src/mac/carbon/font.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  13 #pragma implementation "font.h"
  14 #endif
  15
  16 #include "wx/defs.h"
  17 #include "wx/string.h"
  18 #include "wx/font.h"
  19 #include "wx/fontutil.h"
  20 #include "wx/gdicmn.h"
  21 #include "wx/utils.h"
  22
  23 #include "wx/fontutil.h"
  24
  25 #include "wx/mac/private.h"
  26 #include "ATSUnicode.h"
  27
  28 #if !USE_SHARED_LIBRARIES
  29 IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
  30 #endif
  31
  32 // ============================================================================
  33 // implementation
  34 // ============================================================================
  35
  36 // ----------------------------------------------------------------------------
  37 // wxFontRefData
  38 // ----------------------------------------------------------------------------
  39
  40 void wxFontRefData::Init(int pointSize,
  41                          int family,
  42                          int style,
  43                          int weight,
  44                          bool underlined,
  45                          const wxString& faceName,
  46                          wxFontEncoding encoding)
  47 {
  48     m_style = style;
  49     m_pointSize = pointSize;
  50     m_family = family;
  51     m_style = style;
  52     m_weight = weight;
  53     m_underlined = underlined;
  54     m_faceName = faceName;
  55     m_encoding = encoding;
  56
  57     m_macFontNum = 0 ;
  58     m_macFontSize = 0;
  59     m_macFontStyle = 0;
  60     m_fontId = 0;
  61     m_noAA = FALSE;
  62 }
  63
  64 wxFontRefData::~wxFontRefData()
  65 {
  66 }
  67
  68 void wxFontRefData::MacFindFont()
  69 {
  70     if( m_faceName.Length() == 0 )
  71     {
  72         switch( m_family )
  73         {
  74             case wxDEFAULT :
  75                 m_macFontNum = ::GetAppFont() ;
  76                 break ;
  77             case wxDECORATIVE :
  78                 ::GetFNum( "\pTimes" , &m_macFontNum) ;
  79                 break ;
  80             case wxROMAN :
  81                 ::GetFNum( "\pTimes" , &m_macFontNum) ;
  82                 break ;
  83             case wxSCRIPT :
  84                 ::GetFNum( "\pTimes" , &m_macFontNum) ;
  85                 break ;
  86             case wxSWISS :
  87                 ::GetFNum( "\pGeneva" , &m_macFontNum) ;
  88                 break ;
  89             case wxMODERN :
  90                 ::GetFNum( "\pMonaco" , &m_macFontNum) ;
  91                 break ;
  92         }
  93         Str255 name ;
  94         GetFontName( m_macFontNum , name ) ;
  95         m_faceName = wxMacMakeStringFromPascal( name ) ;
  96     }
  97     else
  98     {
  99         if ( m_faceName == wxT("systemfont") )
 100             m_macFontNum = ::GetSysFont() ;
 101         else if ( m_faceName == wxT("applicationfont") )
 102             m_macFontNum = ::GetAppFont() ;
 103         else
 104         {
 105             Str255 fontname ;
 106             wxMacStringToPascal( m_faceName , fontname ) ;
 107             ::GetFNum( fontname, &m_macFontNum);
 108         }
 109     }
 110
 111     m_macFontStyle = 0;
 112     if (m_weight == wxBOLD)
 113          m_macFontStyle |= bold;
 114     if (m_style == wxITALIC || m_style == wxSLANT)
 115         m_macFontStyle |= italic;
 116     if (m_underlined)
 117         m_macFontStyle |= underline;
 118     m_macFontSize = m_pointSize ;
 119
 120     //TODO:if we supply the style as an additional parameter we must make a testing
 121     //sequence in order to degrade gracefully while trying to maintain most of the style
 122     //information, meanwhile we just take the normal font and apply the features after
 123     OSStatus status = ::ATSUFONDtoFontID(m_macFontNum, normal /*qdStyle*/, (UInt32*)&m_macATSUFontID);
 124     /*
 125     status = ATSUFindFontFromName ( (Ptr) m_faceName , strlen( m_faceName ) ,
 126         kFontFullName,    kFontMacintoshPlatform, kFontRomanScript , kFontNoLanguage  ,  (UInt32*)&m_macATSUFontID ) ;
 127     */
 128     wxASSERT_MSG( status == noErr , wxT("couldn't retrieve font identifier") ) ;
 129 }
 130
 131 // ----------------------------------------------------------------------------
 132 // wxFont
 133 // ----------------------------------------------------------------------------
 134
 135 void wxFont::Init()
 136 {
 137 }
 138
 139 bool wxFont::Create(const wxNativeFontInfo& info)
 140 {
 141     return Create(info.pointSize, info.family, info.style, info.weight,
 142                   info.underlined, info.faceName, info.encoding);
 143 }
 144
 145 wxFont::wxFont(const wxString& fontdesc)
 146 {
 147     wxNativeFontInfo info;
 148     if ( info.FromString(fontdesc) )
 149         (void)Create(info);
 150 }
 151
 152 bool wxFont::Create(int pointSize,
 153                     int family,
 154                     int style,
 155                     int weight,
 156                     bool underlined,
 157                     const wxString& faceName,
 158                     wxFontEncoding encoding)
 159 {
 160     UnRef();
 161     m_refData = new wxFontRefData(pointSize, family, style, weight,
 162                                   underlined, faceName, encoding);
 163
 164     RealizeResource();
 165
 166     return TRUE;
 167 }
 168
 169 wxFont::~wxFont()
 170 {
 171 }
 172
 173 bool wxFont::RealizeResource()
 174 {
 175     M_FONTDATA->MacFindFont() ;
 176     return TRUE;
 177 }
 178
 179 void wxFont::SetEncoding(wxFontEncoding encoding)
 180 {
 181     Unshare();
 182
 183     M_FONTDATA->m_encoding = encoding;
 184
 185     RealizeResource();
 186 }
 187
 188 void wxFont::Unshare()
 189 {
 190     // Don't change shared data
 191     if (!m_refData)
 192     {
 193         m_refData = new wxFontRefData();
 194     }
 195     else
 196     {
 197         wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
 198         UnRef();
 199         m_refData = ref;
 200     }
 201 }
 202
 203 void wxFont::SetPointSize(int pointSize)
 204 {
 205     Unshare();
 206
 207     M_FONTDATA->m_pointSize = pointSize;
 208
 209     RealizeResource();
 210 }
 211
 212 void wxFont::SetFamily(int family)
 213 {
 214     Unshare();
 215
 216     M_FONTDATA->m_family = family;
 217
 218     RealizeResource();
 219 }
 220
 221 void wxFont::SetStyle(int style)
 222 {
 223     Unshare();
 224
 225     M_FONTDATA->m_style = style;
 226
 227     RealizeResource();
 228 }
 229
 230 void wxFont::SetWeight(int weight)
 231 {
 232     Unshare();
 233
 234     M_FONTDATA->m_weight = weight;
 235
 236     RealizeResource();
 237 }
 238
 239 void wxFont::SetFaceName(const wxString& faceName)
 240 {
 241     Unshare();
 242
 243     M_FONTDATA->m_faceName = faceName;
 244
 245     RealizeResource();
 246 }
 247
 248 void wxFont::SetUnderlined(bool underlined)
 249 {
 250     Unshare();
 251
 252     M_FONTDATA->m_underlined = underlined;
 253
 254     RealizeResource();
 255 }
 256
 257 void wxFont::SetNoAntiAliasing( bool no )
 258 {
 259     Unshare();
 260
 261     M_FONTDATA->SetNoAntiAliasing( no );
 262
 263     RealizeResource();
 264 }
 265
 266 // ----------------------------------------------------------------------------
 267 // accessors
 268 // ----------------------------------------------------------------------------
 269
 270 int wxFont::GetPointSize() const
 271 {
 272     return M_FONTDATA->m_pointSize;
 273 }
 274
 275 int wxFont::GetFamily() const
 276 {
 277     return M_FONTDATA->m_family;
 278 }
 279
 280 int wxFont::GetStyle() const
 281 {
 282     return M_FONTDATA->m_style;
 283 }
 284
 285 int wxFont::GetWeight() const
 286 {
 287     return M_FONTDATA->m_weight;
 288 }
 289
 290 bool wxFont::GetUnderlined() const
 291 {
 292     return M_FONTDATA->m_underlined;
 293 }
 294
 295 wxString wxFont::GetFaceName() const
 296 {
 297     wxString str;
 298     if ( M_FONTDATA )
 299         str = M_FONTDATA->m_faceName ;
 300     return str;
 301 }
 302
 303 wxFontEncoding wxFont::GetEncoding() const
 304 {
 305     return M_FONTDATA->m_encoding;
 306 }
 307
 308 bool wxFont::GetNoAntiAliasing()
 309 {
 310     return M_FONTDATA->m_noAA;
 311 }
 312