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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "font.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/setup.h"
  33     #include "wx/list.h"
  34     #include "wx/utils.h"
  35     #include "wx/app.h"
  36     #include "wx/font.h"
  37     #include "wx/log.h"
  38     #include "wx/encinfo.h"
  39 #endif // WX_PRECOMP
  40
  41 #include "wx/msw/private.h"
  42
  43 #include "wx/fontutil.h"
  44 #include "wx/fontmap.h"
  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                   int family,
 120                   int style,
 121                   int 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         if ( data.m_nativeFontInfoOk )
 138         {
 139             Init(data.m_nativeFontInfo);
 140         }
 141         else
 142         {
 143             Init(data.m_pointSize, data.m_pixelSize, data.m_sizeUsingPixels,
 144                  data.m_family, data.m_style, data.m_weight,
 145                  data.m_underlined, data.m_faceName, data.m_encoding);
 146         }
 147     }
 148
 149     virtual ~wxFontRefData();
 150
 151     // operations
 152     bool Alloc(wxFont *font);
 153
 154     void Free();
 155
 156     // all wxFont accessors
 157     int GetPointSize() const
 158     {
 159         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPointSize()
 160                                   : m_pointSize;
 161     }
 162
 163     wxSize GetPixelSize() const
 164     {
 165         return m_nativeFontInfoOk ? m_nativeFontInfo.GetPixelSize()
 166                                   : m_pixelSize;
 167     }
 168
 169     bool IsUsingSizeInPixels() const
 170     {
 171         return m_nativeFontInfoOk ? true : m_sizeUsingPixels;
 172     }
 173
 174     int GetFamily() const
 175     {
 176         return m_family;
 177     }
 178
 179     int GetStyle() const
 180     {
 181         return m_nativeFontInfoOk ? m_nativeFontInfo.GetStyle()
 182                                   : m_style;
 183     }
 184
 185     int GetWeight() const
 186     {
 187         return m_nativeFontInfoOk ? m_nativeFontInfo.GetWeight()
 188                                   : m_weight;
 189     }
 190
 191     bool GetUnderlined() const
 192     {
 193         return m_nativeFontInfoOk ? m_nativeFontInfo.GetUnderlined()
 194                                   : m_underlined;
 195     }
 196
 197     wxString GetFaceName() const
 198     {
 199         wxString s;
 200         if ( m_nativeFontInfoOk )
 201             s = m_nativeFontInfo.GetFaceName();
 202         else
 203             s = m_faceName;
 204
 205         return s;
 206     }
 207
 208     wxFontEncoding GetEncoding() const
 209     {
 210         return m_nativeFontInfoOk ? m_nativeFontInfo.GetEncoding()
 211                                   : m_encoding;
 212     }
 213
 214     WXHFONT GetHFONT() const { return m_hFont; }
 215
 216     // ... and setters
 217     void SetPointSize(int pointSize)
 218     {
 219         if ( m_nativeFontInfoOk )
 220         {
 221             m_nativeFontInfo.SetPointSize(pointSize);
 222         }
 223         else
 224         {
 225             m_pointSize = pointSize;
 226             m_sizeUsingPixels = FALSE;
 227         }
 228     }
 229
 230     void SetPixelSize(const wxSize& pixelSize)
 231     {
 232         if ( m_nativeFontInfoOk )
 233         {
 234             m_nativeFontInfo.SetPixelSize(pixelSize);
 235         }
 236         else
 237         {
 238             m_pixelSize = pixelSize;
 239             m_sizeUsingPixels = TRUE;
 240         }
 241     }
 242
 243     void SetFamily(int family)
 244     {
 245         m_family = family;
 246     }
 247
 248     void SetStyle(int style)
 249     {
 250         if ( m_nativeFontInfoOk )
 251             m_nativeFontInfo.SetStyle((wxFontStyle)style);
 252         else
 253             m_style = style;
 254     }
 255
 256     void SetWeight(int weight)
 257     {
 258         if ( m_nativeFontInfoOk )
 259             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
 260         else
 261             m_weight = weight;
 262     }
 263
 264     void SetFaceName(const wxString& faceName)
 265     {
 266         if ( m_nativeFontInfoOk )
 267             m_nativeFontInfo.SetFaceName(faceName);
 268         else
 269             m_faceName = faceName;
 270     }
 271
 272     void SetUnderlined(bool underlined)
 273     {
 274         if ( m_nativeFontInfoOk )
 275             m_nativeFontInfo.SetUnderlined(underlined);
 276         else
 277             m_underlined = underlined;
 278     }
 279
 280     void SetEncoding(wxFontEncoding encoding)
 281     {
 282         if ( m_nativeFontInfoOk )
 283             m_nativeFontInfo.SetEncoding(encoding);
 284         else
 285             m_encoding = encoding;
 286     }
 287
 288     // native font info tests
 289     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 290
 291     const wxNativeFontInfo& GetNativeFontInfo() const
 292         { return m_nativeFontInfo; }
 293
 294 protected:
 295     // common part of all ctors
 296     void Init(int size,
 297               const wxSize& pixelSize,
 298               bool sizeUsingPixels,
 299               int family,
 300               int style,
 301               int weight,
 302               bool underlined,
 303               const wxString& faceName,
 304               wxFontEncoding encoding);
 305
 306     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 307
 308     // font characterstics
 309     int           m_pointSize;
 310     wxSize        m_pixelSize;
 311     bool          m_sizeUsingPixels;
 312     int           m_family;
 313     int           m_style;
 314     int           m_weight;
 315     bool          m_underlined;
 316     wxString      m_faceName;
 317     wxFontEncoding m_encoding;
 318
 319     // Windows font handle
 320     WXHFONT       m_hFont;
 321
 322     // Native font info
 323     wxNativeFontInfo m_nativeFontInfo;
 324     bool             m_nativeFontInfoOk;
 325 };
 326
 327 // ============================================================================
 328 // implementation
 329 // ============================================================================
 330
 331 // ----------------------------------------------------------------------------
 332 // wxFontRefData
 333 // ----------------------------------------------------------------------------
 334
 335 void wxFontRefData::Init(int pointSize,
 336                          const wxSize& pixelSize,
 337                          bool sizeUsingPixels,
 338                          int family,
 339                          int style,
 340                          int weight,
 341                          bool underlined,
 342                          const wxString& faceName,
 343                          wxFontEncoding encoding)
 344 {
 345     m_style = style;
 346     m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
 347     m_pixelSize = pixelSize;
 348     m_sizeUsingPixels = sizeUsingPixels;
 349     m_family = family;
 350     m_style = style;
 351     m_weight = weight;
 352     m_underlined = underlined;
 353     m_faceName = faceName;
 354     m_encoding = encoding;
 355
 356     m_hFont = 0;
 357
 358     m_nativeFontInfoOk = false;
 359 }
 360
 361 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 362 {
 363     // hFont may be zero, or it be passed in case we really want to
 364     // use the exact font created in the underlying system
 365     // (for example where we can't guarantee conversion from HFONT
 366     // to LOGFONT back to HFONT)
 367     m_hFont = hFont;
 368
 369     m_nativeFontInfoOk = true;
 370     m_nativeFontInfo = info;
 371     // This is the best we can do since we don't have the
 372     // correct information at this point.
 373     m_family = wxSWISS;
 374 }
 375
 376 wxFontRefData::~wxFontRefData()
 377 {
 378     Free();
 379 }
 380
 381 bool wxFontRefData::Alloc(wxFont *font)
 382 {
 383     if ( !m_nativeFontInfoOk )
 384     {
 385         wxFillLogFont(&m_nativeFontInfo.lf, font);
 386         m_nativeFontInfoOk = true;
 387     }
 388
 389     HFONT hfont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
 390     if ( !hfont )
 391     {
 392         wxLogLastError(wxT("CreateFont"));
 393
 394         return false;
 395     }
 396
 397     m_hFont = (WXHFONT)hfont;
 398
 399     return true;
 400 }
 401
 402 void wxFontRefData::Free()
 403 {
 404     if ( m_hFont )
 405     {
 406         if ( !::DeleteObject((HFONT) m_hFont) )
 407         {
 408             wxLogLastError(wxT("DeleteObject(font)"));
 409         }
 410
 411         m_hFont = 0;
 412     }
 413 }
 414
 415 // ----------------------------------------------------------------------------
 416 // wxNativeFontInfo
 417 // ----------------------------------------------------------------------------
 418
 419 void wxNativeFontInfo::Init()
 420 {
 421     wxZeroMemory(lf);
 422 }
 423
 424 int wxNativeFontInfo::GetPointSize() const
 425 {
 426     // FIXME: using the screen here results in incorrect font size calculation
 427     //        for printing!
 428     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 429
 430     return (int) (((72.0*(double)abs(lf.lfHeight)) / (double) ppInch) + 0.5);
 431 }
 432
 433 wxSize wxNativeFontInfo::GetPixelSize() const
 434 {
 435     wxSize ret;
 436     ret.SetHeight(lf.lfHeight);
 437     ret.SetWidth(lf.lfWidth);
 438     return ret;
 439 }
 440
 441 wxFontStyle wxNativeFontInfo::GetStyle() const
 442 {
 443     return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 444 }
 445
 446 wxFontWeight wxNativeFontInfo::GetWeight() const
 447 {
 448     if ( lf.lfWeight <= 300 )
 449         return wxFONTWEIGHT_LIGHT;
 450
 451     if ( lf.lfWeight >= 600 )
 452         return wxFONTWEIGHT_BOLD;
 453
 454     return wxFONTWEIGHT_NORMAL;
 455 }
 456
 457 bool wxNativeFontInfo::GetUnderlined() const
 458 {
 459     return lf.lfUnderline != 0;
 460 }
 461
 462 wxString wxNativeFontInfo::GetFaceName() const
 463 {
 464     return lf.lfFaceName;
 465 }
 466
 467 wxFontFamily wxNativeFontInfo::GetFamily() const
 468 {
 469     wxFontFamily family;
 470
 471     // extract family from pitch-and-family
 472     switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
 473     {
 474         case FF_ROMAN:
 475             family = wxFONTFAMILY_ROMAN;
 476             break;
 477
 478         default:
 479             wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
 480             // fall through
 481
 482         case FF_SWISS:
 483             family = wxFONTFAMILY_SWISS;
 484             break;
 485
 486         case FF_SCRIPT:
 487             family = wxFONTFAMILY_SCRIPT;
 488             break;
 489
 490         case FF_MODERN:
 491             family = wxFONTFAMILY_MODERN;
 492             break;
 493
 494         case FF_DECORATIVE:
 495             family = wxFONTFAMILY_DECORATIVE;
 496             break;
 497     }
 498
 499     return family;
 500 }
 501
 502 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 503 {
 504     return wxGetFontEncFromCharSet(lf.lfCharSet);
 505 }
 506
 507 void wxNativeFontInfo::SetPointSize(int pointsize)
 508 {
 509     // FIXME: using the screen here results in incorrect font size calculation
 510     //        for printing!
 511     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 512
 513     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
 514 }
 515
 516 void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
 517 {
 518     lf.lfHeight = pixelSize.GetHeight();
 519     lf.lfWidth = pixelSize.GetWidth();
 520 }
 521
 522
 523 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 524 {
 525     switch ( style )
 526     {
 527         default:
 528             wxFAIL_MSG( _T("unknown font style") );
 529             // fall through
 530
 531         case wxFONTSTYLE_NORMAL:
 532             lf.lfItalic = FALSE;
 533             break;
 534
 535         case wxFONTSTYLE_ITALIC:
 536         case wxFONTSTYLE_SLANT:
 537             lf.lfItalic = TRUE;
 538             break;
 539     }
 540 }
 541
 542 void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 543 {
 544     switch ( weight )
 545     {
 546         default:
 547             wxFAIL_MSG( _T("unknown font weight") );
 548             // fall through
 549
 550         case wxFONTWEIGHT_NORMAL:
 551             lf.lfWeight = FW_NORMAL;
 552             break;
 553
 554         case wxFONTWEIGHT_LIGHT:
 555             lf.lfWeight = FW_LIGHT;
 556             break;
 557
 558         case wxFONTWEIGHT_BOLD:
 559             lf.lfWeight = FW_BOLD;
 560             break;
 561     }
 562 }
 563
 564 void wxNativeFontInfo::SetUnderlined(bool underlined)
 565 {
 566     lf.lfUnderline = underlined;
 567 }
 568
 569 void wxNativeFontInfo::SetFaceName(wxString facename)
 570 {
 571     wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
 572 }
 573
 574 void wxNativeFontInfo::SetFamily(wxFontFamily family)
 575 {
 576     BYTE ff_family;
 577     wxString facename;
 578
 579     switch ( family )
 580     {
 581         case wxSCRIPT:
 582             ff_family = FF_SCRIPT;
 583             facename = _T("Script");
 584             break;
 585
 586         case wxDECORATIVE:
 587             ff_family = FF_DECORATIVE;
 588             facename = _T("Old English Text MT");
 589             break;
 590
 591         case wxROMAN:
 592             ff_family = FF_ROMAN;
 593             facename = _T("Times New Roman");
 594             break;
 595
 596         case wxTELETYPE:
 597         case wxMODERN:
 598             ff_family = FF_MODERN;
 599             facename = _T("Courier New");
 600             break;
 601
 602         case wxSWISS:
 603             ff_family = FF_SWISS;
 604             facename = _T("Arial");
 605             break;
 606
 607         case wxDEFAULT:
 608         default:
 609             ff_family = FF_SWISS;
 610             facename = _T("MS Sans Serif");
 611     }
 612
 613     lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
 614
 615     if ( !wxStrlen(lf.lfFaceName) )
 616     {
 617         SetFaceName(facename);
 618     }
 619 }
 620
 621 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 622 {
 623     wxNativeEncodingInfo info;
 624     if ( !wxGetNativeFontEncoding(encoding, &info) )
 625     {
 626 #if wxUSE_FONTMAP
 627         if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
 628         {
 629             if ( !info.facename.empty() )
 630             {
 631                 // if we have this encoding only in some particular facename, use
 632                 // the facename - it is better to show the correct characters in a
 633                 // wrong facename than unreadable text in a correct one
 634                 SetFaceName(info.facename);
 635             }
 636         }
 637         else
 638 #endif // wxUSE_FONTMAP
 639         {
 640             // unsupported encoding, replace with the default
 641             info.charset = DEFAULT_CHARSET;
 642         }
 643     }
 644
 645     lf.lfCharSet = (BYTE)info.charset;
 646 }
 647
 648 bool wxNativeFontInfo::FromString(const wxString& s)
 649 {
 650     long l;
 651
 652     wxStringTokenizer tokenizer(s, _T(";"));
 653
 654     // first the version
 655     wxString token = tokenizer.GetNextToken();
 656     if ( token != _T('0') )
 657         return false;
 658
 659     token = tokenizer.GetNextToken();
 660     if ( !token.ToLong(&l) )
 661         return false;
 662     lf.lfHeight = l;
 663
 664     token = tokenizer.GetNextToken();
 665     if ( !token.ToLong(&l) )
 666         return false;
 667     lf.lfWidth = l;
 668
 669     token = tokenizer.GetNextToken();
 670     if ( !token.ToLong(&l) )
 671         return false;
 672     lf.lfEscapement = l;
 673
 674     token = tokenizer.GetNextToken();
 675     if ( !token.ToLong(&l) )
 676         return false;
 677     lf.lfOrientation = l;
 678
 679     token = tokenizer.GetNextToken();
 680     if ( !token.ToLong(&l) )
 681         return false;
 682     lf.lfWeight = l;
 683
 684     token = tokenizer.GetNextToken();
 685     if ( !token.ToLong(&l) )
 686         return false;
 687     lf.lfItalic = (BYTE)l;
 688
 689     token = tokenizer.GetNextToken();
 690     if ( !token.ToLong(&l) )
 691         return false;
 692     lf.lfUnderline = (BYTE)l;
 693
 694     token = tokenizer.GetNextToken();
 695     if ( !token.ToLong(&l) )
 696         return false;
 697     lf.lfStrikeOut = (BYTE)l;
 698
 699     token = tokenizer.GetNextToken();
 700     if ( !token.ToLong(&l) )
 701         return false;
 702     lf.lfCharSet = (BYTE)l;
 703
 704     token = tokenizer.GetNextToken();
 705     if ( !token.ToLong(&l) )
 706         return false;
 707     lf.lfOutPrecision = (BYTE)l;
 708
 709     token = tokenizer.GetNextToken();
 710     if ( !token.ToLong(&l) )
 711         return false;
 712     lf.lfClipPrecision = (BYTE)l;
 713
 714     token = tokenizer.GetNextToken();
 715     if ( !token.ToLong(&l) )
 716         return false;
 717     lf.lfQuality = (BYTE)l;
 718
 719     token = tokenizer.GetNextToken();
 720     if ( !token.ToLong(&l) )
 721         return false;
 722     lf.lfPitchAndFamily = (BYTE)l;
 723
 724     token = tokenizer.GetNextToken();
 725     if(!token)
 726         return false;
 727     wxStrcpy(lf.lfFaceName, token.c_str());
 728
 729     return true;
 730 }
 731
 732 wxString wxNativeFontInfo::ToString() const
 733 {
 734     wxString s;
 735
 736     s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
 737              0, // version, in case we want to change the format later
 738              lf.lfHeight,
 739              lf.lfWidth,
 740              lf.lfEscapement,
 741              lf.lfOrientation,
 742              lf.lfWeight,
 743              lf.lfItalic,
 744              lf.lfUnderline,
 745              lf.lfStrikeOut,
 746              lf.lfCharSet,
 747              lf.lfOutPrecision,
 748              lf.lfClipPrecision,
 749              lf.lfQuality,
 750              lf.lfPitchAndFamily,
 751              lf.lfFaceName);
 752
 753     return s;
 754 }
 755
 756 // ----------------------------------------------------------------------------
 757 // wxFont
 758 // ----------------------------------------------------------------------------
 759
 760 void wxFont::Init()
 761 {
 762 }
 763
 764 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 765 {
 766     UnRef();
 767
 768     m_refData = new wxFontRefData(info, hFont);
 769
 770     RealizeResource();
 771
 772     return true;
 773 }
 774
 775 wxFont::wxFont(const wxString& fontdesc)
 776 {
 777     wxNativeFontInfo info;
 778     if ( info.FromString(fontdesc) )
 779         (void)Create(info);
 780 }
 781
 782 /* Constructor for a font. Note that the real construction is done
 783  * in wxDC::SetFont, when information is available about scaling etc.
 784  */
 785 bool wxFont::DoCreate(int pointSize,
 786                       const wxSize& pixelSize,
 787                       bool sizeUsingPixels,
 788                       int family,
 789                       int style,
 790                       int weight,
 791                       bool underlined,
 792                       const wxString& faceName,
 793                       wxFontEncoding encoding)
 794 {
 795     UnRef();
 796
 797     // wxDEFAULT is a valid value for the font size too so we must treat it
 798     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 799     if ( pointSize == wxDEFAULT )
 800     {
 801         pointSize = wxNORMAL_FONT->GetPointSize();
 802     }
 803
 804     m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
 805                                   family, style, weight,
 806                                   underlined, faceName, encoding);
 807
 808     RealizeResource();
 809
 810     return true;
 811 }
 812
 813 wxFont::~wxFont()
 814 {
 815 }
 816
 817 // ----------------------------------------------------------------------------
 818 // real implementation
 819 // ----------------------------------------------------------------------------
 820
 821 bool wxFont::RealizeResource()
 822 {
 823     if ( GetResourceHandle() )
 824     {
 825         // VZ: the old code returned false in this case, but it doesn't seem
 826         //     to make sense because the font _was_ created
 827         return true;
 828     }
 829
 830     return M_FONTDATA->Alloc(this);
 831 }
 832
 833 bool wxFont::FreeResource(bool WXUNUSED(force))
 834 {
 835     if ( GetResourceHandle() )
 836     {
 837         M_FONTDATA->Free();
 838
 839         return true;
 840     }
 841
 842     return false;
 843 }
 844
 845 WXHANDLE wxFont::GetResourceHandle() const
 846 {
 847     return (WXHANDLE)GetHFONT();
 848 }
 849
 850 WXHFONT wxFont::GetHFONT() const
 851 {
 852     return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
 853 }
 854
 855 bool wxFont::IsFree() const
 856 {
 857     return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
 858 }
 859
 860 void wxFont::Unshare()
 861 {
 862     // Don't change shared data
 863     if ( !m_refData )
 864     {
 865         m_refData = new wxFontRefData();
 866     }
 867     else
 868     {
 869         wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
 870         UnRef();
 871         m_refData = ref;
 872     }
 873 }
 874
 875 // ----------------------------------------------------------------------------
 876 // change font attribute: we recreate font when doing it
 877 // ----------------------------------------------------------------------------
 878
 879 void wxFont::SetPointSize(int pointSize)
 880 {
 881     Unshare();
 882
 883     M_FONTDATA->SetPointSize(pointSize);
 884
 885     RealizeResource();
 886 }
 887
 888 void wxFont::SetPixelSize(const wxSize& pixelSize)
 889 {
 890     Unshare();
 891
 892     M_FONTDATA->SetPixelSize(pixelSize);
 893
 894     RealizeResource();
 895 }
 896
 897 void wxFont::SetFamily(int family)
 898 {
 899     Unshare();
 900
 901     M_FONTDATA->SetFamily(family);
 902
 903     RealizeResource();
 904 }
 905
 906 void wxFont::SetStyle(int style)
 907 {
 908     Unshare();
 909
 910     M_FONTDATA->SetStyle(style);
 911
 912     RealizeResource();
 913 }
 914
 915 void wxFont::SetWeight(int weight)
 916 {
 917     Unshare();
 918
 919     M_FONTDATA->SetWeight(weight);
 920
 921     RealizeResource();
 922 }
 923
 924 void wxFont::SetFaceName(const wxString& faceName)
 925 {
 926     Unshare();
 927
 928     M_FONTDATA->SetFaceName(faceName);
 929
 930     RealizeResource();
 931 }
 932
 933 void wxFont::SetUnderlined(bool underlined)
 934 {
 935     Unshare();
 936
 937     M_FONTDATA->SetUnderlined(underlined);
 938
 939     RealizeResource();
 940 }
 941
 942 void wxFont::SetEncoding(wxFontEncoding encoding)
 943 {
 944     Unshare();
 945
 946     M_FONTDATA->SetEncoding(encoding);
 947
 948     RealizeResource();
 949 }
 950
 951 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
 952 {
 953     Unshare();
 954
 955     FreeResource();
 956
 957     *M_FONTDATA = wxFontRefData(info);
 958
 959     RealizeResource();
 960 }
 961
 962 // ----------------------------------------------------------------------------
 963 // accessors
 964 // ----------------------------------------------------------------------------
 965
 966 int wxFont::GetPointSize() const
 967 {
 968     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 969
 970     return M_FONTDATA->GetPointSize();
 971 }
 972
 973 wxSize wxFont::GetPixelSize() const
 974 {
 975     return M_FONTDATA->GetPixelSize();
 976 }
 977
 978 bool wxFont::IsUsingSizeInPixels() const
 979 {
 980     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 981
 982     return M_FONTDATA->IsUsingSizeInPixels();
 983 }
 984
 985 int wxFont::GetFamily() const
 986 {
 987     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 988
 989     return M_FONTDATA->GetFamily();
 990 }
 991
 992 int wxFont::GetStyle() const
 993 {
 994     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 995
 996     return M_FONTDATA->GetStyle();
 997 }
 998
 999 int wxFont::GetWeight() const
1000 {
1001     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1002
1003     return M_FONTDATA->GetWeight();
1004 }
1005
1006 bool wxFont::GetUnderlined() const
1007 {
1008     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
1009
1010     return M_FONTDATA->GetUnderlined();
1011 }
1012
1013 wxString wxFont::GetFaceName() const
1014 {
1015     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
1016
1017     return M_FONTDATA->GetFaceName();
1018 }
1019
1020 wxFontEncoding wxFont::GetEncoding() const
1021 {
1022     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
1023
1024     return M_FONTDATA->GetEncoding();
1025 }
1026
1027 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
1028 {
1029     return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
1030                                            : NULL;
1031 }
1032
1033 bool wxFont::IsFixedWidth() const
1034 {
1035     if ( M_FONTDATA->HasNativeFontInfo() )
1036     {
1037         // the two low-order bits specify the pitch of the font, the rest is
1038         // family
1039         BYTE pitch =
1040             (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);
1041
1042         return pitch == FIXED_PITCH;
1043     }
1044
1045     return wxFontBase::IsFixedWidth();
1046 }
1047