Commit | Line | Data |
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f7a84cb4 | 1 | /* Font backend for the Microsoft W32 API. |
73b0cd50 | 2 | Copyright (C) 2007-2011 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 | ||
91583281 | 57 | Lisp_Object Qgdi; |
34fd2d28 JR |
58 | Lisp_Object Quniscribe; |
59 | static Lisp_Object QCformat; | |
9e1a2995 JR |
60 | static Lisp_Object Qmonospace, Qsansserif, Qmono, Qsans, Qsans_serif; |
61 | static Lisp_Object Qserif, Qscript, Qdecorative; | |
62 | static Lisp_Object Qraster, Qoutline, Qunknown; | |
d205d43b | 63 | |
91583281 | 64 | /* antialiasing */ |
91583281 JR |
65 | extern Lisp_Object Qnone; /* reuse from w32fns.c */ |
66 | static Lisp_Object Qstandard, Qsubpixel, Qnatural; | |
67 | ||
8f112d52 | 68 | /* languages */ |
314d66f4 | 69 | static Lisp_Object Qzh; |
8f112d52 | 70 | |
d205d43b | 71 | /* scripts */ |
a11889ab | 72 | static Lisp_Object Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew; |
d205d43b JR |
73 | static Lisp_Object Qarabic, Qsyriac, Qnko, Qthaana, Qdevanagari, Qbengali; |
74 | static Lisp_Object Qgurmukhi, Qgujarati, Qoriya, Qtamil, Qtelugu; | |
75 | static Lisp_Object Qkannada, Qmalayalam, Qsinhala, Qthai, Qlao; | |
76 | static Lisp_Object Qtibetan, Qmyanmar, Qgeorgian, Qhangul, Qethiopic; | |
77 | static Lisp_Object Qcherokee, Qcanadian_aboriginal, Qogham, Qrunic; | |
78 | static Lisp_Object Qkhmer, Qmongolian, Qsymbol, Qbraille, Qhan; | |
79 | static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo; | |
80 | static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol; | |
174f1c74 | 81 | static Lisp_Object Qmusical_symbol, Qmathematical, Qcham, Qphonetic; |
56df6710 JR |
82 | /* Not defined in characters.el, but referenced in fontset.el. */ |
83 | static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot; | |
84 | static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi; | |
85 | static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya; | |
86 | static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri; | |
87 | static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic; | |
d205d43b | 88 | |
57016d37 JR |
89 | /* W32 charsets: for use in Vw32_charset_info_alist. */ |
90 | static Lisp_Object Qw32_charset_ansi, Qw32_charset_default; | |
91 | static Lisp_Object Qw32_charset_symbol, Qw32_charset_shiftjis; | |
92 | static Lisp_Object Qw32_charset_hangeul, Qw32_charset_gb2312; | |
93 | static Lisp_Object Qw32_charset_chinesebig5, Qw32_charset_oem; | |
94 | static Lisp_Object Qw32_charset_easteurope, Qw32_charset_turkish; | |
95 | static Lisp_Object Qw32_charset_baltic, Qw32_charset_russian; | |
96 | static Lisp_Object Qw32_charset_arabic, Qw32_charset_greek; | |
97 | static Lisp_Object Qw32_charset_hebrew, Qw32_charset_vietnamese; | |
98 | static Lisp_Object Qw32_charset_thai, Qw32_charset_johab, Qw32_charset_mac; | |
99 | ||
d205d43b JR |
100 | /* Font spacing symbols - defined in font.c. */ |
101 | extern Lisp_Object Qc, Qp, Qm; | |
f7a84cb4 | 102 | |
f57e2426 | 103 | static void fill_in_logfont (FRAME_PTR, LOGFONT *, Lisp_Object); |
f7a84cb4 | 104 | |
f57e2426 J |
105 | static BYTE w32_antialias_type (Lisp_Object); |
106 | static Lisp_Object lispy_antialias_type (BYTE); | |
91583281 | 107 | |
f57e2426 J |
108 | static Lisp_Object font_supported_scripts (FONTSIGNATURE *); |
109 | static int w32font_full_name (LOGFONT *, Lisp_Object, int, char *, int); | |
110 | static void compute_metrics (HDC, struct w32font_info *, unsigned int, | |
111 | struct w32_metric_cache *); | |
f7a84cb4 | 112 | |
f57e2426 | 113 | static Lisp_Object w32_registry (LONG, DWORD); |
f7a84cb4 JR |
114 | |
115 | /* EnumFontFamiliesEx callbacks. */ | |
f57e2426 J |
116 | static int CALLBACK add_font_entity_to_list (ENUMLOGFONTEX *, |
117 | NEWTEXTMETRICEX *, | |
118 | DWORD, LPARAM); | |
119 | static int CALLBACK add_one_font_entity_to_list (ENUMLOGFONTEX *, | |
f7a84cb4 | 120 | NEWTEXTMETRICEX *, |
f57e2426 J |
121 | DWORD, LPARAM); |
122 | static int CALLBACK add_font_name_to_list (ENUMLOGFONTEX *, | |
123 | NEWTEXTMETRICEX *, | |
124 | DWORD, LPARAM); | |
f7a84cb4 | 125 | |
d205d43b JR |
126 | /* struct passed in as LPARAM arg to EnumFontFamiliesEx, for keeping track |
127 | of what we really want. */ | |
128 | struct font_callback_data | |
129 | { | |
130 | /* The logfont we are matching against. EnumFontFamiliesEx only matches | |
131 | face name and charset, so we need to manually match everything else | |
132 | in the callback function. */ | |
133 | LOGFONT pattern; | |
134 | /* The original font spec or entity. */ | |
135 | Lisp_Object orig_font_spec; | |
136 | /* The frame the font is being loaded on. */ | |
137 | Lisp_Object frame; | |
138 | /* The list to add matches to. */ | |
139 | Lisp_Object list; | |
46fd1ded JR |
140 | /* Whether to match only opentype fonts. */ |
141 | int opentype_only; | |
d205d43b JR |
142 | }; |
143 | ||
144 | /* Handles the problem that EnumFontFamiliesEx will not return all | |
145 | style variations if the font name is not specified. */ | |
f57e2426 | 146 | static void list_all_matching_fonts (struct font_callback_data *); |
d205d43b | 147 | |
f7a84cb4 JR |
148 | |
149 | static int | |
b56ceb92 | 150 | memq_no_quit (Lisp_Object elt, Lisp_Object list) |
f7a84cb4 JR |
151 | { |
152 | while (CONSP (list) && ! EQ (XCAR (list), elt)) | |
153 | list = XCDR (list); | |
154 | return (CONSP (list)); | |
155 | } | |
156 | ||
e6df5336 | 157 | Lisp_Object |
b56ceb92 | 158 | intern_font_name (char * string) |
e6df5336 JR |
159 | { |
160 | Lisp_Object obarray, tem, str; | |
161 | int len; | |
162 | ||
163 | str = DECODE_SYSTEM (build_string (string)); | |
164 | len = SCHARS (str); | |
165 | ||
166 | /* The following code is copied from the function intern (in lread.c). */ | |
167 | obarray = Vobarray; | |
168 | if (!VECTORP (obarray) || XVECTOR (obarray)->size == 0) | |
169 | obarray = check_obarray (obarray); | |
170 | tem = oblookup (obarray, SDATA (str), len, len); | |
171 | if (SYMBOLP (tem)) | |
172 | return tem; | |
173 | return Fintern (str, obarray); | |
174 | } | |
175 | ||
f7a84cb4 JR |
176 | /* w32 implementation of get_cache for font backend. |
177 | Return a cache of font-entities on FRAME. The cache must be a | |
178 | cons whose cdr part is the actual cache area. */ | |
46fd1ded | 179 | Lisp_Object |
b56ceb92 | 180 | w32font_get_cache (FRAME_PTR f) |
f7a84cb4 | 181 | { |
a4c71909 | 182 | struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
f7a84cb4 JR |
183 | |
184 | return (dpyinfo->name_list_element); | |
185 | } | |
186 | ||
187 | /* w32 implementation of list for font backend. | |
188 | List fonts exactly matching with FONT_SPEC on FRAME. The value | |
189 | is a vector of font-entities. This is the sole API that | |
190 | allocates font-entities. */ | |
20399669 | 191 | static Lisp_Object |
b56ceb92 | 192 | w32font_list (Lisp_Object frame, Lisp_Object font_spec) |
f7a84cb4 | 193 | { |
07d9ba9b | 194 | Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0); |
678dca3d | 195 | FONT_ADD_LOG ("w32font-list", font_spec, fonts); |
07d9ba9b | 196 | return fonts; |
f7a84cb4 JR |
197 | } |
198 | ||
199 | /* w32 implementation of match for font backend. | |
200 | Return a font entity most closely matching with FONT_SPEC on | |
201 | FRAME. The closeness is detemined by the font backend, thus | |
202 | `face-font-selection-order' is ignored here. */ | |
20399669 | 203 | static Lisp_Object |
b56ceb92 | 204 | w32font_match (Lisp_Object frame, Lisp_Object font_spec) |
f7a84cb4 | 205 | { |
07d9ba9b | 206 | Lisp_Object entity = w32font_match_internal (frame, font_spec, 0); |
678dca3d | 207 | FONT_ADD_LOG ("w32font-match", font_spec, entity); |
07d9ba9b | 208 | return entity; |
f7a84cb4 JR |
209 | } |
210 | ||
f7a84cb4 JR |
211 | /* w32 implementation of list_family for font backend. |
212 | List available families. The value is a list of family names | |
213 | (symbols). */ | |
20399669 | 214 | static Lisp_Object |
b56ceb92 | 215 | w32font_list_family (Lisp_Object frame) |
f7a84cb4 JR |
216 | { |
217 | Lisp_Object list = Qnil; | |
218 | LOGFONT font_match_pattern; | |
219 | HDC dc; | |
220 | FRAME_PTR f = XFRAME (frame); | |
221 | ||
72af86bd | 222 | memset (&font_match_pattern, 0, sizeof (font_match_pattern)); |
56df6710 | 223 | font_match_pattern.lfCharSet = DEFAULT_CHARSET; |
f7a84cb4 JR |
224 | |
225 | dc = get_frame_dc (f); | |
226 | ||
227 | EnumFontFamiliesEx (dc, &font_match_pattern, | |
228 | (FONTENUMPROC) add_font_name_to_list, | |
229 | (LPARAM) &list, 0); | |
230 | release_frame_dc (f, dc); | |
231 | ||
232 | return list; | |
233 | } | |
234 | ||
235 | /* w32 implementation of open for font backend. | |
236 | Open a font specified by FONT_ENTITY on frame F. | |
237 | If the font is scalable, open it with PIXEL_SIZE. */ | |
5f18d119 | 238 | static Lisp_Object |
b56ceb92 | 239 | w32font_open (FRAME_PTR f, Lisp_Object font_entity, int pixel_size) |
f7a84cb4 | 240 | { |
bd187c49 JR |
241 | Lisp_Object font_object |
242 | = font_make_object (VECSIZE (struct w32font_info), | |
243 | font_entity, pixel_size); | |
244 | struct w32font_info *w32_font | |
245 | = (struct w32font_info *) XFONT_OBJECT (font_object); | |
f7a84cb4 | 246 | |
4b135503 | 247 | ASET (font_object, FONT_TYPE_INDEX, Qgdi); |
f7a84cb4 | 248 | |
5f18d119 | 249 | if (!w32font_open_internal (f, font_entity, pixel_size, font_object)) |
f7a84cb4 | 250 | { |
5f18d119 | 251 | return Qnil; |
f7a84cb4 JR |
252 | } |
253 | ||
bd187c49 JR |
254 | /* GDI backend does not use glyph indices. */ |
255 | w32_font->glyph_idx = 0; | |
256 | ||
5f18d119 | 257 | return font_object; |
f7a84cb4 JR |
258 | } |
259 | ||
260 | /* w32 implementation of close for font_backend. | |
261 | Close FONT on frame F. */ | |
46fd1ded | 262 | void |
b56ceb92 | 263 | w32font_close (FRAME_PTR f, struct font *font) |
f7a84cb4 | 264 | { |
c35f9821 | 265 | int i; |
5f18d119 | 266 | struct w32font_info *w32_font = (struct w32font_info *) font; |
c35f9821 JR |
267 | |
268 | /* Delete the GDI font object. */ | |
1b5defe6 | 269 | DeleteObject (w32_font->hfont); |
c35f9821 JR |
270 | |
271 | /* Free all the cached metrics. */ | |
272 | if (w32_font->cached_metrics) | |
273 | { | |
274 | for (i = 0; i < w32_font->n_cache_blocks; i++) | |
275 | { | |
5f445726 | 276 | xfree (w32_font->cached_metrics[i]); |
c35f9821 JR |
277 | } |
278 | xfree (w32_font->cached_metrics); | |
279 | w32_font->cached_metrics = NULL; | |
280 | } | |
f7a84cb4 JR |
281 | } |
282 | ||
283 | /* w32 implementation of has_char for font backend. | |
284 | Optional. | |
285 | If FONT_ENTITY has a glyph for character C (Unicode code point), | |
286 | return 1. If not, return 0. If a font must be opened to check | |
287 | it, return -1. */ | |
46fd1ded | 288 | int |
b56ceb92 | 289 | w32font_has_char (Lisp_Object entity, int c) |
f7a84cb4 | 290 | { |
e6eee6ae JR |
291 | /* We can't be certain about which characters a font will support until |
292 | we open it. Checking the scripts that the font supports turns out | |
293 | to not be reliable. */ | |
294 | return -1; | |
295 | ||
296 | #if 0 | |
d205d43b | 297 | Lisp_Object supported_scripts, extra, script; |
f7a84cb4 JR |
298 | DWORD mask; |
299 | ||
01dbeb0b JR |
300 | extra = AREF (entity, FONT_EXTRA_INDEX); |
301 | if (!CONSP (extra)) | |
302 | return -1; | |
303 | ||
d205d43b | 304 | supported_scripts = assq_no_quit (QCscript, extra); |
6a8082b5 JR |
305 | /* If font doesn't claim to support any scripts, then we can't be certain |
306 | until we open it. */ | |
d205d43b | 307 | if (!CONSP (supported_scripts)) |
f7a84cb4 JR |
308 | return -1; |
309 | ||
d205d43b | 310 | supported_scripts = XCDR (supported_scripts); |
f7a84cb4 | 311 | |
d205d43b | 312 | script = CHAR_TABLE_REF (Vchar_script_table, c); |
f7a84cb4 | 313 | |
6a8082b5 JR |
314 | /* If we don't know what script the character is from, then we can't be |
315 | certain until we open it. Also if the font claims support for the script | |
316 | the character is from, it may only have partial coverage, so we still | |
317 | can't be certain until we open the font. */ | |
318 | if (NILP (script) || memq_no_quit (script, supported_scripts)) | |
319 | return -1; | |
320 | ||
321 | /* Font reports what scripts it supports, and none of them are the script | |
e6eee6ae JR |
322 | the character is from. But we still can't be certain, as some fonts |
323 | will contain some/most/all of the characters in that script without | |
324 | claiming support for it. */ | |
325 | return -1; | |
326 | #endif | |
f7a84cb4 JR |
327 | } |
328 | ||
329 | /* w32 implementation of encode_char for font backend. | |
51e4f4a8 | 330 | Return a glyph code of FONT for character C (Unicode code point). |
bd187c49 JR |
331 | If FONT doesn't have such a glyph, return FONT_INVALID_CODE. |
332 | ||
333 | For speed, the gdi backend uses unicode (Emacs calls encode_char | |
334 | far too often for it to be efficient). But we still need to detect | |
335 | which characters are not supported by the font. | |
336 | */ | |
34fd2d28 | 337 | static unsigned |
b56ceb92 | 338 | w32font_encode_char (struct font *font, int c) |
f7a84cb4 | 339 | { |
bd187c49 | 340 | struct w32font_info * w32_font = (struct w32font_info *)font; |
34fd2d28 | 341 | |
bd187c49 JR |
342 | if (c < w32_font->metrics.tmFirstChar |
343 | || c > w32_font->metrics.tmLastChar) | |
344 | return FONT_INVALID_CODE; | |
34fd2d28 | 345 | else |
bd187c49 | 346 | return c; |
f7a84cb4 JR |
347 | } |
348 | ||
349 | /* w32 implementation of text_extents for font backend. | |
350 | Perform the size computation of glyphs of FONT and fillin members | |
351 | of METRICS. The glyphs are specified by their glyph codes in | |
78573c57 | 352 | CODE (length NGLYPHS). Apparently metrics can be NULL, in this |
f7a84cb4 | 353 | case just return the overall width. */ |
46fd1ded | 354 | int |
b56ceb92 JB |
355 | w32font_text_extents (struct font *font, unsigned *code, |
356 | int nglyphs, struct font_metrics *metrics) | |
f7a84cb4 JR |
357 | { |
358 | int i; | |
2a36efcf JR |
359 | HFONT old_font = NULL; |
360 | HDC dc = NULL; | |
46fd1ded | 361 | struct frame * f; |
f7a84cb4 | 362 | int total_width = 0; |
f31cf550 | 363 | WORD *wcode; |
d205d43b | 364 | SIZE size; |
f7a84cb4 | 365 | |
1b5defe6 JR |
366 | struct w32font_info *w32_font = (struct w32font_info *) font; |
367 | ||
f7a84cb4 JR |
368 | if (metrics) |
369 | { | |
72af86bd | 370 | memset (metrics, 0, sizeof (struct font_metrics)); |
388c38f9 JR |
371 | metrics->ascent = font->ascent; |
372 | metrics->descent = font->descent; | |
f7a84cb4 JR |
373 | |
374 | for (i = 0; i < nglyphs; i++) | |
375 | { | |
8f112d52 JR |
376 | struct w32_metric_cache *char_metric; |
377 | int block = *(code + i) / CACHE_BLOCKSIZE; | |
378 | int pos_in_block = *(code + i) % CACHE_BLOCKSIZE; | |
379 | ||
380 | if (block >= w32_font->n_cache_blocks) | |
381 | { | |
382 | if (!w32_font->cached_metrics) | |
383 | w32_font->cached_metrics | |
384 | = xmalloc ((block + 1) | |
9cac6313 | 385 | * sizeof (struct w32_metric_cache *)); |
8f112d52 JR |
386 | else |
387 | w32_font->cached_metrics | |
388 | = xrealloc (w32_font->cached_metrics, | |
389 | (block + 1) | |
9cac6313 | 390 | * sizeof (struct w32_metric_cache *)); |
72af86bd AS |
391 | memset (w32_font->cached_metrics + w32_font->n_cache_blocks, 0, |
392 | ((block + 1 - w32_font->n_cache_blocks) | |
393 | * sizeof (struct w32_metric_cache *))); | |
8f112d52 JR |
394 | w32_font->n_cache_blocks = block + 1; |
395 | } | |
396 | ||
397 | if (!w32_font->cached_metrics[block]) | |
398 | { | |
399 | w32_font->cached_metrics[block] | |
9cac6313 | 400 | = xmalloc (CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); |
72af86bd AS |
401 | memset (w32_font->cached_metrics[block], 0, |
402 | CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache)); | |
8f112d52 JR |
403 | } |
404 | ||
405 | char_metric = w32_font->cached_metrics[block] + pos_in_block; | |
406 | ||
407 | if (char_metric->status == W32METRIC_NO_ATTEMPT) | |
408 | { | |
409 | if (dc == NULL) | |
410 | { | |
411 | /* TODO: Frames can come and go, and their fonts | |
412 | outlive them. So we can't cache the frame in the | |
413 | font structure. Use selected_frame until the API | |
414 | is updated to pass in a frame. */ | |
415 | f = XFRAME (selected_frame); | |
9c623c85 | 416 | |
2a36efcf | 417 | dc = get_frame_dc (f); |
1b5defe6 | 418 | old_font = SelectObject (dc, w32_font->hfont); |
8f112d52 JR |
419 | } |
420 | compute_metrics (dc, w32_font, *(code + i), char_metric); | |
421 | } | |
78573c57 | 422 | |
8f112d52 JR |
423 | if (char_metric->status == W32METRIC_SUCCESS) |
424 | { | |
425 | metrics->lbearing = min (metrics->lbearing, | |
426 | metrics->width + char_metric->lbearing); | |
427 | metrics->rbearing = max (metrics->rbearing, | |
428 | metrics->width + char_metric->rbearing); | |
429 | metrics->width += char_metric->width; | |
430 | } | |
431 | else | |
432 | /* If we couldn't get metrics for a char, | |
433 | use alternative method. */ | |
434 | break; | |
435 | } | |
78573c57 JR |
436 | /* If we got through everything, return. */ |
437 | if (i == nglyphs) | |
438 | { | |
2a36efcf JR |
439 | if (dc != NULL) |
440 | { | |
441 | /* Restore state and release DC. */ | |
442 | SelectObject (dc, old_font); | |
443 | release_frame_dc (f, dc); | |
444 | } | |
78573c57 JR |
445 | |
446 | return metrics->width; | |
447 | } | |
f7a84cb4 | 448 | } |
78573c57 | 449 | |
56df6710 JR |
450 | /* For non-truetype fonts, GetGlyphOutlineW is not supported, so |
451 | fallback on other methods that will at least give some of the metric | |
452 | information. */ | |
b003e5ff | 453 | |
f31cf550 JR |
454 | /* Make array big enough to hold surrogates. */ |
455 | wcode = alloca (nglyphs * sizeof (WORD) * 2); | |
456 | for (i = 0; i < nglyphs; i++) | |
457 | { | |
458 | if (code[i] < 0x10000) | |
459 | wcode[i] = code[i]; | |
460 | else | |
461 | { | |
462 | DWORD surrogate = code[i] - 0x10000; | |
463 | ||
464 | /* High surrogate: U+D800 - U+DBFF. */ | |
465 | wcode[i++] = 0xD800 + ((surrogate >> 10) & 0x03FF); | |
466 | /* Low surrogate: U+DC00 - U+DFFF. */ | |
467 | wcode[i] = 0xDC00 + (surrogate & 0x03FF); | |
468 | /* An extra glyph. wcode is already double the size of code to | |
469 | cope with this. */ | |
470 | nglyphs++; | |
471 | } | |
472 | } | |
473 | ||
2a36efcf JR |
474 | if (dc == NULL) |
475 | { | |
8f112d52 JR |
476 | /* TODO: Frames can come and go, and their fonts outlive |
477 | them. So we can't cache the frame in the font structure. Use | |
478 | selected_frame until the API is updated to pass in a | |
479 | frame. */ | |
480 | f = XFRAME (selected_frame); | |
481 | ||
2a36efcf | 482 | dc = get_frame_dc (f); |
1b5defe6 | 483 | old_font = SelectObject (dc, w32_font->hfont); |
2a36efcf JR |
484 | } |
485 | ||
d205d43b | 486 | if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size)) |
f7a84cb4 | 487 | { |
d205d43b | 488 | total_width = size.cx; |
f7a84cb4 JR |
489 | } |
490 | ||
56df6710 JR |
491 | /* On 95/98/ME, only some unicode functions are available, so fallback |
492 | on doing a dummy draw to find the total width. */ | |
d205d43b | 493 | if (!total_width) |
f7a84cb4 JR |
494 | { |
495 | RECT rect; | |
5f18d119 | 496 | rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1; |
f7a84cb4 JR |
497 | DrawTextW (dc, wcode, nglyphs, &rect, |
498 | DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE); | |
499 | total_width = rect.right; | |
500 | } | |
d205d43b | 501 | |
56df6710 | 502 | /* Give our best estimate of the metrics, based on what we know. */ |
78573c57 JR |
503 | if (metrics) |
504 | { | |
79ca7db1 | 505 | metrics->width = total_width - w32_font->metrics.tmOverhang; |
78573c57 | 506 | metrics->lbearing = 0; |
79ca7db1 | 507 | metrics->rbearing = total_width; |
78573c57 JR |
508 | } |
509 | ||
f7a84cb4 JR |
510 | /* Restore state and release DC. */ |
511 | SelectObject (dc, old_font); | |
46fd1ded | 512 | release_frame_dc (f, dc); |
f7a84cb4 JR |
513 | |
514 | return total_width; | |
515 | } | |
516 | ||
517 | /* w32 implementation of draw for font backend. | |
518 | Optional. | |
519 | Draw glyphs between FROM and TO of S->char2b at (X Y) pixel | |
520 | position of frame F with S->FACE and S->GC. If WITH_BACKGROUND | |
521 | is nonzero, fill the background in advance. It is assured that | |
a74ddbda JR |
522 | WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars). |
523 | ||
524 | TODO: Currently this assumes that the colors and fonts are already | |
525 | set in the DC. This seems to be true now, but maybe only due to | |
526 | the old font code setting it up. It may be safer to resolve faces | |
527 | and fonts in here and set them explicitly | |
528 | */ | |
529 | ||
46fd1ded | 530 | int |
b56ceb92 JB |
531 | w32font_draw (struct glyph_string *s, int from, int to, |
532 | int x, int y, int with_background) | |
f7a84cb4 | 533 | { |
34fd2d28 | 534 | UINT options; |
f70eb806 | 535 | HRGN orig_clip = NULL; |
5f18d119 | 536 | struct w32font_info *w32font = (struct w32font_info *) s->font; |
34fd2d28 JR |
537 | |
538 | options = w32font->glyph_idx; | |
5c2c9c79 | 539 | |
5c2c9c79 JR |
540 | if (s->num_clips > 0) |
541 | { | |
542 | HRGN new_clip = CreateRectRgnIndirect (s->clip); | |
543 | ||
f70eb806 JR |
544 | /* Save clip region for later restoration. */ |
545 | orig_clip = CreateRectRgn (0, 0, 0, 0); | |
ed3751c8 | 546 | if (!GetClipRgn (s->hdc, orig_clip)) |
f70eb806 JR |
547 | { |
548 | DeleteObject (orig_clip); | |
549 | orig_clip = NULL; | |
550 | } | |
551 | ||
5c2c9c79 JR |
552 | if (s->num_clips > 1) |
553 | { | |
554 | HRGN clip2 = CreateRectRgnIndirect (s->clip + 1); | |
555 | ||
556 | CombineRgn (new_clip, new_clip, clip2, RGN_OR); | |
557 | DeleteObject (clip2); | |
558 | } | |
559 | ||
560 | SelectClipRgn (s->hdc, new_clip); | |
561 | DeleteObject (new_clip); | |
562 | } | |
f7a84cb4 | 563 | |
fb3b8017 JR |
564 | /* Using OPAQUE background mode can clear more background than expected |
565 | when Cleartype is used. Draw the background manually to avoid this. */ | |
566 | SetBkMode (s->hdc, TRANSPARENT); | |
f7a84cb4 JR |
567 | if (with_background) |
568 | { | |
1065a502 JR |
569 | HBRUSH brush; |
570 | RECT rect; | |
5f18d119 | 571 | struct font *font = s->font; |
1065a502 JR |
572 | |
573 | brush = CreateSolidBrush (s->gc->background); | |
574 | rect.left = x; | |
fb3b8017 | 575 | rect.top = y - font->ascent; |
1065a502 | 576 | rect.right = x + s->width; |
fb3b8017 | 577 | rect.bottom = y + font->descent; |
1065a502 | 578 | FillRect (s->hdc, &rect, brush); |
f2b25c0e | 579 | DeleteObject (brush); |
f7a84cb4 | 580 | } |
040fe918 | 581 | |
de63f07f KH |
582 | if (s->padding_p) |
583 | { | |
584 | int len = to - from, i; | |
585 | ||
586 | for (i = 0; i < len; i++) | |
587 | ExtTextOutW (s->hdc, x + i, y, options, NULL, | |
8501c48b | 588 | s->char2b + from + i, 1, NULL); |
de63f07f KH |
589 | } |
590 | else | |
591 | ExtTextOutW (s->hdc, x, y, options, NULL, s->char2b + from, to - from, NULL); | |
5c2c9c79 JR |
592 | |
593 | /* Restore clip region. */ | |
594 | if (s->num_clips > 0) | |
f70eb806 JR |
595 | SelectClipRgn (s->hdc, orig_clip); |
596 | ||
597 | if (orig_clip) | |
598 | DeleteObject (orig_clip); | |
f7a84cb4 JR |
599 | } |
600 | ||
601 | /* w32 implementation of free_entity for font backend. | |
602 | Optional (if FONT_EXTRA_INDEX is not Lisp_Save_Value). | |
603 | Free FONT_EXTRA_INDEX field of FONT_ENTITY. | |
20399669 JR |
604 | static void |
605 | w32font_free_entity (Lisp_Object entity); | |
f7a84cb4 JR |
606 | */ |
607 | ||
608 | /* w32 implementation of prepare_face for font backend. | |
609 | Optional (if FACE->extra is not used). | |
610 | Prepare FACE for displaying characters by FONT on frame F by | |
611 | storing some data in FACE->extra. If successful, return 0. | |
612 | Otherwise, return -1. | |
20399669 JR |
613 | static int |
614 | w32font_prepare_face (FRAME_PTR f, struct face *face); | |
f7a84cb4 JR |
615 | */ |
616 | /* w32 implementation of done_face for font backend. | |
617 | Optional. | |
618 | Done FACE for displaying characters by FACE->font on frame F. | |
20399669 JR |
619 | static void |
620 | w32font_done_face (FRAME_PTR f, struct face *face); */ | |
f7a84cb4 JR |
621 | |
622 | /* w32 implementation of get_bitmap for font backend. | |
623 | Optional. | |
624 | Store bitmap data for glyph-code CODE of FONT in BITMAP. It is | |
f2b25c0e | 625 | intended that this method is called from the other font-driver |
f7a84cb4 | 626 | for actual drawing. |
20399669 JR |
627 | static int |
628 | w32font_get_bitmap (struct font *font, unsigned code, | |
629 | struct font_bitmap *bitmap, int bits_per_pixel); | |
f7a84cb4 JR |
630 | */ |
631 | /* w32 implementation of free_bitmap for font backend. | |
632 | Optional. | |
633 | Free bitmap data in BITMAP. | |
20399669 JR |
634 | static void |
635 | w32font_free_bitmap (struct font *font, struct font_bitmap *bitmap); | |
f7a84cb4 JR |
636 | */ |
637 | /* w32 implementation of get_outline for font backend. | |
638 | Optional. | |
639 | Return an outline data for glyph-code CODE of FONT. The format | |
640 | of the outline data depends on the font-driver. | |
20399669 JR |
641 | static void * |
642 | w32font_get_outline (struct font *font, unsigned code); | |
f7a84cb4 JR |
643 | */ |
644 | /* w32 implementation of free_outline for font backend. | |
645 | Optional. | |
646 | Free OUTLINE (that is obtained by the above method). | |
20399669 JR |
647 | static void |
648 | w32font_free_outline (struct font *font, void *outline); | |
f7a84cb4 JR |
649 | */ |
650 | /* w32 implementation of anchor_point for font backend. | |
651 | Optional. | |
652 | Get coordinates of the INDEXth anchor point of the glyph whose | |
653 | code is CODE. Store the coordinates in *X and *Y. Return 0 if | |
654 | the operations was successfull. Otherwise return -1. | |
20399669 JR |
655 | static int |
656 | w32font_anchor_point (struct font *font, unsigned code, | |
f7a84cb4 JR |
657 | int index, int *x, int *y); |
658 | */ | |
659 | /* w32 implementation of otf_capability for font backend. | |
660 | Optional. | |
661 | Return a list describing which scripts/languages FONT | |
662 | supports by which GSUB/GPOS features of OpenType tables. | |
20399669 JR |
663 | static Lisp_Object |
664 | w32font_otf_capability (struct font *font); | |
f7a84cb4 JR |
665 | */ |
666 | /* w32 implementation of otf_drive for font backend. | |
667 | Optional. | |
668 | Apply FONT's OTF-FEATURES to the glyph string. | |
669 | ||
670 | FEATURES specifies which OTF features to apply in this format: | |
671 | (SCRIPT LANGSYS GSUB-FEATURE GPOS-FEATURE) | |
672 | See the documentation of `font-drive-otf' for the detail. | |
673 | ||
674 | This method applies the specified features to the codes in the | |
675 | elements of GSTRING-IN (between FROMth and TOth). The output | |
676 | codes are stored in GSTRING-OUT at the IDXth element and the | |
677 | following elements. | |
678 | ||
679 | Return the number of output codes. If none of the features are | |
680 | applicable to the input data, return 0. If GSTRING-OUT is too | |
681 | short, return -1. | |
20399669 JR |
682 | static int |
683 | w32font_otf_drive (struct font *font, Lisp_Object features, | |
684 | Lisp_Object gstring_in, int from, int to, | |
685 | Lisp_Object gstring_out, int idx, | |
686 | int alternate_subst); | |
f7a84cb4 JR |
687 | */ |
688 | ||
46fd1ded JR |
689 | /* Internal implementation of w32font_list. |
690 | Additional parameter opentype_only restricts the returned fonts to | |
691 | opentype fonts, which can be used with the Uniscribe backend. */ | |
692 | Lisp_Object | |
b56ceb92 | 693 | w32font_list_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only) |
46fd1ded JR |
694 | { |
695 | struct font_callback_data match_data; | |
696 | HDC dc; | |
697 | FRAME_PTR f = XFRAME (frame); | |
698 | ||
699 | match_data.orig_font_spec = font_spec; | |
700 | match_data.list = Qnil; | |
701 | match_data.frame = frame; | |
702 | ||
72af86bd | 703 | memset (&match_data.pattern, 0, sizeof (LOGFONT)); |
46fd1ded JR |
704 | fill_in_logfont (f, &match_data.pattern, font_spec); |
705 | ||
19ae3e61 JR |
706 | /* If the charset is unrecognized, then we won't find a font, so don't |
707 | waste time looking for one. */ | |
708 | if (match_data.pattern.lfCharSet == DEFAULT_CHARSET) | |
709 | { | |
710 | Lisp_Object spec_charset = AREF (font_spec, FONT_REGISTRY_INDEX); | |
711 | if (!NILP (spec_charset) | |
712 | && !EQ (spec_charset, Qiso10646_1) | |
713 | && !EQ (spec_charset, Qunicode_bmp) | |
714 | && !EQ (spec_charset, Qunicode_sip) | |
715 | && !EQ (spec_charset, Qunknown)) | |
716 | return Qnil; | |
717 | } | |
718 | ||
46fd1ded JR |
719 | match_data.opentype_only = opentype_only; |
720 | if (opentype_only) | |
721 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
722 | ||
723 | if (match_data.pattern.lfFaceName[0] == '\0') | |
724 | { | |
725 | /* EnumFontFamiliesEx does not take other fields into account if | |
726 | font name is blank, so need to use two passes. */ | |
727 | list_all_matching_fonts (&match_data); | |
728 | } | |
729 | else | |
730 | { | |
731 | dc = get_frame_dc (f); | |
732 | ||
733 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
734 | (FONTENUMPROC) add_font_entity_to_list, | |
735 | (LPARAM) &match_data, 0); | |
736 | release_frame_dc (f, dc); | |
737 | } | |
738 | ||
19ae3e61 | 739 | return match_data.list; |
46fd1ded JR |
740 | } |
741 | ||
742 | /* Internal implementation of w32font_match. | |
743 | Additional parameter opentype_only restricts the returned fonts to | |
744 | opentype fonts, which can be used with the Uniscribe backend. */ | |
745 | Lisp_Object | |
b56ceb92 | 746 | w32font_match_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only) |
46fd1ded JR |
747 | { |
748 | struct font_callback_data match_data; | |
749 | HDC dc; | |
750 | FRAME_PTR f = XFRAME (frame); | |
751 | ||
752 | match_data.orig_font_spec = font_spec; | |
753 | match_data.frame = frame; | |
754 | match_data.list = Qnil; | |
755 | ||
72af86bd | 756 | memset (&match_data.pattern, 0, sizeof (LOGFONT)); |
46fd1ded JR |
757 | fill_in_logfont (f, &match_data.pattern, font_spec); |
758 | ||
759 | match_data.opentype_only = opentype_only; | |
760 | if (opentype_only) | |
761 | match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS; | |
762 | ||
763 | dc = get_frame_dc (f); | |
764 | ||
765 | EnumFontFamiliesEx (dc, &match_data.pattern, | |
766 | (FONTENUMPROC) add_one_font_entity_to_list, | |
767 | (LPARAM) &match_data, 0); | |
768 | release_frame_dc (f, dc); | |
769 | ||
770 | return NILP (match_data.list) ? Qnil : XCAR (match_data.list); | |
771 | } | |
772 | ||
f0121ad2 | 773 | int |
b56ceb92 JB |
774 | w32font_open_internal (FRAME_PTR f, Lisp_Object font_entity, |
775 | int pixel_size, Lisp_Object font_object) | |
f0121ad2 | 776 | { |
5f18d119 | 777 | int len, size, i; |
f0121ad2 JR |
778 | LOGFONT logfont; |
779 | HDC dc; | |
780 | HFONT hfont, old_font; | |
781 | Lisp_Object val, extra; | |
5f18d119 KH |
782 | struct w32font_info *w32_font; |
783 | struct font * font; | |
bd187c49 | 784 | OUTLINETEXTMETRICW* metrics = NULL; |
5f18d119 KH |
785 | |
786 | w32_font = (struct w32font_info *) XFONT_OBJECT (font_object); | |
787 | font = (struct font *) w32_font; | |
f0121ad2 | 788 | |
f0121ad2 JR |
789 | if (!font) |
790 | return 0; | |
791 | ||
72af86bd | 792 | memset (&logfont, 0, sizeof (logfont)); |
f0121ad2 JR |
793 | fill_in_logfont (f, &logfont, font_entity); |
794 | ||
1519d52e JR |
795 | /* Prefer truetype fonts, to avoid known problems with type1 fonts, and |
796 | limitations in bitmap fonts. */ | |
797 | val = AREF (font_entity, FONT_FOUNDRY_INDEX); | |
798 | if (!EQ (val, Qraster)) | |
799 | logfont.lfOutPrecision = OUT_TT_PRECIS; | |
800 | ||
f0121ad2 JR |
801 | size = XINT (AREF (font_entity, FONT_SIZE_INDEX)); |
802 | if (!size) | |
803 | size = pixel_size; | |
804 | ||
805 | logfont.lfHeight = -size; | |
806 | hfont = CreateFontIndirect (&logfont); | |
807 | ||
808 | if (hfont == NULL) | |
809 | return 0; | |
810 | ||
f0121ad2 JR |
811 | /* Get the metrics for this font. */ |
812 | dc = get_frame_dc (f); | |
813 | old_font = SelectObject (dc, hfont); | |
814 | ||
5f18d119 | 815 | /* Try getting the outline metrics (only works for truetype fonts). */ |
bd187c49 | 816 | len = GetOutlineTextMetricsW (dc, 0, NULL); |
5f18d119 KH |
817 | if (len) |
818 | { | |
bd187c49 JR |
819 | metrics = (OUTLINETEXTMETRICW *) alloca (len); |
820 | if (GetOutlineTextMetricsW (dc, len, metrics)) | |
72af86bd AS |
821 | memcpy (&w32_font->metrics, &metrics->otmTextMetrics, |
822 | sizeof (TEXTMETRICW)); | |
5f18d119 KH |
823 | else |
824 | metrics = NULL; | |
825 | } | |
f0121ad2 | 826 | |
943f2093 | 827 | if (!metrics) |
b0857706 | 828 | GetTextMetricsW (dc, &w32_font->metrics); |
b003e5ff | 829 | |
8f112d52 JR |
830 | w32_font->cached_metrics = NULL; |
831 | w32_font->n_cache_blocks = 0; | |
54efdcd1 | 832 | |
f0121ad2 JR |
833 | SelectObject (dc, old_font); |
834 | release_frame_dc (f, dc); | |
34fd2d28 | 835 | |
1b5defe6 | 836 | w32_font->hfont = hfont; |
f0121ad2 | 837 | |
5ace1ec1 JR |
838 | { |
839 | char *name; | |
840 | ||
841 | /* We don't know how much space we need for the full name, so start with | |
842 | 96 bytes and go up in steps of 32. */ | |
843 | len = 96; | |
c35f9821 | 844 | name = alloca (len); |
67997c79 JR |
845 | while (name && w32font_full_name (&logfont, font_entity, pixel_size, |
846 | name, len) < 0) | |
5ace1ec1 | 847 | { |
c35f9821 JR |
848 | len += 32; |
849 | name = alloca (len); | |
5ace1ec1 JR |
850 | } |
851 | if (name) | |
5f18d119 | 852 | font->props[FONT_FULLNAME_INDEX] |
e6df5336 | 853 | = DECODE_SYSTEM (build_string (name)); |
5ace1ec1 | 854 | else |
e6df5336 JR |
855 | font->props[FONT_FULLNAME_INDEX] |
856 | = DECODE_SYSTEM (build_string (logfont.lfFaceName)); | |
5ace1ec1 | 857 | } |
5f18d119 KH |
858 | |
859 | font->max_width = w32_font->metrics.tmMaxCharWidth; | |
b003e5ff | 860 | /* Parts of Emacs display assume that height = ascent + descent... |
9196133b | 861 | so height is defined later, after ascent and descent. |
5f18d119 | 862 | font->height = w32_font->metrics.tmHeight |
f0121ad2 | 863 | + w32_font->metrics.tmExternalLeading; |
9196133b JR |
864 | */ |
865 | ||
5f18d119 KH |
866 | font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth; |
867 | ||
868 | font->vertical_centering = 0; | |
869 | font->encoding_type = 0; | |
870 | font->baseline_offset = 0; | |
871 | font->relative_compose = 0; | |
872 | font->default_ascent = w32_font->metrics.tmAscent; | |
873 | font->font_encoder = NULL; | |
f0121ad2 JR |
874 | font->pixel_size = size; |
875 | font->driver = &w32font_driver; | |
34fd2d28 JR |
876 | /* Use format cached during list, as the information we have access to |
877 | here is incomplete. */ | |
878 | extra = AREF (font_entity, FONT_EXTRA_INDEX); | |
879 | if (CONSP (extra)) | |
880 | { | |
881 | val = assq_no_quit (QCformat, extra); | |
882 | if (CONSP (val)) | |
5f18d119 | 883 | font->props[FONT_FORMAT_INDEX] = XCDR (val); |
34fd2d28 | 884 | else |
5f18d119 | 885 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 JR |
886 | } |
887 | else | |
5f18d119 | 888 | font->props[FONT_FORMAT_INDEX] = Qunknown; |
34fd2d28 | 889 | |
5f18d119 | 890 | font->props[FONT_FILE_INDEX] = Qnil; |
f0121ad2 JR |
891 | font->encoding_charset = -1; |
892 | font->repertory_charset = -1; | |
04b65d2b | 893 | /* TODO: do we really want the minimum width here, which could be negative? */ |
5f18d119 | 894 | font->min_width = font->space_width; |
f0121ad2 JR |
895 | font->ascent = w32_font->metrics.tmAscent; |
896 | font->descent = w32_font->metrics.tmDescent; | |
9196133b | 897 | font->height = font->ascent + font->descent; |
5f18d119 KH |
898 | |
899 | if (metrics) | |
900 | { | |
901 | font->underline_thickness = metrics->otmsUnderscoreSize; | |
902 | font->underline_position = -metrics->otmsUnderscorePosition; | |
903 | } | |
904 | else | |
905 | { | |
906 | font->underline_thickness = 0; | |
907 | font->underline_position = -1; | |
908 | } | |
f0121ad2 | 909 | |
5f18d119 KH |
910 | /* For temporary compatibility with legacy code that expects the |
911 | name to be usable in x-list-fonts. Eventually we expect to change | |
912 | x-list-fonts and other places that use fonts so that this can be | |
913 | an fcname or similar. */ | |
a30e1957 | 914 | font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil); |
04b65d2b | 915 | |
f0121ad2 JR |
916 | return 1; |
917 | } | |
918 | ||
f7a84cb4 JR |
919 | /* Callback function for EnumFontFamiliesEx. |
920 | * Adds the name of a font to a Lisp list (passed in as the lParam arg). */ | |
20399669 | 921 | static int CALLBACK |
b56ceb92 JB |
922 | add_font_name_to_list (ENUMLOGFONTEX *logical_font, |
923 | NEWTEXTMETRICEX *physical_font, | |
924 | DWORD font_type, LPARAM list_object) | |
f7a84cb4 JR |
925 | { |
926 | Lisp_Object* list = (Lisp_Object *) list_object; | |
20a2b756 JR |
927 | Lisp_Object family; |
928 | ||
929 | /* Skip vertical fonts (intended only for printing) */ | |
930 | if (logical_font->elfLogFont.lfFaceName[0] == '@') | |
931 | return 1; | |
932 | ||
e6df5336 | 933 | family = intern_font_name (logical_font->elfLogFont.lfFaceName); |
f7a84cb4 JR |
934 | if (! memq_no_quit (family, *list)) |
935 | *list = Fcons (family, *list); | |
936 | ||
937 | return 1; | |
938 | } | |
939 | ||
f57e2426 J |
940 | static int w32_decode_weight (int); |
941 | static int w32_encode_weight (int); | |
5f18d119 | 942 | |
f7a84cb4 | 943 | /* Convert an enumerated Windows font to an Emacs font entity. */ |
20399669 | 944 | static Lisp_Object |
b56ceb92 JB |
945 | w32_enumfont_pattern_entity (Lisp_Object frame, |
946 | ENUMLOGFONTEX *logical_font, | |
947 | NEWTEXTMETRICEX *physical_font, | |
948 | DWORD font_type, | |
949 | LOGFONT *requested_font, | |
950 | Lisp_Object backend) | |
f7a84cb4 JR |
951 | { |
952 | Lisp_Object entity, tem; | |
953 | LOGFONT *lf = (LOGFONT*) logical_font; | |
954 | BYTE generic_type; | |
56df6710 | 955 | DWORD full_type = physical_font->ntmTm.ntmFlags; |
f7a84cb4 | 956 | |
5f18d119 | 957 | entity = font_make_entity (); |
f7a84cb4 | 958 | |
34fd2d28 | 959 | ASET (entity, FONT_TYPE_INDEX, backend); |
c960bff8 | 960 | ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type)); |
f7a84cb4 JR |
961 | ASET (entity, FONT_OBJLIST_INDEX, Qnil); |
962 | ||
963 | /* Foundry is difficult to get in readable form on Windows. | |
d205d43b | 964 | But Emacs crashes if it is not set, so set it to something more |
9c623c85 | 965 | generic. These values make xlfds compatible with Emacs 22. */ |
d205d43b JR |
966 | if (lf->lfOutPrecision == OUT_STRING_PRECIS) |
967 | tem = Qraster; | |
968 | else if (lf->lfOutPrecision == OUT_STROKE_PRECIS) | |
969 | tem = Qoutline; | |
970 | else | |
971 | tem = Qunknown; | |
972 | ||
973 | ASET (entity, FONT_FOUNDRY_INDEX, tem); | |
974 | ||
975 | /* Save the generic family in the extra info, as it is likely to be | |
976 | useful to users looking for a close match. */ | |
f7a84cb4 JR |
977 | generic_type = physical_font->ntmTm.tmPitchAndFamily & 0xF0; |
978 | if (generic_type == FF_DECORATIVE) | |
979 | tem = Qdecorative; | |
980 | else if (generic_type == FF_MODERN) | |
9e1a2995 | 981 | tem = Qmono; |
f7a84cb4 | 982 | else if (generic_type == FF_ROMAN) |
d205d43b | 983 | tem = Qserif; |
f7a84cb4 JR |
984 | else if (generic_type == FF_SCRIPT) |
985 | tem = Qscript; | |
986 | else if (generic_type == FF_SWISS) | |
9e1a2995 | 987 | tem = Qsans; |
f7a84cb4 | 988 | else |
5f18d119 | 989 | tem = Qnil; |
9e1a2995 JR |
990 | |
991 | ASET (entity, FONT_ADSTYLE_INDEX, tem); | |
f7a84cb4 | 992 | |
d205d43b | 993 | if (physical_font->ntmTm.tmPitchAndFamily & 0x01) |
5f18d119 | 994 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL)); |
d205d43b | 995 | else |
ed18e612 | 996 | ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL)); |
f7a84cb4 | 997 | |
91583281 JR |
998 | if (requested_font->lfQuality != DEFAULT_QUALITY) |
999 | { | |
1000 | font_put_extra (entity, QCantialias, | |
1001 | lispy_antialias_type (requested_font->lfQuality)); | |
1002 | } | |
f7a84cb4 | 1003 | ASET (entity, FONT_FAMILY_INDEX, |
e6df5336 | 1004 | intern_font_name (lf->lfFaceName)); |
f7a84cb4 | 1005 | |
5f18d119 KH |
1006 | FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX, |
1007 | make_number (w32_decode_weight (lf->lfWeight))); | |
1008 | FONT_SET_STYLE (entity, FONT_SLANT_INDEX, | |
1009 | make_number (lf->lfItalic ? 200 : 100)); | |
d205d43b JR |
1010 | /* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics |
1011 | to get it. */ | |
5f18d119 | 1012 | FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100)); |
f7a84cb4 | 1013 | |
040fe918 | 1014 | if (font_type & RASTER_FONTTYPE) |
597634cb JR |
1015 | ASET (entity, FONT_SIZE_INDEX, |
1016 | make_number (physical_font->ntmTm.tmHeight | |
1017 | + physical_font->ntmTm.tmExternalLeading)); | |
040fe918 JR |
1018 | else |
1019 | ASET (entity, FONT_SIZE_INDEX, make_number (0)); | |
f7a84cb4 JR |
1020 | |
1021 | /* Cache unicode codepoints covered by this font, as there is no other way | |
1022 | of getting this information easily. */ | |
040fe918 | 1023 | if (font_type & TRUETYPE_FONTTYPE) |
f7a84cb4 | 1024 | { |
aee986fd JR |
1025 | tem = font_supported_scripts (&physical_font->ntmFontSig); |
1026 | if (!NILP (tem)) | |
1027 | font_put_extra (entity, QCscript, tem); | |
f7a84cb4 | 1028 | } |
d205d43b | 1029 | |
34fd2d28 JR |
1030 | /* This information is not fully available when opening fonts, so |
1031 | save it here. Only Windows 2000 and later return information | |
1032 | about opentype and type1 fonts, so need a fallback for detecting | |
1033 | truetype so that this information is not any worse than we could | |
1034 | have obtained later. */ | |
56df6710 JR |
1035 | if (EQ (backend, Quniscribe) && (full_type & NTMFLAGS_OPENTYPE)) |
1036 | tem = intern ("opentype"); | |
1037 | else if (font_type & TRUETYPE_FONTTYPE) | |
34fd2d28 | 1038 | tem = intern ("truetype"); |
34fd2d28 JR |
1039 | else if (full_type & NTM_PS_OPENTYPE) |
1040 | tem = intern ("postscript"); | |
56df6710 JR |
1041 | else if (full_type & NTM_TYPE1) |
1042 | tem = intern ("type1"); | |
34fd2d28 JR |
1043 | else if (font_type & RASTER_FONTTYPE) |
1044 | tem = intern ("w32bitmap"); | |
1045 | else | |
1046 | tem = intern ("w32vector"); | |
1047 | ||
1048 | font_put_extra (entity, QCformat, tem); | |
1049 | ||
f7a84cb4 JR |
1050 | return entity; |
1051 | } | |
1052 | ||
d205d43b JR |
1053 | |
1054 | /* Convert generic families to the family portion of lfPitchAndFamily. */ | |
24f981c9 | 1055 | static BYTE |
d205d43b JR |
1056 | w32_generic_family (Lisp_Object name) |
1057 | { | |
1058 | /* Generic families. */ | |
1059 | if (EQ (name, Qmonospace) || EQ (name, Qmono)) | |
1060 | return FF_MODERN; | |
9e1a2995 | 1061 | else if (EQ (name, Qsans) || EQ (name, Qsans_serif) || EQ (name, Qsansserif)) |
d205d43b JR |
1062 | return FF_SWISS; |
1063 | else if (EQ (name, Qserif)) | |
1064 | return FF_ROMAN; | |
1065 | else if (EQ (name, Qdecorative)) | |
1066 | return FF_DECORATIVE; | |
1067 | else if (EQ (name, Qscript)) | |
1068 | return FF_SCRIPT; | |
1069 | else | |
1070 | return FF_DONTCARE; | |
1071 | } | |
1072 | ||
1073 | static int | |
b56ceb92 | 1074 | logfonts_match (LOGFONT *font, LOGFONT *pattern) |
d205d43b JR |
1075 | { |
1076 | /* Only check height for raster fonts. */ | |
1077 | if (pattern->lfHeight && font->lfOutPrecision == OUT_STRING_PRECIS | |
1078 | && font->lfHeight != pattern->lfHeight) | |
1079 | return 0; | |
1080 | ||
1081 | /* Have some flexibility with weights. */ | |
1082 | if (pattern->lfWeight | |
1083 | && ((font->lfWeight < (pattern->lfWeight - 150)) | |
1084 | || font->lfWeight > (pattern->lfWeight + 150))) | |
1085 | return 0; | |
1086 | ||
1087 | /* Charset and face should be OK. Italic has to be checked | |
1088 | against the original spec, in case we don't have any preference. */ | |
1089 | return 1; | |
1090 | } | |
1091 | ||
4c100a01 JR |
1092 | /* Codepage Bitfields in FONTSIGNATURE struct. */ |
1093 | #define CSB_JAPANESE (1 << 17) | |
1094 | #define CSB_KOREAN ((1 << 19) | (1 << 21)) | |
1095 | #define CSB_CHINESE ((1 << 18) | (1 << 20)) | |
1096 | ||
d205d43b | 1097 | static int |
b56ceb92 JB |
1098 | font_matches_spec (DWORD type, NEWTEXTMETRICEX *font, |
1099 | Lisp_Object spec, Lisp_Object backend, | |
1100 | LOGFONT *logfont) | |
d205d43b JR |
1101 | { |
1102 | Lisp_Object extra, val; | |
1103 | ||
1104 | /* Check italic. Can't check logfonts, since it is a boolean field, | |
1105 | so there is no difference between "non-italic" and "don't care". */ | |
5f18d119 KH |
1106 | { |
1107 | int slant = FONT_SLANT_NUMERIC (spec); | |
1108 | ||
1109 | if (slant >= 0 | |
1110 | && ((slant > 150 && !font->ntmTm.tmItalic) | |
1111 | || (slant <= 150 && font->ntmTm.tmItalic))) | |
1112 | return 0; | |
1113 | } | |
d205d43b | 1114 | |
4f2a2ee2 JR |
1115 | /* Check adstyle against generic family. */ |
1116 | val = AREF (spec, FONT_ADSTYLE_INDEX); | |
1117 | if (!NILP (val)) | |
1118 | { | |
1119 | BYTE family = w32_generic_family (val); | |
1120 | if (family != FF_DONTCARE | |
1121 | && family != (font->ntmTm.tmPitchAndFamily & 0xF0)) | |
1122 | return 0; | |
1123 | } | |
1124 | ||
5f18d119 KH |
1125 | /* Check spacing */ |
1126 | val = AREF (spec, FONT_SPACING_INDEX); | |
1127 | if (INTEGERP (val)) | |
1128 | { | |
1129 | int spacing = XINT (val); | |
1130 | int proportional = (spacing < FONT_SPACING_MONO); | |
1131 | ||
1132 | if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01)) | |
1133 | || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01))) | |
1134 | return 0; | |
1135 | } | |
1136 | ||
d205d43b JR |
1137 | /* Check extra parameters. */ |
1138 | for (extra = AREF (spec, FONT_EXTRA_INDEX); | |
1139 | CONSP (extra); extra = XCDR (extra)) | |
1140 | { | |
1141 | Lisp_Object extra_entry; | |
1142 | extra_entry = XCAR (extra); | |
1143 | if (CONSP (extra_entry)) | |
1144 | { | |
1145 | Lisp_Object key = XCAR (extra_entry); | |
d205d43b | 1146 | |
5f18d119 KH |
1147 | val = XCDR (extra_entry); |
1148 | if (EQ (key, QCscript) && SYMBOLP (val)) | |
d205d43b JR |
1149 | { |
1150 | /* Only truetype fonts will have information about what | |
1151 | scripts they support. This probably means the user | |
1152 | will have to force Emacs to use raster, postscript | |
1153 | or atm fonts for non-ASCII text. */ | |
1154 | if (type & TRUETYPE_FONTTYPE) | |
1155 | { | |
1156 | Lisp_Object support | |
1157 | = font_supported_scripts (&font->ntmFontSig); | |
1158 | if (! memq_no_quit (val, support)) | |
1159 | return 0; | |
1160 | } | |
1161 | else | |
1162 | { | |
1163 | /* Return specific matches, but play it safe. Fonts | |
1164 | that cover more than their charset would suggest | |
1165 | are likely to be truetype or opentype fonts, | |
1166 | covered above. */ | |
1167 | if (EQ (val, Qlatin)) | |
1168 | { | |
1169 | /* Although every charset but symbol, thai and | |
1170 | arabic contains the basic ASCII set of latin | |
1171 | characters, Emacs expects much more. */ | |
1172 | if (font->ntmTm.tmCharSet != ANSI_CHARSET) | |
1173 | return 0; | |
1174 | } | |
1175 | else if (EQ (val, Qsymbol)) | |
1176 | { | |
1177 | if (font->ntmTm.tmCharSet != SYMBOL_CHARSET) | |
1178 | return 0; | |
1179 | } | |
1180 | else if (EQ (val, Qcyrillic)) | |
1181 | { | |
1182 | if (font->ntmTm.tmCharSet != RUSSIAN_CHARSET) | |
1183 | return 0; | |
1184 | } | |
1185 | else if (EQ (val, Qgreek)) | |
1186 | { | |
1187 | if (font->ntmTm.tmCharSet != GREEK_CHARSET) | |
1188 | return 0; | |
1189 | } | |
1190 | else if (EQ (val, Qarabic)) | |
1191 | { | |
1192 | if (font->ntmTm.tmCharSet != ARABIC_CHARSET) | |
1193 | return 0; | |
1194 | } | |
1195 | else if (EQ (val, Qhebrew)) | |
1196 | { | |
1197 | if (font->ntmTm.tmCharSet != HEBREW_CHARSET) | |
1198 | return 0; | |
1199 | } | |
1200 | else if (EQ (val, Qthai)) | |
1201 | { | |
1202 | if (font->ntmTm.tmCharSet != THAI_CHARSET) | |
1203 | return 0; | |
1204 | } | |
1205 | else if (EQ (val, Qkana)) | |
1206 | { | |
1207 | if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1208 | return 0; | |
1209 | } | |
1210 | else if (EQ (val, Qbopomofo)) | |
1211 | { | |
1212 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET) | |
1213 | return 0; | |
1214 | } | |
1215 | else if (EQ (val, Qhangul)) | |
1216 | { | |
1217 | if (font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1218 | && font->ntmTm.tmCharSet != JOHAB_CHARSET) | |
1219 | return 0; | |
1220 | } | |
1221 | else if (EQ (val, Qhan)) | |
1222 | { | |
1223 | if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET | |
1224 | && font->ntmTm.tmCharSet != GB2312_CHARSET | |
1225 | && font->ntmTm.tmCharSet != HANGUL_CHARSET | |
1226 | && font->ntmTm.tmCharSet != JOHAB_CHARSET | |
1227 | && font->ntmTm.tmCharSet != SHIFTJIS_CHARSET) | |
1228 | return 0; | |
1229 | } | |
1230 | else | |
56df6710 JR |
1231 | /* Other scripts unlikely to be handled by non-truetype |
1232 | fonts. */ | |
d205d43b JR |
1233 | return 0; |
1234 | } | |
1235 | } | |
5f18d119 | 1236 | else if (EQ (key, QClang) && SYMBOLP (val)) |
8f112d52 | 1237 | { |
4c100a01 | 1238 | /* Just handle the CJK languages here, as the lang |
8f112d52 JR |
1239 | parameter is used to select a font with appropriate |
1240 | glyphs in the cjk unified ideographs block. Other fonts | |
1241 | support for a language can be solely determined by | |
1242 | its character coverage. */ | |
1243 | if (EQ (val, Qja)) | |
1244 | { | |
4c100a01 | 1245 | if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE)) |
8f112d52 JR |
1246 | return 0; |
1247 | } | |
1248 | else if (EQ (val, Qko)) | |
1249 | { | |
4c100a01 | 1250 | if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN)) |
8f112d52 JR |
1251 | return 0; |
1252 | } | |
1253 | else if (EQ (val, Qzh)) | |
1254 | { | |
4c100a01 JR |
1255 | if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE)) |
1256 | return 0; | |
8f112d52 JR |
1257 | } |
1258 | else | |
4c100a01 JR |
1259 | /* Any other language, we don't recognize it. Only the above |
1260 | currently appear in fontset.el, so it isn't worth | |
1261 | creating a mapping table of codepages/scripts to languages | |
1262 | or opening the font to see if there are any language tags | |
1263 | in it that the W32 API does not expose. Fontset | |
8f112d52 JR |
1264 | spec should have a fallback, as some backends do |
1265 | not recognize language at all. */ | |
1266 | return 0; | |
1267 | } | |
56df6710 JR |
1268 | else if (EQ (key, QCotf) && CONSP (val)) |
1269 | { | |
1270 | /* OTF features only supported by the uniscribe backend. */ | |
1271 | if (EQ (backend, Quniscribe)) | |
1272 | { | |
1273 | if (!uniscribe_check_otf (logfont, val)) | |
1274 | return 0; | |
1275 | } | |
1276 | else | |
1277 | return 0; | |
1278 | } | |
d205d43b JR |
1279 | } |
1280 | } | |
1281 | return 1; | |
1282 | } | |
1283 | ||
c960bff8 | 1284 | static int |
b56ceb92 | 1285 | w32font_coverage_ok (FONTSIGNATURE * coverage, BYTE charset) |
c960bff8 JR |
1286 | { |
1287 | DWORD subrange1 = coverage->fsUsb[1]; | |
1288 | ||
1289 | #define SUBRANGE1_HAN_MASK 0x08000000 | |
1290 | #define SUBRANGE1_HANGEUL_MASK 0x01000000 | |
1291 | #define SUBRANGE1_JAPANESE_MASK (0x00060000 | SUBRANGE1_HAN_MASK) | |
1292 | ||
1293 | if (charset == GB2312_CHARSET || charset == CHINESEBIG5_CHARSET) | |
1294 | { | |
1295 | return (subrange1 & SUBRANGE1_HAN_MASK) == SUBRANGE1_HAN_MASK; | |
1296 | } | |
1297 | else if (charset == SHIFTJIS_CHARSET) | |
1298 | { | |
1299 | return (subrange1 & SUBRANGE1_JAPANESE_MASK) == SUBRANGE1_JAPANESE_MASK; | |
1300 | } | |
1301 | else if (charset == HANGEUL_CHARSET) | |
1302 | { | |
1303 | return (subrange1 & SUBRANGE1_HANGEUL_MASK) == SUBRANGE1_HANGEUL_MASK; | |
1304 | } | |
1305 | ||
1306 | return 1; | |
1307 | } | |
1308 | ||
b0857706 JR |
1309 | |
1310 | static int | |
b56ceb92 | 1311 | check_face_name (LOGFONT *font, char *full_name) |
b0857706 JR |
1312 | { |
1313 | char full_iname[LF_FULLFACESIZE+1]; | |
1314 | ||
1315 | /* Just check for names known to cause problems, since the full name | |
1316 | can contain expanded abbreviations, prefixed foundry, postfixed | |
1317 | style, the latter of which sometimes differs from the style indicated | |
1318 | in the shorter name (eg Lt becomes Light or even Extra Light) */ | |
1319 | ||
1320 | /* Helvetica is mapped to Arial in Windows, but if a Type-1 Helvetica is | |
1321 | installed, we run into problems with the Uniscribe backend which tries | |
1322 | to avoid non-truetype fonts, and ends up mixing the Type-1 Helvetica | |
1323 | with Arial's characteristics, since that attempt to use Truetype works | |
1324 | some places, but not others. */ | |
c285743c | 1325 | if (!xstrcasecmp (font->lfFaceName, "helvetica")) |
b0857706 JR |
1326 | { |
1327 | strncpy (full_iname, full_name, LF_FULLFACESIZE); | |
1328 | full_iname[LF_FULLFACESIZE] = 0; | |
1329 | _strlwr (full_iname); | |
c285743c | 1330 | return strstr ("helvetica", full_iname) != NULL; |
b0857706 | 1331 | } |
631ea4fb JR |
1332 | /* Same for Helv. */ |
1333 | if (!xstrcasecmp (font->lfFaceName, "helv")) | |
1334 | { | |
1335 | strncpy (full_iname, full_name, LF_FULLFACESIZE); | |
1336 | full_iname[LF_FULLFACESIZE] = 0; | |
1337 | _strlwr (full_iname); | |
1338 | return strstr ("helv", full_iname) != NULL; | |
1339 | } | |
c285743c JR |
1340 | |
1341 | /* Since Times is mapped to Times New Roman, a substring | |
1342 | match is not sufficient to filter out the bogus match. */ | |
1343 | else if (!xstrcasecmp (font->lfFaceName, "times")) | |
1344 | return xstrcasecmp (full_name, "times") == 0; | |
b0857706 JR |
1345 | |
1346 | return 1; | |
1347 | } | |
1348 | ||
1349 | ||
f7a84cb4 | 1350 | /* Callback function for EnumFontFamiliesEx. |
d205d43b JR |
1351 | * Checks if a font matches everything we are trying to check agaist, |
1352 | * and if so, adds it to a list. Both the data we are checking against | |
1353 | * and the list to which the fonts are added are passed in via the | |
1354 | * lparam argument, in the form of a font_callback_data struct. */ | |
20399669 | 1355 | static int CALLBACK |
b56ceb92 JB |
1356 | add_font_entity_to_list (ENUMLOGFONTEX *logical_font, |
1357 | NEWTEXTMETRICEX *physical_font, | |
1358 | DWORD font_type, LPARAM lParam) | |
f7a84cb4 | 1359 | { |
d205d43b JR |
1360 | struct font_callback_data *match_data |
1361 | = (struct font_callback_data *) lParam; | |
56df6710 | 1362 | Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi; |
19ae3e61 JR |
1363 | Lisp_Object entity; |
1364 | ||
1365 | int is_unicode = physical_font->ntmFontSig.fsUsb[3] | |
1366 | || physical_font->ntmFontSig.fsUsb[2] | |
1367 | || physical_font->ntmFontSig.fsUsb[1] | |
1368 | || physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff; | |
1369 | ||
1370 | /* Skip non matching fonts. */ | |
1371 | ||
1372 | /* For uniscribe backend, consider only truetype or opentype fonts | |
1373 | that have some unicode coverage. */ | |
1374 | if (match_data->opentype_only | |
1375 | && ((!physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE | |
1376 | && !(font_type & TRUETYPE_FONTTYPE)) | |
1377 | || !is_unicode)) | |
1378 | return 1; | |
1379 | ||
1380 | /* Ensure a match. */ | |
1381 | if (!logfonts_match (&logical_font->elfLogFont, &match_data->pattern) | |
1382 | || !font_matches_spec (font_type, physical_font, | |
1383 | match_data->orig_font_spec, backend, | |
1384 | &logical_font->elfLogFont) | |
1385 | || !w32font_coverage_ok (&physical_font->ntmFontSig, | |
1386 | match_data->pattern.lfCharSet)) | |
1387 | return 1; | |
f7a84cb4 | 1388 | |
19ae3e61 JR |
1389 | /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif) |
1390 | We limit this to raster fonts, because the test can catch some | |
1391 | genuine fonts (eg the full name of DejaVu Sans Mono Light is actually | |
1392 | DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will | |
1393 | therefore get through this test. Since full names can be prefixed | |
1394 | by a foundry, we accept raster fonts if the font name is found | |
1395 | anywhere within the full name. */ | |
1396 | if ((logical_font->elfLogFont.lfOutPrecision == OUT_STRING_PRECIS | |
c73abf54 JR |
1397 | && !strstr (logical_font->elfFullName, |
1398 | logical_font->elfLogFont.lfFaceName)) | |
b0857706 JR |
1399 | /* Check for well known substitutions that mess things up in the |
1400 | presence of Type-1 fonts of the same name. */ | |
631ea4fb JR |
1401 | || (!check_face_name (&logical_font->elfLogFont, |
1402 | logical_font->elfFullName))) | |
19ae3e61 JR |
1403 | return 1; |
1404 | ||
1405 | /* Make a font entity for the font. */ | |
1406 | entity = w32_enumfont_pattern_entity (match_data->frame, logical_font, | |
1407 | physical_font, font_type, | |
1408 | &match_data->pattern, | |
1409 | backend); | |
1410 | ||
1411 | if (!NILP (entity)) | |
d205d43b | 1412 | { |
19ae3e61 JR |
1413 | Lisp_Object spec_charset = AREF (match_data->orig_font_spec, |
1414 | FONT_REGISTRY_INDEX); | |
1415 | ||
1416 | /* iso10646-1 fonts must contain unicode mapping tables. */ | |
1417 | if (EQ (spec_charset, Qiso10646_1)) | |
1418 | { | |
1419 | if (!is_unicode) | |
9d32f818 | 1420 | return 1; |
19ae3e61 JR |
1421 | } |
1422 | /* unicode-bmp fonts must contain characters from the BMP. */ | |
1423 | else if (EQ (spec_charset, Qunicode_bmp)) | |
1424 | { | |
1425 | if (!physical_font->ntmFontSig.fsUsb[3] | |
1426 | && !(physical_font->ntmFontSig.fsUsb[2] & 0xFFFFFF9E) | |
1427 | && !(physical_font->ntmFontSig.fsUsb[1] & 0xE81FFFFF) | |
1428 | && !(physical_font->ntmFontSig.fsUsb[0] & 0x007F001F)) | |
1429 | return 1; | |
1430 | } | |
1431 | /* unicode-sip fonts must contain characters in unicode plane 2. | |
1432 | so look for bit 57 (surrogates) in the Unicode subranges, plus | |
1433 | the bits for CJK ranges that include those characters. */ | |
1434 | else if (EQ (spec_charset, Qunicode_sip)) | |
1435 | { | |
1436 | if (!physical_font->ntmFontSig.fsUsb[1] & 0x02000000 | |
1437 | || !physical_font->ntmFontSig.fsUsb[1] & 0x28000000) | |
1438 | return 1; | |
1439 | } | |
1440 | ||
1441 | /* This font matches. */ | |
1442 | ||
1443 | /* If registry was specified, ensure it is reported as the same. */ | |
1444 | if (!NILP (spec_charset)) | |
1445 | ASET (entity, FONT_REGISTRY_INDEX, spec_charset); | |
1446 | ||
1447 | /* Otherwise if using the uniscribe backend, report ANSI and DEFAULT | |
1448 | fonts as unicode and skip other charsets. */ | |
1449 | else if (match_data->opentype_only) | |
1450 | { | |
1451 | if (logical_font->elfLogFont.lfCharSet == ANSI_CHARSET | |
1452 | || logical_font->elfLogFont.lfCharSet == DEFAULT_CHARSET) | |
1453 | ASET (entity, FONT_REGISTRY_INDEX, Qiso10646_1); | |
1454 | else | |
1455 | return 1; | |
1456 | } | |
1457 | ||
1458 | /* Add this font to the list. */ | |
1459 | match_data->list = Fcons (entity, match_data->list); | |
d205d43b | 1460 | } |
f7a84cb4 JR |
1461 | return 1; |
1462 | } | |
1463 | ||
1464 | /* Callback function for EnumFontFamiliesEx. | |
d205d43b | 1465 | * Terminates the search once we have a match. */ |
20399669 | 1466 | static int CALLBACK |
b56ceb92 JB |
1467 | add_one_font_entity_to_list (ENUMLOGFONTEX *logical_font, |
1468 | NEWTEXTMETRICEX *physical_font, | |
1469 | DWORD font_type, LPARAM lParam) | |
f7a84cb4 | 1470 | { |
d205d43b JR |
1471 | struct font_callback_data *match_data |
1472 | = (struct font_callback_data *) lParam; | |
1473 | add_font_entity_to_list (logical_font, physical_font, font_type, lParam); | |
1474 | ||
1475 | /* If we have a font in the list, terminate the search. */ | |
4624b6e3 | 1476 | return NILP (match_data->list); |
f7a84cb4 JR |
1477 | } |
1478 | ||
57016d37 JR |
1479 | /* Old function to convert from x to w32 charset, from w32fns.c. */ |
1480 | static LONG | |
b56ceb92 | 1481 | x_to_w32_charset (char * lpcs) |
57016d37 JR |
1482 | { |
1483 | Lisp_Object this_entry, w32_charset; | |
1484 | char *charset; | |
1485 | int len = strlen (lpcs); | |
1486 | ||
1487 | /* Support "*-#nnn" format for unknown charsets. */ | |
1488 | if (strncmp (lpcs, "*-#", 3) == 0) | |
1489 | return atoi (lpcs + 3); | |
1490 | ||
1491 | /* All Windows fonts qualify as unicode. */ | |
1492 | if (!strncmp (lpcs, "iso10646", 8)) | |
1493 | return DEFAULT_CHARSET; | |
1494 | ||
1495 | /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */ | |
1496 | charset = alloca (len + 1); | |
1497 | strcpy (charset, lpcs); | |
1498 | lpcs = strchr (charset, '*'); | |
1499 | if (lpcs) | |
1500 | *lpcs = '\0'; | |
1501 | ||
1502 | /* Look through w32-charset-info-alist for the character set. | |
1503 | Format of each entry is | |
1504 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1505 | */ | |
1506 | this_entry = Fassoc (build_string (charset), Vw32_charset_info_alist); | |
1507 | ||
1508 | if (NILP (this_entry)) | |
1509 | { | |
1510 | /* At startup, we want iso8859-1 fonts to come up properly. */ | |
1511 | if (xstrcasecmp (charset, "iso8859-1") == 0) | |
1512 | return ANSI_CHARSET; | |
1513 | else | |
1514 | return DEFAULT_CHARSET; | |
1515 | } | |
1516 | ||
1517 | w32_charset = Fcar (Fcdr (this_entry)); | |
1518 | ||
1519 | /* Translate Lisp symbol to number. */ | |
1520 | if (EQ (w32_charset, Qw32_charset_ansi)) | |
1521 | return ANSI_CHARSET; | |
1522 | if (EQ (w32_charset, Qw32_charset_symbol)) | |
1523 | return SYMBOL_CHARSET; | |
1524 | if (EQ (w32_charset, Qw32_charset_shiftjis)) | |
1525 | return SHIFTJIS_CHARSET; | |
1526 | if (EQ (w32_charset, Qw32_charset_hangeul)) | |
1527 | return HANGEUL_CHARSET; | |
1528 | if (EQ (w32_charset, Qw32_charset_chinesebig5)) | |
1529 | return CHINESEBIG5_CHARSET; | |
1530 | if (EQ (w32_charset, Qw32_charset_gb2312)) | |
1531 | return GB2312_CHARSET; | |
1532 | if (EQ (w32_charset, Qw32_charset_oem)) | |
1533 | return OEM_CHARSET; | |
1534 | if (EQ (w32_charset, Qw32_charset_johab)) | |
1535 | return JOHAB_CHARSET; | |
1536 | if (EQ (w32_charset, Qw32_charset_easteurope)) | |
1537 | return EASTEUROPE_CHARSET; | |
1538 | if (EQ (w32_charset, Qw32_charset_turkish)) | |
1539 | return TURKISH_CHARSET; | |
1540 | if (EQ (w32_charset, Qw32_charset_baltic)) | |
1541 | return BALTIC_CHARSET; | |
1542 | if (EQ (w32_charset, Qw32_charset_russian)) | |
1543 | return RUSSIAN_CHARSET; | |
1544 | if (EQ (w32_charset, Qw32_charset_arabic)) | |
1545 | return ARABIC_CHARSET; | |
1546 | if (EQ (w32_charset, Qw32_charset_greek)) | |
1547 | return GREEK_CHARSET; | |
1548 | if (EQ (w32_charset, Qw32_charset_hebrew)) | |
1549 | return HEBREW_CHARSET; | |
1550 | if (EQ (w32_charset, Qw32_charset_vietnamese)) | |
1551 | return VIETNAMESE_CHARSET; | |
1552 | if (EQ (w32_charset, Qw32_charset_thai)) | |
1553 | return THAI_CHARSET; | |
1554 | if (EQ (w32_charset, Qw32_charset_mac)) | |
1555 | return MAC_CHARSET; | |
1556 | ||
1557 | return DEFAULT_CHARSET; | |
1558 | } | |
1559 | ||
1560 | ||
f7a84cb4 | 1561 | /* Convert a Lisp font registry (symbol) to a windows charset. */ |
20399669 | 1562 | static LONG |
b56ceb92 | 1563 | registry_to_w32_charset (Lisp_Object charset) |
f7a84cb4 JR |
1564 | { |
1565 | if (EQ (charset, Qiso10646_1) || EQ (charset, Qunicode_bmp) | |
1566 | || EQ (charset, Qunicode_sip)) | |
1567 | return DEFAULT_CHARSET; /* UNICODE_CHARSET not defined in MingW32 */ | |
1568 | else if (EQ (charset, Qiso8859_1)) | |
1569 | return ANSI_CHARSET; | |
040fe918 JR |
1570 | else if (SYMBOLP (charset)) |
1571 | return x_to_w32_charset (SDATA (SYMBOL_NAME (charset))); | |
f7a84cb4 JR |
1572 | else |
1573 | return DEFAULT_CHARSET; | |
1574 | } | |
1575 | ||
57016d37 JR |
1576 | /* Old function to convert from w32 to x charset, from w32fns.c. */ |
1577 | static char * | |
b56ceb92 | 1578 | w32_to_x_charset (int fncharset, char *matching) |
57016d37 JR |
1579 | { |
1580 | static char buf[32]; | |
1581 | Lisp_Object charset_type; | |
1582 | int match_len = 0; | |
1583 | ||
1584 | if (matching) | |
1585 | { | |
1586 | /* If fully specified, accept it as it is. Otherwise use a | |
1587 | substring match. */ | |
1588 | char *wildcard = strchr (matching, '*'); | |
1589 | if (wildcard) | |
1590 | *wildcard = '\0'; | |
1591 | else if (strchr (matching, '-')) | |
1592 | return matching; | |
1593 | ||
1594 | match_len = strlen (matching); | |
1595 | } | |
1596 | ||
1597 | switch (fncharset) | |
1598 | { | |
1599 | case ANSI_CHARSET: | |
1600 | /* Handle startup case of w32-charset-info-alist not | |
1601 | being set up yet. */ | |
1602 | if (NILP (Vw32_charset_info_alist)) | |
1603 | return "iso8859-1"; | |
1604 | charset_type = Qw32_charset_ansi; | |
1605 | break; | |
1606 | case DEFAULT_CHARSET: | |
1607 | charset_type = Qw32_charset_default; | |
1608 | break; | |
1609 | case SYMBOL_CHARSET: | |
1610 | charset_type = Qw32_charset_symbol; | |
1611 | break; | |
1612 | case SHIFTJIS_CHARSET: | |
1613 | charset_type = Qw32_charset_shiftjis; | |
1614 | break; | |
1615 | case HANGEUL_CHARSET: | |
1616 | charset_type = Qw32_charset_hangeul; | |
1617 | break; | |
1618 | case GB2312_CHARSET: | |
1619 | charset_type = Qw32_charset_gb2312; | |
1620 | break; | |
1621 | case CHINESEBIG5_CHARSET: | |
1622 | charset_type = Qw32_charset_chinesebig5; | |
1623 | break; | |
1624 | case OEM_CHARSET: | |
1625 | charset_type = Qw32_charset_oem; | |
1626 | break; | |
1627 | case EASTEUROPE_CHARSET: | |
1628 | charset_type = Qw32_charset_easteurope; | |
1629 | break; | |
1630 | case TURKISH_CHARSET: | |
1631 | charset_type = Qw32_charset_turkish; | |
1632 | break; | |
1633 | case BALTIC_CHARSET: | |
1634 | charset_type = Qw32_charset_baltic; | |
1635 | break; | |
1636 | case RUSSIAN_CHARSET: | |
1637 | charset_type = Qw32_charset_russian; | |
1638 | break; | |
1639 | case ARABIC_CHARSET: | |
1640 | charset_type = Qw32_charset_arabic; | |
1641 | break; | |
1642 | case GREEK_CHARSET: | |
1643 | charset_type = Qw32_charset_greek; | |
1644 | break; | |
1645 | case HEBREW_CHARSET: | |
1646 | charset_type = Qw32_charset_hebrew; | |
1647 | break; | |
1648 | case VIETNAMESE_CHARSET: | |
1649 | charset_type = Qw32_charset_vietnamese; | |
1650 | break; | |
1651 | case THAI_CHARSET: | |
1652 | charset_type = Qw32_charset_thai; | |
1653 | break; | |
1654 | case MAC_CHARSET: | |
1655 | charset_type = Qw32_charset_mac; | |
1656 | break; | |
1657 | case JOHAB_CHARSET: | |
1658 | charset_type = Qw32_charset_johab; | |
1659 | break; | |
1660 | ||
1661 | default: | |
1662 | /* Encode numerical value of unknown charset. */ | |
1663 | sprintf (buf, "*-#%u", fncharset); | |
1664 | return buf; | |
1665 | } | |
1666 | ||
1667 | { | |
1668 | Lisp_Object rest; | |
1669 | char * best_match = NULL; | |
1670 | int matching_found = 0; | |
1671 | ||
1672 | /* Look through w32-charset-info-alist for the character set. | |
1673 | Prefer ISO codepages, and prefer lower numbers in the ISO | |
1674 | range. Only return charsets for codepages which are installed. | |
1675 | ||
1676 | Format of each entry is | |
1677 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)). | |
1678 | */ | |
1679 | for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest)) | |
1680 | { | |
1681 | char * x_charset; | |
1682 | Lisp_Object w32_charset; | |
1683 | Lisp_Object codepage; | |
1684 | ||
1685 | Lisp_Object this_entry = XCAR (rest); | |
1686 | ||
1687 | /* Skip invalid entries in alist. */ | |
1688 | if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry)) | |
1689 | || !CONSP (XCDR (this_entry)) | |
1690 | || !SYMBOLP (XCAR (XCDR (this_entry)))) | |
1691 | continue; | |
1692 | ||
1693 | x_charset = SDATA (XCAR (this_entry)); | |
1694 | w32_charset = XCAR (XCDR (this_entry)); | |
1695 | codepage = XCDR (XCDR (this_entry)); | |
1696 | ||
1697 | /* Look for Same charset and a valid codepage (or non-int | |
1698 | which means ignore). */ | |
1699 | if (EQ (w32_charset, charset_type) | |
1700 | && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT | |
1701 | || IsValidCodePage (XINT (codepage)))) | |
1702 | { | |
1703 | /* If we don't have a match already, then this is the | |
1704 | best. */ | |
1705 | if (!best_match) | |
1706 | { | |
1707 | best_match = x_charset; | |
1708 | if (matching && !strnicmp (x_charset, matching, match_len)) | |
1709 | matching_found = 1; | |
1710 | } | |
1711 | /* If we already found a match for MATCHING, then | |
1712 | only consider other matches. */ | |
1713 | else if (matching_found | |
1714 | && strnicmp (x_charset, matching, match_len)) | |
1715 | continue; | |
1716 | /* If this matches what we want, and the best so far doesn't, | |
1717 | then this is better. */ | |
1718 | else if (!matching_found && matching | |
1719 | && !strnicmp (x_charset, matching, match_len)) | |
1720 | { | |
1721 | best_match = x_charset; | |
1722 | matching_found = 1; | |
1723 | } | |
1724 | /* If this is fully specified, and the best so far isn't, | |
1725 | then this is better. */ | |
1726 | else if ((!strchr (best_match, '-') && strchr (x_charset, '-')) | |
1727 | /* If this is an ISO codepage, and the best so far isn't, | |
1728 | then this is better, but only if it fully specifies the | |
1729 | encoding. */ | |
1730 | || (strnicmp (best_match, "iso", 3) != 0 | |
1731 | && strnicmp (x_charset, "iso", 3) == 0 | |
1732 | && strchr (x_charset, '-'))) | |
1733 | best_match = x_charset; | |
1734 | /* If both are ISO8859 codepages, choose the one with the | |
1735 | lowest number in the encoding field. */ | |
1736 | else if (strnicmp (best_match, "iso8859-", 8) == 0 | |
1737 | && strnicmp (x_charset, "iso8859-", 8) == 0) | |
1738 | { | |
1739 | int best_enc = atoi (best_match + 8); | |
1740 | int this_enc = atoi (x_charset + 8); | |
1741 | if (this_enc > 0 && this_enc < best_enc) | |
1742 | best_match = x_charset; | |
1743 | } | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | /* If no match, encode the numeric value. */ | |
1748 | if (!best_match) | |
1749 | { | |
1750 | sprintf (buf, "*-#%u", fncharset); | |
1751 | return buf; | |
1752 | } | |
1753 | ||
1754 | strncpy (buf, best_match, 31); | |
1755 | /* If the charset is not fully specified, put -0 on the end. */ | |
1756 | if (!strchr (best_match, '-')) | |
1757 | { | |
1758 | int pos = strlen (best_match); | |
1759 | /* Charset specifiers shouldn't be very long. If it is a made | |
1760 | up one, truncating it should not do any harm since it isn't | |
1761 | recognized anyway. */ | |
1762 | if (pos > 29) | |
1763 | pos = 29; | |
1764 | strcpy (buf + pos, "-0"); | |
1765 | } | |
1766 | buf[31] = '\0'; | |
1767 | return buf; | |
1768 | } | |
1769 | } | |
1770 | ||
20399669 | 1771 | static Lisp_Object |
b56ceb92 | 1772 | w32_registry (LONG w32_charset, DWORD font_type) |
f7a84cb4 | 1773 | { |
aee986fd JR |
1774 | char *charset; |
1775 | ||
1776 | /* If charset is defaulted, charset is unicode or unknown, depending on | |
1777 | font type. */ | |
c960bff8 | 1778 | if (w32_charset == DEFAULT_CHARSET) |
aee986fd | 1779 | return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown; |
c960bff8 | 1780 | |
aee986fd | 1781 | charset = w32_to_x_charset (w32_charset, NULL); |
ed3751c8 | 1782 | return font_intern_prop (charset, strlen (charset), 1); |
f7a84cb4 JR |
1783 | } |
1784 | ||
5f18d119 | 1785 | static int |
b56ceb92 | 1786 | w32_decode_weight (int fnweight) |
5f18d119 KH |
1787 | { |
1788 | if (fnweight >= FW_HEAVY) return 210; | |
1789 | if (fnweight >= FW_EXTRABOLD) return 205; | |
1790 | if (fnweight >= FW_BOLD) return 200; | |
1791 | if (fnweight >= FW_SEMIBOLD) return 180; | |
1792 | if (fnweight >= FW_NORMAL) return 100; | |
1793 | if (fnweight >= FW_LIGHT) return 50; | |
1794 | if (fnweight >= FW_EXTRALIGHT) return 40; | |
9d4f32e8 | 1795 | if (fnweight > FW_THIN) return 20; |
5f18d119 KH |
1796 | return 0; |
1797 | } | |
1798 | ||
1799 | static int | |
b56ceb92 | 1800 | w32_encode_weight (int n) |
5f18d119 KH |
1801 | { |
1802 | if (n >= 210) return FW_HEAVY; | |
1803 | if (n >= 205) return FW_EXTRABOLD; | |
1804 | if (n >= 200) return FW_BOLD; | |
1805 | if (n >= 180) return FW_SEMIBOLD; | |
1806 | if (n >= 100) return FW_NORMAL; | |
1807 | if (n >= 50) return FW_LIGHT; | |
1808 | if (n >= 40) return FW_EXTRALIGHT; | |
9d4f32e8 | 1809 | if (n >= 20) return FW_THIN; |
5f18d119 KH |
1810 | return 0; |
1811 | } | |
1812 | ||
3ef8c1b4 JR |
1813 | /* Convert a Windows font weight into one of the weights supported |
1814 | by fontconfig (see font.c:font_parse_fcname). */ | |
1815 | static Lisp_Object | |
b56ceb92 | 1816 | w32_to_fc_weight (int n) |
3ef8c1b4 JR |
1817 | { |
1818 | if (n >= FW_EXTRABOLD) return intern ("black"); | |
9d4f32e8 JB |
1819 | if (n >= FW_BOLD) return intern ("bold"); |
1820 | if (n >= FW_SEMIBOLD) return intern ("demibold"); | |
1821 | if (n >= FW_NORMAL) return intern ("medium"); | |
3ef8c1b4 JR |
1822 | return intern ("light"); |
1823 | } | |
1824 | ||
f7a84cb4 | 1825 | /* Fill in all the available details of LOGFONT from FONT_SPEC. */ |
20399669 | 1826 | static void |
b56ceb92 | 1827 | fill_in_logfont (FRAME_PTR f, LOGFONT *logfont, Lisp_Object font_spec) |
f7a84cb4 | 1828 | { |
d205d43b | 1829 | Lisp_Object tmp, extra; |
f7a84cb4 JR |
1830 | int dpi = FRAME_W32_DISPLAY_INFO (f)->resy; |
1831 | ||
5f18d119 KH |
1832 | tmp = AREF (font_spec, FONT_DPI_INDEX); |
1833 | if (INTEGERP (tmp)) | |
d205d43b | 1834 | { |
5f18d119 KH |
1835 | dpi = XINT (tmp); |
1836 | } | |
1837 | else if (FLOATP (tmp)) | |
1838 | { | |
1839 | dpi = (int) (XFLOAT_DATA (tmp) + 0.5); | |
d205d43b | 1840 | } |
f7a84cb4 JR |
1841 | |
1842 | /* Height */ | |
1843 | tmp = AREF (font_spec, FONT_SIZE_INDEX); | |
1844 | if (INTEGERP (tmp)) | |
040fe918 | 1845 | logfont->lfHeight = -1 * XINT (tmp); |
f7a84cb4 | 1846 | else if (FLOATP (tmp)) |
d205d43b | 1847 | logfont->lfHeight = (int) (-1.0 * dpi * XFLOAT_DATA (tmp) / 72.27 + 0.5); |
f7a84cb4 JR |
1848 | |
1849 | /* Escapement */ | |
1850 | ||
1851 | /* Orientation */ | |
1852 | ||
1853 | /* Weight */ | |
1854 | tmp = AREF (font_spec, FONT_WEIGHT_INDEX); | |
1855 | if (INTEGERP (tmp)) | |
5f18d119 | 1856 | logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec)); |
f7a84cb4 JR |
1857 | |
1858 | /* Italic */ | |
1859 | tmp = AREF (font_spec, FONT_SLANT_INDEX); | |
1860 | if (INTEGERP (tmp)) | |
1861 | { | |
5f18d119 | 1862 | int slant = FONT_SLANT_NUMERIC (font_spec); |
f7a84cb4 JR |
1863 | logfont->lfItalic = slant > 150 ? 1 : 0; |
1864 | } | |
1865 | ||
1866 | /* Underline */ | |
1867 | ||
1868 | /* Strikeout */ | |
1869 | ||
1870 | /* Charset */ | |
1871 | tmp = AREF (font_spec, FONT_REGISTRY_INDEX); | |
1872 | if (! NILP (tmp)) | |
d205d43b | 1873 | logfont->lfCharSet = registry_to_w32_charset (tmp); |
56df6710 JR |
1874 | else |
1875 | logfont->lfCharSet = DEFAULT_CHARSET; | |
f7a84cb4 JR |
1876 | |
1877 | /* Out Precision */ | |
91583281 | 1878 | |
f7a84cb4 | 1879 | /* Clip Precision */ |
91583281 JR |
1880 | |
1881 | /* Quality */ | |
040fe918 JR |
1882 | logfont->lfQuality = DEFAULT_QUALITY; |
1883 | ||
d205d43b JR |
1884 | /* Generic Family and Face Name */ |
1885 | logfont->lfPitchAndFamily = FF_DONTCARE | DEFAULT_PITCH; | |
1886 | ||
f7a84cb4 | 1887 | tmp = AREF (font_spec, FONT_FAMILY_INDEX); |
d205d43b JR |
1888 | if (! NILP (tmp)) |
1889 | { | |
1890 | logfont->lfPitchAndFamily = w32_generic_family (tmp) | DEFAULT_PITCH; | |
1891 | if ((logfont->lfPitchAndFamily & 0xF0) != FF_DONTCARE) | |
1892 | ; /* Font name was generic, don't fill in font name. */ | |
1893 | /* Font families are interned, but allow for strings also in case of | |
1894 | user input. */ | |
1895 | else if (SYMBOLP (tmp)) | |
e6df5336 JR |
1896 | strncpy (logfont->lfFaceName, |
1897 | SDATA (ENCODE_SYSTEM (SYMBOL_NAME (tmp))), LF_FACESIZE); | |
d205d43b | 1898 | } |
f7a84cb4 | 1899 | |
9e1a2995 JR |
1900 | tmp = AREF (font_spec, FONT_ADSTYLE_INDEX); |
1901 | if (!NILP (tmp)) | |
1902 | { | |
1903 | /* Override generic family. */ | |
1904 | BYTE family = w32_generic_family (tmp); | |
1905 | if (family != FF_DONTCARE) | |
1906 | logfont->lfPitchAndFamily = family | DEFAULT_PITCH; | |
1907 | } | |
1908 | ||
5f18d119 KH |
1909 | /* Set pitch based on the spacing property. */ |
1910 | tmp = AREF (font_spec, FONT_SPACING_INDEX); | |
1911 | if (INTEGERP (tmp)) | |
1912 | { | |
1913 | int spacing = XINT (tmp); | |
1914 | if (spacing < FONT_SPACING_MONO) | |
1915 | logfont->lfPitchAndFamily | |
1916 | = logfont->lfPitchAndFamily & 0xF0 | VARIABLE_PITCH; | |
1917 | else | |
1918 | logfont->lfPitchAndFamily | |
1919 | = logfont->lfPitchAndFamily & 0xF0 | FIXED_PITCH; | |
1920 | } | |
1921 | ||
d205d43b | 1922 | /* Process EXTRA info. */ |
5f18d119 KH |
1923 | for (extra = AREF (font_spec, FONT_EXTRA_INDEX); |
1924 | CONSP (extra); extra = XCDR (extra)) | |
d205d43b JR |
1925 | { |
1926 | tmp = XCAR (extra); | |
1927 | if (CONSP (tmp)) | |
1928 | { | |
1929 | Lisp_Object key, val; | |
1930 | key = XCAR (tmp), val = XCDR (tmp); | |
d205d43b JR |
1931 | /* Only use QCscript if charset is not provided, or is unicode |
1932 | and a single script is specified. This is rather crude, | |
1933 | and is only used to narrow down the fonts returned where | |
1934 | there is a definite match. Some scripts, such as latin, han, | |
1935 | cjk-misc match multiple lfCharSet values, so we can't pre-filter | |
1936 | them. */ | |
5f18d119 | 1937 | if (EQ (key, QCscript) |
d205d43b JR |
1938 | && logfont->lfCharSet == DEFAULT_CHARSET |
1939 | && SYMBOLP (val)) | |
1940 | { | |
1941 | if (EQ (val, Qgreek)) | |
1942 | logfont->lfCharSet = GREEK_CHARSET; | |
1943 | else if (EQ (val, Qhangul)) | |
1944 | logfont->lfCharSet = HANGUL_CHARSET; | |
1945 | else if (EQ (val, Qkana) || EQ (val, Qkanbun)) | |
1946 | logfont->lfCharSet = SHIFTJIS_CHARSET; | |
1947 | else if (EQ (val, Qbopomofo)) | |
1948 | logfont->lfCharSet = CHINESEBIG5_CHARSET; | |
1949 | /* GB 18030 supports tibetan, yi, mongolian, | |
1950 | fonts that support it should show up if we ask for | |
1951 | GB2312 fonts. */ | |
1952 | else if (EQ (val, Qtibetan) || EQ (val, Qyi) | |
1953 | || EQ (val, Qmongolian)) | |
1954 | logfont->lfCharSet = GB2312_CHARSET; | |
1955 | else if (EQ (val, Qhebrew)) | |
1956 | logfont->lfCharSet = HEBREW_CHARSET; | |
1957 | else if (EQ (val, Qarabic)) | |
1958 | logfont->lfCharSet = ARABIC_CHARSET; | |
1959 | else if (EQ (val, Qthai)) | |
1960 | logfont->lfCharSet = THAI_CHARSET; | |
d205d43b | 1961 | } |
91583281 JR |
1962 | else if (EQ (key, QCantialias) && SYMBOLP (val)) |
1963 | { | |
1964 | logfont->lfQuality = w32_antialias_type (val); | |
1965 | } | |
d205d43b JR |
1966 | } |
1967 | } | |
f7a84cb4 JR |
1968 | } |
1969 | ||
20399669 | 1970 | static void |
b56ceb92 | 1971 | list_all_matching_fonts (struct font_callback_data *match_data) |
f7a84cb4 JR |
1972 | { |
1973 | HDC dc; | |
d205d43b JR |
1974 | Lisp_Object families = w32font_list_family (match_data->frame); |
1975 | struct frame *f = XFRAME (match_data->frame); | |
f7a84cb4 JR |
1976 | |
1977 | dc = get_frame_dc (f); | |
1978 | ||
1979 | while (!NILP (families)) | |
1980 | { | |
e6df5336 JR |
1981 | /* Only fonts from the current locale are given localized names |
1982 | on Windows, so we can keep backwards compatibility with | |
1983 | Windows 9x/ME by using non-Unicode font enumeration without | |
1984 | sacrificing internationalization here. */ | |
d205d43b | 1985 | char *name; |
f7a84cb4 JR |
1986 | Lisp_Object family = CAR (families); |
1987 | families = CDR (families); | |
d205d43b JR |
1988 | if (NILP (family)) |
1989 | continue; | |
8f112d52 | 1990 | else if (SYMBOLP (family)) |
e6df5336 | 1991 | name = SDATA (ENCODE_SYSTEM (SYMBOL_NAME (family))); |
8f112d52 JR |
1992 | else |
1993 | continue; | |
d205d43b JR |
1994 | |
1995 | strncpy (match_data->pattern.lfFaceName, name, LF_FACESIZE); | |
1996 | match_data->pattern.lfFaceName[LF_FACESIZE - 1] = '\0'; | |
1997 | ||
1998 | EnumFontFamiliesEx (dc, &match_data->pattern, | |
1999 | (FONTENUMPROC) add_font_entity_to_list, | |
2000 | (LPARAM) match_data, 0); | |
f7a84cb4 JR |
2001 | } |
2002 | ||
2003 | release_frame_dc (f, dc); | |
2004 | } | |
2005 | ||
91583281 | 2006 | static Lisp_Object |
b56ceb92 | 2007 | lispy_antialias_type (BYTE type) |
91583281 JR |
2008 | { |
2009 | Lisp_Object lispy; | |
2010 | ||
2011 | switch (type) | |
2012 | { | |
2013 | case NONANTIALIASED_QUALITY: | |
2014 | lispy = Qnone; | |
2015 | break; | |
2016 | case ANTIALIASED_QUALITY: | |
2017 | lispy = Qstandard; | |
2018 | break; | |
2019 | case CLEARTYPE_QUALITY: | |
2020 | lispy = Qsubpixel; | |
2021 | break; | |
2022 | case CLEARTYPE_NATURAL_QUALITY: | |
2023 | lispy = Qnatural; | |
2024 | break; | |
2025 | default: | |
2026 | lispy = Qnil; | |
2027 | break; | |
2028 | } | |
2029 | return lispy; | |
2030 | } | |
2031 | ||
2032 | /* Convert antialiasing symbols to lfQuality */ | |
2033 | static BYTE | |
b56ceb92 | 2034 | w32_antialias_type (Lisp_Object type) |
91583281 JR |
2035 | { |
2036 | if (EQ (type, Qnone)) | |
2037 | return NONANTIALIASED_QUALITY; | |
2038 | else if (EQ (type, Qstandard)) | |
2039 | return ANTIALIASED_QUALITY; | |
2040 | else if (EQ (type, Qsubpixel)) | |
2041 | return CLEARTYPE_QUALITY; | |
2042 | else if (EQ (type, Qnatural)) | |
2043 | return CLEARTYPE_NATURAL_QUALITY; | |
2044 | else | |
2045 | return DEFAULT_QUALITY; | |
2046 | } | |
2047 | ||
d205d43b JR |
2048 | /* Return a list of all the scripts that the font supports. */ |
2049 | static Lisp_Object | |
2050 | font_supported_scripts (FONTSIGNATURE * sig) | |
f7a84cb4 | 2051 | { |
d205d43b JR |
2052 | DWORD * subranges = sig->fsUsb; |
2053 | Lisp_Object supported = Qnil; | |
2054 | ||
2055 | /* Match a single subrange. SYM is set if bit N is set in subranges. */ | |
2056 | #define SUBRANGE(n,sym) \ | |
2057 | if (subranges[(n) / 32] & (1 << ((n) % 32))) \ | |
2058 | supported = Fcons ((sym), supported) | |
2059 | ||
2060 | /* Match multiple subranges. SYM is set if any MASK bit is set in | |
2061 | subranges[0 - 3]. */ | |
2062 | #define MASK_ANY(mask0,mask1,mask2,mask3,sym) \ | |
2063 | if ((subranges[0] & (mask0)) || (subranges[1] & (mask1)) \ | |
2064 | || (subranges[2] & (mask2)) || (subranges[3] & (mask3))) \ | |
2065 | supported = Fcons ((sym), supported) | |
2066 | ||
56df6710 JR |
2067 | SUBRANGE (0, Qlatin); |
2068 | /* The following count as latin too, ASCII should be present in these fonts, | |
2069 | so don't need to mark them separately. */ | |
2070 | /* 1: Latin-1 supplement, 2: Latin Extended A, 3: Latin Extended B. */ | |
2071 | SUBRANGE (4, Qphonetic); | |
2072 | /* 5: Spacing and tone modifiers, 6: Combining Diacriticals. */ | |
d205d43b JR |
2073 | SUBRANGE (7, Qgreek); |
2074 | SUBRANGE (8, Qcoptic); | |
2075 | SUBRANGE (9, Qcyrillic); | |
2076 | SUBRANGE (10, Qarmenian); | |
2077 | SUBRANGE (11, Qhebrew); | |
174f1c74 | 2078 | /* 12: Vai. */ |
d205d43b JR |
2079 | SUBRANGE (13, Qarabic); |
2080 | SUBRANGE (14, Qnko); | |
2081 | SUBRANGE (15, Qdevanagari); | |
2082 | SUBRANGE (16, Qbengali); | |
2083 | SUBRANGE (17, Qgurmukhi); | |
2084 | SUBRANGE (18, Qgujarati); | |
2085 | SUBRANGE (19, Qoriya); | |
2086 | SUBRANGE (20, Qtamil); | |
2087 | SUBRANGE (21, Qtelugu); | |
2088 | SUBRANGE (22, Qkannada); | |
2089 | SUBRANGE (23, Qmalayalam); | |
2090 | SUBRANGE (24, Qthai); | |
2091 | SUBRANGE (25, Qlao); | |
2092 | SUBRANGE (26, Qgeorgian); | |
56df6710 JR |
2093 | SUBRANGE (27, Qbalinese); |
2094 | /* 28: Hangul Jamo. */ | |
2095 | /* 29: Latin Extended, 30: Greek Extended, 31: Punctuation. */ | |
2096 | /* 32-47: Symbols (defined below). */ | |
d205d43b | 2097 | SUBRANGE (48, Qcjk_misc); |
56df6710 JR |
2098 | /* Match either 49: katakana or 50: hiragana for kana. */ |
2099 | MASK_ANY (0, 0x00060000, 0, 0, Qkana); | |
d205d43b | 2100 | SUBRANGE (51, Qbopomofo); |
56df6710 JR |
2101 | /* 52: Compatibility Jamo */ |
2102 | SUBRANGE (53, Qphags_pa); | |
2103 | /* 54: Enclosed CJK letters and months, 55: CJK Compatibility. */ | |
d205d43b | 2104 | SUBRANGE (56, Qhangul); |
56df6710 JR |
2105 | /* 57: Surrogates. */ |
2106 | SUBRANGE (58, Qphoenician); | |
d205d43b | 2107 | SUBRANGE (59, Qhan); /* There are others, but this is the main one. */ |
56df6710 JR |
2108 | SUBRANGE (59, Qideographic_description); /* Windows lumps this in. */ |
2109 | SUBRANGE (59, Qkanbun); /* And this. */ | |
2110 | /* 60: Private use, 61: CJK strokes and compatibility. */ | |
2111 | /* 62: Alphabetic Presentation, 63: Arabic Presentation A. */ | |
2112 | /* 64: Combining half marks, 65: Vertical and CJK compatibility. */ | |
2113 | /* 66: Small forms, 67: Arabic Presentation B, 68: Half and Full width. */ | |
2114 | /* 69: Specials. */ | |
d205d43b JR |
2115 | SUBRANGE (70, Qtibetan); |
2116 | SUBRANGE (71, Qsyriac); | |
2117 | SUBRANGE (72, Qthaana); | |
2118 | SUBRANGE (73, Qsinhala); | |
2119 | SUBRANGE (74, Qmyanmar); | |
2120 | SUBRANGE (75, Qethiopic); | |
2121 | SUBRANGE (76, Qcherokee); | |
2122 | SUBRANGE (77, Qcanadian_aboriginal); | |
2123 | SUBRANGE (78, Qogham); | |
2124 | SUBRANGE (79, Qrunic); | |
2125 | SUBRANGE (80, Qkhmer); | |
2126 | SUBRANGE (81, Qmongolian); | |
2127 | SUBRANGE (82, Qbraille); | |
2128 | SUBRANGE (83, Qyi); | |
56df6710 JR |
2129 | SUBRANGE (84, Qbuhid); |
2130 | SUBRANGE (84, Qhanunoo); | |
2131 | SUBRANGE (84, Qtagalog); | |
2132 | SUBRANGE (84, Qtagbanwa); | |
2133 | SUBRANGE (85, Qold_italic); | |
2134 | SUBRANGE (86, Qgothic); | |
2135 | SUBRANGE (87, Qdeseret); | |
d205d43b JR |
2136 | SUBRANGE (88, Qbyzantine_musical_symbol); |
2137 | SUBRANGE (88, Qmusical_symbol); /* Windows doesn't distinguish these. */ | |
d205d43b | 2138 | SUBRANGE (89, Qmathematical); |
56df6710 JR |
2139 | /* 90: Private use, 91: Variation selectors, 92: Tags. */ |
2140 | SUBRANGE (93, Qlimbu); | |
2141 | SUBRANGE (94, Qtai_le); | |
2142 | /* 95: New Tai Le */ | |
2143 | SUBRANGE (90, Qbuginese); | |
2144 | SUBRANGE (97, Qglagolitic); | |
2145 | SUBRANGE (98, Qtifinagh); | |
2146 | /* 99: Yijing Hexagrams. */ | |
2147 | SUBRANGE (100, Qsyloti_nagri); | |
2148 | SUBRANGE (101, Qlinear_b); | |
2149 | /* 102: Ancient Greek Numbers. */ | |
2150 | SUBRANGE (103, Qugaritic); | |
2151 | SUBRANGE (104, Qold_persian); | |
2152 | SUBRANGE (105, Qshavian); | |
2153 | SUBRANGE (106, Qosmanya); | |
2154 | SUBRANGE (107, Qcypriot); | |
2155 | SUBRANGE (108, Qkharoshthi); | |
2156 | /* 109: Tai Xuan Jing. */ | |
2157 | SUBRANGE (110, Qcuneiform); | |
174f1c74 JR |
2158 | /* 111: Counting Rods, 112: Sundanese, 113: Lepcha, 114: Ol Chiki. */ |
2159 | /* 115: Saurashtra, 116: Kayah Li, 117: Rejang. */ | |
2160 | SUBRANGE (118, Qcham); | |
2161 | /* 119: Ancient symbols, 120: Phaistos Disc. */ | |
2162 | /* 121: Carian, Lycian, Lydian, 122: Dominos, Mah Jong tiles. */ | |
2163 | /* 123-127: Reserved. */ | |
d205d43b JR |
2164 | |
2165 | /* There isn't really a main symbol range, so include symbol if any | |
2166 | relevant range is set. */ | |
2167 | MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol); | |
2168 | ||
174f1c74 | 2169 | /* Missing: Tai Viet (U+AA80-U+AADF). */ |
d205d43b JR |
2170 | #undef SUBRANGE |
2171 | #undef MASK_ANY | |
2172 | ||
2173 | return supported; | |
f7a84cb4 JR |
2174 | } |
2175 | ||
67997c79 JR |
2176 | /* Generate a full name for a Windows font. |
2177 | The full name is in fcname format, with weight, slant and antialiasing | |
2178 | specified if they are not "normal". */ | |
2179 | static int | |
b56ceb92 JB |
2180 | w32font_full_name (LOGFONT * font, Lisp_Object font_obj, |
2181 | int pixel_size, char *name, int nbytes) | |
67997c79 | 2182 | { |
a823468b | 2183 | int len, height, outline; |
67997c79 JR |
2184 | char *p; |
2185 | Lisp_Object antialiasing, weight = Qnil; | |
2186 | ||
a823468b JR |
2187 | len = strlen (font->lfFaceName); |
2188 | ||
2189 | outline = EQ (AREF (font_obj, FONT_FOUNDRY_INDEX), Qoutline); | |
2190 | ||
2191 | /* Represent size of scalable fonts by point size. But use pixelsize for | |
2192 | raster fonts to indicate that they are exactly that size. */ | |
2193 | if (outline) | |
2194 | len += 11; /* -SIZE */ | |
2195 | else | |
6fe9826d | 2196 | len += 21; |
67997c79 JR |
2197 | |
2198 | if (font->lfItalic) | |
2199 | len += 7; /* :italic */ | |
2200 | ||
2201 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2202 | { | |
3ef8c1b4 JR |
2203 | weight = w32_to_fc_weight (font->lfWeight); |
2204 | len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */ | |
67997c79 JR |
2205 | } |
2206 | ||
2207 | antialiasing = lispy_antialias_type (font->lfQuality); | |
2208 | if (! NILP (antialiasing)) | |
2209 | len += 11 + SBYTES (SYMBOL_NAME (antialiasing)); /* :antialias=NAME */ | |
2210 | ||
2211 | /* Check that the buffer is big enough */ | |
2212 | if (len > nbytes) | |
2213 | return -1; | |
2214 | ||
2215 | p = name; | |
2216 | p += sprintf (p, "%s", font->lfFaceName); | |
2217 | ||
a823468b JR |
2218 | height = font->lfHeight ? eabs (font->lfHeight) : pixel_size; |
2219 | ||
2220 | if (height > 0) | |
2221 | { | |
2222 | if (outline) | |
2223 | { | |
2224 | float pointsize = height * 72.0 / one_w32_display_info.resy; | |
7145be81 JR |
2225 | /* Round to nearest half point. floor is used, since round is not |
2226 | supported in MS library. */ | |
2227 | pointsize = floor (pointsize * 2 + 0.5) / 2; | |
a823468b JR |
2228 | p += sprintf (p, "-%1.1f", pointsize); |
2229 | } | |
2230 | else | |
2231 | p += sprintf (p, ":pixelsize=%d", height); | |
2232 | } | |
67997c79 | 2233 | |
3ef8c1b4 JR |
2234 | if (SYMBOLP (weight) && ! NILP (weight)) |
2235 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2236 | ||
67997c79 JR |
2237 | if (font->lfItalic) |
2238 | p += sprintf (p, ":italic"); | |
2239 | ||
67997c79 JR |
2240 | if (SYMBOLP (antialiasing) && ! NILP (antialiasing)) |
2241 | p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing))); | |
2242 | ||
2243 | return (p - name); | |
2244 | } | |
f7a84cb4 | 2245 | |
6fe9826d JR |
2246 | /* Convert a logfont and point size into a fontconfig style font name. |
2247 | POINTSIZE is in tenths of points. | |
2248 | If SIZE indicates the size of buffer FCNAME, into which the font name | |
2249 | is written. If the buffer is not large enough to contain the name, | |
2250 | the function returns -1, otherwise it returns the number of bytes | |
2251 | written to FCNAME. */ | |
b56ceb92 JB |
2252 | static int |
2253 | logfont_to_fcname (LOGFONT* font, int pointsize, char *fcname, int size) | |
6fe9826d JR |
2254 | { |
2255 | int len, height; | |
2256 | char *p = fcname; | |
2257 | Lisp_Object weight = Qnil; | |
2258 | ||
2259 | len = strlen (font->lfFaceName) + 2; | |
2260 | height = pointsize / 10; | |
2261 | while (height /= 10) | |
2262 | len++; | |
2263 | ||
2264 | if (pointsize % 10) | |
2265 | len += 2; | |
2266 | ||
2267 | if (font->lfItalic) | |
2268 | len += 7; /* :italic */ | |
2269 | if (font->lfWeight && font->lfWeight != FW_NORMAL) | |
2270 | { | |
3ef8c1b4 JR |
2271 | weight = w32_to_fc_weight (font->lfWeight); |
2272 | len += SBYTES (SYMBOL_NAME (weight)) + 1; | |
6fe9826d JR |
2273 | } |
2274 | ||
2275 | if (len > size) | |
2276 | return -1; | |
2277 | ||
2278 | p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10); | |
2279 | if (pointsize % 10) | |
2280 | p += sprintf (p, ".%d", pointsize % 10); | |
2281 | ||
3ef8c1b4 JR |
2282 | if (SYMBOLP (weight) && !NILP (weight)) |
2283 | p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight))); | |
2284 | ||
6fe9826d JR |
2285 | if (font->lfItalic) |
2286 | p += sprintf (p, ":italic"); | |
2287 | ||
6fe9826d JR |
2288 | return (p - fcname); |
2289 | } | |
34fd2d28 | 2290 | |
9c623c85 | 2291 | static void |
b56ceb92 JB |
2292 | compute_metrics (HDC dc, struct w32font_info *w32_font, unsigned int code, |
2293 | struct w32_metric_cache *metrics) | |
34fd2d28 JR |
2294 | { |
2295 | GLYPHMETRICS gm; | |
2296 | MAT2 transform; | |
8f112d52 JR |
2297 | unsigned int options = GGO_METRICS; |
2298 | ||
2299 | if (w32_font->glyph_idx) | |
2300 | options |= GGO_GLYPH_INDEX; | |
34fd2d28 | 2301 | |
72af86bd | 2302 | memset (&transform, 0, sizeof (transform)); |
34fd2d28 JR |
2303 | transform.eM11.value = 1; |
2304 | transform.eM22.value = 1; | |
8f112d52 JR |
2305 | |
2306 | if (GetGlyphOutlineW (dc, code, options, &gm, 0, NULL, &transform) | |
2307 | != GDI_ERROR) | |
2308 | { | |
2309 | metrics->lbearing = gm.gmptGlyphOrigin.x; | |
2310 | metrics->rbearing = gm.gmptGlyphOrigin.x + gm.gmBlackBoxX; | |
2311 | metrics->width = gm.gmCellIncX; | |
2312 | metrics->status = W32METRIC_SUCCESS; | |
2313 | } | |
9c623c85 JB |
2314 | else |
2315 | metrics->status = W32METRIC_FAIL; | |
34fd2d28 JR |
2316 | } |
2317 | ||
6fe9826d JR |
2318 | DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0, |
2319 | doc: /* Read a font name using a W32 font selection dialog. | |
2320 | Return fontconfig style font string corresponding to the selection. | |
2321 | ||
2322 | If FRAME is omitted or nil, it defaults to the selected frame. | |
1ada3dab | 2323 | If EXCLUDE-PROPORTIONAL is non-nil, exclude proportional fonts |
6fe9826d | 2324 | in the font selection dialog. */) |
5842a27b | 2325 | (Lisp_Object frame, Lisp_Object exclude_proportional) |
6fe9826d JR |
2326 | { |
2327 | FRAME_PTR f = check_x_frame (frame); | |
2328 | CHOOSEFONT cf; | |
2329 | LOGFONT lf; | |
2330 | TEXTMETRIC tm; | |
2331 | HDC hdc; | |
2332 | HANDLE oldobj; | |
2333 | char buf[100]; | |
2334 | ||
72af86bd AS |
2335 | memset (&cf, 0, sizeof (cf)); |
2336 | memset (&lf, 0, sizeof (lf)); | |
6fe9826d JR |
2337 | |
2338 | cf.lStructSize = sizeof (cf); | |
2339 | cf.hwndOwner = FRAME_W32_WINDOW (f); | |
2340 | cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS; | |
2341 | ||
1ada3dab | 2342 | /* If exclude_proportional is non-nil, limit the selection to |
6fe9826d | 2343 | monospaced fonts. */ |
1ada3dab | 2344 | if (!NILP (exclude_proportional)) |
6fe9826d JR |
2345 | cf.Flags |= CF_FIXEDPITCHONLY; |
2346 | ||
2347 | cf.lpLogFont = &lf; | |
2348 | ||
2349 | /* Initialize as much of the font details as we can from the current | |
2350 | default font. */ | |
2351 | hdc = GetDC (FRAME_W32_WINDOW (f)); | |
c35f9821 | 2352 | oldobj = SelectObject (hdc, FONT_HANDLE (FRAME_FONT (f))); |
6fe9826d JR |
2353 | GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName); |
2354 | if (GetTextMetrics (hdc, &tm)) | |
2355 | { | |
2356 | lf.lfHeight = tm.tmInternalLeading - tm.tmHeight; | |
2357 | lf.lfWeight = tm.tmWeight; | |
2358 | lf.lfItalic = tm.tmItalic; | |
2359 | lf.lfUnderline = tm.tmUnderlined; | |
2360 | lf.lfStrikeOut = tm.tmStruckOut; | |
2361 | lf.lfCharSet = tm.tmCharSet; | |
2362 | cf.Flags |= CF_INITTOLOGFONTSTRUCT; | |
2363 | } | |
2364 | SelectObject (hdc, oldobj); | |
2365 | ReleaseDC (FRAME_W32_WINDOW (f), hdc); | |
2366 | ||
2367 | if (!ChooseFont (&cf) | |
2368 | || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0) | |
2369 | return Qnil; | |
2370 | ||
e6df5336 | 2371 | return DECODE_SYSTEM (build_string (buf)); |
6fe9826d JR |
2372 | } |
2373 | ||
3106121c | 2374 | static const char *const w32font_booleans [] = { |
9fa82824 DP |
2375 | NULL, |
2376 | }; | |
2377 | ||
3106121c | 2378 | static const char *const w32font_non_booleans [] = { |
9fa82824 DP |
2379 | ":script", |
2380 | ":antialias", | |
2381 | ":style", | |
2382 | NULL, | |
2383 | }; | |
2384 | ||
2385 | static void | |
220d91b8 | 2386 | w32font_filter_properties (Lisp_Object font, Lisp_Object alist) |
9fa82824 DP |
2387 | { |
2388 | font_filter_properties (font, alist, w32font_booleans, w32font_non_booleans); | |
2389 | } | |
2390 | ||
f7a84cb4 JR |
2391 | struct font_driver w32font_driver = |
2392 | { | |
8eac0c84 | 2393 | 0, /* Qgdi */ |
5f18d119 | 2394 | 0, /* case insensitive */ |
f7a84cb4 JR |
2395 | w32font_get_cache, |
2396 | w32font_list, | |
2397 | w32font_match, | |
2398 | w32font_list_family, | |
2399 | NULL, /* free_entity */ | |
2400 | w32font_open, | |
2401 | w32font_close, | |
2402 | NULL, /* prepare_face */ | |
2403 | NULL, /* done_face */ | |
2404 | w32font_has_char, | |
2405 | w32font_encode_char, | |
2406 | w32font_text_extents, | |
2407 | w32font_draw, | |
2408 | NULL, /* get_bitmap */ | |
2409 | NULL, /* free_bitmap */ | |
2410 | NULL, /* get_outline */ | |
2411 | NULL, /* free_outline */ | |
2412 | NULL, /* anchor_point */ | |
2413 | NULL, /* otf_capability */ | |
5b0c3446 JR |
2414 | NULL, /* otf_drive */ |
2415 | NULL, /* start_for_frame */ | |
2416 | NULL, /* end_for_frame */ | |
637fa988 JD |
2417 | NULL, /* shape */ |
2418 | NULL, /* check */ | |
2419 | NULL, /* get_variation_glyphs */ | |
9fa82824 | 2420 | w32font_filter_properties, |
f7a84cb4 JR |
2421 | }; |
2422 | ||
f7a84cb4 JR |
2423 | |
2424 | /* Initialize state that does not change between invocations. This is only | |
2425 | called when Emacs is dumped. */ | |
20399669 | 2426 | void |
b56ceb92 | 2427 | syms_of_w32font (void) |
f7a84cb4 | 2428 | { |
8eac0c84 | 2429 | DEFSYM (Qgdi, "gdi"); |
34fd2d28 JR |
2430 | DEFSYM (Quniscribe, "uniscribe"); |
2431 | DEFSYM (QCformat, ":format"); | |
d205d43b JR |
2432 | |
2433 | /* Generic font families. */ | |
2434 | DEFSYM (Qmonospace, "monospace"); | |
2435 | DEFSYM (Qserif, "serif"); | |
9e1a2995 | 2436 | DEFSYM (Qsansserif, "sansserif"); |
f7a84cb4 | 2437 | DEFSYM (Qscript, "script"); |
d205d43b JR |
2438 | DEFSYM (Qdecorative, "decorative"); |
2439 | /* Aliases. */ | |
9e1a2995 | 2440 | DEFSYM (Qsans_serif, "sans_serif"); |
d205d43b JR |
2441 | DEFSYM (Qsans, "sans"); |
2442 | DEFSYM (Qmono, "mono"); | |
2443 | ||
2444 | /* Fake foundries. */ | |
2445 | DEFSYM (Qraster, "raster"); | |
2446 | DEFSYM (Qoutline, "outline"); | |
f7a84cb4 | 2447 | DEFSYM (Qunknown, "unknown"); |
d205d43b | 2448 | |
91583281 JR |
2449 | /* Antialiasing. */ |
2450 | DEFSYM (Qstandard, "standard"); | |
2451 | DEFSYM (Qsubpixel, "subpixel"); | |
2452 | DEFSYM (Qnatural, "natural"); | |
d205d43b | 2453 | |
8f112d52 | 2454 | /* Languages */ |
8f112d52 JR |
2455 | DEFSYM (Qzh, "zh"); |
2456 | ||
d205d43b JR |
2457 | /* Scripts */ |
2458 | DEFSYM (Qlatin, "latin"); | |
2459 | DEFSYM (Qgreek, "greek"); | |
2460 | DEFSYM (Qcoptic, "coptic"); | |
2461 | DEFSYM (Qcyrillic, "cyrillic"); | |
2462 | DEFSYM (Qarmenian, "armenian"); | |
2463 | DEFSYM (Qhebrew, "hebrew"); | |
2464 | DEFSYM (Qarabic, "arabic"); | |
2465 | DEFSYM (Qsyriac, "syriac"); | |
2466 | DEFSYM (Qnko, "nko"); | |
2467 | DEFSYM (Qthaana, "thaana"); | |
2468 | DEFSYM (Qdevanagari, "devanagari"); | |
2469 | DEFSYM (Qbengali, "bengali"); | |
2470 | DEFSYM (Qgurmukhi, "gurmukhi"); | |
2471 | DEFSYM (Qgujarati, "gujarati"); | |
2472 | DEFSYM (Qoriya, "oriya"); | |
2473 | DEFSYM (Qtamil, "tamil"); | |
2474 | DEFSYM (Qtelugu, "telugu"); | |
2475 | DEFSYM (Qkannada, "kannada"); | |
2476 | DEFSYM (Qmalayalam, "malayalam"); | |
2477 | DEFSYM (Qsinhala, "sinhala"); | |
2478 | DEFSYM (Qthai, "thai"); | |
2479 | DEFSYM (Qlao, "lao"); | |
2480 | DEFSYM (Qtibetan, "tibetan"); | |
2481 | DEFSYM (Qmyanmar, "myanmar"); | |
2482 | DEFSYM (Qgeorgian, "georgian"); | |
2483 | DEFSYM (Qhangul, "hangul"); | |
2484 | DEFSYM (Qethiopic, "ethiopic"); | |
2485 | DEFSYM (Qcherokee, "cherokee"); | |
2486 | DEFSYM (Qcanadian_aboriginal, "canadian-aboriginal"); | |
2487 | DEFSYM (Qogham, "ogham"); | |
2488 | DEFSYM (Qrunic, "runic"); | |
2489 | DEFSYM (Qkhmer, "khmer"); | |
2490 | DEFSYM (Qmongolian, "mongolian"); | |
2491 | DEFSYM (Qsymbol, "symbol"); | |
2492 | DEFSYM (Qbraille, "braille"); | |
2493 | DEFSYM (Qhan, "han"); | |
2494 | DEFSYM (Qideographic_description, "ideographic-description"); | |
2495 | DEFSYM (Qcjk_misc, "cjk-misc"); | |
2496 | DEFSYM (Qkana, "kana"); | |
2497 | DEFSYM (Qbopomofo, "bopomofo"); | |
2498 | DEFSYM (Qkanbun, "kanbun"); | |
2499 | DEFSYM (Qyi, "yi"); | |
2500 | DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol"); | |
2501 | DEFSYM (Qmusical_symbol, "musical-symbol"); | |
2502 | DEFSYM (Qmathematical, "mathematical"); | |
174f1c74 | 2503 | DEFSYM (Qcham, "cham"); |
56df6710 JR |
2504 | DEFSYM (Qphonetic, "phonetic"); |
2505 | DEFSYM (Qbalinese, "balinese"); | |
2506 | DEFSYM (Qbuginese, "buginese"); | |
2507 | DEFSYM (Qbuhid, "buhid"); | |
2508 | DEFSYM (Qcuneiform, "cuneiform"); | |
2509 | DEFSYM (Qcypriot, "cypriot"); | |
2510 | DEFSYM (Qdeseret, "deseret"); | |
2511 | DEFSYM (Qglagolitic, "glagolitic"); | |
2512 | DEFSYM (Qgothic, "gothic"); | |
2513 | DEFSYM (Qhanunoo, "hanunoo"); | |
2514 | DEFSYM (Qkharoshthi, "kharoshthi"); | |
2515 | DEFSYM (Qlimbu, "limbu"); | |
2516 | DEFSYM (Qlinear_b, "linear_b"); | |
2517 | DEFSYM (Qold_italic, "old_italic"); | |
2518 | DEFSYM (Qold_persian, "old_persian"); | |
2519 | DEFSYM (Qosmanya, "osmanya"); | |
2520 | DEFSYM (Qphags_pa, "phags-pa"); | |
2521 | DEFSYM (Qphoenician, "phoenician"); | |
2522 | DEFSYM (Qshavian, "shavian"); | |
2523 | DEFSYM (Qsyloti_nagri, "syloti_nagri"); | |
2524 | DEFSYM (Qtagalog, "tagalog"); | |
2525 | DEFSYM (Qtagbanwa, "tagbanwa"); | |
2526 | DEFSYM (Qtai_le, "tai_le"); | |
2527 | DEFSYM (Qtifinagh, "tifinagh"); | |
2528 | DEFSYM (Qugaritic, "ugaritic"); | |
d205d43b | 2529 | |
57016d37 JR |
2530 | /* W32 font encodings. */ |
2531 | DEFVAR_LISP ("w32-charset-info-alist", | |
29208e82 | 2532 | Vw32_charset_info_alist, |
57016d37 JR |
2533 | doc: /* Alist linking Emacs character sets to Windows fonts and codepages. |
2534 | Each entry should be of the form: | |
2535 | ||
2536 | (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)) | |
2537 | ||
2538 | where CHARSET_NAME is a string used in font names to identify the charset, | |
2539 | WINDOWS_CHARSET is a symbol that can be one of: | |
2540 | ||
2541 | w32-charset-ansi, w32-charset-default, w32-charset-symbol, | |
2542 | w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312, | |
2543 | w32-charset-chinesebig5, w32-charset-johab, w32-charset-hebrew, | |
2544 | w32-charset-arabic, w32-charset-greek, w32-charset-turkish, | |
2545 | w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope, | |
2546 | w32-charset-russian, w32-charset-mac, w32-charset-baltic, | |
2547 | or w32-charset-oem. | |
2548 | ||
2549 | CODEPAGE should be an integer specifying the codepage that should be used | |
2550 | to display the character set, t to do no translation and output as Unicode, | |
2551 | or nil to do no translation and output as 8 bit (or multibyte on far-east | |
2552 | versions of Windows) characters. */); | |
2553 | Vw32_charset_info_alist = Qnil; | |
2554 | ||
2555 | DEFSYM (Qw32_charset_ansi, "w32-charset-ansi"); | |
2556 | DEFSYM (Qw32_charset_symbol, "w32-charset-symbol"); | |
2557 | DEFSYM (Qw32_charset_default, "w32-charset-default"); | |
2558 | DEFSYM (Qw32_charset_shiftjis, "w32-charset-shiftjis"); | |
2559 | DEFSYM (Qw32_charset_hangeul, "w32-charset-hangeul"); | |
2560 | DEFSYM (Qw32_charset_chinesebig5, "w32-charset-chinesebig5"); | |
2561 | DEFSYM (Qw32_charset_gb2312, "w32-charset-gb2312"); | |
2562 | DEFSYM (Qw32_charset_oem, "w32-charset-oem"); | |
2563 | DEFSYM (Qw32_charset_johab, "w32-charset-johab"); | |
2564 | DEFSYM (Qw32_charset_easteurope, "w32-charset-easteurope"); | |
2565 | DEFSYM (Qw32_charset_turkish, "w32-charset-turkish"); | |
2566 | DEFSYM (Qw32_charset_baltic, "w32-charset-baltic"); | |
2567 | DEFSYM (Qw32_charset_russian, "w32-charset-russian"); | |
2568 | DEFSYM (Qw32_charset_arabic, "w32-charset-arabic"); | |
2569 | DEFSYM (Qw32_charset_greek, "w32-charset-greek"); | |
2570 | DEFSYM (Qw32_charset_hebrew, "w32-charset-hebrew"); | |
2571 | DEFSYM (Qw32_charset_vietnamese, "w32-charset-vietnamese"); | |
2572 | DEFSYM (Qw32_charset_thai, "w32-charset-thai"); | |
2573 | DEFSYM (Qw32_charset_mac, "w32-charset-mac"); | |
2574 | ||
6fe9826d JR |
2575 | defsubr (&Sx_select_font); |
2576 | ||
8eac0c84 | 2577 | w32font_driver.type = Qgdi; |
f7a84cb4 JR |
2578 | register_font_driver (&w32font_driver, NULL); |
2579 | } | |
6d8c85b5 | 2580 |