src/msw/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ============================================================================
  13 // declarations
  14 // ============================================================================
  15
  16 // ----------------------------------------------------------------------------
  17 // headers
  18 // ----------------------------------------------------------------------------
  19
  20 // For compilers that support precompilation, includes "wx.h".
  21 #include "wx/wxprec.h"
  22
  23 #ifdef __BORLANDC__
  24     #pragma hdrstop
  25 #endif
  26
  27 #include "wx/font.h"
  28
  29 #ifndef WX_PRECOMP
  30     #include "wx/list.h"
  31     #include "wx/utils.h"
  32     #include "wx/app.h"
  33     #include "wx/log.h"
  34     #include "wx/encinfo.h"
  35 #endif // WX_PRECOMP
  36
  37 #include "wx/msw/private.h"
  38
  39 #include "wx/fontutil.h"
  40 #include "wx/fontmap.h"
  41
  42 #ifndef __WXWINCE__
  43     #include "wx/sysopt.h"
  44 #endif
  45
  46 #include "wx/tokenzr.h"
  47
  48 #if wxUSE_EXTENDED_RTTI
  49
  50 wxBEGIN_ENUM( wxFontFamily )
  51     wxENUM_MEMBER( wxDEFAULT )
  52     wxENUM_MEMBER( wxDECORATIVE )
  53     wxENUM_MEMBER( wxROMAN )
  54     wxENUM_MEMBER( wxSCRIPT )
  55     wxENUM_MEMBER( wxSWISS )
  56     wxENUM_MEMBER( wxMODERN )
  57     wxENUM_MEMBER( wxTELETYPE )
  58 wxEND_ENUM( wxFontFamily )
  59
  60 wxBEGIN_ENUM( wxFontStyle )
  61     wxENUM_MEMBER( wxNORMAL )
  62     wxENUM_MEMBER( wxITALIC )
  63     wxENUM_MEMBER( wxSLANT )
  64 wxEND_ENUM( wxFontStyle )
  65
  66 wxBEGIN_ENUM( wxFontWeight )
  67     wxENUM_MEMBER( wxNORMAL )
  68     wxENUM_MEMBER( wxLIGHT )
  69     wxENUM_MEMBER( wxBOLD )
  70 wxEND_ENUM( wxFontWeight )
  71
  72 IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
  73
  74 wxBEGIN_PROPERTIES_TABLE(wxFont)
  75     wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  76     wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
  77     wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
  78     wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
  79     wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  80     wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  81     wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
  82 wxEND_PROPERTIES_TABLE()
  83
  84 wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )
  85
  86 wxBEGIN_HANDLERS_TABLE(wxFont)
  87 wxEND_HANDLERS_TABLE()
  88
  89 #else
  90     IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  91 #endif
  92
  93
  94 // ----------------------------------------------------------------------------
  95 // constants
  96 // ----------------------------------------------------------------------------
  97
  98 // the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
  99 static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
 100
 101 // ----------------------------------------------------------------------------
 102 // wxFontRefData - the internal description of the font
 103 // ----------------------------------------------------------------------------
 104
 105 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
 106 {
 107 public:
 108     // constructors
 109     wxFontRefData()
 110     {
 111         Init(-1, wxSize(0,0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
 112              wxFONTWEIGHT_NORMAL, false, wxEmptyString,
 113              wxFONTENCODING_DEFAULT);
 114     }
 115
 116     wxFontRefData(int size,
 117                   const wxSize& pixelSize,
 118                   bool sizeUsingPixels,
 119                   wxFontFamily family,
 120                   wxFontStyle style,
 121                   wxFontWeight weight,
 122                   bool underlined,
 123                   const wxString& faceName,
 124                   wxFontEncoding encoding)
 125     {
 126         Init(size, pixelSize, sizeUsingPixels, family, style, weight,
 127              underlined, faceName, encoding);
 128     }
 129
 130     wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
 131     {
 132         Init(info, hFont);
 133     }
 134
 135     wxFontRefData(const wxFontRefData& data) : wxGDIRefData()
 136     {
 137         Init(data.m_nativeFontInfo);
 138     }
 139
 140     virtual ~wxFontRefData();
 141
 142     // operations
 143     bool Alloc();
 144
 145     void Free();
 146
 147     // all wxFont accessors
 148     int GetPointSize() const
 149     {
 150         return m_nativeFontInfo.GetPointSize();
 151     }
 152
 153     wxSize GetPixelSize() const
 154     {
 155         return m_nativeFontInfo.GetPixelSize();
 156     }
 157
 158     bool IsUsingSizeInPixels() const
 159     {
 160         return m_sizeUsingPixels;
 161     }
 162
 163     wxFontFamily GetFamily() const
 164     {
 165         return m_nativeFontInfo.GetFamily();
 166     }
 167
 168     wxFontStyle GetStyle() const
 169     {
 170         return m_nativeFontInfo.GetStyle();
 171     }
 172
 173     wxFontWeight GetWeight() const
 174     {
 175         return m_nativeFontInfo.GetWeight();
 176     }
 177
 178     bool GetUnderlined() const
 179     {
 180         return m_nativeFontInfo.GetUnderlined();
 181     }
 182
 183     wxString GetFaceName() const
 184     {
 185         return m_nativeFontInfo.GetFaceName();
 186     }
 187
 188     wxFontEncoding GetEncoding() const
 189     {
 190         return m_nativeFontInfo.GetEncoding();
 191     }
 192
 193     WXHFONT GetHFONT() const
 194     {
 195         if ( !m_hFont )
 196             const_cast<wxFontRefData *>(this)->Alloc();
 197
 198         return (WXHFONT)m_hFont;
 199     }
 200
 201     bool HasHFONT() const
 202     {
 203         return m_hFont != 0;
 204     }
 205
 206     // ... and setters: notice that all of them invalidate the currently
 207     // allocated HFONT, if any, so that the next call to GetHFONT() recreates a
 208     // new one
 209     void SetPointSize(int pointSize)
 210     {
 211         Free();
 212
 213         m_nativeFontInfo.SetPointSize(pointSize);
 214         m_sizeUsingPixels = false;
 215     }
 216
 217     void SetPixelSize(const wxSize& pixelSize)
 218     {
 219         Free();
 220
 221         m_nativeFontInfo.SetPixelSize(pixelSize);
 222         m_sizeUsingPixels = true;
 223     }
 224
 225     void SetFamily(wxFontFamily family)
 226     {
 227         Free();
 228
 229         m_nativeFontInfo.SetFamily(family);
 230     }
 231
 232     void SetStyle(wxFontStyle style)
 233     {
 234         Free();
 235
 236         m_nativeFontInfo.SetStyle(style);
 237     }
 238
 239     void SetWeight(wxFontWeight weight)
 240     {
 241         Free();
 242
 243         m_nativeFontInfo.SetWeight(weight);
 244     }
 245
 246     bool SetFaceName(const wxString& faceName)
 247     {
 248         Free();
 249
 250         return m_nativeFontInfo.SetFaceName(faceName);
 251     }
 252
 253     void SetUnderlined(bool underlined)
 254     {
 255         Free();
 256
 257         m_nativeFontInfo.SetUnderlined(underlined);
 258     }
 259
 260     void SetEncoding(wxFontEncoding encoding)
 261     {
 262         Free();
 263
 264         m_nativeFontInfo.SetEncoding(encoding);
 265     }
 266
 267     // native font info
 268     bool HasNativeFontInfo() const { return true; }
 269
 270     const wxNativeFontInfo& GetNativeFontInfo() const
 271         { return m_nativeFontInfo; }
 272
 273     void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
 274     {
 275         Free();
 276
 277         m_nativeFontInfo = nativeFontInfo;
 278     }
 279
 280 protected:
 281     // common part of all ctors
 282     void Init(int size,
 283               const wxSize& pixelSize,
 284               bool sizeUsingPixels,
 285               wxFontFamily family,
 286               wxFontStyle style,
 287               wxFontWeight weight,
 288               bool underlined,
 289               const wxString& faceName,
 290               wxFontEncoding encoding);
 291
 292     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 293
 294     // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
 295     bool             m_sizeUsingPixels;
 296
 297     // Windows font handle, created on demand in GetHFONT()
 298     HFONT            m_hFont;
 299
 300     // Native font info
 301     wxNativeFontInfo m_nativeFontInfo;
 302 };
 303
 304 #define M_FONTDATA ((wxFontRefData*)m_refData)
 305
 306 // ============================================================================
 307 // implementation
 308 // ============================================================================
 309
 310 // ----------------------------------------------------------------------------
 311 // wxFontRefData
 312 // ----------------------------------------------------------------------------
 313
 314 void wxFontRefData::Init(int pointSize,
 315                          const wxSize& pixelSize,
 316                          bool sizeUsingPixels,
 317                          wxFontFamily family,
 318                          wxFontStyle style,
 319                          wxFontWeight weight,
 320                          bool underlined,
 321                          const wxString& faceName,
 322                          wxFontEncoding encoding)
 323 {
 324     m_hFont = NULL;
 325
 326     m_sizeUsingPixels = sizeUsingPixels;
 327     if ( m_sizeUsingPixels )
 328         SetPixelSize(pixelSize);
 329     else
 330         SetPointSize(pointSize);
 331
 332     SetStyle(style);
 333     SetWeight(weight);
 334     SetUnderlined(underlined);
 335
 336     // set the family/facename
 337     SetFamily(family);
 338     if ( !faceName.empty() )
 339         SetFaceName(faceName);
 340
 341     // deal with encoding now (it may override the font family and facename
 342     // so do it after setting them)
 343     SetEncoding(encoding);
 344 }
 345
 346 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 347 {
 348     // hFont may be zero, or it be passed in case we really want to
 349     // use the exact font created in the underlying system
 350     // (for example where we can't guarantee conversion from HFONT
 351     // to LOGFONT back to HFONT)
 352     m_hFont = (HFONT)hFont;
 353     m_nativeFontInfo = info;
 354
 355     // TODO: m_sizeUsingPixels?
 356 }
 357
 358 wxFontRefData::~wxFontRefData()
 359 {
 360     Free();
 361 }
 362
 363 bool wxFontRefData::Alloc()
 364 {
 365     m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
 366     if ( !m_hFont )
 367     {
 368         wxLogLastError(wxT("CreateFont"));
 369         return false;
 370     }
 371
 372     return true;
 373 }
 374
 375 void wxFontRefData::Free()
 376 {
 377     if ( m_hFont )
 378     {
 379         if ( !::DeleteObject(m_hFont) )
 380         {
 381             wxLogLastError(wxT("DeleteObject(font)"));
 382         }
 383
 384         m_hFont = 0;
 385     }
 386 }
 387
 388 // ----------------------------------------------------------------------------
 389 // wxNativeFontInfo
 390 // ----------------------------------------------------------------------------
 391
 392 void wxNativeFontInfo::Init()
 393 {
 394     wxZeroMemory(lf);
 395
 396     // we get better font quality if we use PROOF_QUALITY instead of
 397     // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available
 398     // then so we allow to set a global option to choose between quality and
 399     // wider font selection
 400 #ifdef __WXWINCE__
 401     lf.lfQuality = CLEARTYPE_QUALITY;
 402 #else
 403     lf.lfQuality = wxSystemOptions::GetOptionInt("msw.font.no-proof-quality")
 404                     ? DEFAULT_QUALITY
 405                     : PROOF_QUALITY;
 406 #endif
 407 }
 408
 409 int wxNativeFontInfo::GetPointSize() const
 410 {
 411     // FIXME: using the screen here results in incorrect font size calculation
 412     //        for printing!
 413     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 414
 415     // BC++ 2007 doesn't provide abs(long) overload, hence the cast
 416     return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);
 417 }
 418
 419 wxSize wxNativeFontInfo::GetPixelSize() const
 420 {
 421     wxSize ret;
 422     ret.SetHeight(abs((int)lf.lfHeight));
 423     ret.SetWidth(lf.lfWidth);
 424     return ret;
 425 }
 426
 427 wxFontStyle wxNativeFontInfo::GetStyle() const
 428 {
 429     return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 430 }
 431
 432 wxFontWeight wxNativeFontInfo::GetWeight() const
 433 {
 434     if ( lf.lfWeight <= 300 )
 435         return wxFONTWEIGHT_LIGHT;
 436
 437     if ( lf.lfWeight >= 600 )
 438         return wxFONTWEIGHT_BOLD;
 439
 440     return wxFONTWEIGHT_NORMAL;
 441 }
 442
 443 bool wxNativeFontInfo::GetUnderlined() const
 444 {
 445     return lf.lfUnderline != 0;
 446 }
 447
 448 wxString wxNativeFontInfo::GetFaceName() const
 449 {
 450     return lf.lfFaceName;
 451 }
 452
 453 wxFontFamily wxNativeFontInfo::GetFamily() const
 454 {
 455     wxFontFamily family;
 456
 457     // extract family from pitch-and-family
 458     switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
 459     {
 460         case 0:
 461             family = wxFONTFAMILY_UNKNOWN;
 462             break;
 463
 464         case FF_ROMAN:
 465             family = wxFONTFAMILY_ROMAN;
 466             break;
 467
 468         case FF_SWISS:
 469             family = wxFONTFAMILY_SWISS;
 470             break;
 471
 472         case FF_SCRIPT:
 473             family = wxFONTFAMILY_SCRIPT;
 474             break;
 475
 476         case FF_MODERN:
 477             family = wxFONTFAMILY_MODERN;
 478             break;
 479
 480         case FF_DECORATIVE:
 481             family = wxFONTFAMILY_DECORATIVE;
 482             break;
 483
 484         default:
 485             wxFAIL_MSG( "unknown LOGFONT::lfFamily value" );
 486             family = wxFONTFAMILY_UNKNOWN;
 487                 // just to avoid a warning
 488     }
 489
 490     return family;
 491 }
 492
 493 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 494 {
 495     return wxGetFontEncFromCharSet(lf.lfCharSet);
 496 }
 497
 498 void wxNativeFontInfo::SetPointSize(int pointsize)
 499 {
 500     // FIXME: using the screen here results in incorrect font size calculation
 501     //        for printing!
 502     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 503
 504     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
 505 }
 506
 507 void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
 508 {
 509     // NOTE: although the MSW port allows for negative pixel size heights,
 510     //       other ports don't and since it's a very useful feature assert
 511     //       here if we get a negative height:
 512     wxCHECK_RET( pixelSize.GetWidth() >= 0 && pixelSize.GetHeight() > 0,
 513                  "Negative values for the pixel size or zero pixel height are not allowed" );
 514
 515     lf.lfHeight = pixelSize.GetHeight();
 516     lf.lfWidth = pixelSize.GetWidth();
 517 }
 518
 519 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 520 {
 521     switch ( style )
 522     {
 523         default:
 524             wxFAIL_MSG( "unknown font style" );
 525             // fall through
 526
 527         case wxFONTSTYLE_NORMAL:
 528             lf.lfItalic = FALSE;
 529             break;
 530
 531         case wxFONTSTYLE_ITALIC:
 532         case wxFONTSTYLE_SLANT:
 533             lf.lfItalic = TRUE;
 534             break;
 535     }
 536 }
 537
 538 void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 539 {
 540     switch ( weight )
 541     {
 542         default:
 543             wxFAIL_MSG( "unknown font weight" );
 544             // fall through
 545
 546         case wxFONTWEIGHT_NORMAL:
 547             lf.lfWeight = FW_NORMAL;
 548             break;
 549
 550         case wxFONTWEIGHT_LIGHT:
 551             lf.lfWeight = FW_LIGHT;
 552             break;
 553
 554         case wxFONTWEIGHT_BOLD:
 555             lf.lfWeight = FW_BOLD;
 556             break;
 557     }
 558 }
 559
 560 void wxNativeFontInfo::SetUnderlined(bool underlined)
 561 {
 562     lf.lfUnderline = underlined;
 563 }
 564
 565 bool wxNativeFontInfo::SetFaceName(const wxString& facename)
 566 {
 567     wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName));
 568     return true;
 569 }
 570
 571 void wxNativeFontInfo::SetFamily(wxFontFamily family)
 572 {
 573     BYTE ff_family;
 574     wxArrayString facename;
 575
 576     // the list of fonts associated with a family was partially
 577     // taken from http://www.codestyle.org/css/font-family
 578
 579     switch ( family )
 580     {
 581         case wxFONTFAMILY_SCRIPT:
 582             ff_family = FF_SCRIPT;
 583             facename.Add(wxS("Script"));
 584             facename.Add(wxS("Brush Script MT"));
 585             facename.Add(wxS("Comic Sans MS"));
 586             facename.Add(wxS("Lucida Handwriting"));
 587             break;
 588
 589         case wxFONTFAMILY_DECORATIVE:
 590             ff_family = FF_DECORATIVE;
 591             facename.Add(wxS("Old English Text MT"));
 592             facename.Add(wxS("Comic Sans MS"));
 593             facename.Add(wxS("Lucida Handwriting"));
 594             break;
 595
 596         case wxFONTFAMILY_ROMAN:
 597             ff_family = FF_ROMAN;
 598             facename.Add(wxS("Times New Roman"));
 599             facename.Add(wxS("Georgia"));
 600             facename.Add(wxS("Garamond"));
 601             facename.Add(wxS("Bookman Old Style"));
 602             facename.Add(wxS("Book Antiqua"));
 603             break;
 604
 605         case wxFONTFAMILY_TELETYPE:
 606         case wxFONTFAMILY_MODERN:
 607             ff_family = FF_MODERN;
 608             facename.Add(wxS("Courier New"));
 609             facename.Add(wxS("Lucida Console"));
 610             facename.Add(wxS("Andale Mono"));
 611             facename.Add(wxS("OCR A Extended"));
 612             facename.Add(wxS("Terminal"));
 613             break;
 614
 615         case wxFONTFAMILY_SWISS:
 616             ff_family = FF_SWISS;
 617             facename.Add(wxS("Arial"));
 618             facename.Add(wxS("Century Gothic"));
 619             facename.Add(wxS("Lucida Sans Unicode"));
 620             facename.Add(wxS("Tahoma"));
 621             facename.Add(wxS("Trebuchet MS"));
 622             facename.Add(wxS("Verdana"));
 623             break;
 624
 625         case wxFONTFAMILY_DEFAULT:
 626         default:
 627         {
 628             // We want Windows 2000 or later to have new fonts even MS Shell Dlg
 629             // is returned as default GUI font for compatibility
 630             int verMaj;
 631             ff_family = FF_SWISS;
 632             if(wxGetOsVersion(&verMaj) == wxOS_WINDOWS_NT && verMaj >= 5)
 633                 facename.Add(wxS("MS Shell Dlg 2"));
 634             else
 635                 facename.Add(wxS("MS Shell Dlg"));
 636
 637             // Quoting the MSDN:
 638             //     "MS Shell Dlg is a mapping mechanism that enables
 639             //     U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to
 640             //     support locales that have characters that are not contained in code
 641             //     page 1252. It is not a font but a face name for a nonexistent font."
 642         }
 643     }
 644
 645     lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
 646
 647     if ( !wxStrlen(lf.lfFaceName) )
 648     {
 649         SetFaceName(facename);
 650     }
 651 }
 652
 653 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 654 {
 655     wxNativeEncodingInfo info;
 656     if ( !wxGetNativeFontEncoding(encoding, &info) )
 657     {
 658 #if wxUSE_FONTMAP
 659         if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
 660         {
 661             if ( !info.facename.empty() )
 662             {
 663                 // if we have this encoding only in some particular facename, use
 664                 // the facename - it is better to show the correct characters in a
 665                 // wrong facename than unreadable text in a correct one
 666                 SetFaceName(info.facename);
 667             }
 668         }
 669         else
 670 #endif // wxUSE_FONTMAP
 671         {
 672             // unsupported encoding, replace with the default
 673             info.charset = DEFAULT_CHARSET;
 674         }
 675     }
 676
 677     lf.lfCharSet = (BYTE)info.charset;
 678 }
 679
 680 bool wxNativeFontInfo::FromString(const wxString& s)
 681 {
 682     long l;
 683
 684     wxStringTokenizer tokenizer(s, wxS(";"));
 685
 686     // first the version
 687     wxString token = tokenizer.GetNextToken();
 688     if ( token != wxS('0') )
 689         return false;
 690
 691     token = tokenizer.GetNextToken();
 692     if ( !token.ToLong(&l) )
 693         return false;
 694     lf.lfHeight = l;
 695
 696     token = tokenizer.GetNextToken();
 697     if ( !token.ToLong(&l) )
 698         return false;
 699     lf.lfWidth = l;
 700
 701     token = tokenizer.GetNextToken();
 702     if ( !token.ToLong(&l) )
 703         return false;
 704     lf.lfEscapement = l;
 705
 706     token = tokenizer.GetNextToken();
 707     if ( !token.ToLong(&l) )
 708         return false;
 709     lf.lfOrientation = l;
 710
 711     token = tokenizer.GetNextToken();
 712     if ( !token.ToLong(&l) )
 713         return false;
 714     lf.lfWeight = l;
 715
 716     token = tokenizer.GetNextToken();
 717     if ( !token.ToLong(&l) )
 718         return false;
 719     lf.lfItalic = (BYTE)l;
 720
 721     token = tokenizer.GetNextToken();
 722     if ( !token.ToLong(&l) )
 723         return false;
 724     lf.lfUnderline = (BYTE)l;
 725
 726     token = tokenizer.GetNextToken();
 727     if ( !token.ToLong(&l) )
 728         return false;
 729     lf.lfStrikeOut = (BYTE)l;
 730
 731     token = tokenizer.GetNextToken();
 732     if ( !token.ToLong(&l) )
 733         return false;
 734     lf.lfCharSet = (BYTE)l;
 735
 736     token = tokenizer.GetNextToken();
 737     if ( !token.ToLong(&l) )
 738         return false;
 739     lf.lfOutPrecision = (BYTE)l;
 740
 741     token = tokenizer.GetNextToken();
 742     if ( !token.ToLong(&l) )
 743         return false;
 744     lf.lfClipPrecision = (BYTE)l;
 745
 746     token = tokenizer.GetNextToken();
 747     if ( !token.ToLong(&l) )
 748         return false;
 749     lf.lfQuality = (BYTE)l;
 750
 751     token = tokenizer.GetNextToken();
 752     if ( !token.ToLong(&l) )
 753         return false;
 754     lf.lfPitchAndFamily = (BYTE)l;
 755
 756     token = tokenizer.GetNextToken();
 757     if(!token)
 758         return false;
 759     wxStrcpy(lf.lfFaceName, token.c_str());
 760
 761     return true;
 762 }
 763
 764 wxString wxNativeFontInfo::ToString() const
 765 {
 766     wxString s;
 767
 768     s.Printf(wxS("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
 769              0, // version, in case we want to change the format later
 770              lf.lfHeight,
 771              lf.lfWidth,
 772              lf.lfEscapement,
 773              lf.lfOrientation,
 774              lf.lfWeight,
 775              lf.lfItalic,
 776              lf.lfUnderline,
 777              lf.lfStrikeOut,
 778              lf.lfCharSet,
 779              lf.lfOutPrecision,
 780              lf.lfClipPrecision,
 781              lf.lfQuality,
 782              lf.lfPitchAndFamily,
 783              (const wxChar*)lf.lfFaceName);
 784
 785     return s;
 786 }
 787
 788 // ----------------------------------------------------------------------------
 789 // wxFont
 790 // ----------------------------------------------------------------------------
 791
 792 wxFont::wxFont(const wxString& fontdesc)
 793 {
 794     wxNativeFontInfo info;
 795     if ( info.FromString(fontdesc) )
 796         (void)Create(info);
 797 }
 798
 799 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 800 {
 801     UnRef();
 802
 803     m_refData = new wxFontRefData(info, hFont);
 804
 805     return RealizeResource();
 806 }
 807
 808 bool wxFont::DoCreate(int pointSize,
 809                       const wxSize& pixelSize,
 810                       bool sizeUsingPixels,
 811                       wxFontFamily family,
 812                       wxFontStyle style,
 813                       wxFontWeight weight,
 814                       bool underlined,
 815                       const wxString& faceName,
 816                       wxFontEncoding encoding)
 817 {
 818     UnRef();
 819
 820     // wxDEFAULT is a valid value for the font size too so we must treat it
 821     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 822     if ( pointSize == wxDEFAULT )
 823     {
 824         pointSize = wxNORMAL_FONT->GetPointSize();
 825     }
 826
 827     m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
 828                                   family, style, weight,
 829                                   underlined, faceName, encoding);
 830
 831     return RealizeResource();
 832 }
 833
 834 wxFont::~wxFont()
 835 {
 836 }
 837
 838 // ----------------------------------------------------------------------------
 839 // real implementation
 840 // ----------------------------------------------------------------------------
 841
 842 wxGDIRefData *wxFont::CreateGDIRefData() const
 843 {
 844     return new wxFontRefData();
 845 }
 846
 847 wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
 848 {
 849     return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
 850 }
 851
 852 bool wxFont::RealizeResource()
 853 {
 854     // NOTE: the GetHFONT() call automatically triggers a reallocation of
 855     //       the HFONT if necessary (will do nothing if we already have the resource);
 856     //       it returns NULL only if there is a failure in wxFontRefData::Alloc()...
 857     return GetHFONT() != NULL;
 858 }
 859
 860 bool wxFont::FreeResource(bool WXUNUSED(force))
 861 {
 862     if ( !M_FONTDATA )
 863         return false;
 864
 865     M_FONTDATA->Free();
 866
 867     return true;
 868 }
 869
 870 WXHANDLE wxFont::GetResourceHandle() const
 871 {
 872     return (WXHANDLE)GetHFONT();
 873 }
 874
 875 WXHFONT wxFont::GetHFONT() const
 876 {
 877     // NOTE: wxFontRefData::GetHFONT() will automatically call
 878     //       wxFontRefData::Alloc() if necessary
 879     return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
 880 }
 881
 882 bool wxFont::IsFree() const
 883 {
 884     return M_FONTDATA && !M_FONTDATA->HasHFONT();
 885 }
 886
 887 // ----------------------------------------------------------------------------
 888 // change font attribute: we recreate font when doing it
 889 // ----------------------------------------------------------------------------
 890
 891 void wxFont::SetPointSize(int pointSize)
 892 {
 893     AllocExclusive();
 894
 895     M_FONTDATA->Free();
 896     M_FONTDATA->SetPointSize(pointSize);
 897 }
 898
 899 void wxFont::SetPixelSize(const wxSize& pixelSize)
 900 {
 901     AllocExclusive();
 902
 903     M_FONTDATA->SetPixelSize(pixelSize);
 904 }
 905
 906 void wxFont::SetFamily(wxFontFamily family)
 907 {
 908     AllocExclusive();
 909
 910     M_FONTDATA->SetFamily(family);
 911 }
 912
 913 void wxFont::SetStyle(wxFontStyle style)
 914 {
 915     AllocExclusive();
 916
 917     M_FONTDATA->SetStyle(style);
 918 }
 919
 920 void wxFont::SetWeight(wxFontWeight weight)
 921 {
 922     AllocExclusive();
 923
 924     M_FONTDATA->SetWeight(weight);
 925 }
 926
 927 bool wxFont::SetFaceName(const wxString& faceName)
 928 {
 929     AllocExclusive();
 930
 931     if ( !M_FONTDATA->SetFaceName(faceName) )
 932         return false;
 933
 934     // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
 935     //     to retrieve a LOGFONT and then compare lf.lfFaceName
 936     //     with given facename is not reliable at all:
 937     //     Windows copies the facename given to ::CreateFontIndirect()
 938     //     without any validity check.
 939     //     Thus we use wxFontBase::SetFaceName to check if facename
 940     //     is valid...
 941     return wxFontBase::SetFaceName(faceName);
 942 }
 943
 944 void wxFont::SetUnderlined(bool underlined)
 945 {
 946     AllocExclusive();
 947
 948     M_FONTDATA->SetUnderlined(underlined);
 949 }
 950
 951 void wxFont::SetEncoding(wxFontEncoding encoding)
 952 {
 953     AllocExclusive();
 954
 955     M_FONTDATA->SetEncoding(encoding);
 956 }
 957
 958 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 959 {
 960     AllocExclusive();
 961
 962     M_FONTDATA->SetNativeFontInfo(info);
 963 }
 964
 965 // ----------------------------------------------------------------------------
 966 // accessors
 967 // ----------------------------------------------------------------------------
 968
 969 int wxFont::GetPointSize() const
 970 {
 971     wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
 972
 973     return M_FONTDATA->GetPointSize();
 974 }
 975
 976 wxSize wxFont::GetPixelSize() const
 977 {
 978     wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid font") );
 979
 980     return M_FONTDATA->GetPixelSize();
 981 }
 982
 983 bool wxFont::IsUsingSizeInPixels() const
 984 {
 985     wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
 986
 987     return M_FONTDATA->IsUsingSizeInPixels();
 988 }
 989
 990 wxFontFamily wxFont::GetFamily() const
 991 {
 992     wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") );
 993
 994     return M_FONTDATA->GetFamily();
 995 }
 996
 997 wxFontStyle wxFont::GetStyle() const
 998 {
 999     wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
1000
1001     return M_FONTDATA->GetStyle();
1002 }
1003
1004 wxFontWeight wxFont::GetWeight() const
1005 {
1006     wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
1007
1008     return M_FONTDATA->GetWeight();
1009 }
1010
1011 bool wxFont::GetUnderlined() const
1012 {
1013     wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
1014
1015     return M_FONTDATA->GetUnderlined();
1016 }
1017
1018 wxString wxFont::GetFaceName() const
1019 {
1020     wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
1021
1022     return M_FONTDATA->GetFaceName();
1023 }
1024
1025 wxFontEncoding wxFont::GetEncoding() const
1026 {
1027     wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
1028
1029     return M_FONTDATA->GetEncoding();
1030 }
1031
1032 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
1033 {
1034     return IsOk() && M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
1035                                            : NULL;
1036 }
1037
1038 wxString wxFont::GetNativeFontInfoDesc() const
1039 {
1040     wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
1041
1042     // be sure we have an HFONT associated...
1043     const_cast<wxFont*>(this)->RealizeResource();
1044     return wxFontBase::GetNativeFontInfoDesc();
1045 }
1046
1047 wxString wxFont::GetNativeFontInfoUserDesc() const
1048 {
1049     wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
1050
1051     // be sure we have an HFONT associated...
1052     const_cast<wxFont*>(this)->RealizeResource();
1053     return wxFontBase::GetNativeFontInfoUserDesc();
1054 }
1055
1056 bool wxFont::IsFixedWidth() const
1057 {
1058     wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
1059
1060     if ( M_FONTDATA->HasNativeFontInfo() )
1061     {
1062         // the two low-order bits specify the pitch of the font, the rest is
1063         // family
1064         BYTE pitch =
1065             (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);
1066
1067         return pitch == FIXED_PITCH;
1068     }
1069
1070     return wxFontBase::IsFixedWidth();
1071 }