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Invalidate only the specified rectangle
[wxWidgets.git] / src / gtk / font.cpp
diff --git a/src/gtk/font.cpp b/src/gtk/font.cpp
index 72348fda2c41a01106ceff5aae2a082580a8115a..7f77a346fc0628455fc650f4c750e13f7f4b9553 100644 (file)
--- a/src/gtk/font.cpp
+++ b/src/gtk/font.cpp
@@ -1,9 +1,9 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        font.cpp
+// Name:        src/gtk/font.cpp
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
 // Purpose:
 // Author:      Robert Roebling
 // Id:          $Id$
-// Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Robert Roebling and Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
@@ -15,218 +15,379 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
 
 #include "wx/font.h"
 
 #include "wx/font.h"
-#include "wx/utils.h"
-#include "wx/log.h"
-#include "wx/gdicmn.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/settings.h"
+    #include "wx/cmndata.h"
+    #include "wx/gdicmn.h"
+#endif
+
+#include "wx/fontutil.h"
 #include "wx/tokenzr.h"
 
 #include "wx/tokenzr.h"
 
-#include <strings.h>
+#include "wx/gtk/private.h"
 
 
-#include "gdk/gdk.h"
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the default size (in points) for the fonts
+static const int wxDEFAULT_FONT_SIZE = 12;
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
-class wxFontRefData : public wxObjectRefData
+class wxFontRefData : public wxGDIRefData
 {
 public:
 {
 public:
-    wxFontRefData(int size = wxDEFAULT,
-                  int family = wxDEFAULT,
-                  int style = wxDEFAULT,
-                  int weight = wxDEFAULT,
-                  bool underlined = FALSE,
+    // from broken down font parameters, also default ctor
+    wxFontRefData(int size = -1,
+                  wxFontFamily family = wxFONTFAMILY_DEFAULT,
+                  wxFontStyle style = wxFONTSTYLE_NORMAL,
+                  wxFontWeight weight = wxFONTWEIGHT_NORMAL,
+                  bool underlined = false,
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
                   const wxString& faceName = wxEmptyString,
                   wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
+
+    // from XFLD
+    wxFontRefData(const wxString& fontname);
+
+    // copy ctor
     wxFontRefData( const wxFontRefData& data );
     wxFontRefData( const wxFontRefData& data );
+
     virtual ~wxFontRefData();
 
     virtual ~wxFontRefData();
 
+    // do we have the native font info?
+    bool HasNativeFont() const
+    {
+        // we always have a Pango font description
+        return true;
+    }
+
+    // setters: all of them also take care to modify m_nativeFontInfo if we
+    // have it so as to not lose the information not carried by our fields
+    void SetPointSize(int pointSize);
+    void SetFamily(wxFontFamily family);
+    void SetStyle(wxFontStyle style);
+    void SetWeight(wxFontWeight weight);
+    void SetUnderlined(bool underlined);
+    bool SetFaceName(const wxString& facename);
+    void SetEncoding(wxFontEncoding encoding);
+
+    void SetNoAntiAliasing( bool no = true ) { m_noAA = no; }
+    bool GetNoAntiAliasing() const { return m_noAA; }
+
+    // and this one also modifies all the other font data fields
+    void SetNativeFontInfo(const wxNativeFontInfo& info);
+
 protected:
     // common part of all ctors
     void Init(int pointSize,
 protected:
     // common part of all ctors
     void Init(int pointSize,
-              int family,
-              int style,
-              int weight,
+              wxFontFamily family,
+              wxFontStyle style,
+              wxFontWeight weight,
               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
+    // set all fields from (already initialized and valid) m_nativeFontInfo
+    void InitFromNative();
+
 private:
 private:
-    wxList          m_scaled_xfonts;
+    // clear m_scaled_xfonts if any
+    void ClearGdkFonts();
+
     int             m_pointSize;
     int             m_pointSize;
-    int             m_family,
-                    m_style,
-                    m_weight;
+    wxFontFamily    m_family;
+    wxFontStyle     m_style;
+    wxFontWeight    m_weight;
     bool            m_underlined;
     wxString        m_faceName;
     wxFontEncoding  m_encoding;
     bool            m_underlined;
     wxString        m_faceName;
     wxFontEncoding  m_encoding;
+    bool            m_noAA;      // No anti-aliasing
 
 
-    friend wxFont;
+    // The native font info, basicly an XFLD under GTK 1.2 and
+    // the pango font description under GTK 2.0.
+    wxNativeFontInfo m_nativeFontInfo;
+
+    friend class wxFont;
 };
 
 };
 
-// ============================================================================
-// implementation
-// ============================================================================
+#define M_FONTDATA ((wxFontRefData*)m_refData)
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
 
 // ----------------------------------------------------------------------------
 // wxFontRefData
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
-                         int family,
-                         int style,
-                         int weight,
+                         wxFontFamily family,
+                         wxFontStyle style,
+                         wxFontWeight weight,
                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)
 {
                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)
 {
-    if (family == wxDEFAULT)
-        m_family = wxSWISS;
-    else
-        m_family = family;
+    m_family = family == wxFONTFAMILY_DEFAULT ? wxFONTFAMILY_SWISS : family;
 
     m_faceName = faceName;
 
 
     m_faceName = faceName;
 
-    if (style == wxDEFAULT)
-        m_style = wxNORMAL;
-    else
-        m_style = style;
+    // we accept both wxDEFAULT and wxNORMAL here - should we?
+    m_style = style == wxDEFAULT ? wxFONTSTYLE_NORMAL : style;
+    m_weight = weight == wxDEFAULT ? wxFONTWEIGHT_NORMAL : weight;
+
+    // and here, do we really want to forbid creation of the font of the size
+    // 90 (the value of wxDEFAULT)??
+    m_pointSize = pointSize == wxDEFAULT || pointSize == -1
+                    ? wxDEFAULT_FONT_SIZE
+                    : pointSize;
+
+    m_underlined = underlined;
+    m_encoding = encoding;
+    if ( m_encoding == wxFONTENCODING_DEFAULT )
+        m_encoding = wxFont::GetDefaultEncoding();
 
 
-    if (weight == wxDEFAULT)
-        m_weight = wxNORMAL;
+    m_noAA = false;
+
+    // Create native font info
+    m_nativeFontInfo.description = pango_font_description_new();
+
+    // And set its values
+    if (!m_faceName.empty())
+    {
+       pango_font_description_set_family( m_nativeFontInfo.description,
+                                          wxGTK_CONV_SYS(m_faceName) );
+    }
     else
     else
-        m_weight = weight;
+    {
+        switch (m_family)
+        {
+            case wxFONTFAMILY_MODERN:
+            case wxFONTFAMILY_TELETYPE:
+               pango_font_description_set_family( m_nativeFontInfo.description, "monospace" );
+               break;
+            case wxFONTFAMILY_ROMAN:
+               pango_font_description_set_family( m_nativeFontInfo.description, "serif" );
+               break;
+            case wxFONTFAMILY_SWISS:
+               // SWISS = sans serif
+            default:
+               pango_font_description_set_family( m_nativeFontInfo.description, "sans" );
+               break;
+        }
+    }
 
 
-    if (pointSize == wxDEFAULT)
-        m_pointSize = 12;
+    SetStyle( m_style );
+    SetPointSize( m_pointSize );
+    SetWeight( m_weight );
+}
+
+void wxFontRefData::InitFromNative()
+{
+    m_noAA = false;
+
+    // Get native info
+    PangoFontDescription *desc = m_nativeFontInfo.description;
+
+    // init fields
+    m_faceName = wxGTK_CONV_BACK_SYS(pango_font_description_get_family(desc));
+
+    // Pango sometimes needs to have a size
+    int pango_size = pango_font_description_get_size( desc );
+    if (pango_size == 0)
+        m_nativeFontInfo.SetPointSize(12);
+
+    m_pointSize = m_nativeFontInfo.GetPointSize();
+    m_style = m_nativeFontInfo.GetStyle();
+    m_weight = m_nativeFontInfo.GetWeight();
+
+    if (m_faceName == wxT("monospace"))
+    {
+        m_family = wxFONTFAMILY_TELETYPE;
+    }
+    else if (m_faceName == wxT("sans"))
+    {
+        m_family = wxFONTFAMILY_SWISS;
+    }
+    else if (m_faceName == wxT("serif"))
+    {
+        m_family = wxFONTFAMILY_ROMAN;
+    }
     else
     else
-        m_pointSize = pointSize;
+    {
+        m_family = wxFONTFAMILY_UNKNOWN;
+    }
 
 
-    m_underlined = underlined;
-    m_encoding = encoding;
+    // Pango description are never underlined (?)
+    m_underlined = false;
+
+    // always with GTK+ 2
+    m_encoding = wxFONTENCODING_UTF8;
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
 }
 
 wxFontRefData::wxFontRefData( const wxFontRefData& data )
-    : m_scaled_xfonts(wxKEY_INTEGER)
+             : wxGDIRefData()
 {
 {
-    Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
-        data.m_underlined, data.m_faceName, data.m_encoding);
+    m_pointSize = data.m_pointSize;
+    m_family = data.m_family;
+    m_style = data.m_style;
+    m_weight = data.m_weight;
+
+    m_underlined = data.m_underlined;
+
+    m_faceName = data.m_faceName;
+    m_encoding = data.m_encoding;
+
+    m_noAA = data.m_noAA;
+
+    // Forces a copy of the internal data.  wxNativeFontInfo should probably
+    // have a copy ctor and assignment operator to fix this properly but that
+    // would break binary compatibility...
+    m_nativeFontInfo.FromString(data.m_nativeFontInfo.ToString());
 }
 
 }
 
-wxFontRefData::wxFontRefData(int size, int family, int style,
-    int weight, bool underlined, const wxString& faceName, wxFontEncoding encoding )
-    : m_scaled_xfonts(wxKEY_INTEGER)
+wxFontRefData::wxFontRefData(int size, wxFontFamily family, wxFontStyle style,
+                             wxFontWeight weight, bool underlined,
+                             const wxString& faceName,
+                             wxFontEncoding encoding)
+{
+    Init(size, family, style, weight, underlined, faceName, encoding);
+}
+
+wxFontRefData::wxFontRefData(const wxString& fontname)
+{
+    m_nativeFontInfo.FromString( fontname );
+
+    InitFromNative();
+}
+
+void wxFontRefData::ClearGdkFonts()
 {
 {
-    Init(size, family, style, weight, 
-        underlined, faceName, encoding);
 }
 
 wxFontRefData::~wxFontRefData()
 {
 }
 
 wxFontRefData::~wxFontRefData()
 {
-    wxNode *node = m_scaled_xfonts.First();
-    while (node)
-    {
-        GdkFont *font = (GdkFont*)node->Data();
-        wxNode *next = node->Next();
-        gdk_font_unref( font );
-        node = next;
-    }
+    ClearGdkFonts();
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
-// wxFont
+// wxFontRefData SetXXX()
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+void wxFontRefData::SetPointSize(int pointSize)
+{
+    m_pointSize = pointSize;
+
+    m_nativeFontInfo.SetPointSize(pointSize);
+}
 
 
-void wxFont::Init()
+void wxFontRefData::SetFamily(wxFontFamily family)
 {
 {
-    if (wxTheFontList)
-        wxTheFontList->Append( this );
+    m_family = family;
+
+    // TODO: what are we supposed to do with m_nativeFontInfo here?
 }
 
 }
 
-wxFont::wxFont( GdkFont *WXUNUSED(font), char *xFontName )
+void wxFontRefData::SetStyle(wxFontStyle style)
 {
 {
-    if (!xFontName)
-        return;
+    m_style = style;
 
 
-    Init();
+    m_nativeFontInfo.SetStyle((wxFontStyle)style);
+}
 
 
-    m_refData = new wxFontRefData();
+void wxFontRefData::SetWeight(wxFontWeight weight)
+{
+    m_weight = weight;
 
 
-    wxString tmp;
+    m_nativeFontInfo.SetWeight((wxFontWeight)weight);
+}
 
 
-    wxString fontname( xFontName );
-    wxStringTokenizer tn( fontname, wxT("-") );
+void wxFontRefData::SetUnderlined(bool underlined)
+{
+    m_underlined = underlined;
+
+    // the XLFD doesn't have "underlined" field anyhow
+}
 
 
-    tn.GetNextToken();                           // foundry
+bool wxFontRefData::SetFaceName(const wxString& facename)
+{
+    m_faceName = facename;
 
 
-    M_FONTDATA->m_faceName = tn.GetNextToken();  // courier
+    return m_nativeFontInfo.SetFaceName(facename);
+}
 
 
-    tmp = tn.GetNextToken().MakeUpper();
-    if (tmp == wxT("BOLD")) M_FONTDATA->m_weight = wxBOLD;
+void wxFontRefData::SetEncoding(wxFontEncoding encoding)
+{
+    m_encoding = encoding;
+}
 
 
-    tmp = tn.GetNextToken().MakeUpper();
-    if (tmp == wxT("I")) M_FONTDATA->m_style = wxITALIC;
-    if (tmp == wxT("O")) M_FONTDATA->m_style = wxITALIC;
+void wxFontRefData::SetNativeFontInfo(const wxNativeFontInfo& info)
+{
+    // previously cached fonts shouldn't be used
+    ClearGdkFonts();
 
 
-    tn.GetNextToken();                           // set width
-    tn.GetNextToken();                           // ?
-    tn.GetNextToken();                           // pixel size
+    m_nativeFontInfo = info;
 
 
-    tmp = tn.GetNextToken();                     // pointsize
-    int num =  wxStrtol (tmp.c_str(), (wxChar **) NULL, 10);
-    M_FONTDATA->m_pointSize = num / 10;
+    // set all the other font parameters from the native font info
+    InitFromNative();
+}
 
 
-    tn.GetNextToken();                           // x-res
-    tn.GetNextToken();                           // y-res
+// ----------------------------------------------------------------------------
+// wxFont creation
+// ----------------------------------------------------------------------------
 
 
-    tmp = tn.GetNextToken().MakeUpper();
-    if (tmp == wxT("M")) M_FONTDATA->m_family = wxMODERN;
-    else if (M_FONTDATA->m_faceName == wxT("TIMES")) M_FONTDATA->m_family = wxROMAN;
-    else if (M_FONTDATA->m_faceName == wxT("HELVETICA")) M_FONTDATA->m_family = wxSWISS;
-    else if (M_FONTDATA->m_faceName == wxT("LUCIDATYPEWRITER")) M_FONTDATA->m_family = wxTELETYPE;
-    else if (M_FONTDATA->m_faceName == wxT("LUCIDA")) M_FONTDATA->m_family = wxDECORATIVE;
-    else if (M_FONTDATA->m_faceName == wxT("UTOPIA")) M_FONTDATA->m_family = wxSCRIPT;
+IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+
+wxFont::wxFont(const wxNativeFontInfo& info)
+{
+    Create( info.GetPointSize(),
+            info.GetFamily(),
+            info.GetStyle(),
+            info.GetWeight(),
+            info.GetUnderlined(),
+            info.GetFaceName(),
+            info.GetEncoding() );
 }
 
 bool wxFont::Create( int pointSize,
 }
 
 bool wxFont::Create( int pointSize,
-                     int family,
-                     int style,
-                     int weight,
+                    wxFontFamily family,
+                    wxFontStyle style,
+                    wxFontWeight weight,
                      bool underlined,
                      const wxString& face,
                      bool underlined,
                      const wxString& face,
-                     wxFontEncoding encoding )
+                     wxFontEncoding encoding)
 {
 {
+    UnRef();
+
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, face, encoding);
 
     m_refData = new wxFontRefData(pointSize, family, style, weight,
                                   underlined, face, encoding);
 
-    return TRUE;
+    return true;
 }
 
 }
 
-void wxFont::Unshare()
+bool wxFont::Create(const wxString& fontname)
 {
 {
-    if (!m_refData)
+    // VZ: does this really happen?
+    if ( fontname.empty() )
     {
     {
-        m_refData = new wxFontRefData();
-    }
-    else
-    {
-        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
-        UnRef();
-        m_refData = ref;
+        *this = wxSystemSettings::GetFont(wxSYS_DEFAULT_GUI_FONT);
+
+        return true;
     }
     }
+
+    m_refData = new wxFontRefData(fontname);
+
+    return true;
 }
 
 wxFont::~wxFont()
 {
 }
 
 wxFont::~wxFont()
 {
-    if (wxTheFontList)
-        wxTheFontList->DeleteObject( this );
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -237,159 +398,158 @@ int wxFont::GetPointSize() const
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
 {
     wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
 
-    return M_FONTDATA->m_pointSize;
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetPointSize()
+                                       : M_FONTDATA->m_pointSize;
 }
 
 wxString wxFont::GetFaceName() const
 {
 }
 
 wxString wxFont::GetFaceName() const
 {
-    wxCHECK_MSG( Ok(), wxT(""), wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );
 
 
-    return M_FONTDATA->m_faceName;
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetFaceName()
+                                       : M_FONTDATA->m_faceName;
 }
 
 }
 
-int wxFont::GetFamily() const
+wxFontFamily wxFont::GetFamily() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTFAMILY_MAX, wxT("invalid font") );
+
+    wxFontFamily ret = M_FONTDATA->m_family;
+    if (M_FONTDATA->HasNativeFont())
+        // wxNativeFontInfo::GetFamily is expensive, must not call more than once
+        ret = M_FONTDATA->m_nativeFontInfo.GetFamily();
+
+    if (ret == wxFONTFAMILY_DEFAULT)
+        ret = M_FONTDATA->m_family;
 
 
-    return M_FONTDATA->m_family;
+    return ret;
 }
 
 }
 
-int wxFont::GetStyle() const
+wxFontStyle wxFont::GetStyle() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTSTYLE_MAX, wxT("invalid font") );
 
 
-    return M_FONTDATA->m_style;
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetStyle()
+                                       : M_FONTDATA->m_style;
 }
 
 }
 
-int wxFont::GetWeight() const
+wxFontWeight wxFont::GetWeight() const
 {
 {
-    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTWEIGHT_MAX, wxT("invalid font") );
 
 
-    return M_FONTDATA->m_weight;
+    return M_FONTDATA->HasNativeFont() ? M_FONTDATA->m_nativeFontInfo.GetWeight()
+                                       : M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
 }
 
 bool wxFont::GetUnderlined() const
 {
-    wxCHECK_MSG( Ok(), FALSE, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
 
     return M_FONTDATA->m_underlined;
 }
 
 
     return M_FONTDATA->m_underlined;
 }
 
-
 wxFontEncoding wxFont::GetEncoding() const
 {
 wxFontEncoding wxFont::GetEncoding() const
 {
-    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), wxFONTENCODING_SYSTEM, wxT("invalid font") );
 
     return M_FONTDATA->m_encoding;
 }
 
 
     return M_FONTDATA->m_encoding;
 }
 
+bool wxFont::GetNoAntiAliasing() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+
+    return M_FONTDATA->m_noAA;
+}
+
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
+
+    return &(M_FONTDATA->m_nativeFontInfo);
+}
+
+bool wxFont::IsFixedWidth() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid font") );
+
+    return wxFontBase::IsFixedWidth();
+}
+
 // ----------------------------------------------------------------------------
 // change font attributes
 // ----------------------------------------------------------------------------
 
 void wxFont::SetPointSize(int pointSize)
 {
 // ----------------------------------------------------------------------------
 // change font attributes
 // ----------------------------------------------------------------------------
 
 void wxFont::SetPointSize(int pointSize)
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_pointSize = pointSize;
+    M_FONTDATA->SetPointSize(pointSize);
 }
 
 }
 
-void wxFont::SetFamily(int family)
+void wxFont::SetFamily(wxFontFamily family)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_family = family;
+    M_FONTDATA->SetFamily(family);
 }
 
 }
 
-void wxFont::SetStyle(int style)
+void wxFont::SetStyle(wxFontStyle style)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_style = style;
+    M_FONTDATA->SetStyle(style);
 }
 
 }
 
-void wxFont::SetWeight(int weight)
+void wxFont::SetWeight(wxFontWeight weight)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_weight = weight;
+    M_FONTDATA->SetWeight(weight);
 }
 
 }
 
-void wxFont::SetFaceName(const wxString& faceName)
+bool wxFont::SetFaceName(const wxString& faceName)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_faceName = faceName;
+    return M_FONTDATA->SetFaceName(faceName) &&
+           wxFontBase::SetFaceName(faceName);
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_underlined = underlined;
+    M_FONTDATA->SetUnderlined(underlined);
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_encoding = encoding;
+    M_FONTDATA->SetEncoding(encoding);
 }
 
 }
 
-// ----------------------------------------------------------------------------
-// get internal representation of font
-// ----------------------------------------------------------------------------
-
-GdkFont *wxFont::GetInternalFont( float scale ) const
+void wxFont::DoSetNativeFontInfo( const wxNativeFontInfo& info )
 {
 {
-    if (!Ok())
-    {
-        wxFAIL_MSG( wxT("invalid font") );
-
-        return (GdkFont*) NULL;
-    }
-
-    long int_scale = long(scale * 100.0 + 0.5); /* key for fontlist */
-    int point_scale = (M_FONTDATA->m_pointSize * 10 * int_scale) / 100;
-    GdkFont *font = (GdkFont *) NULL;
+    AllocExclusive();
 
 
-    wxNode *node = M_FONTDATA->m_scaled_xfonts.Find(int_scale);
-    if (node)
-    {
-        font = (GdkFont*)node->Data();
-    }
-    else
-    {
-#if 0
-        if ((int_scale == 100) &&
-                (M_FONTDATA->m_family == wxSWISS) &&
-                (M_FONTDATA->m_style == wxNORMAL) &&
-                (M_FONTDATA->m_pointSize == 12) &&
-                (M_FONTDATA->m_weight == wxNORMAL) &&
-                (M_FONTDATA->m_underlined == FALSE))
-        {
-            font = gdk_font_load( "-adobe-helvetica-medium-r-normal--*-120-*-*-*-*-*-*" );
-        }
-        else
-#endif // 0
-        {
-            font = wxLoadQueryNearestFont( point_scale,
-                                           M_FONTDATA->m_family,
-                                           M_FONTDATA->m_style,
-                                           M_FONTDATA->m_weight,
-                                           M_FONTDATA->m_underlined,
-                                           M_FONTDATA->m_faceName,
-                                           M_FONTDATA->m_encoding );
-        }
+    M_FONTDATA->SetNativeFontInfo( info );
+}
 
 
-        M_FONTDATA->m_scaled_xfonts.Append( int_scale, (wxObject*)font );
-    }
+void wxFont::SetNoAntiAliasing( bool no )
+{
+    AllocExclusive();
 
 
-    if (!font)
-    {
-        wxLogError(wxT("could not load any font"));
-    }
+    M_FONTDATA->SetNoAntiAliasing( no );
+}
 
 
-    return font;
+wxGDIRefData* wxFont::CreateGDIRefData() const
+{
+    return new wxFontRefData;
 }
 
 }
 
+wxGDIRefData* wxFont::CloneGDIRefData(const wxGDIRefData* data) const
+{
+    return new wxFontRefData(*static_cast<const wxFontRefData*>(data));
+}
wxWidgets (Impactor)