src/x11/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "font.h"
  22 #endif
  23
  24 #ifdef __VMS
  25 #pragma message disable nosimpint
  26 #include "wx/vms_x_fix.h"
  27 #endif
  28
  29 #ifdef __VMS
  30 #pragma message enable nosimpint
  31 #endif
  32
  33 #include "wx/defs.h"
  34 #include "wx/string.h"
  35 #include "wx/font.h"
  36 #include "wx/gdicmn.h"
  37 #include "wx/utils.h"       // for wxGetDisplay()
  38 #include "wx/fontutil.h"    // for wxNativeFontInfo
  39 #include "wx/tokenzr.h"
  40 #include "wx/settings.h"
  41
  42 #include "wx/x11/private.h"
  43
  44 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  45
  46 // ----------------------------------------------------------------------------
  47 // constants
  48 // ----------------------------------------------------------------------------
  49
  50 // the default size (in points) for the fonts
  51 static const int wxDEFAULT_FONT_SIZE = 12;
  52
  53
  54 #if wxUSE_UNICODE
  55 #else
  56 // ----------------------------------------------------------------------------
  57 // wxXFont
  58 // ----------------------------------------------------------------------------
  59
  60 // For every wxFont, there must be a font for each display and scale requested.
  61 // So these objects are stored in wxFontRefData::m_fonts
  62 class wxXFont : public wxObject
  63 {
  64 public:
  65     wxXFont();
  66     ~wxXFont();
  67
  68     WXFontStructPtr     m_fontStruct;   // XFontStruct
  69     WXDisplay*          m_display;      // XDisplay
  70     int                 m_scale;        // Scale * 100
  71 };
  72
  73 wxXFont::wxXFont()
  74 {
  75     m_fontStruct = (WXFontStructPtr) 0;
  76     m_display = (WXDisplay*) 0;
  77     m_scale = 100;
  78 }
  79
  80 wxXFont::~wxXFont()
  81 {
  82     // TODO: why does freeing the font produce a segv???
  83     // Note that XFreeFont wasn't called in wxWin 1.68 either.
  84     // XFontStruct* fontStruct = (XFontStruct*) m_fontStruct;
  85     //        XFreeFont((Display*) m_display, fontStruct);
  86 }
  87 #endif
  88
  89 // ----------------------------------------------------------------------------
  90 // wxFontRefData
  91 // ----------------------------------------------------------------------------
  92
  93 class wxFontRefData: public wxObjectRefData
  94 {
  95 friend class wxFont;
  96
  97 public:
  98     wxFontRefData(int size = wxDEFAULT,
  99                   int family = wxDEFAULT,
 100                   int style = wxDEFAULT,
 101                   int weight = wxDEFAULT,
 102                   bool underlined = FALSE,
 103                   const wxString& faceName = wxEmptyString,
 104                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
 105
 106     // copy cstr
 107     wxFontRefData(const wxFontRefData& data);
 108
 109     // from XFLD
 110     wxFontRefData(const wxString& fontname);
 111
 112     // dstr
 113     virtual ~wxFontRefData();
 114
 115     // setters: all of them also take care to modify m_nativeFontInfo if we
 116     // have it so as to not lose the information not carried by our fields
 117     void SetPointSize(int pointSize);
 118     void SetFamily(int family);
 119     void SetStyle(int style);
 120     void SetWeight(int weight);
 121     void SetUnderlined(bool underlined);
 122     void SetFaceName(const wxString& facename);
 123     void SetEncoding(wxFontEncoding encoding);
 124
 125     void SetNoAntiAliasing( bool no = TRUE ) { m_noAA = no; }
 126     bool GetNoAntiAliasing() { return m_noAA; }
 127
 128     // and this one also modifies all the other font data fields
 129     void SetNativeFontInfo(const wxNativeFontInfo& info);
 130
 131 protected:
 132     // common part of all ctors
 133     void Init(int size,
 134               int family,
 135               int style,
 136               int weight,
 137               bool underlined,
 138               const wxString& faceName,
 139               wxFontEncoding encoding);
 140
 141     // set all fields from (already initialized and valid) m_nativeFontInfo
 142     void InitFromNative();
 143
 144     // font attributes
 145     int           m_pointSize;
 146     int           m_family;
 147     int           m_style;
 148     int           m_weight;
 149     bool          m_underlined;
 150     wxString      m_faceName;
 151     wxFontEncoding m_encoding;   // Unused in Unicode mode
 152     bool            m_noAA;      // No anti-aliasing
 153
 154     wxNativeFontInfo m_nativeFontInfo;
 155
 156     void ClearX11Fonts();
 157
 158 #if wxUSE_UNICODE
 159 #else
 160     // A list of wxXFonts
 161     wxList        m_fonts;
 162 #endif
 163 };
 164
 165 // ----------------------------------------------------------------------------
 166 // wxFontRefData
 167 // ----------------------------------------------------------------------------
 168
 169 void wxFontRefData::Init(int pointSize,
 170                          int family,
 171                          int style,
 172                          int weight,
 173                          bool underlined,
 174                          const wxString& faceName,
 175                          wxFontEncoding encoding)
 176 {
 177     m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
 178
 179     m_faceName = faceName;
 180
 181     // we accept both wxDEFAULT and wxNORMAL here - should we?
 182     m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
 183     m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
 184
 185     // and here, do we really want to forbid creation of the font of the size
 186     // 90 (the value of wxDEFAULT)??
 187     m_pointSize = pointSize == wxDEFAULT || pointSize == -1
 188                     ? wxDEFAULT_FONT_SIZE
 189                     : pointSize;
 190
 191     m_underlined = underlined;
 192     m_encoding = encoding;
 193
 194 #if wxUSE_UNICODE
 195     // Create native font info
 196     m_nativeFontInfo.description = pango_font_description_new();
 197
 198     // And set its values
 199     switch (m_family)
 200     {
 201         case wxFONTFAMILY_MODERN:
 202         case wxFONTFAMILY_TELETYPE:
 203            pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
 204            break;
 205         case wxFONTFAMILY_SWISS:
 206            pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
 207            break;
 208         default:
 209            pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
 210            break;
 211     }
 212     SetStyle( m_style );
 213     SetPointSize( m_pointSize );
 214     SetWeight( m_weight );
 215 #endif
 216 }
 217
 218 void wxFontRefData::InitFromNative()
 219 {
 220     m_noAA = FALSE;
 221
 222 #if wxUSE_UNICODE
 223     // Get native info
 224     PangoFontDescription *desc = m_nativeFontInfo.description;
 225
 226     // init fields
 227     m_faceName = wxGTK_CONV_BACK( pango_font_description_get_family( desc ) );
 228
 229     m_pointSize = pango_font_description_get_size( desc ) / PANGO_SCALE;
 230
 231     switch (pango_font_description_get_style( desc ))
 232     {
 233         case PANGO_STYLE_NORMAL:
 234             m_style = wxFONTSTYLE_NORMAL;
 235             break;
 236         case PANGO_STYLE_ITALIC:
 237             m_style = wxFONTSTYLE_ITALIC;
 238             break;
 239         case PANGO_STYLE_OBLIQUE:
 240             m_style = wxFONTSTYLE_SLANT;
 241             break;
 242     }
 243
 244     switch (pango_font_description_get_weight( desc ))
 245     {
 246         case PANGO_WEIGHT_ULTRALIGHT:
 247             m_weight = wxFONTWEIGHT_LIGHT;
 248             break;
 249         case PANGO_WEIGHT_LIGHT:
 250             m_weight = wxFONTWEIGHT_LIGHT;
 251             break;
 252         case PANGO_WEIGHT_NORMAL:
 253             m_weight = wxFONTWEIGHT_NORMAL;
 254             break;
 255         case PANGO_WEIGHT_BOLD:
 256             m_weight = wxFONTWEIGHT_BOLD;
 257             break;
 258         case PANGO_WEIGHT_ULTRABOLD:
 259             m_weight = wxFONTWEIGHT_BOLD;
 260             break;
 261         case PANGO_WEIGHT_HEAVY:
 262             m_weight = wxFONTWEIGHT_BOLD;
 263             break;
 264     }
 265
 266     if (m_faceName == wxT("monospace"))
 267     {
 268         m_family = wxFONTFAMILY_TELETYPE;
 269     }
 270     else if (m_faceName == wxT("sans"))
 271     {
 272         m_family = wxFONTFAMILY_SWISS;
 273     }
 274     else
 275     {
 276         m_family = wxFONTFAMILY_UNKNOWN;
 277     }
 278
 279     // Pango description are never underlined (?)
 280     m_underlined = FALSE;
 281
 282     // Cannot we choose that
 283     m_encoding = wxFONTENCODING_SYSTEM;
 284 #else // X11
 285     // get the font parameters from the XLFD
 286     // -------------------------------------
 287
 288     m_faceName = m_nativeFontInfo.GetXFontComponent(wxXLFD_FAMILY);
 289
 290     m_weight = wxFONTWEIGHT_NORMAL;
 291
 292     wxString w = m_nativeFontInfo.GetXFontComponent(wxXLFD_WEIGHT).Upper();
 293     if ( !w.empty() && w != _T('*') )
 294     {
 295         // the test below catches all of BOLD, EXTRABOLD, DEMIBOLD, ULTRABOLD
 296         // and BLACK
 297         if ( ((w[0u] == _T('B') && (!wxStrcmp(w.c_str() + 1, wxT("OLD")) ||
 298                                    !wxStrcmp(w.c_str() + 1, wxT("LACK"))))) ||
 299              wxStrstr(w.c_str() + 1, _T("BOLD")) )
 300         {
 301             m_weight = wxFONTWEIGHT_BOLD;
 302         }
 303         else if ( w == _T("LIGHT") || w == _T("THIN") )
 304         {
 305             m_weight = wxFONTWEIGHT_LIGHT;
 306         }
 307     }
 308
 309     switch ( wxToupper(*m_nativeFontInfo.
 310                             GetXFontComponent(wxXLFD_SLANT).c_str()) )
 311     {
 312         case _T('I'):   // italique
 313             m_style = wxFONTSTYLE_ITALIC;
 314             break;
 315
 316         case _T('O'):   // oblique
 317             m_style = wxFONTSTYLE_SLANT;
 318             break;
 319
 320         default:
 321             m_style = wxFONTSTYLE_NORMAL;
 322     }
 323
 324     long ptSize;
 325     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_POINTSIZE).ToLong(&ptSize) )
 326     {
 327         // size in XLFD is in 10 point units
 328         m_pointSize = (int)(ptSize / 10);
 329     }
 330     else
 331     {
 332         m_pointSize = wxDEFAULT_FONT_SIZE;
 333     }
 334
 335     // examine the spacing: if the font is monospaced, assume wxTELETYPE
 336     // family for compatibility with the old code which used it instead of
 337     // IsFixedWidth()
 338     if ( m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING).Upper() == _T('M') )
 339     {
 340         m_family = wxFONTFAMILY_TELETYPE;
 341     }
 342     else // not monospaceed
 343     {
 344         // don't even try guessing it, it doesn't work for too many fonts
 345         // anyhow
 346         m_family = wxFONTFAMILY_UNKNOWN;
 347     }
 348
 349     // X fonts are never underlined...
 350     m_underlined = FALSE;
 351
 352     // deal with font encoding
 353     wxString
 354         registry = m_nativeFontInfo.GetXFontComponent(wxXLFD_REGISTRY).Upper(),
 355         encoding = m_nativeFontInfo.GetXFontComponent(wxXLFD_ENCODING).Upper();
 356
 357     if ( registry == _T("ISO8859") )
 358     {
 359         int cp;
 360         if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 361         {
 362             m_encoding = (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 363         }
 364     }
 365     else if ( registry == _T("MICROSOFT") )
 366     {
 367         int cp;
 368         if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 369         {
 370             m_encoding = (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 371         }
 372     }
 373     else if ( registry == _T("KOI8") )
 374     {
 375         m_encoding = wxFONTENCODING_KOI8;
 376     }
 377     else // unknown encoding
 378     {
 379         // may be give a warning here? or use wxFontMapper?
 380         m_encoding = wxFONTENCODING_SYSTEM;
 381     }
 382 #endif // Pango/X11
 383 }
 384
 385 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 386              : wxObjectRefData()
 387 {
 388     m_pointSize = data.m_pointSize;
 389     m_family = data.m_family;
 390     m_style = data.m_style;
 391     m_weight = data.m_weight;
 392
 393     m_underlined = data.m_underlined;
 394
 395     m_faceName = data.m_faceName;
 396     m_encoding = data.m_encoding;
 397
 398     m_noAA = data.m_noAA;
 399
 400     m_nativeFontInfo = data.m_nativeFontInfo;
 401 }
 402
 403 wxFontRefData::wxFontRefData(int size, int family, int style,
 404                              int weight, bool underlined,
 405                              const wxString& faceName,
 406                              wxFontEncoding encoding)
 407 {
 408     Init(size, family, style, weight, underlined, faceName, encoding);
 409 }
 410
 411 wxFontRefData::wxFontRefData(const wxString& fontname)
 412 {
 413     // VZ: FromString() should really work in both cases, doesn't it?
 414 #if wxUSE_UNICODE
 415     m_nativeFontInfo.FromString( fontname );
 416 #else
 417     m_nativeFontInfo.SetXFontName(fontname);
 418 #endif
 419
 420     InitFromNative();
 421 }
 422
 423 void wxFontRefData::ClearX11Fonts()
 424 {
 425 #if wxUSE_UNICODE
 426 #else
 427     wxList::compatibility_iterator node = m_fonts.GetFirst();
 428     while (node)
 429     {
 430         wxXFont* f = (wxXFont*) node->GetData();
 431         delete f;
 432         node = node->GetNext();
 433     }
 434     m_fonts.Clear();
 435 #endif
 436 }
 437
 438 wxFontRefData::~wxFontRefData()
 439 {
 440     ClearX11Fonts();
 441 }
 442
 443 // ----------------------------------------------------------------------------
 444 // wxFontRefData SetXXX()
 445 // ----------------------------------------------------------------------------
 446
 447 void wxFontRefData::SetPointSize(int pointSize)
 448 {
 449     m_pointSize = pointSize;
 450
 451 #if wxUSE_UNICODE
 452     // Get native info
 453     PangoFontDescription *desc = m_nativeFontInfo.description;
 454
 455     pango_font_description_set_size( desc, m_pointSize * PANGO_SCALE );
 456 #endif
 457 }
 458
 459 void wxFontRefData::SetFamily(int family)
 460 {
 461     m_family = family;
 462
 463     // TODO: what are we supposed to do with m_nativeFontInfo here?
 464 }
 465
 466 void wxFontRefData::SetStyle(int style)
 467 {
 468     m_style = style;
 469
 470 #if wxUSE_UNICODE
 471     // Get native info
 472     PangoFontDescription *desc = m_nativeFontInfo.description;
 473
 474     switch ( style )
 475     {
 476         case wxFONTSTYLE_ITALIC:
 477             pango_font_description_set_style( desc, PANGO_STYLE_ITALIC );
 478             break;
 479         case wxFONTSTYLE_SLANT:
 480             pango_font_description_set_style( desc, PANGO_STYLE_OBLIQUE );
 481             break;
 482         default:
 483             wxFAIL_MSG( _T("unknown font style") );
 484             // fall through
 485         case wxFONTSTYLE_NORMAL:
 486             pango_font_description_set_style( desc, PANGO_STYLE_NORMAL );
 487             break;
 488     }
 489 #endif
 490 }
 491
 492 void wxFontRefData::SetWeight(int weight)
 493 {
 494     m_weight = weight;
 495 }
 496
 497 void wxFontRefData::SetUnderlined(bool underlined)
 498 {
 499     m_underlined = underlined;
 500
 501     // the XLFD doesn't have "underlined" field anyhow
 502 }
 503
 504 void wxFontRefData::SetFaceName(const wxString& facename)
 505 {
 506     m_faceName = facename;
 507 }
 508
 509 void wxFontRefData::SetEncoding(wxFontEncoding encoding)
 510 {
 511     m_encoding = encoding;
 512 }
 513
 514 void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
 515 {
 516     // previously cached fonts shouldn't be used
 517     ClearX11Fonts();
 518
 519     m_nativeFontInfo = info;
 520
 521     // set all the other font parameters from the native font info
 522     InitFromNative();
 523 }
 524
 525 // ----------------------------------------------------------------------------
 526 // wxFont
 527 // ----------------------------------------------------------------------------
 528
 529 void wxFont::Init()
 530 {
 531 }
 532
 533 wxFont::wxFont(const wxNativeFontInfo& info)
 534 {
 535     Init();
 536
 537 #if wxUSE_UNICODE
 538     Create( info.GetPointSize(),
 539             info.GetFamily(),
 540             info.GetStyle(),
 541             info.GetWeight(),
 542             info.GetUnderlined(),
 543             info.GetFaceName(),
 544             info.GetEncoding() );
 545 #else
 546     (void) Create(info.GetXFontName());
 547 #endif
 548 }
 549
 550 bool wxFont::Create(int pointSize,
 551                     int family,
 552                     int style,
 553                     int weight,
 554                     bool underlined,
 555                     const wxString& faceName,
 556                     wxFontEncoding encoding)
 557 {
 558     UnRef();
 559
 560     m_refData = new wxFontRefData(pointSize, family, style, weight,
 561                                   underlined, faceName, encoding);
 562
 563     return TRUE;
 564 }
 565
 566 #if !wxUSE_UNICODE
 567
 568 bool wxFont::Create(const wxString& fontname, wxFontEncoding enc)
 569 {
 570     if( !fontname )
 571     {
 572         *this = wxSystemSettings::GetFont( wxSYS_DEFAULT_GUI_FONT);
 573         return TRUE;
 574     }
 575
 576     m_refData = new wxFontRefData();
 577
 578     M_FONTDATA->m_nativeFontInfo.SetXFontName(fontname);  // X font name
 579
 580     wxString tmp;
 581
 582     wxStringTokenizer tn( fontname, wxT("-") );
 583
 584     tn.GetNextToken();                           // skip initial empty token
 585     tn.GetNextToken();                           // foundry
 586
 587
 588     M_FONTDATA->m_faceName = tn.GetNextToken();  // family
 589
 590     tmp = tn.GetNextToken().MakeUpper();         // weight
 591     if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
 592     if (tmp == wxT("BLACK")) M_FONTDATA->m_weight = wxBOLD;
 593     if (tmp == wxT("EXTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 594     if (tmp == wxT("DEMIBOLD")) M_FONTDATA->m_weight = wxBOLD;
 595     if (tmp == wxT("ULTRABOLD")) M_FONTDATA->m_weight = wxBOLD;
 596
 597     if (tmp == wxT("LIGHT")) M_FONTDATA->m_weight = wxLIGHT;
 598     if (tmp == wxT("THIN")) M_FONTDATA->m_weight = wxLIGHT;
 599
 600     tmp = tn.GetNextToken().MakeUpper();        // slant
 601     if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
 602     if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
 603
 604     tn.GetNextToken();                           // set width
 605     tn.GetNextToken();                           // add. style
 606     tn.GetNextToken();                           // pixel size
 607
 608     tmp = tn.GetNextToken();                     // pointsize
 609     if (tmp != wxT("*"))
 610     {
 611         long num = wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
 612         M_FONTDATA->m_pointSize = (int)(num / 10);
 613     }
 614
 615     tn.GetNextToken();                           // x-res
 616     tn.GetNextToken();                           // y-res
 617
 618     tmp = tn.GetNextToken().MakeUpper();         // spacing
 619
 620     if (tmp == wxT("M"))
 621         M_FONTDATA->m_family = wxMODERN;
 622     else if (M_FONTDATA->m_faceName == wxT("TIMES"))
 623         M_FONTDATA->m_family = wxROMAN;
 624     else if (M_FONTDATA->m_faceName == wxT("HELVETICA"))
 625         M_FONTDATA->m_family = wxSWISS;
 626     else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER"))
 627         M_FONTDATA->m_family = wxTELETYPE;
 628     else if (M_FONTDATA->m_faceName == wxT("LUCIDA"))
 629         M_FONTDATA->m_family = wxDECORATIVE;
 630     else if (M_FONTDATA->m_faceName == wxT("UTOPIA"))
 631         M_FONTDATA->m_family = wxSCRIPT;
 632
 633     tn.GetNextToken();                           // avg width
 634
 635     // deal with font encoding
 636     M_FONTDATA->m_encoding = enc;
 637     if ( M_FONTDATA->m_encoding == wxFONTENCODING_SYSTEM )
 638     {
 639         wxString registry = tn.GetNextToken().MakeUpper(),
 640                  encoding = tn.GetNextToken().MakeUpper();
 641
 642         if ( registry == _T("ISO8859") )
 643         {
 644             int cp;
 645             if ( wxSscanf(encoding, wxT("%d"), &cp) == 1 )
 646             {
 647                 M_FONTDATA->m_encoding =
 648                     (wxFontEncoding)(wxFONTENCODING_ISO8859_1 + cp - 1);
 649             }
 650         }
 651         else if ( registry == _T("MICROSOFT") )
 652         {
 653             int cp;
 654             if ( wxSscanf(encoding, wxT("cp125%d"), &cp) == 1 )
 655             {
 656                 M_FONTDATA->m_encoding =
 657                     (wxFontEncoding)(wxFONTENCODING_CP1250 + cp);
 658             }
 659         }
 660         else if ( registry == _T("KOI8") )
 661         {
 662             M_FONTDATA->m_encoding = wxFONTENCODING_KOI8;
 663         }
 664         //else: unknown encoding - may be give a warning here?
 665         else
 666             return FALSE;
 667     }
 668     return TRUE;
 669 }
 670 #endif // !wxUSE_UNICODE
 671
 672 wxFont::~wxFont()
 673 {
 674 }
 675
 676 // ----------------------------------------------------------------------------
 677 // change the font attributes
 678 // ----------------------------------------------------------------------------
 679
 680 void wxFont::Unshare()
 681 {
 682     // Don't change shared data
 683     if (!m_refData)
 684     {
 685         m_refData = new wxFontRefData();
 686     }
 687     else
 688     {
 689         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 690         UnRef();
 691         m_refData = ref;
 692     }
 693 }
 694
 695 // ----------------------------------------------------------------------------
 696 // accessors
 697 // ----------------------------------------------------------------------------
 698
 699 int wxFont::GetPointSize() const
 700 {
 701     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 702
 703     return M_FONTDATA->m_pointSize;
 704 }
 705
 706 wxString wxFont::GetFaceName() const
 707 {
 708     wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
 709
 710     return M_FONTDATA->m_faceName;
 711 }
 712
 713 int wxFont::GetFamily() const
 714 {
 715     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 716
 717     return M_FONTDATA->m_family;
 718 }
 719
 720 int wxFont::GetStyle() const
 721 {
 722     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 723
 724     return M_FONTDATA->m_style;
 725 }
 726
 727 int wxFont::GetWeight() const
 728 {
 729     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 730
 731     return M_FONTDATA->m_weight;
 732 }
 733
 734 bool wxFont::GetUnderlined() const
 735 {
 736     wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
 737
 738     return M_FONTDATA->m_underlined;
 739 }
 740
 741 wxFontEncoding wxFont::GetEncoding() const
 742 {
 743     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 744
 745     return M_FONTDATA->m_encoding;
 746 }
 747
 748 bool wxFont::GetNoAntiAliasing()
 749 {
 750     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
 751
 752     return M_FONTDATA->m_noAA;
 753 }
 754
 755 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
 756 {
 757     wxCHECK_MSG( Ok(), (wxNativeFontInfo *)NULL, wxT("invalid font") );
 758
 759 #if wxUSE_UNICODE
 760 #else
 761     if ( M_FONTDATA->m_nativeFontInfo.GetXFontName().empty() )
 762         GetInternalFont();
 763 #endif
 764
 765     return &(M_FONTDATA->m_nativeFontInfo);
 766 }
 767
 768 bool wxFont::IsFixedWidth() const
 769 {
 770     wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
 771
 772 #if wxUSE_UNICODE
 773 #else
 774     // Robert, is this right? HasNativeFont doesn't exist.
 775     if ( TRUE )
 776     //    if ( M_FONTDATA->HasNativeFont() )
 777     {
 778         // the monospace fonts are supposed to have "M" in the spacing field
 779         wxString spacing = M_FONTDATA->
 780                             m_nativeFontInfo.GetXFontComponent(wxXLFD_SPACING);
 781
 782         return spacing.Upper() == _T('M');
 783     }
 784 #endif
 785
 786     return wxFontBase::IsFixedWidth();
 787 }
 788
 789 // ----------------------------------------------------------------------------
 790 // change font attributes
 791 // ----------------------------------------------------------------------------
 792
 793 void wxFont::SetPointSize(int pointSize)
 794 {
 795     Unshare();
 796
 797     M_FONTDATA->SetPointSize(pointSize);
 798 }
 799
 800 void wxFont::SetFamily(int family)
 801 {
 802     Unshare();
 803
 804     M_FONTDATA->SetFamily(family);
 805 }
 806
 807 void wxFont::SetStyle(int style)
 808 {
 809     Unshare();
 810
 811     M_FONTDATA->SetStyle(style);
 812 }
 813
 814 void wxFont::SetWeight(int weight)
 815 {
 816     Unshare();
 817
 818     M_FONTDATA->SetWeight(weight);
 819 }
 820
 821 void wxFont::SetFaceName(const wxString& faceName)
 822 {
 823     Unshare();
 824
 825     M_FONTDATA->SetFaceName(faceName);
 826 }
 827
 828 void wxFont::SetUnderlined(bool underlined)
 829 {
 830     Unshare();
 831
 832     M_FONTDATA->SetUnderlined(underlined);
 833 }
 834
 835 void wxFont::SetEncoding(wxFontEncoding encoding)
 836 {
 837     Unshare();
 838
 839     M_FONTDATA->SetEncoding(encoding);
 840 }
 841
 842 void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 843 {
 844     Unshare();
 845
 846     M_FONTDATA->SetNativeFontInfo( info );
 847 }
 848
 849 void wxFont::SetNoAntiAliasing( bool no )
 850 {
 851     Unshare();
 852
 853     M_FONTDATA->SetNoAntiAliasing( no );
 854 }
 855
 856 #if wxUSE_UNICODE
 857 #else
 858
 859 // ----------------------------------------------------------------------------
 860 // X11 implementation
 861 // ----------------------------------------------------------------------------
 862
 863 // Find an existing, or create a new, XFontStruct
 864 // based on this wxFont and the given scale. Append the
 865 // font to list in the private data for future reference.
 866 wxXFont* wxFont::GetInternalFont(double scale, WXDisplay* display) const
 867 {
 868     if ( !Ok() )
 869         return (wxXFont *)NULL;
 870
 871     long intScale = long(scale * 100.0 + 0.5); // key for wxXFont
 872     int pointSize = (M_FONTDATA->m_pointSize * 10 * intScale) / 100;
 873
 874     // search existing fonts first
 875     wxList::compatibility_iterator node = M_FONTDATA->m_fonts.GetFirst();
 876     while (node)
 877     {
 878         wxXFont* f = (wxXFont*) node->GetData();
 879         if ((!display || (f->m_display == display)) && (f->m_scale == intScale))
 880             return f;
 881         node = node->GetNext();
 882     }
 883
 884     // not found, create a new one
 885     XFontStruct *font = (XFontStruct *)
 886                         wxLoadQueryNearestFont(pointSize,
 887                                                M_FONTDATA->m_family,
 888                                                M_FONTDATA->m_style,
 889                                                M_FONTDATA->m_weight,
 890                                                M_FONTDATA->m_underlined,
 891                                                wxT(""),
 892                                                M_FONTDATA->m_encoding);
 893
 894     if ( !font )
 895     {
 896         wxFAIL_MSG( wxT("Could not allocate even a default font -- something is wrong.") );
 897
 898         return (wxXFont*) NULL;
 899     }
 900
 901     wxXFont* f = new wxXFont;
 902     f->m_fontStruct = (WXFontStructPtr)font;
 903     f->m_display = ( display ? display : wxGetDisplay() );
 904     f->m_scale = intScale;
 905     M_FONTDATA->m_fonts.Append(f);
 906
 907     return f;
 908 }
 909
 910 WXFontStructPtr wxFont::GetFontStruct(double scale, WXDisplay* display) const
 911 {
 912     wxXFont* f = GetInternalFont(scale, display);
 913
 914     return (f ? f->m_fontStruct : (WXFontStructPtr) 0);
 915 }
 916
 917 #endif