src/mac/carbon/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/mac/carbon/fontenum.cpp
   3 // Purpose:     wxFontEnumerator class for MacOS
   4 // Author:      Stefan Csomor
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Stefan Csomor
   9 // Licence:     wxWindows licence
  10 ///////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_FONTMAP
  16
  17 #include "wx/fontenum.h"
  18
  19 #ifndef WX_PRECOMP
  20     #include "wx/font.h"
  21     #include "wx/intl.h"
  22 #endif
  23
  24 #include "wx/fontutil.h"
  25 #include "wx/fontmap.h"
  26 #include "wx/encinfo.h"
  27
  28 #include "wx/mac/private.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // wxFontEnumerator
  32 // ----------------------------------------------------------------------------
  33
  34 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
  35                                           bool fixedWidthOnly)
  36 {
  37     //
  38     // From Apple's QA 1471 http://developer.apple.com/qa/qa2006/qa1471.html
  39     //
  40
  41     ATSFontFamilyIterator theFontFamilyIterator = NULL;
  42     ATSFontFamilyRef theATSFontFamilyRef = 0;
  43     OSStatus status = noErr;
  44
  45     wxArrayString fontFamilies ;
  46
  47     // Create the iterator
  48     status = ATSFontFamilyIteratorCreate(kATSFontContextLocal, nil,nil,
  49                                          kATSOptionFlagsUnRestrictedScope,
  50                                          &theFontFamilyIterator );
  51
  52     wxUint32 macEncoding = wxMacGetSystemEncFromFontEnc(encoding) ;
  53
  54     while (status == noErr)
  55     {
  56         // Get the next font in the iteration.
  57         status = ATSFontFamilyIteratorNext( theFontFamilyIterator, &theATSFontFamilyRef );
  58         if(status == noErr)
  59         {
  60  #ifndef __LP64__
  61             // TODO CS : Find replacement
  62             // added CS : avoid showing fonts that won't be displayable
  63             FMFontStyle intrinsicStyle = 0 ;
  64             FMFont fontInstance ;
  65             FMFontFamily fmFamily = FMGetFontFamilyFromATSFontFamilyRef( theATSFontFamilyRef );
  66             status = FMGetFontFromFontFamilyInstance( fmFamily , 0 , &fontInstance , &intrinsicStyle);
  67             if ( status != noErr )
  68             {
  69                 status = noErr;
  70                 continue ;
  71             }
  72 #endif
  73             if ( encoding != wxFONTENCODING_SYSTEM )
  74             {
  75                 TextEncoding fontFamiliyEncoding = ATSFontFamilyGetEncoding(theATSFontFamilyRef) ;
  76                 if ( fontFamiliyEncoding != macEncoding )
  77                     continue ;
  78             }
  79
  80             // TODO: determine fixed widths ...
  81
  82             CFStringRef theName = NULL;
  83             ATSFontFamilyGetName(theATSFontFamilyRef, kATSOptionFlagsDefault, &theName);
  84             wxMacCFStringHolder cfName(theName) ;
  85             fontFamilies.Add(cfName.AsString(wxLocale::GetSystemEncoding()));
  86         }
  87         else if (status == kATSIterationScopeModified) // Make sure the font database hasnÕt changed.
  88         {
  89             // reset the iterator
  90             status = ATSFontFamilyIteratorReset (kATSFontContextLocal, nil, nil,
  91                                                  kATSOptionFlagsUnRestrictedScope,
  92                                                  &theFontFamilyIterator);
  93             fontFamilies.Clear() ;
  94         }
  95     }
  96     ATSFontFamilyIteratorRelease(&theFontFamilyIterator);
  97
  98     for ( size_t i = 0 ; i < fontFamilies.Count() ; ++i )
  99     {
 100         if ( OnFacename( fontFamilies[i] ) == false )
 101             break ;
 102     }
 103
 104     return true;
 105 }
 106
 107 bool wxFontEnumerator::EnumerateEncodings(const wxString& family)
 108 {
 109     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 110
 111     return true;
 112 }
 113
 114 #endif // wxUSE_FONTMAP