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 #if wxOSX_USE_IPHONE
  35 extern CFArrayRef CopyAvailableFontFamilyNames();
  36 #endif
  37
  38 bool wxFontEnumerator::EnumerateFacenames(wxFontEncoding encoding,
  39                                           bool fixedWidthOnly)
  40 {
  41      wxArrayString fontFamilies ;
  42
  43     wxUint32 macEncoding = wxMacGetSystemEncFromFontEnc(encoding) ;
  44
  45 #if wxOSX_USE_CORE_TEXT
  46     {
  47         CFArrayRef cfFontFamilies = nil;
  48
  49 #if wxOSX_USE_COCOA_OR_CARBON
  50 #if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6)
  51         if ( UMAGetSystemVersion() >= 0x1060 )
  52             cfFontFamilies = CTFontManagerCopyAvailableFontFamilyNames();
  53         else
  54 #endif
  55         {
  56 #if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_6)
  57             //
  58             // From Apple's QA 1471 http://developer.apple.com/qa/qa2006/qa1471.html
  59             //
  60
  61             CFMutableArrayRef atsfontnames = CFArrayCreateMutable(kCFAllocatorDefault,0,&kCFTypeArrayCallBacks);;
  62
  63             ATSFontFamilyIterator theFontFamilyIterator = NULL;
  64             ATSFontFamilyRef theATSFontFamilyRef = 0;
  65             OSStatus status = noErr;
  66
  67             // Create the iterator
  68             status = ATSFontFamilyIteratorCreate(kATSFontContextLocal, nil,nil,
  69                                                  kATSOptionFlagsUnRestrictedScope,
  70                                                  &theFontFamilyIterator );
  71
  72             while (status == noErr)
  73             {
  74                 // Get the next font in the iteration.
  75                 status = ATSFontFamilyIteratorNext( theFontFamilyIterator, &theATSFontFamilyRef );
  76                 if(status == noErr)
  77                 {
  78                     CFStringRef theName = NULL;
  79                     ATSFontFamilyGetName(theATSFontFamilyRef, kATSOptionFlagsDefault, &theName);
  80                     CFArrayAppendValue(atsfontnames, theName);
  81                     CFRelease(theName);
  82
  83                 }
  84                 else if (status == kATSIterationScopeModified) // Make sure the font database hasn't changed.
  85                 {
  86                     // reset the iterator
  87                     status = ATSFontFamilyIteratorReset (kATSFontContextLocal, nil, nil,
  88                                                          kATSOptionFlagsUnRestrictedScope,
  89                                                          &theFontFamilyIterator);
  90                     CFArrayRemoveAllValues(atsfontnames);
  91                 }
  92             }
  93             ATSFontFamilyIteratorRelease(&theFontFamilyIterator);
  94             cfFontFamilies = atsfontnames;
  95 #endif
  96         }
  97 #elif wxOSX_USE_IPHONE
  98         cfFontFamilies = CopyAvailableFontFamilyNames();
  99 #endif
 100
 101         CFIndex count = CFArrayGetCount(cfFontFamilies);
 102         for(CFIndex i = 0; i < count; i++)
 103         {
 104             CFStringRef fontName = (CFStringRef)CFArrayGetValueAtIndex(cfFontFamilies, i);
 105
 106             if ( encoding != wxFONTENCODING_SYSTEM || fixedWidthOnly)
 107             {
 108                 wxCFRef<CTFontRef> font(CTFontCreateWithName(fontName, 12.0, NULL));
 109                 if ( encoding != wxFONTENCODING_SYSTEM )
 110                 {
 111                     CFStringEncoding fontFamiliyEncoding = CTFontGetStringEncoding(font);
 112                     if ( fontFamiliyEncoding != macEncoding )
 113                         continue;
 114                 }
 115
 116                 if ( fixedWidthOnly )
 117                 {
 118                     CTFontSymbolicTraits traits = CTFontGetSymbolicTraits(font);
 119                     if ( (traits & kCTFontMonoSpaceTrait) == 0 )
 120                         continue;
 121                 }
 122
 123             }
 124
 125             wxCFStringRef cfName(wxCFRetain(fontName)) ;
 126             fontFamilies.Add(cfName.AsString(wxLocale::GetSystemEncoding()));
 127         }
 128
 129         CFRelease(cfFontFamilies);
 130     }
 131 #endif
 132     for ( size_t i = 0 ; i < fontFamilies.Count() ; ++i )
 133     {
 134         if ( OnFacename( fontFamilies[i] ) == false )
 135             break ;
 136     }
 137
 138     return true;
 139 }
 140
 141 bool wxFontEnumerator::EnumerateEncodings(const wxString& WXUNUSED(family))
 142 {
 143     wxFAIL_MSG(wxT("wxFontEnumerator::EnumerateEncodings() not yet implemented"));
 144
 145     return true;
 146 }
 147
 148 #endif // wxUSE_FONTENUM