dlls/x11drv/codepage.c

   1 /*
   2  * X11 codepage handling
   3  *
   4  * Copyright 2000 Hidenori Takeshima <hidenori@a2.ctktv.ne.jp>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library 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 GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <math.h>
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "x11font.h"
  30 #include "wine/debug.h"
  31
  32 WINE_DEFAULT_DEBUG_CHANNEL(text);
  33
  34 /***********************************************************************
  35  *           IsLegalDBCSChar for cp932/936/949/950/euc
  36  */
  37 static inline
  38 int IsLegalDBCSChar_cp932( BYTE lead, BYTE trail )
  39 {
  40     return ( ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0x9f ) ||
  41                ( lead >= (BYTE)0xe0 && lead <= (BYTE)0xfc ) ) &&
  42              ( ( trail >= (BYTE)0x40 && trail <= (BYTE)0x7e ) ||
  43                ( trail >= (BYTE)0x80 && trail <= (BYTE)0xfc ) ) );
  44 }
  45
  46 static inline
  47 int IsLegalDBCSChar_cp936( BYTE lead, BYTE trail )
  48 {
  49     return ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
  50              ( trail >= (BYTE)0x40 && trail <= (BYTE)0xfe ) );
  51 }
  52
  53 static inline
  54 int IsLegalDBCSChar_cp949( BYTE lead, BYTE trail )
  55 {
  56     return ( ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
  57              ( trail >= (BYTE)0x41 && trail <= (BYTE)0xfe ) );
  58 }
  59
  60 static inline
  61 int IsLegalDBCSChar_cp950( BYTE lead, BYTE trail )
  62 {
  63     return (   ( lead >= (BYTE)0x81 && lead <= (BYTE)0xfe ) &&
  64              ( ( trail >= (BYTE)0x40 && trail <= (BYTE)0x7e ) ||
  65                ( trail >= (BYTE)0xa1 && trail <= (BYTE)0xfe ) ) );
  66 }
  67
  68 static inline
  69 int IsLegalDBCSChar_euc( BYTE lead, BYTE trail )
  70 {
  71     return ( ( lead >= (BYTE)0xa1 && lead <= (BYTE)0xfe ) &&
  72              ( trail >= (BYTE)0xa1 && trail <= (BYTE)0xfe ) );
  73 }
  74
  75
  76 /***********************************************************************
  77  *           DBCSCharToXChar2b for cp932/euc
  78  */
  79
  80 static inline
  81 void DBCSCharToXChar2b_cp932( XChar2b* pch, BYTE lead, BYTE trail )
  82 {
  83     unsigned int  high, low;
  84
  85     high = (unsigned int)lead;
  86     low = (unsigned int)trail;
  87
  88     if ( high <= 0x9f )
  89         high = (high<<1) - 0xe0;
  90     else
  91         high = (high<<1) - 0x160;
  92     if ( low < 0x9f )
  93     {
  94         high --;
  95         if ( low < 0x7f )
  96             low -= 0x1f;
  97         else
  98             low -= 0x20;
  99     }
 100     else
 101     {
 102         low -= 0x7e;
 103     }
 104
 105     pch->byte1 = (unsigned char)high;
 106     pch->byte2 = (unsigned char)low;
 107 }
 108
 109 static inline
 110 void DBCSCharToXChar2b_euc( XChar2b* pch, BYTE lead, BYTE trail )
 111 {
 112     pch->byte1 = lead & (BYTE)0x7f;
 113     pch->byte2 = trail & (BYTE)0x7f;
 114 }
 115
 116
 117
 118
 119 static WORD X11DRV_enum_subfont_charset_normal( UINT index )
 120 {
 121     return DEFAULT_CHARSET;
 122 }
 123
 124 static WORD X11DRV_enum_subfont_charset_cp932( UINT index )
 125 {
 126     switch ( index )
 127     {
 128     case 0: return X11FONT_JISX0201_CHARSET;
 129     case 1: return X11FONT_JISX0212_CHARSET;
 130     }
 131
 132     return DEFAULT_CHARSET;
 133 }
 134
 135 static WORD X11DRV_enum_subfont_charset_cp936( UINT index )
 136 {
 137     switch ( index )
 138     {
 139     case 0: return ANSI_CHARSET;
 140     }
 141
 142     return DEFAULT_CHARSET;
 143 }
 144
 145 static WORD X11DRV_enum_subfont_charset_cp949( UINT index )
 146 {
 147     switch ( index )
 148     {
 149     case 0: return ANSI_CHARSET;
 150     }
 151
 152     return DEFAULT_CHARSET;
 153 }
 154
 155 static WORD X11DRV_enum_subfont_charset_cp950( UINT index )
 156 {
 157     switch ( index )
 158     {
 159     case 0: return ANSI_CHARSET;
 160     }
 161
 162     return DEFAULT_CHARSET;
 163 }
 164
 165
 166 static XChar2b* X11DRV_unicode_to_char2b_sbcs( fontObject* pfo,
 167                                                LPCWSTR lpwstr, UINT count )
 168 {
 169     XChar2b *str2b;
 170     UINT i;
 171     BYTE *str;
 172     UINT codepage = pfo->fi->codepage;
 173     char ch = pfo->fs->default_char;
 174
 175     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 176         return NULL;
 177     if (!(str = HeapAlloc( GetProcessHeap(), 0, count )))
 178     {
 179         HeapFree( GetProcessHeap(), 0, str2b );
 180         return NULL;
 181     }
 182
 183     WideCharToMultiByte( codepage, 0, lpwstr, count, str, count, &ch, NULL );
 184
 185     for (i = 0; i < count; i++)
 186     {
 187         str2b[i].byte1 = 0;
 188         str2b[i].byte2 = str[i];
 189     }
 190     HeapFree( GetProcessHeap(), 0, str );
 191
 192     return str2b;
 193 }
 194
 195 static XChar2b* X11DRV_unicode_to_char2b_unicode( fontObject* pfo,
 196                                                   LPCWSTR lpwstr, UINT count )
 197 {
 198     XChar2b *str2b;
 199     UINT i;
 200
 201     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 202         return NULL;
 203
 204     for (i = 0; i < count; i++)
 205     {
 206         str2b[i].byte1 = lpwstr[i] >> 8;
 207         str2b[i].byte2 = lpwstr[i] & 0xff;
 208     }
 209
 210     return str2b;
 211 }
 212
 213 /* FIXME: handle jisx0212.1990... */
 214 static XChar2b* X11DRV_unicode_to_char2b_cp932( fontObject* pfo,
 215                                                 LPCWSTR lpwstr, UINT count )
 216 {
 217     XChar2b *str2b;
 218     XChar2b *str2b_dst;
 219     BYTE *str;
 220     BYTE *str_src;
 221     UINT i;
 222     char ch = pfo->fs->default_char;
 223
 224     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 225         return NULL;
 226     if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
 227     {
 228         HeapFree( GetProcessHeap(), 0, str2b );
 229         return NULL;
 230     }
 231
 232     /* handle jisx0212.1990... */
 233     WideCharToMultiByte( 932, 0, lpwstr, count, str, count*2, &ch, NULL );
 234
 235     str_src = str;
 236     str2b_dst = str2b;
 237     for (i = 0; i < count; i++, str_src++, str2b_dst++)
 238     {
 239         if ( IsLegalDBCSChar_cp932( *str_src, *(str_src+1) ) )
 240         {
 241             DBCSCharToXChar2b_cp932( str2b_dst, *str_src, *(str_src+1) );
 242             str_src++;
 243         }
 244         else
 245         {
 246             str2b_dst->byte1 = 0;
 247             str2b_dst->byte2 = *str_src;
 248         }
 249     }
 250
 251     HeapFree( GetProcessHeap(), 0, str );
 252
 253     return str2b;
 254 }
 255
 256
 257 static XChar2b* X11DRV_unicode_to_char2b_cp936( fontObject* pfo,
 258                                                 LPCWSTR lpwstr, UINT count )
 259 {
 260     XChar2b *str2b;
 261     XChar2b *str2b_dst;
 262     BYTE *str;
 263     BYTE *str_src;
 264     UINT i;
 265     char ch = pfo->fs->default_char;
 266
 267     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 268         return NULL;
 269     if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
 270     {
 271         HeapFree( GetProcessHeap(), 0, str2b );
 272         return NULL;
 273     }
 274     WideCharToMultiByte( 936, 0, lpwstr, count, str, count*2, &ch, NULL );
 275
 276     str_src = str;
 277     str2b_dst = str2b;
 278     for (i = 0; i < count; i++, str_src++, str2b_dst++)
 279     {
 280         if ( IsLegalDBCSChar_cp936( *str_src, *(str_src+1) ) )
 281         {
 282             str2b_dst->byte1 = *str_src;
 283             str2b_dst->byte2 = *(str_src+1);
 284             str_src++;
 285         }
 286         else
 287         {
 288             str2b_dst->byte1 = 0;
 289             str2b_dst->byte2 = *str_src;
 290         }
 291     }
 292
 293     HeapFree( GetProcessHeap(), 0, str );
 294
 295     return str2b;
 296 }
 297
 298 static XChar2b* X11DRV_unicode_to_char2b_cp949( fontObject* pfo,
 299                                                 LPCWSTR lpwstr, UINT count )
 300 {
 301     XChar2b *str2b;
 302     XChar2b *str2b_dst;
 303     BYTE *str;
 304     BYTE *str_src;
 305     UINT i;
 306     char ch = pfo->fs->default_char;
 307
 308     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 309         return NULL;
 310     if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
 311     {
 312         HeapFree( GetProcessHeap(), 0, str2b );
 313         return NULL;
 314     }
 315     WideCharToMultiByte( 949, 0, lpwstr, count, str, count*2, &ch, NULL );
 316
 317     str_src = str;
 318     str2b_dst = str2b;
 319     for (i = 0; i < count; i++, str_src++, str2b_dst++)
 320     {
 321         if ( IsLegalDBCSChar_cp949( *str_src, *(str_src+1) ) )
 322         {
 323             str2b_dst->byte1 = *str_src;
 324             str2b_dst->byte2 = *(str_src+1);
 325             str_src++;
 326         }
 327         else
 328         {
 329             str2b_dst->byte1 = 0;
 330             str2b_dst->byte2 = *str_src;
 331         }
 332     }
 333
 334     HeapFree( GetProcessHeap(), 0, str );
 335
 336     return str2b;
 337 }
 338
 339
 340 static XChar2b* X11DRV_unicode_to_char2b_cp950( fontObject* pfo,
 341                                                 LPCWSTR lpwstr, UINT count )
 342 {
 343     XChar2b *str2b;
 344     XChar2b *str2b_dst;
 345     BYTE *str;
 346     BYTE *str_src;
 347     UINT i;
 348     char ch = pfo->fs->default_char;
 349
 350     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 351         return NULL;
 352     if (!(str = HeapAlloc( GetProcessHeap(), 0, count*2 )))
 353     {
 354         HeapFree( GetProcessHeap(), 0, str2b );
 355         return NULL;
 356     }
 357     WideCharToMultiByte( 950, 0, lpwstr, count, str, count*2, &ch, NULL );
 358
 359     str_src = str;
 360     str2b_dst = str2b;
 361     for (i = 0; i < count; i++, str_src++, str2b_dst++)
 362     {
 363         if ( IsLegalDBCSChar_cp950( *str_src, *(str_src+1) ) )
 364         {
 365             str2b_dst->byte1 = *str_src;
 366             str2b_dst->byte2 = *(str_src+1);
 367             str_src++;
 368         }
 369         else
 370         {
 371             str2b_dst->byte1 = 0;
 372             str2b_dst->byte2 = *str_src;
 373         }
 374     }
 375
 376     HeapFree( GetProcessHeap(), 0, str );
 377
 378     return str2b;
 379 }
 380
 381 static XChar2b* X11DRV_unicode_to_char2b_symbol( fontObject* pfo,
 382                                                  LPCWSTR lpwstr, UINT count )
 383 {
 384     XChar2b *str2b;
 385     UINT i;
 386     char ch = pfo->fs->default_char;
 387
 388     if (!(str2b = HeapAlloc( GetProcessHeap(), 0, count * sizeof(XChar2b) )))
 389         return NULL;
 390
 391     for (i = 0; i < count; i++)
 392     {
 393         str2b[i].byte1 = 0;
 394         if(lpwstr[i] >= 0xf000 && lpwstr[i] < 0xf100)
 395             str2b[i].byte2 = lpwstr[i] - 0xf000;
 396         else if(lpwstr[i] < 0x100)
 397             str2b[i].byte2 = lpwstr[i];
 398         else
 399             str2b[i].byte2 = ch;
 400     }
 401
 402     return str2b;
 403 }
 404
 405
 406 static void X11DRV_DrawString_normal( fontObject* pfo, Display* pdisp,
 407                                       Drawable d, GC gc, int x, int y,
 408                                       XChar2b* pstr, int count )
 409 {
 410     wine_tsx11_lock();
 411     XDrawString16( pdisp, d, gc, x, y, pstr, count );
 412     wine_tsx11_unlock();
 413 }
 414
 415 static int X11DRV_TextWidth_normal( fontObject* pfo, XChar2b* pstr, int count )
 416 {
 417     int ret;
 418     wine_tsx11_lock();
 419     ret = XTextWidth16( pfo->fs, pstr, count );
 420     wine_tsx11_unlock();
 421     return ret;
 422 }
 423
 424 static void X11DRV_DrawText_normal( fontObject* pfo, Display* pdisp, Drawable d,
 425                                     GC gc, int x, int y, XTextItem16* pitems,
 426                                     int count )
 427 {
 428     wine_tsx11_lock();
 429     XDrawText16( pdisp, d, gc, x, y, pitems, count );
 430     wine_tsx11_unlock();
 431 }
 432
 433 static void X11DRV_TextExtents_normal( fontObject* pfo, XChar2b* pstr, int count,
 434                                        int* pdir, int* pascent, int* pdescent,
 435                                        int* pwidth )
 436 {
 437     XCharStruct info;
 438
 439     wine_tsx11_lock();
 440     XTextExtents16( pfo->fs, pstr, count, pdir, pascent, pdescent, &info );
 441     wine_tsx11_unlock();
 442     *pwidth = info.width;
 443 }
 444
 445 static void X11DRV_GetTextMetricsW_normal( fontObject* pfo, LPTEXTMETRICW pTM )
 446 {
 447     LPIFONTINFO16 pdf = &pfo->fi->df;
 448
 449     if( ! pfo->lpX11Trans ) {
 450       pTM->tmAscent = pfo->fs->ascent;
 451       pTM->tmDescent = pfo->fs->descent;
 452     } else {
 453       pTM->tmAscent = pfo->lpX11Trans->ascent;
 454       pTM->tmDescent = pfo->lpX11Trans->descent;
 455     }
 456
 457     pTM->tmAscent *= pfo->rescale;
 458     pTM->tmDescent *= pfo->rescale;
 459
 460     pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
 461
 462     pTM->tmAveCharWidth = pfo->foAvgCharWidth * pfo->rescale;
 463     pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
 464
 465     pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
 466     pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
 467
 468     pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
 469                         ? 1 : pdf->dfStrikeOut;
 470     pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
 471                         ? 1 : pdf->dfUnderline;
 472
 473     pTM->tmOverhang = 0;
 474     if( pfo->fo_flags & FO_SYNTH_ITALIC )
 475     {
 476         pTM->tmOverhang += pTM->tmHeight/3;
 477         pTM->tmItalic = 1;
 478     } else
 479         pTM->tmItalic = pdf->dfItalic;
 480
 481     pTM->tmWeight = pdf->dfWeight;
 482     if( pfo->fo_flags & FO_SYNTH_BOLD )
 483     {
 484         pTM->tmOverhang++;
 485         pTM->tmWeight += 100;
 486     }
 487
 488     pTM->tmFirstChar = pdf->dfFirstChar;
 489     pTM->tmLastChar = pdf->dfLastChar;
 490     pTM->tmDefaultChar = pdf->dfDefaultChar;
 491     pTM->tmBreakChar = pdf->dfBreakChar;
 492
 493     pTM->tmCharSet = pdf->dfCharSet;
 494     pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
 495
 496     pTM->tmDigitizedAspectX = pdf->dfHorizRes;
 497     pTM->tmDigitizedAspectY = pdf->dfVertRes;
 498 }
 499
 500
 501
 502 static
 503 void X11DRV_DrawString_dbcs( fontObject* pfo, Display* pdisp,
 504                              Drawable d, GC gc, int x, int y,
 505                              XChar2b* pstr, int count )
 506 {
 507     XTextItem16 item;
 508
 509     item.chars = pstr;
 510     item.delta = 0;
 511     item.nchars = count;
 512     item.font = None;
 513     X11DRV_cptable[pfo->fi->cptable].pDrawText(
 514                 pfo, pdisp, d, gc, x, y, &item, 1 );
 515 }
 516
 517 static
 518 int X11DRV_TextWidth_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count )
 519 {
 520     int i;
 521     int width;
 522     int curfont;
 523     fontObject* pfos[X11FONT_REFOBJS_MAX+1];
 524
 525     pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
 526     pfos[1] = pfo;
 527     if ( pfos[0] == NULL ) pfos[0] = pfo;
 528
 529     width = 0;
 530     wine_tsx11_lock();
 531     for ( i = 0; i < count; i++ )
 532     {
 533         curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
 534         width += XTextWidth16( pfos[curfont]->fs, pstr, 1 );
 535         pstr ++;
 536     }
 537     wine_tsx11_unlock();
 538     return width;
 539 }
 540
 541 static
 542 void X11DRV_DrawText_dbcs_2fonts( fontObject* pfo, Display* pdisp, Drawable d,
 543                                   GC gc, int x, int y, XTextItem16* pitems,
 544                                   int count )
 545 {
 546     int i, nitems, prevfont = -1, curfont;
 547     XChar2b* pstr;
 548     XTextItem16* ptibuf;
 549     XTextItem16* pti;
 550     fontObject* pfos[X11FONT_REFOBJS_MAX+1];
 551
 552     pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
 553     pfos[1] = pfo;
 554     if ( pfos[0] == NULL ) pfos[0] = pfo;
 555
 556     nitems = 0;
 557     for ( i = 0; i < count; i++ )
 558         nitems += pitems->nchars;
 559     ptibuf = HeapAlloc( GetProcessHeap(), 0, sizeof(XTextItem16) * nitems );
 560     if ( ptibuf == NULL )
 561         return; /* out of memory */
 562
 563     pti = ptibuf;
 564     while ( count-- > 0 )
 565     {
 566         pti->chars = pstr = pitems->chars;
 567         pti->delta = pitems->delta;
 568         pti->font = None;
 569         for ( i = 0; i < pitems->nchars; i++, pstr++ )
 570         {
 571             curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
 572             if ( curfont != prevfont )
 573             {
 574                 if ( pstr != pti->chars )
 575                 {
 576                     pti->nchars = pstr - pti->chars;
 577                     pti ++;
 578                     pti->chars = pstr;
 579                     pti->delta = 0;
 580                 }
 581                 pti->font = pfos[curfont]->fs->fid;
 582                 prevfont = curfont;
 583             }
 584         }
 585         pti->nchars = pstr - pti->chars;
 586         pitems ++; pti ++;
 587     }
 588     wine_tsx11_lock();
 589     XDrawText16( pdisp, d, gc, x, y, ptibuf, pti - ptibuf );
 590     wine_tsx11_unlock();
 591     HeapFree( GetProcessHeap(), 0, ptibuf );
 592 }
 593
 594 static
 595 void X11DRV_TextExtents_dbcs_2fonts( fontObject* pfo, XChar2b* pstr, int count,
 596                                      int* pdir, int* pascent, int* pdescent,
 597                                      int* pwidth )
 598 {
 599     XCharStruct info;
 600     int ascent, descent, width;
 601     int i;
 602     int curfont;
 603     fontObject* pfos[X11FONT_REFOBJS_MAX+1];
 604
 605     pfos[0] = XFONT_GetFontObject( pfo->prefobjs[0] );
 606     pfos[1] = pfo;
 607     if ( pfos[0] == NULL ) pfos[0] = pfo;
 608
 609     width = 0;
 610     *pascent = 0;
 611     *pdescent = 0;
 612     wine_tsx11_lock();
 613     for ( i = 0; i < count; i++ )
 614     {
 615         curfont = ( pstr->byte1 != 0 ) ? 1 : 0;
 616         XTextExtents16( pfos[curfont]->fs, pstr, 1, pdir, &ascent, &descent, &info );
 617         if ( *pascent < ascent ) *pascent = ascent;
 618         if ( *pdescent < descent ) *pdescent = descent;
 619         width += info.width;
 620
 621         pstr ++;
 622     }
 623     wine_tsx11_unlock();
 624     *pwidth = width;
 625 }
 626
 627 static void X11DRV_GetTextMetricsW_cp932( fontObject* pfo, LPTEXTMETRICW pTM )
 628 {
 629     fontObject* pfo_ansi = XFONT_GetFontObject( pfo->prefobjs[0] );
 630     LPIFONTINFO16 pdf = &pfo->fi->df;
 631     LPIFONTINFO16 pdf_ansi;
 632
 633     pdf_ansi = ( pfo_ansi != NULL ) ? (&pfo_ansi->fi->df) : pdf;
 634
 635     if( ! pfo->lpX11Trans ) {
 636       pTM->tmAscent = pfo->fs->ascent;
 637       pTM->tmDescent = pfo->fs->descent;
 638     } else {
 639       pTM->tmAscent = pfo->lpX11Trans->ascent;
 640       pTM->tmDescent = pfo->lpX11Trans->descent;
 641     }
 642
 643     pTM->tmAscent *= pfo->rescale;
 644     pTM->tmDescent *= pfo->rescale;
 645
 646     pTM->tmHeight = pTM->tmAscent + pTM->tmDescent;
 647
 648     if ( pfo_ansi != NULL )
 649     {
 650         pTM->tmAveCharWidth = floor((pfo_ansi->foAvgCharWidth * 2.0 + pfo->foAvgCharWidth) / 3.0 * pfo->rescale + 0.5);
 651         pTM->tmMaxCharWidth = max(pfo_ansi->foMaxCharWidth, pfo->foMaxCharWidth) * pfo->rescale;
 652     }
 653     else
 654     {
 655         pTM->tmAveCharWidth = floor((pfo->foAvgCharWidth * pfo->rescale + 1.0) / 2.0);
 656         pTM->tmMaxCharWidth = pfo->foMaxCharWidth * pfo->rescale;
 657     }
 658
 659     pTM->tmInternalLeading = pfo->foInternalLeading * pfo->rescale;
 660     pTM->tmExternalLeading = pdf->dfExternalLeading * pfo->rescale;
 661
 662     pTM->tmStruckOut = (pfo->fo_flags & FO_SYNTH_STRIKEOUT )
 663                         ? 1 : pdf->dfStrikeOut;
 664     pTM->tmUnderlined = (pfo->fo_flags & FO_SYNTH_UNDERLINE )
 665                         ? 1 : pdf->dfUnderline;
 666
 667     pTM->tmOverhang = 0;
 668     if( pfo->fo_flags & FO_SYNTH_ITALIC )
 669     {
 670         pTM->tmOverhang += pTM->tmHeight/3;
 671         pTM->tmItalic = 1;
 672     } else
 673         pTM->tmItalic = pdf->dfItalic;
 674
 675     pTM->tmWeight = pdf->dfWeight;
 676     if( pfo->fo_flags & FO_SYNTH_BOLD )
 677     {
 678         pTM->tmOverhang++;
 679         pTM->tmWeight += 100;
 680     }
 681
 682     pTM->tmFirstChar = pdf_ansi->dfFirstChar;
 683     pTM->tmLastChar = pdf_ansi->dfLastChar;
 684     pTM->tmDefaultChar = pdf_ansi->dfDefaultChar;
 685     pTM->tmBreakChar = pdf_ansi->dfBreakChar;
 686
 687     pTM->tmCharSet = pdf->dfCharSet;
 688     pTM->tmPitchAndFamily = pdf->dfPitchAndFamily;
 689
 690     pTM->tmDigitizedAspectX = pdf->dfHorizRes;
 691     pTM->tmDigitizedAspectY = pdf->dfVertRes;
 692 }
 693
 694
 695
 696
 697
 698 const X11DRV_CP X11DRV_cptable[X11DRV_CPTABLE_COUNT] =
 699 {
 700     { /* SBCS */
 701         X11DRV_enum_subfont_charset_normal,
 702         X11DRV_unicode_to_char2b_sbcs,
 703         X11DRV_DrawString_normal,
 704         X11DRV_TextWidth_normal,
 705         X11DRV_DrawText_normal,
 706         X11DRV_TextExtents_normal,
 707         X11DRV_GetTextMetricsW_normal,
 708     },
 709     { /* UNICODE */
 710         X11DRV_enum_subfont_charset_normal,
 711         X11DRV_unicode_to_char2b_unicode,
 712         X11DRV_DrawString_normal,
 713         X11DRV_TextWidth_normal,
 714         X11DRV_DrawText_normal,
 715         X11DRV_TextExtents_normal,
 716         X11DRV_GetTextMetricsW_normal,
 717     },
 718     { /* CP932 */
 719         X11DRV_enum_subfont_charset_cp932,
 720         X11DRV_unicode_to_char2b_cp932,
 721         X11DRV_DrawString_dbcs,
 722         X11DRV_TextWidth_dbcs_2fonts,
 723         X11DRV_DrawText_dbcs_2fonts,
 724         X11DRV_TextExtents_dbcs_2fonts,
 725         X11DRV_GetTextMetricsW_cp932,
 726     },
 727     { /* CP936 */
 728         X11DRV_enum_subfont_charset_cp936,
 729         X11DRV_unicode_to_char2b_cp936,
 730         X11DRV_DrawString_dbcs,
 731         X11DRV_TextWidth_dbcs_2fonts,
 732         X11DRV_DrawText_dbcs_2fonts,
 733         X11DRV_TextExtents_dbcs_2fonts,
 734         X11DRV_GetTextMetricsW_normal, /* FIXME */
 735     },
 736     { /* CP949 */
 737         X11DRV_enum_subfont_charset_cp949,
 738         X11DRV_unicode_to_char2b_cp949,
 739         X11DRV_DrawString_dbcs,
 740         X11DRV_TextWidth_dbcs_2fonts,
 741         X11DRV_DrawText_dbcs_2fonts,
 742         X11DRV_TextExtents_dbcs_2fonts,
 743         X11DRV_GetTextMetricsW_normal, /* FIXME */
 744     },
 745     { /* CP950 */
 746         X11DRV_enum_subfont_charset_cp950,
 747         X11DRV_unicode_to_char2b_cp950,
 748         X11DRV_DrawString_dbcs,
 749         X11DRV_TextWidth_dbcs_2fonts,
 750         X11DRV_DrawText_dbcs_2fonts,
 751         X11DRV_TextExtents_dbcs_2fonts,
 752         X11DRV_GetTextMetricsW_cp932,
 753     },
 754     { /* SYMBOL */
 755         X11DRV_enum_subfont_charset_normal,
 756         X11DRV_unicode_to_char2b_symbol,
 757         X11DRV_DrawString_normal,
 758         X11DRV_TextWidth_normal,
 759         X11DRV_DrawText_normal,
 760         X11DRV_TextExtents_normal,
 761         X11DRV_GetTextMetricsW_normal,
 762     }
 763 };