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Release 20000326.
[wine/gsoc-2012-control.git] / graphics / x11drv / xfont.c
blobb98461d6318d4251d661b19f1452393264fe4574
1 /*
2 * X11 physical font objects
3 *
4 * Copyright 1997 Alex Korobka
5 *
6 * TODO: Mapping algorithm tweaks, FO_SYNTH_... flags (ExtTextOut() will
7 * have to be changed for that), dynamic font loading (FreeType).
8 */
9
10 #include "config.h"
11
12 #ifndef X_DISPLAY_MISSING
13 #include <X11/Xatom.h>
14 #include "ts_xlib.h"
15 #include "x11font.h"
16 #endif /* !defined(X_DISPLAY_MISSING) */
17
18 #include <ctype.h>
19 #include <stdio.h>
20 #include <stdlib.h>
21 #include <string.h>
22 #include <unistd.h>
23 #include <sys/types.h>
24 #include <sys/stat.h>
25 #include <fcntl.h>
26 #include <math.h>
27 #include <assert.h>
28 #include "windef.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "heap.h"
32 #include "options.h"
33 #include "font.h"
34 #include "debugtools.h"
35 #include "ldt.h"
36 #include "tweak.h"
37
38 DEFAULT_DEBUG_CHANNEL(font)
39
40 #ifndef X_DISPLAY_MISSING
41
42 #define X_PFONT_MAGIC (0xFADE0000)
43 #define X_FMC_MAGIC (0x0000CAFE)
44
45 #define MAX_FONTS 1024*16
46 #define MAX_LFD_LENGTH 256
47 #define TILDE '~'
48 #define HYPHEN '-'
49
50 #define DEF_POINT_SIZE 8 /* CreateFont(0 .. ) gets this */
51 #define DEF_SCALABLE_HEIGHT 100 /* pixels */
52 #define MIN_FONT_SIZE 2 /* Min size in pixels */
53 #define MAX_FONT_SIZE 1000 /* Max size in pixels */
54
55 #define REMOVE_SUBSETS 1
56 #define UNMARK_SUBSETS 0
57
58
59 #define FF_FAMILY (FF_MODERN | FF_SWISS | FF_ROMAN | FF_DECORATIVE | FF_SCRIPT)
60
61 typedef struct __fontAlias
62 {
63 LPSTR faTypeFace;
64 LPSTR faAlias;
65 struct __fontAlias* next;
66 } fontAlias;
67
68 static fontAlias *aliasTable = NULL;
69
70 UINT16 XTextCaps = TC_OP_CHARACTER | TC_OP_STROKE |
71 TC_CP_STROKE | TC_CR_ANY |
72 TC_SA_DOUBLE | TC_SA_INTEGER | TC_SA_CONTIN |
73 TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE;
74
75 /* X11R6 adds TC_SF_X_YINDEP, maybe more... */
76
77 static const char* INIWinePrefix = "/.wine";
78 static const char* INIFontMetrics = "/cachedmetrics.";
79 static const char* INIFontSection = "fonts";
80 static const char* INIAliasSection = "Alias";
81 static const char* INIIgnoreSection = "Ignore";
82 static const char* INIDefault = "Default";
83 static const char* INIDefaultFixed = "DefaultFixed";
84 static const char* INIResolution = "Resolution";
85 static const char* INIGlobalMetrics = "FontMetrics";
86 static const char* INIDefaultSerif = "DefaultSerif";
87 static const char* INIDefaultSansSerif = "DefaultSansSerif";
88
89
90 /* FIXME - are there any more Latin charsets ? */
91 #define IS_LATIN_CHARSET(ch) \
92 ((ch)==ANSI_CHARSET ||\
93 (ch)==EE_CHARSET ||\
94 (ch)==ISO3_CHARSET ||\
95 (ch)==ISO4_CHARSET ||\
96 (ch)==RUSSIAN_CHARSET ||\
97 (ch)==ARABIC_CHARSET ||\
98 (ch)==GREEK_CHARSET ||\
99 (ch)==HEBREW_CHARSET ||\
100 (ch)==TURKISH_CHARSET ||\
101 (ch)==BALTIC_CHARSET)
102
103 /* suffix-charset mapping tables - must be less than 254 entries long */
104
105 typedef struct __sufch
106 {
107 LPSTR psuffix;
108 BYTE charset;
109 } SuffixCharset;
110
111 static SuffixCharset sufch_ansi[] = {
112 { "0", ANSI_CHARSET },
113 { NULL, ANSI_CHARSET }};
114
115 static SuffixCharset sufch_iso646[] = {
116 { "irv", ANSI_CHARSET },
117 { NULL, SYMBOL_CHARSET }};
118
119 static SuffixCharset sufch_iso8859[] = {
120 { "1", ANSI_CHARSET },
121 { "2", EE_CHARSET },
122 { "3", ISO3_CHARSET },
123 { "4", ISO4_CHARSET },
124 { "5", RUSSIAN_CHARSET },
125 { "6", ARABIC_CHARSET },
126 { "7", GREEK_CHARSET },
127 { "8", HEBREW_CHARSET },
128 { "9", TURKISH_CHARSET },
129 { "10", BALTIC_CHARSET },
130 { "11", THAI_CHARSET },
131 { "12", SYMBOL_CHARSET },
132 { "13", SYMBOL_CHARSET },
133 { "14", SYMBOL_CHARSET },
134 { "15", ANSI_CHARSET },
135 { NULL, SYMBOL_CHARSET }};
136
137 static SuffixCharset sufch_microsoft[] = {
138 { "cp1250", EE_CHARSET },
139 { "cp1251", RUSSIAN_CHARSET },
140 { "cp1252", ANSI_CHARSET },
141 { "cp1253", GREEK_CHARSET },
142 { "cp1254", TURKISH_CHARSET },
143 { "cp1255", HEBREW_CHARSET },
144 { "cp1256", ARABIC_CHARSET },
145 { "cp1257", BALTIC_CHARSET },
146 { "fontspecific", SYMBOL_CHARSET },
147 { "symbol", SYMBOL_CHARSET },
148 { NULL, SYMBOL_CHARSET }};
149
150 static SuffixCharset sufch_tcvn[] = {
151 { "0", TCVN_CHARSET },
152 { NULL, TCVN_CHARSET }};
153
154 static SuffixCharset sufch_tis620[] = {
155 { "0", THAI_CHARSET },
156 { NULL, THAI_CHARSET }};
157
158 static SuffixCharset sufch_viscii[] = {
159 { "1", VISCII_CHARSET },
160 { NULL, VISCII_CHARSET }};
161
162 static SuffixCharset sufch_windows[] = {
163 { "1250", EE_CHARSET },
164 { "1251", RUSSIAN_CHARSET },
165 { "1252", ANSI_CHARSET },
166 { "1253", GREEK_CHARSET },
167 { "1254", TURKISH_CHARSET },
168 { "1255", HEBREW_CHARSET },
169 { "1256", ARABIC_CHARSET },
170 { "1257", BALTIC_CHARSET },
171 { NULL, BALTIC_CHARSET }}; /* CHECK/FIXME is BALTIC really the default ? */
172
173 static SuffixCharset sufch_koi8[] = {
174 { "r", RUSSIAN_CHARSET },
175 { NULL, RUSSIAN_CHARSET }};
176
177 /* Each of these must be matched explicitly */
178 static SuffixCharset sufch_any[] = {
179 { "fontspecific", SYMBOL_CHARSET },
180 { NULL, 0 }};
181
182
183 typedef struct __fet
184 {
185 LPSTR prefix;
186 SuffixCharset* sufch;
187 struct __fet* next;
188 } fontEncodingTemplate;
189
190 /* Note: we can attach additional encoding mappings to the end
191 * of this table at runtime.
192 */
193 static fontEncodingTemplate __fETTable[] = {
194 { "ansi", sufch_ansi, &__fETTable[1] },
195 { "ascii", sufch_ansi, &__fETTable[2] },
196 { "iso646.1991", sufch_iso646, &__fETTable[3] },
197 { "iso8859", sufch_iso8859, &__fETTable[4] },
198 { "microsoft", sufch_microsoft, &__fETTable[5] },
199 { "tcvn", sufch_tcvn, &__fETTable[6] },
200 { "tis620.2533", sufch_tis620, &__fETTable[7] },
201 { "viscii1.1", sufch_viscii, &__fETTable[8] },
202 { "windows", sufch_windows, &__fETTable[9] },
203 { "koi8", sufch_koi8, &__fETTable[10] },
204 /* NULL prefix matches anything so put it last */
205 { NULL, sufch_any, NULL },
206 };
207 static fontEncodingTemplate* fETTable = __fETTable;
208
209 static int DefResolution = 0;
210
211 static CRITICAL_SECTION crtsc_fonts_X11;
212
213 static fontResource* fontList = NULL;
214 static fontObject* fontCache = NULL; /* array */
215 static int fontCacheSize = FONTCACHE;
216 static int fontLF = -1, fontMRU = -1; /* last free, most recently used */
217
218 #define __PFONT(pFont) ( fontCache + ((UINT)(pFont) & 0x0000FFFF) )
219 #define CHECK_PFONT(pFont) ( (((UINT)(pFont) & 0xFFFF0000) == X_PFONT_MAGIC) &&\
220 (((UINT)(pFont) & 0x0000FFFF) < fontCacheSize) )
221
222 static Atom RAW_ASCENT;
223 static Atom RAW_DESCENT;
224
225 /***********************************************************************
226 * Helper macros from X distribution
227 */
228
229 #define CI_NONEXISTCHAR(cs) (((cs)->width == 0) && \
230 (((cs)->rbearing|(cs)->lbearing| \
231 (cs)->ascent|(cs)->descent) == 0))
232
233 #define CI_GET_CHAR_INFO(fs,col,def,cs) \
234 { \
235 cs = def; \
236 if (col >= fs->min_char_or_byte2 && col <= fs->max_char_or_byte2) { \
237 if (fs->per_char == NULL) { \
238 cs = &fs->min_bounds; \
239 } else { \
240 cs = &fs->per_char[(col - fs->min_char_or_byte2)]; \
241 if (CI_NONEXISTCHAR(cs)) cs = def; \
242 } \
243 } \
244 }
245
246 #define CI_GET_DEFAULT_INFO(fs,cs) \
247 CI_GET_CHAR_INFO(fs, fs->default_char, NULL, cs)
248
249 /***********************************************************************
250 * Checksums
251 */
252 static UINT16 __lfCheckSum( LPLOGFONT16 plf )
253 {
254 CHAR font[LF_FACESIZE];
255 UINT16 checksum = 0;
256 UINT16 i;
257
258 #define ptr ((UINT16*)plf)
259 for( i = 0; i < 9; i++ ) checksum ^= *ptr++;
260 #undef ptr
261 i = 0;
262 #define ptr ((CHAR*)plf)
263 do { font[i++] = tolower(*ptr++); } while (( i < LF_FACESIZE) && (*ptr) && (*ptr!=' '));
264 for( ptr = font, i >>= 1; i > 0; i-- )
265 #undef ptr
266 #define ptr ((UINT16*)plf)
267 checksum ^= *ptr++;
268 #undef ptr
269 return checksum;
270 }
271
272 static UINT16 __genericCheckSum( const void *ptr, int size )
273 {
274 unsigned int checksum = 0;
275 const char *p = (const char *)ptr;
276 while (size-- > 0)
277 checksum ^= (checksum << 3) + (checksum >> 29) + *p++;
278
279 return checksum & 0xffff;
280 }
281
282 /*************************************************************************
283 * LFD parse/compose routines
284 *
285 * NB. LFD_Parse will use lpFont for its own ends, so if you want to keep it
286 * make a copy first
287 *
288 * These functions also do TILDE to HYPHEN conversion
289 */
290 static LFD* LFD_Parse(LPSTR lpFont)
291 {
292 LFD* lfd;
293 char *lpch = lpFont, *lfd_fld[LFD_FIELDS], *field_start;
294 int i;
295 if (*lpch != HYPHEN)
296 {
297 WARN("font '%s' doesn't begin with '%c'\n", lpFont, HYPHEN);
298 return NULL;
299 }
300
301 field_start = ++lpch;
302 for( i = 0; i < LFD_FIELDS; )
303 {
304 if (*lpch == HYPHEN)
305 {
306 *lpch = '\0';
307 lfd_fld[i] = field_start;
308 i++;
309 field_start = ++lpch;
310 }
311 else if (!*lpch)
312 {
313 lfd_fld[i] = field_start;
314 i++;
315 break;
316 }
317 else if (*lpch == TILDE)
318 {
319 *lpch = HYPHEN;
320 ++lpch;
321 }
322 else
323 ++lpch;
324 }
325 /* Fill in the empty fields with NULLS */
326 for (; i< LFD_FIELDS; i++)
327 lfd_fld[i] = NULL;
328 if (*lpch)
329 WARN("Extra ignored in font '%s'\n", lpFont);
330
331 lfd = HeapAlloc( GetProcessHeap(), 0, sizeof(LFD) );
332 if (lfd)
333 {
334 lfd->foundry = lfd_fld[0];
335 lfd->family = lfd_fld[1];
336 lfd->weight = lfd_fld[2];
337 lfd->slant = lfd_fld[3];
338 lfd->set_width = lfd_fld[4];
339 lfd->add_style = lfd_fld[5];
340 lfd->pixel_size = lfd_fld[6];
341 lfd->point_size = lfd_fld[7];
342 lfd->resolution_x = lfd_fld[8];
343 lfd->resolution_y = lfd_fld[9];
344 lfd->spacing = lfd_fld[10];
345 lfd->average_width = lfd_fld[11];
346 lfd->charset_registry = lfd_fld[12];
347 lfd->charset_encoding = lfd_fld[13];
348 }
349 return lfd;
350 }
351
352
353 static void LFD_UnParse(LPSTR dp, UINT buf_size, LFD* lfd)
354 {
355 char* lfd_fld[LFD_FIELDS];
356 int i;
357
358 if (!buf_size)
359 return; /* Dont be silly */
360
361 lfd_fld[0] = lfd->foundry;
362 lfd_fld[1] = lfd->family;
363 lfd_fld[2] = lfd->weight ;
364 lfd_fld[3] = lfd->slant ;
365 lfd_fld[4] = lfd->set_width ;
366 lfd_fld[5] = lfd->add_style;
367 lfd_fld[6] = lfd->pixel_size;
368 lfd_fld[7] = lfd->point_size;
369 lfd_fld[8] = lfd->resolution_x;
370 lfd_fld[9] = lfd->resolution_y ;
371 lfd_fld[10] = lfd->spacing ;
372 lfd_fld[11] = lfd->average_width ;
373 lfd_fld[12] = lfd->charset_registry ;
374 lfd_fld[13] = lfd->charset_encoding ;
375
376 buf_size--; /* Room for the terminator */
377
378 for (i = 0; i < LFD_FIELDS; i++)
379 {
380 char* sp = lfd_fld[i];
381 if (!sp || !buf_size)
382 break;
383
384 *dp++ = HYPHEN;
385 buf_size--;
386 while (buf_size > 0 && *sp)
387 {
388 *dp = (*sp == HYPHEN) ? TILDE : *sp;
389 buf_size--;
390 dp++; sp++;
391 }
392 }
393 *dp = '\0';
394 }
395
396
397 static void LFD_GetWeight( fontInfo* fi, LPCSTR lpStr)
398 {
399 int j = lstrlenA(lpStr);
400 if( j == 1 && *lpStr == '0')
401 fi->fi_flags |= FI_POLYWEIGHT;
402 else if( j == 4 )
403 {
404 if( !strcasecmp( "bold", lpStr) )
405 fi->df.dfWeight = FW_BOLD;
406 else if( !strcasecmp( "demi", lpStr) )
407 {
408 fi->fi_flags |= FI_FW_DEMI;
409 fi->df.dfWeight = FW_DEMIBOLD;
410 }
411 else if( !strcasecmp( "book", lpStr) )
412 {
413 fi->fi_flags |= FI_FW_BOOK;
414 fi->df.dfWeight = FW_REGULAR;
415 }
416 }
417 else if( j == 5 )
418 {
419 if( !strcasecmp( "light", lpStr) )
420 fi->df.dfWeight = FW_LIGHT;
421 else if( !strcasecmp( "black", lpStr) )
422 fi->df.dfWeight = FW_BLACK;
423 }
424 else if( j == 6 && !strcasecmp( "medium", lpStr) )
425 fi->df.dfWeight = FW_REGULAR;
426 else if( j == 8 && !strcasecmp( "demibold", lpStr) )
427 fi->df.dfWeight = FW_DEMIBOLD;
428 else
429 fi->df.dfWeight = FW_DONTCARE; /* FIXME: try to get something
430 * from the weight property */
431 }
432
433 static BOOL LFD_GetSlant( fontInfo* fi, LPCSTR lpStr)
434 {
435 int l = lstrlenA(lpStr);
436 if( l == 1 )
437 {
438 switch( tolower( *lpStr ) )
439 {
440 case '0': fi->fi_flags |= FI_POLYSLANT; /* haven't seen this one yet */
441 default:
442 case 'r': fi->df.dfItalic = 0;
443 break;
444 case 'o':
445 fi->fi_flags |= FI_OBLIQUE;
446 case 'i': fi->df.dfItalic = 1;
447 break;
448 }
449 return FALSE;
450 }
451 return TRUE;
452 }
453
454 static void LFD_GetStyle( fontInfo* fi, LPCSTR lpstr, int dec_style_check)
455 {
456 int j = lstrlenA(lpstr);
457 if( j > 3 ) /* find out is there "sans" or "script" */
458 {
459 j = 0;
460
461 if( strstr(lpstr, "sans") )
462 {
463 fi->df.dfPitchAndFamily |= FF_SWISS;
464 j = 1;
465 }
466 if( strstr(lpstr, "script") )
467 {
468 fi->df.dfPitchAndFamily |= FF_SCRIPT;
469 j = 1;
470 }
471 if( !j && dec_style_check )
472 fi->df.dfPitchAndFamily |= FF_DECORATIVE;
473 }
474 }
475
476 /*************************************************************************
477 * LFD_InitFontInfo
478 *
479 * INIT ONLY
480 *
481 * Fill in some fields in the fontInfo struct.
482 */
483 static int LFD_InitFontInfo( fontInfo* fi, const LFD* lfd, LPCSTR fullname )
484 {
485 int i, j, dec_style_check, scalability;
486 fontEncodingTemplate* boba;
487 const char* ridiculous = "font '%s' has ridiculous %s\n";
488 char* lpstr;
489
490 if (!lfd->charset_registry)
491 {
492 WARN("font '%s' does not have enough fields\n", fullname);
493 return FALSE;
494 }
495
496 memset(fi, 0, sizeof(fontInfo) );
497
498 /* weight name - */
499 LFD_GetWeight( fi, lfd->weight);
500
501 /* slant - */
502 dec_style_check = LFD_GetSlant( fi, lfd->slant);
503
504 /* width name - */
505 lpstr = lfd->set_width;
506 if( strcasecmp( "normal", lpstr) ) /* XXX 'narrow', 'condensed', etc... */
507 dec_style_check = TRUE;
508 else
509 fi->fi_flags |= FI_NORMAL;
510
511 /* style - */
512 LFD_GetStyle(fi, lfd->add_style, dec_style_check);
513
514 /* pixel & decipoint height, and res_x & y */
515
516 scalability = 0;
517
518 j = strlen(lfd->pixel_size);
519 if( j == 0 || j > 3 )
520 {
521 WARN(ridiculous, fullname, "pixel_size");
522 return FALSE;
523 }
524 if( !(fi->lfd_height = atoi(lfd->pixel_size)) )
525 scalability++;
526
527 j = strlen(lfd->point_size);
528 if( j == 0 || j > 3 )
529 {
530 WARN(ridiculous, fullname, "point_size");
531 return FALSE;
532 }
533 if( !(atoi(lfd->point_size)) )
534 scalability++;
535
536 j = strlen(lfd->resolution_x);
537 if( j == 0 || j > 3 )
538 {
539 WARN(ridiculous, fullname, "resolution_x");
540 return FALSE;
541 }
542 if( !(fi->lfd_resolution = atoi(lfd->resolution_x)) )
543 scalability++;
544
545 j = strlen(lfd->resolution_y);
546 if( j == 0 || j > 3 )
547 {
548 WARN(ridiculous, fullname, "resolution_y");
549 return FALSE;
550 }
551 if( !(atoi(lfd->resolution_y)) )
552 scalability++;
553
554 /* Check scalability */
555 switch (scalability)
556 {
557 case 0: /* Bitmap */
558 break;
559 case 4: /* Scalable */
560 fi->fi_flags |= FI_SCALABLE;
561 break;
562 case 2:
563 /* #$%^!!! X11R6 mutant garbage (scalable bitmap) */
564 TRACE("Skipping scalable bitmap '%s'\n", fullname);
565 return FALSE;
566 default:
567 WARN("Font '%s' has weird scalability\n", fullname);
568 return FALSE;
569 }
570
571 /* spacing - */
572 lpstr = lfd->spacing;
573 switch( *lpstr )
574 {
575 case '\0':
576 WARN("font '%s' has no spacing\n", fullname);
577 return FALSE;
578
579 case 'p': fi->fi_flags |= FI_VARIABLEPITCH;
580 break;
581 case 'c': fi->df.dfPitchAndFamily |= FF_MODERN;
582 fi->fi_flags |= FI_FIXEDEX;
583 /* fall through */
584 case 'm': fi->fi_flags |= FI_FIXEDPITCH;
585 break;
586 default:
587 /* Of course this line does nothing */
588 fi->df.dfPitchAndFamily |= DEFAULT_PITCH | FF_DONTCARE;
589 }
590
591 /* average width - */
592 lpstr = lfd->average_width;
593 j = strlen(lpstr);
594 if( j == 0 || j > 3 )
595 {
596 WARN(ridiculous, fullname, "average_width");
597 return FALSE;
598 }
599
600 if( !(atoi(lpstr)) && !scalability )
601 {
602 WARN("font '%s' has average_width 0 but is not scalable!!\n", fullname);
603 return FALSE;
604 }
605
606 /* charset registry, charset encoding - */
607 lpstr = lfd->charset_registry;
608 if( strstr(lpstr, "jisx") ||
609 strstr(lpstr, "ksc") ||
610 strstr(lpstr, "gb2312") ||
611 strstr(lpstr, "big5") ||
612 strstr(lpstr, "unicode") )
613 {
614 TRACE(" 2-byte fonts like '%s' are not supported\n", fullname);
615 return FALSE;
616 }
617
618 fi->df.dfCharSet = ANSI_CHARSET;
619
620 for( i = 0, boba = fETTable; boba; boba = boba->next, i++ )
621 {
622 if (!boba->prefix || !strcasecmp(lpstr, boba->prefix))
623 {
624 if (lfd->charset_encoding)
625 {
626 for( j = 0; boba->sufch[j].psuffix; j++ )
627 {
628 if( !strcasecmp(lfd->charset_encoding, boba->sufch[j].psuffix ))
629 {
630 fi->df.dfCharSet = boba->sufch[j].charset;
631 goto done;
632 }
633 }
634 if (boba->prefix)
635 {
636 WARN("font '%s' has unknown character encoding '%s'\n",
637 fullname, lfd->charset_encoding);
638 fi->df.dfCharSet = boba->sufch[j].charset;
639 j = 254;
640 goto done;
641 }
642 }
643 else if (boba->prefix)
644 {
645 for( j = 0; boba->sufch[j].psuffix; j++ )
646 ;
647 fi->df.dfCharSet = boba->sufch[j].charset;
648 j = 255;
649 goto done;
650 }
651 }
652 }
653 WARN("font '%s' has unknown character set '%s'\n", fullname, lpstr);
654 return FALSE;
655
656 done:
657 /* i - index into fETTable
658 * j - index into suffix array for fETTable[i]
659 * except:
660 * 254 - unknown suffix
661 * 255 - no suffix at all.
662 */
663 fi->fi_encoding = 256 * (UINT16)i + (UINT16)j;
664
665 return TRUE;
666 }
667
668
669 /*************************************************************************
670 * LFD_AngleMatrix
671 *
672 * make a matrix suitable for LFD based on theta radians
673 */
674 static void LFD_AngleMatrix( char* buffer, int h, double theta)
675 {
676 double matrix[4];
677 matrix[0] = h*cos(theta);
678 matrix[1] = h*sin(theta);
679 matrix[2] = -h*sin(theta);
680 matrix[3] = h*cos(theta);
681 sprintf(buffer, "[%+f%+f%+f%+f]", matrix[0], matrix[1], matrix[2], matrix[3]);
682 }
683
684 /*************************************************************************
685 * LFD_ComposeLFD
686 *
687 * Note: uRelax is a treatment not a cure. Font mapping algorithm
688 * should be bulletproof enough to allow us to avoid hacks like
689 * this despite LFD being so braindead.
690 */
691 static BOOL LFD_ComposeLFD( const fontObject* fo,
692 INT height, LPSTR lpLFD, UINT uRelax )
693 {
694 int i, h;
695 char *any = "*";
696 char h_string[64], resx_string[64], resy_string[64];
697 LFD aLFD;
698
699 /* Get the worst case over with first */
700
701 /* RealizeFont() will call us repeatedly with increasing uRelax
702 * until XLoadFont() succeeds.
703 * to avoid an infinite loop; these will always match
704 */
705 if (uRelax >= 5)
706 {
707 if (uRelax == 5)
708 sprintf( lpLFD, "-*-*-*-*-*-*-*-*-*-*-*-*-iso8859-1" );
709 else
710 sprintf( lpLFD, "-*-*-*-*-*-*-*-*-*-*-*-*-*-*" );
711 return TRUE;
712 }
713
714 /* read foundry + family from fo */
715 aLFD.foundry = fo->fr->resource->foundry;
716 aLFD.family = fo->fr->resource->family;
717
718 /* add weight */
719 switch( fo->fi->df.dfWeight )
720 {
721 case FW_BOLD:
722 aLFD.weight = "bold"; break;
723 case FW_REGULAR:
724 if( fo->fi->fi_flags & FI_FW_BOOK )
725 aLFD.weight = "book";
726 else
727 aLFD.weight = "medium";
728 break;
729 case FW_DEMIBOLD:
730 aLFD.weight = "demi";
731 if( !( fo->fi->fi_flags & FI_FW_DEMI) )
732 aLFD.weight = "bold";
733 break;
734 case FW_BLACK:
735 aLFD.weight = "black"; break;
736 case FW_LIGHT:
737 aLFD.weight = "light"; break;
738 default:
739 aLFD.weight = any;
740 }
741
742 /* add slant */
743 if( fo->fi->df.dfItalic )
744 if( fo->fi->fi_flags & FI_OBLIQUE )
745 aLFD.slant = "o";
746 else
747 aLFD.slant = "i";
748 else
749 aLFD.slant = (uRelax < 1) ? "r" : any;
750
751 /* add width */
752 if( fo->fi->fi_flags & FI_NORMAL )
753 aLFD.set_width = "normal";
754 else
755 aLFD.set_width = any;
756
757 /* ignore style */
758 aLFD.add_style = any;
759
760 /* add pixelheight
761 *
762 * FIXME: fill in lpXForm and lpPixmap for rotated fonts
763 */
764 if( fo->fo_flags & FO_SYNTH_HEIGHT )
765 h = fo->fi->lfd_height;
766 else
767 {
768 h = (fo->fi->lfd_height * height + (fo->fi->df.dfPixHeight>>1));
769 h /= fo->fi->df.dfPixHeight;
770 }
771 if (h < MIN_FONT_SIZE) /* Resist rounding down to 0 */
772 h = MIN_FONT_SIZE;
773 else if (h > MAX_FONT_SIZE) /* Sanity check as huge fonts can lock up the font server */
774 {
775 WARN("Huge font size %d pixels has been reduced to %d\n", h, MAX_FONT_SIZE);
776 h = MAX_FONT_SIZE;
777 }
778
779 if (uRelax <= 2)
780 /* handle rotated fonts */
781 if (fo->lf.lfEscapement) {
782 /* escapement is in tenths of degrees, theta is in radians */
783 double theta = M_PI*fo->lf.lfEscapement/1800.;
784 LFD_AngleMatrix(h_string, h, theta);
785 }
786 else
787 {
788 sprintf(h_string, "%d", h);
789 }
790 else
791 sprintf(h_string, "%d", fo->fi->lfd_height);
792
793 aLFD.pixel_size = h_string;
794 aLFD.point_size = any;
795
796 /* resolution_x,y, average width */
797 /* FOX ME - Why do some font servers ignore average width ?
798 * so that you have to mess around with res_y
799 */
800 aLFD.average_width = any;
801 if (uRelax <= 3)
802 {
803 sprintf(resx_string, "%d", fo->fi->lfd_resolution);
804 aLFD.resolution_x = resx_string;
805
806 strcpy(resy_string, resx_string);
807 if( uRelax == 0 && XTextCaps & TC_SF_X_YINDEP )
808 {
809 if( fo->lf.lfWidth && !(fo->fo_flags & FO_SYNTH_WIDTH))
810 {
811 int resy = 0.5 + fo->fi->lfd_resolution *
812 (fo->fi->df.dfAvgWidth * height) /
813 (fo->lf.lfWidth * fo->fi->df.dfPixHeight) ;
814 sprintf(resy_string, "%d", resy);
815 }
816 else
817 ; /* FIXME - synth width */
818 }
819 aLFD.resolution_y = resy_string;
820 }
821 else
822 {
823 aLFD.resolution_x = aLFD.resolution_y = any;
824 }
825
826 /* spacing */
827 {
828 char* w;
829
830 if( fo->fi->fi_flags & FI_FIXEDPITCH )
831 w = ( fo->fi->fi_flags & FI_FIXEDEX ) ? "c" : "m";
832 else
833 w = ( fo->fi->fi_flags & FI_VARIABLEPITCH ) ? "p" : any;
834
835 aLFD.spacing = (uRelax <= 1) ? w : any;
836 }
837
838 /* encoding */
839
840 if (uRelax <= 4)
841 {
842 fontEncodingTemplate* boba;
843
844 i = fo->fi->fi_encoding >> 8;
845 for( boba = fETTable; i; i--, boba = boba->next );
846
847 aLFD.charset_registry = boba->prefix ? boba->prefix : any;
848
849 i = fo->fi->fi_encoding & 255;
850 switch( i )
851 {
852 default:
853 aLFD.charset_encoding = boba->sufch[i].psuffix;
854 break;
855
856 case 254:
857 aLFD.charset_encoding = any;
858 break;
859
860 case 255: /* no suffix - it ends eg "-ascii" */
861 aLFD.charset_encoding = NULL;
862 break;
863 }
864 }
865 else
866 {
867 aLFD.charset_registry = any;
868 aLFD.charset_encoding = any;
869 }
870
871 LFD_UnParse(lpLFD, MAX_LFD_LENGTH, &aLFD);
872
873 TRACE("\tLFD(uRelax=%d): %s\n", uRelax, lpLFD );
874 return TRUE;
875 }
876
877
878 /***********************************************************************
879 * X Font Resources
880 *
881 * font info - http://www.microsoft.com/kb/articles/q65/1/23.htm
882 * Windows font metrics - http://www.microsoft.com/kb/articles/q32/6/67.htm
883 */
884 static void XFONT_GetLeading( const LPIFONTINFO16 pFI, const XFontStruct* x_fs,
885 INT16* pIL, INT16* pEL, const XFONTTRANS *XFT )
886 {
887 unsigned long height;
888 unsigned min = (unsigned char)pFI->dfFirstChar;
889 BOOL bIsLatin = IS_LATIN_CHARSET(pFI->dfCharSet);
890
891 if( pEL ) *pEL = 0;
892
893 if(XFT) {
894 Atom RAW_CAP_HEIGHT = TSXInternAtom(display, "RAW_CAP_HEIGHT", TRUE);
895 if(TSXGetFontProperty((XFontStruct*)x_fs, RAW_CAP_HEIGHT, &height))
896 *pIL = XFT->ascent -
897 (INT)(XFT->pixelsize / 1000.0 * height);
898 else
899 *pIL = 0;
900 return;
901 }
902
903 if( TSXGetFontProperty((XFontStruct*)x_fs, XA_CAP_HEIGHT, &height) == FALSE )
904 {
905 if( x_fs->per_char )
906 if( bIsLatin )
907 height = x_fs->per_char['X' - min].ascent;
908 else
909 if (x_fs->ascent >= x_fs->max_bounds.ascent)
910 height = x_fs->max_bounds.ascent;
911 else
912 {
913 height = x_fs->ascent;
914 if( pEL )
915 *pEL = x_fs->max_bounds.ascent - height;
916 }
917 else
918 height = x_fs->min_bounds.ascent;
919 }
920
921 *pIL = x_fs->ascent - height;
922 }
923
924 /***********************************************************************
925 * XFONT_CharWidth
926 */
927 static int XFONT_CharWidth(const XFontStruct* x_fs,
928 const XFONTTRANS *XFT, int ch)
929 {
930 if(!XFT)
931 return x_fs->per_char[ch].width;
932 else
933 return x_fs->per_char[ch].attributes * XFT->pixelsize / 1000.0;
934 }
935
936 /***********************************************************************
937 * XFONT_GetAvgCharWidth
938 */
939 static INT XFONT_GetAvgCharWidth( LPIFONTINFO16 pFI, const XFontStruct* x_fs,
940 const XFONTTRANS *XFT)
941 {
942 unsigned min = (unsigned char)pFI->dfFirstChar;
943 unsigned max = (unsigned char)pFI->dfLastChar;
944
945 INT avg;
946
947 if( x_fs->per_char )
948 {
949 int width = 0, chars = 0, j;
950 if( IS_LATIN_CHARSET(pFI->dfCharSet))
951 {
952 /* FIXME - should use a weighted average */
953 for( j = 0; j < 26; j++ )
954 width += XFONT_CharWidth(x_fs, XFT, 'a' + j - min) +
955 XFONT_CharWidth(x_fs, XFT, 'A' + j - min);
956 chars = 52;
957 }
958 else /* unweighted average of everything */
959 {
960 for( j = 0, max -= min; j <= max; j++ )
961 if( !CI_NONEXISTCHAR(x_fs->per_char + j) )
962 {
963 width += XFONT_CharWidth(x_fs, XFT, j);
964 chars++;
965 }
966 }
967 avg = (width + (chars>>1))/ chars;
968 }
969 else /* uniform width */
970 avg = x_fs->min_bounds.width;
971
972 return avg;
973 }
974
975 /***********************************************************************
976 * XFONT_GetMaxCharWidth
977 */
978 static INT XFONT_GetMaxCharWidth(const XFontStruct* xfs, const XFONTTRANS *XFT)
979 {
980 unsigned min = (unsigned char)xfs->min_char_or_byte2;
981 unsigned max = (unsigned char)xfs->max_char_or_byte2;
982 int maxwidth, j;
983
984 if(!XFT || !xfs->per_char)
985 return abs(xfs->max_bounds.width);
986
987 for( j = 0, maxwidth = 0, max -= min; j <= max; j++ )
988 if( !CI_NONEXISTCHAR(xfs->per_char + j) )
989 if(maxwidth < xfs->per_char[j].attributes)
990 maxwidth = xfs->per_char[j].attributes;
991
992 maxwidth *= XFT->pixelsize / 1000.0;
993 return maxwidth;
994 }
995
996 /***********************************************************************
997 * XFONT_SetFontMetric
998 *
999 * INIT ONLY
1000 *
1001 * Initializes IFONTINFO16.
1002 */
1003 static void XFONT_SetFontMetric(fontInfo* fi, const fontResource* fr, XFontStruct* xfs)
1004 {
1005 unsigned min, max;
1006 fi->df.dfFirstChar = (BYTE)(min = xfs->min_char_or_byte2);
1007 fi->df.dfLastChar = (BYTE)(max = xfs->max_char_or_byte2);
1008
1009 fi->df.dfDefaultChar = (BYTE)xfs->default_char;
1010 fi->df.dfBreakChar = (BYTE)(( ' ' < min || ' ' > max) ? xfs->default_char: ' ');
1011
1012 fi->df.dfPixHeight = (INT16)((fi->df.dfAscent = (INT16)xfs->ascent) + xfs->descent);
1013 fi->df.dfPixWidth = (xfs->per_char) ? 0 : xfs->min_bounds.width;
1014
1015 XFONT_GetLeading( &fi->df, xfs, &fi->df.dfInternalLeading, &fi->df.dfExternalLeading, NULL );
1016 fi->df.dfAvgWidth = (INT16)XFONT_GetAvgCharWidth(&fi->df, xfs, NULL );
1017 fi->df.dfMaxWidth = (INT16)XFONT_GetMaxCharWidth(xfs, NULL);
1018
1019 if( xfs->min_bounds.width != xfs->max_bounds.width )
1020 fi->df.dfPitchAndFamily |= TMPF_FIXED_PITCH; /* au contraire! */
1021 if( fi->fi_flags & FI_SCALABLE )
1022 {
1023 fi->df.dfType = DEVICE_FONTTYPE;
1024 fi->df.dfPitchAndFamily |= TMPF_DEVICE;
1025 }
1026 else if( fi->fi_flags & FI_TRUETYPE )
1027 fi->df.dfType = TRUETYPE_FONTTYPE;
1028 else
1029 fi->df.dfType = RASTER_FONTTYPE;
1030
1031 fi->df.dfFace = fr->lfFaceName;
1032 }
1033
1034 /***********************************************************************
1035 * XFONT_GetTextMetrics
1036 *
1037 * GetTextMetrics() back end.
1038 */
1039 static void XFONT_GetTextMetrics( const fontObject* pfo, const LPTEXTMETRICA pTM )
1040 {
1041 LPIFONTINFO16 pdf = &pfo->fi->df;
1042
1043 if( ! pfo->lpX11Trans ) {
1044 pTM->tmAscent = pfo->fs->ascent;
1045 pTM->tmDescent = pfo->fs->descent;
1046 } else {
1047 pTM->tmAscent = pfo->lpX11Trans->ascent;
1048 pTM->tmDescent = pfo->lpX11Trans->descent;
1049 }
1050
1051 pTM->tmAscent *= pfo->rescale;
1052 pTM->tmDescent *= pfo->rescale;
1053
1054 pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
1055
1056 pTM->tmAveCharWidth = pfo->foAvgCharWidth * pfo->rescale;
1057 pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
1058
1059 pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
1060 pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
1061
1062 pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
1063 ? 1 : pdf->dfStrikeOut;
1064 pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
1065 ? 1 : pdf->dfUnderline;
1066
1067 pTM->tmOverhang = 0;
1068 if( pfo->fo_flags & FO_SYNTH_ITALIC )
1069 {
1070 pTM->tmOverhang += pTM->tmHeight/3;
1071 pTM->tmItalic = 1;
1072 } else
1073 pTM->tmItalic = pdf->dfItalic;
1074
1075 pTM->tmWeight = pdf->dfWeight;
1076 if( pfo->fo_flags & FO_SYNTH_BOLD )
1077 {
1078 pTM->tmOverhang++;
1079 pTM->tmWeight += 100;
1080 }
1081
1082 pTM->tmFirstChar = pdf->dfFirstChar;
1083 pTM->tmLastChar = pdf->dfLastChar;
1084 pTM->tmDefaultChar = pdf->dfDefaultChar;
1085 pTM->tmBreakChar = pdf->dfBreakChar;
1086
1087 pTM->tmCharSet = pdf->dfCharSet;
1088 pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
1089
1090 pTM->tmDigitizedAspectX = pdf->dfHorizRes;
1091 pTM->tmDigitizedAspectY = pdf->dfVertRes;
1092 }
1093
1094 /***********************************************************************
1095 * XFONT_GetFontMetric
1096 *
1097 * Retrieve font metric info (enumeration).
1098 */
1099 static UINT XFONT_GetFontMetric( const fontInfo* pfi, const LPENUMLOGFONTEX16 pLF,
1100 const LPNEWTEXTMETRIC16 pTM )
1101 {
1102 memset( pLF, 0, sizeof(*pLF) );
1103 memset( pTM, 0, sizeof(*pTM) );
1104
1105 #define plf ((LPLOGFONT16)pLF)
1106 plf->lfHeight = pTM->tmHeight = pfi->df.dfPixHeight;
1107 plf->lfWidth = pTM->tmAveCharWidth = pfi->df.dfAvgWidth;
1108 plf->lfWeight = pTM->tmWeight = pfi->df.dfWeight;
1109 plf->lfItalic = pTM->tmItalic = pfi->df.dfItalic;
1110 plf->lfUnderline = pTM->tmUnderlined = pfi->df.dfUnderline;
1111 plf->lfStrikeOut = pTM->tmStruckOut = pfi->df.dfStrikeOut;
1112 plf->lfCharSet = pTM->tmCharSet = pfi->df.dfCharSet;
1113
1114 /* convert pitch values */
1115
1116 pTM->tmPitchAndFamily = pfi->df.dfPitchAndFamily;
1117 plf->lfPitchAndFamily = (pfi->df.dfPitchAndFamily & 0xF1) + 1;
1118
1119 lstrcpynA( plf->lfFaceName, pfi->df.dfFace, LF_FACESIZE );
1120 #undef plf
1121
1122 /* FIXME: fill in rest of plF values
1123 lstrcpynA(plF->elfFullName, , LF_FULLFACESIZE);
1124 lstrcpynA(plF->elfStyle, , LF_FACESIZE);
1125 lstrcpynA(plF->elfScript, , LF_FACESIZE);
1126 */
1127
1128 pTM->tmAscent = pfi->df.dfAscent;
1129 pTM->tmDescent = pTM->tmHeight - pTM->tmAscent;
1130 pTM->tmInternalLeading = pfi->df.dfInternalLeading;
1131 pTM->tmMaxCharWidth = pfi->df.dfMaxWidth;
1132 pTM->tmDigitizedAspectX = pfi->df.dfHorizRes;
1133 pTM->tmDigitizedAspectY = pfi->df.dfVertRes;
1134
1135 pTM->tmFirstChar = pfi->df.dfFirstChar;
1136 pTM->tmLastChar = pfi->df.dfLastChar;
1137 pTM->tmDefaultChar = pfi->df.dfDefaultChar;
1138 pTM->tmBreakChar = pfi->df.dfBreakChar;
1139
1140 /* return font type */
1141
1142 return pfi->df.dfType;
1143 }
1144
1145
1146 /***********************************************************************
1147 * XFONT_FixupFlags
1148 *
1149 * INIT ONLY
1150 *
1151 * dfPitchAndFamily flags for some common typefaces.
1152 */
1153 static BYTE XFONT_FixupFlags( LPCSTR lfFaceName )
1154 {
1155 switch( lfFaceName[0] )
1156 {
1157 case 'a':
1158 case 'A': if(!strncasecmp(lfFaceName, "Arial", 5) )
1159 return FF_SWISS;
1160 break;
1161 case 'h':
1162 case 'H': if(!strcasecmp(lfFaceName, "Helvetica") )
1163 return FF_SWISS;
1164 break;
1165 case 'c':
1166 case 'C': if(!strncasecmp(lfFaceName, "Courier", 7))
1167 return FF_MODERN;
1168
1169 if (!strcasecmp(lfFaceName, "Charter") )
1170 return FF_ROMAN;
1171 break;
1172 case 'p':
1173 case 'P': if( !strcasecmp(lfFaceName,"Palatino") )
1174 return FF_ROMAN;
1175 break;
1176 case 't':
1177 case 'T': if(!strncasecmp(lfFaceName, "Times", 5) )
1178 return FF_ROMAN;
1179 break;
1180 case 'u':
1181 case 'U': if(!strcasecmp(lfFaceName, "Utopia") )
1182 return FF_ROMAN;
1183 break;
1184 case 'z':
1185 case 'Z': if(!strcasecmp(lfFaceName, "Zapf Dingbats") )
1186 return FF_DECORATIVE;
1187 }
1188 return 0;
1189 }
1190
1191 /***********************************************************************
1192 * XFONT_SameFoundryAndFamily
1193 *
1194 * INIT ONLY
1195 */
1196 static BOOL XFONT_SameFoundryAndFamily( const LFD* lfd1, const LFD* lfd2 )
1197 {
1198 return ( !strcasecmp( lfd1->foundry, lfd2->foundry ) &&
1199 !strcasecmp( lfd1->family, lfd2->family ) );
1200 }
1201
1202 /***********************************************************************
1203 * XFONT_InitialCapitals
1204 *
1205 * INIT ONLY
1206 *
1207 * Upper case first letters of words & remove multiple spaces
1208 */
1209 static void XFONT_InitialCapitals(LPSTR lpch)
1210 {
1211 int i;
1212 BOOL up;
1213 char* lpstr = lpch;
1214
1215 for( i = 0, up = TRUE; *lpch; lpch++, i++ )
1216 {
1217 if( isspace(*lpch) )
1218 {
1219 if (!up) /* Not already got one */
1220 {
1221 *lpstr++ = ' ';
1222 up = TRUE;
1223 }
1224 }
1225 else if( isalpha(*lpch) && up )
1226 {
1227 *lpstr++ = toupper(*lpch);
1228 up = FALSE;
1229 }
1230 else
1231 {
1232 *lpstr++ = *lpch;
1233 up = FALSE;
1234 }
1235 }
1236
1237 /* Remove possible trailing space */
1238 if (up && i > 0)
1239 --lpstr;
1240 *lpstr = '\0';
1241 }
1242
1243
1244 /***********************************************************************
1245 * XFONT_WindowsNames
1246 *
1247 * INIT ONLY
1248 *
1249 * Build generic Windows aliases for X font names.
1250 *
1251 * -misc-fixed- -> "Fixed"
1252 * -sony-fixed- -> "Sony Fixed", etc...
1253 */
1254 static void XFONT_WindowsNames(void)
1255 {
1256 fontResource* fr;
1257
1258 for( fr = fontList; fr ; fr = fr->next )
1259 {
1260 fontResource* pfr;
1261 char* lpch;
1262
1263 if( fr->fr_flags & FR_NAMESET ) continue; /* skip already assigned */
1264
1265 for( pfr = fontList; pfr != fr ; pfr = pfr->next )
1266 if( pfr->fr_flags & FR_NAMESET )
1267 {
1268 if (!strcasecmp( pfr->resource->family, fr->resource->family))
1269 break;
1270 }
1271
1272 lpch = fr->lfFaceName;
1273 wsnprintfA( fr->lfFaceName, sizeof(fr->lfFaceName), "%s %s",
1274 /* prepend vendor name */
1275 (pfr==fr) ? "" : fr->resource->foundry,
1276 fr->resource->family);
1277 XFONT_InitialCapitals(fr->lfFaceName);
1278 {
1279 BYTE bFamilyStyle = XFONT_FixupFlags( fr->lfFaceName );
1280 if( bFamilyStyle)
1281 {
1282 fontInfo* fi;
1283 for( fi = fr->fi ; fi ; fi = fi->next )
1284 fi->df.dfPitchAndFamily |= bFamilyStyle;
1285 }
1286 }
1287
1288 TRACE("typeface '%s'\n", fr->lfFaceName);
1289
1290 fr->fr_flags |= FR_NAMESET;
1291 }
1292 }
1293
1294 /***********************************************************************
1295 * XFONT_LoadDefaultLFD
1296 *
1297 * Move lfd to the head of fontList to make it more likely to be matched
1298 */
1299 static void XFONT_LoadDefaultLFD(LFD* lfd, LPCSTR fonttype)
1300 {
1301 {
1302 fontResource *fr, *pfr;
1303 for( fr = NULL, pfr = fontList; pfr; pfr = pfr->next )
1304 {
1305 if( XFONT_SameFoundryAndFamily(pfr->resource, lfd) )
1306 {
1307 if( fr )
1308 {
1309 fr->next = pfr->next;
1310 pfr->next = fontList;
1311 fontList = pfr;
1312 }
1313 break;
1314 }
1315 fr = pfr;
1316 }
1317 if (!pfr)
1318 WARN("Default %sfont '-%s-%s-' not available\n", fonttype,
1319 lfd->foundry, lfd->family);
1320 }
1321 }
1322
1323 /***********************************************************************
1324 * XFONT_LoadDefault
1325 */
1326 static void XFONT_LoadDefault(LPCSTR ini, LPCSTR fonttype)
1327 {
1328 char buffer[MAX_LFD_LENGTH];
1329
1330 if( PROFILE_GetWineIniString( INIFontSection, ini, "", buffer, sizeof buffer ) )
1331 {
1332 if (*buffer)
1333 {
1334 LFD* lfd;
1335 char* pch = buffer;
1336 while( *pch && isspace(*pch) ) pch++;
1337
1338 TRACE("Using '%s' as default %sfont\n", pch, fonttype);
1339 lfd = LFD_Parse(pch);
1340 if (lfd && lfd->foundry && lfd->family)
1341 XFONT_LoadDefaultLFD(lfd, fonttype);
1342 else
1343 WARN("Ini section [%s]%s is malformed\n", INIFontSection, ini);
1344 HeapFree(GetProcessHeap(), 0, lfd);
1345 }
1346 }
1347 }
1348
1349 /***********************************************************************
1350 * XFONT_LoadDefaults
1351 */
1352 static void XFONT_LoadDefaults(void)
1353 {
1354 XFONT_LoadDefault(INIDefaultFixed, "fixed ");
1355 XFONT_LoadDefault(INIDefault, "");
1356 }
1357
1358 /***********************************************************************
1359 * XFONT_CreateAlias
1360 */
1361 static fontAlias* XFONT_CreateAlias( LPCSTR lpTypeFace, LPCSTR lpAlias )
1362 {
1363 int j;
1364 fontAlias *pfa, *prev = NULL;
1365
1366 for(pfa = aliasTable; pfa; pfa = pfa->next)
1367 {
1368 /* check if we already got one */
1369 if( !strcasecmp( pfa->faTypeFace, lpAlias ) )
1370 {
1371 TRACE("redundant alias '%s' -> '%s'\n",
1372 lpAlias, lpTypeFace );
1373 return NULL;
1374 }
1375 prev = pfa;
1376 }
1377
1378 j = lstrlenA(lpTypeFace) + 1;
1379 pfa = HeapAlloc( GetProcessHeap(), 0, sizeof(fontAlias) +
1380 j + lstrlenA(lpAlias) + 1 );
1381 if (pfa)
1382 {
1383 if (!prev)
1384 aliasTable = pfa;
1385 else
1386 prev->next = pfa;
1387
1388 pfa->next = NULL;
1389 pfa->faTypeFace = (LPSTR)(pfa + 1);
1390 lstrcpyA( pfa->faTypeFace, lpTypeFace );
1391 pfa->faAlias = pfa->faTypeFace + j;
1392 lstrcpyA( pfa->faAlias, lpAlias );
1393
1394 TRACE("added alias '%s' for %s\n", lpAlias, lpTypeFace );
1395
1396 return pfa;
1397 }
1398 return NULL;
1399 }
1400
1401
1402 /***********************************************************************
1403 * XFONT_LoadAlias
1404 */
1405 static void XFONT_LoadAlias(const LFD* lfd, LPCSTR lpAlias, BOOL bSubst)
1406 {
1407 fontResource *fr, *frMatch = NULL;
1408 if (!lfd->foundry || ! lfd->family)
1409 {
1410 WARN("Malformed font resource for alias '%s'\n", lpAlias);
1411 return;
1412 }
1413 for (fr = fontList; fr ; fr = fr->next)
1414 {
1415 if(!strcasecmp(fr->resource->family, lpAlias))
1416 {
1417 /* alias is not needed since the real font is present */
1418 TRACE("Ignoring font alias '%s' as it is already available as a real font\n", lpAlias);
1419 return;
1420 }
1421 if( XFONT_SameFoundryAndFamily( fr->resource, lfd ) )
1422 {
1423 frMatch = fr;
1424 break;
1425 }
1426 }
1427
1428 if( frMatch )
1429 {
1430 if( bSubst )
1431 {
1432 fontAlias *pfa, *prev = NULL;
1433
1434 for(pfa = aliasTable; pfa; pfa = pfa->next)
1435 {
1436 /* Remove lpAlias from aliasTable - we should free the old entry */
1437 if(!strcmp(lpAlias, pfa->faAlias))
1438 {
1439 if(prev)
1440 prev->next = pfa->next;
1441 else
1442 aliasTable = pfa->next;
1443 }
1444
1445 /* Update any references to the substituted font in aliasTable */
1446 if(!strcmp(frMatch->lfFaceName, pfa->faTypeFace))
1447 pfa->faTypeFace = HEAP_strdupA( GetProcessHeap(), 0, lpAlias );
1448 prev = pfa;
1449 }
1450
1451 TRACE("\tsubstituted '%s' with %s\n", frMatch->lfFaceName, lpAlias );
1452
1453 lstrcpynA( frMatch->lfFaceName, lpAlias, LF_FACESIZE );
1454 frMatch->fr_flags |= FR_NAMESET;
1455 }
1456 else
1457 {
1458 /* create new entry in the alias table */
1459 XFONT_CreateAlias( frMatch->lfFaceName, lpAlias );
1460 }
1461 }
1462 else
1463 {
1464 WARN("Font alias '-%s-%s-' is not available\n", lfd->foundry, lfd->family);
1465 }
1466 }
1467
1468 /***********************************************************************
1469 * XFONT_LoadAliases
1470 *
1471 * INIT ONLY
1472 *
1473 * Create font aliases for some standard windows fonts using users
1474 * default choice of (sans-)serif fonts
1475 *
1476 * Read user-defined aliases from wine.conf. Format is as follows
1477 *
1478 * Alias# = [Windows font name],[LFD font name], <substitute original name>
1479 *
1480 * Example:
1481 * Alias0 = Arial, -adobe-helvetica-
1482 * Alias1 = Times New Roman, -bitstream-courier-, 1
1483 * ...
1484 *
1485 * Note that from 081797 and on we have built-in alias templates that take
1486 * care of the necessary Windows typefaces.
1487 */
1488 typedef struct
1489 {
1490 LPSTR fatResource;
1491 LPSTR fatAlias;
1492 } aliasTemplate;
1493
1494 static void XFONT_LoadAliases(void)
1495 {
1496 char *lpResource;
1497 char buffer[MAX_LFD_LENGTH];
1498 int i = 0;
1499 LFD* lfd;
1500
1501 /* built-ins first */
1502 PROFILE_GetWineIniString( INIFontSection, INIDefaultSerif,
1503 "-bitstream-charter-", buffer, sizeof buffer );
1504 TRACE("Using '%s' as default serif font\n", buffer);
1505 lfd = LFD_Parse(buffer);
1506 /* NB XFONT_InitialCapitals should not change these standard aliases */
1507 if (lfd)
1508 {
1509 XFONT_LoadAlias( lfd, "Tms Roman", FALSE);
1510 XFONT_LoadAlias( lfd, "MS Serif", FALSE);
1511 XFONT_LoadAlias( lfd, "Times New Roman", FALSE);
1512
1513 XFONT_LoadDefaultLFD( lfd, "serif ");
1514 HeapFree(GetProcessHeap(), 0, lfd);
1515 }
1516
1517 PROFILE_GetWineIniString( INIFontSection, INIDefaultSansSerif,
1518 "-adobe-helvetica-", buffer, sizeof buffer);
1519 TRACE("Using '%s' as default sans serif font\n", buffer);
1520 lfd = LFD_Parse(buffer);
1521 if (lfd)
1522 {
1523 XFONT_LoadAlias( lfd, "Helv", FALSE);
1524 XFONT_LoadAlias( lfd, "MS Sans Serif", FALSE);
1525 XFONT_LoadAlias( lfd, "Arial", FALSE);
1526
1527 XFONT_LoadDefaultLFD( lfd, "sans serif ");
1528 HeapFree(GetProcessHeap(), 0, lfd);
1529 }
1530
1531 /* then user specified aliases */
1532 do
1533 {
1534 BOOL bHaveAlias, bSubst;
1535 char subsection[32];
1536 wsnprintfA( subsection, sizeof subsection, "%s%i", INIAliasSection, i++ );
1537
1538 bHaveAlias = PROFILE_GetWineIniString( INIFontSection,
1539 subsection, "", buffer, sizeof buffer);
1540 if (!bHaveAlias)
1541 break;
1542
1543 XFONT_InitialCapitals(buffer);
1544 lpResource = PROFILE_GetStringItem( buffer );
1545 bSubst = (PROFILE_GetStringItem( lpResource )) ? TRUE : FALSE;
1546 if( lpResource && *lpResource )
1547 {
1548 lfd = LFD_Parse(lpResource);
1549 if (lfd)
1550 {
1551 XFONT_LoadAlias(lfd, buffer, bSubst);
1552 HeapFree(GetProcessHeap(), 0, lfd);
1553 }
1554 }
1555 else
1556 WARN("malformed font alias '%s'\n", buffer );
1557 }
1558 while(TRUE);
1559 }
1560
1561 /***********************************************************************
1562 * XFONT_UnAlias
1563 *
1564 * Convert an (potential) alias into a real windows name
1565 *
1566 */
1567 static LPCSTR XFONT_UnAlias(char* font)
1568 {
1569 if (font[0])
1570 {
1571 fontAlias* fa;
1572 XFONT_InitialCapitals(font); /* to remove extra white space */
1573
1574 for( fa = aliasTable; fa; fa = fa->next )
1575 /* use case insensitive matching to handle eg "MS Sans Serif" */
1576 if( !strcasecmp( fa->faAlias, font ) )
1577 {
1578 TRACE("found alias '%s'->%s'\n", font, fa->faTypeFace );
1579 strcpy(font, fa->faTypeFace);
1580 return fa->faAlias;
1581 break;
1582 }
1583 }
1584 return NULL;
1585 }
1586
1587 /***********************************************************************
1588 * XFONT_RemoveFontResource
1589 *
1590 * Caller should check if the font resource is in use. If it is it should
1591 * set FR_REMOVED flag to delay removal until the resource is not in use
1592 * anymore.
1593 */
1594 void XFONT_RemoveFontResource( fontResource** ppfr )
1595 {
1596 fontResource* pfr = *ppfr;
1597 #if 0
1598 fontInfo* pfi;
1599
1600 /* FIXME - if fonts were read from a cache, these HeapFrees will fail */
1601 while( pfr->fi )
1602 {
1603 pfi = pfr->fi->next;
1604 HeapFree( GetProcessHeap(), 0, pfr->fi );
1605 pfr->fi = pfi;
1606 }
1607 HeapFree( GetProcessHeap(), 0, pfr );
1608 #endif
1609 *ppfr = pfr->next;
1610 }
1611
1612 /***********************************************************************
1613 * XFONT_LoadIgnores
1614 *
1615 * INIT ONLY
1616 *
1617 * Removes specified fonts from the font table to prevent Wine from
1618 * using it.
1619 *
1620 * Ignore# = [LFD font name]
1621 *
1622 * Example:
1623 * Ignore0 = -misc-nil-
1624 * Ignore1 = -sun-open look glyph-
1625 * ...
1626 *
1627 */
1628 static void XFONT_LoadIgnore(char* lfdname)
1629 {
1630 fontResource** ppfr;
1631
1632 LFD* lfd = LFD_Parse(lfdname);
1633 if (lfd && lfd->foundry && lfd->family)
1634 {
1635 for( ppfr = &fontList; *ppfr ; ppfr = &((*ppfr)->next))
1636 {
1637 if( XFONT_SameFoundryAndFamily( (*ppfr)->resource, lfd) )
1638 {
1639 TRACE("Ignoring '-%s-%s-'\n",
1640 (*ppfr)->resource->foundry, (*ppfr)->resource->family );
1641
1642 XFONT_RemoveFontResource( ppfr );
1643 break;
1644 }
1645 }
1646 }
1647 else
1648 WARN("Malformed font resource\n");
1649
1650 HeapFree(GetProcessHeap(), 0, lfd);
1651 }
1652
1653 static void XFONT_LoadIgnores(void)
1654 {
1655 int i = 0;
1656 char subsection[32];
1657 char buffer[MAX_LFD_LENGTH];
1658
1659 /* Standard one that noone wants */
1660 strcpy(buffer, "-misc-nil-");
1661 XFONT_LoadIgnore(buffer);
1662
1663 /* Others from INI file */
1664 do
1665 {
1666 wsprintfA( subsection, "%s%i", INIIgnoreSection, i++ );
1667
1668 if( PROFILE_GetWineIniString( INIFontSection,
1669 subsection, "", buffer, sizeof buffer) )
1670 {
1671 char* pch = buffer;
1672 while( *pch && isspace(*pch) ) pch++;
1673 XFONT_LoadIgnore(pch);
1674 }
1675 else
1676 break;
1677 } while(TRUE);
1678 }
1679
1680
1681 /***********************************************************************
1682 * XFONT_UserMetricsCache
1683 *
1684 * Returns expanded name for the cachedmetrics file.
1685 * Now it also appends the current value of the $DISPLAY varaible.
1686 */
1687 static char* XFONT_UserMetricsCache( char* buffer, int* buf_size )
1688 {
1689 char* pchDisplay, *home;
1690
1691 pchDisplay = getenv( "DISPLAY" );
1692 if( !pchDisplay ) pchDisplay = "0";
1693
1694 if ((home = getenv( "HOME" )) != NULL)
1695 {
1696 int i = strlen( home ) + strlen( INIWinePrefix ) +
1697 strlen( INIFontMetrics ) + strlen( pchDisplay ) + 2;
1698 if( i > *buf_size )
1699 buffer = (char*) HeapReAlloc( GetProcessHeap(), 0, buffer, *buf_size = i );
1700 strcpy( buffer, home );
1701 strcat( buffer, INIWinePrefix );
1702 strcat( buffer, INIFontMetrics );
1703 strcat( buffer, pchDisplay );
1704 } else buffer[0] = '\0';
1705 return buffer;
1706 }
1707
1708
1709 /***********************************************************************
1710 * X Font Matching
1711 *
1712 * Compare two fonts (only parameters set by the XFONT_InitFontInfo()).
1713 */
1714 static INT XFONT_IsSubset(const fontInfo* match, const fontInfo* fi)
1715 {
1716 INT m;
1717
1718 /* 0 - keep both, 1 - keep match, -1 - keep fi */
1719
1720 /* Compare dfItalic, Underline, Strikeout, Weight, Charset */
1721 m = (BYTE*)&fi->df.dfPixWidth - (BYTE*)&fi->df.dfItalic;
1722 if( memcmp(&match->df.dfItalic, &fi->df.dfItalic, m )) return 0;
1723
1724 if( (!((fi->fi_flags & FI_SCALABLE) + (match->fi_flags & FI_SCALABLE))
1725 && fi->lfd_height != match->lfd_height) ||
1726 (!((fi->fi_flags & FI_POLYWEIGHT) + (match->fi_flags & FI_POLYWEIGHT))
1727 && fi->df.dfWeight != match->df.dfWeight) ) return 0;
1728
1729 m = (int)(match->fi_flags & (FI_POLYWEIGHT | FI_SCALABLE)) -
1730 (int)(fi->fi_flags & (FI_SCALABLE | FI_POLYWEIGHT));
1731
1732 if( m == (FI_POLYWEIGHT - FI_SCALABLE) ||
1733 m == (FI_SCALABLE - FI_POLYWEIGHT) ) return 0; /* keep both */
1734 else if( m >= 0 ) return 1; /* 'match' is better */
1735
1736 return -1; /* 'fi' is better */
1737 }
1738
1739 /***********************************************************************
1740 * XFONT_CheckFIList
1741 *
1742 * REMOVE_SUBSETS - attach new fi and purge subsets
1743 * UNMARK_SUBSETS - remove subset flags from all fi entries
1744 */
1745 static void XFONT_CheckFIList( fontResource* fr, fontInfo* fi, int action)
1746 {
1747 int i = 0;
1748 fontInfo* pfi, *prev;
1749
1750 for( prev = NULL, pfi = fr->fi; pfi; )
1751 {
1752 if( action == REMOVE_SUBSETS )
1753 {
1754 if( pfi->fi_flags & FI_SUBSET )
1755 {
1756 fontInfo* subset = pfi;
1757
1758 i++;
1759 fr->fi_count--;
1760 if( prev ) prev->next = pfi = pfi->next;
1761 else fr->fi = pfi = pfi->next;
1762 HeapFree( GetProcessHeap(), 0, subset );
1763 continue;
1764 }
1765 }
1766 else pfi->fi_flags &= ~FI_SUBSET;
1767
1768 prev = pfi;
1769 pfi = pfi->next;
1770 }
1771
1772 if( action == REMOVE_SUBSETS ) /* also add the superset */
1773 {
1774 if( fi->fi_flags & FI_SCALABLE )
1775 {
1776 fi->next = fr->fi;
1777 fr->fi = fi;
1778 }
1779 else if( prev ) prev->next = fi; else fr->fi = fi;
1780 fr->fi_count++;
1781 }
1782
1783 if( i ) TRACE("\t purged %i subsets [%i]\n", i , fr->fi_count);
1784 }
1785
1786 /***********************************************************************
1787 * XFONT_FindFIList
1788 */
1789 static fontResource* XFONT_FindFIList( fontResource* pfr, const char* pTypeFace )
1790 {
1791 while( pfr )
1792 {
1793 if( !strcasecmp( pfr->lfFaceName, pTypeFace ) ) break;
1794 pfr = pfr->next;
1795 }
1796 /* Give the app back the font name it asked for. Encarta checks this. */
1797 if (pfr) strcpy(pfr->lfFaceName,pTypeFace);
1798 return pfr;
1799 }
1800
1801 /***********************************************************************
1802 * XFONT_FixupPointSize
1803 */
1804 static void XFONT_FixupPointSize(fontInfo* fi)
1805 {
1806 #define df (fi->df)
1807 df.dfHorizRes = df.dfVertRes = fi->lfd_resolution;
1808 df.dfPoints = (INT16)
1809 (((INT)(df.dfPixHeight - df.dfInternalLeading) * 72 + (df.dfVertRes >> 1)) /
1810 df.dfVertRes );
1811 #undef df
1812 }
1813
1814 /***********************************************************************
1815 * XFONT_BuildMetrics
1816 *
1817 * Build font metrics from X font
1818 */
1819 static int XFONT_BuildMetrics(char** x_pattern, int res, unsigned x_checksum, int x_count)
1820 {
1821 int i;
1822 fontInfo* fi = NULL;
1823 int n_ff = 0;
1824
1825 MESSAGE("Building font metrics. This may take some time...\n");
1826 for( i = 0; i < x_count; i++ )
1827 {
1828 char* typeface;
1829 LFD* lfd;
1830 fontResource* fr, *pfr;
1831 int j;
1832 char buffer[MAX_LFD_LENGTH];
1833 char* lpstr;
1834 XFontStruct* x_fs;
1835 fontInfo* pfi;
1836
1837 typeface = HEAP_strdupA(GetProcessHeap(), 0, x_pattern[i]);
1838 if (!typeface)
1839 break;
1840
1841 lfd = LFD_Parse(typeface);
1842 if (!lfd)
1843 {
1844 HeapFree(GetProcessHeap(), 0, typeface);
1845 continue;
1846 }
1847
1848 /* find a family to insert into */
1849
1850 for( pfr = NULL, fr = fontList; fr; fr = fr->next )
1851 {
1852 if( XFONT_SameFoundryAndFamily(fr->resource, lfd))
1853 break;
1854 pfr = fr;
1855 }
1856
1857 if( !fi ) fi = (fontInfo*) HeapAlloc(GetProcessHeap(), 0, sizeof(fontInfo));
1858
1859 if( !LFD_InitFontInfo( fi, lfd, x_pattern[i]) )
1860 goto nextfont;
1861
1862 if( !fr ) /* add new family */
1863 {
1864 n_ff++;
1865 fr = (fontResource*) HeapAlloc(GetProcessHeap(), 0, sizeof(fontResource));
1866 if (fr)
1867 {
1868 memset(fr, 0, sizeof(fontResource));
1869
1870 fr->resource = (LFD*) HeapAlloc(GetProcessHeap(), 0, sizeof(LFD));
1871 memset(fr->resource, 0, sizeof(LFD));
1872
1873 TRACE("family: -%s-%s-\n", lfd->foundry, lfd->family );
1874 fr->resource->foundry = HEAP_strdupA(GetProcessHeap(), 0, lfd->foundry);
1875 fr->resource->family = HEAP_strdupA(GetProcessHeap(), 0, lfd->family);
1876 fr->resource->weight = "";
1877
1878 if( pfr ) pfr->next = fr;
1879 else fontList = fr;
1880 }
1881 else
1882 WARN("Not enough memory for a new font family\n");
1883 }
1884
1885 /* check if we already have something better than "fi" */
1886
1887 for( pfi = fr->fi, j = 0; pfi && j <= 0; pfi = pfi->next )
1888 if( (j = XFONT_IsSubset( pfi, fi )) < 0 )
1889 pfi->fi_flags |= FI_SUBSET; /* superseded by "fi" */
1890 if( j > 0 ) goto nextfont;
1891
1892 /* add new font instance "fi" to the "fr" font resource */
1893
1894 if( fi->fi_flags & FI_SCALABLE )
1895 {
1896 LFD lfd1;
1897 char pxl_string[4], res_string[4];
1898 /* set scalable font height to get an basis for extrapolation */
1899
1900 fi->lfd_height = DEF_SCALABLE_HEIGHT;
1901 fi->lfd_resolution = res;
1902
1903 sprintf(pxl_string, "%d", fi->lfd_height);
1904 sprintf(res_string, "%d", fi->lfd_resolution);
1905
1906 lfd1 = *lfd;
1907 lfd1.pixel_size = pxl_string;
1908 lfd1.point_size = "*";
1909 lfd1.resolution_x = res_string;
1910 lfd1.resolution_y = res_string;
1911
1912 LFD_UnParse(buffer, sizeof buffer, &lfd1);
1913
1914 lpstr = buffer;
1915 }
1916 else lpstr = x_pattern[i];
1917
1918 if( (x_fs = TSXLoadQueryFont(display, lpstr)) )
1919 {
1920 XFONT_SetFontMetric( fi, fr, x_fs );
1921 TSXFreeFont( display, x_fs );
1922
1923 XFONT_FixupPointSize(fi);
1924
1925 TRACE("\t[% 2ipt] '%s'\n", fi->df.dfPoints, x_pattern[i] );
1926
1927 XFONT_CheckFIList( fr, fi, REMOVE_SUBSETS );
1928 fi = NULL; /* preventing reuse */
1929 }
1930 else
1931 {
1932 ERR("failed to load %s\n", lpstr );
1933
1934 XFONT_CheckFIList( fr, fi, UNMARK_SUBSETS );
1935 }
1936 nextfont:
1937 HeapFree(GetProcessHeap(), 0, lfd);
1938 HeapFree(GetProcessHeap(), 0, typeface);
1939 }
1940 if( fi ) HeapFree(GetProcessHeap(), 0, fi);
1941
1942 return n_ff;
1943 }
1944
1945 /***********************************************************************
1946 * XFONT_ReadCachedMetrics
1947 *
1948 * INIT ONLY
1949 */
1950 static BOOL XFONT_ReadCachedMetrics( int fd, int res, unsigned x_checksum, int x_count )
1951 {
1952 if( fd >= 0 )
1953 {
1954 unsigned u;
1955 int i, j;
1956
1957 /* read checksums */
1958 read( fd, &u, sizeof(unsigned) );
1959 read( fd, &i, sizeof(int) );
1960
1961 if( u == x_checksum && i == x_count )
1962 {
1963 off_t length, offset = 3 * sizeof(int);
1964
1965 /* read total size */
1966 read( fd, &i, sizeof(int) );
1967 length = lseek( fd, 0, SEEK_END );
1968
1969 if( length == (i + offset) )
1970 {
1971 lseek( fd, offset, SEEK_SET );
1972 fontList = (fontResource*)HeapAlloc( GetProcessHeap(), 0, i);
1973 if( fontList )
1974 {
1975 fontResource* pfr = fontList;
1976 fontInfo* pfi = NULL;
1977
1978 TRACE("Reading cached font metrics:\n");
1979
1980 read( fd, fontList, i); /* read all metrics at once */
1981 while( offset < length )
1982 {
1983 offset += sizeof(fontResource) + sizeof(fontInfo);
1984 pfr->fi = pfi = (fontInfo*)(pfr + 1);
1985 j = 1;
1986 while( TRUE )
1987 {
1988 if( offset > length ||
1989 (int)(pfi->next) != j++ ) goto fail;
1990
1991 pfi->df.dfFace = pfr->lfFaceName;
1992 if( pfi->fi_flags & FI_SCALABLE )
1993 {
1994 /* we can pretend we got this font for any resolution */
1995 pfi->lfd_resolution = res;
1996 XFONT_FixupPointSize(pfi);
1997 }
1998 pfi->next = pfi + 1;
1999
2000 if( j > pfr->fi_count ) break;
2001
2002 pfi = pfi->next;
2003 offset += sizeof(fontInfo);
2004 }
2005 pfi->next = NULL;
2006 if( pfr->next )
2007 {
2008 pfr->next = (fontResource*)(pfi + 1);
2009 pfr = pfr->next;
2010 }
2011 else break;
2012 }
2013 if( pfr->next == NULL &&
2014 *(int*)(pfi + 1) == X_FMC_MAGIC )
2015 {
2016 /* read LFD stubs */
2017 char* lpch = (char*)((int*)(pfi + 1) + 1);
2018 offset += sizeof(int);
2019 for( pfr = fontList; pfr; pfr = pfr->next )
2020 {
2021 size_t len = strlen(lpch) + 1;
2022 TRACE("\t%s, %i instances\n", lpch, pfr->fi_count );
2023 pfr->resource = LFD_Parse(lpch);
2024 lpch += len;
2025 offset += len;
2026 if (offset > length)
2027 goto fail;
2028 }
2029 close( fd );
2030 return TRUE;
2031 }
2032 }
2033 }
2034 }
2035 fail:
2036 if( fontList ) HeapFree( GetProcessHeap(), 0, fontList );
2037 fontList = NULL;
2038 close( fd );
2039 }
2040 return FALSE;
2041 }
2042
2043 /***********************************************************************
2044 * XFONT_WriteCachedMetrics
2045 *
2046 * INIT ONLY
2047 */
2048 static BOOL XFONT_WriteCachedMetrics( int fd, unsigned x_checksum, int x_count, int n_ff )
2049 {
2050 fontResource* pfr;
2051 fontInfo* pfi;
2052
2053 if( fd >= 0 )
2054 {
2055 int i, j, k;
2056 char buffer[MAX_LFD_LENGTH];
2057
2058 /* font metrics file:
2059 *
2060 * +0000 x_checksum
2061 * +0004 x_count
2062 * +0008 total size to load
2063 * +000C prepackaged font metrics
2064 * ...
2065 * +...x X_FMC_MAGIC
2066 * +...x + 4 LFD stubs
2067 */
2068
2069 write( fd, &x_checksum, sizeof(unsigned) );
2070 write( fd, &x_count, sizeof(int) );
2071
2072 for( j = i = 0, pfr = fontList; pfr; pfr = pfr->next )
2073 {
2074 LFD_UnParse(buffer, sizeof buffer, pfr->resource);
2075 i += strlen( buffer) + 1;
2076 j += pfr->fi_count;
2077 }
2078 i += n_ff * sizeof(fontResource) + j * sizeof(fontInfo) + sizeof(int);
2079 write( fd, &i, sizeof(int) );
2080
2081 TRACE("Writing font cache:\n");
2082
2083 for( pfr = fontList; pfr; pfr = pfr->next )
2084 {
2085 fontInfo fi;
2086
2087 TRACE("\t-%s-%s-, %i instances\n", pfr->resource->foundry, pfr->resource->family, pfr->fi_count );
2088
2089 i = write( fd, pfr, sizeof(fontResource) );
2090 if( i == sizeof(fontResource) )
2091 {
2092 for( k = 1, pfi = pfr->fi; pfi; pfi = pfi->next )
2093 {
2094 fi = *pfi;
2095
2096 fi.df.dfFace = NULL;
2097 fi.next = (fontInfo*)k; /* loader checks this */
2098
2099 j = write( fd, &fi, sizeof(fi) );
2100 k++;
2101 }
2102 if( j == sizeof(fontInfo) ) continue;
2103 }
2104 break;
2105 }
2106 if( i == sizeof(fontResource) && j == sizeof(fontInfo) )
2107 {
2108 i = j = X_FMC_MAGIC;
2109 write( fd, &i, sizeof(int) );
2110 for( pfr = fontList; pfr && i == j; pfr = pfr->next )
2111 {
2112 LFD_UnParse(buffer, sizeof buffer, pfr->resource);
2113 i = strlen( buffer ) + 1;
2114 j = write( fd, buffer, i );
2115 }
2116 }
2117 close( fd );
2118 return ( i == j );
2119 }
2120 return FALSE;
2121 }
2122
2123 /***********************************************************************
2124 * XFONT_GetPointResolution()
2125 *
2126 * INIT ONLY
2127 *
2128 * Here we initialize DefResolution which is used in the
2129 * XFONT_Match() penalty function. We also load the point
2130 * resolution value (higher values result in larger fonts).
2131 */
2132 static int XFONT_GetPointResolution( DeviceCaps* pDevCaps )
2133 {
2134 int i, j, point_resolution, num = 3;
2135 int allowed_xfont_resolutions[3] = { 72, 75, 100 };
2136 int best = 0, best_diff = 65536;
2137
2138 point_resolution = PROFILE_GetWineIniInt( INIFontSection, INIResolution, 0 );
2139 if( !point_resolution )
2140 point_resolution = pDevCaps->logPixelsY;
2141 else
2142 pDevCaps->logPixelsX = pDevCaps->logPixelsY = point_resolution;
2143
2144
2145 /* FIXME We can only really guess at a best DefResolution
2146 * - this should be configurable
2147 */
2148 for( i = best = 0; i < num; i++ )
2149 {
2150 j = abs( point_resolution - allowed_xfont_resolutions[i] );
2151 if( j < best_diff )
2152 {
2153 best = i;
2154 best_diff = j;
2155 }
2156 }
2157 DefResolution = allowed_xfont_resolutions[best];
2158
2159 /* FIXME - do win95,nt40,... do this as well ? */
2160 if (TWEAK_WineLook == WIN98_LOOK)
2161 {
2162 /* Lie about the screen size, so that eg MM_LOMETRIC becomes MM_logical_LOMETRIC */
2163 int denom;
2164 denom = pDevCaps->logPixelsX * 10;
2165 pDevCaps->horzSize = (pDevCaps->horzRes * 254 + (denom>>1)) / denom;
2166 denom = pDevCaps->logPixelsY * 10;
2167 pDevCaps->vertSize = (pDevCaps->vertRes * 254 + (denom>>1)) / denom;
2168 }
2169
2170 return point_resolution;
2171 }
2172
2173
2174 /***********************************************************************
2175 * XFONT_Match
2176 *
2177 * Compute the matching score between the logical font and the device font.
2178 *
2179 * contributions from highest to lowest:
2180 * charset
2181 * fixed pitch
2182 * height
2183 * family flags (only when the facename is not present)
2184 * width
2185 * weight, italics, underlines, strikeouts
2186 *
2187 * NOTE: you can experiment with different penalty weights to see what happens.
2188 * http://premium.microsoft.com/msdn/library/techart/f365/f36b/f37b/d38b/sa8bf.htm
2189 */
2190 static UINT XFONT_Match( fontMatch* pfm )
2191 {
2192 fontInfo* pfi = pfm->pfi; /* device font to match */
2193 LPLOGFONT16 plf = pfm->plf; /* wanted logical font */
2194 UINT penalty = 0;
2195 BOOL bR6 = pfm->flags & FO_MATCH_XYINDEP; /* from TextCaps */
2196 BOOL bScale = pfi->fi_flags & FI_SCALABLE;
2197 int d = 0, height;
2198
2199 TRACE("\t[ %-2ipt h=%-3i w=%-3i %s%s]\n", pfi->df.dfPoints,
2200 pfi->df.dfPixHeight, pfi->df.dfAvgWidth,
2201 (pfi->df.dfWeight > FW_NORMAL) ? "Bold " : "Normal ",
2202 (pfi->df.dfItalic) ? "Italic" : "" );
2203
2204 pfm->flags &= FO_MATCH_MASK;
2205
2206 /* Charset */
2207 if( plf->lfCharSet == DEFAULT_CHARSET )
2208 {
2209 if( (pfi->df.dfCharSet != ANSI_CHARSET) && (pfi->df.dfCharSet != DEFAULT_CHARSET) )
2210 penalty += 0x200;
2211 }
2212 else if (plf->lfCharSet != pfi->df.dfCharSet) penalty += 0x200;
2213
2214 /* Height */
2215 height = -1;
2216 {
2217 if( plf->lfHeight > 0 )
2218 {
2219 int h = pfi->df.dfPixHeight;
2220 d = h - plf->lfHeight;
2221 height = plf->lfHeight;
2222 }
2223 else
2224 {
2225 int h = pfi->df.dfPixHeight - pfi->df.dfInternalLeading;
2226 if (h)
2227 {
2228 d = h + plf->lfHeight;
2229 height = (-plf->lfHeight * pfi->df.dfPixHeight) / h;
2230 }
2231 else
2232 {
2233 ERR("PixHeight == InternalLeading\n");
2234 penalty += 0x1000; /* dont want this */
2235 }
2236 }
2237 }
2238
2239 if( height == 0 )
2240 pfm->height = 1; /* Very small */
2241 else if( d )
2242 {
2243 if( bScale )
2244 pfm->height = height;
2245 else if( (plf->lfQuality != PROOF_QUALITY) && bR6 )
2246 {
2247 if( d > 0 ) /* do not shrink raster fonts */
2248 {
2249 pfm->height = pfi->df.dfPixHeight;
2250 penalty += (pfi->df.dfPixHeight - height) * 0x4;
2251 }
2252 else /* expand only in integer multiples */
2253 {
2254 pfm->height = height - height%pfi->df.dfPixHeight;
2255 penalty += (height - pfm->height + 1) * height / pfi->df.dfPixHeight;
2256 }
2257 }
2258 else /* can't be scaled at all */
2259 {
2260 if( plf->lfQuality != PROOF_QUALITY) pfm->flags |= FO_SYNTH_HEIGHT;
2261 pfm->height = pfi->df.dfPixHeight;
2262 penalty += (d > 0)? d * 0x8 : -d * 0x10;
2263 }
2264 }
2265 else
2266 pfm->height = pfi->df.dfPixHeight;
2267
2268 /* Pitch and Family */
2269 if( pfm->flags & FO_MATCH_PAF ) {
2270 int family = plf->lfPitchAndFamily & FF_FAMILY;
2271
2272 /* TMPF_FIXED_PITCH means exactly the opposite */
2273 if( plf->lfPitchAndFamily & FIXED_PITCH ) {
2274 if( pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH ) penalty += 0x100;
2275 } else /* Variable is the default */
2276 if( !(pfi->df.dfPitchAndFamily & TMPF_FIXED_PITCH) ) penalty += 0x2;
2277
2278 if (family != FF_DONTCARE && family != (pfi->df.dfPitchAndFamily & FF_FAMILY) )
2279 penalty += 0x10;
2280 }
2281
2282 /* Width */
2283 if( plf->lfWidth )
2284 {
2285 int h;
2286 if( bR6 || bScale ) h = 0;
2287 else
2288 {
2289 /* FIXME: not complete */
2290
2291 pfm->flags |= FO_SYNTH_WIDTH;
2292 h = abs(plf->lfWidth - (pfm->height * pfi->df.dfAvgWidth)/pfi->df.dfPixHeight);
2293 }
2294 penalty += h * ( d ) ? 0x2 : 0x1 ;
2295 }
2296 else if( !(pfi->fi_flags & FI_NORMAL) ) penalty++;
2297
2298 /* Weight */
2299 if( plf->lfWeight != FW_DONTCARE )
2300 {
2301 penalty += abs(plf->lfWeight - pfi->df.dfWeight) / 40;
2302 if( plf->lfWeight > pfi->df.dfWeight ) pfm->flags |= FO_SYNTH_BOLD;
2303 } else if( pfi->df.dfWeight >= FW_BOLD ) penalty++; /* choose normal by default */
2304
2305 /* Italic */
2306 if( plf->lfItalic != pfi->df.dfItalic )
2307 {
2308 penalty += 0x4;
2309 pfm->flags |= FO_SYNTH_ITALIC;
2310 }
2311 /* Underline */
2312 if( plf->lfUnderline ) pfm->flags |= FO_SYNTH_UNDERLINE;
2313
2314 /* Strikeout */
2315 if( plf->lfStrikeOut ) pfm->flags |= FO_SYNTH_STRIKEOUT;
2316
2317
2318 if( penalty && !bScale && pfi->lfd_resolution != DefResolution )
2319 penalty++;
2320
2321 TRACE(" returning %i\n", penalty );
2322
2323 return penalty;
2324 }
2325
2326 /***********************************************************************
2327 * XFONT_MatchFIList
2328 *
2329 * Scan a particular font resource for the best match.
2330 */
2331 static UINT XFONT_MatchFIList( fontMatch* pfm )
2332 {
2333 BOOL skipRaster = (pfm->flags & FO_MATCH_NORASTER);
2334 UINT current_score, score = (UINT)(-1);
2335 fontMatch fm = *pfm;
2336
2337 for( fm.pfi = pfm->pfr->fi; fm.pfi && score; fm.pfi = fm.pfi->next)
2338 {
2339 if( skipRaster && !(fm.pfi->fi_flags & FI_SCALABLE) )
2340 continue;
2341
2342 current_score = XFONT_Match( &fm );
2343 if( score > current_score )
2344 {
2345 *pfm = fm;
2346 score = current_score;
2347 }
2348 }
2349 return score;
2350 }
2351
2352 /***********************************************************************
2353 * XFONT_MatchDeviceFont
2354 *
2355 * Scan font resource tree.
2356 *
2357 */
2358 static void XFONT_MatchDeviceFont( fontResource* start, fontMatch* pfm)
2359 {
2360 fontMatch fm = *pfm;
2361 UINT current_score, score = (UINT)(-1);
2362 fontResource** ppfr;
2363
2364 TRACE("(%u) '%s' h=%i weight=%i %s\n",
2365 pfm->plf->lfCharSet, pfm->plf->lfFaceName, pfm->plf->lfHeight,
2366 pfm->plf->lfWeight, (pfm->plf->lfItalic) ? "Italic" : "" );
2367
2368 pfm->pfi = NULL;
2369 if( fm.plf->lfFaceName[0] )
2370 {
2371 fm.pfr = XFONT_FindFIList( start, fm.plf->lfFaceName);
2372 if( fm.pfr ) /* match family */
2373 {
2374 TRACE("found facename '%s'\n", fm.pfr->lfFaceName );
2375
2376 if( fm.pfr->fr_flags & FR_REMOVED )
2377 fm.pfr = 0;
2378 else
2379 {
2380 XFONT_MatchFIList( &fm );
2381 *pfm = fm;
2382 if (pfm->pfi)
2383 return;
2384 }
2385 }
2386 }
2387
2388 /* match all available fonts */
2389
2390 fm.flags |= FO_MATCH_PAF;
2391 for( ppfr = &fontList; *ppfr && score; ppfr = &(*ppfr)->next )
2392 {
2393 if( (*ppfr)->fr_flags & FR_REMOVED )
2394 {
2395 if( (*ppfr)->fo_count == 0 )
2396 XFONT_RemoveFontResource( ppfr );
2397 continue;
2398 }
2399
2400 fm.pfr = *ppfr;
2401
2402 TRACE("%s\n", fm.pfr->lfFaceName );
2403
2404 current_score = XFONT_MatchFIList( &fm );
2405 if( current_score < score )
2406 {
2407 score = current_score;
2408 *pfm = fm;
2409 }
2410 }
2411 }
2412
2413
2414 /***********************************************************************
2415 * X Font Cache
2416 */
2417 static void XFONT_GrowFreeList(int start, int end)
2418 {
2419 /* add all entries from 'start' up to and including 'end' */
2420
2421 memset( fontCache + start, 0, (end - start + 1) * sizeof(fontObject) );
2422
2423 fontCache[end].lru = fontLF;
2424 fontCache[end].count = -1;
2425 fontLF = start;
2426 while( start < end )
2427 {
2428 fontCache[start].count = -1;
2429 fontCache[start].lru = start + 1;
2430 start++;
2431 }
2432 }
2433
2434 static fontObject* XFONT_LookupCachedFont( const LPLOGFONT16 plf, UINT16* checksum )
2435 {
2436 UINT16 cs = __lfCheckSum( plf );
2437 int i = fontMRU, prev = -1;
2438
2439 *checksum = cs;
2440 while( i >= 0 )
2441 {
2442 if( fontCache[i].lfchecksum == cs &&
2443 !(fontCache[i].fo_flags & FO_REMOVED) )
2444 {
2445 /* FIXME: something more intelligent here ? */
2446
2447 if( !memcmp( plf, &fontCache[i].lf,
2448 sizeof(LOGFONT16) - LF_FACESIZE ) &&
2449 !strcmp( plf->lfFaceName, fontCache[i].lf.lfFaceName) )
2450 {
2451 /* remove temporarily from the lru list */
2452 if( prev >= 0 )
2453 fontCache[prev].lru = fontCache[i].lru;
2454 else
2455 fontMRU = (INT16)fontCache[i].lru;
2456 return (fontCache + i);
2457 }
2458 }
2459 prev = i;
2460 i = (INT16)fontCache[i].lru;
2461 }
2462 return NULL;
2463 }
2464
2465 static fontObject* XFONT_GetCacheEntry(void)
2466 {
2467 int i;
2468
2469 if( fontLF == -1 )
2470 {
2471 int prev_i, prev_j, j;
2472
2473 TRACE("font cache is full\n");
2474
2475 /* lookup the least recently used font */
2476
2477 for( prev_i = prev_j = j = -1, i = fontMRU; i >= 0; i = (INT16)fontCache[i].lru )
2478 {
2479 if( fontCache[i].count <= 0 &&
2480 !(fontCache[i].fo_flags & FO_SYSTEM) )
2481 {
2482 prev_j = prev_i;
2483 j = i;
2484 }
2485 prev_i = i;
2486 }
2487
2488 if( j >= 0 ) /* unload font */
2489 {
2490 /* detach from the lru list */
2491
2492 TRACE("\tfreeing entry %i\n", j );
2493
2494 fontCache[j].fr->fo_count--;
2495
2496 if( prev_j >= 0 )
2497 fontCache[prev_j].lru = fontCache[j].lru;
2498 else fontMRU = (INT16)fontCache[j].lru;
2499
2500 /* FIXME: lpXForm, lpPixmap */
2501 if(fontCache[j].lpX11Trans)
2502 HeapFree( GetProcessHeap(), 0, fontCache[j].lpX11Trans );
2503
2504 TSXFreeFont( display, fontCache[j].fs );
2505
2506 memset( fontCache + j, 0, sizeof(fontObject) );
2507 return (fontCache + j);
2508 }
2509 else /* expand cache */
2510 {
2511 fontObject* newCache;
2512
2513 prev_i = fontCacheSize + FONTCACHE;
2514
2515 TRACE("\tgrowing font cache from %i to %i\n", fontCacheSize, prev_i );
2516
2517 if( (newCache = (fontObject*)HeapReAlloc(GetProcessHeap(), 0,
2518 fontCache, prev_i)) )
2519 {
2520 i = fontCacheSize;
2521 fontCacheSize = prev_i;
2522 fontCache = newCache;
2523 XFONT_GrowFreeList( i, fontCacheSize - 1);
2524 }
2525 else return NULL;
2526 }
2527 }
2528
2529 /* detach from the free list */
2530
2531 i = fontLF;
2532 fontLF = (INT16)fontCache[i].lru;
2533 fontCache[i].count = 0;
2534 return (fontCache + i);
2535 }
2536
2537 static int XFONT_ReleaseCacheEntry(const fontObject* pfo)
2538 {
2539 UINT u = (UINT)(pfo - fontCache);
2540
2541 if( u < fontCacheSize ) return (--fontCache[u].count);
2542 return -1;
2543 }
2544
2545 /***********************************************************************
2546 * X11DRV_FONT_Init
2547 *
2548 * Initialize font resource list and allocate font cache.
2549 */
2550 BOOL X11DRV_FONT_Init( DeviceCaps* pDevCaps )
2551 {
2552 char** x_pattern;
2553 unsigned x_checksum;
2554 int i,res, x_count, fd, buf_size;
2555 char *buffer;
2556
2557 res = XFONT_GetPointResolution( pDevCaps );
2558
2559 x_pattern = TSXListFonts(display, "*", MAX_FONTS, &x_count );
2560
2561 TRACE("Font Mapper: initializing %i fonts [logical dpi=%i, default dpi=%i]\n",
2562 x_count, res, DefResolution);
2563 if (x_count == MAX_FONTS)
2564 MESSAGE("There may be more fonts available - try increasing the value of MAX_FONTS\n");
2565
2566 for( i = x_checksum = 0; i < x_count; i++ )
2567 {
2568 int j;
2569 #if 0
2570 printf("%i\t: %s\n", i, x_pattern[i] );
2571 #endif
2572
2573 j = strlen( x_pattern[i] );
2574 if( j ) x_checksum ^= __genericCheckSum( x_pattern[i], j );
2575 }
2576 x_checksum |= X_PFONT_MAGIC;
2577 buf_size = 128;
2578 buffer = HeapAlloc( GetProcessHeap(), 0, buf_size );
2579
2580 /* deal with systemwide font metrics cache */
2581
2582 if( PROFILE_GetWineIniString( INIFontSection, INIGlobalMetrics, "", buffer, buf_size ) )
2583 {
2584 fd = open( buffer, O_RDONLY );
2585 XFONT_ReadCachedMetrics(fd, DefResolution, x_checksum, x_count);
2586 }
2587 if (fontList == NULL)
2588 {
2589 /* try per-user */
2590 buffer = XFONT_UserMetricsCache( buffer, &buf_size );
2591 if( buffer[0] )
2592 {
2593 fd = open( buffer, O_RDONLY );
2594 XFONT_ReadCachedMetrics(fd, DefResolution, x_checksum, x_count);
2595 }
2596 }
2597
2598 if( fontList == NULL ) /* build metrics from scratch */
2599 {
2600 int n_ff = XFONT_BuildMetrics(x_pattern, DefResolution, x_checksum, x_count);
2601 if( buffer[0] ) /* update cached metrics */
2602 {
2603 fd = open( buffer, O_CREAT | O_TRUNC | O_RDWR, 0644 ); /* -rw-r--r-- */
2604 if( XFONT_WriteCachedMetrics( fd, x_checksum, x_count, n_ff ) == FALSE )
2605 {
2606 WARN("Unable to write to fontcache '%s'\n", buffer);
2607 if( fd >= 0) remove( buffer ); /* couldn't write entire file */
2608 }
2609 }
2610 }
2611
2612 TSXFreeFontNames(x_pattern);
2613
2614 /* check if we're dealing with X11 R6 server */
2615 {
2616 XFontStruct* x_fs;
2617 strcpy(buffer, "-*-*-*-*-normal-*-[12 0 0 12]-*-72-*-*-*-iso8859-1");
2618 if( (x_fs = TSXLoadQueryFont(display, buffer)) )
2619 {
2620 XTextCaps |= TC_SF_X_YINDEP;
2621 TSXFreeFont(display, x_fs);
2622 }
2623 }
2624 HeapFree(GetProcessHeap(), 0, buffer);
2625
2626 XFONT_WindowsNames();
2627 XFONT_LoadAliases();
2628 XFONT_LoadDefaults();
2629 XFONT_LoadIgnores();
2630
2631 InitializeCriticalSection( &crtsc_fonts_X11 );
2632 MakeCriticalSectionGlobal( &crtsc_fonts_X11 );
2633
2634 /* fontList initialization is over, allocate X font cache */
2635
2636 fontCache = (fontObject*) HeapAlloc(GetProcessHeap(), 0, fontCacheSize * sizeof(fontObject));
2637 XFONT_GrowFreeList(0, fontCacheSize - 1);
2638
2639 TRACE("done!\n");
2640
2641 /* update text caps parameter */
2642
2643 pDevCaps->textCaps = XTextCaps;
2644
2645 RAW_ASCENT = TSXInternAtom(display, "RAW_ASCENT", TRUE);
2646 RAW_DESCENT = TSXInternAtom(display, "RAW_DESCENT", TRUE);
2647
2648 return TRUE;
2649 }
2650
2651 /**********************************************************************
2652 * XFONT_SetX11Trans
2653 */
2654 static BOOL XFONT_SetX11Trans( fontObject *pfo )
2655 {
2656 char *fontName;
2657 Atom nameAtom;
2658 LFD* lfd;
2659
2660 TSXGetFontProperty( pfo->fs, XA_FONT, &nameAtom );
2661 fontName = TSXGetAtomName( display, nameAtom );
2662 lfd = LFD_Parse(fontName);
2663 if (!lfd)
2664 {
2665 TSXFree(fontName);
2666 return FALSE;
2667 }
2668
2669 if (lfd->pixel_size[0] != '[') {
2670 HeapFree(GetProcessHeap(), 0, lfd);
2671 TSXFree(fontName);
2672 return FALSE;
2673 }
2674
2675 #define PX pfo->lpX11Trans
2676
2677 sscanf(lfd->pixel_size, "[%f%f%f%f]", &PX->a, &PX->b, &PX->c, &PX->d);
2678 TSXFree(fontName);
2679 HeapFree(GetProcessHeap(), 0, lfd);
2680
2681 TSXGetFontProperty( pfo->fs, RAW_ASCENT, &PX->RAW_ASCENT );
2682 TSXGetFontProperty( pfo->fs, RAW_DESCENT, &PX->RAW_DESCENT );
2683
2684 PX->pixelsize = hypot(PX->a, PX->b);
2685 PX->ascent = PX->pixelsize / 1000.0 * PX->RAW_ASCENT;
2686 PX->descent = PX->pixelsize / 1000.0 * PX->RAW_DESCENT;
2687
2688 TRACE("[%f %f %f %f] RA = %ld RD = %ld\n",
2689 PX->a, PX->b, PX->c, PX->d,
2690 PX->RAW_ASCENT, PX->RAW_DESCENT);
2691
2692 #undef PX
2693 return TRUE;
2694 }
2695
2696 /***********************************************************************
2697 * X Device Font Objects
2698 */
2699 static X_PHYSFONT XFONT_RealizeFont( const LPLOGFONT16 plf, LPCSTR* faceMatched)
2700 {
2701 UINT16 checksum;
2702 INT index = 0;
2703 fontObject* pfo;
2704
2705 pfo = XFONT_LookupCachedFont( plf, &checksum );
2706 if( !pfo )
2707 {
2708 fontMatch fm;
2709 INT i;
2710
2711 fm.pfr = NULL;
2712 fm.pfi = NULL;
2713 fm.height = 0;
2714 fm.flags = 0;
2715 fm.plf = plf;
2716
2717 if( XTextCaps & TC_SF_X_YINDEP ) fm.flags = FO_MATCH_XYINDEP;
2718
2719 /* allocate new font cache entry */
2720
2721 if( (pfo = XFONT_GetCacheEntry()) )
2722 {
2723 /* initialize entry and load font */
2724 char lpLFD[MAX_LFD_LENGTH];
2725 UINT uRelaxLevel = 0;
2726
2727 if(abs(plf->lfHeight) > MAX_FONT_SIZE) {
2728 ERR(
2729 "plf->lfHeight = %d, Creating a 100 pixel font and rescaling metrics \n",
2730 plf->lfHeight);
2731 pfo->rescale = fabs(plf->lfHeight / 100.0);
2732 if(plf->lfHeight > 0) plf->lfHeight = 100;
2733 else plf->lfHeight = -100;
2734 } else
2735 pfo->rescale = 1.0;
2736
2737 XFONT_MatchDeviceFont( fontList, &fm );
2738 pfo->fr = fm.pfr;
2739 pfo->fi = fm.pfi;
2740 pfo->fr->fo_count++;
2741 pfo->fo_flags = fm.flags & ~FO_MATCH_MASK;
2742
2743 pfo->lf = *plf;
2744 pfo->lfchecksum = checksum;
2745
2746 do
2747 {
2748 LFD_ComposeLFD( pfo, fm.height, lpLFD, uRelaxLevel++ );
2749 if( (pfo->fs = TSXLoadQueryFont( display, lpLFD )) ) break;
2750 } while( uRelaxLevel );
2751
2752
2753 if(pfo->lf.lfEscapement != 0) {
2754 pfo->lpX11Trans = HeapAlloc(GetProcessHeap(), 0, sizeof(XFONTTRANS));
2755 if(!XFONT_SetX11Trans( pfo )) {
2756 HeapFree(GetProcessHeap(), 0, pfo->lpX11Trans);
2757 pfo->lpX11Trans = NULL;
2758 }
2759 }
2760 XFONT_GetLeading( &pfo->fi->df, pfo->fs,
2761 &pfo->foInternalLeading, NULL, pfo->lpX11Trans );
2762 pfo->foAvgCharWidth = (INT16)XFONT_GetAvgCharWidth(&pfo->fi->df, pfo->fs, pfo->lpX11Trans );
2763 pfo->foMaxCharWidth = (INT16)XFONT_GetMaxCharWidth(pfo->fs, pfo->lpX11Trans);
2764
2765 /* FIXME: If we've got a soft font or
2766 * there are FO_SYNTH_... flags for the
2767 * non PROOF_QUALITY request, the engine
2768 * should rasterize characters into mono
2769 * pixmaps and store them in the pfo->lpPixmap
2770 * array (pfo->fs should be updated as well).
2771 * array (pfo->fs should be updated as well).
2772 * X11DRV_ExtTextOut() must be heavily modified
2773 * to support pixmap blitting and FO_SYNTH_...
2774 * styles.
2775 */
2776
2777 pfo->lpPixmap = NULL;
2778 }
2779
2780 if( !pfo ) /* couldn't get a new entry, get one of the cached fonts */
2781 {
2782 UINT current_score, score = (UINT)(-1);
2783
2784 i = index = fontMRU;
2785 fm.flags |= FO_MATCH_PAF;
2786 do
2787 {
2788 pfo = fontCache + i;
2789 fm.pfr = pfo->fr; fm.pfi = pfo->fi;
2790
2791 current_score = XFONT_Match( &fm );
2792 if( current_score < score ) index = i;
2793
2794 i = pfo->lru;
2795 } while( i >= 0 );
2796 pfo = fontCache + index;
2797 goto END;
2798 }
2799 }
2800
2801 /* attach at the head of the lru list */
2802 pfo->lru = fontMRU;
2803 index = fontMRU = (pfo - fontCache);
2804
2805 END:
2806 pfo->count++;
2807
2808 TRACE("physfont %i\n", index);
2809 *faceMatched = pfo->fi->df.dfFace;
2810
2811 return (X_PHYSFONT)(X_PFONT_MAGIC | index);
2812 }
2813
2814 /***********************************************************************
2815 * XFONT_GetFontObject
2816 */
2817 fontObject* XFONT_GetFontObject( X_PHYSFONT pFont )
2818 {
2819 if( CHECK_PFONT(pFont) ) return __PFONT(pFont);
2820 return NULL;
2821 }
2822
2823 /***********************************************************************
2824 * XFONT_GetFontStruct
2825 */
2826 XFontStruct* XFONT_GetFontStruct( X_PHYSFONT pFont )
2827 {
2828 if( CHECK_PFONT(pFont) ) return __PFONT(pFont)->fs;
2829 return NULL;
2830 }
2831
2832 /***********************************************************************
2833 * XFONT_GetFontInfo
2834 */
2835 LPIFONTINFO16 XFONT_GetFontInfo( X_PHYSFONT pFont )
2836 {
2837 if( CHECK_PFONT(pFont) ) return &(__PFONT(pFont)->fi->df);
2838 return NULL;
2839 }
2840
2841
2842
2843 /* X11DRV Interface ****************************************************
2844 * *
2845 * Exposed via the dc->funcs dispatch table. *
2846 * *
2847 ***********************************************************************/
2848 /***********************************************************************
2849 * X11DRV_FONT_SelectObject
2850 */
2851 HFONT X11DRV_FONT_SelectObject( DC* dc, HFONT hfont, FONTOBJ* font )
2852 {
2853 HFONT hPrevFont = 0;
2854 LOGFONT16 lf;
2855 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
2856
2857 EnterCriticalSection( &crtsc_fonts_X11 );
2858
2859 if( CHECK_PFONT(physDev->font) )
2860 XFONT_ReleaseCacheEntry( __PFONT(physDev->font) );
2861
2862 lf = font->logfont;
2863
2864 /* Make sure we don't change the sign when converting to device coords */
2865 /* FIXME - check that the other drivers do this correctly */
2866 if (lf.lfWidth)
2867 {
2868 int vpt = abs(dc->vportExtX);
2869 int wnd = abs(dc->wndExtX);
2870 lf.lfWidth = (abs(lf.lfWidth) * vpt + (wnd>>1))/wnd;
2871 if (lf.lfWidth == 0)
2872 lf.lfWidth = 1; /* Minimum width */
2873 }
2874 if (lf.lfHeight)
2875 {
2876 int vpt = abs(dc->vportExtY);
2877 int wnd = abs(dc->wndExtY);
2878 if (lf.lfHeight > 0)
2879 lf.lfHeight = (lf.lfHeight * vpt + (wnd>>1))/wnd;
2880 else
2881 lf.lfHeight = (lf.lfHeight * vpt - (wnd>>1))/wnd;
2882
2883 if (lf.lfHeight == 0)
2884 lf.lfHeight = MIN_FONT_SIZE;
2885 }
2886 else
2887 lf.lfHeight = -(DEF_POINT_SIZE * dc->w.devCaps->logPixelsY + (72>>1)) / 72;
2888
2889 {
2890 /* Fixup aliases before passing to RealizeFont */
2891 /* alias = Windows name in the alias table */
2892 LPCSTR alias = XFONT_UnAlias( lf.lfFaceName );
2893 LPCSTR faceMatched;
2894
2895 TRACE("hfont=%04x\n", hfont); /* to connect with the trace from RealizeFont */
2896 physDev->font = XFONT_RealizeFont( &lf, &faceMatched );
2897
2898 /* set face to the requested facename if it matched
2899 * so that GetTextFace can get the correct face name
2900 */
2901 if (alias && !strcmp(faceMatched, lf.lfFaceName))
2902 strcpy( font->logfont.lfFaceName, alias );
2903 else
2904 strcpy( font->logfont.lfFaceName, faceMatched );
2905 }
2906
2907 hPrevFont = dc->w.hFont;
2908 dc->w.hFont = hfont;
2909
2910 LeaveCriticalSection( &crtsc_fonts_X11 );
2911
2912 return hPrevFont;
2913 }
2914
2915
2916 /***********************************************************************
2917 *
2918 * X11DRV_EnumDeviceFonts
2919 */
2920 BOOL X11DRV_EnumDeviceFonts( DC* dc, LPLOGFONT16 plf,
2921 DEVICEFONTENUMPROC proc, LPARAM lp )
2922 {
2923 ENUMLOGFONTEX16 lf;
2924 NEWTEXTMETRIC16 tm;
2925 fontResource* pfr = fontList;
2926 BOOL b, bRet = 0;
2927
2928 if( plf->lfFaceName[0] )
2929 {
2930 /* enum all entries in this resource */
2931 pfr = XFONT_FindFIList( pfr, plf->lfFaceName );
2932 if( pfr )
2933 {
2934 fontInfo* pfi;
2935 for( pfi = pfr->fi; pfi; pfi = pfi->next )
2936 {
2937 /* Note: XFONT_GetFontMetric() will have to
2938 release the crit section, font list will
2939 have to be retraversed on return */
2940
2941 if( (b = (*proc)( &lf, &tm,
2942 XFONT_GetFontMetric( pfi, &lf, &tm ), lp )) )
2943 bRet = b;
2944 else break;
2945 }
2946 }
2947 }
2948 else /* enum first entry in each resource */
2949 for( ; pfr ; pfr = pfr->next )
2950 {
2951 if(pfr->fi)
2952 {
2953 if( (b = (*proc)( &lf, &tm,
2954 XFONT_GetFontMetric( pfr->fi, &lf, &tm ), lp )) )
2955 bRet = b;
2956 else break;
2957 }
2958 }
2959 return bRet;
2960 }
2961
2962
2963 /***********************************************************************
2964 * X11DRV_GetTextExtentPoint
2965 */
2966 BOOL X11DRV_GetTextExtentPoint( DC *dc, LPCWSTR str, INT count,
2967 LPSIZE size )
2968 {
2969 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
2970 fontObject* pfo = XFONT_GetFontObject( physDev->font );
2971
2972 TRACE("%s %d\n", debugstr_wn(str,count), count);
2973 if( pfo ) {
2974 if( !pfo->lpX11Trans ) {
2975 int dir, ascent, descent, i;
2976 XCharStruct info;
2977 XChar2b *p = HeapAlloc( GetProcessHeap(), 0,
2978 count * sizeof(XChar2b) );
2979 for(i = 0; i < count; i++) {
2980 p[i].byte1 = str[i] >> 8;
2981 p[i].byte2 = str[i] & 0xff;
2982 }
2983 TSXTextExtents16( pfo->fs, p, count, &dir, &ascent, &descent, &info );
2984 size->cx = abs((info.width + dc->w.breakRem + count *
2985 dc->w.charExtra) * dc->wndExtX / dc->vportExtX);
2986 size->cy = abs((pfo->fs->ascent + pfo->fs->descent) *
2987 dc->wndExtY / dc->vportExtY);
2988 HeapFree( GetProcessHeap(), 0, p );
2989 } else {
2990 INT i;
2991 float x = 0.0, y = 0.0;
2992 for(i = 0; i < count; i++) {
2993 x += pfo->fs->per_char ?
2994 pfo->fs->per_char[str[i] - pfo->fs->min_char_or_byte2].attributes :
2995 pfo->fs->min_bounds.attributes;
2996 }
2997 y = pfo->lpX11Trans->RAW_ASCENT + pfo->lpX11Trans->RAW_DESCENT;
2998 TRACE("x = %f y = %f\n", x, y);
2999 x *= pfo->lpX11Trans->pixelsize / 1000.0;
3000 y *= pfo->lpX11Trans->pixelsize / 1000.0;
3001 size->cx = fabs((x + dc->w.breakRem + count * dc->w.charExtra) *
3002 dc->wndExtX / dc->vportExtX);
3003 size->cy = fabs(y * dc->wndExtY / dc->vportExtY);
3004 }
3005 size->cx *= pfo->rescale;
3006 size->cy *= pfo->rescale;
3007 return TRUE;
3008 }
3009 return FALSE;
3010 }
3011
3012
3013 /***********************************************************************
3014 * X11DRV_GetTextMetrics
3015 */
3016 BOOL X11DRV_GetTextMetrics(DC *dc, TEXTMETRICA *metrics)
3017 {
3018 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
3019
3020 if( CHECK_PFONT(physDev->font) )
3021 {
3022 fontObject* pfo = __PFONT(physDev->font);
3023 XFONT_GetTextMetrics( pfo, metrics );
3024
3025 return TRUE;
3026 }
3027 return FALSE;
3028 }
3029
3030
3031 /***********************************************************************
3032 * X11DRV_GetCharWidth
3033 */
3034 BOOL X11DRV_GetCharWidth( DC *dc, UINT firstChar, UINT lastChar,
3035 LPINT buffer )
3036 {
3037 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
3038 fontObject* pfo = XFONT_GetFontObject( physDev->font );
3039
3040 if( pfo )
3041 {
3042 int i;
3043
3044 if (pfo->fs->per_char == NULL)
3045 for (i = firstChar; i <= lastChar; i++)
3046 if(pfo->lpX11Trans)
3047 *buffer++ = pfo->fs->min_bounds.attributes *
3048 pfo->lpX11Trans->pixelsize / 1000.0 * pfo->rescale;
3049 else
3050 *buffer++ = pfo->fs->min_bounds.width * pfo->rescale;
3051 else
3052 {
3053 XCharStruct *cs, *def;
3054 static XCharStruct __null_char = { 0, 0, 0, 0, 0, 0 };
3055
3056 CI_GET_CHAR_INFO(pfo->fs, pfo->fs->default_char, &__null_char,
3057 def);
3058
3059 for (i = firstChar; i <= lastChar; i++)
3060 {
3061 if (i >= pfo->fs->min_char_or_byte2 &&
3062 i <= pfo->fs->max_char_or_byte2)
3063 {
3064 cs = &pfo->fs->per_char[(i - pfo->fs->min_char_or_byte2)];
3065 if (CI_NONEXISTCHAR(cs)) cs = def;
3066 } else cs = def;
3067 if(pfo->lpX11Trans)
3068 *buffer++ = max(cs->attributes, 0) *
3069 pfo->lpX11Trans->pixelsize / 1000.0 * pfo->rescale;
3070 else
3071 *buffer++ = max(cs->width, 0 ) * pfo->rescale;
3072 }
3073 }
3074
3075 return TRUE;
3076 }
3077 return FALSE;
3078 }
3079
3080 #endif /* !defined(X_DISPLAY_MISSING) */
GSOC 2012 project to enhance the control panel