src/osx/core/fontenum.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/osx/core/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_FONTENUM
  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/osx/private.h"
  29
  30 // ----------------------------------------------------------------------------
  31 // wxFontEnumerator
  32 // ----------------------------------------------------------------------------
  33
  34 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
  35                                           bool fixedWidthOnly)
  36 {
  37      wxArrayString fontFamilies ;
  38
  39     wxUint32 macEncoding = wxMacGetSystemEncFromFontEnc(encoding) ;
  40
  41 #if wxOSX_USE_CORE_TEXT
  42     {
  43         CFArrayRef cfFontFamilies = nil;
  44
  45 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
  46         if ( UMAGetSystemVersion() >= 0x1060 )
  47             cfFontFamilies = CTFontManagerCopyAvailableFontFamilyNames();
  48         else
  49 #endif
  50         {
  51 #if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6) && wxOSX_USE_ATSU_TEXT
  52             //
  53             // From Apple's QA 1471 http://developer.apple.com/qa/qa2006/qa1471.html
  54             //
  55
  56             CFMutableArrayRef atsfontnames = CFArrayCreateMutable(kCFAllocatorDefault,0,&kCFTypeArrayCallBacks);;
  57
  58             ATSFontFamilyIterator theFontFamilyIterator = NULL;
  59             ATSFontFamilyRef theATSFontFamilyRef = 0;
  60             OSStatus status = noErr;
  61
  62             // Create the iterator
  63             status = ATSFontFamilyIteratorCreate(kATSFontContextLocal, nil,nil,
  64                                                  kATSOptionFlagsUnRestrictedScope,
  65                                                  &theFontFamilyIterator );
  66
  67             while (status == noErr)
  68             {
  69                 // Get the next font in the iteration.
  70                 status = ATSFontFamilyIteratorNext( theFontFamilyIterator, &theATSFontFamilyRef );
  71                 if(status == noErr)
  72                 {
  73                     CFStringRef theName = NULL;
  74                     ATSFontFamilyGetName(theATSFontFamilyRef, kATSOptionFlagsDefault, &theName);
  75                     CFArrayAppendValue(atsfontnames, theName);
  76                     CFRelease(theName);
  77
  78                 }
  79                 else if (status == kATSIterationScopeModified) // Make sure the font database hasn't changed.
  80                 {
  81                     // reset the iterator
  82                     status = ATSFontFamilyIteratorReset (kATSFontContextLocal, nil, nil,
  83                                                          kATSOptionFlagsUnRestrictedScope,
  84                                                          &theFontFamilyIterator);
  85                     CFArrayRemoveAllValues(atsfontnames);
  86                 }
  87             }
  88             ATSFontFamilyIteratorRelease(&theFontFamilyIterator);
  89             cfFontFamilies = atsfontnames;
  90 #endif
  91         }
  92
  93         CFIndex count = CFArrayGetCount(cfFontFamilies);
  94         for(CFIndex i = 0; i < count; i++)
  95         {
  96             CFStringRef fontName = (CFStringRef)CFArrayGetValueAtIndex(cfFontFamilies, i);
  97
  98             if ( encoding != wxFONTENCODING_SYSTEM || fixedWidthOnly)
  99             {
 100                 wxCFRef<CTFontRef> font(CTFontCreateWithName(fontName, 12.0, NULL));
 101                 if ( encoding != wxFONTENCODING_SYSTEM )
 102                 {
 103                     CFStringEncoding fontFamiliyEncoding = CTFontGetStringEncoding(font);
 104                     if ( fontFamiliyEncoding != macEncoding )
 105                         continue;
 106                 }
 107
 108                 if ( fixedWidthOnly )
 109                 {
 110                     CTFontSymbolicTraits traits = CTFontGetSymbolicTraits(font);
 111                     if ( (traits & kCTFontMonoSpaceTrait) == 0 )
 112                         continue;
 113                 }
 114
 115             }
 116
 117             wxCFStringRef cfName(wxCFRetain(fontName)) ;
 118             fontFamilies.Add(cfName.AsString(wxLocale::GetSystemEncoding()));
 119         }
 120
 121         CFRelease(cfFontFamilies);
 122     }
 123 #endif
 124     for ( size_t i = 0 ; i < fontFamilies.Count() ; ++i )
 125     {
 126         if ( OnFacename( fontFamilies[i] ) == false )
 127             break ;
 128     }
 129
 130     return true;
 131 }
 132
 133 bool wxFontEnumerator::EnumerateEncodings(const wxString& WXUNUSED(family))
 134 {
 135     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 136
 137     return true;
 138 }
 139
 140 #endif // wxUSE_FONTENUM