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                   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(const 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 wxFont *font) const
 215     {
 216         if ( !m_hFont )
 217             wx_const_cast(wxFontRefData *, this)->Alloc(font);
 218
 219         return (WXHFONT)m_hFont;
 220     }
 221
 222     bool HasHFONT() const
 223     {
 224         return m_hFont != 0;
 225     }
 226
 227     // ... and setters: notice that all of them invalidate the currently
 228     // allocated HFONT, if any, so that the next call to GetHFONT() recreates a
 229     // new one
 230     void SetPointSize(int pointSize)
 231     {
 232         Free();
 233
 234         if ( m_nativeFontInfoOk )
 235         {
 236             m_nativeFontInfo.SetPointSize(pointSize);
 237         }
 238         else
 239         {
 240             m_pointSize = pointSize;
 241             m_sizeUsingPixels = false;
 242         }
 243     }
 244
 245     void SetPixelSize(const wxSize& pixelSize)
 246     {
 247         Free();
 248
 249         if ( m_nativeFontInfoOk )
 250         {
 251             m_nativeFontInfo.SetPixelSize(pixelSize);
 252         }
 253         else
 254         {
 255             m_pixelSize = pixelSize;
 256             m_sizeUsingPixels = true;
 257         }
 258     }
 259
 260     void SetFamily(int family)
 261     {
 262         Free();
 263
 264         m_family = family;
 265     }
 266
 267     void SetStyle(int style)
 268     {
 269         Free();
 270
 271         if ( m_nativeFontInfoOk )
 272             m_nativeFontInfo.SetStyle((wxFontStyle)style);
 273         else
 274             m_style = style;
 275     }
 276
 277     void SetWeight(int weight)
 278     {
 279         Free();
 280
 281         if ( m_nativeFontInfoOk )
 282             m_nativeFontInfo.SetWeight((wxFontWeight)weight);
 283         else
 284             m_weight = weight;
 285     }
 286
 287     bool SetFaceName(const wxString& faceName)
 288     {
 289         Free();
 290
 291         if ( m_nativeFontInfoOk )
 292             return m_nativeFontInfo.SetFaceName(faceName);
 293
 294         m_faceName = faceName;
 295         return true;
 296     }
 297
 298     void SetUnderlined(bool underlined)
 299     {
 300         Free();
 301
 302         if ( m_nativeFontInfoOk )
 303             m_nativeFontInfo.SetUnderlined(underlined);
 304         else
 305             m_underlined = underlined;
 306     }
 307
 308     void SetEncoding(wxFontEncoding encoding)
 309     {
 310         Free();
 311
 312         if ( m_nativeFontInfoOk )
 313             m_nativeFontInfo.SetEncoding(encoding);
 314         else
 315             m_encoding = encoding;
 316     }
 317
 318     // native font info
 319     bool HasNativeFontInfo() const { return m_nativeFontInfoOk; }
 320
 321     const wxNativeFontInfo& GetNativeFontInfo() const
 322         { return m_nativeFontInfo; }
 323
 324     void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
 325     {
 326         Free();
 327
 328         m_nativeFontInfo = nativeFontInfo;
 329         m_nativeFontInfoOk = true;
 330     }
 331
 332 protected:
 333     // common part of all ctors
 334     void Init(int size,
 335               const wxSize& pixelSize,
 336               bool sizeUsingPixels,
 337               int family,
 338               int style,
 339               int weight,
 340               bool underlined,
 341               const wxString& faceName,
 342               wxFontEncoding encoding);
 343
 344     void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
 345
 346     // font characteristics
 347     int           m_pointSize;
 348     wxSize        m_pixelSize;
 349     bool          m_sizeUsingPixels;
 350     int           m_family;
 351     int           m_style;
 352     int           m_weight;
 353     bool          m_underlined;
 354     wxString      m_faceName;
 355     wxFontEncoding m_encoding;
 356
 357     // Windows font handle, created on demand in GetHFONT()
 358     HFONT         m_hFont;
 359
 360     // Native font info
 361     wxNativeFontInfo m_nativeFontInfo;
 362     bool             m_nativeFontInfoOk;
 363 };
 364
 365 #define M_FONTDATA ((wxFontRefData*)m_refData)
 366
 367 // ============================================================================
 368 // implementation
 369 // ============================================================================
 370
 371 // ----------------------------------------------------------------------------
 372 // wxFontRefData
 373 // ----------------------------------------------------------------------------
 374
 375 void wxFontRefData::Init(int pointSize,
 376                          const wxSize& pixelSize,
 377                          bool sizeUsingPixels,
 378                          int family,
 379                          int style,
 380                          int weight,
 381                          bool underlined,
 382                          const wxString& faceName,
 383                          wxFontEncoding encoding)
 384 {
 385     m_style = style;
 386     m_pointSize = pointSize == -1 ? wxNORMAL_FONT->GetPointSize() : pointSize;
 387     m_pixelSize = pixelSize;
 388     m_sizeUsingPixels = sizeUsingPixels;
 389     m_family = family;
 390     m_style = style;
 391     m_weight = weight;
 392     m_underlined = underlined;
 393     m_faceName = faceName;
 394     m_encoding = encoding;
 395
 396     m_hFont = 0;
 397
 398     m_nativeFontInfoOk = false;
 399 }
 400
 401 void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
 402 {
 403     // hFont may be zero, or it be passed in case we really want to
 404     // use the exact font created in the underlying system
 405     // (for example where we can't guarantee conversion from HFONT
 406     // to LOGFONT back to HFONT)
 407     m_hFont = (HFONT)hFont;
 408
 409     m_nativeFontInfoOk = true;
 410     m_nativeFontInfo = info;
 411     // This is the best we can do since we don't have the
 412     // correct information at this point.
 413     m_family = wxSWISS;
 414 }
 415
 416 wxFontRefData::~wxFontRefData()
 417 {
 418     Free();
 419 }
 420
 421 bool wxFontRefData::Alloc(const wxFont *font)
 422 {
 423     if ( !m_nativeFontInfoOk )
 424     {
 425         wxFillLogFont(&m_nativeFontInfo.lf, font);
 426         m_nativeFontInfoOk = true;
 427     }
 428
 429     m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
 430     if ( !m_hFont )
 431     {
 432         wxLogLastError(wxT("CreateFont"));
 433         return false;
 434     }
 435
 436     return true;
 437 }
 438
 439 void wxFontRefData::Free()
 440 {
 441     if ( m_hFont )
 442     {
 443         if ( !::DeleteObject(m_hFont) )
 444         {
 445             wxLogLastError(wxT("DeleteObject(font)"));
 446         }
 447
 448         m_hFont = 0;
 449     }
 450 }
 451
 452 // ----------------------------------------------------------------------------
 453 // wxNativeFontInfo
 454 // ----------------------------------------------------------------------------
 455
 456 void wxNativeFontInfo::Init()
 457 {
 458     wxZeroMemory(lf);
 459
 460     // we get better font quality if we use PROOF_QUALITY instead of
 461     // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available
 462     // then so we allow to set a global option to choose between quality and
 463     // wider font selection
 464 #ifdef __WXWINCE__
 465     lf.lfQuality = CLEARTYPE_QUALITY;
 466 #else
 467     lf.lfQuality = wxSystemOptions::GetOptionInt(_T("msw.font.no-proof-quality"))
 468                     ? DEFAULT_QUALITY
 469                     : PROOF_QUALITY;
 470 #endif
 471 }
 472
 473 int wxNativeFontInfo::GetPointSize() const
 474 {
 475     // FIXME: using the screen here results in incorrect font size calculation
 476     //        for printing!
 477     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 478
 479     // BC++ 2007 doesn't provide abs(long) overload, hence the cast
 480     return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);
 481 }
 482
 483 wxSize wxNativeFontInfo::GetPixelSize() const
 484 {
 485     wxSize ret;
 486     ret.SetHeight(abs((int)lf.lfHeight));
 487     ret.SetWidth(lf.lfWidth);
 488     return ret;
 489 }
 490
 491 wxFontStyle wxNativeFontInfo::GetStyle() const
 492 {
 493     return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 494 }
 495
 496 wxFontWeight wxNativeFontInfo::GetWeight() const
 497 {
 498     if ( lf.lfWeight <= 300 )
 499         return wxFONTWEIGHT_LIGHT;
 500
 501     if ( lf.lfWeight >= 600 )
 502         return wxFONTWEIGHT_BOLD;
 503
 504     return wxFONTWEIGHT_NORMAL;
 505 }
 506
 507 bool wxNativeFontInfo::GetUnderlined() const
 508 {
 509     return lf.lfUnderline != 0;
 510 }
 511
 512 wxString wxNativeFontInfo::GetFaceName() const
 513 {
 514     return lf.lfFaceName;
 515 }
 516
 517 wxFontFamily wxNativeFontInfo::GetFamily() const
 518 {
 519     wxFontFamily family;
 520
 521     // extract family from pitch-and-family
 522     switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
 523     {
 524         case FF_ROMAN:
 525             family = wxFONTFAMILY_ROMAN;
 526             break;
 527
 528         default:
 529             wxFAIL_MSG( _T("unknown LOGFONT::lfFamily value") );
 530             // fall through
 531
 532         case FF_SWISS:
 533             family = wxFONTFAMILY_SWISS;
 534             break;
 535
 536         case FF_SCRIPT:
 537             family = wxFONTFAMILY_SCRIPT;
 538             break;
 539
 540         case FF_MODERN:
 541             family = wxFONTFAMILY_MODERN;
 542             break;
 543
 544         case FF_DECORATIVE:
 545             family = wxFONTFAMILY_DECORATIVE;
 546             break;
 547     }
 548
 549     return family;
 550 }
 551
 552 wxFontEncoding wxNativeFontInfo::GetEncoding() const
 553 {
 554     return wxGetFontEncFromCharSet(lf.lfCharSet);
 555 }
 556
 557 void wxNativeFontInfo::SetPointSize(int pointsize)
 558 {
 559     // FIXME: using the screen here results in incorrect font size calculation
 560     //        for printing!
 561     const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 562
 563     lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
 564 }
 565
 566 void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
 567 {
 568     lf.lfHeight = pixelSize.GetHeight();
 569     lf.lfWidth = pixelSize.GetWidth();
 570 }
 571
 572
 573 void wxNativeFontInfo::SetStyle(wxFontStyle style)
 574 {
 575     switch ( style )
 576     {
 577         default:
 578             wxFAIL_MSG( _T("unknown font style") );
 579             // fall through
 580
 581         case wxFONTSTYLE_NORMAL:
 582             lf.lfItalic = FALSE;
 583             break;
 584
 585         case wxFONTSTYLE_ITALIC:
 586         case wxFONTSTYLE_SLANT:
 587             lf.lfItalic = TRUE;
 588             break;
 589     }
 590 }
 591
 592 void wxNativeFontInfo::SetWeight(wxFontWeight weight)
 593 {
 594     switch ( weight )
 595     {
 596         default:
 597             wxFAIL_MSG( _T("unknown font weight") );
 598             // fall through
 599
 600         case wxFONTWEIGHT_NORMAL:
 601             lf.lfWeight = FW_NORMAL;
 602             break;
 603
 604         case wxFONTWEIGHT_LIGHT:
 605             lf.lfWeight = FW_LIGHT;
 606             break;
 607
 608         case wxFONTWEIGHT_BOLD:
 609             lf.lfWeight = FW_BOLD;
 610             break;
 611     }
 612 }
 613
 614 void wxNativeFontInfo::SetUnderlined(bool underlined)
 615 {
 616     lf.lfUnderline = underlined;
 617 }
 618
 619 bool wxNativeFontInfo::SetFaceName(const wxString& facename)
 620 {
 621     size_t len = WXSIZEOF(lf.lfFaceName);
 622     wxStrncpy(lf.lfFaceName, facename, len);
 623     lf.lfFaceName[len - 1] = '\0';    // truncate the face name
 624     return true;
 625 }
 626
 627 void wxNativeFontInfo::SetFamily(wxFontFamily family)
 628 {
 629     BYTE ff_family;
 630     wxArrayString facename;
 631
 632     // the list of fonts associated with a family was partially
 633     // taken from http://www.codestyle.org/css/font-family
 634
 635     switch ( family )
 636     {
 637         case wxSCRIPT:
 638             ff_family = FF_SCRIPT;
 639             facename.Add(_T("Script"));
 640             facename.Add(_T("Brush Script MT"));
 641             facename.Add(_T("Comic Sans MS"));
 642             facename.Add(_T("Lucida Handwriting"));
 643             break;
 644
 645         case wxDECORATIVE:
 646             ff_family = FF_DECORATIVE;
 647             facename.Add(_T("Old English Text MT"));
 648             facename.Add(_T("Comic Sans MS"));
 649             facename.Add(_T("Lucida Handwriting"));
 650             break;
 651
 652         case wxROMAN:
 653             ff_family = FF_ROMAN;
 654             facename.Add(_T("Times New Roman"));
 655             facename.Add(_T("Georgia"));
 656             facename.Add(_T("Garamond"));
 657             facename.Add(_T("Bookman Old Style"));
 658             facename.Add(_T("Book Antiqua"));
 659             break;
 660
 661         case wxTELETYPE:
 662         case wxMODERN:
 663             ff_family = FF_MODERN;
 664             facename.Add(_T("Courier New"));
 665             facename.Add(_T("Lucida Console"));
 666             facename.Add(_T("Andale Mono"));
 667             facename.Add(_T("OCR A Extended"));
 668             facename.Add(_T("Terminal"));
 669             break;
 670
 671         case wxSWISS:
 672             ff_family = FF_SWISS;
 673             facename.Add(_T("Arial"));
 674             facename.Add(_T("Century Gothic"));
 675             facename.Add(_T("Lucida Sans Unicode"));
 676             facename.Add(_T("Tahoma"));
 677             facename.Add(_T("Trebuchet MS"));
 678             facename.Add(_T("Verdana"));
 679             break;
 680
 681         case wxDEFAULT:
 682         default:
 683         {
 684             // We want Windows 2000 or later to have new fonts even MS Shell Dlg
 685             // is returned as default GUI font for compatibility
 686             int verMaj;
 687             ff_family = FF_SWISS;
 688             if(wxGetOsVersion(&verMaj) == wxOS_WINDOWS_NT && verMaj >= 5)
 689                 facename.Add(_T("MS Shell Dlg 2"));
 690             else
 691                 facename.Add(_T("MS Shell Dlg"));
 692
 693             // Quoting the MSDN:
 694             //     "MS Shell Dlg is a mapping mechanism that enables
 695             //     U.S. English Microsoft Windows NT, and Microsoft Windows 2000 to
 696             //     support locales that have characters that are not contained in code
 697             //     page 1252. It is not a font but a face name for a nonexistent font."
 698         }
 699     }
 700
 701     lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
 702
 703     if ( !wxStrlen(lf.lfFaceName) )
 704     {
 705         SetFaceName(facename);
 706     }
 707 }
 708
 709 void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
 710 {
 711     wxNativeEncodingInfo info;
 712     if ( !wxGetNativeFontEncoding(encoding, &info) )
 713     {
 714 #if wxUSE_FONTMAP
 715         if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
 716         {
 717             if ( !info.facename.empty() )
 718             {
 719                 // if we have this encoding only in some particular facename, use
 720                 // the facename - it is better to show the correct characters in a
 721                 // wrong facename than unreadable text in a correct one
 722                 SetFaceName(info.facename);
 723             }
 724         }
 725         else
 726 #endif // wxUSE_FONTMAP
 727         {
 728             // unsupported encoding, replace with the default
 729             info.charset = DEFAULT_CHARSET;
 730         }
 731     }
 732
 733     lf.lfCharSet = (BYTE)info.charset;
 734 }
 735
 736 bool wxNativeFontInfo::FromString(const wxString& s)
 737 {
 738     long l;
 739
 740     wxStringTokenizer tokenizer(s, _T(";"));
 741
 742     // first the version
 743     wxString token = tokenizer.GetNextToken();
 744     if ( token != _T('0') )
 745         return false;
 746
 747     token = tokenizer.GetNextToken();
 748     if ( !token.ToLong(&l) )
 749         return false;
 750     lf.lfHeight = l;
 751
 752     token = tokenizer.GetNextToken();
 753     if ( !token.ToLong(&l) )
 754         return false;
 755     lf.lfWidth = l;
 756
 757     token = tokenizer.GetNextToken();
 758     if ( !token.ToLong(&l) )
 759         return false;
 760     lf.lfEscapement = l;
 761
 762     token = tokenizer.GetNextToken();
 763     if ( !token.ToLong(&l) )
 764         return false;
 765     lf.lfOrientation = l;
 766
 767     token = tokenizer.GetNextToken();
 768     if ( !token.ToLong(&l) )
 769         return false;
 770     lf.lfWeight = l;
 771
 772     token = tokenizer.GetNextToken();
 773     if ( !token.ToLong(&l) )
 774         return false;
 775     lf.lfItalic = (BYTE)l;
 776
 777     token = tokenizer.GetNextToken();
 778     if ( !token.ToLong(&l) )
 779         return false;
 780     lf.lfUnderline = (BYTE)l;
 781
 782     token = tokenizer.GetNextToken();
 783     if ( !token.ToLong(&l) )
 784         return false;
 785     lf.lfStrikeOut = (BYTE)l;
 786
 787     token = tokenizer.GetNextToken();
 788     if ( !token.ToLong(&l) )
 789         return false;
 790     lf.lfCharSet = (BYTE)l;
 791
 792     token = tokenizer.GetNextToken();
 793     if ( !token.ToLong(&l) )
 794         return false;
 795     lf.lfOutPrecision = (BYTE)l;
 796
 797     token = tokenizer.GetNextToken();
 798     if ( !token.ToLong(&l) )
 799         return false;
 800     lf.lfClipPrecision = (BYTE)l;
 801
 802     token = tokenizer.GetNextToken();
 803     if ( !token.ToLong(&l) )
 804         return false;
 805     lf.lfQuality = (BYTE)l;
 806
 807     token = tokenizer.GetNextToken();
 808     if ( !token.ToLong(&l) )
 809         return false;
 810     lf.lfPitchAndFamily = (BYTE)l;
 811
 812     token = tokenizer.GetNextToken();
 813     if(!token)
 814         return false;
 815     wxStrcpy(lf.lfFaceName, token.c_str());
 816
 817     return true;
 818 }
 819
 820 wxString wxNativeFontInfo::ToString() const
 821 {
 822     wxString s;
 823
 824     s.Printf(_T("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
 825              0, // version, in case we want to change the format later
 826              lf.lfHeight,
 827              lf.lfWidth,
 828              lf.lfEscapement,
 829              lf.lfOrientation,
 830              lf.lfWeight,
 831              lf.lfItalic,
 832              lf.lfUnderline,
 833              lf.lfStrikeOut,
 834              lf.lfCharSet,
 835              lf.lfOutPrecision,
 836              lf.lfClipPrecision,
 837              lf.lfQuality,
 838              lf.lfPitchAndFamily,
 839              (const wxChar*)lf.lfFaceName);
 840
 841     return s;
 842 }
 843
 844 // ----------------------------------------------------------------------------
 845 // wxFont
 846 // ----------------------------------------------------------------------------
 847
 848 bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
 849 {
 850     UnRef();
 851
 852     m_refData = new wxFontRefData(info, hFont);
 853
 854     return RealizeResource();
 855 }
 856
 857 wxFont::wxFont(const wxString& fontdesc)
 858 {
 859     wxNativeFontInfo info;
 860     if ( info.FromString(fontdesc) )
 861         (void)Create(info);
 862 }
 863
 864 bool wxFont::DoCreate(int pointSize,
 865                       const wxSize& pixelSize,
 866                       bool sizeUsingPixels,
 867                       int family,
 868                       int style,
 869                       int weight,
 870                       bool underlined,
 871                       const wxString& faceName,
 872                       wxFontEncoding encoding)
 873 {
 874     UnRef();
 875
 876     // wxDEFAULT is a valid value for the font size too so we must treat it
 877     // specially here (otherwise the size would be 70 == wxDEFAULT value)
 878     if ( pointSize == wxDEFAULT )
 879     {
 880         pointSize = wxNORMAL_FONT->GetPointSize();
 881     }
 882
 883     m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
 884                                   family, style, weight,
 885                                   underlined, faceName, encoding);
 886
 887     return RealizeResource();
 888 }
 889
 890 wxFont::~wxFont()
 891 {
 892 }
 893
 894 // ----------------------------------------------------------------------------
 895 // real implementation
 896 // ----------------------------------------------------------------------------
 897
 898 wxGDIRefData *wxFont::CreateGDIRefData() const
 899 {
 900     return new wxFontRefData();
 901 }
 902
 903 wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
 904 {
 905     return new wxFontRefData(*wx_static_cast(const wxFontRefData *, data));
 906 }
 907
 908 bool wxFont::RealizeResource()
 909 {
 910     // don't do anything if we already have a valid font
 911     if ( GetHFONT() )
 912         return true;
 913
 914     return M_FONTDATA->Alloc(this);
 915 }
 916
 917 bool wxFont::FreeResource(bool WXUNUSED(force))
 918 {
 919     if ( !GetHFONT() )
 920         return false;
 921
 922     M_FONTDATA->Free();
 923
 924     return true;
 925 }
 926
 927 WXHANDLE wxFont::GetResourceHandle() const
 928 {
 929     return (WXHANDLE)GetHFONT();
 930 }
 931
 932 WXHFONT wxFont::GetHFONT() const
 933 {
 934     return M_FONTDATA ? M_FONTDATA->GetHFONT(this) : 0;
 935 }
 936
 937 bool wxFont::IsFree() const
 938 {
 939     return M_FONTDATA && !M_FONTDATA->HasHFONT();
 940 }
 941
 942 // ----------------------------------------------------------------------------
 943 // change font attribute: we recreate font when doing it
 944 // ----------------------------------------------------------------------------
 945
 946 void wxFont::SetPointSize(int pointSize)
 947 {
 948     AllocExclusive();
 949
 950     M_FONTDATA->Free();
 951     M_FONTDATA->SetPointSize(pointSize);
 952 }
 953
 954 void wxFont::SetPixelSize(const wxSize& pixelSize)
 955 {
 956     AllocExclusive();
 957
 958     M_FONTDATA->SetPixelSize(pixelSize);
 959 }
 960
 961 void wxFont::SetFamily(int family)
 962 {
 963     AllocExclusive();
 964
 965     M_FONTDATA->SetFamily(family);
 966 }
 967
 968 void wxFont::SetStyle(int style)
 969 {
 970     AllocExclusive();
 971
 972     M_FONTDATA->SetStyle(style);
 973 }
 974
 975 void wxFont::SetWeight(int weight)
 976 {
 977     AllocExclusive();
 978
 979     M_FONTDATA->SetWeight(weight);
 980 }
 981
 982 bool wxFont::SetFaceName(const wxString& faceName)
 983 {
 984     AllocExclusive();
 985
 986     if ( !M_FONTDATA->SetFaceName(faceName) )
 987         return false;
 988
 989     // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
 990     //     to retrieve a LOGFONT and then compare lf.lfFaceName
 991     //     with given facename is not reliable at all:
 992     //     Windows copies the facename given to ::CreateFontIndirect()
 993     //     without any validity check.
 994     //     Thus we use wxFontBase::SetFaceName to check if facename
 995     //     is valid...
 996     return wxFontBase::SetFaceName(faceName);
 997 }
 998
 999 void wxFont::SetUnderlined(bool underlined)
1000 {
1001     AllocExclusive();
1002
1003     M_FONTDATA->SetUnderlined(underlined);
1004 }
1005
1006 void wxFont::SetEncoding(wxFontEncoding encoding)
1007 {
1008     AllocExclusive();
1009
1010     M_FONTDATA->SetEncoding(encoding);
1011 }
1012
1013 void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
1014 {
1015     AllocExclusive();
1016
1017     M_FONTDATA->SetNativeFontInfo(info);
1018 }
1019
1020 // ----------------------------------------------------------------------------
1021 // accessors
1022 // ----------------------------------------------------------------------------
1023
1024 int wxFont::GetPointSize() const
1025 {
1026     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1027
1028     return M_FONTDATA->GetPointSize();
1029 }
1030
1031 wxSize wxFont::GetPixelSize() const
1032 {
1033     wxCHECK_MSG( Ok(), wxDefaultSize, wxT("invalid font") );
1034
1035     return M_FONTDATA->GetPixelSize();
1036 }
1037
1038 bool wxFont::IsUsingSizeInPixels() const
1039 {
1040     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1041
1042     return M_FONTDATA->IsUsingSizeInPixels();
1043 }
1044
1045 int wxFont::GetFamily() const
1046 {
1047     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1048
1049     return M_FONTDATA->GetFamily();
1050 }
1051
1052 int wxFont::GetStyle() const
1053 {
1054     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1055
1056     return M_FONTDATA->GetStyle();
1057 }
1058
1059 int wxFont::GetWeight() const
1060 {
1061     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
1062
1063     return M_FONTDATA->GetWeight();
1064 }
1065
1066 bool wxFont::GetUnderlined() const
1067 {
1068     wxCHECK_MSG( Ok(), false, wxT("invalid font") );
1069
1070     return M_FONTDATA->GetUnderlined();
1071 }
1072
1073 wxString wxFont::GetFaceName() const
1074 {
1075     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
1076
1077     return M_FONTDATA->GetFaceName();
1078 }
1079
1080 wxFontEncoding wxFont::GetEncoding() const
1081 {
1082     wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
1083
1084     return M_FONTDATA->GetEncoding();
1085 }
1086
1087 const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
1088 {
1089     return Ok() && M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
1090                                            : NULL;
1091 }
1092
1093 wxString wxFont::GetNativeFontInfoDesc() const
1094 {
1095     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
1096
1097     // be sure we have an HFONT associated...
1098     wxConstCast(this, wxFont)->RealizeResource();
1099     return wxFontBase::GetNativeFontInfoDesc();
1100 }
1101
1102 wxString wxFont::GetNativeFontInfoUserDesc() const
1103 {
1104     wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
1105
1106     // be sure we have an HFONT associated...
1107     wxConstCast(this, wxFont)->RealizeResource();
1108     return wxFontBase::GetNativeFontInfoUserDesc();
1109 }
1110
1111 bool wxFont::IsFixedWidth() const
1112 {
1113     if ( M_FONTDATA->HasNativeFontInfo() )
1114     {
1115         // the two low-order bits specify the pitch of the font, the rest is
1116         // family
1117         BYTE pitch =
1118             (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);
1119
1120         return pitch == FIXED_PITCH;
1121     }
1122
1123     return wxFontBase::IsFixedWidth();
1124 }