* admin/charsets/mule-charsets.el (header): Fix typo.
[emacs.git] / src / w32font.c
blobcfd453282dde19f7588de26b6dcaed1e028e48a8
1 /* Font backend for the Microsoft Windows API.
2 Copyright (C) 2007-2012 Free Software Foundation, Inc.
4 This file is part of GNU Emacs.
6 GNU Emacs is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
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.
16 You should have received a copy of the GNU General Public License
17 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
19 #include <config.h>
20 #include <windows.h>
21 #include <math.h>
22 #include <ctype.h>
23 #include <commdlg.h>
24 #include <setjmp.h>
26 #include "lisp.h"
27 #include "w32term.h"
28 #include "frame.h"
29 #include "dispextern.h"
30 #include "character.h"
31 #include "charset.h"
32 #include "coding.h"
33 #include "fontset.h"
34 #include "font.h"
35 #include "w32font.h"
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.
41 #ifndef CLEARTYPE_QUALITY
42 #define CLEARTYPE_QUALITY 5
43 #endif
44 #ifndef CLEARTYPE_NATURAL_QUALITY
45 #define CLEARTYPE_NATURAL_QUALITY 6
46 #endif
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
57 Lisp_Object Qgdi;
58 Lisp_Object Quniscribe;
59 static Lisp_Object QCformat;
60 static Lisp_Object Qmonospace, Qsansserif, Qmono, Qsans, Qsans_serif;
61 static Lisp_Object Qserif, Qscript, Qdecorative;
62 static Lisp_Object Qraster, Qoutline, Qunknown;
64 /* antialiasing */
65 static Lisp_Object Qstandard, Qsubpixel, Qnatural;
67 /* languages */
68 static Lisp_Object Qzh;
70 /* scripts */
71 static Lisp_Object Qgreek, Qcoptic, Qcyrillic, Qarmenian, Qhebrew;
72 static Lisp_Object Qarabic, Qsyriac, Qnko, Qthaana, Qdevanagari, Qbengali;
73 static Lisp_Object Qgurmukhi, Qgujarati, Qoriya, Qtamil, Qtelugu;
74 static Lisp_Object Qkannada, Qmalayalam, Qsinhala, Qthai, Qlao;
75 static Lisp_Object Qtibetan, Qmyanmar, Qgeorgian, Qhangul, Qethiopic;
76 static Lisp_Object Qcherokee, Qcanadian_aboriginal, Qogham, Qrunic;
77 static Lisp_Object Qkhmer, Qmongolian, Qbraille, Qhan;
78 static Lisp_Object Qideographic_description, Qcjk_misc, Qkana, Qbopomofo;
79 static Lisp_Object Qkanbun, Qyi, Qbyzantine_musical_symbol;
80 static Lisp_Object Qmusical_symbol, Qmathematical, Qcham, Qphonetic;
81 /* Not defined in characters.el, but referenced in fontset.el. */
82 static Lisp_Object Qbalinese, Qbuginese, Qbuhid, Qcuneiform, Qcypriot;
83 static Lisp_Object Qdeseret, Qglagolitic, Qgothic, Qhanunoo, Qkharoshthi;
84 static Lisp_Object Qlimbu, Qlinear_b, Qold_italic, Qold_persian, Qosmanya;
85 static Lisp_Object Qphags_pa, Qphoenician, Qshavian, Qsyloti_nagri;
86 static Lisp_Object Qtagalog, Qtagbanwa, Qtai_le, Qtifinagh, Qugaritic;
88 /* W32 charsets: for use in Vw32_charset_info_alist. */
89 static Lisp_Object Qw32_charset_ansi, Qw32_charset_default;
90 static Lisp_Object Qw32_charset_symbol, Qw32_charset_shiftjis;
91 static Lisp_Object Qw32_charset_hangeul, Qw32_charset_gb2312;
92 static Lisp_Object Qw32_charset_chinesebig5, Qw32_charset_oem;
93 static Lisp_Object Qw32_charset_easteurope, Qw32_charset_turkish;
94 static Lisp_Object Qw32_charset_baltic, Qw32_charset_russian;
95 static Lisp_Object Qw32_charset_arabic, Qw32_charset_greek;
96 static Lisp_Object Qw32_charset_hebrew, Qw32_charset_vietnamese;
97 static Lisp_Object Qw32_charset_thai, Qw32_charset_johab, Qw32_charset_mac;
99 /* Font spacing symbols - defined in font.c. */
100 extern Lisp_Object Qc, Qp, Qm;
102 static void fill_in_logfont (FRAME_PTR, LOGFONT *, Lisp_Object);
104 static BYTE w32_antialias_type (Lisp_Object);
105 static Lisp_Object lispy_antialias_type (BYTE);
107 static Lisp_Object font_supported_scripts (FONTSIGNATURE *);
108 static int w32font_full_name (LOGFONT *, Lisp_Object, int, char *, int);
109 static void compute_metrics (HDC, struct w32font_info *, unsigned int,
110 struct w32_metric_cache *);
112 static Lisp_Object w32_registry (LONG, DWORD);
114 /* EnumFontFamiliesEx callbacks. */
115 static int CALLBACK add_font_entity_to_list (ENUMLOGFONTEX *,
116 NEWTEXTMETRICEX *,
117 DWORD, LPARAM);
118 static int CALLBACK add_one_font_entity_to_list (ENUMLOGFONTEX *,
119 NEWTEXTMETRICEX *,
120 DWORD, LPARAM);
121 static int CALLBACK add_font_name_to_list (ENUMLOGFONTEX *,
122 NEWTEXTMETRICEX *,
123 DWORD, LPARAM);
125 /* struct passed in as LPARAM arg to EnumFontFamiliesEx, for keeping track
126 of what we really want. */
127 struct font_callback_data
129 /* The logfont we are matching against. EnumFontFamiliesEx only matches
130 face name and charset, so we need to manually match everything else
131 in the callback function. */
132 LOGFONT pattern;
133 /* The original font spec or entity. */
134 Lisp_Object orig_font_spec;
135 /* The frame the font is being loaded on. */
136 Lisp_Object frame;
137 /* The list to add matches to. */
138 Lisp_Object list;
139 /* Whether to match only opentype fonts. */
140 int opentype_only;
143 /* Handles the problem that EnumFontFamiliesEx will not return all
144 style variations if the font name is not specified. */
145 static void list_all_matching_fonts (struct font_callback_data *);
147 static BOOL g_b_init_is_w9x;
148 static BOOL g_b_init_get_outline_metrics_w;
149 static BOOL g_b_init_get_text_metrics_w;
150 static BOOL g_b_init_get_glyph_outline_w;
151 static BOOL g_b_init_get_glyph_outline_w;
153 typedef UINT (WINAPI * GetOutlineTextMetricsW_Proc) (
154 HDC hdc,
155 UINT cbData,
156 LPOUTLINETEXTMETRICW lpotmw);
157 typedef BOOL (WINAPI * GetTextMetricsW_Proc) (
158 HDC hdc,
159 LPTEXTMETRICW lptmw);
160 typedef DWORD (WINAPI * GetGlyphOutlineW_Proc) (
161 HDC hdc,
162 UINT uChar,
163 UINT uFormat,
164 LPGLYPHMETRICS lpgm,
165 DWORD cbBuffer,
166 LPVOID lpvBuffer,
167 const MAT2 *lpmat2);
169 /* Several "wide" functions we use to support the font backends are
170 unavailable on Windows 9X, unless UNICOWS.DLL is installed (their
171 versions in the default libraries are non-functional stubs). On NT
172 and later systems, these functions are in GDI32.DLL. The following
173 helper function attempts to load UNICOWS.DLL on Windows 9X, and
174 refuses to let Emacs start up if that library is not found. On NT
175 and later versions, it simply loads GDI32.DLL, which should always
176 be available. */
177 static HMODULE
178 w32_load_unicows_or_gdi32 (void)
180 static BOOL is_9x = 0;
181 OSVERSIONINFO os_ver;
182 HMODULE ret;
183 if (g_b_init_is_w9x == 0)
185 g_b_init_is_w9x = 1;
186 ZeroMemory (&os_ver, sizeof (OSVERSIONINFO));
187 os_ver.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
188 if (GetVersionEx (&os_ver))
189 is_9x = (os_ver.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS);
191 if (is_9x)
193 ret = LoadLibrary ("Unicows.dll");
194 if (!ret)
196 int button;
198 button = MessageBox (NULL,
199 "Emacs cannot load the UNICOWS.DLL library.\n"
200 "This library is essential for using Emacs\n"
201 "on this system. You need to install it.\n\n"
202 "However, you can still use Emacs by invoking\n"
203 "it with the '-nw' command-line option.\n\n"
204 "Emacs will exit when you click OK.",
205 "Emacs cannot load UNICOWS.DLL",
206 MB_ICONERROR | MB_TASKMODAL
207 | MB_SETFOREGROUND | MB_OK);
208 switch (button)
210 case IDOK:
211 default:
212 exit (1);
216 else
217 ret = LoadLibrary ("Gdi32.dll");
218 return ret;
221 /* The following 3 functions call the problematic "wide" APIs via
222 function pointers, to avoid linking against the non-standard
223 libunicows on W9X. */
224 static UINT WINAPI
225 get_outline_metrics_w(HDC hdc, UINT cbData, LPOUTLINETEXTMETRICW lpotmw)
227 static GetOutlineTextMetricsW_Proc s_pfn_Get_Outline_Text_MetricsW = NULL;
228 HMODULE hm_unicows = NULL;
229 if (g_b_init_get_outline_metrics_w == 0)
231 g_b_init_get_outline_metrics_w = 1;
232 hm_unicows = w32_load_unicows_or_gdi32 ();
233 if (hm_unicows)
234 s_pfn_Get_Outline_Text_MetricsW = (GetOutlineTextMetricsW_Proc)
235 GetProcAddress (hm_unicows, "GetOutlineTextMetricsW");
237 eassert (s_pfn_Get_Outline_Text_MetricsW != NULL);
238 return s_pfn_Get_Outline_Text_MetricsW (hdc, cbData, lpotmw);
241 static BOOL WINAPI
242 get_text_metrics_w(HDC hdc, LPTEXTMETRICW lptmw)
244 static GetTextMetricsW_Proc s_pfn_Get_Text_MetricsW = NULL;
245 HMODULE hm_unicows = NULL;
246 if (g_b_init_get_text_metrics_w == 0)
248 g_b_init_get_text_metrics_w = 1;
249 hm_unicows = w32_load_unicows_or_gdi32 ();
250 if (hm_unicows)
251 s_pfn_Get_Text_MetricsW = (GetTextMetricsW_Proc)
252 GetProcAddress (hm_unicows, "GetTextMetricsW");
254 eassert (s_pfn_Get_Text_MetricsW != NULL);
255 return s_pfn_Get_Text_MetricsW (hdc, lptmw);
258 static DWORD WINAPI
259 get_glyph_outline_w (HDC hdc, UINT uChar, UINT uFormat, LPGLYPHMETRICS lpgm,
260 DWORD cbBuffer, LPVOID lpvBuffer, const MAT2 *lpmat2)
262 static GetGlyphOutlineW_Proc s_pfn_Get_Glyph_OutlineW = NULL;
263 HMODULE hm_unicows = NULL;
264 if (g_b_init_get_glyph_outline_w == 0)
266 g_b_init_get_glyph_outline_w = 1;
267 hm_unicows = w32_load_unicows_or_gdi32 ();
268 if (hm_unicows)
269 s_pfn_Get_Glyph_OutlineW = (GetGlyphOutlineW_Proc)
270 GetProcAddress (hm_unicows, "GetGlyphOutlineW");
272 eassert (s_pfn_Get_Glyph_OutlineW != NULL);
273 return s_pfn_Get_Glyph_OutlineW (hdc, uChar, uFormat, lpgm, cbBuffer,
274 lpvBuffer, lpmat2);
277 static int
278 memq_no_quit (Lisp_Object elt, Lisp_Object list)
280 while (CONSP (list) && ! EQ (XCAR (list), elt))
281 list = XCDR (list);
282 return (CONSP (list));
285 Lisp_Object
286 intern_font_name (char * string)
288 Lisp_Object str = DECODE_SYSTEM (build_string (string));
289 int len = SCHARS (str);
290 Lisp_Object obarray = check_obarray (Vobarray);
291 Lisp_Object tem = oblookup (obarray, SDATA (str), len, len);
292 /* This code is similar to intern function from lread.c. */
293 return SYMBOLP (tem) ? tem : Fintern (str, obarray);
296 /* w32 implementation of get_cache for font backend.
297 Return a cache of font-entities on FRAME. The cache must be a
298 cons whose cdr part is the actual cache area. */
299 Lisp_Object
300 w32font_get_cache (FRAME_PTR f)
302 struct w32_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f);
304 return (dpyinfo->name_list_element);
307 /* w32 implementation of list for font backend.
308 List fonts exactly matching with FONT_SPEC on FRAME. The value
309 is a vector of font-entities. This is the sole API that
310 allocates font-entities. */
311 static Lisp_Object
312 w32font_list (Lisp_Object frame, Lisp_Object font_spec)
314 Lisp_Object fonts = w32font_list_internal (frame, font_spec, 0);
315 FONT_ADD_LOG ("w32font-list", font_spec, fonts);
316 return fonts;
319 /* w32 implementation of match for font backend.
320 Return a font entity most closely matching with FONT_SPEC on
321 FRAME. The closeness is determined by the font backend, thus
322 `face-font-selection-order' is ignored here. */
323 static Lisp_Object
324 w32font_match (Lisp_Object frame, Lisp_Object font_spec)
326 Lisp_Object entity = w32font_match_internal (frame, font_spec, 0);
327 FONT_ADD_LOG ("w32font-match", font_spec, entity);
328 return entity;
331 /* w32 implementation of list_family for font backend.
332 List available families. The value is a list of family names
333 (symbols). */
334 static Lisp_Object
335 w32font_list_family (Lisp_Object frame)
337 Lisp_Object list = Qnil;
338 LOGFONT font_match_pattern;
339 HDC dc;
340 FRAME_PTR f = XFRAME (frame);
342 memset (&font_match_pattern, 0, sizeof (font_match_pattern));
343 font_match_pattern.lfCharSet = DEFAULT_CHARSET;
345 dc = get_frame_dc (f);
347 EnumFontFamiliesEx (dc, &font_match_pattern,
348 (FONTENUMPROC) add_font_name_to_list,
349 (LPARAM) &list, 0);
350 release_frame_dc (f, dc);
352 return list;
355 /* w32 implementation of open for font backend.
356 Open a font specified by FONT_ENTITY on frame F.
357 If the font is scalable, open it with PIXEL_SIZE. */
358 static Lisp_Object
359 w32font_open (FRAME_PTR f, Lisp_Object font_entity, int pixel_size)
361 Lisp_Object font_object
362 = font_make_object (VECSIZE (struct w32font_info),
363 font_entity, pixel_size);
364 struct w32font_info *w32_font
365 = (struct w32font_info *) XFONT_OBJECT (font_object);
367 ASET (font_object, FONT_TYPE_INDEX, Qgdi);
369 if (!w32font_open_internal (f, font_entity, pixel_size, font_object))
371 return Qnil;
374 /* GDI backend does not use glyph indices. */
375 w32_font->glyph_idx = 0;
377 return font_object;
380 /* w32 implementation of close for font_backend.
381 Close FONT on frame F. */
382 void
383 w32font_close (FRAME_PTR f, struct font *font)
385 int i;
386 struct w32font_info *w32_font = (struct w32font_info *) font;
388 /* Delete the GDI font object. */
389 DeleteObject (w32_font->hfont);
391 /* Free all the cached metrics. */
392 if (w32_font->cached_metrics)
394 for (i = 0; i < w32_font->n_cache_blocks; i++)
396 xfree (w32_font->cached_metrics[i]);
398 xfree (w32_font->cached_metrics);
399 w32_font->cached_metrics = NULL;
403 /* w32 implementation of has_char for font backend.
404 Optional.
405 If FONT_ENTITY has a glyph for character C (Unicode code point),
406 return 1. If not, return 0. If a font must be opened to check
407 it, return -1. */
409 w32font_has_char (Lisp_Object entity, int c)
411 /* We can't be certain about which characters a font will support until
412 we open it. Checking the scripts that the font supports turns out
413 to not be reliable. */
414 return -1;
416 #if 0
417 Lisp_Object supported_scripts, extra, script;
418 DWORD mask;
420 extra = AREF (entity, FONT_EXTRA_INDEX);
421 if (!CONSP (extra))
422 return -1;
424 supported_scripts = assq_no_quit (QCscript, extra);
425 /* If font doesn't claim to support any scripts, then we can't be certain
426 until we open it. */
427 if (!CONSP (supported_scripts))
428 return -1;
430 supported_scripts = XCDR (supported_scripts);
432 script = CHAR_TABLE_REF (Vchar_script_table, c);
434 /* If we don't know what script the character is from, then we can't be
435 certain until we open it. Also if the font claims support for the script
436 the character is from, it may only have partial coverage, so we still
437 can't be certain until we open the font. */
438 if (NILP (script) || memq_no_quit (script, supported_scripts))
439 return -1;
441 /* Font reports what scripts it supports, and none of them are the script
442 the character is from. But we still can't be certain, as some fonts
443 will contain some/most/all of the characters in that script without
444 claiming support for it. */
445 return -1;
446 #endif
449 /* w32 implementation of encode_char for font backend.
450 Return a glyph code of FONT for character C (Unicode code point).
451 If FONT doesn't have such a glyph, return FONT_INVALID_CODE.
453 For speed, the gdi backend uses Unicode (Emacs calls encode_char
454 far too often for it to be efficient). But we still need to detect
455 which characters are not supported by the font.
457 static unsigned
458 w32font_encode_char (struct font *font, int c)
460 struct w32font_info * w32_font = (struct w32font_info *)font;
462 if (c < w32_font->metrics.tmFirstChar
463 || c > w32_font->metrics.tmLastChar)
464 return FONT_INVALID_CODE;
465 else
466 return c;
469 /* w32 implementation of text_extents for font backend.
470 Perform the size computation of glyphs of FONT and fillin members
471 of METRICS. The glyphs are specified by their glyph codes in
472 CODE (length NGLYPHS). Apparently metrics can be NULL, in this
473 case just return the overall width. */
475 w32font_text_extents (struct font *font, unsigned *code,
476 int nglyphs, struct font_metrics *metrics)
478 int i;
479 HFONT old_font = NULL;
480 HDC dc = NULL;
481 struct frame * f;
482 int total_width = 0;
483 WORD *wcode;
484 SIZE size;
486 struct w32font_info *w32_font = (struct w32font_info *) font;
488 if (metrics)
490 memset (metrics, 0, sizeof (struct font_metrics));
491 metrics->ascent = font->ascent;
492 metrics->descent = font->descent;
494 for (i = 0; i < nglyphs; i++)
496 struct w32_metric_cache *char_metric;
497 int block = *(code + i) / CACHE_BLOCKSIZE;
498 int pos_in_block = *(code + i) % CACHE_BLOCKSIZE;
500 if (block >= w32_font->n_cache_blocks)
502 if (!w32_font->cached_metrics)
503 w32_font->cached_metrics
504 = xmalloc ((block + 1)
505 * sizeof (struct w32_metric_cache *));
506 else
507 w32_font->cached_metrics
508 = xrealloc (w32_font->cached_metrics,
509 (block + 1)
510 * sizeof (struct w32_metric_cache *));
511 memset (w32_font->cached_metrics + w32_font->n_cache_blocks, 0,
512 ((block + 1 - w32_font->n_cache_blocks)
513 * sizeof (struct w32_metric_cache *)));
514 w32_font->n_cache_blocks = block + 1;
517 if (!w32_font->cached_metrics[block])
519 w32_font->cached_metrics[block]
520 = xzalloc (CACHE_BLOCKSIZE * sizeof (struct w32_metric_cache));
523 char_metric = w32_font->cached_metrics[block] + pos_in_block;
525 if (char_metric->status == W32METRIC_NO_ATTEMPT)
527 if (dc == NULL)
529 /* TODO: Frames can come and go, and their fonts
530 outlive them. So we can't cache the frame in the
531 font structure. Use selected_frame until the API
532 is updated to pass in a frame. */
533 f = XFRAME (selected_frame);
535 dc = get_frame_dc (f);
536 old_font = SelectObject (dc, w32_font->hfont);
538 compute_metrics (dc, w32_font, *(code + i), char_metric);
541 if (char_metric->status == W32METRIC_SUCCESS)
543 metrics->lbearing = min (metrics->lbearing,
544 metrics->width + char_metric->lbearing);
545 metrics->rbearing = max (metrics->rbearing,
546 metrics->width + char_metric->rbearing);
547 metrics->width += char_metric->width;
549 else
550 /* If we couldn't get metrics for a char,
551 use alternative method. */
552 break;
554 /* If we got through everything, return. */
555 if (i == nglyphs)
557 if (dc != NULL)
559 /* Restore state and release DC. */
560 SelectObject (dc, old_font);
561 release_frame_dc (f, dc);
564 return metrics->width;
568 /* For non-truetype fonts, GetGlyphOutlineW is not supported, so
569 fallback on other methods that will at least give some of the metric
570 information. */
572 /* Make array big enough to hold surrogates. */
573 wcode = alloca (nglyphs * sizeof (WORD) * 2);
574 for (i = 0; i < nglyphs; i++)
576 if (code[i] < 0x10000)
577 wcode[i] = code[i];
578 else
580 DWORD surrogate = code[i] - 0x10000;
582 /* High surrogate: U+D800 - U+DBFF. */
583 wcode[i++] = 0xD800 + ((surrogate >> 10) & 0x03FF);
584 /* Low surrogate: U+DC00 - U+DFFF. */
585 wcode[i] = 0xDC00 + (surrogate & 0x03FF);
586 /* An extra glyph. wcode is already double the size of code to
587 cope with this. */
588 nglyphs++;
592 if (dc == NULL)
594 /* TODO: Frames can come and go, and their fonts outlive
595 them. So we can't cache the frame in the font structure. Use
596 selected_frame until the API is updated to pass in a
597 frame. */
598 f = XFRAME (selected_frame);
600 dc = get_frame_dc (f);
601 old_font = SelectObject (dc, w32_font->hfont);
604 if (GetTextExtentPoint32W (dc, wcode, nglyphs, &size))
606 total_width = size.cx;
609 /* On 95/98/ME, only some Unicode functions are available, so fallback
610 on doing a dummy draw to find the total width. */
611 if (!total_width)
613 RECT rect;
614 rect.top = 0; rect.bottom = font->height; rect.left = 0; rect.right = 1;
615 DrawTextW (dc, wcode, nglyphs, &rect,
616 DT_CALCRECT | DT_NOPREFIX | DT_SINGLELINE);
617 total_width = rect.right;
620 /* Give our best estimate of the metrics, based on what we know. */
621 if (metrics)
623 metrics->width = total_width - w32_font->metrics.tmOverhang;
624 metrics->lbearing = 0;
625 metrics->rbearing = total_width;
628 /* Restore state and release DC. */
629 SelectObject (dc, old_font);
630 release_frame_dc (f, dc);
632 return total_width;
635 /* w32 implementation of draw for font backend.
636 Optional.
637 Draw glyphs between FROM and TO of S->char2b at (X Y) pixel
638 position of frame F with S->FACE and S->GC. If WITH_BACKGROUND
639 is nonzero, fill the background in advance. It is assured that
640 WITH_BACKGROUND is zero when (FROM > 0 || TO < S->nchars).
642 TODO: Currently this assumes that the colors and fonts are already
643 set in the DC. This seems to be true now, but maybe only due to
644 the old font code setting it up. It may be safer to resolve faces
645 and fonts in here and set them explicitly
649 w32font_draw (struct glyph_string *s, int from, int to,
650 int x, int y, int with_background)
652 UINT options;
653 HRGN orig_clip = NULL;
654 int len = to - from;
655 struct w32font_info *w32font = (struct w32font_info *) s->font;
657 options = w32font->glyph_idx;
659 if (s->num_clips > 0)
661 HRGN new_clip = CreateRectRgnIndirect (s->clip);
663 /* Save clip region for later restoration. */
664 orig_clip = CreateRectRgn (0, 0, 0, 0);
665 if (!GetClipRgn (s->hdc, orig_clip))
667 DeleteObject (orig_clip);
668 orig_clip = NULL;
671 if (s->num_clips > 1)
673 HRGN clip2 = CreateRectRgnIndirect (s->clip + 1);
675 CombineRgn (new_clip, new_clip, clip2, RGN_OR);
676 DeleteObject (clip2);
679 SelectClipRgn (s->hdc, new_clip);
680 DeleteObject (new_clip);
683 /* Using OPAQUE background mode can clear more background than expected
684 when Cleartype is used. Draw the background manually to avoid this. */
685 SetBkMode (s->hdc, TRANSPARENT);
686 if (with_background)
688 HBRUSH brush;
689 RECT rect;
690 struct font *font = s->font;
692 brush = CreateSolidBrush (s->gc->background);
693 rect.left = x;
694 rect.top = y - font->ascent;
695 rect.right = x + s->width;
696 rect.bottom = y + font->descent;
697 FillRect (s->hdc, &rect, brush);
698 DeleteObject (brush);
701 if (s->padding_p)
703 int i;
705 for (i = 0; i < len; i++)
706 ExtTextOutW (s->hdc, x + i, y, options, NULL,
707 s->char2b + from + i, 1, NULL);
709 else
710 ExtTextOutW (s->hdc, x, y, options, NULL, s->char2b + from, len, NULL);
712 /* Restore clip region. */
713 if (s->num_clips > 0)
714 SelectClipRgn (s->hdc, orig_clip);
716 if (orig_clip)
717 DeleteObject (orig_clip);
719 return len;
722 /* w32 implementation of free_entity for font backend.
723 Optional (if FONT_EXTRA_INDEX is not Lisp_Save_Value).
724 Free FONT_EXTRA_INDEX field of FONT_ENTITY.
725 static void
726 w32font_free_entity (Lisp_Object entity);
729 /* w32 implementation of prepare_face for font backend.
730 Optional (if FACE->extra is not used).
731 Prepare FACE for displaying characters by FONT on frame F by
732 storing some data in FACE->extra. If successful, return 0.
733 Otherwise, return -1.
734 static int
735 w32font_prepare_face (FRAME_PTR f, struct face *face);
737 /* w32 implementation of done_face for font backend.
738 Optional.
739 Done FACE for displaying characters by FACE->font on frame F.
740 static void
741 w32font_done_face (FRAME_PTR f, struct face *face); */
743 /* w32 implementation of get_bitmap for font backend.
744 Optional.
745 Store bitmap data for glyph-code CODE of FONT in BITMAP. It is
746 intended that this method is called from the other font-driver
747 for actual drawing.
748 static int
749 w32font_get_bitmap (struct font *font, unsigned code,
750 struct font_bitmap *bitmap, int bits_per_pixel);
752 /* w32 implementation of free_bitmap for font backend.
753 Optional.
754 Free bitmap data in BITMAP.
755 static void
756 w32font_free_bitmap (struct font *font, struct font_bitmap *bitmap);
758 /* w32 implementation of get_outline for font backend.
759 Optional.
760 Return an outline data for glyph-code CODE of FONT. The format
761 of the outline data depends on the font-driver.
762 static void *
763 w32font_get_outline (struct font *font, unsigned code);
765 /* w32 implementation of free_outline for font backend.
766 Optional.
767 Free OUTLINE (that is obtained by the above method).
768 static void
769 w32font_free_outline (struct font *font, void *outline);
771 /* w32 implementation of anchor_point for font backend.
772 Optional.
773 Get coordinates of the INDEXth anchor point of the glyph whose
774 code is CODE. Store the coordinates in *X and *Y. Return 0 if
775 the operations was successful. Otherwise return -1.
776 static int
777 w32font_anchor_point (struct font *font, unsigned code,
778 int index, int *x, int *y);
780 /* w32 implementation of otf_capability for font backend.
781 Optional.
782 Return a list describing which scripts/languages FONT
783 supports by which GSUB/GPOS features of OpenType tables.
784 static Lisp_Object
785 w32font_otf_capability (struct font *font);
787 /* w32 implementation of otf_drive for font backend.
788 Optional.
789 Apply FONT's OTF-FEATURES to the glyph string.
791 FEATURES specifies which OTF features to apply in this format:
792 (SCRIPT LANGSYS GSUB-FEATURE GPOS-FEATURE)
793 See the documentation of `font-drive-otf' for the detail.
795 This method applies the specified features to the codes in the
796 elements of GSTRING-IN (between FROMth and TOth). The output
797 codes are stored in GSTRING-OUT at the IDXth element and the
798 following elements.
800 Return the number of output codes. If none of the features are
801 applicable to the input data, return 0. If GSTRING-OUT is too
802 short, return -1.
803 static int
804 w32font_otf_drive (struct font *font, Lisp_Object features,
805 Lisp_Object gstring_in, int from, int to,
806 Lisp_Object gstring_out, int idx,
807 int alternate_subst);
810 /* Internal implementation of w32font_list.
811 Additional parameter opentype_only restricts the returned fonts to
812 opentype fonts, which can be used with the Uniscribe backend. */
813 Lisp_Object
814 w32font_list_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only)
816 struct font_callback_data match_data;
817 HDC dc;
818 FRAME_PTR f = XFRAME (frame);
820 match_data.orig_font_spec = font_spec;
821 match_data.list = Qnil;
822 match_data.frame = frame;
824 memset (&match_data.pattern, 0, sizeof (LOGFONT));
825 fill_in_logfont (f, &match_data.pattern, font_spec);
827 /* If the charset is unrecognized, then we won't find a font, so don't
828 waste time looking for one. */
829 if (match_data.pattern.lfCharSet == DEFAULT_CHARSET)
831 Lisp_Object spec_charset = AREF (font_spec, FONT_REGISTRY_INDEX);
832 if (!NILP (spec_charset)
833 && !EQ (spec_charset, Qiso10646_1)
834 && !EQ (spec_charset, Qunicode_bmp)
835 && !EQ (spec_charset, Qunicode_sip)
836 && !EQ (spec_charset, Qunknown))
837 return Qnil;
840 match_data.opentype_only = opentype_only;
841 if (opentype_only)
842 match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS;
844 if (match_data.pattern.lfFaceName[0] == '\0')
846 /* EnumFontFamiliesEx does not take other fields into account if
847 font name is blank, so need to use two passes. */
848 list_all_matching_fonts (&match_data);
850 else
852 dc = get_frame_dc (f);
854 EnumFontFamiliesEx (dc, &match_data.pattern,
855 (FONTENUMPROC) add_font_entity_to_list,
856 (LPARAM) &match_data, 0);
857 release_frame_dc (f, dc);
860 return match_data.list;
863 /* Internal implementation of w32font_match.
864 Additional parameter opentype_only restricts the returned fonts to
865 opentype fonts, which can be used with the Uniscribe backend. */
866 Lisp_Object
867 w32font_match_internal (Lisp_Object frame, Lisp_Object font_spec, int opentype_only)
869 struct font_callback_data match_data;
870 HDC dc;
871 FRAME_PTR f = XFRAME (frame);
873 match_data.orig_font_spec = font_spec;
874 match_data.frame = frame;
875 match_data.list = Qnil;
877 memset (&match_data.pattern, 0, sizeof (LOGFONT));
878 fill_in_logfont (f, &match_data.pattern, font_spec);
880 match_data.opentype_only = opentype_only;
881 if (opentype_only)
882 match_data.pattern.lfOutPrecision = OUT_OUTLINE_PRECIS;
884 dc = get_frame_dc (f);
886 EnumFontFamiliesEx (dc, &match_data.pattern,
887 (FONTENUMPROC) add_one_font_entity_to_list,
888 (LPARAM) &match_data, 0);
889 release_frame_dc (f, dc);
891 return NILP (match_data.list) ? Qnil : XCAR (match_data.list);
895 w32font_open_internal (FRAME_PTR f, Lisp_Object font_entity,
896 int pixel_size, Lisp_Object font_object)
898 int len, size;
899 LOGFONT logfont;
900 HDC dc;
901 HFONT hfont, old_font;
902 Lisp_Object val, extra;
903 struct w32font_info *w32_font;
904 struct font * font;
905 OUTLINETEXTMETRICW* metrics = NULL;
907 w32_font = (struct w32font_info *) XFONT_OBJECT (font_object);
908 font = (struct font *) w32_font;
910 if (!font)
911 return 0;
913 memset (&logfont, 0, sizeof (logfont));
914 fill_in_logfont (f, &logfont, font_entity);
916 /* Prefer truetype fonts, to avoid known problems with type1 fonts, and
917 limitations in bitmap fonts. */
918 val = AREF (font_entity, FONT_FOUNDRY_INDEX);
919 if (!EQ (val, Qraster))
920 logfont.lfOutPrecision = OUT_TT_PRECIS;
922 size = XINT (AREF (font_entity, FONT_SIZE_INDEX));
923 if (!size)
924 size = pixel_size;
926 logfont.lfHeight = -size;
927 hfont = CreateFontIndirect (&logfont);
929 if (hfont == NULL)
930 return 0;
932 /* Get the metrics for this font. */
933 dc = get_frame_dc (f);
934 old_font = SelectObject (dc, hfont);
936 /* Try getting the outline metrics (only works for truetype fonts). */
937 len = get_outline_metrics_w (dc, 0, NULL);
938 if (len)
940 metrics = (OUTLINETEXTMETRICW *) alloca (len);
941 if (get_outline_metrics_w (dc, len, metrics))
942 memcpy (&w32_font->metrics, &metrics->otmTextMetrics,
943 sizeof (TEXTMETRICW));
944 else
945 metrics = NULL;
948 if (!metrics)
949 get_text_metrics_w (dc, &w32_font->metrics);
951 w32_font->cached_metrics = NULL;
952 w32_font->n_cache_blocks = 0;
954 SelectObject (dc, old_font);
955 release_frame_dc (f, dc);
957 w32_font->hfont = hfont;
960 char *name;
962 /* We don't know how much space we need for the full name, so start with
963 96 bytes and go up in steps of 32. */
964 len = 96;
965 name = alloca (len);
966 while (name && w32font_full_name (&logfont, font_entity, pixel_size,
967 name, len) < 0)
969 len += 32;
970 name = alloca (len);
972 if (name)
973 font->props[FONT_FULLNAME_INDEX]
974 = DECODE_SYSTEM (build_string (name));
975 else
976 font->props[FONT_FULLNAME_INDEX]
977 = DECODE_SYSTEM (build_string (logfont.lfFaceName));
980 font->max_width = w32_font->metrics.tmMaxCharWidth;
981 /* Parts of Emacs display assume that height = ascent + descent...
982 so height is defined later, after ascent and descent.
983 font->height = w32_font->metrics.tmHeight
984 + w32_font->metrics.tmExternalLeading;
987 font->space_width = font->average_width = w32_font->metrics.tmAveCharWidth;
989 font->vertical_centering = 0;
990 font->encoding_type = 0;
991 font->baseline_offset = 0;
992 font->relative_compose = 0;
993 font->default_ascent = w32_font->metrics.tmAscent;
994 font->font_encoder = NULL;
995 font->pixel_size = size;
996 font->driver = &w32font_driver;
997 /* Use format cached during list, as the information we have access to
998 here is incomplete. */
999 extra = AREF (font_entity, FONT_EXTRA_INDEX);
1000 if (CONSP (extra))
1002 val = assq_no_quit (QCformat, extra);
1003 if (CONSP (val))
1004 font->props[FONT_FORMAT_INDEX] = XCDR (val);
1005 else
1006 font->props[FONT_FORMAT_INDEX] = Qunknown;
1008 else
1009 font->props[FONT_FORMAT_INDEX] = Qunknown;
1011 font->props[FONT_FILE_INDEX] = Qnil;
1012 font->encoding_charset = -1;
1013 font->repertory_charset = -1;
1014 /* TODO: do we really want the minimum width here, which could be negative? */
1015 font->min_width = font->space_width;
1016 font->ascent = w32_font->metrics.tmAscent;
1017 font->descent = w32_font->metrics.tmDescent;
1018 font->height = font->ascent + font->descent;
1020 if (metrics)
1022 font->underline_thickness = metrics->otmsUnderscoreSize;
1023 font->underline_position = -metrics->otmsUnderscorePosition;
1025 else
1027 font->underline_thickness = 0;
1028 font->underline_position = -1;
1031 /* For temporary compatibility with legacy code that expects the
1032 name to be usable in x-list-fonts. Eventually we expect to change
1033 x-list-fonts and other places that use fonts so that this can be
1034 an fcname or similar. */
1035 font->props[FONT_NAME_INDEX] = Ffont_xlfd_name (font_object, Qnil);
1037 return 1;
1040 /* Callback function for EnumFontFamiliesEx.
1041 * Adds the name of a font to a Lisp list (passed in as the lParam arg). */
1042 static int CALLBACK
1043 add_font_name_to_list (ENUMLOGFONTEX *logical_font,
1044 NEWTEXTMETRICEX *physical_font,
1045 DWORD font_type, LPARAM list_object)
1047 Lisp_Object* list = (Lisp_Object *) list_object;
1048 Lisp_Object family;
1050 /* Skip vertical fonts (intended only for printing) */
1051 if (logical_font->elfLogFont.lfFaceName[0] == '@')
1052 return 1;
1054 family = intern_font_name (logical_font->elfLogFont.lfFaceName);
1055 if (! memq_no_quit (family, *list))
1056 *list = Fcons (family, *list);
1058 return 1;
1061 static int w32_decode_weight (int);
1062 static int w32_encode_weight (int);
1064 /* Convert an enumerated Windows font to an Emacs font entity. */
1065 static Lisp_Object
1066 w32_enumfont_pattern_entity (Lisp_Object frame,
1067 ENUMLOGFONTEX *logical_font,
1068 NEWTEXTMETRICEX *physical_font,
1069 DWORD font_type,
1070 LOGFONT *requested_font,
1071 Lisp_Object backend)
1073 Lisp_Object entity, tem;
1074 LOGFONT *lf = (LOGFONT*) logical_font;
1075 BYTE generic_type;
1076 DWORD full_type = physical_font->ntmTm.ntmFlags;
1078 entity = font_make_entity ();
1080 ASET (entity, FONT_TYPE_INDEX, backend);
1081 ASET (entity, FONT_REGISTRY_INDEX, w32_registry (lf->lfCharSet, font_type));
1082 ASET (entity, FONT_OBJLIST_INDEX, Qnil);
1084 /* Foundry is difficult to get in readable form on Windows.
1085 But Emacs crashes if it is not set, so set it to something more
1086 generic. These values make xlfds compatible with Emacs 22. */
1087 if (lf->lfOutPrecision == OUT_STRING_PRECIS)
1088 tem = Qraster;
1089 else if (lf->lfOutPrecision == OUT_STROKE_PRECIS)
1090 tem = Qoutline;
1091 else
1092 tem = Qunknown;
1094 ASET (entity, FONT_FOUNDRY_INDEX, tem);
1096 /* Save the generic family in the extra info, as it is likely to be
1097 useful to users looking for a close match. */
1098 generic_type = physical_font->ntmTm.tmPitchAndFamily & 0xF0;
1099 if (generic_type == FF_DECORATIVE)
1100 tem = Qdecorative;
1101 else if (generic_type == FF_MODERN)
1102 tem = Qmono;
1103 else if (generic_type == FF_ROMAN)
1104 tem = Qserif;
1105 else if (generic_type == FF_SCRIPT)
1106 tem = Qscript;
1107 else if (generic_type == FF_SWISS)
1108 tem = Qsans;
1109 else
1110 tem = Qnil;
1112 ASET (entity, FONT_ADSTYLE_INDEX, tem);
1114 if (physical_font->ntmTm.tmPitchAndFamily & 0x01)
1115 ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_PROPORTIONAL));
1116 else
1117 ASET (entity, FONT_SPACING_INDEX, make_number (FONT_SPACING_CHARCELL));
1119 if (requested_font->lfQuality != DEFAULT_QUALITY)
1121 font_put_extra (entity, QCantialias,
1122 lispy_antialias_type (requested_font->lfQuality));
1124 ASET (entity, FONT_FAMILY_INDEX,
1125 intern_font_name (lf->lfFaceName));
1127 FONT_SET_STYLE (entity, FONT_WEIGHT_INDEX,
1128 make_number (w32_decode_weight (lf->lfWeight)));
1129 FONT_SET_STYLE (entity, FONT_SLANT_INDEX,
1130 make_number (lf->lfItalic ? 200 : 100));
1131 /* TODO: PANOSE struct has this info, but need to call GetOutlineTextMetrics
1132 to get it. */
1133 FONT_SET_STYLE (entity, FONT_WIDTH_INDEX, make_number (100));
1135 if (font_type & RASTER_FONTTYPE)
1136 ASET (entity, FONT_SIZE_INDEX,
1137 make_number (physical_font->ntmTm.tmHeight
1138 + physical_font->ntmTm.tmExternalLeading));
1139 else
1140 ASET (entity, FONT_SIZE_INDEX, make_number (0));
1142 /* Cache Unicode codepoints covered by this font, as there is no other way
1143 of getting this information easily. */
1144 if (font_type & TRUETYPE_FONTTYPE)
1146 tem = font_supported_scripts (&physical_font->ntmFontSig);
1147 if (!NILP (tem))
1148 font_put_extra (entity, QCscript, tem);
1151 /* This information is not fully available when opening fonts, so
1152 save it here. Only Windows 2000 and later return information
1153 about opentype and type1 fonts, so need a fallback for detecting
1154 truetype so that this information is not any worse than we could
1155 have obtained later. */
1156 if (EQ (backend, Quniscribe) && (full_type & NTMFLAGS_OPENTYPE))
1157 tem = intern ("opentype");
1158 else if (font_type & TRUETYPE_FONTTYPE)
1159 tem = intern ("truetype");
1160 else if (full_type & NTM_PS_OPENTYPE)
1161 tem = intern ("postscript");
1162 else if (full_type & NTM_TYPE1)
1163 tem = intern ("type1");
1164 else if (font_type & RASTER_FONTTYPE)
1165 tem = intern ("w32bitmap");
1166 else
1167 tem = intern ("w32vector");
1169 font_put_extra (entity, QCformat, tem);
1171 return entity;
1175 /* Convert generic families to the family portion of lfPitchAndFamily. */
1176 static BYTE
1177 w32_generic_family (Lisp_Object name)
1179 /* Generic families. */
1180 if (EQ (name, Qmonospace) || EQ (name, Qmono))
1181 return FF_MODERN;
1182 else if (EQ (name, Qsans) || EQ (name, Qsans_serif) || EQ (name, Qsansserif))
1183 return FF_SWISS;
1184 else if (EQ (name, Qserif))
1185 return FF_ROMAN;
1186 else if (EQ (name, Qdecorative))
1187 return FF_DECORATIVE;
1188 else if (EQ (name, Qscript))
1189 return FF_SCRIPT;
1190 else
1191 return FF_DONTCARE;
1194 static int
1195 logfonts_match (LOGFONT *font, LOGFONT *pattern)
1197 /* Only check height for raster fonts. */
1198 if (pattern->lfHeight && font->lfOutPrecision == OUT_STRING_PRECIS
1199 && font->lfHeight != pattern->lfHeight)
1200 return 0;
1202 /* Have some flexibility with weights. */
1203 if (pattern->lfWeight
1204 && ((font->lfWeight < (pattern->lfWeight - 150))
1205 || font->lfWeight > (pattern->lfWeight + 150)))
1206 return 0;
1208 /* Charset and face should be OK. Italic has to be checked
1209 against the original spec, in case we don't have any preference. */
1210 return 1;
1213 /* Codepage Bitfields in FONTSIGNATURE struct. */
1214 #define CSB_JAPANESE (1 << 17)
1215 #define CSB_KOREAN ((1 << 19) | (1 << 21))
1216 #define CSB_CHINESE ((1 << 18) | (1 << 20))
1218 static int
1219 font_matches_spec (DWORD type, NEWTEXTMETRICEX *font,
1220 Lisp_Object spec, Lisp_Object backend,
1221 LOGFONT *logfont)
1223 Lisp_Object extra, val;
1225 /* Check italic. Can't check logfonts, since it is a boolean field,
1226 so there is no difference between "non-italic" and "don't care". */
1228 int slant = FONT_SLANT_NUMERIC (spec);
1230 if (slant >= 0
1231 && ((slant > 150 && !font->ntmTm.tmItalic)
1232 || (slant <= 150 && font->ntmTm.tmItalic)))
1233 return 0;
1236 /* Check adstyle against generic family. */
1237 val = AREF (spec, FONT_ADSTYLE_INDEX);
1238 if (!NILP (val))
1240 BYTE family = w32_generic_family (val);
1241 if (family != FF_DONTCARE
1242 && family != (font->ntmTm.tmPitchAndFamily & 0xF0))
1243 return 0;
1246 /* Check spacing */
1247 val = AREF (spec, FONT_SPACING_INDEX);
1248 if (INTEGERP (val))
1250 int spacing = XINT (val);
1251 int proportional = (spacing < FONT_SPACING_MONO);
1253 if ((proportional && !(font->ntmTm.tmPitchAndFamily & 0x01))
1254 || (!proportional && (font->ntmTm.tmPitchAndFamily & 0x01)))
1255 return 0;
1258 /* Check extra parameters. */
1259 for (extra = AREF (spec, FONT_EXTRA_INDEX);
1260 CONSP (extra); extra = XCDR (extra))
1262 Lisp_Object extra_entry;
1263 extra_entry = XCAR (extra);
1264 if (CONSP (extra_entry))
1266 Lisp_Object key = XCAR (extra_entry);
1268 val = XCDR (extra_entry);
1269 if (EQ (key, QCscript) && SYMBOLP (val))
1271 /* Only truetype fonts will have information about what
1272 scripts they support. This probably means the user
1273 will have to force Emacs to use raster, PostScript
1274 or ATM fonts for non-ASCII text. */
1275 if (type & TRUETYPE_FONTTYPE)
1277 Lisp_Object support
1278 = font_supported_scripts (&font->ntmFontSig);
1279 if (! memq_no_quit (val, support))
1280 return 0;
1282 /* Avoid using non-Japanese fonts for Japanese, even
1283 if they claim they are capable, due to known
1284 breakage in Vista and Windows 7 fonts
1285 (bug#6029). */
1286 if (EQ (val, Qkana)
1287 && (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET
1288 || !(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE)))
1289 return 0;
1291 else
1293 /* Return specific matches, but play it safe. Fonts
1294 that cover more than their charset would suggest
1295 are likely to be truetype or opentype fonts,
1296 covered above. */
1297 if (EQ (val, Qlatin))
1299 /* Although every charset but symbol, thai and
1300 arabic contains the basic ASCII set of latin
1301 characters, Emacs expects much more. */
1302 if (font->ntmTm.tmCharSet != ANSI_CHARSET)
1303 return 0;
1305 else if (EQ (val, Qsymbol))
1307 if (font->ntmTm.tmCharSet != SYMBOL_CHARSET)
1308 return 0;
1310 else if (EQ (val, Qcyrillic))
1312 if (font->ntmTm.tmCharSet != RUSSIAN_CHARSET)
1313 return 0;
1315 else if (EQ (val, Qgreek))
1317 if (font->ntmTm.tmCharSet != GREEK_CHARSET)
1318 return 0;
1320 else if (EQ (val, Qarabic))
1322 if (font->ntmTm.tmCharSet != ARABIC_CHARSET)
1323 return 0;
1325 else if (EQ (val, Qhebrew))
1327 if (font->ntmTm.tmCharSet != HEBREW_CHARSET)
1328 return 0;
1330 else if (EQ (val, Qthai))
1332 if (font->ntmTm.tmCharSet != THAI_CHARSET)
1333 return 0;
1335 else if (EQ (val, Qkana))
1337 if (font->ntmTm.tmCharSet != SHIFTJIS_CHARSET)
1338 return 0;
1340 else if (EQ (val, Qbopomofo))
1342 if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET)
1343 return 0;
1345 else if (EQ (val, Qhangul))
1347 if (font->ntmTm.tmCharSet != HANGUL_CHARSET
1348 && font->ntmTm.tmCharSet != JOHAB_CHARSET)
1349 return 0;
1351 else if (EQ (val, Qhan))
1353 if (font->ntmTm.tmCharSet != CHINESEBIG5_CHARSET
1354 && font->ntmTm.tmCharSet != GB2312_CHARSET
1355 && font->ntmTm.tmCharSet != HANGUL_CHARSET
1356 && font->ntmTm.tmCharSet != JOHAB_CHARSET
1357 && font->ntmTm.tmCharSet != SHIFTJIS_CHARSET)
1358 return 0;
1360 else
1361 /* Other scripts unlikely to be handled by non-truetype
1362 fonts. */
1363 return 0;
1366 else if (EQ (key, QClang) && SYMBOLP (val))
1368 /* Just handle the CJK languages here, as the lang
1369 parameter is used to select a font with appropriate
1370 glyphs in the cjk unified ideographs block. Other fonts
1371 support for a language can be solely determined by
1372 its character coverage. */
1373 if (EQ (val, Qja))
1375 if (!(font->ntmFontSig.fsCsb[0] & CSB_JAPANESE))
1376 return 0;
1378 else if (EQ (val, Qko))
1380 if (!(font->ntmFontSig.fsCsb[0] & CSB_KOREAN))
1381 return 0;
1383 else if (EQ (val, Qzh))
1385 if (!(font->ntmFontSig.fsCsb[0] & CSB_CHINESE))
1386 return 0;
1388 else
1389 /* Any other language, we don't recognize it. Only the above
1390 currently appear in fontset.el, so it isn't worth
1391 creating a mapping table of codepages/scripts to languages
1392 or opening the font to see if there are any language tags
1393 in it that the Windows API does not expose. Fontset
1394 spec should have a fallback, as some backends do
1395 not recognize language at all. */
1396 return 0;
1398 else if (EQ (key, QCotf) && CONSP (val))
1400 /* OTF features only supported by the uniscribe backend. */
1401 if (EQ (backend, Quniscribe))
1403 if (!uniscribe_check_otf (logfont, val))
1404 return 0;
1406 else
1407 return 0;
1411 return 1;
1414 static int
1415 w32font_coverage_ok (FONTSIGNATURE * coverage, BYTE charset)
1417 DWORD subrange1 = coverage->fsUsb[1];
1419 #define SUBRANGE1_HAN_MASK 0x08000000
1420 #define SUBRANGE1_HANGEUL_MASK 0x01000000
1421 #define SUBRANGE1_JAPANESE_MASK (0x00060000 | SUBRANGE1_HAN_MASK)
1423 if (charset == GB2312_CHARSET || charset == CHINESEBIG5_CHARSET)
1425 return (subrange1 & SUBRANGE1_HAN_MASK) == SUBRANGE1_HAN_MASK;
1427 else if (charset == SHIFTJIS_CHARSET)
1429 return (subrange1 & SUBRANGE1_JAPANESE_MASK) == SUBRANGE1_JAPANESE_MASK;
1431 else if (charset == HANGEUL_CHARSET)
1433 return (subrange1 & SUBRANGE1_HANGEUL_MASK) == SUBRANGE1_HANGEUL_MASK;
1436 return 1;
1440 static int
1441 check_face_name (LOGFONT *font, char *full_name)
1443 char full_iname[LF_FULLFACESIZE+1];
1445 /* Just check for names known to cause problems, since the full name
1446 can contain expanded abbreviations, prefixed foundry, postfixed
1447 style, the latter of which sometimes differs from the style indicated
1448 in the shorter name (eg Lt becomes Light or even Extra Light) */
1450 /* Helvetica is mapped to Arial in Windows, but if a Type-1 Helvetica is
1451 installed, we run into problems with the Uniscribe backend which tries
1452 to avoid non-truetype fonts, and ends up mixing the Type-1 Helvetica
1453 with Arial's characteristics, since that attempt to use TrueType works
1454 some places, but not others. */
1455 if (!xstrcasecmp (font->lfFaceName, "helvetica"))
1457 strncpy (full_iname, full_name, LF_FULLFACESIZE);
1458 full_iname[LF_FULLFACESIZE] = 0;
1459 _strlwr (full_iname);
1460 return strstr ("helvetica", full_iname) != NULL;
1462 /* Same for Helv. */
1463 if (!xstrcasecmp (font->lfFaceName, "helv"))
1465 strncpy (full_iname, full_name, LF_FULLFACESIZE);
1466 full_iname[LF_FULLFACESIZE] = 0;
1467 _strlwr (full_iname);
1468 return strstr ("helv", full_iname) != NULL;
1471 /* Since Times is mapped to Times New Roman, a substring
1472 match is not sufficient to filter out the bogus match. */
1473 else if (!xstrcasecmp (font->lfFaceName, "times"))
1474 return xstrcasecmp (full_name, "times") == 0;
1476 return 1;
1480 /* Callback function for EnumFontFamiliesEx.
1481 * Checks if a font matches everything we are trying to check against,
1482 * and if so, adds it to a list. Both the data we are checking against
1483 * and the list to which the fonts are added are passed in via the
1484 * lparam argument, in the form of a font_callback_data struct. */
1485 static int CALLBACK
1486 add_font_entity_to_list (ENUMLOGFONTEX *logical_font,
1487 NEWTEXTMETRICEX *physical_font,
1488 DWORD font_type, LPARAM lParam)
1490 struct font_callback_data *match_data
1491 = (struct font_callback_data *) lParam;
1492 Lisp_Object backend = match_data->opentype_only ? Quniscribe : Qgdi;
1493 Lisp_Object entity;
1495 int is_unicode = physical_font->ntmFontSig.fsUsb[3]
1496 || physical_font->ntmFontSig.fsUsb[2]
1497 || physical_font->ntmFontSig.fsUsb[1]
1498 || physical_font->ntmFontSig.fsUsb[0] & 0x3fffffff;
1500 /* Skip non matching fonts. */
1502 /* For uniscribe backend, consider only truetype or opentype fonts
1503 that have some Unicode coverage. */
1504 if (match_data->opentype_only
1505 && ((!(physical_font->ntmTm.ntmFlags & NTMFLAGS_OPENTYPE)
1506 && !(font_type & TRUETYPE_FONTTYPE))
1507 || !is_unicode))
1508 return 1;
1510 /* Ensure a match. */
1511 if (!logfonts_match (&logical_font->elfLogFont, &match_data->pattern)
1512 || !font_matches_spec (font_type, physical_font,
1513 match_data->orig_font_spec, backend,
1514 &logical_font->elfLogFont)
1515 || !w32font_coverage_ok (&physical_font->ntmFontSig,
1516 match_data->pattern.lfCharSet))
1517 return 1;
1519 /* Avoid substitutions involving raster fonts (eg Helv -> MS Sans Serif)
1520 We limit this to raster fonts, because the test can catch some
1521 genuine fonts (eg the full name of DejaVu Sans Mono Light is actually
1522 DejaVu Sans Mono ExtraLight). Helvetica -> Arial substitution will
1523 therefore get through this test. Since full names can be prefixed
1524 by a foundry, we accept raster fonts if the font name is found
1525 anywhere within the full name. */
1526 if ((logical_font->elfLogFont.lfOutPrecision == OUT_STRING_PRECIS
1527 && !strstr (logical_font->elfFullName,
1528 logical_font->elfLogFont.lfFaceName))
1529 /* Check for well known substitutions that mess things up in the
1530 presence of Type-1 fonts of the same name. */
1531 || (!check_face_name (&logical_font->elfLogFont,
1532 logical_font->elfFullName)))
1533 return 1;
1535 /* Make a font entity for the font. */
1536 entity = w32_enumfont_pattern_entity (match_data->frame, logical_font,
1537 physical_font, font_type,
1538 &match_data->pattern,
1539 backend);
1541 if (!NILP (entity))
1543 Lisp_Object spec_charset = AREF (match_data->orig_font_spec,
1544 FONT_REGISTRY_INDEX);
1546 /* iso10646-1 fonts must contain Unicode mapping tables. */
1547 if (EQ (spec_charset, Qiso10646_1))
1549 if (!is_unicode)
1550 return 1;
1552 /* unicode-bmp fonts must contain characters from the BMP. */
1553 else if (EQ (spec_charset, Qunicode_bmp))
1555 if (!physical_font->ntmFontSig.fsUsb[3]
1556 && !(physical_font->ntmFontSig.fsUsb[2] & 0xFFFFFF9E)
1557 && !(physical_font->ntmFontSig.fsUsb[1] & 0xE81FFFFF)
1558 && !(physical_font->ntmFontSig.fsUsb[0] & 0x007F001F))
1559 return 1;
1561 /* unicode-sip fonts must contain characters in Unicode plane 2.
1562 so look for bit 57 (surrogates) in the Unicode subranges, plus
1563 the bits for CJK ranges that include those characters. */
1564 else if (EQ (spec_charset, Qunicode_sip))
1566 if (!(physical_font->ntmFontSig.fsUsb[1] & 0x02000000)
1567 || !(physical_font->ntmFontSig.fsUsb[1] & 0x28000000))
1568 return 1;
1571 /* This font matches. */
1573 /* If registry was specified, ensure it is reported as the same. */
1574 if (!NILP (spec_charset))
1576 /* Avoid using non-Japanese fonts for Japanese, even if they
1577 claim they are capable, due to known breakage in Vista
1578 and Windows 7 fonts (bug#6029). */
1579 if (logical_font->elfLogFont.lfCharSet == SHIFTJIS_CHARSET
1580 && !(physical_font->ntmFontSig.fsCsb[0] & CSB_JAPANESE))
1581 return 1;
1582 else
1583 ASET (entity, FONT_REGISTRY_INDEX, spec_charset);
1585 /* Otherwise if using the uniscribe backend, report ANSI and DEFAULT
1586 fonts as Unicode and skip other charsets. */
1587 else if (match_data->opentype_only)
1589 if (logical_font->elfLogFont.lfCharSet == ANSI_CHARSET
1590 || logical_font->elfLogFont.lfCharSet == DEFAULT_CHARSET)
1591 ASET (entity, FONT_REGISTRY_INDEX, Qiso10646_1);
1592 else
1593 return 1;
1596 /* Add this font to the list. */
1597 match_data->list = Fcons (entity, match_data->list);
1599 return 1;
1602 /* Callback function for EnumFontFamiliesEx.
1603 * Terminates the search once we have a match. */
1604 static int CALLBACK
1605 add_one_font_entity_to_list (ENUMLOGFONTEX *logical_font,
1606 NEWTEXTMETRICEX *physical_font,
1607 DWORD font_type, LPARAM lParam)
1609 struct font_callback_data *match_data
1610 = (struct font_callback_data *) lParam;
1611 add_font_entity_to_list (logical_font, physical_font, font_type, lParam);
1613 /* If we have a font in the list, terminate the search. */
1614 return NILP (match_data->list);
1617 /* Old function to convert from x to w32 charset, from w32fns.c. */
1618 static LONG
1619 x_to_w32_charset (char * lpcs)
1621 Lisp_Object this_entry, w32_charset;
1622 char *charset;
1623 int len = strlen (lpcs);
1625 /* Support "*-#nnn" format for unknown charsets. */
1626 if (strncmp (lpcs, "*-#", 3) == 0)
1627 return atoi (lpcs + 3);
1629 /* All Windows fonts qualify as Unicode. */
1630 if (!strncmp (lpcs, "iso10646", 8))
1631 return DEFAULT_CHARSET;
1633 /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */
1634 charset = alloca (len + 1);
1635 strcpy (charset, lpcs);
1636 lpcs = strchr (charset, '*');
1637 if (lpcs)
1638 *lpcs = '\0';
1640 /* Look through w32-charset-info-alist for the character set.
1641 Format of each entry is
1642 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
1644 this_entry = Fassoc (build_string (charset), Vw32_charset_info_alist);
1646 if (NILP (this_entry))
1648 /* At startup, we want iso8859-1 fonts to come up properly. */
1649 if (xstrcasecmp (charset, "iso8859-1") == 0)
1650 return ANSI_CHARSET;
1651 else
1652 return DEFAULT_CHARSET;
1655 w32_charset = Fcar (Fcdr (this_entry));
1657 /* Translate Lisp symbol to number. */
1658 if (EQ (w32_charset, Qw32_charset_ansi))
1659 return ANSI_CHARSET;
1660 if (EQ (w32_charset, Qw32_charset_symbol))
1661 return SYMBOL_CHARSET;
1662 if (EQ (w32_charset, Qw32_charset_shiftjis))
1663 return SHIFTJIS_CHARSET;
1664 if (EQ (w32_charset, Qw32_charset_hangeul))
1665 return HANGEUL_CHARSET;
1666 if (EQ (w32_charset, Qw32_charset_chinesebig5))
1667 return CHINESEBIG5_CHARSET;
1668 if (EQ (w32_charset, Qw32_charset_gb2312))
1669 return GB2312_CHARSET;
1670 if (EQ (w32_charset, Qw32_charset_oem))
1671 return OEM_CHARSET;
1672 if (EQ (w32_charset, Qw32_charset_johab))
1673 return JOHAB_CHARSET;
1674 if (EQ (w32_charset, Qw32_charset_easteurope))
1675 return EASTEUROPE_CHARSET;
1676 if (EQ (w32_charset, Qw32_charset_turkish))
1677 return TURKISH_CHARSET;
1678 if (EQ (w32_charset, Qw32_charset_baltic))
1679 return BALTIC_CHARSET;
1680 if (EQ (w32_charset, Qw32_charset_russian))
1681 return RUSSIAN_CHARSET;
1682 if (EQ (w32_charset, Qw32_charset_arabic))
1683 return ARABIC_CHARSET;
1684 if (EQ (w32_charset, Qw32_charset_greek))
1685 return GREEK_CHARSET;
1686 if (EQ (w32_charset, Qw32_charset_hebrew))
1687 return HEBREW_CHARSET;
1688 if (EQ (w32_charset, Qw32_charset_vietnamese))
1689 return VIETNAMESE_CHARSET;
1690 if (EQ (w32_charset, Qw32_charset_thai))
1691 return THAI_CHARSET;
1692 if (EQ (w32_charset, Qw32_charset_mac))
1693 return MAC_CHARSET;
1695 return DEFAULT_CHARSET;
1699 /* Convert a Lisp font registry (symbol) to a windows charset. */
1700 static LONG
1701 registry_to_w32_charset (Lisp_Object charset)
1703 if (EQ (charset, Qiso10646_1) || EQ (charset, Qunicode_bmp)
1704 || EQ (charset, Qunicode_sip))
1705 return DEFAULT_CHARSET; /* UNICODE_CHARSET not defined in MingW32 */
1706 else if (EQ (charset, Qiso8859_1))
1707 return ANSI_CHARSET;
1708 else if (SYMBOLP (charset))
1709 return x_to_w32_charset (SDATA (SYMBOL_NAME (charset)));
1710 else
1711 return DEFAULT_CHARSET;
1714 /* Old function to convert from w32 to x charset, from w32fns.c. */
1715 static char *
1716 w32_to_x_charset (int fncharset, char *matching)
1718 static char buf[32];
1719 Lisp_Object charset_type;
1720 int match_len = 0;
1722 if (matching)
1724 /* If fully specified, accept it as it is. Otherwise use a
1725 substring match. */
1726 char *wildcard = strchr (matching, '*');
1727 if (wildcard)
1728 *wildcard = '\0';
1729 else if (strchr (matching, '-'))
1730 return matching;
1732 match_len = strlen (matching);
1735 switch (fncharset)
1737 case ANSI_CHARSET:
1738 /* Handle startup case of w32-charset-info-alist not
1739 being set up yet. */
1740 if (NILP (Vw32_charset_info_alist))
1741 return "iso8859-1";
1742 charset_type = Qw32_charset_ansi;
1743 break;
1744 case DEFAULT_CHARSET:
1745 charset_type = Qw32_charset_default;
1746 break;
1747 case SYMBOL_CHARSET:
1748 charset_type = Qw32_charset_symbol;
1749 break;
1750 case SHIFTJIS_CHARSET:
1751 charset_type = Qw32_charset_shiftjis;
1752 break;
1753 case HANGEUL_CHARSET:
1754 charset_type = Qw32_charset_hangeul;
1755 break;
1756 case GB2312_CHARSET:
1757 charset_type = Qw32_charset_gb2312;
1758 break;
1759 case CHINESEBIG5_CHARSET:
1760 charset_type = Qw32_charset_chinesebig5;
1761 break;
1762 case OEM_CHARSET:
1763 charset_type = Qw32_charset_oem;
1764 break;
1765 case EASTEUROPE_CHARSET:
1766 charset_type = Qw32_charset_easteurope;
1767 break;
1768 case TURKISH_CHARSET:
1769 charset_type = Qw32_charset_turkish;
1770 break;
1771 case BALTIC_CHARSET:
1772 charset_type = Qw32_charset_baltic;
1773 break;
1774 case RUSSIAN_CHARSET:
1775 charset_type = Qw32_charset_russian;
1776 break;
1777 case ARABIC_CHARSET:
1778 charset_type = Qw32_charset_arabic;
1779 break;
1780 case GREEK_CHARSET:
1781 charset_type = Qw32_charset_greek;
1782 break;
1783 case HEBREW_CHARSET:
1784 charset_type = Qw32_charset_hebrew;
1785 break;
1786 case VIETNAMESE_CHARSET:
1787 charset_type = Qw32_charset_vietnamese;
1788 break;
1789 case THAI_CHARSET:
1790 charset_type = Qw32_charset_thai;
1791 break;
1792 case MAC_CHARSET:
1793 charset_type = Qw32_charset_mac;
1794 break;
1795 case JOHAB_CHARSET:
1796 charset_type = Qw32_charset_johab;
1797 break;
1799 default:
1800 /* Encode numerical value of unknown charset. */
1801 sprintf (buf, "*-#%u", fncharset);
1802 return buf;
1806 Lisp_Object rest;
1807 char * best_match = NULL;
1808 int matching_found = 0;
1810 /* Look through w32-charset-info-alist for the character set.
1811 Prefer ISO codepages, and prefer lower numbers in the ISO
1812 range. Only return charsets for codepages which are installed.
1814 Format of each entry is
1815 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
1817 for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
1819 char * x_charset;
1820 Lisp_Object w32_charset;
1821 Lisp_Object codepage;
1823 Lisp_Object this_entry = XCAR (rest);
1825 /* Skip invalid entries in alist. */
1826 if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
1827 || !CONSP (XCDR (this_entry))
1828 || !SYMBOLP (XCAR (XCDR (this_entry))))
1829 continue;
1831 x_charset = SDATA (XCAR (this_entry));
1832 w32_charset = XCAR (XCDR (this_entry));
1833 codepage = XCDR (XCDR (this_entry));
1835 /* Look for Same charset and a valid codepage (or non-int
1836 which means ignore). */
1837 if (EQ (w32_charset, charset_type)
1838 && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
1839 || IsValidCodePage (XINT (codepage))))
1841 /* If we don't have a match already, then this is the
1842 best. */
1843 if (!best_match)
1845 best_match = x_charset;
1846 if (matching && !strnicmp (x_charset, matching, match_len))
1847 matching_found = 1;
1849 /* If we already found a match for MATCHING, then
1850 only consider other matches. */
1851 else if (matching_found
1852 && strnicmp (x_charset, matching, match_len))
1853 continue;
1854 /* If this matches what we want, and the best so far doesn't,
1855 then this is better. */
1856 else if (!matching_found && matching
1857 && !strnicmp (x_charset, matching, match_len))
1859 best_match = x_charset;
1860 matching_found = 1;
1862 /* If this is fully specified, and the best so far isn't,
1863 then this is better. */
1864 else if ((!strchr (best_match, '-') && strchr (x_charset, '-'))
1865 /* If this is an ISO codepage, and the best so far isn't,
1866 then this is better, but only if it fully specifies the
1867 encoding. */
1868 || (strnicmp (best_match, "iso", 3) != 0
1869 && strnicmp (x_charset, "iso", 3) == 0
1870 && strchr (x_charset, '-')))
1871 best_match = x_charset;
1872 /* If both are ISO8859 codepages, choose the one with the
1873 lowest number in the encoding field. */
1874 else if (strnicmp (best_match, "iso8859-", 8) == 0
1875 && strnicmp (x_charset, "iso8859-", 8) == 0)
1877 int best_enc = atoi (best_match + 8);
1878 int this_enc = atoi (x_charset + 8);
1879 if (this_enc > 0 && this_enc < best_enc)
1880 best_match = x_charset;
1885 /* If no match, encode the numeric value. */
1886 if (!best_match)
1888 sprintf (buf, "*-#%u", fncharset);
1889 return buf;
1892 strncpy (buf, best_match, 31);
1893 /* If the charset is not fully specified, put -0 on the end. */
1894 if (!strchr (best_match, '-'))
1896 int pos = strlen (best_match);
1897 /* Charset specifiers shouldn't be very long. If it is a made
1898 up one, truncating it should not do any harm since it isn't
1899 recognized anyway. */
1900 if (pos > 29)
1901 pos = 29;
1902 strcpy (buf + pos, "-0");
1904 buf[31] = '\0';
1905 return buf;
1909 static Lisp_Object
1910 w32_registry (LONG w32_charset, DWORD font_type)
1912 char *charset;
1914 /* If charset is defaulted, charset is Unicode or unknown, depending on
1915 font type. */
1916 if (w32_charset == DEFAULT_CHARSET)
1917 return font_type == TRUETYPE_FONTTYPE ? Qiso10646_1 : Qunknown;
1919 charset = w32_to_x_charset (w32_charset, NULL);
1920 return font_intern_prop (charset, strlen (charset), 1);
1923 static int
1924 w32_decode_weight (int fnweight)
1926 if (fnweight >= FW_HEAVY) return 210;
1927 if (fnweight >= FW_EXTRABOLD) return 205;
1928 if (fnweight >= FW_BOLD) return 200;
1929 if (fnweight >= FW_SEMIBOLD) return 180;
1930 if (fnweight >= FW_NORMAL) return 100;
1931 if (fnweight >= FW_LIGHT) return 50;
1932 if (fnweight >= FW_EXTRALIGHT) return 40;
1933 if (fnweight > FW_THIN) return 20;
1934 return 0;
1937 static int
1938 w32_encode_weight (int n)
1940 if (n >= 210) return FW_HEAVY;
1941 if (n >= 205) return FW_EXTRABOLD;
1942 if (n >= 200) return FW_BOLD;
1943 if (n >= 180) return FW_SEMIBOLD;
1944 if (n >= 100) return FW_NORMAL;
1945 if (n >= 50) return FW_LIGHT;
1946 if (n >= 40) return FW_EXTRALIGHT;
1947 if (n >= 20) return FW_THIN;
1948 return 0;
1951 /* Convert a Windows font weight into one of the weights supported
1952 by fontconfig (see font.c:font_parse_fcname). */
1953 static Lisp_Object
1954 w32_to_fc_weight (int n)
1956 if (n >= FW_EXTRABOLD) return intern ("black");
1957 if (n >= FW_BOLD) return intern ("bold");
1958 if (n >= FW_SEMIBOLD) return intern ("demibold");
1959 if (n >= FW_NORMAL) return intern ("medium");
1960 return intern ("light");
1963 /* Fill in all the available details of LOGFONT from FONT_SPEC. */
1964 static void
1965 fill_in_logfont (FRAME_PTR f, LOGFONT *logfont, Lisp_Object font_spec)
1967 Lisp_Object tmp, extra;
1968 int dpi = FRAME_W32_DISPLAY_INFO (f)->resy;
1970 tmp = AREF (font_spec, FONT_DPI_INDEX);
1971 if (INTEGERP (tmp))
1973 dpi = XINT (tmp);
1975 else if (FLOATP (tmp))
1977 dpi = (int) (XFLOAT_DATA (tmp) + 0.5);
1980 /* Height */
1981 tmp = AREF (font_spec, FONT_SIZE_INDEX);
1982 if (INTEGERP (tmp))
1983 logfont->lfHeight = -1 * XINT (tmp);
1984 else if (FLOATP (tmp))
1985 logfont->lfHeight = (int) (-1.0 * dpi * XFLOAT_DATA (tmp) / 72.27 + 0.5);
1987 /* Escapement */
1989 /* Orientation */
1991 /* Weight */
1992 tmp = AREF (font_spec, FONT_WEIGHT_INDEX);
1993 if (INTEGERP (tmp))
1994 logfont->lfWeight = w32_encode_weight (FONT_WEIGHT_NUMERIC (font_spec));
1996 /* Italic */
1997 tmp = AREF (font_spec, FONT_SLANT_INDEX);
1998 if (INTEGERP (tmp))
2000 int slant = FONT_SLANT_NUMERIC (font_spec);
2001 logfont->lfItalic = slant > 150 ? 1 : 0;
2004 /* Underline */
2006 /* Strikeout */
2008 /* Charset */
2009 tmp = AREF (font_spec, FONT_REGISTRY_INDEX);
2010 if (! NILP (tmp))
2011 logfont->lfCharSet = registry_to_w32_charset (tmp);
2012 else
2013 logfont->lfCharSet = DEFAULT_CHARSET;
2015 /* Out Precision */
2017 /* Clip Precision */
2019 /* Quality */
2020 logfont->lfQuality = DEFAULT_QUALITY;
2022 /* Generic Family and Face Name */
2023 logfont->lfPitchAndFamily = FF_DONTCARE | DEFAULT_PITCH;
2025 tmp = AREF (font_spec, FONT_FAMILY_INDEX);
2026 if (! NILP (tmp))
2028 logfont->lfPitchAndFamily = w32_generic_family (tmp) | DEFAULT_PITCH;
2029 if ((logfont->lfPitchAndFamily & 0xF0) != FF_DONTCARE)
2030 ; /* Font name was generic, don't fill in font name. */
2031 /* Font families are interned, but allow for strings also in case of
2032 user input. */
2033 else if (SYMBOLP (tmp))
2035 strncpy (logfont->lfFaceName,
2036 SDATA (ENCODE_SYSTEM (SYMBOL_NAME (tmp))), LF_FACESIZE);
2037 logfont->lfFaceName[LF_FACESIZE-1] = '\0';
2041 tmp = AREF (font_spec, FONT_ADSTYLE_INDEX);
2042 if (!NILP (tmp))
2044 /* Override generic family. */
2045 BYTE family = w32_generic_family (tmp);
2046 if (family != FF_DONTCARE)
2047 logfont->lfPitchAndFamily = family | DEFAULT_PITCH;
2050 /* Set pitch based on the spacing property. */
2051 tmp = AREF (font_spec, FONT_SPACING_INDEX);
2052 if (INTEGERP (tmp))
2054 int spacing = XINT (tmp);
2055 if (spacing < FONT_SPACING_MONO)
2056 logfont->lfPitchAndFamily
2057 = (logfont->lfPitchAndFamily & 0xF0) | VARIABLE_PITCH;
2058 else
2059 logfont->lfPitchAndFamily
2060 = (logfont->lfPitchAndFamily & 0xF0) | FIXED_PITCH;
2063 /* Process EXTRA info. */
2064 for (extra = AREF (font_spec, FONT_EXTRA_INDEX);
2065 CONSP (extra); extra = XCDR (extra))
2067 tmp = XCAR (extra);
2068 if (CONSP (tmp))
2070 Lisp_Object key, val;
2071 key = XCAR (tmp), val = XCDR (tmp);
2072 /* Only use QCscript if charset is not provided, or is Unicode
2073 and a single script is specified. This is rather crude,
2074 and is only used to narrow down the fonts returned where
2075 there is a definite match. Some scripts, such as latin, han,
2076 cjk-misc match multiple lfCharSet values, so we can't pre-filter
2077 them. */
2078 if (EQ (key, QCscript)
2079 && logfont->lfCharSet == DEFAULT_CHARSET
2080 && SYMBOLP (val))
2082 if (EQ (val, Qgreek))
2083 logfont->lfCharSet = GREEK_CHARSET;
2084 else if (EQ (val, Qhangul))
2085 logfont->lfCharSet = HANGUL_CHARSET;
2086 else if (EQ (val, Qkana) || EQ (val, Qkanbun))
2087 logfont->lfCharSet = SHIFTJIS_CHARSET;
2088 else if (EQ (val, Qbopomofo))
2089 logfont->lfCharSet = CHINESEBIG5_CHARSET;
2090 /* GB 18030 supports tibetan, yi, mongolian,
2091 fonts that support it should show up if we ask for
2092 GB2312 fonts. */
2093 else if (EQ (val, Qtibetan) || EQ (val, Qyi)
2094 || EQ (val, Qmongolian))
2095 logfont->lfCharSet = GB2312_CHARSET;
2096 else if (EQ (val, Qhebrew))
2097 logfont->lfCharSet = HEBREW_CHARSET;
2098 else if (EQ (val, Qarabic))
2099 logfont->lfCharSet = ARABIC_CHARSET;
2100 else if (EQ (val, Qthai))
2101 logfont->lfCharSet = THAI_CHARSET;
2103 else if (EQ (key, QCantialias) && SYMBOLP (val))
2105 logfont->lfQuality = w32_antialias_type (val);
2111 static void
2112 list_all_matching_fonts (struct font_callback_data *match_data)
2114 HDC dc;
2115 Lisp_Object families = w32font_list_family (match_data->frame);
2116 struct frame *f = XFRAME (match_data->frame);
2118 dc = get_frame_dc (f);
2120 while (!NILP (families))
2122 /* Only fonts from the current locale are given localized names
2123 on Windows, so we can keep backwards compatibility with
2124 Windows 9x/ME by using non-Unicode font enumeration without
2125 sacrificing internationalization here. */
2126 char *name;
2127 Lisp_Object family = CAR (families);
2128 families = CDR (families);
2129 if (NILP (family))
2130 continue;
2131 else if (SYMBOLP (family))
2132 name = SDATA (ENCODE_SYSTEM (SYMBOL_NAME (family)));
2133 else
2134 continue;
2136 strncpy (match_data->pattern.lfFaceName, name, LF_FACESIZE);
2137 match_data->pattern.lfFaceName[LF_FACESIZE - 1] = '\0';
2139 EnumFontFamiliesEx (dc, &match_data->pattern,
2140 (FONTENUMPROC) add_font_entity_to_list,
2141 (LPARAM) match_data, 0);
2144 release_frame_dc (f, dc);
2147 static Lisp_Object
2148 lispy_antialias_type (BYTE type)
2150 Lisp_Object lispy;
2152 switch (type)
2154 case NONANTIALIASED_QUALITY:
2155 lispy = Qnone;
2156 break;
2157 case ANTIALIASED_QUALITY:
2158 lispy = Qstandard;
2159 break;
2160 case CLEARTYPE_QUALITY:
2161 lispy = Qsubpixel;
2162 break;
2163 case CLEARTYPE_NATURAL_QUALITY:
2164 lispy = Qnatural;
2165 break;
2166 default:
2167 lispy = Qnil;
2168 break;
2170 return lispy;
2173 /* Convert antialiasing symbols to lfQuality */
2174 static BYTE
2175 w32_antialias_type (Lisp_Object type)
2177 if (EQ (type, Qnone))
2178 return NONANTIALIASED_QUALITY;
2179 else if (EQ (type, Qstandard))
2180 return ANTIALIASED_QUALITY;
2181 else if (EQ (type, Qsubpixel))
2182 return CLEARTYPE_QUALITY;
2183 else if (EQ (type, Qnatural))
2184 return CLEARTYPE_NATURAL_QUALITY;
2185 else
2186 return DEFAULT_QUALITY;
2189 /* Return a list of all the scripts that the font supports. */
2190 static Lisp_Object
2191 font_supported_scripts (FONTSIGNATURE * sig)
2193 DWORD * subranges = sig->fsUsb;
2194 Lisp_Object supported = Qnil;
2196 /* Match a single subrange. SYM is set if bit N is set in subranges. */
2197 #define SUBRANGE(n,sym) \
2198 if (subranges[(n) / 32] & (1 << ((n) % 32))) \
2199 supported = Fcons ((sym), supported)
2201 /* Match multiple subranges. SYM is set if any MASK bit is set in
2202 subranges[0 - 3]. */
2203 #define MASK_ANY(mask0,mask1,mask2,mask3,sym) \
2204 if ((subranges[0] & (mask0)) || (subranges[1] & (mask1)) \
2205 || (subranges[2] & (mask2)) || (subranges[3] & (mask3))) \
2206 supported = Fcons ((sym), supported)
2208 SUBRANGE (0, Qlatin);
2209 /* The following count as latin too, ASCII should be present in these fonts,
2210 so don't need to mark them separately. */
2211 /* 1: Latin-1 supplement, 2: Latin Extended A, 3: Latin Extended B. */
2212 SUBRANGE (4, Qphonetic);
2213 /* 5: Spacing and tone modifiers, 6: Combining Diacritical Marks. */
2214 SUBRANGE (7, Qgreek);
2215 SUBRANGE (8, Qcoptic);
2216 SUBRANGE (9, Qcyrillic);
2217 SUBRANGE (10, Qarmenian);
2218 SUBRANGE (11, Qhebrew);
2219 /* 12: Vai. */
2220 SUBRANGE (13, Qarabic);
2221 SUBRANGE (14, Qnko);
2222 SUBRANGE (15, Qdevanagari);
2223 SUBRANGE (16, Qbengali);
2224 SUBRANGE (17, Qgurmukhi);
2225 SUBRANGE (18, Qgujarati);
2226 SUBRANGE (19, Qoriya);
2227 SUBRANGE (20, Qtamil);
2228 SUBRANGE (21, Qtelugu);
2229 SUBRANGE (22, Qkannada);
2230 SUBRANGE (23, Qmalayalam);
2231 SUBRANGE (24, Qthai);
2232 SUBRANGE (25, Qlao);
2233 SUBRANGE (26, Qgeorgian);
2234 SUBRANGE (27, Qbalinese);
2235 /* 28: Hangul Jamo. */
2236 /* 29: Latin Extended, 30: Greek Extended, 31: Punctuation. */
2237 /* 32-47: Symbols (defined below). */
2238 SUBRANGE (48, Qcjk_misc);
2239 /* Match either 49: katakana or 50: hiragana for kana. */
2240 MASK_ANY (0, 0x00060000, 0, 0, Qkana);
2241 SUBRANGE (51, Qbopomofo);
2242 /* 52: Compatibility Jamo */
2243 SUBRANGE (53, Qphags_pa);
2244 /* 54: Enclosed CJK letters and months, 55: CJK Compatibility. */
2245 SUBRANGE (56, Qhangul);
2246 /* 57: Surrogates. */
2247 SUBRANGE (58, Qphoenician);
2248 SUBRANGE (59, Qhan); /* There are others, but this is the main one. */
2249 SUBRANGE (59, Qideographic_description); /* Windows lumps this in. */
2250 SUBRANGE (59, Qkanbun); /* And this. */
2251 /* 60: Private use, 61: CJK strokes and compatibility. */
2252 /* 62: Alphabetic Presentation, 63: Arabic Presentation A. */
2253 /* 64: Combining half marks, 65: Vertical and CJK compatibility. */
2254 /* 66: Small forms, 67: Arabic Presentation B, 68: Half and Full width. */
2255 /* 69: Specials. */
2256 SUBRANGE (70, Qtibetan);
2257 SUBRANGE (71, Qsyriac);
2258 SUBRANGE (72, Qthaana);
2259 SUBRANGE (73, Qsinhala);
2260 SUBRANGE (74, Qmyanmar);
2261 SUBRANGE (75, Qethiopic);
2262 SUBRANGE (76, Qcherokee);
2263 SUBRANGE (77, Qcanadian_aboriginal);
2264 SUBRANGE (78, Qogham);
2265 SUBRANGE (79, Qrunic);
2266 SUBRANGE (80, Qkhmer);
2267 SUBRANGE (81, Qmongolian);
2268 SUBRANGE (82, Qbraille);
2269 SUBRANGE (83, Qyi);
2270 SUBRANGE (84, Qbuhid);
2271 SUBRANGE (84, Qhanunoo);
2272 SUBRANGE (84, Qtagalog);
2273 SUBRANGE (84, Qtagbanwa);
2274 SUBRANGE (85, Qold_italic);
2275 SUBRANGE (86, Qgothic);
2276 SUBRANGE (87, Qdeseret);
2277 SUBRANGE (88, Qbyzantine_musical_symbol);
2278 SUBRANGE (88, Qmusical_symbol); /* Windows doesn't distinguish these. */
2279 SUBRANGE (89, Qmathematical);
2280 /* 90: Private use, 91: Variation selectors, 92: Tags. */
2281 SUBRANGE (93, Qlimbu);
2282 SUBRANGE (94, Qtai_le);
2283 /* 95: New Tai Le */
2284 SUBRANGE (90, Qbuginese);
2285 SUBRANGE (97, Qglagolitic);
2286 SUBRANGE (98, Qtifinagh);
2287 /* 99: Yijing Hexagrams. */
2288 SUBRANGE (100, Qsyloti_nagri);
2289 SUBRANGE (101, Qlinear_b);
2290 /* 102: Ancient Greek Numbers. */
2291 SUBRANGE (103, Qugaritic);
2292 SUBRANGE (104, Qold_persian);
2293 SUBRANGE (105, Qshavian);
2294 SUBRANGE (106, Qosmanya);
2295 SUBRANGE (107, Qcypriot);
2296 SUBRANGE (108, Qkharoshthi);
2297 /* 109: Tai Xuan Jing. */
2298 SUBRANGE (110, Qcuneiform);
2299 /* 111: Counting Rods, 112: Sundanese, 113: Lepcha, 114: Ol Chiki. */
2300 /* 115: Saurashtra, 116: Kayah Li, 117: Rejang. */
2301 SUBRANGE (118, Qcham);
2302 /* 119: Ancient symbols, 120: Phaistos Disc. */
2303 /* 121: Carian, Lycian, Lydian, 122: Dominoes, Mahjong tiles. */
2304 /* 123-127: Reserved. */
2306 /* There isn't really a main symbol range, so include symbol if any
2307 relevant range is set. */
2308 MASK_ANY (0x8000000, 0x0000FFFF, 0, 0, Qsymbol);
2310 /* Missing: Tai Viet (U+AA80-U+AADF). */
2311 #undef SUBRANGE
2312 #undef MASK_ANY
2314 return supported;
2317 /* Generate a full name for a Windows font.
2318 The full name is in fcname format, with weight, slant and antialiasing
2319 specified if they are not "normal". */
2320 static int
2321 w32font_full_name (LOGFONT * font, Lisp_Object font_obj,
2322 int pixel_size, char *name, int nbytes)
2324 int len, height, outline;
2325 char *p;
2326 Lisp_Object antialiasing, weight = Qnil;
2328 len = strlen (font->lfFaceName);
2330 outline = EQ (AREF (font_obj, FONT_FOUNDRY_INDEX), Qoutline);
2332 /* Represent size of scalable fonts by point size. But use pixelsize for
2333 raster fonts to indicate that they are exactly that size. */
2334 if (outline)
2335 len += 11; /* -SIZE */
2336 else
2337 len += 21;
2339 if (font->lfItalic)
2340 len += 7; /* :italic */
2342 if (font->lfWeight && font->lfWeight != FW_NORMAL)
2344 weight = w32_to_fc_weight (font->lfWeight);
2345 len += 1 + SBYTES (SYMBOL_NAME (weight)); /* :WEIGHT */
2348 antialiasing = lispy_antialias_type (font->lfQuality);
2349 if (! NILP (antialiasing))
2350 len += 11 + SBYTES (SYMBOL_NAME (antialiasing)); /* :antialias=NAME */
2352 /* Check that the buffer is big enough */
2353 if (len > nbytes)
2354 return -1;
2356 p = name;
2357 p += sprintf (p, "%s", font->lfFaceName);
2359 height = font->lfHeight ? eabs (font->lfHeight) : pixel_size;
2361 if (height > 0)
2363 if (outline)
2365 float pointsize = height * 72.0 / one_w32_display_info.resy;
2366 /* Round to nearest half point. floor is used, since round is not
2367 supported in MS library. */
2368 pointsize = floor (pointsize * 2 + 0.5) / 2;
2369 p += sprintf (p, "-%1.1f", pointsize);
2371 else
2372 p += sprintf (p, ":pixelsize=%d", height);
2375 if (SYMBOLP (weight) && ! NILP (weight))
2376 p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight)));
2378 if (font->lfItalic)
2379 p += sprintf (p, ":italic");
2381 if (SYMBOLP (antialiasing) && ! NILP (antialiasing))
2382 p += sprintf (p, ":antialias=%s", SDATA (SYMBOL_NAME (antialiasing)));
2384 return (p - name);
2387 /* Convert a logfont and point size into a fontconfig style font name.
2388 POINTSIZE is in tenths of points.
2389 If SIZE indicates the size of buffer FCNAME, into which the font name
2390 is written. If the buffer is not large enough to contain the name,
2391 the function returns -1, otherwise it returns the number of bytes
2392 written to FCNAME. */
2393 static int
2394 logfont_to_fcname (LOGFONT* font, int pointsize, char *fcname, int size)
2396 int len, height;
2397 char *p = fcname;
2398 Lisp_Object weight = Qnil;
2400 len = strlen (font->lfFaceName) + 2;
2401 height = pointsize / 10;
2402 while (height /= 10)
2403 len++;
2405 if (pointsize % 10)
2406 len += 2;
2408 if (font->lfItalic)
2409 len += 7; /* :italic */
2410 if (font->lfWeight && font->lfWeight != FW_NORMAL)
2412 weight = w32_to_fc_weight (font->lfWeight);
2413 len += SBYTES (SYMBOL_NAME (weight)) + 1;
2416 if (len > size)
2417 return -1;
2419 p += sprintf (p, "%s-%d", font->lfFaceName, pointsize / 10);
2420 if (pointsize % 10)
2421 p += sprintf (p, ".%d", pointsize % 10);
2423 if (SYMBOLP (weight) && !NILP (weight))
2424 p += sprintf (p, ":%s", SDATA (SYMBOL_NAME (weight)));
2426 if (font->lfItalic)
2427 p += sprintf (p, ":italic");
2429 return (p - fcname);
2432 static void
2433 compute_metrics (HDC dc, struct w32font_info *w32_font, unsigned int code,
2434 struct w32_metric_cache *metrics)
2436 GLYPHMETRICS gm;
2437 MAT2 transform;
2438 unsigned int options = GGO_METRICS;
2440 if (w32_font->glyph_idx)
2441 options |= GGO_GLYPH_INDEX;
2443 memset (&transform, 0, sizeof (transform));
2444 transform.eM11.value = 1;
2445 transform.eM22.value = 1;
2447 if (get_glyph_outline_w (dc, code, options, &gm, 0, NULL, &transform)
2448 != GDI_ERROR)
2450 metrics->lbearing = gm.gmptGlyphOrigin.x;
2451 metrics->rbearing = gm.gmptGlyphOrigin.x + gm.gmBlackBoxX;
2452 metrics->width = gm.gmCellIncX;
2453 metrics->status = W32METRIC_SUCCESS;
2455 else
2456 metrics->status = W32METRIC_FAIL;
2459 DEFUN ("x-select-font", Fx_select_font, Sx_select_font, 0, 2, 0,
2460 doc: /* Read a font name using a W32 font selection dialog.
2461 Return fontconfig style font string corresponding to the selection.
2463 If FRAME is omitted or nil, it defaults to the selected frame.
2464 If EXCLUDE-PROPORTIONAL is non-nil, exclude proportional fonts
2465 in the font selection dialog. */)
2466 (Lisp_Object frame, Lisp_Object exclude_proportional)
2468 FRAME_PTR f = check_x_frame (frame);
2469 CHOOSEFONT cf;
2470 LOGFONT lf;
2471 TEXTMETRIC tm;
2472 HDC hdc;
2473 HANDLE oldobj;
2474 char buf[100];
2476 memset (&cf, 0, sizeof (cf));
2477 memset (&lf, 0, sizeof (lf));
2479 cf.lStructSize = sizeof (cf);
2480 cf.hwndOwner = FRAME_W32_WINDOW (f);
2481 cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS;
2483 /* If exclude_proportional is non-nil, limit the selection to
2484 monospaced fonts. */
2485 if (!NILP (exclude_proportional))
2486 cf.Flags |= CF_FIXEDPITCHONLY;
2488 cf.lpLogFont = &lf;
2490 /* Initialize as much of the font details as we can from the current
2491 default font. */
2492 hdc = GetDC (FRAME_W32_WINDOW (f));
2493 oldobj = SelectObject (hdc, FONT_HANDLE (FRAME_FONT (f)));
2494 GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName);
2495 if (GetTextMetrics (hdc, &tm))
2497 lf.lfHeight = tm.tmInternalLeading - tm.tmHeight;
2498 lf.lfWeight = tm.tmWeight;
2499 lf.lfItalic = tm.tmItalic;
2500 lf.lfUnderline = tm.tmUnderlined;
2501 lf.lfStrikeOut = tm.tmStruckOut;
2502 lf.lfCharSet = tm.tmCharSet;
2503 cf.Flags |= CF_INITTOLOGFONTSTRUCT;
2505 SelectObject (hdc, oldobj);
2506 ReleaseDC (FRAME_W32_WINDOW (f), hdc);
2508 if (!ChooseFont (&cf)
2509 || logfont_to_fcname (&lf, cf.iPointSize, buf, 100) < 0)
2510 return Qnil;
2512 return DECODE_SYSTEM (build_string (buf));
2515 static const char *const w32font_booleans [] = {
2516 NULL,
2519 static const char *const w32font_non_booleans [] = {
2520 ":script",
2521 ":antialias",
2522 ":style",
2523 NULL,
2526 static void
2527 w32font_filter_properties (Lisp_Object font, Lisp_Object alist)
2529 font_filter_properties (font, alist, w32font_booleans, w32font_non_booleans);
2532 struct font_driver w32font_driver =
2534 0, /* Qgdi */
2535 0, /* case insensitive */
2536 w32font_get_cache,
2537 w32font_list,
2538 w32font_match,
2539 w32font_list_family,
2540 NULL, /* free_entity */
2541 w32font_open,
2542 w32font_close,
2543 NULL, /* prepare_face */
2544 NULL, /* done_face */
2545 w32font_has_char,
2546 w32font_encode_char,
2547 w32font_text_extents,
2548 w32font_draw,
2549 NULL, /* get_bitmap */
2550 NULL, /* free_bitmap */
2551 NULL, /* get_outline */
2552 NULL, /* free_outline */
2553 NULL, /* anchor_point */
2554 NULL, /* otf_capability */
2555 NULL, /* otf_drive */
2556 NULL, /* start_for_frame */
2557 NULL, /* end_for_frame */
2558 NULL, /* shape */
2559 NULL, /* check */
2560 NULL, /* get_variation_glyphs */
2561 w32font_filter_properties,
2562 NULL, /* cached_font_ok */
2566 /* Initialize state that does not change between invocations. This is only
2567 called when Emacs is dumped. */
2568 void
2569 syms_of_w32font (void)
2571 DEFSYM (Qgdi, "gdi");
2572 DEFSYM (Quniscribe, "uniscribe");
2573 DEFSYM (QCformat, ":format");
2575 /* Generic font families. */
2576 DEFSYM (Qmonospace, "monospace");
2577 DEFSYM (Qserif, "serif");
2578 DEFSYM (Qsansserif, "sansserif");
2579 DEFSYM (Qscript, "script");
2580 DEFSYM (Qdecorative, "decorative");
2581 /* Aliases. */
2582 DEFSYM (Qsans_serif, "sans_serif");
2583 DEFSYM (Qsans, "sans");
2584 DEFSYM (Qmono, "mono");
2586 /* Fake foundries. */
2587 DEFSYM (Qraster, "raster");
2588 DEFSYM (Qoutline, "outline");
2589 DEFSYM (Qunknown, "unknown");
2591 /* Antialiasing. */
2592 DEFSYM (Qstandard, "standard");
2593 DEFSYM (Qsubpixel, "subpixel");
2594 DEFSYM (Qnatural, "natural");
2596 /* Languages */
2597 DEFSYM (Qzh, "zh");
2599 /* Scripts */
2600 DEFSYM (Qlatin, "latin");
2601 DEFSYM (Qgreek, "greek");
2602 DEFSYM (Qcoptic, "coptic");
2603 DEFSYM (Qcyrillic, "cyrillic");
2604 DEFSYM (Qarmenian, "armenian");
2605 DEFSYM (Qhebrew, "hebrew");
2606 DEFSYM (Qarabic, "arabic");
2607 DEFSYM (Qsyriac, "syriac");
2608 DEFSYM (Qnko, "nko");
2609 DEFSYM (Qthaana, "thaana");
2610 DEFSYM (Qdevanagari, "devanagari");
2611 DEFSYM (Qbengali, "bengali");
2612 DEFSYM (Qgurmukhi, "gurmukhi");
2613 DEFSYM (Qgujarati, "gujarati");
2614 DEFSYM (Qoriya, "oriya");
2615 DEFSYM (Qtamil, "tamil");
2616 DEFSYM (Qtelugu, "telugu");
2617 DEFSYM (Qkannada, "kannada");
2618 DEFSYM (Qmalayalam, "malayalam");
2619 DEFSYM (Qsinhala, "sinhala");
2620 DEFSYM (Qthai, "thai");
2621 DEFSYM (Qlao, "lao");
2622 DEFSYM (Qtibetan, "tibetan");
2623 DEFSYM (Qmyanmar, "myanmar");
2624 DEFSYM (Qgeorgian, "georgian");
2625 DEFSYM (Qhangul, "hangul");
2626 DEFSYM (Qethiopic, "ethiopic");
2627 DEFSYM (Qcherokee, "cherokee");
2628 DEFSYM (Qcanadian_aboriginal, "canadian-aboriginal");
2629 DEFSYM (Qogham, "ogham");
2630 DEFSYM (Qrunic, "runic");
2631 DEFSYM (Qkhmer, "khmer");
2632 DEFSYM (Qmongolian, "mongolian");
2633 DEFSYM (Qbraille, "braille");
2634 DEFSYM (Qhan, "han");
2635 DEFSYM (Qideographic_description, "ideographic-description");
2636 DEFSYM (Qcjk_misc, "cjk-misc");
2637 DEFSYM (Qkana, "kana");
2638 DEFSYM (Qbopomofo, "bopomofo");
2639 DEFSYM (Qkanbun, "kanbun");
2640 DEFSYM (Qyi, "yi");
2641 DEFSYM (Qbyzantine_musical_symbol, "byzantine-musical-symbol");
2642 DEFSYM (Qmusical_symbol, "musical-symbol");
2643 DEFSYM (Qmathematical, "mathematical");
2644 DEFSYM (Qcham, "cham");
2645 DEFSYM (Qphonetic, "phonetic");
2646 DEFSYM (Qbalinese, "balinese");
2647 DEFSYM (Qbuginese, "buginese");
2648 DEFSYM (Qbuhid, "buhid");
2649 DEFSYM (Qcuneiform, "cuneiform");
2650 DEFSYM (Qcypriot, "cypriot");
2651 DEFSYM (Qdeseret, "deseret");
2652 DEFSYM (Qglagolitic, "glagolitic");
2653 DEFSYM (Qgothic, "gothic");
2654 DEFSYM (Qhanunoo, "hanunoo");
2655 DEFSYM (Qkharoshthi, "kharoshthi");
2656 DEFSYM (Qlimbu, "limbu");
2657 DEFSYM (Qlinear_b, "linear_b");
2658 DEFSYM (Qold_italic, "old_italic");
2659 DEFSYM (Qold_persian, "old_persian");
2660 DEFSYM (Qosmanya, "osmanya");
2661 DEFSYM (Qphags_pa, "phags-pa");
2662 DEFSYM (Qphoenician, "phoenician");
2663 DEFSYM (Qshavian, "shavian");
2664 DEFSYM (Qsyloti_nagri, "syloti_nagri");
2665 DEFSYM (Qtagalog, "tagalog");
2666 DEFSYM (Qtagbanwa, "tagbanwa");
2667 DEFSYM (Qtai_le, "tai_le");
2668 DEFSYM (Qtifinagh, "tifinagh");
2669 DEFSYM (Qugaritic, "ugaritic");
2671 /* W32 font encodings. */
2672 DEFVAR_LISP ("w32-charset-info-alist",
2673 Vw32_charset_info_alist,
2674 doc: /* Alist linking Emacs character sets to Windows fonts and codepages.
2675 Each entry should be of the form:
2677 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))
2679 where CHARSET_NAME is a string used in font names to identify the charset,
2680 WINDOWS_CHARSET is a symbol that can be one of:
2682 w32-charset-ansi, w32-charset-default, w32-charset-symbol,
2683 w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,
2684 w32-charset-chinesebig5, w32-charset-johab, w32-charset-hebrew,
2685 w32-charset-arabic, w32-charset-greek, w32-charset-turkish,
2686 w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,
2687 w32-charset-russian, w32-charset-mac, w32-charset-baltic,
2688 or w32-charset-oem.
2690 CODEPAGE should be an integer specifying the codepage that should be used
2691 to display the character set, t to do no translation and output as Unicode,
2692 or nil to do no translation and output as 8 bit (or multibyte on far-east
2693 versions of Windows) characters. */);
2694 Vw32_charset_info_alist = Qnil;
2696 DEFSYM (Qw32_charset_ansi, "w32-charset-ansi");
2697 DEFSYM (Qw32_charset_symbol, "w32-charset-symbol");
2698 DEFSYM (Qw32_charset_default, "w32-charset-default");
2699 DEFSYM (Qw32_charset_shiftjis, "w32-charset-shiftjis");
2700 DEFSYM (Qw32_charset_hangeul, "w32-charset-hangeul");
2701 DEFSYM (Qw32_charset_chinesebig5, "w32-charset-chinesebig5");
2702 DEFSYM (Qw32_charset_gb2312, "w32-charset-gb2312");
2703 DEFSYM (Qw32_charset_oem, "w32-charset-oem");
2704 DEFSYM (Qw32_charset_johab, "w32-charset-johab");
2705 DEFSYM (Qw32_charset_easteurope, "w32-charset-easteurope");
2706 DEFSYM (Qw32_charset_turkish, "w32-charset-turkish");
2707 DEFSYM (Qw32_charset_baltic, "w32-charset-baltic");
2708 DEFSYM (Qw32_charset_russian, "w32-charset-russian");
2709 DEFSYM (Qw32_charset_arabic, "w32-charset-arabic");
2710 DEFSYM (Qw32_charset_greek, "w32-charset-greek");
2711 DEFSYM (Qw32_charset_hebrew, "w32-charset-hebrew");
2712 DEFSYM (Qw32_charset_vietnamese, "w32-charset-vietnamese");
2713 DEFSYM (Qw32_charset_thai, "w32-charset-thai");
2714 DEFSYM (Qw32_charset_mac, "w32-charset-mac");
2716 defsubr (&Sx_select_font);
2718 w32font_driver.type = Qgdi;
2719 register_font_driver (&w32font_driver, NULL);
2722 void
2723 globals_of_w32font (void)
2725 g_b_init_is_w9x = 0;
2726 g_b_init_get_outline_metrics_w = 0;
2727 g_b_init_get_text_metrics_w = 0;
2728 g_b_init_get_glyph_outline_w = 0;