Commit | Line | Data |
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f7a84cb4 | 1 | /* Font backend for the Microsoft W32 API. |
114f9c96 | 2 | Copyright (C) 2007, 2008, 2009, 2010 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> |
d7306fe6 | 24 | #include <setjmp.h> |
f7a84cb4 JR |
25 | |
26 | #include "lisp.h" | |
27 | #include "w32term.h" | |
28 | #include "frame.h" | |
29 | #include "dispextern.h" | |
30 | #include "character.h" | |
31 | #include "charset.h" | |
e6df5336 | 32 | #include "coding.h" |
f7a84cb4 JR |
33 | #include "fontset.h" |
34 | #include "font.h" | |
46fd1ded | 35 | #include "w32font.h" |
f7a84cb4 | 36 | |
91583281 JR |
37 | /* Cleartype available on Windows XP, cleartype_natural from XP SP1. |
38 | The latter does not try to fit cleartype smoothed fonts into the | |
39 | same bounding box as the non-antialiased version of the font. | |
40 | */ | |
41 | #ifndef CLEARTYPE_QUALITY | |
42 | #define CLEARTYPE_QUALITY 5 | |
43 | #endif | |
44 | #ifndef CLEARTYPE_NATURAL_QUALITY | |
45 | #define CLEARTYPE_NATURAL_QUALITY 6 | |
46 | #endif | |
47 | ||
57016d37 JR |
48 | /* VIETNAMESE_CHARSET and JOHAB_CHARSET are not defined in some versions |
49 | of MSVC headers. */ | |
50 | #ifndef VIETNAMESE_CHARSET | |
51 | #define VIETNAMESE_CHARSET 163 | |
52 | #endif | |
53 | #ifndef JOHAB_CHARSET | |
54 | #define JOHAB_CHARSET 130 | |
55 | #endif | |
56 | ||
f7a84cb4 JR |
57 | extern struct font_driver w32font_driver; |
58 | ||
91583281 | 59 | Lisp_Object Qgdi; |
34fd2d28 JR |
60 | Lisp_Object Quniscribe; |
61 | static Lisp_Object QCformat; | |
9e1a2995 JR |
62 | static Lisp_Object Qmonospace, Qsansserif, Qmono, Qsans, Qsans_serif; |
63 | static Lisp_Object Qserif, Qscript, Qdecorative; | |
64 | static Lisp_Object Qraster, Qoutline, Qunknown; | |
d205d43b | 65 | |
91583281 | 66 | /* antialiasing */ |
5f18d119 | 67 | extern Lisp_Object QCantialias, QCotf, QClang; /* defined in font.c */ |
91583281 JR |
68 | extern Lisp_Object Qnone; /* reuse from w32fns.c */ |
69 | static Lisp_Object Qstandard, Qsubpixel, Qnatural; | |
70 | ||
8f112d52 | 71 | /* languages */ |
314d66f4 | 72 | static Lisp_Object Qzh; |
8f112d52 | 73 | |
d205d43b JR |
74 | /* scripts */ |
75 | static Lisp_Object Qlatin, Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew; | |
76 | static Lisp_Object Qarabic, Qsyriac, Qnko, Qthaana, Qdevanagari, Qbengali; | |
77 | static Lisp_Object Qgurmukhi, Qgujarati, Qoriya, Qtamil, Qtelugu; | |
78 | static Lisp_Object Qkannada, Qmalayalam, Qsinhala, Qthai, Qlao; | |
79 | static Lisp_Object Qtibetan, Qmyanmar, Qgeorgian, Qhangul, Qethiopic; | |
80 | static Lisp_Object Qcherokee, Qcanadian_aboriginal, Qogham, Qrunic; | |
81 | static Lisp_Object Qkhmer, Qmongolian, Qsymbol, Qbraille, Qhan; | |
82 | static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo; | |
83 | static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol; | |
174f1c74 | 84 | static Lisp_Object Qmusical_symbol, Qmathematical, Qcham, Qphonetic; |
56df6710 JR |
85 | /* Not defined in characters.el, but referenced in fontset.el. */ |
86 | static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot; | |
87 | static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi; | |
88 | static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya; | |
89 | static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri; | |
90 | static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic; | |
d205d43b | 91 | |
57016d37 JR |
92 | /* W32 charsets: for use in Vw32_charset_info_alist. */ |
93 | static Lisp_Object Qw32_charset_ansi, Qw32_charset_default; | |
94 | static Lisp_Object Qw32_charset_symbol, Qw32_charset_shiftjis; | |
95 | static Lisp_Object Qw32_charset_hangeul, Qw32_charset_gb2312; | |
96 | static Lisp_Object Qw32_charset_chinesebig5, Qw32_charset_oem; | |
97 | static Lisp_Object Qw32_charset_easteurope, Qw32_charset_turkish; | |
98 | static Lisp_Object Qw32_charset_baltic, Qw32_charset_russian; | |
99 | static Lisp_Object Qw32_charset_arabic, Qw32_charset_greek; | |
100 | static Lisp_Object Qw32_charset_hebrew, Qw32_charset_vietnamese; | |
101 | static Lisp_Object Qw32_charset_thai, Qw32_charset_johab, Qw32_charset_mac; | |
102 | ||
103 | /* Associative list linking character set strings to Windows codepages. */ | |
104 | static Lisp_Object Vw32_charset_info_alist; | |
105 | ||
d205d43b JR |
106 | /* Font spacing symbols - defined in font.c. */ |
107 | extern Lisp_Object Qc, Qp, Qm; | |
f7a84cb4 | 108 | |
f57e2426 | 109 | static void fill_in_logfont (FRAME_PTR, LOGFONT *, Lisp_Object); |
f7a84cb4 | 110 | |
f57e2426 J |
111 | static BYTE w32_antialias_type (Lisp_Object); |
112 | static Lisp_Object lispy_antialias_type (BYTE); | |
91583281 | 113 | |
f57e2426 J |
114 | static Lisp_Object font_supported_scripts (FONTSIGNATURE *); |
115 | static int w32font_full_name (LOGFONT *, Lisp_Object, int, char *, int); | |
116 | static void compute_metrics (HDC, struct w32font_info *, unsigned int, | |
117 | struct w32_metric_cache *); | |
f7a84cb4 | 118 | |
f57e2426 | 119 | static Lisp_Object w32_registry (LONG, DWORD); |
f7a84cb4 JR |
120 | |
121 | /* EnumFontFamiliesEx callbacks. */ | |
f57e2426 J |
122 | static int CALLBACK add_font_entity_to_list (ENUMLOGFONTEX *, |
123 | NEWTEXTMETRICEX *, | |
124 | DWORD, LPARAM); | |
125 | static int CALLBACK add_one_font_entity_to_list (ENUMLOGFONTEX *, | |
f7a84cb4 | 126 | NEWTEXTMETRICEX *, |
f57e2426 J |
127 | DWORD, LPARAM); |
128 | static int CALLBACK add_font_name_to_list (ENUMLOGFONTEX *, | |
129 | NEWTEXTMETRICEX *, | |
130 | DWORD, LPARAM); | |
f7a84cb4 | 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. */ | |
f57e2426 | 152 | static void list_all_matching_fonts (struct font_callback_data *); |
d205d43b | 153 | |
f7a84cb4 JR |
154 | |
155 | static int | |
b56ceb92 | 156 | memq_no_quit (Lisp_Object elt, Lisp_Object list) |
f7a84cb4 JR |
157 | { |
158 | while (CONSP (list) && ! EQ (XCAR (list), elt)) | |
159 | list = XCDR (list); | |
160 | return (CONSP (list)); | |
161 | } | |
162 | ||
e6df5336 | 163 | Lisp_Object |
b56ceb92 | 164 | intern_font_name (char * string) |
e6df5336 JR |
165 | { |
166 | Lisp_Object obarray, tem, str; | |
167 | int len; | |
168 | ||
169 | str = DECODE_SYSTEM (build_string (string)); | |
170 | len = SCHARS (str); | |
171 | ||
172 | /* The following code is copied from the function intern (in lread.c). */ | |
173 | obarray = Vobarray; | |
174 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
175 | obarray = check_obarray (obarray); | |
176 | tem = oblookup (obarray, SDATA (str), len, len); | |
177 | if (SYMBOLP (tem)) | |
178 | return tem; | |
179 | return Fintern (str, obarray); | |
180 | } | |
181 | ||
f7a84cb4 JR |
182 | /* w32 implementation of get_cache for font backend. |
183 | Return a cache of font-entities on FRAME. The cache must be a | |
184 | cons whose cdr part is the actual cache area. */ | |
46fd1ded | 185 | Lisp_Object |
b56ceb92 | 186 | w32font_get_cache (FRAME_PTR f) |
f7a84cb4 | 187 | { |
a4c71909 | 188 | struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
f7a84cb4 JR |
189 | |
190 | return (dpyinfo->name_list_element); | |
191 | } | |
192 | ||
193 | /* w32 implementation of list for font backend. | |
194 | List fonts exactly matching with FONT_SPEC on FRAME. The value | |
195 | is a vector of font-entities. This is the sole API that | |
196 | allocates font-entities. */ | |
20399669 | 197 | static Lisp_Object |
b56ceb92 | 198 | w32font_list (Lisp_Object frame, Lisp_Object font_spec) |
f7a84cb4 | 199 | { |
07d9ba9b | 200 | Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0); |
678dca3d | 201 | FONT_ADD_LOG ("w32font-list", font_spec, fonts); |
07d9ba9b | 202 | return fonts; |
f7a84cb4 JR |
203 | } |
204 | ||
205 | /* w32 implementation of match for font backend. | |
206 | Return a font entity most closely matching with FONT_SPEC on | |
207 | FRAME. The closeness is detemined by the font backend, thus | |
208 | `face-font-selection-order' is ignored here. */ | |
20399669 | 209 | static Lisp_Object |
b56ceb92 | 210 | w32font_match (Lisp_Object frame, Lisp_Object font_spec) |
f7a84cb4 | 211 | { |
07d9ba9b | 212 | Lisp_Object entity = w32font_match_internal (frame, font_spec, 0); |
678dca3d | 213 | FONT_ADD_LOG ("w32font-match", font_spec, entity); |
07d9ba9b | 214 | return entity; |
f7a84cb4 JR |
215 | } |
216 | ||
f7a84cb4 JR |
217 | /* w32 implementation of list_family for font backend. |
218 | List available families. The value is a list of family names | |
219 | (symbols). */ | |
20399669 | 220 | static Lisp_Object |
b56ceb92 | 221 | w32font_list_family (Lisp_Object frame) |
f7a84cb4 JR |
222 | { |
223 | Lisp_Object list = Qnil; | |
224 | LOGFONT font_match_pattern; | |
225 | HDC dc; | |
226 | FRAME_PTR f = XFRAME (frame); | |
227 | ||
72af86bd | 228 | memset (&font_match_pattern, 0, sizeof (font_match_pattern)); |
56df6710 | 229 | font_match_pattern.lfCharSet = DEFAULT_CHARSET; |
f7a84cb4 JR |
230 | |
231 | dc = get_frame_dc (f); | |
232 | ||
233 | EnumFontFamiliesEx (dc, &font_match_pattern, | |
234 | (FONTENUMPROC) add_font_name_to_list, | |
235 | (LPARAM) &list, 0); | |
236 | release_frame_dc (f, dc); | |
237 | ||
238 | return list; | |
239 | } | |
240 | ||
241 | /* w32 implementation of open for font backend. | |
242 | Open a font specified by FONT_ENTITY on frame F. | |
243 | If the font is scalable, open it with PIXEL_SIZE. */ | |
5f18d119 | 244 | static Lisp_Object |
b56ceb92 | 245 | w32font_open (FRAME_PTR f, Lisp_Object font_entity, int pixel_size) |
f7a84cb4 | 246 | { |
bd187c49 JR |
247 | Lisp_Object font_object |
248 | = font_make_object (VECSIZE (struct w32font_info), | |
249 | font_entity, pixel_size); | |
250 | struct w32font_info *w32_font | |
251 | = (struct w32font_info *) XFONT_OBJECT (font_object); | |
f7a84cb4 | 252 | |
4b135503 | 253 | ASET (font_object, FONT_TYPE_INDEX, Qgdi); |
f7a84cb4 | 254 | |
5f18d119 | 255 | if (!w32font_open_internal (f, font_entity, pixel_size, font_object)) |
f7a84cb4 | 256 | { |
5f18d119 | 257 | return Qnil; |
f7a84cb4 JR |
258 | } |
259 | ||
bd187c49 JR |
260 | /* GDI backend does not use glyph indices. */ |
261 | w32_font->glyph_idx = 0; | |
262 | ||
5f18d119 | 263 | return font_object; |
f7a84cb4 JR |
264 | } |
265 | ||
266 | /* w32 implementation of close for font_backend. | |
267 | Close FONT on frame F. */ | |
46fd1ded | 268 | void |
b56ceb92 | 269 | w32font_close (FRAME_PTR f, struct font *font) |
f7a84cb4 | 270 | { |
c35f9821 | 271 | int i; |
5f18d119 | 272 | struct w32font_info *w32_font = (struct w32font_info *) font; |
c35f9821 JR |
273 | |
274 | /* Delete the GDI font object. */ | |
1b5defe6 | 275 | DeleteObject (w32_font->hfont); |
c35f9821 JR |
276 | |
277 | /* Free all the cached metrics. */ | |
278 | if (w32_font->cached_metrics) | |
279 | { | |
280 | for (i = 0; i < w32_font->n_cache_blocks; i++) | |
281 | { | |
5f445726 | 282 | xfree (w32_font->cached_metrics[i]); |
c35f9821 JR |
283 | } |
284 | xfree (w32_font->cached_metrics); | |
285 | w32_font->cached_metrics = NULL; | |
286 | } | |
f7a84cb4 JR |
287 | } |
288 | ||
289 | /* w32 implementation of has_char for font backend. | |
290 | Optional. | |
291 | If FONT_ENTITY has a glyph for character C (Unicode code point), | |
292 | return 1. If not, return 0. If a font must be opened to check | |
293 | it, return -1. */ | |
46fd1ded | 294 | int |
b56ceb92 | 295 | w32font_has_char (Lisp_Object entity, int c) |
f7a84cb4 | 296 | { |
e6eee6ae JR |
297 | /* We can't be certain about which characters a font will support until |
298 | we open it. Checking the scripts that the font supports turns out | |
299 | to not be reliable. */ | |
300 | return -1; | |
301 | ||
302 | #if 0 | |
d205d43b | 303 | Lisp_Object supported_scripts, extra, script; |
f7a84cb4 JR |
304 | DWORD mask; |
305 | ||
01dbeb0b JR |
306 | extra = AREF (entity, FONT_EXTRA_INDEX); |
307 | if (!CONSP (extra)) | |
308 | return -1; | |
309 | ||
d205d43b | 310 | supported_scripts = assq_no_quit (QCscript, extra); |
6a8082b5 JR |
311 | /* If font doesn't claim to support any scripts, then we can't be certain |
312 | until we open it. */ | |
d205d43b | 313 | if (!CONSP (supported_scripts)) |
f7a84cb4 JR |
314 | return -1; |
315 | ||
d205d43b | 316 | supported_scripts = XCDR (supported_scripts); |
f7a84cb4 | 317 | |
d205d43b | 318 | script = CHAR_TABLE_REF (Vchar_script_table, c); |
f7a84cb4 | 319 | |
6a8082b5 JR |
320 | /* If we don't know what script the character is from, then we can't be |
321 | certain until we open it. Also if the font claims support for the script | |
322 | the character is from, it may only have partial coverage, so we still | |
323 | can't be certain until we open the font. */ | |
324 | if (NILP (script) || memq_no_quit (script, supported_scripts)) | |
325 | return -1; | |
326 | ||
327 | /* Font reports what scripts it supports, and none of them are the script | |
e6eee6ae JR |
328 | the character is from. But we still can't be certain, as some fonts |
329 | will contain some/most/all of the characters in that script without | |
330 | claiming support for it. */ | |
331 | return -1; | |
332 | #endif | |
f7a84cb4 JR |
333 | } |
334 | ||
335 | /* w32 implementation of encode_char for font backend. | |
336 | Return a glyph code of FONT for characer C (Unicode code point). | |
bd187c49 JR |
337 | If FONT doesn't have such a glyph, return FONT_INVALID_CODE. |
338 | ||
339 | For speed, the gdi backend uses unicode (Emacs calls encode_char | |
340 | far too often for it to be efficient). But we still need to detect | |
341 | which characters are not supported by the font. | |
342 | */ | |
34fd2d28 | 343 | static unsigned |
b56ceb92 | 344 | w32font_encode_char (struct font *font, int c) |
f7a84cb4 | 345 | { |
bd187c49 | 346 | struct w32font_info * w32_font = (struct w32font_info *)font; |
34fd2d28 | 347 | |
bd187c49 JR |
348 | if (c < w32_font->metrics.tmFirstChar |
349 | || c > w32_font->metrics.tmLastChar) | |
350 | return FONT_INVALID_CODE; | |
34fd2d28 | 351 | else |
bd187c49 | 352 | return c; |
f7a84cb4 JR |
353 | } |
354 | ||
355 | /* w32 implementation of text_extents for font backend. | |
356 | Perform the size computation of glyphs of FONT and fillin members | |
357 | of METRICS. The glyphs are specified by their glyph codes in | |
78573c57 | 358 | CODE (length NGLYPHS). Apparently metrics can be NULL, in this |
f7a84cb4 | 359 | case just return the overall width. */ |
46fd1ded | 360 | int |
b56ceb92 JB |
361 | w32font_text_extents (struct font *font, unsigned *code, |
362 | int nglyphs, struct font_metrics *metrics) | |
f7a84cb4 JR |
363 | { |
364 | int i; | |
2a36efcf JR |
365 | HFONT old_font = NULL; |
366 | HDC dc = NULL; | |
46fd1ded | 367 | struct frame * f; |
f7a84cb4 | 368 | int total_width = 0; |
f31cf550 | 369 | WORD *wcode; |
d205d43b | 370 | SIZE size; |
f7a84cb4 | 371 | |
1b5defe6 JR |
372 | struct w32font_info *w32_font = (struct w32font_info *) font; |
373 | ||
f7a84cb4 JR |
374 | if (metrics) |
375 | { | |
72af86bd | 376 | memset (metrics, 0, sizeof (struct font_metrics)); |
388c38f9 JR |
377 | metrics->ascent = font->ascent; |
378 | metrics->descent = font->descent; | |
f7a84cb4 JR |
379 | |
380 | for (i = 0; i < nglyphs; i++) | |
381 | { | |
8f112d52 JR |
382 | struct w32_metric_cache *char_metric; |
383 | int block = *(code + i) / CACHE_BLOCKSIZE; | |
384 | int pos_in_block = *(code + i) % CACHE_BLOCKSIZE; | |
385 | ||
386 | if (block >= w32_font->n_cache_blocks) | |
387 | { | |
388 | if (!w32_font->cached_metrics) | |
389 | w32_font->cached_metrics | |
390 | = xmalloc ((block + 1) | |
9cac6313 | 391 | * sizeof (struct w32_metric_cache *)); |
8f112d52 JR |
392 | else |
393 | w32_font->cached_metrics | |
394 | = xrealloc (w32_font->cached_metrics, | |
395 | (block + 1) | |
9cac6313 | 396 | * sizeof (struct w32_metric_cache *)); |
72af86bd AS |
397 | memset (w32_font->cached_metrics + w32_font->n_cache_blocks, 0, |
398 | ((block + 1 - w32_font->n_cache_blocks) | |
399 | * sizeof (struct w32_metric_cache *))); | |
8f112d52 JR |
400 | w32_font->n_cache_blocks = block + 1; |
401 | } | |
402 | ||
403 | if (!w32_font->cached_metrics[block]) | |
404 | { | |
405 | w32_font->cached_metrics[block] | |
9cac6313 | 406 | = xmalloc (CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); |
72af86bd AS |
407 | memset (w32_font->cached_metrics[block], 0, |
408 | CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); | |
8f112d52 JR |
409 | } |
410 | ||
411 | char_metric = w32_font->cached_metrics[block] + pos_in_block; | |
412 | ||
413 | if (char_metric->status == W32METRIC_NO_ATTEMPT) | |
414 | { | |
415 | if (dc == NULL) | |
416 | { | |
417 | /* TODO: Frames can come and go, and their fonts | |
418 | outlive them. So we can't cache the frame in the | |
419 | font structure. Use selected_frame until the API | |
420 | is updated to pass in a frame. */ | |
421 | f = XFRAME (selected_frame); | |
9c623c85 | 422 | |
2a36efcf | 423 | dc = get_frame_dc (f); |
1b5defe6 | 424 | old_font = SelectObject (dc, w32_font->hfont); |
8f112d52 JR |
425 | } |
426 | compute_metrics (dc, w32_font, *(code + i), char_metric); | |
427 | } | |
78573c57 | 428 | |
8f112d52 JR |
429 | if (char_metric->status == W32METRIC_SUCCESS) |
430 | { | |
431 | metrics->lbearing = min (metrics->lbearing, | |
432 | metrics->width + char_metric->lbearing); | |
433 | metrics->rbearing = max (metrics->rbearing, | |
434 | metrics->width + char_metric->rbearing); | |
435 | metrics->width += char_metric->width; | |
436 | } | |
437 | else | |
438 | /* If we couldn't get metrics for a char, | |
439 | use alternative method. */ | |
440 | break; | |
441 | } | |
78573c57 JR |
442 | /* If we got through everything, return. */ |
443 | if (i == nglyphs) | |
444 | { | |
2a36efcf JR |
445 | if (dc != NULL) |
446 | { | |
447 | /* Restore state and release DC. */ | |
448 | SelectObject (dc, old_font); | |
449 | release_frame_dc (f, dc); | |
450 | } | |
78573c57 JR |
451 | |
452 | return metrics->width; | |
453 | } | |
f7a84cb4 | 454 | } |
78573c57 | 455 | |
56df6710 JR |
456 | /* For non-truetype fonts, GetGlyphOutlineW is not supported, so |
457 | fallback on other methods that will at least give some of the metric | |
458 | information. */ | |
b003e5ff | 459 | |
f31cf550 JR |
460 | /* Make array big enough to hold surrogates. */ |
461 | wcode = alloca (nglyphs * sizeof (WORD) * 2); | |
462 | for (i = 0; i < nglyphs; i++) | |
463 | { | |
464 | if (code[i] < 0x10000) | |
465 | wcode[i] = code[i]; | |
466 | else | |
467 | { | |
468 | DWORD surrogate = code[i] - 0x10000; | |
469 | ||
470 | /* High surrogate: U+D800 - U+DBFF. */ | |
471 | wcode[i++] = 0xD800 + ((surrogate >> 10) & 0x03FF); | |
472 | /* Low surrogate: U+DC00 - U+DFFF. */ | |
473 | wcode[i] = 0xDC00 + (surrogate & 0x03FF); | |
474 | /* An extra glyph. wcode is already double the size of code to | |
475 | cope with this. */ | |
476 | nglyphs++; | |
477 | } | |
478 | } | |
479 | ||
2a36efcf JR |
480 | if (dc == NULL) |
481 | { | |
8f112d52 JR |
482 | /* TODO: Frames can come and go, and their fonts outlive |
483 | them. So we can't cache the frame in the font structure. Use | |
484 | selected_frame until the API is updated to pass in a | |
485 | frame. */ | |
486 | f = XFRAME (selected_frame); | |
487 | ||
2a36efcf | 488 | dc = get_frame_dc (f); |
1b5defe6 | 489 | old_font = SelectObject (dc, w32_font->hfont); |
2a36efcf JR |
490 | } |
491 | ||
d205d43b | 492 | if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size)) |
f7a84cb4 | 493 | { |
d205d43b | 494 | total_width = size.cx; |
f7a84cb4 JR |
495 | } |
496 | ||
56df6710 JR |
497 | /* On 95/98/ME, only some unicode functions are available, so fallback |
498 | on doing a dummy draw to find the total width. */ | |
d205d43b | 499 | if (!total_width) |
f7a84cb4 JR |
500 | { |
501 | RECT rect; | |
5f18d119 | 502 | rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1; |
f7a84cb4 JR |
503 | DrawTextW (dc, wcode, nglyphs, &rect, |
504 | DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE); | |
505 | total_width = rect.right; | |
506 | } | |
d205d43b | 507 | |
56df6710 | 508 | /* Give our best estimate of the metrics, based on what we know. */ |
78573c57 JR |
509 | if (metrics) |
510 | { | |
79ca7db1 | 511 | metrics->width = total_width - w32_font->metrics.tmOverhang; |
78573c57 | 512 | metrics->lbearing = 0; |
79ca7db1 | 513 | metrics->rbearing = total_width; |
78573c57 JR |
514 | } |
515 | ||
f7a84cb4 JR |
516 | /* Restore state and release DC. */ |
517 | SelectObject (dc, old_font); | |
46fd1ded | 518 | release_frame_dc (f, dc); |
f7a84cb4 JR |
519 | |
520 | return total_width; | |
521 | } | |
522 | ||
523 | /* w32 implementation of draw for font backend. | |
524 | Optional. | |
525 | Draw glyphs between FROM and TO of S->char2b at (X Y) pixel | |
526 | position of frame F with S->FACE and S->GC. If WITH_BACKGROUND | |
527 | is nonzero, fill the background in advance. It is assured that | |
a74ddbda JR |
528 | WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars). |
529 | ||
530 | TODO: Currently this assumes that the colors and fonts are already | |
531 | set in the DC. This seems to be true now, but maybe only due to | |
532 | the old font code setting it up. It may be safer to resolve faces | |
533 | and fonts in here and set them explicitly | |
534 | */ | |
535 | ||
46fd1ded | 536 | int |
b56ceb92 JB |
537 | w32font_draw (struct glyph_string *s, int from, int to, |
538 | int x, int y, int with_background) | |
f7a84cb4 | 539 | { |
34fd2d28 | 540 | UINT options; |
f70eb806 | 541 | HRGN orig_clip = NULL; |
5f18d119 | 542 | struct w32font_info *w32font = (struct w32font_info *) s->font; |
34fd2d28 JR |
543 | |
544 | options = w32font->glyph_idx; | |
5c2c9c79 | 545 | |
5c2c9c79 JR |
546 | if (s->num_clips > 0) |
547 | { | |
548 | HRGN new_clip = CreateRectRgnIndirect (s->clip); | |
549 | ||
f70eb806 JR |
550 | /* Save clip region for later restoration. */ |
551 | orig_clip = CreateRectRgn (0, 0, 0, 0); | |
ed3751c8 | 552 | if (!GetClipRgn (s->hdc, orig_clip)) |
f70eb806 JR |
553 | { |
554 | DeleteObject (orig_clip); | |
555 | orig_clip = NULL; | |
556 | } | |
557 | ||
5c2c9c79 JR |
558 | if (s->num_clips > 1) |
559 | { | |
560 | HRGN clip2 = CreateRectRgnIndirect (s->clip + 1); | |
561 | ||
562 | CombineRgn (new_clip, new_clip, clip2, RGN_OR); | |
563 | DeleteObject (clip2); | |
564 | } | |
565 | ||
566 | SelectClipRgn (s->hdc, new_clip); | |
567 | DeleteObject (new_clip); | |
568 | } | |
f7a84cb4 | 569 | |
fb3b8017 JR |
570 | /* Using OPAQUE background mode can clear more background than expected |
571 | when Cleartype is used. Draw the background manually to avoid this. */ | |
572 | SetBkMode (s->hdc, TRANSPARENT); | |
f7a84cb4 JR |
573 | if (with_background) |
574 | { | |
1065a502 JR |
575 | HBRUSH brush; |
576 | RECT rect; | |
5f18d119 | 577 | struct font *font = s->font; |
1065a502 JR |
578 | |
579 | brush = CreateSolidBrush (s->gc->background); | |
580 | rect.left = x; | |
fb3b8017 | 581 | rect.top = y - font->ascent; |
1065a502 | 582 | rect.right = x + s->width; |
fb3b8017 | 583 | rect.bottom = y + font->descent; |
1065a502 | 584 | FillRect (s->hdc, &rect, brush); |
f2b25c0e | 585 | DeleteObject (brush); |
f7a84cb4 | 586 | } |
040fe918 | 587 | |
de63f07f KH |
588 | if (s->padding_p) |
589 | { | |
590 | int len = to - from, i; | |
591 | ||
592 | for (i = 0; i < len; i++) | |
593 | ExtTextOutW (s->hdc, x + i, y, options, NULL, | |
8501c48b | 594 | s->char2b + from + i, 1, NULL); |
de63f07f KH |
595 | } |
596 | else | |
597 | ExtTextOutW (s->hdc, x, y, options, NULL, s->char2b + from, to - from, NULL); | |
5c2c9c79 JR |
598 | |
599 | /* Restore clip region. */ | |
600 | if (s->num_clips > 0) | |
f70eb806 JR |
601 | SelectClipRgn (s->hdc, orig_clip); |
602 | ||
603 | if (orig_clip) | |
604 | DeleteObject (orig_clip); | |
f7a84cb4 JR |
605 | } |
606 | ||
607 | /* w32 implementation of free_entity for font backend. | |
608 | Optional (if FONT_EXTRA_INDEX is not Lisp_Save_Value). | |
609 | Free FONT_EXTRA_INDEX field of FONT_ENTITY. | |
20399669 JR |
610 | static void |
611 | w32font_free_entity (Lisp_Object entity); | |
f7a84cb4 JR |
612 | */ |
613 | ||
614 | /* w32 implementation of prepare_face for font backend. | |
615 | Optional (if FACE->extra is not used). | |
616 | Prepare FACE for displaying characters by FONT on frame F by | |
617 | storing some data in FACE->extra. If successful, return 0. | |
618 | Otherwise, return -1. | |
20399669 JR |
619 | static int |
620 | w32font_prepare_face (FRAME_PTR f, struct face *face); | |
f7a84cb4 JR |
621 | */ |
622 | /* w32 implementation of done_face for font backend. | |
623 | Optional. | |
624 | Done FACE for displaying characters by FACE->font on frame F. | |
20399669 JR |
625 | static void |
626 | w32font_done_face (FRAME_PTR f, struct face *face); */ | |
f7a84cb4 JR |
627 | |
628 | /* w32 implementation of get_bitmap for font backend. | |
629 | Optional. | |
630 | Store bitmap data for glyph-code CODE of FONT in BITMAP. It is | |
f2b25c0e | 631 | intended that this method is called from the other font-driver |
f7a84cb4 | 632 | for actual drawing. |
20399669 JR |
633 | static int |
634 | w32font_get_bitmap (struct font *font, unsigned code, | |
635 | struct font_bitmap *bitmap, int bits_per_pixel); | |
f7a84cb4 JR |
636 | */ |
637 | /* w32 implementation of free_bitmap for font backend. | |
638 | Optional. | |
639 | Free bitmap data in BITMAP. | |
20399669 JR |
640 | static void |
641 | w32font_free_bitmap (struct font *font, struct font_bitmap *bitmap); | |
f7a84cb4 JR |
642 | */ |
643 | /* w32 implementation of get_outline for font backend. | |
644 | Optional. | |
645 | Return an outline data for glyph-code CODE of FONT. The format | |
646 | of the outline data depends on the font-driver. | |
20399669 JR |
647 | static void * |
648 | w32font_get_outline (struct font *font, unsigned code); | |
f7a84cb4 JR |
649 | */ |
650 | /* w32 implementation of free_outline for font backend. | |
651 | Optional. | |
652 | Free OUTLINE (that is obtained by the above method). | |
20399669 JR |
653 | static void |
654 | w32font_free_outline (struct font *font, void *outline); | |
f7a84cb4 JR |
655 | */ |
656 | /* w32 implementation of anchor_point for font backend. | |
657 | Optional. | |
658 | Get coordinates of the INDEXth anchor point of the glyph whose | |
659 | code is CODE. Store the coordinates in *X and *Y. Return 0 if | |
660 | the operations was successfull. Otherwise return -1. | |
20399669 JR |
661 | static int |
662 | w32font_anchor_point (struct font *font, unsigned code, | |
f7a84cb4 JR |
663 | int index, int *x, int *y); |
664 | */ | |
665 | /* w32 implementation of otf_capability for font backend. | |
666 | Optional. | |
667 | Return a list describing which scripts/languages FONT | |
668 | supports by which GSUB/GPOS features of OpenType tables. | |
20399669 JR |
669 | static Lisp_Object |
670 | w32font_otf_capability (struct font *font); | |
f7a84cb4 JR |
671 | */ |
672 | /* w32 implementation of otf_drive for font backend. | |
673 | Optional. | |
674 | Apply FONT's OTF-FEATURES to the glyph string. | |
675 | ||
676 | FEATURES specifies which OTF features to apply in this format: | |
677 | (SCRIPT LANGSYS GSUB-FEATURE GPOS-FEATURE) | |
678 | See the documentation of `font-drive-otf' for the detail. | |
679 | ||
680 | This method applies the specified features to the codes in the | |
681 | elements of GSTRING-IN (between FROMth and TOth). The output | |
682 | codes are stored in GSTRING-OUT at the IDXth element and the | |
683 | following elements. | |
684 | ||
685 | Return the number of output codes. If none of the features are | |
686 | applicable to the input data, return 0. If GSTRING-OUT is too | |
687 | short, return -1. | |
20399669 JR |
688 | static int |
689 | w32font_otf_drive (struct font *font, Lisp_Object features, | |
690 | Lisp_Object gstring_in, int from, int to, | |
691 | Lisp_Object gstring_out, int idx, | |
692 | int alternate_subst); | |
f7a84cb4 JR |
693 | */ |
694 | ||
46fd1ded JR |
695 | /* Internal implementation of w32font_list. |
696 | Additional parameter opentype_only restricts the returned fonts to | |
697 | opentype fonts, which can be used with the Uniscribe backend. */ | |
698 | Lisp_Object | |
b56ceb92 | 699 | w32font_list_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only) |
46fd1ded JR |
700 | { |
701 | struct font_callback_data match_data; | |
702 | HDC dc; | |
703 | FRAME_PTR f = XFRAME (frame); | |
704 | ||
705 | match_data.orig_font_spec = font_spec; | |
706 | match_data.list = Qnil; | |
707 | match_data.frame = frame; | |
708 | ||
72af86bd | 709 | memset (&match_data.pattern, 0, sizeof (LOGFONT)); |
46fd1ded JR |
710 | fill_in_logfont (f, &match_data.pattern, font_spec); |
711 | ||
19ae3e61 JR |
712 | /* If the charset is unrecognized, then we won't find a font, so don't |
713 | waste time looking for one. */ | |
714 | if (match_data.pattern.lfCharSet == DEFAULT_CHARSET) | |
715 | { | |
716 | Lisp_Object spec_charset = AREF (font_spec, FONT_REGISTRY_INDEX); | |
717 | if (!NILP (spec_charset) | |
718 | && !EQ (spec_charset, Qiso10646_1) | |
719 | && !EQ (spec_charset, Qunicode_bmp) | |
720 | && !EQ (spec_charset, Qunicode_sip) | |
721 | && !EQ (spec_charset, Qunknown)) | |
722 | return Qnil; | |
723 | } | |
724 | ||
46fd1ded JR |
725 | match_data.opentype_only = opentype_only; |
726 | if (opentype_only) | |
727 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
728 | ||
729 | if (match_data.pattern.lfFaceName[0] == '\0') | |
730 | { | |
731 | /* EnumFontFamiliesEx does not take other fields into account if | |
732 | font name is blank, so need to use two passes. */ | |
733 | list_all_matching_fonts (&match_data); | |
734 | } | |
735 | else | |
736 | { | |
737 | dc = get_frame_dc (f); | |
738 | ||
739 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
740 | (FONTENUMPROC) add_font_entity_to_list, | |
741 | (LPARAM) &match_data, 0); | |
742 | release_frame_dc (f, dc); | |
743 | } | |
744 | ||
19ae3e61 | 745 | return match_data.list; |
46fd1ded JR |
746 | } |
747 | ||
748 | /* Internal implementation of w32font_match. | |
749 | Additional parameter opentype_only restricts the returned fonts to | |
750 | opentype fonts, which can be used with the Uniscribe backend. */ | |
751 | Lisp_Object | |
b56ceb92 | 752 | w32font_match_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only) |
46fd1ded JR |
753 | { |
754 | struct font_callback_data match_data; | |
755 | HDC dc; | |
756 | FRAME_PTR f = XFRAME (frame); | |
757 | ||
758 | match_data.orig_font_spec = font_spec; | |
759 | match_data.frame = frame; | |
760 | match_data.list = Qnil; | |
761 | ||
72af86bd | 762 | memset (&match_data.pattern, 0, sizeof (LOGFONT)); |
46fd1ded JR |
763 | fill_in_logfont (f, &match_data.pattern, font_spec); |
764 | ||
765 | match_data.opentype_only = opentype_only; | |
766 | if (opentype_only) | |
767 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
768 | ||
769 | dc = get_frame_dc (f); | |
770 | ||
771 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
772 | (FONTENUMPROC) add_one_font_entity_to_list, | |
773 | (LPARAM) &match_data, 0); | |
774 | release_frame_dc (f, dc); | |
775 | ||
776 | return NILP (match_data.list) ? Qnil : XCAR (match_data.list); | |
777 | } | |
778 | ||
f0121ad2 | 779 | int |
b56ceb92 JB |
780 | w32font_open_internal (FRAME_PTR f, Lisp_Object font_entity, |
781 | int pixel_size, Lisp_Object font_object) | |
f0121ad2 | 782 | { |
5f18d119 | 783 | int len, size, i; |
f0121ad2 JR |
784 | LOGFONT logfont; |
785 | HDC dc; | |
786 | HFONT hfont, old_font; | |
787 | Lisp_Object val, extra; | |
5f18d119 KH |
788 | struct w32font_info *w32_font; |
789 | struct font * font; | |
bd187c49 | 790 | OUTLINETEXTMETRICW* metrics = NULL; |
5f18d119 KH |
791 | |
792 | w32_font = (struct w32font_info *) XFONT_OBJECT (font_object); | |
793 | font = (struct font *) w32_font; | |
f0121ad2 | 794 | |
f0121ad2 JR |
795 | if (!font) |
796 | return 0; | |
797 | ||
72af86bd | 798 | memset (&logfont, 0, sizeof (logfont)); |
f0121ad2 JR |
799 | fill_in_logfont (f, &logfont, font_entity); |
800 | ||
1519d52e JR |
801 | /* Prefer truetype fonts, to avoid known problems with type1 fonts, and |
802 | limitations in bitmap fonts. */ | |
803 | val = AREF (font_entity, FONT_FOUNDRY_INDEX); | |
804 | if (!EQ (val, Qraster)) | |
805 | logfont.lfOutPrecision = OUT_TT_PRECIS; | |
806 | ||
f0121ad2 JR |
807 | size = XINT (AREF (font_entity, FONT_SIZE_INDEX)); |
808 | if (!size) | |
809 | size = pixel_size; | |
810 | ||
811 | logfont.lfHeight = -size; | |
812 | hfont = CreateFontIndirect (&logfont); | |
813 | ||
814 | if (hfont == NULL) | |
815 | return 0; | |
816 | ||
f0121ad2 JR |
817 | /* Get the metrics for this font. */ |
818 | dc = get_frame_dc (f); | |
819 | old_font = SelectObject (dc, hfont); | |
820 | ||
5f18d119 | 821 | /* Try getting the outline metrics (only works for truetype fonts). */ |
bd187c49 | 822 | len = GetOutlineTextMetricsW (dc, 0, NULL); |
5f18d119 KH |
823 | if (len) |
824 | { | |
bd187c49 JR |
825 | metrics = (OUTLINETEXTMETRICW *) alloca (len); |
826 | if (GetOutlineTextMetricsW (dc, len, metrics)) | |
72af86bd AS |
827 | memcpy (&w32_font->metrics, &metrics->otmTextMetrics, |
828 | sizeof (TEXTMETRICW)); | |
5f18d119 KH |
829 | else |
830 | metrics = NULL; | |
831 | } | |
f0121ad2 | 832 | |
943f2093 | 833 | if (!metrics) |
b0857706 | 834 | GetTextMetricsW (dc, &w32_font->metrics); |
b003e5ff | 835 | |
8f112d52 JR |
836 | w32_font->cached_metrics = NULL; |
837 | w32_font->n_cache_blocks = 0; | |
54efdcd1 | 838 | |
f0121ad2 JR |
839 | SelectObject (dc, old_font); |
840 | release_frame_dc (f, dc); | |
34fd2d28 | 841 | |
1b5defe6 | 842 | w32_font->hfont = hfont; |
f0121ad2 | 843 | |
5ace1ec1 JR |
844 | { |
845 | char *name; | |
846 | ||
847 | /* We don't know how much space we need for the full name, so start with | |
848 | 96 bytes and go up in steps of 32. */ | |
849 | len = 96; | |
c35f9821 | 850 | name = alloca (len); |
67997c79 JR |
851 | while (name && w32font_full_name (&logfont, font_entity, pixel_size, |
852 | name, len) < 0) | |
5ace1ec1 | 853 | { |
c35f9821 JR |
854 | len += 32; |
855 | name = alloca (len); | |
5ace1ec1 JR |
856 | } |
857 | if (name) | |
5f18d119 | 858 | font->props[FONT_FULLNAME_INDEX] |
e6df5336 | 859 | = DECODE_SYSTEM (build_string (name)); |
5ace1ec1 | 860 | else |
e6df5336 JR |
861 | font->props[FONT_FULLNAME_INDEX] |
862 | = DECODE_SYSTEM (build_string (logfont.lfFaceName)); | |
5ace1ec1 | 863 | } |
5f18d119 KH |
864 | |
865 | font->max_width = w32_font->metrics.tmMaxCharWidth; | |
b003e5ff | 866 | /* Parts of Emacs display assume that height = ascent + descent... |
9196133b | 867 | so height is defined later, after ascent and descent. |
5f18d119 | 868 | font->height = w32_font->metrics.tmHeight |
f0121ad2 | 869 | + w32_font->metrics.tmExternalLeading; |
9196133b JR |
870 | */ |
871 | ||
5f18d119 KH |
872 | font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth; |
873 | ||
874 | font->vertical_centering = 0; | |
875 | font->encoding_type = 0; | |
876 | font->baseline_offset = 0; | |
877 | font->relative_compose = 0; | |
878 | font->default_ascent = w32_font->metrics.tmAscent; | |
879 | font->font_encoder = NULL; | |
f0121ad2 JR |
880 | font->pixel_size = size; |
881 | font->driver = &w32font_driver; | |
34fd2d28 JR |
882 | /* Use format cached during list, as the information we have access to |
883 | here is incomplete. */ | |
884 | extra = AREF (font_entity, FONT_EXTRA_INDEX); | |
885 | if (CONSP (extra)) | |
886 | { | |
887 | val = assq_no_quit (QCformat, extra); | |
888 | if (CONSP (val)) | |
5f18d119 | 889 | font->props[FONT_FORMAT_INDEX] = XCDR (val); |
34fd2d28 | 890 | else |
5f18d119 | 891 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 JR |
892 | } |
893 | else | |
5f18d119 | 894 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 | 895 | |
5f18d119 | 896 | font->props[FONT_FILE_INDEX] = Qnil; |
f0121ad2 JR |
897 | font->encoding_charset = -1; |
898 | font->repertory_charset = -1; | |
04b65d2b | 899 | /* TODO: do we really want the minimum width here, which could be negative? */ |
5f18d119 | 900 | font->min_width = font->space_width; |
f0121ad2 JR |
901 | font->ascent = w32_font->metrics.tmAscent; |
902 | font->descent = w32_font->metrics.tmDescent; | |
9196133b | 903 | font->height = font->ascent + font->descent; |
5f18d119 KH |
904 | |
905 | if (metrics) | |
906 | { | |
907 | font->underline_thickness = metrics->otmsUnderscoreSize; | |
908 | font->underline_position = -metrics->otmsUnderscorePosition; | |
909 | } | |
910 | else | |
911 | { | |
912 | font->underline_thickness = 0; | |
913 | font->underline_position = -1; | |
914 | } | |
f0121ad2 | 915 | |
5f18d119 KH |
916 | /* For temporary compatibility with legacy code that expects the |
917 | name to be usable in x-list-fonts. Eventually we expect to change | |
918 | x-list-fonts and other places that use fonts so that this can be | |
919 | an fcname or similar. */ | |
a30e1957 | 920 | font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil); |
04b65d2b | 921 | |
f0121ad2 JR |
922 | return 1; |
923 | } | |
924 | ||
f7a84cb4 JR |
925 | /* Callback function for EnumFontFamiliesEx. |
926 | * Adds the name of a font to a Lisp list (passed in as the lParam arg). */ | |
20399669 | 927 | static int CALLBACK |
b56ceb92 JB |
928 | add_font_name_to_list (ENUMLOGFONTEX *logical_font, |
929 | NEWTEXTMETRICEX *physical_font, | |
930 | DWORD font_type, LPARAM list_object) | |
f7a84cb4 JR |
931 | { |
932 | Lisp_Object* list = (Lisp_Object *) list_object; | |
20a2b756 JR |
933 | Lisp_Object family; |
934 | ||
935 | /* Skip vertical fonts (intended only for printing) */ | |
936 | if (logical_font->elfLogFont.lfFaceName[0] == '@') | |
937 | return 1; | |
938 | ||
e6df5336 | 939 | family = intern_font_name (logical_font->elfLogFont.lfFaceName); |
f7a84cb4 JR |
940 | if (! memq_no_quit (family, *list)) |
941 | *list = Fcons (family, *list); | |
942 | ||
943 | return 1; | |
944 | } | |
945 | ||
f57e2426 J |
946 | static int w32_decode_weight (int); |
947 | static int w32_encode_weight (int); | |
5f18d119 | 948 | |
f7a84cb4 | 949 | /* Convert an enumerated Windows font to an Emacs font entity. */ |
20399669 | 950 | static Lisp_Object |
b56ceb92 JB |
951 | w32_enumfont_pattern_entity (Lisp_Object frame, |
952 | ENUMLOGFONTEX *logical_font, | |
953 | NEWTEXTMETRICEX *physical_font, | |
954 | DWORD font_type, | |
955 | LOGFONT *requested_font, | |
956 | Lisp_Object backend) | |
f7a84cb4 JR |
957 | { |
958 | Lisp_Object entity, tem; | |
959 | LOGFONT *lf = (LOGFONT*) logical_font; | |
960 | BYTE generic_type; | |
56df6710 | 961 | DWORD full_type = physical_font->ntmTm.ntmFlags; |
f7a84cb4 | 962 | |
5f18d119 | 963 | entity = font_make_entity (); |
f7a84cb4 | 964 | |
34fd2d28 | 965 | ASET (entity, FONT_TYPE_INDEX, backend); |
c960bff8 | 966 | ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type)); |
f7a84cb4 JR |
967 | ASET (entity, FONT_OBJLIST_INDEX, Qnil); |
968 | ||
969 | /* Foundry is difficult to get in readable form on Windows. | |
d205d43b | 970 | But Emacs crashes if it is not set, so set it to something more |
9c623c85 | 971 | generic. These values make xlfds compatible with Emacs 22. */ |
d205d43b JR |
972 | if (lf->lfOutPrecision == OUT_STRING_PRECIS) |
973 | tem = Qraster; | |
974 | else if (lf->lfOutPrecision == OUT_STROKE_PRECIS) | |
975 | tem = Qoutline; | |
976 | else | |
977 | tem = Qunknown; | |
978 | ||
979 | ASET (entity, FONT_FOUNDRY_INDEX, tem); | |
980 | ||
981 | /* Save the generic family in the extra info, as it is likely to be | |
982 | useful to users looking for a close match. */ | |
f7a84cb4 JR |
983 | generic_type = physical_font->ntmTm.tmPitchAndFamily & 0xF0; |
984 | if (generic_type == FF_DECORATIVE) | |
985 | tem = Qdecorative; | |
986 | else if (generic_type == FF_MODERN) | |
9e1a2995 | 987 | tem = Qmono; |
f7a84cb4 | 988 | else if (generic_type == FF_ROMAN) |
d205d43b | 989 | tem = Qserif; |
f7a84cb4 JR |
990 | else if (generic_type == FF_SCRIPT) |
991 | tem = Qscript; | |
992 | else if (generic_type == FF_SWISS) | |
9e1a2995 | 993 | tem = Qsans; |
f7a84cb4 | 994 | else |
5f18d119 | 995 | tem = Qnil; |
9e1a2995 JR |
996 | |
997 | ASET (entity, FONT_ADSTYLE_INDEX, tem); | |
f7a84cb4 | 998 | |
d205d43b | 999 | if (physical_font->ntmTm.tmPitchAndFamily & 0x01) |
5f18d119 | 1000 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL)); |
d205d43b | 1001 | else |
ed18e612 | 1002 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL)); |
f7a84cb4 | 1003 | |
91583281 JR |
1004 | if (requested_font->lfQuality != DEFAULT_QUALITY) |
1005 | { | |
1006 | font_put_extra (entity, QCantialias, | |
1007 | lispy_antialias_type (requested_font->lfQuality)); | |
1008 | } | |
f7a84cb4 | 1009 | ASET (entity, FONT_FAMILY_INDEX, |
e6df5336 | 1010 | intern_font_name (lf->lfFaceName)); |
f7a84cb4 | 1011 | |
5f18d119 KH |
1012 | FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, |
1013 | make_number (w32_decode_weight (lf->lfWeight))); | |
1014 | FONT_SET_STYLE (entity, FONT_SLANT_INDEX, | |
1015 | make_number (lf->lfItalic ? 200 : 100)); | |
d205d43b JR |
1016 | /* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics |
1017 | to get it. */ | |
5f18d119 | 1018 | FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100)); |
f7a84cb4 | 1019 | |
040fe918 | 1020 | if (font_type & RASTER_FONTTYPE) |
597634cb JR |
1021 | ASET (entity, FONT_SIZE_INDEX, |
1022 | make_number (physical_font->ntmTm.tmHeight | |
1023 | + physical_font->ntmTm.tmExternalLeading)); | |
040fe918 JR |
1024 | else |
1025 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
f7a84cb4 JR |
1026 | |
1027 | /* Cache unicode codepoints covered by this font, as there is no other way | |
1028 | of getting this information easily. */ | |
040fe918 | 1029 | if (font_type & TRUETYPE_FONTTYPE) |
f7a84cb4 | 1030 | { |
aee986fd JR |
1031 | tem = font_supported_scripts (&physical_font->ntmFontSig); |
1032 | if (!NILP (tem)) | |
1033 | font_put_extra (entity, QCscript, tem); | |
f7a84cb4 | 1034 | } |
d205d43b | 1035 | |
34fd2d28 JR |
1036 | /* This information is not fully available when opening fonts, so |
1037 | save it here. Only Windows 2000 and later return information | |
1038 | about opentype and type1 fonts, so need a fallback for detecting | |
1039 | truetype so that this information is not any worse than we could | |
1040 | have obtained later. */ | |
56df6710 JR |
1041 | if (EQ (backend, Quniscribe) && (full_type & NTMFLAGS_OPENTYPE)) |
1042 | tem = intern ("opentype"); | |
1043 | else if (font_type & TRUETYPE_FONTTYPE) | |
34fd2d28 | 1044 | tem = intern ("truetype"); |
34fd2d28 JR |
1045 | else if (full_type & NTM_PS_OPENTYPE) |
1046 | tem = intern ("postscript"); | |
56df6710 JR |
1047 | else if (full_type & NTM_TYPE1) |
1048 | tem = intern ("type1"); | |
34fd2d28 JR |
1049 | else if (font_type & RASTER_FONTTYPE) |
1050 | tem = intern ("w32bitmap"); | |
1051 | else | |
1052 | tem = intern ("w32vector"); | |
1053 | ||
1054 | font_put_extra (entity, QCformat, tem); | |
1055 | ||
f7a84cb4 JR |
1056 | return entity; |
1057 | } | |
1058 | ||
d205d43b JR |
1059 | |
1060 | /* Convert generic families to the family portion of lfPitchAndFamily. */ | |
1061 | BYTE | |
1062 | w32_generic_family (Lisp_Object name) | |
1063 | { | |
1064 | /* Generic families. */ | |
1065 | if (EQ (name, Qmonospace) || EQ (name, Qmono)) | |
1066 | return FF_MODERN; | |
9e1a2995 | 1067 | else if (EQ (name, Qsans) || EQ (name, Qsans_serif) || EQ (name, Qsansserif)) |
d205d43b JR |
1068 | return FF_SWISS; |
1069 | else if (EQ (name, Qserif)) | |
1070 | return FF_ROMAN; | |
1071 | else if (EQ (name, Qdecorative)) | |
1072 | return FF_DECORATIVE; | |
1073 | else if (EQ (name, Qscript)) | |
1074 | return FF_SCRIPT; | |
1075 | else | |
1076 | return FF_DONTCARE; | |
1077 | } | |
1078 | ||
1079 | static int | |
b56ceb92 | 1080 | logfonts_match (LOGFONT *font, LOGFONT *pattern) |
d205d43b JR |
1081 | { |
1082 | /* Only check height for raster fonts. */ | |
1083 | if (pattern->lfHeight && font->lfOutPrecision == OUT_STRING_PRECIS | |
1084 | && font->lfHeight != pattern->lfHeight) | |
1085 | return 0; | |
1086 | ||
1087 | /* Have some flexibility with weights. */ | |
1088 | if (pattern->lfWeight | |
1089 | && ((font->lfWeight < (pattern->lfWeight - 150)) | |
1090 | || font->lfWeight > (pattern->lfWeight + 150))) | |
1091 | return 0; | |
1092 | ||
1093 | /* Charset and face should be OK. Italic has to be checked | |
1094 | against the original spec, in case we don't have any preference. */ | |
1095 | return 1; | |
1096 | } | |
1097 | ||
4c100a01 JR |
1098 | /* Codepage Bitfields in FONTSIGNATURE struct. */ |
1099 | #define CSB_JAPANESE (1 << 17) | |
1100 | #define CSB_KOREAN ((1 << 19) | (1 << 21)) | |
1101 | #define CSB_CHINESE ((1 << 18) | (1 << 20)) | |
1102 | ||
d205d43b | 1103 | static int |
b56ceb92 JB |
1104 | font_matches_spec (DWORD type, NEWTEXTMETRICEX *font, |
1105 | Lisp_Object spec, Lisp_Object backend, | |
1106 | LOGFONT *logfont) | |
d205d43b JR |
1107 | { |
1108 | Lisp_Object extra, val; | |
1109 | ||
1110 | /* Check italic. Can't check logfonts, since it is a boolean field, | |
1111 | so there is no difference between "non-italic" and "don't care". */ | |
5f18d119 KH |
1112 | { |
1113 | int slant = FONT_SLANT_NUMERIC (spec); | |
1114 | ||
1115 | if (slant >= 0 | |
1116 | && ((slant > 150 && !font->ntmTm.tmItalic) | |
1117 | || (slant <= 150 && font->ntmTm.tmItalic))) | |
1118 | return 0; | |
1119 | } | |
d205d43b | 1120 | |
4f2a2ee2 JR |
1121 | /* Check adstyle against generic family. */ |
1122 | val = AREF (spec, FONT_ADSTYLE_INDEX); | |
1123 | if (!NILP (val)) | |
1124 | { | |
1125 | BYTE family = w32_generic_family (val); | |
1126 | if (family != FF_DONTCARE | |
1127 | && family != (font->ntmTm.tmPitchAndFamily & 0xF0)) | |
1128 | return 0; | |
1129 | } | |
1130 | ||
5f18d119 KH |
1131 | /* Check spacing */ |
1132 | val = AREF (spec, FONT_SPACING_INDEX); | |
1133 | if (INTEGERP (val)) | |
1134 | { | |
1135 | int spacing = XINT (val); | |
1136 | int proportional = (spacing < FONT_SPACING_MONO); | |
1137 | ||
1138 | if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01)) | |
1139 | || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01))) | |
1140 | return 0; | |
1141 | } | |
1142 | ||
d205d43b JR |
1143 | /* Check extra parameters. */ |
1144 | for (extra = AREF (spec, FONT_EXTRA_INDEX); | |
1145 | CONSP (extra); extra = XCDR (extra)) | |
1146 | { | |
1147 | Lisp_Object extra_entry; | |
1148 | extra_entry = XCAR (extra); | |
1149 | if (CONSP (extra_entry)) | |
1150 | { | |
1151 | Lisp_Object key = XCAR (extra_entry); | |
d205d43b | 1152 | |
5f18d119 KH |
1153 | val = XCDR (extra_entry); |
1154 | if (EQ (key, QCscript) && SYMBOLP (val)) | |
d205d43b JR |
1155 | { |
1156 | /* Only truetype fonts will have information about what | |
1157 | scripts they support. This probably means the user | |
1158 | will have to force Emacs to use raster, postscript | |
1159 | or atm fonts for non-ASCII text. */ | |
1160 | if (type & TRUETYPE_FONTTYPE) | |
1161 | { | |
1162 | Lisp_Object support | |
1163 | = font_supported_scripts (&font->ntmFontSig); | |
1164 | if (! memq_no_quit (val, support)) | |
1165 | return 0; | |
1166 | } | |
1167 | else | |
1168 | { | |
1169 | /* Return specific matches, but play it safe. Fonts | |
1170 | that cover more than their charset would suggest | |
1171 | are likely to be truetype or opentype fonts, | |
1172 | covered above. */ | |
1173 | if (EQ (val, Qlatin)) | |
1174 | { | |
1175 | /* Although every charset but symbol, thai and | |
1176 | arabic contains the basic ASCII set of latin | |
1177 | characters, Emacs expects much more. */ | |
1178 | if (font->ntmTm.tmCharSet != ANSI_CHARSET) | |
1179 | return 0; | |
1180 | } | |
1181 | else if (EQ (val, Qsymbol)) | |
1182 | { | |
1183 | if (font->ntmTm.tmCharSet != SYMBOL_CHARSET) | |
1184 | return 0; | |
1185 | } | |
1186 | else if (EQ (val, Qcyrillic)) | |
1187 | { | |
1188 | if (font->ntmTm.tmCharSet != RUSSIAN_CHARSET) | |
1189 | return 0; | |
1190 | } | |
1191 | else if (EQ (val, Qgreek)) | |
1192 | { | |
1193 | if (font->ntmTm.tmCharSet != GREEK_CHARSET) | |
1194 | return 0; | |
1195 | } | |
1196 | else if (EQ (val, Qarabic)) | |
1197 | { | |
1198 | if (font->ntmTm.tmCharSet != ARABIC_CHARSET) | |
1199 | return 0; | |
1200 | } | |
1201 | else if (EQ (val, Qhebrew)) | |
1202 | { | |
1203 | if (font->ntmTm.tmCharSet != HEBREW_CHARSET) | |
1204 | return 0; | |
1205 | } | |
1206 | else if (EQ (val, Qthai)) | |
1207 | { | |
1208 | if (font->ntmTm.tmCharSet != THAI_CHARSET) | |
1209 | return 0; | |
1210 | } | |
1211 | else if (EQ (val, Qkana)) | |
1212 | { | |
1213 | if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1214 | return 0; | |
1215 | } | |
1216 | else if (EQ (val, Qbopomofo)) | |
1217 | { | |
1218 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET) | |
1219 | return 0; | |
1220 | } | |
1221 | else if (EQ (val, Qhangul)) | |
1222 | { | |
1223 | if (font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1224 | && font->ntmTm.tmCharSet != JOHAB_CHARSET) | |
1225 | return 0; | |
1226 | } | |
1227 | else if (EQ (val, Qhan)) | |
1228 | { | |
1229 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET | |
1230 | && font->ntmTm.tmCharSet != GB2312_CHARSET | |
1231 | && font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1232 | && font->ntmTm.tmCharSet != JOHAB_CHARSET | |
1233 | && font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1234 | return 0; | |
1235 | } | |
1236 | else | |
56df6710 JR |
1237 | /* Other scripts unlikely to be handled by non-truetype |
1238 | fonts. */ | |
d205d43b JR |
1239 | return 0; |
1240 | } | |
1241 | } | |
5f18d119 | 1242 | else if (EQ (key, QClang) && SYMBOLP (val)) |
8f112d52 | 1243 | { |
4c100a01 | 1244 | /* Just handle the CJK languages here, as the lang |
8f112d52 JR |
1245 | parameter is used to select a font with appropriate |
1246 | glyphs in the cjk unified ideographs block. Other fonts | |
1247 | support for a language can be solely determined by | |
1248 | its character coverage. */ | |
1249 | if (EQ (val, Qja)) | |
1250 | { | |
4c100a01 | 1251 | if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE)) |
8f112d52 JR |
1252 | return 0; |
1253 | } | |
1254 | else if (EQ (val, Qko)) | |
1255 | { | |
4c100a01 | 1256 | if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN)) |
8f112d52 JR |
1257 | return 0; |
1258 | } | |
1259 | else if (EQ (val, Qzh)) | |
1260 | { | |
4c100a01 JR |
1261 | if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE)) |
1262 | return 0; | |
8f112d52 JR |
1263 | } |
1264 | else | |
4c100a01 JR |
1265 | /* Any other language, we don't recognize it. Only the above |
1266 | currently appear in fontset.el, so it isn't worth | |
1267 | creating a mapping table of codepages/scripts to languages | |
1268 | or opening the font to see if there are any language tags | |
1269 | in it that the W32 API does not expose. Fontset | |
8f112d52 JR |
1270 | spec should have a fallback, as some backends do |
1271 | not recognize language at all. */ | |
1272 | return 0; | |
1273 | } | |
56df6710 JR |
1274 | else if (EQ (key, QCotf) && CONSP (val)) |
1275 | { | |
1276 | /* OTF features only supported by the uniscribe backend. */ | |
1277 | if (EQ (backend, Quniscribe)) | |
1278 | { | |
1279 | if (!uniscribe_check_otf (logfont, val)) | |
1280 | return 0; | |
1281 | } | |
1282 | else | |
1283 | return 0; | |
1284 | } | |
d205d43b JR |
1285 | } |
1286 | } | |
1287 | return 1; | |
1288 | } | |
1289 | ||
c960bff8 | 1290 | static int |
b56ceb92 | 1291 | w32font_coverage_ok (FONTSIGNATURE * coverage, BYTE charset) |
c960bff8 JR |
1292 | { |
1293 | DWORD subrange1 = coverage->fsUsb[1]; | |
1294 | ||
1295 | #define SUBRANGE1_HAN_MASK 0x08000000 | |
1296 | #define SUBRANGE1_HANGEUL_MASK 0x01000000 | |
1297 | #define SUBRANGE1_JAPANESE_MASK (0x00060000 | SUBRANGE1_HAN_MASK) | |
1298 | ||
1299 | if (charset == GB2312_CHARSET || charset == CHINESEBIG5_CHARSET) | |
1300 | { | |
1301 | return (subrange1 & SUBRANGE1_HAN_MASK) == SUBRANGE1_HAN_MASK; | |
1302 | } | |
1303 | else if (charset == SHIFTJIS_CHARSET) | |
1304 | { | |
1305 | return (subrange1 & SUBRANGE1_JAPANESE_MASK) == SUBRANGE1_JAPANESE_MASK; | |
1306 | } | |
1307 | else if (charset == HANGEUL_CHARSET) | |
1308 | { | |
1309 | return (subrange1 & SUBRANGE1_HANGEUL_MASK) == SUBRANGE1_HANGEUL_MASK; | |
1310 | } | |
1311 | ||
1312 | return 1; | |
1313 | } | |
1314 | ||
b0857706 JR |
1315 | |
1316 | static int | |
b56ceb92 | 1317 | check_face_name (LOGFONT *font, char *full_name) |
b0857706 JR |
1318 | { |
1319 | char full_iname[LF_FULLFACESIZE+1]; | |
1320 | ||
1321 | /* Just check for names known to cause problems, since the full name | |
1322 | can contain expanded abbreviations, prefixed foundry, postfixed | |
1323 | style, the latter of which sometimes differs from the style indicated | |
1324 | in the shorter name (eg Lt becomes Light or even Extra Light) */ | |
1325 | ||
1326 | /* Helvetica is mapped to Arial in Windows, but if a Type-1 Helvetica is | |
1327 | installed, we run into problems with the Uniscribe backend which tries | |
1328 | to avoid non-truetype fonts, and ends up mixing the Type-1 Helvetica | |
1329 | with Arial's characteristics, since that attempt to use Truetype works | |
1330 | some places, but not others. */ | |
c285743c | 1331 | if (!xstrcasecmp (font->lfFaceName, "helvetica")) |
b0857706 JR |
1332 | { |
1333 | strncpy (full_iname, full_name, LF_FULLFACESIZE); | |
1334 | full_iname[LF_FULLFACESIZE] = 0; | |
1335 | _strlwr (full_iname); | |
c285743c | 1336 | return strstr ("helvetica", full_iname) != NULL; |
b0857706 | 1337 | } |
631ea4fb JR |
1338 | /* Same for Helv. */ |
1339 | if (!xstrcasecmp (font->lfFaceName, "helv")) | |
1340 | { | |
1341 | strncpy (full_iname, full_name, LF_FULLFACESIZE); | |
1342 | full_iname[LF_FULLFACESIZE] = 0; | |
1343 | _strlwr (full_iname); | |
1344 | return strstr ("helv", full_iname) != NULL; | |
1345 | } | |
c285743c JR |
1346 | |
1347 | /* Since Times is mapped to Times New Roman, a substring | |
1348 | match is not sufficient to filter out the bogus match. */ | |
1349 | else if (!xstrcasecmp (font->lfFaceName, "times")) | |
1350 | return xstrcasecmp (full_name, "times") == 0; | |
b0857706 JR |
1351 | |
1352 | return 1; | |
1353 | } | |
1354 | ||
1355 | ||
f7a84cb4 | 1356 | /* Callback function for EnumFontFamiliesEx. |
d205d43b JR |
1357 | * Checks if a font matches everything we are trying to check agaist, |
1358 | * and if so, adds it to a list. Both the data we are checking against | |
1359 | * and the list to which the fonts are added are passed in via the | |
1360 | * lparam argument, in the form of a font_callback_data struct. */ | |
20399669 | 1361 | static int CALLBACK |
b56ceb92 JB |
1362 | add_font_entity_to_list (ENUMLOGFONTEX *logical_font, |
1363 | NEWTEXTMETRICEX *physical_font, | |
1364 | DWORD font_type, LPARAM lParam) | |
f7a84cb4 | 1365 | { |
d205d43b JR |
1366 | struct font_callback_data *match_data |
1367 | = (struct font_callback_data *) lParam; | |
56df6710 | 1368 | Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi; |
19ae3e61 JR |
1369 | Lisp_Object entity; |
1370 | ||
1371 | int is_unicode = physical_font->ntmFontSig.fsUsb[3] | |
1372 | || physical_font->ntmFontSig.fsUsb[2] | |
1373 | || physical_font->ntmFontSig.fsUsb[1] | |
1374 | || physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff; | |
1375 | ||
1376 | /* Skip non matching fonts. */ | |
1377 | ||
1378 | /* For uniscribe backend, consider only truetype or opentype fonts | |
1379 | that have some unicode coverage. */ | |
1380 | if (match_data->opentype_only | |
1381 | && ((!physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE | |
1382 | && !(font_type & TRUETYPE_FONTTYPE)) | |
1383 | || !is_unicode)) | |
1384 | return 1; | |
1385 | ||
1386 | /* Ensure a match. */ | |
1387 | if (!logfonts_match (&logical_font->elfLogFont, &match_data->pattern) | |
1388 | || !font_matches_spec (font_type, physical_font, | |
1389 | match_data->orig_font_spec, backend, | |
1390 | &logical_font->elfLogFont) | |
1391 | || !w32font_coverage_ok (&physical_font->ntmFontSig, | |
1392 | match_data->pattern.lfCharSet)) | |
1393 | return 1; | |
f7a84cb4 | 1394 | |
19ae3e61 JR |
1395 | /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif) |
1396 | We limit this to raster fonts, because the test can catch some | |
1397 | genuine fonts (eg the full name of DejaVu Sans Mono Light is actually | |
1398 | DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will | |
1399 | therefore get through this test. Since full names can be prefixed | |
1400 | by a foundry, we accept raster fonts if the font name is found | |
1401 | anywhere within the full name. */ | |
1402 | if ((logical_font->elfLogFont.lfOutPrecision == OUT_STRING_PRECIS | |
c73abf54 JR |
1403 | && !strstr (logical_font->elfFullName, |
1404 | logical_font->elfLogFont.lfFaceName)) | |
b0857706 JR |
1405 | /* Check for well known substitutions that mess things up in the |
1406 | presence of Type-1 fonts of the same name. */ | |
631ea4fb JR |
1407 | || (!check_face_name (&logical_font->elfLogFont, |
1408 | logical_font->elfFullName))) | |
19ae3e61 JR |
1409 | return 1; |
1410 | ||
1411 | /* Make a font entity for the font. */ | |
1412 | entity = w32_enumfont_pattern_entity (match_data->frame, logical_font, | |
1413 | physical_font, font_type, | |
1414 | &match_data->pattern, | |
1415 | backend); | |
1416 | ||
1417 | if (!NILP (entity)) | |
d205d43b | 1418 | { |
19ae3e61 JR |
1419 | Lisp_Object spec_charset = AREF (match_data->orig_font_spec, |
1420 | FONT_REGISTRY_INDEX); | |
1421 | ||
1422 | /* iso10646-1 fonts must contain unicode mapping tables. */ | |
1423 | if (EQ (spec_charset, Qiso10646_1)) | |
1424 | { | |
1425 | if (!is_unicode) | |
9d32f818 | 1426 | return 1; |
19ae3e61 JR |
1427 | } |
1428 | /* unicode-bmp fonts must contain characters from the BMP. */ | |
1429 | else if (EQ (spec_charset, Qunicode_bmp)) | |
1430 | { | |
1431 | if (!physical_font->ntmFontSig.fsUsb[3] | |
1432 | && !(physical_font->ntmFontSig.fsUsb[2] & 0xFFFFFF9E) | |
1433 | && !(physical_font->ntmFontSig.fsUsb[1] & 0xE81FFFFF) | |
1434 | && !(physical_font->ntmFontSig.fsUsb[0] & 0x007F001F)) | |
1435 | return 1; | |
1436 | } | |
1437 | /* unicode-sip fonts must contain characters in unicode plane 2. | |
1438 | so look for bit 57 (surrogates) in the Unicode subranges, plus | |
1439 | the bits for CJK ranges that include those characters. */ | |
1440 | else if (EQ (spec_charset, Qunicode_sip)) | |
1441 | { | |
1442 | if (!physical_font->ntmFontSig.fsUsb[1] & 0x02000000 | |
1443 | || !physical_font->ntmFontSig.fsUsb[1] & 0x28000000) | |
1444 | return 1; | |
1445 | } | |
1446 | ||
1447 | /* This font matches. */ | |
1448 | ||
1449 | /* If registry was specified, ensure it is reported as the same. */ | |
1450 | if (!NILP (spec_charset)) | |
1451 | ASET (entity, FONT_REGISTRY_INDEX, spec_charset); | |
1452 | ||
1453 | /* Otherwise if using the uniscribe backend, report ANSI and DEFAULT | |
1454 | fonts as unicode and skip other charsets. */ | |
1455 | else if (match_data->opentype_only) | |
1456 | { | |
1457 | if (logical_font->elfLogFont.lfCharSet == ANSI_CHARSET | |
1458 | || logical_font->elfLogFont.lfCharSet == DEFAULT_CHARSET) | |
1459 | ASET (entity, FONT_REGISTRY_INDEX, Qiso10646_1); | |
1460 | else | |
1461 | return 1; | |
1462 | } | |
1463 | ||
1464 | /* Add this font to the list. */ | |
1465 | match_data->list = Fcons (entity, match_data->list); | |
d205d43b | 1466 | } |
f7a84cb4 JR |
1467 | return 1; |
1468 | } | |
1469 | ||
1470 | /* Callback function for EnumFontFamiliesEx. | |
d205d43b | 1471 | * Terminates the search once we have a match. */ |
20399669 | 1472 | static int CALLBACK |
b56ceb92 JB |
1473 | add_one_font_entity_to_list (ENUMLOGFONTEX *logical_font, |
1474 | NEWTEXTMETRICEX *physical_font, | |
1475 | DWORD font_type, LPARAM lParam) | |
f7a84cb4 | 1476 | { |
d205d43b JR |
1477 | struct font_callback_data *match_data |
1478 | = (struct font_callback_data *) lParam; | |
1479 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam); | |
1480 | ||
1481 | /* If we have a font in the list, terminate the search. */ | |
4624b6e3 | 1482 | return NILP (match_data->list); |
f7a84cb4 JR |
1483 | } |
1484 | ||
57016d37 JR |
1485 | /* Old function to convert from x to w32 charset, from w32fns.c. */ |
1486 | static LONG | |
b56ceb92 | 1487 | x_to_w32_charset (char * lpcs) |
57016d37 JR |
1488 | { |
1489 | Lisp_Object this_entry, w32_charset; | |
1490 | char *charset; | |
1491 | int len = strlen (lpcs); | |
1492 | ||
1493 | /* Support "*-#nnn" format for unknown charsets. */ | |
1494 | if (strncmp (lpcs, "*-#", 3) == 0) | |
1495 | return atoi (lpcs + 3); | |
1496 | ||
1497 | /* All Windows fonts qualify as unicode. */ | |
1498 | if (!strncmp (lpcs, "iso10646", 8)) | |
1499 | return DEFAULT_CHARSET; | |
1500 | ||
1501 | /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */ | |
1502 | charset = alloca (len + 1); | |
1503 | strcpy (charset, lpcs); | |
1504 | lpcs = strchr (charset, '*'); | |
1505 | if (lpcs) | |
1506 | *lpcs = '\0'; | |
1507 | ||
1508 | /* Look through w32-charset-info-alist for the character set. | |
1509 | Format of each entry is | |
1510 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1511 | */ | |
1512 | this_entry = Fassoc (build_string (charset), Vw32_charset_info_alist); | |
1513 | ||
1514 | if (NILP (this_entry)) | |
1515 | { | |
1516 | /* At startup, we want iso8859-1 fonts to come up properly. */ | |
1517 | if (xstrcasecmp (charset, "iso8859-1") == 0) | |
1518 | return ANSI_CHARSET; | |
1519 | else | |
1520 | return DEFAULT_CHARSET; | |
1521 | } | |
1522 | ||
1523 | w32_charset = Fcar (Fcdr (this_entry)); | |
1524 | ||
1525 | /* Translate Lisp symbol to number. */ | |
1526 | if (EQ (w32_charset, Qw32_charset_ansi)) | |
1527 | return ANSI_CHARSET; | |
1528 | if (EQ (w32_charset, Qw32_charset_symbol)) | |
1529 | return SYMBOL_CHARSET; | |
1530 | if (EQ (w32_charset, Qw32_charset_shiftjis)) | |
1531 | return SHIFTJIS_CHARSET; | |
1532 | if (EQ (w32_charset, Qw32_charset_hangeul)) | |
1533 | return HANGEUL_CHARSET; | |
1534 | if (EQ (w32_charset, Qw32_charset_chinesebig5)) | |
1535 | return CHINESEBIG5_CHARSET; | |
1536 | if (EQ (w32_charset, Qw32_charset_gb2312)) | |
1537 | return GB2312_CHARSET; | |
1538 | if (EQ (w32_charset, Qw32_charset_oem)) | |
1539 | return OEM_CHARSET; | |
1540 | if (EQ (w32_charset, Qw32_charset_johab)) | |
1541 | return JOHAB_CHARSET; | |
1542 | if (EQ (w32_charset, Qw32_charset_easteurope)) | |
1543 | return EASTEUROPE_CHARSET; | |
1544 | if (EQ (w32_charset, Qw32_charset_turkish)) | |
1545 | return TURKISH_CHARSET; | |
1546 | if (EQ (w32_charset, Qw32_charset_baltic)) | |
1547 | return BALTIC_CHARSET; | |
1548 | if (EQ (w32_charset, Qw32_charset_russian)) | |
1549 | return RUSSIAN_CHARSET; | |
1550 | if (EQ (w32_charset, Qw32_charset_arabic)) | |
1551 | return ARABIC_CHARSET; | |
1552 | if (EQ (w32_charset, Qw32_charset_greek)) | |
1553 | return GREEK_CHARSET; | |
1554 | if (EQ (w32_charset, Qw32_charset_hebrew)) | |
1555 | return HEBREW_CHARSET; | |
1556 | if (EQ (w32_charset, Qw32_charset_vietnamese)) | |
1557 | return VIETNAMESE_CHARSET; | |
1558 | if (EQ (w32_charset, Qw32_charset_thai)) | |
1559 | return THAI_CHARSET; | |
1560 | if (EQ (w32_charset, Qw32_charset_mac)) | |
1561 | return MAC_CHARSET; | |
1562 | ||
1563 | return DEFAULT_CHARSET; | |
1564 | } | |
1565 | ||
1566 | ||
f7a84cb4 | 1567 | /* Convert a Lisp font registry (symbol) to a windows charset. */ |
20399669 | 1568 | static LONG |
b56ceb92 | 1569 | registry_to_w32_charset (Lisp_Object charset) |
f7a84cb4 JR |
1570 | { |
1571 | if (EQ (charset, Qiso10646_1) || EQ (charset, Qunicode_bmp) | |
1572 | || EQ (charset, Qunicode_sip)) | |
1573 | return DEFAULT_CHARSET; /* UNICODE_CHARSET not defined in MingW32 */ | |
1574 | else if (EQ (charset, Qiso8859_1)) | |
1575 | return ANSI_CHARSET; | |
040fe918 JR |
1576 | else if (SYMBOLP (charset)) |
1577 | return x_to_w32_charset (SDATA (SYMBOL_NAME (charset))); | |
f7a84cb4 JR |
1578 | else |
1579 | return DEFAULT_CHARSET; | |
1580 | } | |
1581 | ||
57016d37 JR |
1582 | /* Old function to convert from w32 to x charset, from w32fns.c. */ |
1583 | static char * | |
b56ceb92 | 1584 | w32_to_x_charset (int fncharset, char *matching) |
57016d37 JR |
1585 | { |
1586 | static char buf[32]; | |
1587 | Lisp_Object charset_type; | |
1588 | int match_len = 0; | |
1589 | ||
1590 | if (matching) | |
1591 | { | |
1592 | /* If fully specified, accept it as it is. Otherwise use a | |
1593 | substring match. */ | |
1594 | char *wildcard = strchr (matching, '*'); | |
1595 | if (wildcard) | |
1596 | *wildcard = '\0'; | |
1597 | else if (strchr (matching, '-')) | |
1598 | return matching; | |
1599 | ||
1600 | match_len = strlen (matching); | |
1601 | } | |
1602 | ||
1603 | switch (fncharset) | |
1604 | { | |
1605 | case ANSI_CHARSET: | |
1606 | /* Handle startup case of w32-charset-info-alist not | |
1607 | being set up yet. */ | |
1608 | if (NILP (Vw32_charset_info_alist)) | |
1609 | return "iso8859-1"; | |
1610 | charset_type = Qw32_charset_ansi; | |
1611 | break; | |
1612 | case DEFAULT_CHARSET: | |
1613 | charset_type = Qw32_charset_default; | |
1614 | break; | |
1615 | case SYMBOL_CHARSET: | |
1616 | charset_type = Qw32_charset_symbol; | |
1617 | break; | |
1618 | case SHIFTJIS_CHARSET: | |
1619 | charset_type = Qw32_charset_shiftjis; | |
1620 | break; | |
1621 | case HANGEUL_CHARSET: | |
1622 | charset_type = Qw32_charset_hangeul; | |
1623 | break; | |
1624 | case GB2312_CHARSET: | |
1625 | charset_type = Qw32_charset_gb2312; | |
1626 | break; | |
1627 | case CHINESEBIG5_CHARSET: | |
1628 | charset_type = Qw32_charset_chinesebig5; | |
1629 | break; | |
1630 | case OEM_CHARSET: | |
1631 | charset_type = Qw32_charset_oem; | |
1632 | break; | |
1633 | case EASTEUROPE_CHARSET: | |
1634 | charset_type = Qw32_charset_easteurope; | |
1635 | break; | |
1636 | case TURKISH_CHARSET: | |
1637 | charset_type = Qw32_charset_turkish; | |
1638 | break; | |
1639 | case BALTIC_CHARSET: | |
1640 | charset_type = Qw32_charset_baltic; | |
1641 | break; | |
1642 | case RUSSIAN_CHARSET: | |
1643 | charset_type = Qw32_charset_russian; | |
1644 | break; | |
1645 | case ARABIC_CHARSET: | |
1646 | charset_type = Qw32_charset_arabic; | |
1647 | break; | |
1648 | case GREEK_CHARSET: | |
1649 | charset_type = Qw32_charset_greek; | |
1650 | break; | |
1651 | case HEBREW_CHARSET: | |
1652 | charset_type = Qw32_charset_hebrew; | |
1653 | break; | |
1654 | case VIETNAMESE_CHARSET: | |
1655 | charset_type = Qw32_charset_vietnamese; | |
1656 | break; | |
1657 | case THAI_CHARSET: | |
1658 | charset_type = Qw32_charset_thai; | |
1659 | break; | |
1660 | case MAC_CHARSET: | |
1661 | charset_type = Qw32_charset_mac; | |
1662 | break; | |
1663 | case JOHAB_CHARSET: | |
1664 | charset_type = Qw32_charset_johab; | |
1665 | break; | |
1666 | ||
1667 | default: | |
1668 | /* Encode numerical value of unknown charset. */ | |
1669 | sprintf (buf, "*-#%u", fncharset); | |
1670 | return buf; | |
1671 | } | |
1672 | ||
1673 | { | |
1674 | Lisp_Object rest; | |
1675 | char * best_match = NULL; | |
1676 | int matching_found = 0; | |
1677 | ||
1678 | /* Look through w32-charset-info-alist for the character set. | |
1679 | Prefer ISO codepages, and prefer lower numbers in the ISO | |
1680 | range. Only return charsets for codepages which are installed. | |
1681 | ||
1682 | Format of each entry is | |
1683 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1684 | */ | |
1685 | for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest)) | |
1686 | { | |
1687 | char * x_charset; | |
1688 | Lisp_Object w32_charset; | |
1689 | Lisp_Object codepage; | |
1690 | ||
1691 | Lisp_Object this_entry = XCAR (rest); | |
1692 | ||
1693 | /* Skip invalid entries in alist. */ | |
1694 | if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry)) | |
1695 | || !CONSP (XCDR (this_entry)) | |
1696 | || !SYMBOLP (XCAR (XCDR (this_entry)))) | |
1697 | continue; | |
1698 | ||
1699 | x_charset = SDATA (XCAR (this_entry)); | |
1700 | w32_charset = XCAR (XCDR (this_entry)); | |
1701 | codepage = XCDR (XCDR (this_entry)); | |
1702 | ||
1703 | /* Look for Same charset and a valid codepage (or non-int | |
1704 | which means ignore). */ | |
1705 | if (EQ (w32_charset, charset_type) | |
1706 | && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT | |
1707 | || IsValidCodePage (XINT (codepage)))) | |
1708 | { | |
1709 | /* If we don't have a match already, then this is the | |
1710 | best. */ | |
1711 | if (!best_match) | |
1712 | { | |
1713 | best_match = x_charset; | |
1714 | if (matching && !strnicmp (x_charset, matching, match_len)) | |
1715 | matching_found = 1; | |
1716 | } | |
1717 | /* If we already found a match for MATCHING, then | |
1718 | only consider other matches. */ | |
1719 | else if (matching_found | |
1720 | && strnicmp (x_charset, matching, match_len)) | |
1721 | continue; | |
1722 | /* If this matches what we want, and the best so far doesn't, | |
1723 | then this is better. */ | |
1724 | else if (!matching_found && matching | |
1725 | && !strnicmp (x_charset, matching, match_len)) | |
1726 | { | |
1727 | best_match = x_charset; | |
1728 | matching_found = 1; | |
1729 | } | |
1730 | /* If this is fully specified, and the best so far isn't, | |
1731 | then this is better. */ | |
1732 | else if ((!strchr (best_match, '-') && strchr (x_charset, '-')) | |
1733 | /* If this is an ISO codepage, and the best so far isn't, | |
1734 | then this is better, but only if it fully specifies the | |
1735 | encoding. */ | |
1736 | || (strnicmp (best_match, "iso", 3) != 0 | |
1737 | && strnicmp (x_charset, "iso", 3) == 0 | |
1738 | && strchr (x_charset, '-'))) | |
1739 | best_match = x_charset; | |
1740 | /* If both are ISO8859 codepages, choose the one with the | |
1741 | lowest number in the encoding field. */ | |
1742 | else if (strnicmp (best_match, "iso8859-", 8) == 0 | |
1743 | && strnicmp (x_charset, "iso8859-", 8) == 0) | |
1744 | { | |
1745 | int best_enc = atoi (best_match + 8); | |
1746 | int this_enc = atoi (x_charset + 8); | |
1747 | if (this_enc > 0 && this_enc < best_enc) | |
1748 | best_match = x_charset; | |
1749 | } | |
1750 | } | |
1751 | } | |
1752 | ||
1753 | /* If no match, encode the numeric value. */ | |
1754 | if (!best_match) | |
1755 | { | |
1756 | sprintf (buf, "*-#%u", fncharset); | |
1757 | return buf; | |
1758 | } | |
1759 | ||
1760 | strncpy (buf, best_match, 31); | |
1761 | /* If the charset is not fully specified, put -0 on the end. */ | |
1762 | if (!strchr (best_match, '-')) | |
1763 | { | |
1764 | int pos = strlen (best_match); | |
1765 | /* Charset specifiers shouldn't be very long. If it is a made | |
1766 | up one, truncating it should not do any harm since it isn't | |
1767 | recognized anyway. */ | |
1768 | if (pos > 29) | |
1769 | pos = 29; | |
1770 | strcpy (buf + pos, "-0"); | |
1771 | } | |
1772 | buf[31] = '\0'; | |
1773 | return buf; | |
1774 | } | |
1775 | } | |
1776 | ||
20399669 | 1777 | static Lisp_Object |
b56ceb92 | 1778 | w32_registry (LONG w32_charset, DWORD font_type) |
f7a84cb4 | 1779 | { |
aee986fd JR |
1780 | char *charset; |
1781 | ||
1782 | /* If charset is defaulted, charset is unicode or unknown, depending on | |
1783 | font type. */ | |
c960bff8 | 1784 | if (w32_charset == DEFAULT_CHARSET) |
aee986fd | 1785 | return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown; |
c960bff8 | 1786 | |
aee986fd | 1787 | charset = w32_to_x_charset (w32_charset, NULL); |
ed3751c8 | 1788 | return font_intern_prop (charset, strlen (charset), 1); |
f7a84cb4 JR |
1789 | } |
1790 | ||
5f18d119 | 1791 | static int |
b56ceb92 | 1792 | w32_decode_weight (int fnweight) |
5f18d119 KH |
1793 | { |
1794 | if (fnweight >= FW_HEAVY) return 210; | |
1795 | if (fnweight >= FW_EXTRABOLD) return 205; | |
1796 | if (fnweight >= FW_BOLD) return 200; | |
1797 | if (fnweight >= FW_SEMIBOLD) return 180; | |
1798 | if (fnweight >= FW_NORMAL) return 100; | |
1799 | if (fnweight >= FW_LIGHT) return 50; | |
1800 | if (fnweight >= FW_EXTRALIGHT) return 40; | |
1801 | if (fnweight > FW_THIN) return 20; | |
1802 | return 0; | |
1803 | } | |
1804 | ||
1805 | static int | |
b56ceb92 | 1806 | w32_encode_weight (int n) |
5f18d119 KH |
1807 | { |
1808 | if (n >= 210) return FW_HEAVY; | |
1809 | if (n >= 205) return FW_EXTRABOLD; | |
1810 | if (n >= 200) return FW_BOLD; | |
1811 | if (n >= 180) return FW_SEMIBOLD; | |
1812 | if (n >= 100) return FW_NORMAL; | |
1813 | if (n >= 50) return FW_LIGHT; | |
1814 | if (n >= 40) return FW_EXTRALIGHT; | |
1815 | if (n >= 20) return FW_THIN; | |
1816 | return 0; | |
1817 | } | |
1818 | ||
3ef8c1b4 JR |
1819 | /* Convert a Windows font weight into one of the weights supported |
1820 | by fontconfig (see font.c:font_parse_fcname). */ | |
1821 | static Lisp_Object | |
b56ceb92 | 1822 | w32_to_fc_weight (int n) |
3ef8c1b4 JR |
1823 | { |
1824 | if (n >= FW_EXTRABOLD) return intern ("black"); | |
1825 | if (n >= FW_BOLD) return intern ("bold"); | |
1826 | if (n >= FW_SEMIBOLD) return intern ("demibold"); | |
1827 | if (n >= FW_NORMAL) return intern ("medium"); | |
1828 | return intern ("light"); | |
1829 | } | |
1830 | ||
f7a84cb4 | 1831 | /* Fill in all the available details of LOGFONT from FONT_SPEC. */ |
20399669 | 1832 | static void |
b56ceb92 | 1833 | fill_in_logfont (FRAME_PTR f, LOGFONT *logfont, Lisp_Object font_spec) |
f7a84cb4 | 1834 | { |
d205d43b | 1835 | Lisp_Object tmp, extra; |
f7a84cb4 JR |
1836 | int dpi = FRAME_W32_DISPLAY_INFO (f)->resy; |
1837 | ||
5f18d119 KH |
1838 | tmp = AREF (font_spec, FONT_DPI_INDEX); |
1839 | if (INTEGERP (tmp)) | |
d205d43b | 1840 | { |
5f18d119 KH |
1841 | dpi = XINT (tmp); |
1842 | } | |
1843 | else if (FLOATP (tmp)) | |
1844 | { | |
1845 | dpi = (int) (XFLOAT_DATA (tmp) + 0.5); | |
d205d43b | 1846 | } |
f7a84cb4 JR |
1847 | |
1848 | /* Height */ | |
1849 | tmp = AREF (font_spec, FONT_SIZE_INDEX); | |
1850 | if (INTEGERP (tmp)) | |
040fe918 | 1851 | logfont->lfHeight = -1 * XINT (tmp); |
f7a84cb4 | 1852 | else if (FLOATP (tmp)) |
d205d43b | 1853 | logfont->lfHeight = (int) (-1.0 * dpi * XFLOAT_DATA (tmp) / 72.27 + 0.5); |
f7a84cb4 JR |
1854 | |
1855 | /* Escapement */ | |
1856 | ||
1857 | /* Orientation */ | |
1858 | ||
1859 | /* Weight */ | |
1860 | tmp = AREF (font_spec, FONT_WEIGHT_INDEX); | |
1861 | if (INTEGERP (tmp)) | |
5f18d119 | 1862 | logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec)); |
f7a84cb4 JR |
1863 | |
1864 | /* Italic */ | |
1865 | tmp = AREF (font_spec, FONT_SLANT_INDEX); | |
1866 | if (INTEGERP (tmp)) | |
1867 | { | |
5f18d119 | 1868 | int slant = FONT_SLANT_NUMERIC (font_spec); |
f7a84cb4 JR |
1869 | logfont->lfItalic = slant > 150 ? 1 : 0; |
1870 | } | |
1871 | ||
1872 | /* Underline */ | |
1873 | ||
1874 | /* Strikeout */ | |
1875 | ||
1876 | /* Charset */ | |
1877 | tmp = AREF (font_spec, FONT_REGISTRY_INDEX); | |
1878 | if (! NILP (tmp)) | |
d205d43b | 1879 | logfont->lfCharSet = registry_to_w32_charset (tmp); |
56df6710 JR |
1880 | else |
1881 | logfont->lfCharSet = DEFAULT_CHARSET; | |
f7a84cb4 JR |
1882 | |
1883 | /* Out Precision */ | |
91583281 | 1884 | |
f7a84cb4 | 1885 | /* Clip Precision */ |
91583281 JR |
1886 | |
1887 | /* Quality */ | |
040fe918 JR |
1888 | logfont->lfQuality = DEFAULT_QUALITY; |
1889 | ||
d205d43b JR |
1890 | /* Generic Family and Face Name */ |
1891 | logfont->lfPitchAndFamily = FF_DONTCARE | DEFAULT_PITCH; | |
1892 | ||
f7a84cb4 | 1893 | tmp = AREF (font_spec, FONT_FAMILY_INDEX); |
d205d43b JR |
1894 | if (! NILP (tmp)) |
1895 | { | |
1896 | logfont->lfPitchAndFamily = w32_generic_family (tmp) | DEFAULT_PITCH; | |
1897 | if ((logfont->lfPitchAndFamily & 0xF0) != FF_DONTCARE) | |
1898 | ; /* Font name was generic, don't fill in font name. */ | |
1899 | /* Font families are interned, but allow for strings also in case of | |
1900 | user input. */ | |
1901 | else if (SYMBOLP (tmp)) | |
e6df5336 JR |
1902 | strncpy (logfont->lfFaceName, |
1903 | SDATA (ENCODE_SYSTEM (SYMBOL_NAME (tmp))), LF_FACESIZE); | |
d205d43b | 1904 | } |
f7a84cb4 | 1905 | |
9e1a2995 JR |
1906 | tmp = AREF (font_spec, FONT_ADSTYLE_INDEX); |
1907 | if (!NILP (tmp)) | |
1908 | { | |
1909 | /* Override generic family. */ | |
1910 | BYTE family = w32_generic_family (tmp); | |
1911 | if (family != FF_DONTCARE) | |
1912 | logfont->lfPitchAndFamily = family | DEFAULT_PITCH; | |
1913 | } | |
1914 | ||
9c623c85 | 1915 | |
5f18d119 KH |
1916 | /* Set pitch based on the spacing property. */ |
1917 | tmp = AREF (font_spec, FONT_SPACING_INDEX); | |
1918 | if (INTEGERP (tmp)) | |
1919 | { | |
1920 | int spacing = XINT (tmp); | |
1921 | if (spacing < FONT_SPACING_MONO) | |
1922 | logfont->lfPitchAndFamily | |
1923 | = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH; | |
1924 | else | |
1925 | logfont->lfPitchAndFamily | |
1926 | = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH; | |
1927 | } | |
1928 | ||
d205d43b | 1929 | /* Process EXTRA info. */ |
5f18d119 KH |
1930 | for (extra = AREF (font_spec, FONT_EXTRA_INDEX); |
1931 | CONSP (extra); extra = XCDR (extra)) | |
d205d43b JR |
1932 | { |
1933 | tmp = XCAR (extra); | |
1934 | if (CONSP (tmp)) | |
1935 | { | |
1936 | Lisp_Object key, val; | |
1937 | key = XCAR (tmp), val = XCDR (tmp); | |
d205d43b JR |
1938 | /* Only use QCscript if charset is not provided, or is unicode |
1939 | and a single script is specified. This is rather crude, | |
1940 | and is only used to narrow down the fonts returned where | |
1941 | there is a definite match. Some scripts, such as latin, han, | |
1942 | cjk-misc match multiple lfCharSet values, so we can't pre-filter | |
1943 | them. */ | |
5f18d119 | 1944 | if (EQ (key, QCscript) |
d205d43b JR |
1945 | && logfont->lfCharSet == DEFAULT_CHARSET |
1946 | && SYMBOLP (val)) | |
1947 | { | |
1948 | if (EQ (val, Qgreek)) | |
1949 | logfont->lfCharSet = GREEK_CHARSET; | |
1950 | else if (EQ (val, Qhangul)) | |
1951 | logfont->lfCharSet = HANGUL_CHARSET; | |
1952 | else if (EQ (val, Qkana) || EQ (val, Qkanbun)) | |
1953 | logfont->lfCharSet = SHIFTJIS_CHARSET; | |
1954 | else if (EQ (val, Qbopomofo)) | |
1955 | logfont->lfCharSet = CHINESEBIG5_CHARSET; | |
1956 | /* GB 18030 supports tibetan, yi, mongolian, | |
1957 | fonts that support it should show up if we ask for | |
1958 | GB2312 fonts. */ | |
1959 | else if (EQ (val, Qtibetan) || EQ (val, Qyi) | |
1960 | || EQ (val, Qmongolian)) | |
1961 | logfont->lfCharSet = GB2312_CHARSET; | |
1962 | else if (EQ (val, Qhebrew)) | |
1963 | logfont->lfCharSet = HEBREW_CHARSET; | |
1964 | else if (EQ (val, Qarabic)) | |
1965 | logfont->lfCharSet = ARABIC_CHARSET; | |
1966 | else if (EQ (val, Qthai)) | |
1967 | logfont->lfCharSet = THAI_CHARSET; | |
d205d43b | 1968 | } |
91583281 JR |
1969 | else if (EQ (key, QCantialias) && SYMBOLP (val)) |
1970 | { | |
1971 | logfont->lfQuality = w32_antialias_type (val); | |
1972 | } | |
d205d43b JR |
1973 | } |
1974 | } | |
f7a84cb4 JR |
1975 | } |
1976 | ||
20399669 | 1977 | static void |
b56ceb92 | 1978 | list_all_matching_fonts (struct font_callback_data *match_data) |
f7a84cb4 JR |
1979 | { |
1980 | HDC dc; | |
d205d43b JR |
1981 | Lisp_Object families = w32font_list_family (match_data->frame); |
1982 | struct frame *f = XFRAME (match_data->frame); | |
f7a84cb4 JR |
1983 | |
1984 | dc = get_frame_dc (f); | |
1985 | ||
1986 | while (!NILP (families)) | |
1987 | { | |
e6df5336 JR |
1988 | /* Only fonts from the current locale are given localized names |
1989 | on Windows, so we can keep backwards compatibility with | |
1990 | Windows 9x/ME by using non-Unicode font enumeration without | |
1991 | sacrificing internationalization here. */ | |
d205d43b | 1992 | char *name; |
f7a84cb4 JR |
1993 | Lisp_Object family = CAR (families); |
1994 | families = CDR (families); | |
d205d43b JR |
1995 | if (NILP (family)) |
1996 | continue; | |
8f112d52 | 1997 | else if (SYMBOLP (family)) |
e6df5336 | 1998 | name = SDATA (ENCODE_SYSTEM (SYMBOL_NAME (family))); |
8f112d52 JR |
1999 | else |
2000 | continue; | |
d205d43b JR |
2001 | |
2002 | strncpy (match_data->pattern.lfFaceName, name, LF_FACESIZE); | |
2003 | match_data->pattern.lfFaceName[LF_FACESIZE - 1] = '\0'; | |
2004 | ||
2005 | EnumFontFamiliesEx (dc, &match_data->pattern, | |
2006 | (FONTENUMPROC) add_font_entity_to_list, | |
2007 | (LPARAM) match_data, 0); | |
f7a84cb4 JR |
2008 | } |
2009 | ||
2010 | release_frame_dc (f, dc); | |
2011 | } | |
2012 | ||
91583281 | 2013 | static Lisp_Object |
b56ceb92 | 2014 | lispy_antialias_type (BYTE type) |
91583281 JR |
2015 | { |
2016 | Lisp_Object lispy; | |
2017 | ||
2018 | switch (type) | |
2019 | { | |
2020 | case NONANTIALIASED_QUALITY: | |
2021 | lispy = Qnone; | |
2022 | break; | |
2023 | case ANTIALIASED_QUALITY: | |
2024 | lispy = Qstandard; | |
2025 | break; | |
2026 | case CLEARTYPE_QUALITY: | |
2027 | lispy = Qsubpixel; | |
2028 | break; | |
2029 | case CLEARTYPE_NATURAL_QUALITY: | |
2030 | lispy = Qnatural; | |
2031 | break; | |
2032 | default: | |
2033 | lispy = Qnil; | |
2034 | break; | |
2035 | } | |
2036 | return lispy; | |
2037 | } | |
2038 | ||
2039 | /* Convert antialiasing symbols to lfQuality */ | |
2040 | static BYTE | |
b56ceb92 | 2041 | w32_antialias_type (Lisp_Object type) |
91583281 JR |
2042 | { |
2043 | if (EQ (type, Qnone)) | |
2044 | return NONANTIALIASED_QUALITY; | |
2045 | else if (EQ (type, Qstandard)) | |
2046 | return ANTIALIASED_QUALITY; | |
2047 | else if (EQ (type, Qsubpixel)) | |
2048 | return CLEARTYPE_QUALITY; | |
2049 | else if (EQ (type, Qnatural)) | |
2050 | return CLEARTYPE_NATURAL_QUALITY; | |
2051 | else | |
2052 | return DEFAULT_QUALITY; | |
2053 | } | |
2054 | ||
d205d43b JR |
2055 | /* Return a list of all the scripts that the font supports. */ |
2056 | static Lisp_Object | |
2057 | font_supported_scripts (FONTSIGNATURE * sig) | |
f7a84cb4 | 2058 | { |
d205d43b JR |
2059 | DWORD * subranges = sig->fsUsb; |
2060 | Lisp_Object supported = Qnil; | |
2061 | ||
2062 | /* Match a single subrange. SYM is set if bit N is set in subranges. */ | |
2063 | #define SUBRANGE(n,sym) \ | |
2064 | if (subranges[(n) / 32] & (1 << ((n) % 32))) \ | |
2065 | supported = Fcons ((sym), supported) | |
2066 | ||
2067 | /* Match multiple subranges. SYM is set if any MASK bit is set in | |
2068 | subranges[0 - 3]. */ | |
2069 | #define MASK_ANY(mask0,mask1,mask2,mask3,sym) \ | |
2070 | if ((subranges[0] & (mask0)) || (subranges[1] & (mask1)) \ | |
2071 | || (subranges[2] & (mask2)) || (subranges[3] & (mask3))) \ | |
2072 | supported = Fcons ((sym), supported) | |
2073 | ||
56df6710 JR |
2074 | SUBRANGE (0, Qlatin); |
2075 | /* The following count as latin too, ASCII should be present in these fonts, | |
2076 | so don't need to mark them separately. */ | |
2077 | /* 1: Latin-1 supplement, 2: Latin Extended A, 3: Latin Extended B. */ | |
2078 | SUBRANGE (4, Qphonetic); | |
2079 | /* 5: Spacing and tone modifiers, 6: Combining Diacriticals. */ | |
d205d43b JR |
2080 | SUBRANGE (7, Qgreek); |
2081 | SUBRANGE (8, Qcoptic); | |
2082 | SUBRANGE (9, Qcyrillic); | |
2083 | SUBRANGE (10, Qarmenian); | |
2084 | SUBRANGE (11, Qhebrew); | |
174f1c74 | 2085 | /* 12: Vai. */ |
d205d43b JR |
2086 | SUBRANGE (13, Qarabic); |
2087 | SUBRANGE (14, Qnko); | |
2088 | SUBRANGE (15, Qdevanagari); | |
2089 | SUBRANGE (16, Qbengali); | |
2090 | SUBRANGE (17, Qgurmukhi); | |
2091 | SUBRANGE (18, Qgujarati); | |
2092 | SUBRANGE (19, Qoriya); | |
2093 | SUBRANGE (20, Qtamil); | |
2094 | SUBRANGE (21, Qtelugu); | |
2095 | SUBRANGE (22, Qkannada); | |
2096 | SUBRANGE (23, Qmalayalam); | |
2097 | SUBRANGE (24, Qthai); | |
2098 | SUBRANGE (25, Qlao); | |
2099 | SUBRANGE (26, Qgeorgian); | |
56df6710 JR |
2100 | SUBRANGE (27, Qbalinese); |
2101 | /* 28: Hangul Jamo. */ | |
2102 | /* 29: Latin Extended, 30: Greek Extended, 31: Punctuation. */ | |
2103 | /* 32-47: Symbols (defined below). */ | |
d205d43b | 2104 | SUBRANGE (48, Qcjk_misc); |
56df6710 JR |
2105 | /* Match either 49: katakana or 50: hiragana for kana. */ |
2106 | MASK_ANY (0, 0x00060000, 0, 0, Qkana); | |
d205d43b | 2107 | SUBRANGE (51, Qbopomofo); |
56df6710 JR |
2108 | /* 52: Compatibility Jamo */ |
2109 | SUBRANGE (53, Qphags_pa); | |
2110 | /* 54: Enclosed CJK letters and months, 55: CJK Compatibility. */ | |
d205d43b | 2111 | SUBRANGE (56, Qhangul); |
56df6710 JR |
2112 | /* 57: Surrogates. */ |
2113 | SUBRANGE (58, Qphoenician); | |
d205d43b | 2114 | SUBRANGE (59, Qhan); /* There are others, but this is the main one. */ |
56df6710 JR |
2115 | SUBRANGE (59, Qideographic_description); /* Windows lumps this in. */ |
2116 | SUBRANGE (59, Qkanbun); /* And this. */ | |
2117 | /* 60: Private use, 61: CJK strokes and compatibility. */ | |
2118 | /* 62: Alphabetic Presentation, 63: Arabic Presentation A. */ | |
2119 | /* 64: Combining half marks, 65: Vertical and CJK compatibility. */ | |
2120 | /* 66: Small forms, 67: Arabic Presentation B, 68: Half and Full width. */ | |
2121 | /* 69: Specials. */ | |
d205d43b JR |
2122 | SUBRANGE (70, Qtibetan); |
2123 | SUBRANGE (71, Qsyriac); | |
2124 | SUBRANGE (72, Qthaana); | |
2125 | SUBRANGE (73, Qsinhala); | |
2126 | SUBRANGE (74, Qmyanmar); | |
2127 | SUBRANGE (75, Qethiopic); | |
2128 | SUBRANGE (76, Qcherokee); | |
2129 | SUBRANGE (77, Qcanadian_aboriginal); | |
2130 | SUBRANGE (78, Qogham); | |
2131 | SUBRANGE (79, Qrunic); | |
2132 | SUBRANGE (80, Qkhmer); | |
2133 | SUBRANGE (81, Qmongolian); | |
2134 | SUBRANGE (82, Qbraille); | |
2135 | SUBRANGE (83, Qyi); | |
56df6710 JR |
2136 | SUBRANGE (84, Qbuhid); |
2137 | SUBRANGE (84, Qhanunoo); | |
2138 | SUBRANGE (84, Qtagalog); | |
2139 | SUBRANGE (84, Qtagbanwa); | |
2140 | SUBRANGE (85, Qold_italic); | |
2141 | SUBRANGE (86, Qgothic); | |
2142 | SUBRANGE (87, Qdeseret); | |
d205d43b JR |
2143 | SUBRANGE (88, Qbyzantine_musical_symbol); |
2144 | SUBRANGE (88, Qmusical_symbol); /* Windows doesn't distinguish these. */ | |
d205d43b | 2145 | SUBRANGE (89, Qmathematical); |
56df6710 JR |
2146 | /* 90: Private use, 91: Variation selectors, 92: Tags. */ |
2147 | SUBRANGE (93, Qlimbu); | |
2148 | SUBRANGE (94, Qtai_le); | |
2149 | /* 95: New Tai Le */ | |
2150 | SUBRANGE (90, Qbuginese); | |
2151 | SUBRANGE (97, Qglagolitic); | |
2152 | SUBRANGE (98, Qtifinagh); | |
2153 | /* 99: Yijing Hexagrams. */ | |
2154 | SUBRANGE (100, Qsyloti_nagri); | |
2155 | SUBRANGE (101, Qlinear_b); | |
2156 | /* 102: Ancient Greek Numbers. */ | |
2157 | SUBRANGE (103, Qugaritic); | |
2158 | SUBRANGE (104, Qold_persian); | |
2159 | SUBRANGE (105, Qshavian); | |
2160 | SUBRANGE (106, Qosmanya); | |
2161 | SUBRANGE (107, Qcypriot); | |
2162 | SUBRANGE (108, Qkharoshthi); | |
2163 | /* 109: Tai Xuan Jing. */ | |
2164 | SUBRANGE (110, Qcuneiform); | |
174f1c74 JR |
2165 | /* 111: Counting Rods, 112: Sundanese, 113: Lepcha, 114: Ol Chiki. */ |
2166 | /* 115: Saurashtra, 116: Kayah Li, 117: Rejang. */ | |
2167 | SUBRANGE (118, Qcham); | |
2168 | /* 119: Ancient symbols, 120: Phaistos Disc. */ | |
2169 | /* 121: Carian, Lycian, Lydian, 122: Dominos, Mah Jong tiles. */ | |
2170 | /* 123-127: Reserved. */ | |
d205d43b JR |
2171 | |
2172 | /* There isn't really a main symbol range, so include symbol if any | |
2173 | relevant range is set. */ | |
2174 | MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol); | |
2175 | ||
174f1c74 | 2176 | /* Missing: Tai Viet (U+AA80-U+AADF). */ |
d205d43b JR |
2177 | #undef SUBRANGE |
2178 | #undef MASK_ANY | |
2179 | ||
2180 | return supported; | |
f7a84cb4 JR |
2181 | } |
2182 | ||
67997c79 JR |
2183 | /* Generate a full name for a Windows font. |
2184 | The full name is in fcname format, with weight, slant and antialiasing | |
2185 | specified if they are not "normal". */ | |
2186 | static int | |
b56ceb92 JB |
2187 | w32font_full_name (LOGFONT * font, Lisp_Object font_obj, |
2188 | int pixel_size, char *name, int nbytes) | |
67997c79 | 2189 | { |
a823468b | 2190 | int len, height, outline; |
67997c79 JR |
2191 | char *p; |
2192 | Lisp_Object antialiasing, weight = Qnil; | |
2193 | ||
a823468b JR |
2194 | len = strlen (font->lfFaceName); |
2195 | ||
2196 | outline = EQ (AREF (font_obj, FONT_FOUNDRY_INDEX), Qoutline); | |
2197 | ||
2198 | /* Represent size of scalable fonts by point size. But use pixelsize for | |
2199 | raster fonts to indicate that they are exactly that size. */ | |
2200 | if (outline) | |
2201 | len += 11; /* -SIZE */ | |
2202 | else | |
6fe9826d | 2203 | len += 21; |
67997c79 JR |
2204 | |
2205 | if (font->lfItalic) | |
2206 | len += 7; /* :italic */ | |
2207 | ||
2208 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2209 | { | |
3ef8c1b4 JR |
2210 | weight = w32_to_fc_weight (font->lfWeight); |
2211 | len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */ | |
67997c79 JR |
2212 | } |
2213 | ||
2214 | antialiasing = lispy_antialias_type (font->lfQuality); | |
2215 | if (! NILP (antialiasing)) | |
2216 | len += 11 + SBYTES (SYMBOL_NAME (antialiasing)); /* :antialias=NAME */ | |
2217 | ||
2218 | /* Check that the buffer is big enough */ | |
2219 | if (len > nbytes) | |
2220 | return -1; | |
2221 | ||
2222 | p = name; | |
2223 | p += sprintf (p, "%s", font->lfFaceName); | |
2224 | ||
a823468b JR |
2225 | height = font->lfHeight ? eabs (font->lfHeight) : pixel_size; |
2226 | ||
2227 | if (height > 0) | |
2228 | { | |
2229 | if (outline) | |
2230 | { | |
2231 | float pointsize = height * 72.0 / one_w32_display_info.resy; | |
7145be81 JR |
2232 | /* Round to nearest half point. floor is used, since round is not |
2233 | supported in MS library. */ | |
2234 | pointsize = floor (pointsize * 2 + 0.5) / 2; | |
a823468b JR |
2235 | p += sprintf (p, "-%1.1f", pointsize); |
2236 | } | |
2237 | else | |
2238 | p += sprintf (p, ":pixelsize=%d", height); | |
2239 | } | |
67997c79 | 2240 | |
3ef8c1b4 JR |
2241 | if (SYMBOLP (weight) && ! NILP (weight)) |
2242 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2243 | ||
67997c79 JR |
2244 | if (font->lfItalic) |
2245 | p += sprintf (p, ":italic"); | |
2246 | ||
67997c79 JR |
2247 | if (SYMBOLP (antialiasing) && ! NILP (antialiasing)) |
2248 | p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing))); | |
2249 | ||
2250 | return (p - name); | |
2251 | } | |
f7a84cb4 | 2252 | |
6fe9826d JR |
2253 | /* Convert a logfont and point size into a fontconfig style font name. |
2254 | POINTSIZE is in tenths of points. | |
2255 | If SIZE indicates the size of buffer FCNAME, into which the font name | |
2256 | is written. If the buffer is not large enough to contain the name, | |
2257 | the function returns -1, otherwise it returns the number of bytes | |
2258 | written to FCNAME. */ | |
b56ceb92 JB |
2259 | static int |
2260 | logfont_to_fcname (LOGFONT* font, int pointsize, char *fcname, int size) | |
6fe9826d JR |
2261 | { |
2262 | int len, height; | |
2263 | char *p = fcname; | |
2264 | Lisp_Object weight = Qnil; | |
2265 | ||
2266 | len = strlen (font->lfFaceName) + 2; | |
2267 | height = pointsize / 10; | |
2268 | while (height /= 10) | |
2269 | len++; | |
2270 | ||
2271 | if (pointsize % 10) | |
2272 | len += 2; | |
2273 | ||
2274 | if (font->lfItalic) | |
2275 | len += 7; /* :italic */ | |
2276 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2277 | { | |
3ef8c1b4 JR |
2278 | weight = w32_to_fc_weight (font->lfWeight); |
2279 | len += SBYTES (SYMBOL_NAME (weight)) + 1; | |
6fe9826d JR |
2280 | } |
2281 | ||
2282 | if (len > size) | |
2283 | return -1; | |
2284 | ||
2285 | p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10); | |
2286 | if (pointsize % 10) | |
2287 | p += sprintf (p, ".%d", pointsize % 10); | |
2288 | ||
3ef8c1b4 JR |
2289 | if (SYMBOLP (weight) && !NILP (weight)) |
2290 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2291 | ||
6fe9826d JR |
2292 | if (font->lfItalic) |
2293 | p += sprintf (p, ":italic"); | |
2294 | ||
6fe9826d JR |
2295 | return (p - fcname); |
2296 | } | |
34fd2d28 | 2297 | |
9c623c85 | 2298 | static void |
b56ceb92 JB |
2299 | compute_metrics (HDC dc, struct w32font_info *w32_font, unsigned int code, |
2300 | struct w32_metric_cache *metrics) | |
34fd2d28 JR |
2301 | { |
2302 | GLYPHMETRICS gm; | |
2303 | MAT2 transform; | |
8f112d52 JR |
2304 | unsigned int options = GGO_METRICS; |
2305 | ||
2306 | if (w32_font->glyph_idx) | |
2307 | options |= GGO_GLYPH_INDEX; | |
34fd2d28 | 2308 | |
72af86bd | 2309 | memset (&transform, 0, sizeof (transform)); |
34fd2d28 JR |
2310 | transform.eM11.value = 1; |
2311 | transform.eM22.value = 1; | |
8f112d52 JR |
2312 | |
2313 | if (GetGlyphOutlineW (dc, code, options, &gm, 0, NULL, &transform) | |
2314 | != GDI_ERROR) | |
2315 | { | |
2316 | metrics->lbearing = gm.gmptGlyphOrigin.x; | |
2317 | metrics->rbearing = gm.gmptGlyphOrigin.x + gm.gmBlackBoxX; | |
2318 | metrics->width = gm.gmCellIncX; | |
2319 | metrics->status = W32METRIC_SUCCESS; | |
2320 | } | |
9c623c85 JB |
2321 | else |
2322 | metrics->status = W32METRIC_FAIL; | |
34fd2d28 JR |
2323 | } |
2324 | ||
6fe9826d JR |
2325 | DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0, |
2326 | doc: /* Read a font name using a W32 font selection dialog. | |
2327 | Return fontconfig style font string corresponding to the selection. | |
2328 | ||
2329 | If FRAME is omitted or nil, it defaults to the selected frame. | |
1ada3dab | 2330 | If EXCLUDE-PROPORTIONAL is non-nil, exclude proportional fonts |
6fe9826d | 2331 | in the font selection dialog. */) |
1ada3dab JR |
2332 | (frame, exclude_proportional) |
2333 | Lisp_Object frame, exclude_proportional; | |
6fe9826d JR |
2334 | { |
2335 | FRAME_PTR f = check_x_frame (frame); | |
2336 | CHOOSEFONT cf; | |
2337 | LOGFONT lf; | |
2338 | TEXTMETRIC tm; | |
2339 | HDC hdc; | |
2340 | HANDLE oldobj; | |
2341 | char buf[100]; | |
2342 | ||
72af86bd AS |
2343 | memset (&cf, 0, sizeof (cf)); |
2344 | memset (&lf, 0, sizeof (lf)); | |
6fe9826d JR |
2345 | |
2346 | cf.lStructSize = sizeof (cf); | |
2347 | cf.hwndOwner = FRAME_W32_WINDOW (f); | |
2348 | cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS; | |
2349 | ||
1ada3dab | 2350 | /* If exclude_proportional is non-nil, limit the selection to |
6fe9826d | 2351 | monospaced fonts. */ |
1ada3dab | 2352 | if (!NILP (exclude_proportional)) |
6fe9826d JR |
2353 | cf.Flags |= CF_FIXEDPITCHONLY; |
2354 | ||
2355 | cf.lpLogFont = &lf; | |
2356 | ||
2357 | /* Initialize as much of the font details as we can from the current | |
2358 | default font. */ | |
2359 | hdc = GetDC (FRAME_W32_WINDOW (f)); | |
c35f9821 | 2360 | oldobj = SelectObject (hdc, FONT_HANDLE (FRAME_FONT (f))); |
6fe9826d JR |
2361 | GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); |
2362 | if (GetTextMetrics (hdc, &tm)) | |
2363 | { | |
2364 | lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; | |
2365 | lf.lfWeight = tm.tmWeight; | |
2366 | lf.lfItalic = tm.tmItalic; | |
2367 | lf.lfUnderline = tm.tmUnderlined; | |
2368 | lf.lfStrikeOut = tm.tmStruckOut; | |
2369 | lf.lfCharSet = tm.tmCharSet; | |
2370 | cf.Flags |= CF_INITTOLOGFONTSTRUCT; | |
2371 | } | |
2372 | SelectObject (hdc, oldobj); | |
2373 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); | |
2374 | ||
2375 | if (!ChooseFont (&cf) | |
2376 | || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0) | |
2377 | return Qnil; | |
2378 | ||
e6df5336 | 2379 | return DECODE_SYSTEM (build_string (buf)); |
6fe9826d JR |
2380 | } |
2381 | ||
f7a84cb4 JR |
2382 | struct font_driver w32font_driver = |
2383 | { | |
8eac0c84 | 2384 | 0, /* Qgdi */ |
5f18d119 | 2385 | 0, /* case insensitive */ |
f7a84cb4 JR |
2386 | w32font_get_cache, |
2387 | w32font_list, | |
2388 | w32font_match, | |
2389 | w32font_list_family, | |
2390 | NULL, /* free_entity */ | |
2391 | w32font_open, | |
2392 | w32font_close, | |
2393 | NULL, /* prepare_face */ | |
2394 | NULL, /* done_face */ | |
2395 | w32font_has_char, | |
2396 | w32font_encode_char, | |
2397 | w32font_text_extents, | |
2398 | w32font_draw, | |
2399 | NULL, /* get_bitmap */ | |
2400 | NULL, /* free_bitmap */ | |
2401 | NULL, /* get_outline */ | |
2402 | NULL, /* free_outline */ | |
2403 | NULL, /* anchor_point */ | |
2404 | NULL, /* otf_capability */ | |
5b0c3446 JR |
2405 | NULL, /* otf_drive */ |
2406 | NULL, /* start_for_frame */ | |
2407 | NULL, /* end_for_frame */ | |
637fa988 JD |
2408 | NULL, /* shape */ |
2409 | NULL, /* check */ | |
2410 | NULL, /* get_variation_glyphs */ | |
2411 | NULL, /* filter_properties */ | |
f7a84cb4 JR |
2412 | }; |
2413 | ||
f7a84cb4 JR |
2414 | |
2415 | /* Initialize state that does not change between invocations. This is only | |
2416 | called when Emacs is dumped. */ | |
20399669 | 2417 | void |
b56ceb92 | 2418 | syms_of_w32font (void) |
f7a84cb4 | 2419 | { |
8eac0c84 | 2420 | DEFSYM (Qgdi, "gdi"); |
34fd2d28 JR |
2421 | DEFSYM (Quniscribe, "uniscribe"); |
2422 | DEFSYM (QCformat, ":format"); | |
d205d43b JR |
2423 | |
2424 | /* Generic font families. */ | |
2425 | DEFSYM (Qmonospace, "monospace"); | |
2426 | DEFSYM (Qserif, "serif"); | |
9e1a2995 | 2427 | DEFSYM (Qsansserif, "sansserif"); |
f7a84cb4 | 2428 | DEFSYM (Qscript, "script"); |
d205d43b JR |
2429 | DEFSYM (Qdecorative, "decorative"); |
2430 | /* Aliases. */ | |
9e1a2995 | 2431 | DEFSYM (Qsans_serif, "sans_serif"); |
d205d43b JR |
2432 | DEFSYM (Qsans, "sans"); |
2433 | DEFSYM (Qmono, "mono"); | |
2434 | ||
2435 | /* Fake foundries. */ | |
2436 | DEFSYM (Qraster, "raster"); | |
2437 | DEFSYM (Qoutline, "outline"); | |
f7a84cb4 | 2438 | DEFSYM (Qunknown, "unknown"); |
d205d43b | 2439 | |
91583281 JR |
2440 | /* Antialiasing. */ |
2441 | DEFSYM (Qstandard, "standard"); | |
2442 | DEFSYM (Qsubpixel, "subpixel"); | |
2443 | DEFSYM (Qnatural, "natural"); | |
d205d43b | 2444 | |
8f112d52 | 2445 | /* Languages */ |
8f112d52 JR |
2446 | DEFSYM (Qzh, "zh"); |
2447 | ||
d205d43b JR |
2448 | /* Scripts */ |
2449 | DEFSYM (Qlatin, "latin"); | |
2450 | DEFSYM (Qgreek, "greek"); | |
2451 | DEFSYM (Qcoptic, "coptic"); | |
2452 | DEFSYM (Qcyrillic, "cyrillic"); | |
2453 | DEFSYM (Qarmenian, "armenian"); | |
2454 | DEFSYM (Qhebrew, "hebrew"); | |
2455 | DEFSYM (Qarabic, "arabic"); | |
2456 | DEFSYM (Qsyriac, "syriac"); | |
2457 | DEFSYM (Qnko, "nko"); | |
2458 | DEFSYM (Qthaana, "thaana"); | |
2459 | DEFSYM (Qdevanagari, "devanagari"); | |
2460 | DEFSYM (Qbengali, "bengali"); | |
2461 | DEFSYM (Qgurmukhi, "gurmukhi"); | |
2462 | DEFSYM (Qgujarati, "gujarati"); | |
2463 | DEFSYM (Qoriya, "oriya"); | |
2464 | DEFSYM (Qtamil, "tamil"); | |
2465 | DEFSYM (Qtelugu, "telugu"); | |
2466 | DEFSYM (Qkannada, "kannada"); | |
2467 | DEFSYM (Qmalayalam, "malayalam"); | |
2468 | DEFSYM (Qsinhala, "sinhala"); | |
2469 | DEFSYM (Qthai, "thai"); | |
2470 | DEFSYM (Qlao, "lao"); | |
2471 | DEFSYM (Qtibetan, "tibetan"); | |
2472 | DEFSYM (Qmyanmar, "myanmar"); | |
2473 | DEFSYM (Qgeorgian, "georgian"); | |
2474 | DEFSYM (Qhangul, "hangul"); | |
2475 | DEFSYM (Qethiopic, "ethiopic"); | |
2476 | DEFSYM (Qcherokee, "cherokee"); | |
2477 | DEFSYM (Qcanadian_aboriginal, "canadian-aboriginal"); | |
2478 | DEFSYM (Qogham, "ogham"); | |
2479 | DEFSYM (Qrunic, "runic"); | |
2480 | DEFSYM (Qkhmer, "khmer"); | |
2481 | DEFSYM (Qmongolian, "mongolian"); | |
2482 | DEFSYM (Qsymbol, "symbol"); | |
2483 | DEFSYM (Qbraille, "braille"); | |
2484 | DEFSYM (Qhan, "han"); | |
2485 | DEFSYM (Qideographic_description, "ideographic-description"); | |
2486 | DEFSYM (Qcjk_misc, "cjk-misc"); | |
2487 | DEFSYM (Qkana, "kana"); | |
2488 | DEFSYM (Qbopomofo, "bopomofo"); | |
2489 | DEFSYM (Qkanbun, "kanbun"); | |
2490 | DEFSYM (Qyi, "yi"); | |
2491 | DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol"); | |
2492 | DEFSYM (Qmusical_symbol, "musical-symbol"); | |
2493 | DEFSYM (Qmathematical, "mathematical"); | |
174f1c74 | 2494 | DEFSYM (Qcham, "cham"); |
56df6710 JR |
2495 | DEFSYM (Qphonetic, "phonetic"); |
2496 | DEFSYM (Qbalinese, "balinese"); | |
2497 | DEFSYM (Qbuginese, "buginese"); | |
2498 | DEFSYM (Qbuhid, "buhid"); | |
2499 | DEFSYM (Qcuneiform, "cuneiform"); | |
2500 | DEFSYM (Qcypriot, "cypriot"); | |
2501 | DEFSYM (Qdeseret, "deseret"); | |
2502 | DEFSYM (Qglagolitic, "glagolitic"); | |
2503 | DEFSYM (Qgothic, "gothic"); | |
2504 | DEFSYM (Qhanunoo, "hanunoo"); | |
2505 | DEFSYM (Qkharoshthi, "kharoshthi"); | |
2506 | DEFSYM (Qlimbu, "limbu"); | |
2507 | DEFSYM (Qlinear_b, "linear_b"); | |
2508 | DEFSYM (Qold_italic, "old_italic"); | |
2509 | DEFSYM (Qold_persian, "old_persian"); | |
2510 | DEFSYM (Qosmanya, "osmanya"); | |
2511 | DEFSYM (Qphags_pa, "phags-pa"); | |
2512 | DEFSYM (Qphoenician, "phoenician"); | |
2513 | DEFSYM (Qshavian, "shavian"); | |
2514 | DEFSYM (Qsyloti_nagri, "syloti_nagri"); | |
2515 | DEFSYM (Qtagalog, "tagalog"); | |
2516 | DEFSYM (Qtagbanwa, "tagbanwa"); | |
2517 | DEFSYM (Qtai_le, "tai_le"); | |
2518 | DEFSYM (Qtifinagh, "tifinagh"); | |
2519 | DEFSYM (Qugaritic, "ugaritic"); | |
d205d43b | 2520 | |
57016d37 JR |
2521 | /* W32 font encodings. */ |
2522 | DEFVAR_LISP ("w32-charset-info-alist", | |
2523 | &Vw32_charset_info_alist, | |
2524 | doc: /* Alist linking Emacs character sets to Windows fonts and codepages. | |
2525 | Each entry should be of the form: | |
2526 | ||
2527 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)) | |
2528 | ||
2529 | where CHARSET_NAME is a string used in font names to identify the charset, | |
2530 | WINDOWS_CHARSET is a symbol that can be one of: | |
2531 | ||
2532 | w32-charset-ansi, w32-charset-default, w32-charset-symbol, | |
2533 | w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312, | |
2534 | w32-charset-chinesebig5, w32-charset-johab, w32-charset-hebrew, | |
2535 | w32-charset-arabic, w32-charset-greek, w32-charset-turkish, | |
2536 | w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope, | |
2537 | w32-charset-russian, w32-charset-mac, w32-charset-baltic, | |
2538 | or w32-charset-oem. | |
2539 | ||
2540 | CODEPAGE should be an integer specifying the codepage that should be used | |
2541 | to display the character set, t to do no translation and output as Unicode, | |
2542 | or nil to do no translation and output as 8 bit (or multibyte on far-east | |
2543 | versions of Windows) characters. */); | |
2544 | Vw32_charset_info_alist = Qnil; | |
2545 | ||
2546 | DEFSYM (Qw32_charset_ansi, "w32-charset-ansi"); | |
2547 | DEFSYM (Qw32_charset_symbol, "w32-charset-symbol"); | |
2548 | DEFSYM (Qw32_charset_default, "w32-charset-default"); | |
2549 | DEFSYM (Qw32_charset_shiftjis, "w32-charset-shiftjis"); | |
2550 | DEFSYM (Qw32_charset_hangeul, "w32-charset-hangeul"); | |
2551 | DEFSYM (Qw32_charset_chinesebig5, "w32-charset-chinesebig5"); | |
2552 | DEFSYM (Qw32_charset_gb2312, "w32-charset-gb2312"); | |
2553 | DEFSYM (Qw32_charset_oem, "w32-charset-oem"); | |
2554 | DEFSYM (Qw32_charset_johab, "w32-charset-johab"); | |
2555 | DEFSYM (Qw32_charset_easteurope, "w32-charset-easteurope"); | |
2556 | DEFSYM (Qw32_charset_turkish, "w32-charset-turkish"); | |
2557 | DEFSYM (Qw32_charset_baltic, "w32-charset-baltic"); | |
2558 | DEFSYM (Qw32_charset_russian, "w32-charset-russian"); | |
2559 | DEFSYM (Qw32_charset_arabic, "w32-charset-arabic"); | |
2560 | DEFSYM (Qw32_charset_greek, "w32-charset-greek"); | |
2561 | DEFSYM (Qw32_charset_hebrew, "w32-charset-hebrew"); | |
2562 | DEFSYM (Qw32_charset_vietnamese, "w32-charset-vietnamese"); | |
2563 | DEFSYM (Qw32_charset_thai, "w32-charset-thai"); | |
2564 | DEFSYM (Qw32_charset_mac, "w32-charset-mac"); | |
2565 | ||
6fe9826d JR |
2566 | defsubr (&Sx_select_font); |
2567 | ||
8eac0c84 | 2568 | w32font_driver.type = Qgdi; |
f7a84cb4 JR |
2569 | register_font_driver (&w32font_driver, NULL); |
2570 | } | |
6d8c85b5 MB |
2571 | |
2572 | /* arch-tag: 65b8a3cd-46aa-4c0d-a1f3-99e75b9c07ee | |
2573 | (do not change this comment) */ |