_no_quit (val, support)) | |
1187 | return 0; | |
1188 | } | |
1189 | else | |
1190 | { | |
1191 | /* Return specific matches, but play it safe. Fonts | |
1192 | that cover more than their charset would suggest | |
1193 | are likely to be truetype or opentype fonts, | |
1194 | covered above. */ | |
1195 | if (EQ (val, Qlatin)) | |
1196 | { | |
1197 | /* Although every charset but symbol, thai and | |
1198 | arabic contains the basic ASCII set of latin | |
1199 | characters, Emacs expects much more. */ | |
1200 | if (font->ntmTm.tmCharSet != ANSI_CHARSET) | |
1201 | return 0; | |
1202 | } | |
1203 | else if (EQ (val, Qsymbol)) | |
1204 | { | |
1205 | if (font->ntmTm.tmCharSet != SYMBOL_CHARSET) | |
1206 | return 0; | |
1207 | } | |
1208 | else if (EQ (val, Qcyrillic)) | |
1209 | { | |
1210 | if (font->ntmTm.tmCharSet != RUSSIAN_CHARSET) | |
1211 | return 0; | |
1212 | } | |
1213 | else if (EQ (val, Qgreek)) | |
1214 | { | |
1215 | if (font->ntmTm.tmCharSet != GREEK_CHARSET) | |
1216 | return 0; | |
1217 | } | |
1218 | else if (EQ (val, Qarabic)) | |
1219 | { | |
1220 | if (font->ntmTm.tmCharSet != ARABIC_CHARSET) | |
1221 | return 0; | |
1222 | } | |
1223 | else if (EQ (val, Qhebrew)) | |
1224 | { | |
1225 | if (font->ntmTm.tmCharSet != HEBREW_CHARSET) | |
1226 | return 0; | |
1227 | } | |
1228 | else if (EQ (val, Qthai)) | |
1229 | { | |
1230 | if (font->ntmTm.tmCharSet != THAI_CHARSET) | |
1231 | return 0; | |
1232 | } | |
1233 | else if (EQ (val, Qkana)) | |
1234 | { | |
1235 | if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1236 | return 0; | |
1237 | } | |
1238 | else if (EQ (val, Qbopomofo)) | |
1239 | { | |
1240 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET) | |
1241 | return 0; | |
1242 | } | |
1243 | else if (EQ (val, Qhangul)) | |
1244 | { | |
1245 | if (font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1246 | && font->ntmTm.tmCharSet != JOHAB_CHARSET) | |
1247 | return 0; | |
1248 | } | |
1249 | else if (EQ (val, Qhan)) | |
1250 | { | |
1251 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET | |
1252 | && font->ntmTm.tmCharSet != GB2312_CHARSET | |
1253 | && font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1254 | && font->ntmTm.tmCharSet != JOHAB_CHARSET | |
1255 | && font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1256 | return 0; | |
1257 | } | |
1258 | else | |
56df6710 JR |
1259 | /* Other scripts unlikely to be handled by non-truetype |
1260 | fonts. */ | |
d205d43b JR |
1261 | return 0; |
1262 | } | |
1263 | } | |
5f18d119 | 1264 | else if (EQ (key, QClang) && SYMBOLP (val)) |
8f112d52 | 1265 | { |
4c100a01 | 1266 | /* Just handle the CJK languages here, as the lang |
8f112d52 JR |
1267 | parameter is used to select a font with appropriate |
1268 | glyphs in the cjk unified ideographs block. Other fonts | |
1269 | support for a language can be solely determined by | |
1270 | its character coverage. */ | |
1271 | if (EQ (val, Qja)) | |
1272 | { | |
4c100a01 | 1273 | if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE)) |
8f112d52 JR |
1274 | return 0; |
1275 | } | |
1276 | else if (EQ (val, Qko)) | |
1277 | { | |
4c100a01 | 1278 | if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN)) |
8f112d52 JR |
1279 | return 0; |
1280 | } | |
1281 | else if (EQ (val, Qzh)) | |
1282 | { | |
4c100a01 JR |
1283 | if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE)) |
1284 | return 0; | |
8f112d52 JR |
1285 | } |
1286 | else | |
4c100a01 JR |
1287 | /* Any other language, we don't recognize it. Only the above |
1288 | currently appear in fontset.el, so it isn't worth | |
1289 | creating a mapping table of codepages/scripts to languages | |
1290 | or opening the font to see if there are any language tags | |
1291 | in it that the W32 API does not expose. Fontset | |
8f112d52 JR |
1292 | spec should have a fallback, as some backends do |
1293 | not recognize language at all. */ | |
1294 | return 0; | |
1295 | } | |
56df6710 JR |
1296 | else if (EQ (key, QCotf) && CONSP (val)) |
1297 | { | |
1298 | /* OTF features only supported by the uniscribe backend. */ | |
1299 | if (EQ (backend, Quniscribe)) | |
1300 | { | |
1301 | if (!uniscribe_check_otf (logfont, val)) | |
1302 | return 0; | |
1303 | } | |
1304 | else | |
1305 | return 0; | |
1306 | } | |
d205d43b JR |
1307 | } |
1308 | } | |
1309 | return 1; | |
1310 | } | |
1311 | ||
c960bff8 JR |
1312 | static int |
1313 | w32font_coverage_ok (coverage, charset) | |
1314 | FONTSIGNATURE * coverage; | |
1315 | BYTE charset; | |
1316 | { | |
1317 | DWORD subrange1 = coverage->fsUsb[1]; | |
1318 | ||
1319 | #define SUBRANGE1_HAN_MASK 0x08000000 | |
1320 | #define SUBRANGE1_HANGEUL_MASK 0x01000000 | |
1321 | #define SUBRANGE1_JAPANESE_MASK (0x00060000 | SUBRANGE1_HAN_MASK) | |
1322 | ||
1323 | if (charset == GB2312_CHARSET || charset == CHINESEBIG5_CHARSET) | |
1324 | { | |
1325 | return (subrange1 & SUBRANGE1_HAN_MASK) == SUBRANGE1_HAN_MASK; | |
1326 | } | |
1327 | else if (charset == SHIFTJIS_CHARSET) | |
1328 | { | |
1329 | return (subrange1 & SUBRANGE1_JAPANESE_MASK) == SUBRANGE1_JAPANESE_MASK; | |
1330 | } | |
1331 | else if (charset == HANGEUL_CHARSET) | |
1332 | { | |
1333 | return (subrange1 & SUBRANGE1_HANGEUL_MASK) == SUBRANGE1_HANGEUL_MASK; | |
1334 | } | |
1335 | ||
1336 | return 1; | |
1337 | } | |
1338 | ||
b0857706 JR |
1339 | |
1340 | static int | |
1341 | check_face_name (font, full_name) | |
1342 | LOGFONT *font; | |
1343 | char *full_name; | |
1344 | { | |
1345 | char full_iname[LF_FULLFACESIZE+1]; | |
1346 | ||
1347 | /* Just check for names known to cause problems, since the full name | |
1348 | can contain expanded abbreviations, prefixed foundry, postfixed | |
1349 | style, the latter of which sometimes differs from the style indicated | |
1350 | in the shorter name (eg Lt becomes Light or even Extra Light) */ | |
1351 | ||
1352 | /* Helvetica is mapped to Arial in Windows, but if a Type-1 Helvetica is | |
1353 | installed, we run into problems with the Uniscribe backend which tries | |
1354 | to avoid non-truetype fonts, and ends up mixing the Type-1 Helvetica | |
1355 | with Arial's characteristics, since that attempt to use Truetype works | |
1356 | some places, but not others. */ | |
c285743c | 1357 | if (!xstrcasecmp (font->lfFaceName, "helvetica")) |
b0857706 JR |
1358 | { |
1359 | strncpy (full_iname, full_name, LF_FULLFACESIZE); | |
1360 | full_iname[LF_FULLFACESIZE] = 0; | |
1361 | _strlwr (full_iname); | |
c285743c | 1362 | return strstr ("helvetica", full_iname) != NULL; |
b0857706 | 1363 | } |
c285743c JR |
1364 | |
1365 | /* Since Times is mapped to Times New Roman, a substring | |
1366 | match is not sufficient to filter out the bogus match. */ | |
1367 | else if (!xstrcasecmp (font->lfFaceName, "times")) | |
1368 | return xstrcasecmp (full_name, "times") == 0; | |
b0857706 JR |
1369 | |
1370 | return 1; | |
1371 | } | |
1372 | ||
1373 | ||
f7a84cb4 | 1374 | /* Callback function for EnumFontFamiliesEx. |
d205d43b JR |
1375 | * Checks if a font matches everything we are trying to check agaist, |
1376 | * and if so, adds it to a list. Both the data we are checking against | |
1377 | * and the list to which the fonts are added are passed in via the | |
1378 | * lparam argument, in the form of a font_callback_data struct. */ | |
20399669 | 1379 | static int CALLBACK |
d205d43b | 1380 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam) |
20399669 JR |
1381 | ENUMLOGFONTEX *logical_font; |
1382 | NEWTEXTMETRICEX *physical_font; | |
1383 | DWORD font_type; | |
d205d43b | 1384 | LPARAM lParam; |
f7a84cb4 | 1385 | { |
d205d43b JR |
1386 | struct font_callback_data *match_data |
1387 | = (struct font_callback_data *) lParam; | |
56df6710 | 1388 | Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi; |
f7a84cb4 | 1389 | |
46fd1ded | 1390 | if ((!match_data->opentype_only |
ef8e283d JR |
1391 | || (((physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE) |
1392 | || (font_type & TRUETYPE_FONTTYPE)) | |
1393 | /* For the uniscribe backend, only consider fonts that claim | |
1394 | to cover at least some part of Unicode. */ | |
1395 | && (physical_font->ntmFontSig.fsUsb[3] | |
1396 | || physical_font->ntmFontSig.fsUsb[2] | |
1397 | || physical_font->ntmFontSig.fsUsb[1] | |
1398 | || (physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff)))) | |
46fd1ded | 1399 | && logfonts_match (&logical_font->elfLogFont, &match_data->pattern) |
d205d43b | 1400 | && font_matches_spec (font_type, physical_font, |
56df6710 JR |
1401 | match_data->orig_font_spec, backend, |
1402 | &logical_font->elfLogFont) | |
c960bff8 JR |
1403 | && w32font_coverage_ok (&physical_font->ntmFontSig, |
1404 | match_data->pattern.lfCharSet) | |
4f2a2ee2 JR |
1405 | /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif) |
1406 | We limit this to raster fonts, because the test can catch some | |
1407 | genuine fonts (eg the full name of DejaVu Sans Mono Light is actually | |
1408 | DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will | |
1409 | therefore get through this test. Since full names can be prefixed | |
1410 | by a foundry, we accept raster fonts if the font name is found | |
1411 | anywhere within the full name. */ | |
1412 | && (logical_font->elfLogFont.lfOutPrecision != OUT_STRING_PRECIS | |
1413 | || strstr (logical_font->elfFullName, | |
b0857706 JR |
1414 | logical_font->elfLogFont.lfFaceName)) |
1415 | /* Check for well known substitutions that mess things up in the | |
1416 | presence of Type-1 fonts of the same name. */ | |
1417 | && (match_data->pattern.lfFaceName[0] | |
b003e5ff JB |
1418 | && check_face_name (&logical_font->elfLogFont, |
1419 | logical_font->elfFullName))) | |
d205d43b JR |
1420 | { |
1421 | Lisp_Object entity | |
1422 | = w32_enumfont_pattern_entity (match_data->frame, logical_font, | |
91583281 | 1423 | physical_font, font_type, |
34fd2d28 | 1424 | &match_data->pattern, |
56df6710 | 1425 | backend); |
d205d43b | 1426 | if (!NILP (entity)) |
aee986fd JR |
1427 | { |
1428 | Lisp_Object spec_charset = AREF (match_data->orig_font_spec, | |
1429 | FONT_REGISTRY_INDEX); | |
1430 | ||
1431 | /* If registry was specified as iso10646-1, only report | |
1432 | ANSI and DEFAULT charsets, as most unicode fonts will | |
1433 | contain one of those plus others. */ | |
f42adef6 | 1434 | if ((EQ (spec_charset, Qiso10646_1) |
9d32f818 | 1435 | || EQ (spec_charset, Qunicode_bmp)) |
aee986fd JR |
1436 | && logical_font->elfLogFont.lfCharSet != DEFAULT_CHARSET |
1437 | && logical_font->elfLogFont.lfCharSet != ANSI_CHARSET) | |
1438 | return 1; | |
2db5c0e6 JR |
1439 | /* unicode-sip fonts must contain characters beyond the BMP, |
1440 | so look for bit 57 (surrogates) in the Unicode subranges. */ | |
9d32f818 JR |
1441 | else if (EQ (spec_charset, Qunicode_sip) |
1442 | && !(physical_font->ntmFontSig.fsUsb[1] & 0x02000000)) | |
1443 | return 1; | |
aee986fd JR |
1444 | /* If registry was specified, but did not map to a windows |
1445 | charset, only report fonts that have unknown charsets. | |
1446 | This will still report fonts that don't match, but at | |
1447 | least it eliminates known definite mismatches. */ | |
1448 | else if (!NILP (spec_charset) | |
1449 | && !EQ (spec_charset, Qiso10646_1) | |
f42adef6 JR |
1450 | && !EQ (spec_charset, Qunicode_bmp) |
1451 | && !EQ (spec_charset, Qunicode_sip) | |
aee986fd JR |
1452 | && match_data->pattern.lfCharSet == DEFAULT_CHARSET |
1453 | && logical_font->elfLogFont.lfCharSet != DEFAULT_CHARSET) | |
1454 | return 1; | |
1455 | ||
1456 | /* If registry was specified, ensure it is reported as the same. */ | |
1457 | if (!NILP (spec_charset)) | |
1458 | ASET (entity, FONT_REGISTRY_INDEX, spec_charset); | |
1459 | ||
1460 | match_data->list = Fcons (entity, match_data->list); | |
1461 | ||
1462 | /* If no registry specified, duplicate iso8859-1 truetype fonts | |
1463 | as iso10646-1. */ | |
1464 | if (NILP (spec_charset) | |
1465 | && font_type == TRUETYPE_FONTTYPE | |
1466 | && logical_font->elfLogFont.lfCharSet == ANSI_CHARSET) | |
1467 | { | |
1468 | Lisp_Object tem = Fcopy_font_spec (entity); | |
1469 | ASET (tem, FONT_REGISTRY_INDEX, Qiso10646_1); | |
1470 | match_data->list = Fcons (tem, match_data->list); | |
1471 | } | |
1472 | } | |
d205d43b | 1473 | } |
f7a84cb4 JR |
1474 | return 1; |
1475 | } | |
1476 | ||
1477 | /* Callback function for EnumFontFamiliesEx. | |
d205d43b | 1478 | * Terminates the search once we have a match. */ |
20399669 | 1479 | static int CALLBACK |
d205d43b | 1480 | add_one_font_entity_to_list (logical_font, physical_font, font_type, lParam) |
20399669 JR |
1481 | ENUMLOGFONTEX *logical_font; |
1482 | NEWTEXTMETRICEX *physical_font; | |
1483 | DWORD font_type; | |
d205d43b | 1484 | LPARAM lParam; |
f7a84cb4 | 1485 | { |
d205d43b JR |
1486 | struct font_callback_data *match_data |
1487 | = (struct font_callback_data *) lParam; | |
1488 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam); | |
1489 | ||
1490 | /* If we have a font in the list, terminate the search. */ | |
1491 | return !NILP (match_data->list); | |
f7a84cb4 JR |
1492 | } |
1493 | ||
57016d37 JR |
1494 | /* Old function to convert from x to w32 charset, from w32fns.c. */ |
1495 | static LONG | |
1496 | x_to_w32_charset (lpcs) | |
1497 | char * lpcs; | |
1498 | { | |
1499 | Lisp_Object this_entry, w32_charset; | |
1500 | char *charset; | |
1501 | int len = strlen (lpcs); | |
1502 | ||
1503 | /* Support "*-#nnn" format for unknown charsets. */ | |
1504 | if (strncmp (lpcs, "*-#", 3) == 0) | |
1505 | return atoi (lpcs + 3); | |
1506 | ||
1507 | /* All Windows fonts qualify as unicode. */ | |
1508 | if (!strncmp (lpcs, "iso10646", 8)) | |
1509 | return DEFAULT_CHARSET; | |
1510 | ||
1511 | /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */ | |
1512 | charset = alloca (len + 1); | |
1513 | strcpy (charset, lpcs); | |
1514 | lpcs = strchr (charset, '*'); | |
1515 | if (lpcs) | |
1516 | *lpcs = '\0'; | |
1517 | ||
1518 | /* Look through w32-charset-info-alist for the character set. | |
1519 | Format of each entry is | |
1520 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1521 | */ | |
1522 | this_entry = Fassoc (build_string (charset), Vw32_charset_info_alist); | |
1523 | ||
1524 | if (NILP (this_entry)) | |
1525 | { | |
1526 | /* At startup, we want iso8859-1 fonts to come up properly. */ | |
1527 | if (xstrcasecmp (charset, "iso8859-1") == 0) | |
1528 | return ANSI_CHARSET; | |
1529 | else | |
1530 | return DEFAULT_CHARSET; | |
1531 | } | |
1532 | ||
1533 | w32_charset = Fcar (Fcdr (this_entry)); | |
1534 | ||
1535 | /* Translate Lisp symbol to number. */ | |
1536 | if (EQ (w32_charset, Qw32_charset_ansi)) | |
1537 | return ANSI_CHARSET; | |
1538 | if (EQ (w32_charset, Qw32_charset_symbol)) | |
1539 | return SYMBOL_CHARSET; | |
1540 | if (EQ (w32_charset, Qw32_charset_shiftjis)) | |
1541 | return SHIFTJIS_CHARSET; | |
1542 | if (EQ (w32_charset, Qw32_charset_hangeul)) | |
1543 | return HANGEUL_CHARSET; | |
1544 | if (EQ (w32_charset, Qw32_charset_chinesebig5)) | |
1545 | return CHINESEBIG5_CHARSET; | |
1546 | if (EQ (w32_charset, Qw32_charset_gb2312)) | |
1547 | return GB2312_CHARSET; | |
1548 | if (EQ (w32_charset, Qw32_charset_oem)) | |
1549 | return OEM_CHARSET; | |
1550 | if (EQ (w32_charset, Qw32_charset_johab)) | |
1551 | return JOHAB_CHARSET; | |
1552 | if (EQ (w32_charset, Qw32_charset_easteurope)) | |
1553 | return EASTEUROPE_CHARSET; | |
1554 | if (EQ (w32_charset, Qw32_charset_turkish)) | |
1555 | return TURKISH_CHARSET; | |
1556 | if (EQ (w32_charset, Qw32_charset_baltic)) | |
1557 | return BALTIC_CHARSET; | |
1558 | if (EQ (w32_charset, Qw32_charset_russian)) | |
1559 | return RUSSIAN_CHARSET; | |
1560 | if (EQ (w32_charset, Qw32_charset_arabic)) | |
1561 | return ARABIC_CHARSET; | |
1562 | if (EQ (w32_charset, Qw32_charset_greek)) | |
1563 | return GREEK_CHARSET; | |
1564 | if (EQ (w32_charset, Qw32_charset_hebrew)) | |
1565 | return HEBREW_CHARSET; | |
1566 | if (EQ (w32_charset, Qw32_charset_vietnamese)) | |
1567 | return VIETNAMESE_CHARSET; | |
1568 | if (EQ (w32_charset, Qw32_charset_thai)) | |
1569 | return THAI_CHARSET; | |
1570 | if (EQ (w32_charset, Qw32_charset_mac)) | |
1571 | return MAC_CHARSET; | |
1572 | ||
1573 | return DEFAULT_CHARSET; | |
1574 | } | |
1575 | ||
1576 | ||
f7a84cb4 | 1577 | /* Convert a Lisp font registry (symbol) to a windows charset. */ |
20399669 JR |
1578 | static LONG |
1579 | registry_to_w32_charset (charset) | |
1580 | Lisp_Object charset; | |
f7a84cb4 JR |
1581 | { |
1582 | if (EQ (charset, Qiso10646_1) || EQ (charset, Qunicode_bmp) | |
1583 | || EQ (charset, Qunicode_sip)) | |
1584 | return DEFAULT_CHARSET; /* UNICODE_CHARSET not defined in MingW32 */ | |
1585 | else if (EQ (charset, Qiso8859_1)) | |
1586 | return ANSI_CHARSET; | |
040fe918 JR |
1587 | else if (SYMBOLP (charset)) |
1588 | return x_to_w32_charset (SDATA (SYMBOL_NAME (charset))); | |
f7a84cb4 JR |
1589 | else |
1590 | return DEFAULT_CHARSET; | |
1591 | } | |
1592 | ||
57016d37 JR |
1593 | /* Old function to convert from w32 to x charset, from w32fns.c. */ |
1594 | static char * | |
1595 | w32_to_x_charset (fncharset, matching) | |
1596 | int fncharset; | |
1597 | char *matching; | |
1598 | { | |
1599 | static char buf[32]; | |
1600 | Lisp_Object charset_type; | |
1601 | int match_len = 0; | |
1602 | ||
1603 | if (matching) | |
1604 | { | |
1605 | /* If fully specified, accept it as it is. Otherwise use a | |
1606 | substring match. */ | |
1607 | char *wildcard = strchr (matching, '*'); | |
1608 | if (wildcard) | |
1609 | *wildcard = '\0'; | |
1610 | else if (strchr (matching, '-')) | |
1611 | return matching; | |
1612 | ||
1613 | match_len = strlen (matching); | |
1614 | } | |
1615 | ||
1616 | switch (fncharset) | |
1617 | { | |
1618 | case ANSI_CHARSET: | |
1619 | /* Handle startup case of w32-charset-info-alist not | |
1620 | being set up yet. */ | |
1621 | if (NILP (Vw32_charset_info_alist)) | |
1622 | return "iso8859-1"; | |
1623 | charset_type = Qw32_charset_ansi; | |
1624 | break; | |
1625 | case DEFAULT_CHARSET: | |
1626 | charset_type = Qw32_charset_default; | |
1627 | break; | |
1628 | case SYMBOL_CHARSET: | |
1629 | charset_type = Qw32_charset_symbol; | |
1630 | break; | |
1631 | case SHIFTJIS_CHARSET: | |
1632 | charset_type = Qw32_charset_shiftjis; | |
1633 | break; | |
1634 | case HANGEUL_CHARSET: | |
1635 | charset_type = Qw32_charset_hangeul; | |
1636 | break; | |
1637 | case GB2312_CHARSET: | |
1638 | charset_type = Qw32_charset_gb2312; | |
1639 | break; | |
1640 | case CHINESEBIG5_CHARSET: | |
1641 | charset_type = Qw32_charset_chinesebig5; | |
1642 | break; | |
1643 | case OEM_CHARSET: | |
1644 | charset_type = Qw32_charset_oem; | |
1645 | break; | |
1646 | case EASTEUROPE_CHARSET: | |
1647 | charset_type = Qw32_charset_easteurope; | |
1648 | break; | |
1649 | case TURKISH_CHARSET: | |
1650 | charset_type = Qw32_charset_turkish; | |
1651 | break; | |
1652 | case BALTIC_CHARSET: | |
1653 | charset_type = Qw32_charset_baltic; | |
1654 | break; | |
1655 | case RUSSIAN_CHARSET: | |
1656 | charset_type = Qw32_charset_russian; | |
1657 | break; | |
1658 | case ARABIC_CHARSET: | |
1659 | charset_type = Qw32_charset_arabic; | |
1660 | break; | |
1661 | case GREEK_CHARSET: | |
1662 | charset_type = Qw32_charset_greek; | |
1663 | break; | |
1664 | case HEBREW_CHARSET: | |
1665 | charset_type = Qw32_charset_hebrew; | |
1666 | break; | |
1667 | case VIETNAMESE_CHARSET: | |
1668 | charset_type = Qw32_charset_vietnamese; | |
1669 | break; | |
1670 | case THAI_CHARSET: | |
1671 | charset_type = Qw32_charset_thai; | |
1672 | break; | |
1673 | case MAC_CHARSET: | |
1674 | charset_type = Qw32_charset_mac; | |
1675 | break; | |
1676 | case JOHAB_CHARSET: | |
1677 | charset_type = Qw32_charset_johab; | |
1678 | break; | |
1679 | ||
1680 | default: | |
1681 | /* Encode numerical value of unknown charset. */ | |
1682 | sprintf (buf, "*-#%u", fncharset); | |
1683 | return buf; | |
1684 | } | |
1685 | ||
1686 | { | |
1687 | Lisp_Object rest; | |
1688 | char * best_match = NULL; | |
1689 | int matching_found = 0; | |
1690 | ||
1691 | /* Look through w32-charset-info-alist for the character set. | |
1692 | Prefer ISO codepages, and prefer lower numbers in the ISO | |
1693 | range. Only return charsets for codepages which are installed. | |
1694 | ||
1695 | Format of each entry is | |
1696 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1697 | */ | |
1698 | for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest)) | |
1699 | { | |
1700 | char * x_charset; | |
1701 | Lisp_Object w32_charset; | |
1702 | Lisp_Object codepage; | |
1703 | ||
1704 | Lisp_Object this_entry = XCAR (rest); | |
1705 | ||
1706 | /* Skip invalid entries in alist. */ | |
1707 | if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry)) | |
1708 | || !CONSP (XCDR (this_entry)) | |
1709 | || !SYMBOLP (XCAR (XCDR (this_entry)))) | |
1710 | continue; | |
1711 | ||
1712 | x_charset = SDATA (XCAR (this_entry)); | |
1713 | w32_charset = XCAR (XCDR (this_entry)); | |
1714 | codepage = XCDR (XCDR (this_entry)); | |
1715 | ||
1716 | /* Look for Same charset and a valid codepage (or non-int | |
1717 | which means ignore). */ | |
1718 | if (EQ (w32_charset, charset_type) | |
1719 | && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT | |
1720 | || IsValidCodePage (XINT (codepage)))) | |
1721 | { | |
1722 | /* If we don't have a match already, then this is the | |
1723 | best. */ | |
1724 | if (!best_match) | |
1725 | { | |
1726 | best_match = x_charset; | |
1727 | if (matching && !strnicmp (x_charset, matching, match_len)) | |
1728 | matching_found = 1; | |
1729 | } | |
1730 | /* If we already found a match for MATCHING, then | |
1731 | only consider other matches. */ | |
1732 | else if (matching_found | |
1733 | && strnicmp (x_charset, matching, match_len)) | |
1734 | continue; | |
1735 | /* If this matches what we want, and the best so far doesn't, | |
1736 | then this is better. */ | |
1737 | else if (!matching_found && matching | |
1738 | && !strnicmp (x_charset, matching, match_len)) | |
1739 | { | |
1740 | best_match = x_charset; | |
1741 | matching_found = 1; | |
1742 | } | |
1743 | /* If this is fully specified, and the best so far isn't, | |
1744 | then this is better. */ | |
1745 | else if ((!strchr (best_match, '-') && strchr (x_charset, '-')) | |
1746 | /* If this is an ISO codepage, and the best so far isn't, | |
1747 | then this is better, but only if it fully specifies the | |
1748 | encoding. */ | |
1749 | || (strnicmp (best_match, "iso", 3) != 0 | |
1750 | && strnicmp (x_charset, "iso", 3) == 0 | |
1751 | && strchr (x_charset, '-'))) | |
1752 | best_match = x_charset; | |
1753 | /* If both are ISO8859 codepages, choose the one with the | |
1754 | lowest number in the encoding field. */ | |
1755 | else if (strnicmp (best_match, "iso8859-", 8) == 0 | |
1756 | && strnicmp (x_charset, "iso8859-", 8) == 0) | |
1757 | { | |
1758 | int best_enc = atoi (best_match + 8); | |
1759 | int this_enc = atoi (x_charset + 8); | |
1760 | if (this_enc > 0 && this_enc < best_enc) | |
1761 | best_match = x_charset; | |
1762 | } | |
1763 | } | |
1764 | } | |
1765 | ||
1766 | /* If no match, encode the numeric value. */ | |
1767 | if (!best_match) | |
1768 | { | |
1769 | sprintf (buf, "*-#%u", fncharset); | |
1770 | return buf; | |
1771 | } | |
1772 | ||
1773 | strncpy (buf, best_match, 31); | |
1774 | /* If the charset is not fully specified, put -0 on the end. */ | |
1775 | if (!strchr (best_match, '-')) | |
1776 | { | |
1777 | int pos = strlen (best_match); | |
1778 | /* Charset specifiers shouldn't be very long. If it is a made | |
1779 | up one, truncating it should not do any harm since it isn't | |
1780 | recognized anyway. */ | |
1781 | if (pos > 29) | |
1782 | pos = 29; | |
1783 | strcpy (buf + pos, "-0"); | |
1784 | } | |
1785 | buf[31] = '\0'; | |
1786 | return buf; | |
1787 | } | |
1788 | } | |
1789 | ||
20399669 | 1790 | static Lisp_Object |
c960bff8 | 1791 | w32_registry (w32_charset, font_type) |
20399669 | 1792 | LONG w32_charset; |
c960bff8 | 1793 | DWORD font_type; |
f7a84cb4 | 1794 | { |
aee986fd JR |
1795 | char *charset; |
1796 | ||
1797 | /* If charset is defaulted, charset is unicode or unknown, depending on | |
1798 | font type. */ | |
c960bff8 | 1799 | if (w32_charset == DEFAULT_CHARSET) |
aee986fd | 1800 | return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown; |
c960bff8 | 1801 | |
aee986fd | 1802 | charset = w32_to_x_charset (w32_charset, NULL); |
4cb35b63 | 1803 | return font_intern_prop (charset, strlen(charset), 1); |
f7a84cb4 JR |
1804 | } |
1805 | ||
5f18d119 KH |
1806 | static int |
1807 | w32_decode_weight (fnweight) | |
1808 | int fnweight; | |
1809 | { | |
1810 | if (fnweight >= FW_HEAVY) return 210; | |
1811 | if (fnweight >= FW_EXTRABOLD) return 205; | |
1812 | if (fnweight >= FW_BOLD) return 200; | |
1813 | if (fnweight >= FW_SEMIBOLD) return 180; | |
1814 | if (fnweight >= FW_NORMAL) return 100; | |
1815 | if (fnweight >= FW_LIGHT) return 50; | |
1816 | if (fnweight >= FW_EXTRALIGHT) return 40; | |
1817 | if (fnweight > FW_THIN) return 20; | |
1818 | return 0; | |
1819 | } | |
1820 | ||
1821 | static int | |
1822 | w32_encode_weight (n) | |
1823 | int n; | |
1824 | { | |
1825 | if (n >= 210) return FW_HEAVY; | |
1826 | if (n >= 205) return FW_EXTRABOLD; | |
1827 | if (n >= 200) return FW_BOLD; | |
1828 | if (n >= 180) return FW_SEMIBOLD; | |
1829 | if (n >= 100) return FW_NORMAL; | |
1830 | if (n >= 50) return FW_LIGHT; | |
1831 | if (n >= 40) return FW_EXTRALIGHT; | |
1832 | if (n >= 20) return FW_THIN; | |
1833 | return 0; | |
1834 | } | |
1835 | ||
3ef8c1b4 JR |
1836 | /* Convert a Windows font weight into one of the weights supported |
1837 | by fontconfig (see font.c:font_parse_fcname). */ | |
1838 | static Lisp_Object | |
1839 | w32_to_fc_weight (n) | |
1840 | int n; | |
1841 | { | |
1842 | if (n >= FW_EXTRABOLD) return intern ("black"); | |
1843 | if (n >= FW_BOLD) return intern ("bold"); | |
1844 | if (n >= FW_SEMIBOLD) return intern ("demibold"); | |
1845 | if (n >= FW_NORMAL) return intern ("medium"); | |
1846 | return intern ("light"); | |
1847 | } | |
1848 | ||
f7a84cb4 | 1849 | /* Fill in all the available details of LOGFONT from FONT_SPEC. */ |
20399669 JR |
1850 | static void |
1851 | fill_in_logfont (f, logfont, font_spec) | |
1852 | FRAME_PTR f; | |
1853 | LOGFONT *logfont; | |
1854 | Lisp_Object font_spec; | |
f7a84cb4 | 1855 | { |
d205d43b | 1856 | Lisp_Object tmp, extra; |
f7a84cb4 JR |
1857 | int dpi = FRAME_W32_DISPLAY_INFO (f)->resy; |
1858 | ||
5f18d119 KH |
1859 | tmp = AREF (font_spec, FONT_DPI_INDEX); |
1860 | if (INTEGERP (tmp)) | |
d205d43b | 1861 | { |
5f18d119 KH |
1862 | dpi = XINT (tmp); |
1863 | } | |
1864 | else if (FLOATP (tmp)) | |
1865 | { | |
1866 | dpi = (int) (XFLOAT_DATA (tmp) + 0.5); | |
d205d43b | 1867 | } |
f7a84cb4 JR |
1868 | |
1869 | /* Height */ | |
1870 | tmp = AREF (font_spec, FONT_SIZE_INDEX); | |
1871 | if (INTEGERP (tmp)) | |
040fe918 | 1872 | logfont->lfHeight = -1 * XINT (tmp); |
f7a84cb4 | 1873 | else if (FLOATP (tmp)) |
d205d43b | 1874 | logfont->lfHeight = (int) (-1.0 * dpi * XFLOAT_DATA (tmp) / 72.27 + 0.5); |
f7a84cb4 JR |
1875 | |
1876 | /* Escapement */ | |
1877 | ||
1878 | /* Orientation */ | |
1879 | ||
1880 | /* Weight */ | |
1881 | tmp = AREF (font_spec, FONT_WEIGHT_INDEX); | |
1882 | if (INTEGERP (tmp)) | |
5f18d119 | 1883 | logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec)); |
f7a84cb4 JR |
1884 | |
1885 | /* Italic */ | |
1886 | tmp = AREF (font_spec, FONT_SLANT_INDEX); | |
1887 | if (INTEGERP (tmp)) | |
1888 | { | |
5f18d119 | 1889 | int slant = FONT_SLANT_NUMERIC (font_spec); |
f7a84cb4 JR |
1890 | logfont->lfItalic = slant > 150 ? 1 : 0; |
1891 | } | |
1892 | ||
1893 | /* Underline */ | |
1894 | ||
1895 | /* Strikeout */ | |
1896 | ||
1897 | /* Charset */ | |
1898 | tmp = AREF (font_spec, FONT_REGISTRY_INDEX); | |
1899 | if (! NILP (tmp)) | |
d205d43b | 1900 | logfont->lfCharSet = registry_to_w32_charset (tmp); |
56df6710 JR |
1901 | else |
1902 | logfont->lfCharSet = DEFAULT_CHARSET; | |
f7a84cb4 JR |
1903 | |
1904 | /* Out Precision */ | |
91583281 | 1905 | |
f7a84cb4 | 1906 | /* Clip Precision */ |
91583281 JR |
1907 | |
1908 | /* Quality */ | |
040fe918 JR |
1909 | logfont->lfQuality = DEFAULT_QUALITY; |
1910 | ||
d205d43b JR |
1911 | /* Generic Family and Face Name */ |
1912 | logfont->lfPitchAndFamily = FF_DONTCARE | DEFAULT_PITCH; | |
1913 | ||
f7a84cb4 | 1914 | tmp = AREF (font_spec, FONT_FAMILY_INDEX); |
d205d43b JR |
1915 | if (! NILP (tmp)) |
1916 | { | |
1917 | logfont->lfPitchAndFamily = w32_generic_family (tmp) | DEFAULT_PITCH; | |
1918 | if ((logfont->lfPitchAndFamily & 0xF0) != FF_DONTCARE) | |
1919 | ; /* Font name was generic, don't fill in font name. */ | |
1920 | /* Font families are interned, but allow for strings also in case of | |
1921 | user input. */ | |
1922 | else if (SYMBOLP (tmp)) | |
e6df5336 JR |
1923 | strncpy (logfont->lfFaceName, |
1924 | SDATA (ENCODE_SYSTEM (SYMBOL_NAME (tmp))), LF_FACESIZE); | |
d205d43b | 1925 | } |
f7a84cb4 | 1926 | |
9e1a2995 JR |
1927 | tmp = AREF (font_spec, FONT_ADSTYLE_INDEX); |
1928 | if (!NILP (tmp)) | |
1929 | { | |
1930 | /* Override generic family. */ | |
1931 | BYTE family = w32_generic_family (tmp); | |
1932 | if (family != FF_DONTCARE) | |
1933 | logfont->lfPitchAndFamily = family | DEFAULT_PITCH; | |
1934 | } | |
1935 | ||
9c623c85 | 1936 | |
5f18d119 KH |
1937 | /* Set pitch based on the spacing property. */ |
1938 | tmp = AREF (font_spec, FONT_SPACING_INDEX); | |
1939 | if (INTEGERP (tmp)) | |
1940 | { | |
1941 | int spacing = XINT (tmp); | |
1942 | if (spacing < FONT_SPACING_MONO) | |
1943 | logfont->lfPitchAndFamily | |
1944 | = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH; | |
1945 | else | |
1946 | logfont->lfPitchAndFamily | |
1947 | = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH; | |
1948 | } | |
1949 | ||
d205d43b | 1950 | /* Process EXTRA info. */ |
5f18d119 KH |
1951 | for (extra = AREF (font_spec, FONT_EXTRA_INDEX); |
1952 | CONSP (extra); extra = XCDR (extra)) | |
d205d43b JR |
1953 | { |
1954 | tmp = XCAR (extra); | |
1955 | if (CONSP (tmp)) | |
1956 | { | |
1957 | Lisp_Object key, val; | |
1958 | key = XCAR (tmp), val = XCDR (tmp); | |
d205d43b JR |
1959 | /* Only use QCscript if charset is not provided, or is unicode |
1960 | and a single script is specified. This is rather crude, | |
1961 | and is only used to narrow down the fonts returned where | |
1962 | there is a definite match. Some scripts, such as latin, han, | |
1963 | cjk-misc match multiple lfCharSet values, so we can't pre-filter | |
1964 | them. */ | |
5f18d119 | 1965 | if (EQ (key, QCscript) |
d205d43b JR |
1966 | && logfont->lfCharSet == DEFAULT_CHARSET |
1967 | && SYMBOLP (val)) | |
1968 | { | |
1969 | if (EQ (val, Qgreek)) | |
1970 | logfont->lfCharSet = GREEK_CHARSET; | |
1971 | else if (EQ (val, Qhangul)) | |
1972 | logfont->lfCharSet = HANGUL_CHARSET; | |
1973 | else if (EQ (val, Qkana) || EQ (val, Qkanbun)) | |
1974 | logfont->lfCharSet = SHIFTJIS_CHARSET; | |
1975 | else if (EQ (val, Qbopomofo)) | |
1976 | logfont->lfCharSet = CHINESEBIG5_CHARSET; | |
1977 | /* GB 18030 supports tibetan, yi, mongolian, | |
1978 | fonts that support it should show up if we ask for | |
1979 | GB2312 fonts. */ | |
1980 | else if (EQ (val, Qtibetan) || EQ (val, Qyi) | |
1981 | || EQ (val, Qmongolian)) | |
1982 | logfont->lfCharSet = GB2312_CHARSET; | |
1983 | else if (EQ (val, Qhebrew)) | |
1984 | logfont->lfCharSet = HEBREW_CHARSET; | |
1985 | else if (EQ (val, Qarabic)) | |
1986 | logfont->lfCharSet = ARABIC_CHARSET; | |
1987 | else if (EQ (val, Qthai)) | |
1988 | logfont->lfCharSet = THAI_CHARSET; | |
d205d43b | 1989 | } |
91583281 JR |
1990 | else if (EQ (key, QCantialias) && SYMBOLP (val)) |
1991 | { | |
1992 | logfont->lfQuality = w32_antialias_type (val); | |
1993 | } | |
d205d43b JR |
1994 | } |
1995 | } | |
f7a84cb4 JR |
1996 | } |
1997 | ||
20399669 | 1998 | static void |
d205d43b JR |
1999 | list_all_matching_fonts (match_data) |
2000 | struct font_callback_data *match_data; | |
f7a84cb4 JR |
2001 | { |
2002 | HDC dc; | |
d205d43b JR |
2003 | Lisp_Object families = w32font_list_family (match_data->frame); |
2004 | struct frame *f = XFRAME (match_data->frame); | |
f7a84cb4 JR |
2005 | |
2006 | dc = get_frame_dc (f); | |
2007 | ||
2008 | while (!NILP (families)) | |
2009 | { | |
e6df5336 JR |
2010 | /* Only fonts from the current locale are given localized names |
2011 | on Windows, so we can keep backwards compatibility with | |
2012 | Windows 9x/ME by using non-Unicode font enumeration without | |
2013 | sacrificing internationalization here. */ | |
d205d43b | 2014 | char *name; |
f7a84cb4 JR |
2015 | Lisp_Object family = CAR (families); |
2016 | families = CDR (families); | |
d205d43b JR |
2017 | if (NILP (family)) |
2018 | continue; | |
8f112d52 | 2019 | else if (SYMBOLP (family)) |
e6df5336 | 2020 | name = SDATA (ENCODE_SYSTEM (SYMBOL_NAME (family))); |
8f112d52 JR |
2021 | else |
2022 | continue; | |
d205d43b JR |
2023 | |
2024 | strncpy (match_data->pattern.lfFaceName, name, LF_FACESIZE); | |
2025 | match_data->pattern.lfFaceName[LF_FACESIZE - 1] = '\0'; | |
2026 | ||
2027 | EnumFontFamiliesEx (dc, &match_data->pattern, | |
2028 | (FONTENUMPROC) add_font_entity_to_list, | |
2029 | (LPARAM) match_data, 0); | |
f7a84cb4 JR |
2030 | } |
2031 | ||
2032 | release_frame_dc (f, dc); | |
2033 | } | |
2034 | ||
91583281 JR |
2035 | static Lisp_Object |
2036 | lispy_antialias_type (type) | |
2037 | BYTE type; | |
2038 | { | |
2039 | Lisp_Object lispy; | |
2040 | ||
2041 | switch (type) | |
2042 | { | |
2043 | case NONANTIALIASED_QUALITY: | |
2044 | lispy = Qnone; | |
2045 | break; | |
2046 | case ANTIALIASED_QUALITY: | |
2047 | lispy = Qstandard; | |
2048 | break; | |
2049 | case CLEARTYPE_QUALITY: | |
2050 | lispy = Qsubpixel; | |
2051 | break; | |
2052 | case CLEARTYPE_NATURAL_QUALITY: | |
2053 | lispy = Qnatural; | |
2054 | break; | |
2055 | default: | |
2056 | lispy = Qnil; | |
2057 | break; | |
2058 | } | |
2059 | return lispy; | |
2060 | } | |
2061 | ||
2062 | /* Convert antialiasing symbols to lfQuality */ | |
2063 | static BYTE | |
2064 | w32_antialias_type (type) | |
2065 | Lisp_Object type; | |
2066 | { | |
2067 | if (EQ (type, Qnone)) | |
2068 | return NONANTIALIASED_QUALITY; | |
2069 | else if (EQ (type, Qstandard)) | |
2070 | return ANTIALIASED_QUALITY; | |
2071 | else if (EQ (type, Qsubpixel)) | |
2072 | return CLEARTYPE_QUALITY; | |
2073 | else if (EQ (type, Qnatural)) | |
2074 | return CLEARTYPE_NATURAL_QUALITY; | |
2075 | else | |
2076 | return DEFAULT_QUALITY; | |
2077 | } | |
2078 | ||
d205d43b JR |
2079 | /* Return a list of all the scripts that the font supports. */ |
2080 | static Lisp_Object | |
2081 | font_supported_scripts (FONTSIGNATURE * sig) | |
f7a84cb4 | 2082 | { |
d205d43b JR |
2083 | DWORD * subranges = sig->fsUsb; |
2084 | Lisp_Object supported = Qnil; | |
2085 | ||
2086 | /* Match a single subrange. SYM is set if bit N is set in subranges. */ | |
2087 | #define SUBRANGE(n,sym) \ | |
2088 | if (subranges[(n) / 32] & (1 << ((n) % 32))) \ | |
2089 | supported = Fcons ((sym), supported) | |
2090 | ||
2091 | /* Match multiple subranges. SYM is set if any MASK bit is set in | |
2092 | subranges[0 - 3]. */ | |
2093 | #define MASK_ANY(mask0,mask1,mask2,mask3,sym) \ | |
2094 | if ((subranges[0] & (mask0)) || (subranges[1] & (mask1)) \ | |
2095 | || (subranges[2] & (mask2)) || (subranges[3] & (mask3))) \ | |
2096 | supported = Fcons ((sym), supported) | |
2097 | ||
56df6710 JR |
2098 | SUBRANGE (0, Qlatin); |
2099 | /* The following count as latin too, ASCII should be present in these fonts, | |
2100 | so don't need to mark them separately. */ | |
2101 | /* 1: Latin-1 supplement, 2: Latin Extended A, 3: Latin Extended B. */ | |
2102 | SUBRANGE (4, Qphonetic); | |
2103 | /* 5: Spacing and tone modifiers, 6: Combining Diacriticals. */ | |
d205d43b JR |
2104 | SUBRANGE (7, Qgreek); |
2105 | SUBRANGE (8, Qcoptic); | |
2106 | SUBRANGE (9, Qcyrillic); | |
2107 | SUBRANGE (10, Qarmenian); | |
2108 | SUBRANGE (11, Qhebrew); | |
174f1c74 | 2109 | /* 12: Vai. */ |
d205d43b JR |
2110 | SUBRANGE (13, Qarabic); |
2111 | SUBRANGE (14, Qnko); | |
2112 | SUBRANGE (15, Qdevanagari); | |
2113 | SUBRANGE (16, Qbengali); | |
2114 | SUBRANGE (17, Qgurmukhi); | |
2115 | SUBRANGE (18, Qgujarati); | |
2116 | SUBRANGE (19, Qoriya); | |
2117 | SUBRANGE (20, Qtamil); | |
2118 | SUBRANGE (21, Qtelugu); | |
2119 | SUBRANGE (22, Qkannada); | |
2120 | SUBRANGE (23, Qmalayalam); | |
2121 | SUBRANGE (24, Qthai); | |
2122 | SUBRANGE (25, Qlao); | |
2123 | SUBRANGE (26, Qgeorgian); | |
56df6710 JR |
2124 | SUBRANGE (27, Qbalinese); |
2125 | /* 28: Hangul Jamo. */ | |
2126 | /* 29: Latin Extended, 30: Greek Extended, 31: Punctuation. */ | |
2127 | /* 32-47: Symbols (defined below). */ | |
d205d43b | 2128 | SUBRANGE (48, Qcjk_misc); |
56df6710 JR |
2129 | /* Match either 49: katakana or 50: hiragana for kana. */ |
2130 | MASK_ANY (0, 0x00060000, 0, 0, Qkana); | |
d205d43b | 2131 | SUBRANGE (51, Qbopomofo); |
56df6710 JR |
2132 | /* 52: Compatibility Jamo */ |
2133 | SUBRANGE (53, Qphags_pa); | |
2134 | /* 54: Enclosed CJK letters and months, 55: CJK Compatibility. */ | |
d205d43b | 2135 | SUBRANGE (56, Qhangul); |
56df6710 JR |
2136 | /* 57: Surrogates. */ |
2137 | SUBRANGE (58, Qphoenician); | |
d205d43b | 2138 | SUBRANGE (59, Qhan); /* There are others, but this is the main one. */ |
56df6710 JR |
2139 | SUBRANGE (59, Qideographic_description); /* Windows lumps this in. */ |
2140 | SUBRANGE (59, Qkanbun); /* And this. */ | |
2141 | /* 60: Private use, 61: CJK strokes and compatibility. */ | |
2142 | /* 62: Alphabetic Presentation, 63: Arabic Presentation A. */ | |
2143 | /* 64: Combining half marks, 65: Vertical and CJK compatibility. */ | |
2144 | /* 66: Small forms, 67: Arabic Presentation B, 68: Half and Full width. */ | |
2145 | /* 69: Specials. */ | |
d205d43b JR |
2146 | SUBRANGE (70, Qtibetan); |
2147 | SUBRANGE (71, Qsyriac); | |
2148 | SUBRANGE (72, Qthaana); | |
2149 | SUBRANGE (73, Qsinhala); | |
2150 | SUBRANGE (74, Qmyanmar); | |
2151 | SUBRANGE (75, Qethiopic); | |
2152 | SUBRANGE (76, Qcherokee); | |
2153 | SUBRANGE (77, Qcanadian_aboriginal); | |
2154 | SUBRANGE (78, Qogham); | |
2155 | SUBRANGE (79, Qrunic); | |
2156 | SUBRANGE (80, Qkhmer); | |
2157 | SUBRANGE (81, Qmongolian); | |
2158 | SUBRANGE (82, Qbraille); | |
2159 | SUBRANGE (83, Qyi); | |
56df6710 JR |
2160 | SUBRANGE (84, Qbuhid); |
2161 | SUBRANGE (84, Qhanunoo); | |
2162 | SUBRANGE (84, Qtagalog); | |
2163 | SUBRANGE (84, Qtagbanwa); | |
2164 | SUBRANGE (85, Qold_italic); | |
2165 | SUBRANGE (86, Qgothic); | |
2166 | SUBRANGE (87, Qdeseret); | |
d205d43b JR |
2167 | SUBRANGE (88, Qbyzantine_musical_symbol); |
2168 | SUBRANGE (88, Qmusical_symbol); /* Windows doesn't distinguish these. */ | |
d205d43b | 2169 | SUBRANGE (89, Qmathematical); |
56df6710 JR |
2170 | /* 90: Private use, 91: Variation selectors, 92: Tags. */ |
2171 | SUBRANGE (93, Qlimbu); | |
2172 | SUBRANGE (94, Qtai_le); | |
2173 | /* 95: New Tai Le */ | |
2174 | SUBRANGE (90, Qbuginese); | |
2175 | SUBRANGE (97, Qglagolitic); | |
2176 | SUBRANGE (98, Qtifinagh); | |
2177 | /* 99: Yijing Hexagrams. */ | |
2178 | SUBRANGE (100, Qsyloti_nagri); | |
2179 | SUBRANGE (101, Qlinear_b); | |
2180 | /* 102: Ancient Greek Numbers. */ | |
2181 | SUBRANGE (103, Qugaritic); | |
2182 | SUBRANGE (104, Qold_persian); | |
2183 | SUBRANGE (105, Qshavian); | |
2184 | SUBRANGE (106, Qosmanya); | |
2185 | SUBRANGE (107, Qcypriot); | |
2186 | SUBRANGE (108, Qkharoshthi); | |
2187 | /* 109: Tai Xuan Jing. */ | |
2188 | SUBRANGE (110, Qcuneiform); | |
174f1c74 JR |
2189 | /* 111: Counting Rods, 112: Sundanese, 113: Lepcha, 114: Ol Chiki. */ |
2190 | /* 115: Saurashtra, 116: Kayah Li, 117: Rejang. */ | |
2191 | SUBRANGE (118, Qcham); | |
2192 | /* 119: Ancient symbols, 120: Phaistos Disc. */ | |
2193 | /* 121: Carian, Lycian, Lydian, 122: Dominos, Mah Jong tiles. */ | |
2194 | /* 123-127: Reserved. */ | |
d205d43b JR |
2195 | |
2196 | /* There isn't really a main symbol range, so include symbol if any | |
2197 | relevant range is set. */ | |
2198 | MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol); | |
2199 | ||
174f1c74 | 2200 | /* Missing: Tai Viet (U+AA80-U+AADF). */ |
d205d43b JR |
2201 | #undef SUBRANGE |
2202 | #undef MASK_ANY | |
2203 | ||
2204 | return supported; | |
f7a84cb4 JR |
2205 | } |
2206 | ||
67997c79 JR |
2207 | /* Generate a full name for a Windows font. |
2208 | The full name is in fcname format, with weight, slant and antialiasing | |
2209 | specified if they are not "normal". */ | |
2210 | static int | |
2211 | w32font_full_name (font, font_obj, pixel_size, name, nbytes) | |
2212 | LOGFONT * font; | |
2213 | Lisp_Object font_obj; | |
2214 | int pixel_size; | |
2215 | char *name; | |
2216 | int nbytes; | |
2217 | { | |
a823468b | 2218 | int len, height, outline; |
67997c79 JR |
2219 | char *p; |
2220 | Lisp_Object antialiasing, weight = Qnil; | |
2221 | ||
a823468b JR |
2222 | len = strlen (font->lfFaceName); |
2223 | ||
2224 | outline = EQ (AREF (font_obj, FONT_FOUNDRY_INDEX), Qoutline); | |
2225 | ||
2226 | /* Represent size of scalable fonts by point size. But use pixelsize for | |
2227 | raster fonts to indicate that they are exactly that size. */ | |
2228 | if (outline) | |
2229 | len += 11; /* -SIZE */ | |
2230 | else | |
6fe9826d | 2231 | len += 21; |
67997c79 JR |
2232 | |
2233 | if (font->lfItalic) | |
2234 | len += 7; /* :italic */ | |
2235 | ||
2236 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2237 | { | |
3ef8c1b4 JR |
2238 | weight = w32_to_fc_weight (font->lfWeight); |
2239 | len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */ | |
67997c79 JR |
2240 | } |
2241 | ||
2242 | antialiasing = lispy_antialias_type (font->lfQuality); | |
2243 | if (! NILP (antialiasing)) | |
2244 | len += 11 + SBYTES (SYMBOL_NAME (antialiasing)); /* :antialias=NAME */ | |
2245 | ||
2246 | /* Check that the buffer is big enough */ | |
2247 | if (len > nbytes) | |
2248 | return -1; | |
2249 | ||
2250 | p = name; | |
2251 | p += sprintf (p, "%s", font->lfFaceName); | |
2252 | ||
a823468b JR |
2253 | height = font->lfHeight ? eabs (font->lfHeight) : pixel_size; |
2254 | ||
2255 | if (height > 0) | |
2256 | { | |
2257 | if (outline) | |
2258 | { | |
2259 | float pointsize = height * 72.0 / one_w32_display_info.resy; | |
7145be81 JR |
2260 | /* Round to nearest half point. floor is used, since round is not |
2261 | supported in MS library. */ | |
2262 | pointsize = floor (pointsize * 2 + 0.5) / 2; | |
a823468b JR |
2263 | p += sprintf (p, "-%1.1f", pointsize); |
2264 | } | |
2265 | else | |
2266 | p += sprintf (p, ":pixelsize=%d", height); | |
2267 | } | |
67997c79 | 2268 | |
3ef8c1b4 JR |
2269 | if (SYMBOLP (weight) && ! NILP (weight)) |
2270 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2271 | ||
67997c79 JR |
2272 | if (font->lfItalic) |
2273 | p += sprintf (p, ":italic"); | |
2274 | ||
67997c79 JR |
2275 | if (SYMBOLP (antialiasing) && ! NILP (antialiasing)) |
2276 | p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing))); | |
2277 | ||
2278 | return (p - name); | |
2279 | } | |
f7a84cb4 | 2280 | |
6fe9826d JR |
2281 | /* Convert a logfont and point size into a fontconfig style font name. |
2282 | POINTSIZE is in tenths of points. | |
2283 | If SIZE indicates the size of buffer FCNAME, into which the font name | |
2284 | is written. If the buffer is not large enough to contain the name, | |
2285 | the function returns -1, otherwise it returns the number of bytes | |
2286 | written to FCNAME. */ | |
2287 | static int logfont_to_fcname(font, pointsize, fcname, size) | |
2288 | LOGFONT* font; | |
2289 | int pointsize; | |
2290 | char *fcname; | |
2291 | int size; | |
2292 | { | |
2293 | int len, height; | |
2294 | char *p = fcname; | |
2295 | Lisp_Object weight = Qnil; | |
2296 | ||
2297 | len = strlen (font->lfFaceName) + 2; | |
2298 | height = pointsize / 10; | |
2299 | while (height /= 10) | |
2300 | len++; | |
2301 | ||
2302 | if (pointsize % 10) | |
2303 | len += 2; | |
2304 | ||
2305 | if (font->lfItalic) | |
2306 | len += 7; /* :italic */ | |
2307 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2308 | { | |
3ef8c1b4 JR |
2309 | weight = w32_to_fc_weight (font->lfWeight); |
2310 | len += SBYTES (SYMBOL_NAME (weight)) + 1; | |
6fe9826d JR |
2311 | } |
2312 | ||
2313 | if (len > size) | |
2314 | return -1; | |
2315 | ||
2316 | p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10); | |
2317 | if (pointsize % 10) | |
2318 | p += sprintf (p, ".%d", pointsize % 10); | |
2319 | ||
3ef8c1b4 JR |
2320 | if (SYMBOLP (weight) && !NILP (weight)) |
2321 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2322 | ||
6fe9826d JR |
2323 | if (font->lfItalic) |
2324 | p += sprintf (p, ":italic"); | |
2325 | ||
6fe9826d JR |
2326 | return (p - fcname); |
2327 | } | |
34fd2d28 | 2328 | |
9c623c85 JB |
2329 | static void |
2330 | compute_metrics (dc, w32_font, code, metrics) | |
34fd2d28 | 2331 | HDC dc; |
54efdcd1 | 2332 | struct w32font_info *w32_font; |
8f112d52 JR |
2333 | unsigned int code; |
2334 | struct w32_metric_cache *metrics; | |
34fd2d28 JR |
2335 | { |
2336 | GLYPHMETRICS gm; | |
2337 | MAT2 transform; | |
8f112d52 JR |
2338 | unsigned int options = GGO_METRICS; |
2339 | ||
2340 | if (w32_font->glyph_idx) | |
2341 | options |= GGO_GLYPH_INDEX; | |
34fd2d28 JR |
2342 | |
2343 | bzero (&transform, sizeof (transform)); | |
2344 | transform.eM11.value = 1; | |
2345 | transform.eM22.value = 1; | |
8f112d52 JR |
2346 | |
2347 | if (GetGlyphOutlineW (dc, code, options, &gm, 0, NULL, &transform) | |
2348 | != GDI_ERROR) | |
2349 | { | |
2350 | metrics->lbearing = gm.gmptGlyphOrigin.x; | |
2351 | metrics->rbearing = gm.gmptGlyphOrigin.x + gm.gmBlackBoxX; | |
2352 | metrics->width = gm.gmCellIncX; | |
2353 | metrics->status = W32METRIC_SUCCESS; | |
2354 | } | |
9c623c85 JB |
2355 | else |
2356 | metrics->status = W32METRIC_FAIL; | |
34fd2d28 JR |
2357 | } |
2358 | ||
8f112d52 JR |
2359 | static void |
2360 | clear_cached_metrics (w32_font) | |
2361 | struct w32font_info *w32_font; | |
2362 | { | |
2363 | int i; | |
2364 | for (i = 0; i < w32_font->n_cache_blocks; i++) | |
5f18d119 KH |
2365 | { |
2366 | if (w32_font->cached_metrics[i]) | |
2367 | bzero (w32_font->cached_metrics[i], | |
2368 | CACHE_BLOCKSIZE * sizeof (struct font_metrics)); | |
2369 | } | |
8f112d52 JR |
2370 | } |
2371 | ||
6fe9826d JR |
2372 | DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0, |
2373 | doc: /* Read a font name using a W32 font selection dialog. | |
2374 | Return fontconfig style font string corresponding to the selection. | |
2375 | ||
2376 | If FRAME is omitted or nil, it defaults to the selected frame. | |
1ada3dab | 2377 | If EXCLUDE-PROPORTIONAL is non-nil, exclude proportional fonts |
6fe9826d | 2378 | in the font selection dialog. */) |
1ada3dab JR |
2379 | (frame, exclude_proportional) |
2380 | Lisp_Object frame, exclude_proportional; | |
6fe9826d JR |
2381 | { |
2382 | FRAME_PTR f = check_x_frame (frame); | |
2383 | CHOOSEFONT cf; | |
2384 | LOGFONT lf; | |
2385 | TEXTMETRIC tm; | |
2386 | HDC hdc; | |
2387 | HANDLE oldobj; | |
2388 | char buf[100]; | |
2389 | ||
2390 | bzero (&cf, sizeof (cf)); | |
2391 | bzero (&lf, sizeof (lf)); | |
2392 | ||
2393 | cf.lStructSize = sizeof (cf); | |
2394 | cf.hwndOwner = FRAME_W32_WINDOW (f); | |
2395 | cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS; | |
2396 | ||
1ada3dab | 2397 | /* If exclude_proportional is non-nil, limit the selection to |
6fe9826d | 2398 | monospaced fonts. */ |
1ada3dab | 2399 | if (!NILP (exclude_proportional)) |
6fe9826d JR |
2400 | cf.Flags |= CF_FIXEDPITCHONLY; |
2401 | ||
2402 | cf.lpLogFont = &lf; | |
2403 | ||
2404 | /* Initialize as much of the font details as we can from the current | |
2405 | default font. */ | |
2406 | hdc = GetDC (FRAME_W32_WINDOW (f)); | |
c35f9821 | 2407 | oldobj = SelectObject (hdc, FONT_HANDLE (FRAME_FONT (f))); |
6fe9826d JR |
2408 | GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); |
2409 | if (GetTextMetrics (hdc, &tm)) | |
2410 | { | |
2411 | lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; | |
2412 | lf.lfWeight = tm.tmWeight; | |
2413 | lf.lfItalic = tm.tmItalic; | |
2414 | lf.lfUnderline = tm.tmUnderlined; | |
2415 | lf.lfStrikeOut = tm.tmStruckOut; | |
2416 | lf.lfCharSet = tm.tmCharSet; | |
2417 | cf.Flags |= CF_INITTOLOGFONTSTRUCT; | |
2418 | } | |
2419 | SelectObject (hdc, oldobj); | |
2420 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); | |
2421 | ||
2422 | if (!ChooseFont (&cf) | |
2423 | || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0) | |
2424 | return Qnil; | |
2425 | ||
e6df5336 | 2426 | return DECODE_SYSTEM (build_string (buf)); |
6fe9826d JR |
2427 | } |
2428 | ||
f7a84cb4 JR |
2429 | struct font_driver w32font_driver = |
2430 | { | |
8eac0c84 | 2431 | 0, /* Qgdi */ |
5f18d119 | 2432 | 0, /* case insensitive */ |
f7a84cb4 JR |
2433 | w32font_get_cache, |
2434 | w32font_list, | |
2435 | w32font_match, | |
2436 | w32font_list_family, | |
2437 | NULL, /* free_entity */ | |
2438 | w32font_open, | |
2439 | w32font_close, | |
2440 | NULL, /* prepare_face */ | |
2441 | NULL, /* done_face */ | |
2442 | w32font_has_char, | |
2443 | w32font_encode_char, | |
2444 | w32font_text_extents, | |
2445 | w32font_draw, | |
2446 | NULL, /* get_bitmap */ | |
2447 | NULL, /* free_bitmap */ | |
2448 | NULL, /* get_outline */ | |
2449 | NULL, /* free_outline */ | |
2450 | NULL, /* anchor_point */ | |
2451 | NULL, /* otf_capability */ | |
5b0c3446 JR |
2452 | NULL, /* otf_drive */ |
2453 | NULL, /* start_for_frame */ | |
2454 | NULL, /* end_for_frame */ | |
2455 | NULL /* shape */ | |
f7a84cb4 JR |
2456 | }; |
2457 | ||
f7a84cb4 JR |
2458 | |
2459 | /* Initialize state that does not change between invocations. This is only | |
2460 | called when Emacs is dumped. */ | |
20399669 JR |
2461 | void |
2462 | syms_of_w32font () | |
f7a84cb4 | 2463 | { |
8eac0c84 | 2464 | DEFSYM (Qgdi, "gdi"); |
34fd2d28 JR |
2465 | DEFSYM (Quniscribe, "uniscribe"); |
2466 | DEFSYM (QCformat, ":format"); | |
d205d43b JR |
2467 | |
2468 | /* Generic font families. */ | |
2469 | DEFSYM (Qmonospace, "monospace"); | |
2470 | DEFSYM (Qserif, "serif"); | |
9e1a2995 | 2471 | DEFSYM (Qsansserif, "sansserif"); |
f7a84cb4 | 2472 | DEFSYM (Qscript, "script"); |
d205d43b JR |
2473 | DEFSYM (Qdecorative, "decorative"); |
2474 | /* Aliases. */ | |
9e1a2995 | 2475 | DEFSYM (Qsans_serif, "sans_serif"); |
d205d43b JR |
2476 | DEFSYM (Qsans, "sans"); |
2477 | DEFSYM (Qmono, "mono"); | |
2478 | ||
2479 | /* Fake foundries. */ | |
2480 | DEFSYM (Qraster, "raster"); | |
2481 | DEFSYM (Qoutline, "outline"); | |
f7a84cb4 | 2482 | DEFSYM (Qunknown, "unknown"); |
d205d43b | 2483 | |
91583281 JR |
2484 | /* Antialiasing. */ |
2485 | DEFSYM (Qstandard, "standard"); | |
2486 | DEFSYM (Qsubpixel, "subpixel"); | |
2487 | DEFSYM (Qnatural, "natural"); | |
d205d43b | 2488 | |
8f112d52 JR |
2489 | /* Languages */ |
2490 | DEFSYM (Qja, "ja"); | |
2491 | DEFSYM (Qko, "ko"); | |
2492 | DEFSYM (Qzh, "zh"); | |
2493 | ||
d205d43b JR |
2494 | /* Scripts */ |
2495 | DEFSYM (Qlatin, "latin"); | |
2496 | DEFSYM (Qgreek, "greek"); | |
2497 | DEFSYM (Qcoptic, "coptic"); | |
2498 | DEFSYM (Qcyrillic, "cyrillic"); | |
2499 | DEFSYM (Qarmenian, "armenian"); | |
2500 | DEFSYM (Qhebrew, "hebrew"); | |
2501 | DEFSYM (Qarabic, "arabic"); | |
2502 | DEFSYM (Qsyriac, "syriac"); | |
2503 | DEFSYM (Qnko, "nko"); | |
2504 | DEFSYM (Qthaana, "thaana"); | |
2505 | DEFSYM (Qdevanagari, "devanagari"); | |
2506 | DEFSYM (Qbengali, "bengali"); | |
2507 | DEFSYM (Qgurmukhi, "gurmukhi"); | |
2508 | DEFSYM (Qgujarati, "gujarati"); | |
2509 | DEFSYM (Qoriya, "oriya"); | |
2510 | DEFSYM (Qtamil, "tamil"); | |
2511 | DEFSYM (Qtelugu, "telugu"); | |
2512 | DEFSYM (Qkannada, "kannada"); | |
2513 | DEFSYM (Qmalayalam, "malayalam"); | |
2514 | DEFSYM (Qsinhala, "sinhala"); | |
2515 | DEFSYM (Qthai, "thai"); | |
2516 | DEFSYM (Qlao, "lao"); | |
2517 | DEFSYM (Qtibetan, "tibetan"); | |
2518 | DEFSYM (Qmyanmar, "myanmar"); | |
2519 | DEFSYM (Qgeorgian, "georgian"); | |
2520 | DEFSYM (Qhangul, "hangul"); | |
2521 | DEFSYM (Qethiopic, "ethiopic"); | |
2522 | DEFSYM (Qcherokee, "cherokee"); | |
2523 | DEFSYM (Qcanadian_aboriginal, "canadian-aboriginal"); | |
2524 | DEFSYM (Qogham, "ogham"); | |
2525 | DEFSYM (Qrunic, "runic"); | |
2526 | DEFSYM (Qkhmer, "khmer"); | |
2527 | DEFSYM (Qmongolian, "mongolian"); | |
2528 | DEFSYM (Qsymbol, "symbol"); | |
2529 | DEFSYM (Qbraille, "braille"); | |
2530 | DEFSYM (Qhan, "han"); | |
2531 | DEFSYM (Qideographic_description, "ideographic-description"); | |
2532 | DEFSYM (Qcjk_misc, "cjk-misc"); | |
2533 | DEFSYM (Qkana, "kana"); | |
2534 | DEFSYM (Qbopomofo, "bopomofo"); | |
2535 | DEFSYM (Qkanbun, "kanbun"); | |
2536 | DEFSYM (Qyi, "yi"); | |
2537 | DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol"); | |
2538 | DEFSYM (Qmusical_symbol, "musical-symbol"); | |
2539 | DEFSYM (Qmathematical, "mathematical"); | |
174f1c74 | 2540 | DEFSYM (Qcham, "cham"); |
56df6710 JR |
2541 | DEFSYM (Qphonetic, "phonetic"); |
2542 | DEFSYM (Qbalinese, "balinese"); | |
2543 | DEFSYM (Qbuginese, "buginese"); | |
2544 | DEFSYM (Qbuhid, "buhid"); | |
2545 | DEFSYM (Qcuneiform, "cuneiform"); | |
2546 | DEFSYM (Qcypriot, "cypriot"); | |
2547 | DEFSYM (Qdeseret, "deseret"); | |
2548 | DEFSYM (Qglagolitic, "glagolitic"); | |
2549 | DEFSYM (Qgothic, "gothic"); | |
2550 | DEFSYM (Qhanunoo, "hanunoo"); | |
2551 | DEFSYM (Qkharoshthi, "kharoshthi"); | |
2552 | DEFSYM (Qlimbu, "limbu"); | |
2553 | DEFSYM (Qlinear_b, "linear_b"); | |
2554 | DEFSYM (Qold_italic, "old_italic"); | |
2555 | DEFSYM (Qold_persian, "old_persian"); | |
2556 | DEFSYM (Qosmanya, "osmanya"); | |
2557 | DEFSYM (Qphags_pa, "phags-pa"); | |
2558 | DEFSYM (Qphoenician, "phoenician"); | |
2559 | DEFSYM (Qshavian, "shavian"); | |
2560 | DEFSYM (Qsyloti_nagri, "syloti_nagri"); | |
2561 | DEFSYM (Qtagalog, "tagalog"); | |
2562 | DEFSYM (Qtagbanwa, "tagbanwa"); | |
2563 | DEFSYM (Qtai_le, "tai_le"); | |
2564 | DEFSYM (Qtifinagh, "tifinagh"); | |
2565 | DEFSYM (Qugaritic, "ugaritic"); | |
d205d43b | 2566 | |
57016d37 JR |
2567 | /* W32 font encodings. */ |
2568 | DEFVAR_LISP ("w32-charset-info-alist", | |
2569 | &Vw32_charset_info_alist, | |
2570 | doc: /* Alist linking Emacs character sets to Windows fonts and codepages. | |
2571 | Each entry should be of the form: | |
2572 | ||
2573 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)) | |
2574 | ||
2575 | where CHARSET_NAME is a string used in font names to identify the charset, | |
2576 | WINDOWS_CHARSET is a symbol that can be one of: | |
2577 | ||
2578 | w32-charset-ansi, w32-charset-default, w32-charset-symbol, | |
2579 | w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312, | |
2580 | w32-charset-chinesebig5, w32-charset-johab, w32-charset-hebrew, | |
2581 | w32-charset-arabic, w32-charset-greek, w32-charset-turkish, | |
2582 | w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope, | |
2583 | w32-charset-russian, w32-charset-mac, w32-charset-baltic, | |
2584 | or w32-charset-oem. | |
2585 | ||
2586 | CODEPAGE should be an integer specifying the codepage that should be used | |
2587 | to display the character set, t to do no translation and output as Unicode, | |
2588 | or nil to do no translation and output as 8 bit (or multibyte on far-east | |
2589 | versions of Windows) characters. */); | |
2590 | Vw32_charset_info_alist = Qnil; | |
2591 | ||
2592 | DEFSYM (Qw32_charset_ansi, "w32-charset-ansi"); | |
2593 | DEFSYM (Qw32_charset_symbol, "w32-charset-symbol"); | |
2594 | DEFSYM (Qw32_charset_default, "w32-charset-default"); | |
2595 | DEFSYM (Qw32_charset_shiftjis, "w32-charset-shiftjis"); | |
2596 | DEFSYM (Qw32_charset_hangeul, "w32-charset-hangeul"); | |
2597 | DEFSYM (Qw32_charset_chinesebig5, "w32-charset-chinesebig5"); | |
2598 | DEFSYM (Qw32_charset_gb2312, "w32-charset-gb2312"); | |
2599 | DEFSYM (Qw32_charset_oem, "w32-charset-oem"); | |
2600 | DEFSYM (Qw32_charset_johab, "w32-charset-johab"); | |
2601 | DEFSYM (Qw32_charset_easteurope, "w32-charset-easteurope"); | |
2602 | DEFSYM (Qw32_charset_turkish, "w32-charset-turkish"); | |
2603 | DEFSYM (Qw32_charset_baltic, "w32-charset-baltic"); | |
2604 | DEFSYM (Qw32_charset_russian, "w32-charset-russian"); | |
2605 | DEFSYM (Qw32_charset_arabic, "w32-charset-arabic"); | |
2606 | DEFSYM (Qw32_charset_greek, "w32-charset-greek"); | |
2607 | DEFSYM (Qw32_charset_hebrew, "w32-charset-hebrew"); | |
2608 | DEFSYM (Qw32_charset_vietnamese, "w32-charset-vietnamese"); | |
2609 | DEFSYM (Qw32_charset_thai, "w32-charset-thai"); | |
2610 | DEFSYM (Qw32_charset_mac, "w32-charset-mac"); | |
2611 | ||
6fe9826d JR |
2612 | defsubr (&Sx_select_font); |
2613 | ||
8eac0c84 | 2614 | w32font_driver.type = Qgdi; |
f7a84cb4 JR |
2615 | register_font_driver (&w32font_driver, NULL); |
2616 | } | |
6d8c85b5 MB |
2617 | |
2618 | /* arch-tag: 65b8a3cd-46aa-4c0d-a1f3-99e75b9c07ee | |
2619 | (do not change this comment) */ |