src/osx/carbon/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/carbon/font.cpp
   3 // Purpose:     wxFont class
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     1998-01-01
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/font.h"
  15
  16 #ifndef WX_PRECOMP
  17     #include "wx/string.h"
  18     #include "wx/utils.h"
  19     #include "wx/intl.h"
  20     #include "wx/gdicmn.h"
  21     #include "wx/log.h"
  22 #endif
  23
  24 #include "wx/fontutil.h"
  25 #include "wx/graphics.h"
  26 #include "wx/settings.h"
  27
  28 #if wxOSX_USE_CARBON
  29 #include "wx/osx/uma.h"
  30 #else
  31 #include "wx/osx/private.h"
  32 #endif
  33
  34 #include <map>
  35 #include <string>
  36
  37 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  38
  39
  40 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
  41 {
  42 public:
  43     wxFontRefData()
  44     {
  45         Init(10, wxDEFAULT, wxNORMAL, wxNORMAL,
  46              false, wxT("applicationfont"), wxFONTENCODING_DEFAULT);
  47     }
  48
  49     wxFontRefData(const wxFontRefData& data)
  50     {
  51         Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
  52              data.m_underlined, data.m_faceName, data.m_encoding);
  53     }
  54
  55     wxFontRefData(int size,
  56                   int family,
  57                   int style,
  58                   int weight,
  59                   bool underlined,
  60                   const wxString& faceName,
  61                   wxFontEncoding encoding)
  62     {
  63         Init(size, family, style, weight, underlined, faceName, encoding);
  64     }
  65
  66 #if wxOSX_USE_CORE_TEXT
  67     wxFontRefData( wxUint32 coreTextFontType );
  68     wxFontRefData( CTFontRef font );
  69     wxFontRefData( CTFontDescriptorRef fontdescriptor, int size );
  70 #endif
  71
  72     virtual ~wxFontRefData();
  73
  74     void SetNoAntiAliasing( bool no = true ) { m_noAA = no; }
  75
  76     bool GetNoAntiAliasing() const { return m_noAA; }
  77
  78     void SetPointSize( int size )
  79     {
  80         m_pointSize = size;
  81         MacInvalidateNativeFont();
  82     }
  83
  84     int GetPointSize() const { return m_pointSize; }
  85
  86     void SetFamily( int family )
  87     {
  88         m_family = family;
  89         MacInvalidateNativeFont();
  90     }
  91
  92
  93     int GetFamily() const { return m_family; }
  94
  95     void SetStyle( int style )
  96     {
  97         m_style = style;
  98         MacInvalidateNativeFont();
  99     }
 100
 101
 102     int GetStyle() const { return m_style; }
 103
 104     void SetWeight( int weight )
 105     {
 106         m_weight = weight;
 107         MacInvalidateNativeFont();
 108     }
 109
 110
 111     int GetWeight() const { return m_weight; }
 112
 113     void SetUnderlined( bool u )
 114     {
 115         m_underlined = u;
 116         MacInvalidateNativeFont();
 117     }
 118
 119     bool GetUnderlined() const { return m_underlined; }
 120
 121     void SetFaceName( const wxString& facename )
 122     {
 123         m_faceName = facename;
 124         MacInvalidateNativeFont();
 125     }
 126
 127     const wxString& GetFaceName() const { return m_faceName; }
 128
 129     void SetEncoding( wxFontEncoding encoding )
 130     {
 131         m_encoding = encoding;
 132         MacInvalidateNativeFont();
 133     }
 134
 135     wxFontEncoding GetEncoding() const { return m_encoding; }
 136
 137     void MacInvalidateNativeFont();
 138
 139     void MacFindFont();
 140
 141 protected:
 142     // common part of all ctors
 143     void Init(int size,
 144               int family,
 145               int style,
 146               int weight,
 147               bool underlined,
 148               const wxString& faceName,
 149               wxFontEncoding encoding);
 150
 151 #if wxOSX_USE_CORE_TEXT
 152     void Init( CTFontRef font );
 153 #endif
 154     // font characterstics
 155     int             m_pointSize;
 156     int             m_family;
 157     int             m_style;
 158     int             m_weight;
 159     bool            m_underlined;
 160     wxString        m_faceName;
 161     wxFontEncoding  m_encoding;
 162     bool            m_noAA;      // No anti-aliasing
 163
 164 public:
 165 #if wxOSX_USE_ATSU_TEXT
 166     FMFontFamily    m_macFontFamily;
 167     FMFontSize      m_macFontSize;
 168     FMFontStyle     m_macFontStyle;
 169
 170     // ATSU Font Information
 171
 172     // this is split into an ATSU font id that may
 173     // contain some styles (special bold fonts etc) and
 174     // these are the additional qd styles that are not
 175     // included in the ATSU font id
 176     ATSUFontID      m_macATSUFontID;
 177     FMFontStyle     m_macATSUAdditionalQDStyles ;
 178
 179     // for true themeing support we must store the correct font
 180     // information here, as this speeds up and optimizes rendering
 181     ThemeFontID     m_macThemeFontID ;
 182 #endif
 183 #if wxOSX_USE_CORE_TEXT
 184     wxCFRef<CTFontRef> m_ctFont;
 185     wxCFRef<CTFontDescriptorRef> m_ctFontDescriptor;
 186 #endif
 187 #if wxOSX_USE_CORE_TEXT || wxOSX_USE_ATSU_TEXT
 188     ATSUStyle       m_macATSUStyle ;
 189 #endif
 190     wxNativeFontInfo  m_info;
 191 };
 192
 193 #define M_FONTDATA ((wxFontRefData*)m_refData)
 194
 195
 196 // ============================================================================
 197 // implementation
 198 // ============================================================================
 199
 200 // ----------------------------------------------------------------------------
 201 // wxFontRefData
 202 // ----------------------------------------------------------------------------
 203
 204 void wxFontRefData::Init(int pointSize,
 205     int family,
 206     int style,
 207     int weight,
 208     bool underlined,
 209     const wxString& faceName,
 210     wxFontEncoding encoding)
 211 {
 212     m_style = style;
 213     m_pointSize = (pointSize == -1) ? wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT).GetPointSize() : pointSize;
 214     m_family = family;
 215     m_style = style;
 216     m_weight = weight;
 217     m_underlined = underlined;
 218     m_faceName = faceName;
 219     m_encoding = encoding;
 220     m_noAA = false;
 221 #if wxOSX_USE_ATSU_TEXT
 222     m_macFontFamily = 0 ;
 223     m_macFontSize = 0;
 224     m_macFontStyle = 0;
 225     m_macATSUFontID = 0;
 226     m_macATSUAdditionalQDStyles = 0 ;
 227     m_macThemeFontID = kThemeCurrentPortFont ;
 228 #endif
 229 #if wxOSX_USE_CORE_TEXT || wxOSX_USE_ATSU_TEXT
 230     m_macATSUStyle = NULL ;
 231 #endif
 232 }
 233
 234 wxFontRefData::~wxFontRefData()
 235 {
 236 #if wxOSX_USE_CORE_TEXT || wxOSX_USE_ATSU_TEXT
 237     if ( m_macATSUStyle )
 238     {
 239         ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
 240         m_macATSUStyle = NULL ;
 241     }
 242 #endif
 243 }
 244
 245 void wxFontRefData::MacInvalidateNativeFont()
 246 {
 247 #if wxOSX_USE_CORE_TEXT
 248     m_ctFont.reset();
 249     m_ctFontDescriptor.reset();
 250 #endif
 251 #if wxOSX_USE_CORE_TEXT || wxOSX_USE_ATSU_TEXT
 252     if ( m_macATSUStyle )
 253     {
 254         ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
 255         m_macATSUStyle = NULL ;
 256     }
 257 #endif
 258 }
 259
 260 #if wxOSX_USE_CORE_TEXT
 261
 262 /* from Core Text Manual Common Operations */
 263
 264 static CTFontDescriptorRef wxMacCreateCTFontDescriptor(CFStringRef iFamilyName, CTFontSymbolicTraits iTraits )
 265 {
 266     CTFontDescriptorRef descriptor = NULL;
 267     CFMutableDictionaryRef attributes;
 268
 269     assert(iFamilyName != NULL);
 270     // Create a mutable dictionary to hold our attributes.
 271     attributes = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
 272                                            &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 273     check(attributes != NULL);
 274
 275     if (attributes != NULL) {
 276         // Add a family name to our attributes.
 277         CFDictionaryAddValue(attributes, kCTFontFamilyNameAttribute, iFamilyName);
 278
 279
 280         if ( iTraits ) {
 281             CFMutableDictionaryRef traits;
 282             CFNumberRef symTraits;
 283
 284             // Create the traits dictionary.
 285             symTraits = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type,
 286                                        &iTraits);
 287             check(symTraits != NULL);
 288
 289             if (symTraits != NULL) {
 290                 // Create a dictionary to hold our traits values.
 291                 traits = CFDictionaryCreateMutable(kCFAllocatorDefault, 0,
 292                                                    &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
 293                 check(traits != NULL);
 294
 295                 if (traits != NULL) {
 296                     // Add the symbolic traits value to the traits dictionary.
 297                     CFDictionaryAddValue(traits, kCTFontSymbolicTrait, symTraits);
 298
 299                     // Add the traits attribute to our attributes.
 300                     CFDictionaryAddValue(attributes, kCTFontTraitsAttribute, traits);
 301                     CFRelease(traits);
 302                 }
 303                 CFRelease(symTraits);
 304             }
 305         }
 306         // Create the font descriptor with our attributes
 307         descriptor = CTFontDescriptorCreateWithAttributes(attributes);
 308         check(descriptor != NULL);
 309
 310         CFRelease(attributes);
 311     }
 312     // Return our font descriptor.
 313     return descriptor ;
 314 }
 315
 316 wxFontRefData::wxFontRefData( wxUint32 coreTextFontType )
 317 {
 318     CTFontRef font = CTFontCreateUIFontForLanguage( coreTextFontType, 0.0, NULL ) ;
 319     if ( CTFontGetSize(font) == 0 )
 320     {
 321         CFRelease(font);
 322         font = CTFontCreateUIFontForLanguage( coreTextFontType, 12.0, NULL );
 323     }
 324     Init( font );
 325 }
 326
 327 wxFontRefData::wxFontRefData( CTFontRef font )
 328 {
 329     Init( font );
 330 }
 331
 332 wxFontRefData::wxFontRefData( CTFontDescriptorRef fontdescriptor, int size )
 333 {
 334     if ( size == 0 )
 335     {
 336         wxCFRef< CFNumberRef > value( (CFNumberRef) CTFontDescriptorCopyAttribute( fontdescriptor, kCTFontSizeAttribute ) );
 337
 338         float fsize;
 339         if ( CFNumberGetValue( value , kCFNumberFloatType , &fsize ) )
 340         {
 341             size = (int) fsize + 0.5 ;
 342         }
 343     }
 344     Init( CTFontCreateWithFontDescriptor(fontdescriptor, size,NULL)  );
 345 }
 346
 347 void wxFontRefData::Init( CTFontRef font )
 348 {
 349     Init(10, wxDEFAULT, wxNORMAL, wxNORMAL,
 350          false, wxT("applicationfont"), wxFONTENCODING_DEFAULT);
 351
 352     m_ctFont.reset( font );
 353 }
 354
 355 #endif
 356
 357 void wxFontRefData::MacFindFont()
 358 {
 359
 360 #if wxOSX_USE_CORE_TEXT
 361     if (  UMAGetSystemVersion() >= 0x1050 )
 362     {
 363         if ( m_faceName.empty() && m_family == wxDEFAULT )
 364         {
 365             m_ctFont.reset(CTFontCreateUIFontForLanguage( kCTFontSystemFontType, 0.0, NULL ));
 366         }
 367
 368         if ( m_ctFont )
 369         {
 370             wxCFStringRef name( CTFontCopyFamilyName( m_ctFont ) );
 371             m_faceName = name.AsString();
 372             m_pointSize = CTFontGetSize(m_ctFont) ;
 373             CTFontSymbolicTraits traits = CTFontGetSymbolicTraits( m_ctFont );
 374             if ( traits & kCTFontItalicTrait )
 375                 m_style = wxITALIC;
 376             if (  traits & kCTFontBoldTrait )
 377                 m_weight = wxBOLD ;
 378             if ( !m_ctFontDescriptor.get() )
 379                 m_ctFontDescriptor.reset( CTFontCopyFontDescriptor( m_ctFont ) );
 380         }
 381         else
 382         {
 383             if ( m_faceName.empty() )
 384             {
 385                 switch ( m_family )
 386                 {
 387                     case wxSCRIPT :
 388                     case wxROMAN :
 389                     case wxDECORATIVE :
 390                         m_faceName = wxT("Times");
 391                         break ;
 392
 393                     case wxSWISS :
 394                         m_faceName =  wxT("Helvetica");
 395                         break ;
 396
 397                     case wxMODERN :
 398                     case wxTELETYPE:
 399                         m_faceName =  wxT("Courier");
 400                         break ;
 401
 402                     default:
 403                         m_faceName =  wxT("Times");
 404                         break ;
 405                 }
 406             }
 407
 408
 409             CTFontSymbolicTraits traits = 0;
 410
 411             if (m_weight == wxBOLD)
 412                 traits |= kCTFontBoldTrait;
 413             if (m_style == wxITALIC || m_style == wxSLANT)
 414                 traits |= kCTFontItalicTrait;
 415
 416 // use font descriptor caching
 417 #if 0
 418             wxString lookupname = wxString::Format( "%s_%ld", m_faceName.c_str(), traits );
 419
 420             static std::map< std::wstring , wxCFRef< CTFontDescriptorRef > > fontdescriptorcache ;
 421
 422             m_ctFontDescriptor = fontdescriptorcache[ std::wstring(lookupname.wc_str()) ];
 423             if ( !m_ctFontDescriptor )
 424             {
 425                 wxCFStringRef cf( m_faceName, wxLocale::GetSystemEncoding() );
 426                 m_ctFontDescriptor.reset( wxMacCreateCTFontDescriptor( cf, traits ) );
 427                 fontdescriptorcache[ std::wstring(lookupname.wc_str()) ] = m_ctFontDescriptor;
 428             }
 429 #else
 430             wxCFStringRef cf( m_faceName, wxLocale::GetSystemEncoding() );
 431             m_ctFontDescriptor.reset( wxMacCreateCTFontDescriptor( cf, traits ) );
 432 #endif
 433
 434 // use font caching
 435 #if 0
 436             wxString lookupnameWithSize = wxString::Format( "%s_%ld_%ld", m_faceName.c_str(), traits, m_pointSize );
 437
 438             static std::map< std::wstring , wxCFRef< CTFontRef > > fontcache ;
 439             m_ctFont = fontcache[ std::wstring(lookupnameWithSize.wc_str()) ];
 440             if ( !m_ctFont )
 441             {
 442                 m_ctFont.reset( CTFontCreateWithFontDescriptor( m_ctFontDescriptor, m_pointSize, NULL ) );
 443                 fontcache[ std::wstring(lookupnameWithSize.wc_str()) ] = m_ctFont;
 444             }
 445 #else
 446             m_ctFont.reset( CTFontCreateWithFontDescriptor( m_ctFontDescriptor, m_pointSize, NULL ) );
 447 #endif
 448             if ( /* (CTFontGetSymbolicTraits( m_ctFont ) & 0x03) !=*/ traits )
 449             {
 450                 CTFontRef font = CTFontCreateWithName( cf, m_pointSize,  NULL );
 451                 CTFontRef font2 = CTFontCreateCopyWithSymbolicTraits( font, m_pointSize, NULL, traits, 0x03 );
 452                 CFRelease(font);
 453                 m_ctFont.reset( font2 );
 454                 if ( (CTFontGetSymbolicTraits( m_ctFont ) & 0x03) != traits )
 455                 {
 456                     wxMessageBox( wxString::Format( "expected %d but got %d traits" , traits, (CTFontGetSymbolicTraits( m_ctFont ) & 0x03) ) );
 457                 }
 458             }
 459         }
 460 #if wxOSX_USE_ATSU_TEXT
 461         OSStatus status = noErr;
 462         CTFontDescriptorRef desc = m_ctFontDescriptor ;
 463         ATSFontRef atsfont = CTFontGetPlatformFont( m_ctFont, &desc );
 464         FMFont fmfont = FMGetFontFromATSFontRef( atsfont );
 465         ATSUAttributeTag atsuTags[] =
 466         {
 467             kATSUFontTag ,
 468             kATSUSizeTag ,
 469             kATSUVerticalCharacterTag,
 470             kATSUQDBoldfaceTag ,
 471             kATSUQDItalicTag ,
 472             kATSUQDUnderlineTag ,
 473         };
 474         ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 475         {
 476             sizeof( ATSUFontID ) ,
 477             sizeof( Fixed ) ,
 478             sizeof( ATSUVerticalCharacterType),
 479             sizeof( Boolean ) ,
 480             sizeof( Boolean ) ,
 481             sizeof( Boolean ) ,
 482         };
 483         Boolean kTrue = true ;
 484         Boolean kFalse = false ;
 485
 486         Fixed atsuSize = IntToFixed( m_pointSize );
 487         ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
 488         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 489         {
 490             &fmfont ,
 491             &atsuSize ,
 492             &kHorizontal,
 493             (m_weight == wxBOLD) ? &kTrue : &kFalse ,
 494             (m_style == wxITALIC || m_style == wxSLANT) ? &kTrue : &kFalse ,
 495             (m_underlined) ? &kTrue : &kFalse ,
 496         };
 497
 498         if ( m_macATSUStyle )
 499         {
 500             ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
 501             m_macATSUStyle = NULL ;
 502         }
 503         status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUStyle);
 504         wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") );
 505         status = ::ATSUSetAttributes(
 506                                      (ATSUStyle)m_macATSUStyle,
 507                                      sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
 508                                      atsuTags, atsuSizes, atsuValues);
 509 #endif
 510     }
 511 #endif
 512 #if wxOSX_USE_ATSU_TEXT
 513     {
 514         OSStatus status = noErr;
 515         Str255 qdFontName ;
 516         if ( m_macThemeFontID != kThemeCurrentPortFont )
 517         {
 518             Style style ;
 519             GetThemeFont( m_macThemeFontID, GetApplicationScript(), qdFontName, &m_macFontSize, &style );
 520             if ( m_macFontSize == 0 )
 521                 m_macFontSize = 12;
 522             m_macFontStyle = style ;
 523             m_faceName = wxMacMakeStringFromPascal( qdFontName );
 524             if ( m_macFontStyle & bold )
 525                 m_weight = wxBOLD ;
 526             else
 527                 m_weight = wxNORMAL ;
 528             if ( m_macFontStyle & italic )
 529                 m_style = wxITALIC ;
 530             if ( m_macFontStyle & underline )
 531                 m_underlined = true ;
 532             m_pointSize = m_macFontSize ;
 533             m_macFontFamily = FMGetFontFamilyFromName( qdFontName );
 534         }
 535         else
 536         {
 537             if ( m_faceName.empty() )
 538             {
 539                 if ( m_family == wxDEFAULT )
 540                 {
 541                     m_macFontFamily = GetAppFont();
 542                     FMGetFontFamilyName(m_macFontFamily,qdFontName);
 543                     m_faceName = wxMacMakeStringFromPascal( qdFontName );
 544                 }
 545                 else
 546                 {
 547                     switch ( m_family )
 548                     {
 549                         case wxSCRIPT :
 550                         case wxROMAN :
 551                         case wxDECORATIVE :
 552                             m_faceName = wxT("Times");
 553                             break ;
 554
 555                         case wxSWISS :
 556                             m_faceName =  wxT("Helvetica");
 557                             break ;
 558
 559                         case wxMODERN :
 560                         case wxTELETYPE:
 561                             m_faceName =  wxT("Courier");
 562                             break ;
 563
 564                         default:
 565                             m_faceName =  wxT("Times");
 566                             break ;
 567                     }
 568                     wxMacStringToPascal( m_faceName , qdFontName );
 569                     m_macFontFamily = FMGetFontFamilyFromName( qdFontName );
 570                     if ( m_macFontFamily == kInvalidFontFamily )
 571                     {
 572                         wxLogDebug( wxT("ATSFontFamilyFindFromName failed for %s"), m_faceName.c_str() );
 573                         m_macFontFamily = GetAppFont();
 574                     }
 575                 }
 576             }
 577             else
 578             {
 579                 if ( m_faceName == wxT("systemfont") )
 580                     m_macFontFamily = GetSysFont();
 581                 else if ( m_faceName == wxT("applicationfont") )
 582                     m_macFontFamily = GetAppFont();
 583                 else
 584                 {
 585                     wxCFStringRef cf( m_faceName, wxLocale::GetSystemEncoding() );
 586                     ATSFontFamilyRef atsfamily = ATSFontFamilyFindFromName( cf , kATSOptionFlagsDefault );
 587                     if ( atsfamily == (ATSFontFamilyRef) -1 )
 588                     {
 589                         wxLogDebug( wxT("ATSFontFamilyFindFromName failed for ") + m_faceName );
 590                         m_macFontFamily = GetAppFont();
 591                     }
 592                     else
 593                         m_macFontFamily = FMGetFontFamilyFromATSFontFamilyRef( atsfamily );
 594                 }
 595             }
 596
 597             m_macFontStyle = 0;
 598             if (m_weight == wxBOLD)
 599                 m_macFontStyle |= bold;
 600             if (m_style == wxITALIC || m_style == wxSLANT)
 601                 m_macFontStyle |= italic;
 602             if (m_underlined)
 603                 m_macFontStyle |= underline;
 604             m_macFontSize = m_pointSize ;
 605         }
 606
 607         // we try to get as much styles as possible into ATSU
 608
 609
 610         // ATSUFontID and FMFont are equivalent
 611         FMFontStyle intrinsicStyle = 0 ;
 612         status = FMGetFontFromFontFamilyInstance( m_macFontFamily , m_macFontStyle , &m_macATSUFontID , &intrinsicStyle);
 613         wxASSERT_MSG( status == noErr , wxT("couldn't get an ATSUFont from font family") );
 614         m_macATSUAdditionalQDStyles = m_macFontStyle & (~intrinsicStyle );
 615
 616         if ( m_macATSUStyle )
 617         {
 618             ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
 619             m_macATSUStyle = NULL ;
 620         }
 621
 622         status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUStyle);
 623         wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") );
 624
 625         ATSUAttributeTag atsuTags[] =
 626         {
 627             kATSUFontTag ,
 628             kATSUSizeTag ,
 629             kATSUVerticalCharacterTag,
 630             kATSUQDBoldfaceTag ,
 631             kATSUQDItalicTag ,
 632             kATSUQDUnderlineTag ,
 633             kATSUQDCondensedTag ,
 634             kATSUQDExtendedTag ,
 635         };
 636         ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 637         {
 638             sizeof( ATSUFontID ) ,
 639             sizeof( Fixed ) ,
 640             sizeof( ATSUVerticalCharacterType),
 641             sizeof( Boolean ) ,
 642             sizeof( Boolean ) ,
 643             sizeof( Boolean ) ,
 644             sizeof( Boolean ) ,
 645             sizeof( Boolean ) ,
 646         };
 647
 648         Boolean kTrue = true ;
 649         Boolean kFalse = false ;
 650
 651         Fixed atsuSize = IntToFixed( m_macFontSize );
 652         ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
 653         ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
 654         {
 655             &m_macATSUFontID ,
 656             &atsuSize ,
 657             &kHorizontal,
 658             (m_macATSUAdditionalQDStyles & bold) ? &kTrue : &kFalse ,
 659             (m_macATSUAdditionalQDStyles & italic) ? &kTrue : &kFalse ,
 660             (m_macATSUAdditionalQDStyles & underline) ? &kTrue : &kFalse ,
 661             (m_macATSUAdditionalQDStyles & condense) ? &kTrue : &kFalse ,
 662             (m_macATSUAdditionalQDStyles & extend) ? &kTrue : &kFalse ,
 663         };
 664
 665         status = ::ATSUSetAttributes(
 666                                      (ATSUStyle)m_macATSUStyle,
 667                                      sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
 668                                      atsuTags, atsuSizes, atsuValues);
 669
 670         wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") );
 671         return;
 672     }
 673 #endif
 674 }
 675
 676 // ----------------------------------------------------------------------------
 677 // wxFont
 678 // ----------------------------------------------------------------------------
 679
 680 bool wxFont::Create(const wxNativeFontInfo& info)
 681 {
 682     return Create(
 683         info.pointSize, info.family, info.style, info.weight,
 684         info.underlined, info.faceName, info.encoding );
 685 }
 686
 687 wxFont::wxFont(const wxString& fontdesc)
 688 {
 689     wxNativeFontInfo info;
 690     if ( info.FromString(fontdesc) )
 691         (void)Create(info);
 692 }
 693
 694 bool wxFont::Create(int pointSize,
 695     int family,
 696     int style,
 697     int weight,
 698     bool underlined,
 699     const wxString& faceName,
 700     wxFontEncoding encoding)
 701 {
 702     UnRef();
 703
 704     m_refData = new wxFontRefData(
 705         pointSize, family, style, weight,
 706         underlined, faceName, encoding);
 707
 708     RealizeResource();
 709
 710     return true;
 711 }
 712
 713 #if wxOSX_USE_CORE_TEXT
 714
 715 bool wxFont::MacCreateFromUIFont(wxUint32 ctFontType )
 716 {
 717     UnRef();
 718
 719     m_refData = new wxFontRefData(ctFontType);
 720     RealizeResource();
 721
 722     return true;
 723 }
 724
 725 bool wxFont::MacCreateFromCTFontDescriptor( const void * ctFontDescriptor , int size )
 726 {
 727     UnRef();
 728
 729     m_refData = new wxFontRefData((CTFontDescriptorRef)ctFontDescriptor, size);;
 730     RealizeResource();
 731
 732     return true;
 733 }
 734
 735
 736 #endif
 737
 738 #if wxOSX_USE_CARBON
 739 bool wxFont::MacCreateFromThemeFont(wxUint16 themeFontID)
 740 {
 741 #if wxOSX_USE_CORE_TEXT
 742     if ( UMAGetSystemVersion() >= 0x1050)
 743     {
 744         return MacCreateFromUIFont(HIThemeGetUIFontType(themeFontID));
 745     }
 746 #endif
 747 #if wxOSX_USE_ATSU_TEXT
 748     {
 749         UnRef();
 750
 751         m_refData = new wxFontRefData(
 752                                       12, wxDEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
 753                                       false, wxEmptyString, wxFONTENCODING_DEFAULT );
 754
 755         M_FONTDATA->m_macThemeFontID = themeFontID ;
 756         RealizeResource();
 757         return true;
 758     }
 759 #endif
 760     return false;
 761 }
 762 #endif
 763
 764 wxFont::~wxFont()
 765 {
 766 }
 767
 768 bool wxFont::RealizeResource()
 769 {
 770     M_FONTDATA->MacFindFont();
 771
 772     return true;
 773 }
 774
 775 void wxFont::SetEncoding(wxFontEncoding encoding)
 776 {
 777     Unshare();
 778
 779     M_FONTDATA->SetEncoding( encoding );
 780
 781     RealizeResource();
 782 }
 783
 784 void wxFont::Unshare()
 785 {
 786     // Don't change shared data
 787     if (!m_refData)
 788     {
 789         m_refData = new wxFontRefData();
 790     }
 791     else
 792     {
 793         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 794         UnRef();
 795         m_refData = ref;
 796     }
 797 }
 798
 799 wxGDIRefData *wxFont::CreateGDIRefData() const
 800 {
 801     return new wxFontRefData;
 802 }
 803
 804 wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
 805 {
 806     return new wxFontRefData(*wx_static_cast(const wxFontRefData *, data));
 807 }
 808
 809 void wxFont::SetPointSize(int pointSize)
 810 {
 811     if ( M_FONTDATA->GetPointSize() == pointSize )
 812         return;
 813
 814     Unshare();
 815
 816     M_FONTDATA->SetPointSize( pointSize );
 817
 818     RealizeResource();
 819 }
 820
 821 void wxFont::SetFamily(int family)
 822 {
 823     Unshare();
 824
 825     M_FONTDATA->SetFamily( family );
 826
 827     RealizeResource();
 828 }
 829
 830 void wxFont::SetStyle(int style)
 831 {
 832     Unshare();
 833
 834     M_FONTDATA->SetStyle( style );
 835
 836     RealizeResource();
 837 }
 838
 839 void wxFont::SetWeight(int weight)
 840 {
 841     Unshare();
 842
 843     M_FONTDATA->SetWeight( weight );
 844
 845     RealizeResource();
 846 }
 847
 848 bool wxFont::SetFaceName(const wxString& faceName)
 849 {
 850     Unshare();
 851
 852     M_FONTDATA->SetFaceName( faceName );
 853
 854     RealizeResource();
 855
 856     return wxFontBase::SetFaceName(faceName);
 857 }
 858
 859 void wxFont::SetUnderlined(bool underlined)
 860 {
 861     Unshare();
 862
 863     M_FONTDATA->SetUnderlined( underlined );
 864
 865     RealizeResource();
 866 }
 867
 868 void wxFont::SetNoAntiAliasing( bool no )
 869 {
 870     Unshare();
 871
 872     M_FONTDATA->SetNoAntiAliasing( no );
 873
 874     RealizeResource();
 875 }
 876
 877 // ----------------------------------------------------------------------------
 878 // accessors
 879 // ----------------------------------------------------------------------------
 880
 881 // TODO: insert checks everywhere for M_FONTDATA == NULL!
 882
 883 int wxFont::GetPointSize() const
 884 {
 885     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 886
 887     return M_FONTDATA->GetPointSize();
 888 }
 889
 890 wxSize wxFont::GetPixelSize() const
 891 {
 892 #if wxUSE_GRAPHICS_CONTEXT
 893     // TODO: consider caching the value
 894     wxGraphicsContext* dc = wxGraphicsContext::CreateFromNative((CGContextRef) NULL);
 895     dc->SetFont(*(wxFont *)this,*wxBLACK);
 896     wxDouble width, height = 0;
 897     dc->GetTextExtent( wxT("g"), &width, &height, NULL, NULL);
 898     delete dc;
 899     return wxSize((int)width, (int)height);
 900 #else
 901     return wxFontBase::GetPixelSize();
 902 #endif
 903 }
 904
 905 int wxFont::GetFamily() const
 906 {
 907     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 908
 909     return M_FONTDATA->GetFamily();
 910 }
 911
 912 int wxFont::GetStyle() const
 913 {
 914     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 915
 916     return M_FONTDATA->GetStyle() ;
 917 }
 918
 919 int wxFont::GetWeight() const
 920 {
 921     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 922
 923     return M_FONTDATA->GetWeight();
 924 }
 925
 926 bool wxFont::GetUnderlined() const
 927 {
 928     wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
 929
 930     return M_FONTDATA->GetUnderlined();
 931 }
 932
 933 wxString wxFont::GetFaceName() const
 934 {
 935     wxCHECK_MSG( M_FONTDATA != NULL , wxEmptyString , wxT("invalid font") );
 936
 937     return M_FONTDATA->GetFaceName() ;
 938 }
 939
 940 wxFontEncoding wxFont::GetEncoding() const
 941 {
 942     wxCHECK_MSG( M_FONTDATA != NULL , wxFONTENCODING_DEFAULT , wxT("invalid font") );
 943
 944     return M_FONTDATA->GetEncoding() ;
 945 }
 946
 947 bool wxFont::GetNoAntiAliasing() const
 948 {
 949     wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
 950
 951     return M_FONTDATA->GetNoAntiAliasing();
 952 }
 953
 954 #if wxOSX_USE_ATSU_TEXT
 955
 956 short wxFont::MacGetFontNum() const
 957 {
 958     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 959
 960     return M_FONTDATA->m_macFontFamily;
 961 }
 962
 963 short wxFont::MacGetFontSize() const
 964 {
 965     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 966
 967     return M_FONTDATA->m_macFontSize;
 968 }
 969
 970 wxByte wxFont::MacGetFontStyle() const
 971 {
 972     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 973
 974     return M_FONTDATA->m_macFontStyle;
 975 }
 976
 977 wxUint32 wxFont::MacGetATSUFontID() const
 978 {
 979     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 980
 981     return M_FONTDATA->m_macATSUFontID;
 982 }
 983
 984 wxUint32 wxFont::MacGetATSUAdditionalQDStyles() const
 985 {
 986     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 987
 988     return M_FONTDATA->m_macATSUAdditionalQDStyles;
 989 }
 990
 991 wxUint16 wxFont::MacGetThemeFontID() const
 992 {
 993     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
 994
 995     return M_FONTDATA->m_macThemeFontID;
 996 }
 997 #endif
 998
 999 #if wxOSX_USE_CORE_TEXT || wxOSX_USE_ATSU_TEXT
1000 void * wxFont::MacGetATSUStyle() const
1001 {
1002     wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
1003
1004     return M_FONTDATA->m_macATSUStyle;
1005 }
1006 #endif
1007
1008 #if wxOSX_USE_CORE_TEXT
1009
1010 const void * wxFont::MacGetCTFont() const
1011 {
1012     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
1013
1014     return (CTFontRef)(M_FONTDATA->m_ctFont);
1015 }
1016
1017 const void * wxFont::MacGetCTFontDescriptor() const
1018 {
1019     wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
1020
1021     return (CTFontDescriptorRef)(M_FONTDATA->m_ctFontDescriptor);
1022 }
1023
1024 #endif
1025
1026 const wxNativeFontInfo * wxFont::GetNativeFontInfo() const
1027 {
1028     wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
1029     wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
1030
1031     M_FONTDATA->m_info.InitFromFont(*this);
1032
1033     return &(M_FONTDATA->m_info);
1034 }