cleanup - reformat

[wxWidgets.git] / src / mac / carbon / font.cpp

diff --git a/src/mac/carbon/font.cpp b/src/mac/carbon/font.cpp
index d30015eaf9e533df8061bf055a112e549ad5d9b6..517f232e701fb5a60420b160ee01d74c216a6829 100644 (file)
--- a/src/mac/carbon/font.cpp
+++ b/src/mac/carbon/font.cpp
@@ -1,34 +1,155 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        font.cpp
 // Purpose:     wxFont class
 /////////////////////////////////////////////////////////////////////////////
 // Name:        font.cpp
 // Purpose:     wxFont class

-// Author:      AUTHOR
+// Author:      Stefan Csomor

 // Modified by:
 // Modified by:

-// Created:     ??/??/98
+// Created:     1998-01-01

 // RCS-ID:      $Id$
 // RCS-ID:      $Id$

-// Copyright:   (c) AUTHOR
-// Licence:    wxWindows licence
+// Copyright:   (c) Stefan Csomor
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "font.h"
-#endif
+#include "wx/wxprec.h"

 
 

-#include "wx/defs.h"

 #include "wx/string.h"
 #include "wx/font.h"
 #include "wx/fontutil.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"
 #include "wx/string.h"
 #include "wx/font.h"
 #include "wx/fontutil.h"
 #include "wx/gdicmn.h"
 #include "wx/utils.h"

-

 #include "wx/fontutil.h"
 
 #include "wx/mac/private.h"
 #include "wx/fontutil.h"
 
 #include "wx/mac/private.h"

-#include "ATSUnicode.h"

 
 

-#if !USE_SHARED_LIBRARIES
-IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#ifndef __DARWIN__
+#include <ATSUnicode.h>

 #endif
 
 #endif
 

+
+IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+
+
+class WXDLLEXPORT wxFontRefData: public wxGDIRefData
+{
+    friend class WXDLLEXPORT wxFont;
+
+public:
+    wxFontRefData()
+        : m_fontId(0)
+        , m_pointSize(10)
+        , m_family(wxDEFAULT)
+        , m_style(wxNORMAL)
+        , m_weight(wxNORMAL)
+        , m_underlined(FALSE)
+        , m_faceName(wxT("applicationfont"))
+        , m_encoding(wxFONTENCODING_DEFAULT)
+        , m_macFontNum(0)
+        , m_macFontSize(0)
+        , m_macFontStyle(0)
+        , m_macATSUStyle(0)
+        , m_macATSUFontID(0)
+    {
+        Init(m_pointSize, m_family, m_style, m_weight,
+             m_underlined, m_faceName, m_encoding);
+    }
+
+    wxFontRefData(const wxFontRefData& data)
+        : wxGDIRefData()
+        , m_fontId(data.m_fontId)
+        , 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_macFontNum(data.m_macFontNum)
+        , m_macFontSize(data.m_macFontSize)
+        , m_macFontStyle(data.m_macFontStyle)
+        , m_macATSUStyle(0)
+        , m_macATSUFontID(data.m_macATSUFontID)
+    {
+        Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
+             data.m_underlined, data.m_faceName, data.m_encoding);
+    }
+
+    wxFontRefData(int size,
+                  int family,
+                  int style,
+                  int weight,
+                  bool underlined,
+                  const wxString& faceName,
+                  wxFontEncoding encoding)
+        : m_fontId(0)
+        , m_pointSize(size)
+        , m_family(family)
+        , m_style(style)
+        , m_weight(weight)
+        , m_underlined(underlined)
+        , m_faceName(faceName)
+        , m_encoding(encoding)
+        , m_macFontNum(0)
+        , m_macFontSize(0)
+        , m_macFontStyle(0)
+        , m_macATSUStyle(0)
+        , m_macATSUFontID(0)
+    {
+        Init(size, family, style, weight, underlined, faceName, encoding);
+    }
+
+    virtual ~wxFontRefData();
+
+    void SetNoAntiAliasing( bool no = true )
+    { m_noAA = no; }
+
+    bool GetNoAntiAliasing() const
+    { return m_noAA; }
+
+    void MacFindFont() ;
+
+protected:
+    // common part of all ctors
+    void Init(int size,
+              int family,
+              int style,
+              int weight,
+              bool underlined,
+              const wxString& faceName,
+              wxFontEncoding encoding);
+
+    // font characterstics
+    int             m_fontId;
+    int             m_pointSize;
+    int             m_family;
+    int             m_style;
+    int             m_weight;
+    bool            m_underlined;
+    wxString        m_faceName;
+    wxFontEncoding  m_encoding;
+    bool            m_noAA;      // No anti-aliasing
+
+public:
+    short           m_macFontNum;
+    short           m_macFontSize;
+    Style           m_macFontStyle;
+
+    // ATSU Font Information
+
+    // this is split into an ATSU font id that may
+    // contain some styles (special bold fonts etc) and
+    // these are the additional qd styles that are not
+    // included in the ATSU font id
+    ATSUStyle       m_macATSUStyle ;
+    ATSUFontID      m_macATSUFontID;
+    Style           m_macATSUAdditionalQDStyles ;
+
+    // for true themeing support we must store the correct font
+    // information here, as this speeds up and optimizes rendering
+    ThemeFontID     m_macThemeFontID ;
+
+    wxNativeFontInfo  m_info;
+};
+
+

 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================


@@ -38,12 +159,12 @@ IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,

-                         int family,
-                         int style,
-                         int weight,
-                         bool underlined,
-                         const wxString& faceName,
-                         wxFontEncoding encoding)
+    int family,
+    int style,
+    int weight,
+    bool underlined,
+    const wxString& faceName,
+    wxFontEncoding encoding)

 {
     m_style = style;
     m_pointSize = pointSize;
 {
     m_style = style;
     m_pointSize = pointSize;


@@ -57,71 +178,194 @@ void wxFontRefData::Init(int pointSize,
     m_macFontNum = 0 ;
     m_macFontSize = 0;
     m_macFontStyle = 0;
     m_macFontNum = 0 ;
     m_macFontSize = 0;
     m_macFontStyle = 0;

-    m_fontId = 0;
+    m_macATSUFontID = 0;
+    m_macATSUAdditionalQDStyles = 0 ;
+    m_macATSUStyle = NULL ;
+
+    m_macThemeFontID = kThemeCurrentPortFont ;
+    m_noAA = false;

 }
 
 wxFontRefData::~wxFontRefData()
 {
 }
 
 wxFontRefData::~wxFontRefData()
 {

+    if ( m_macATSUStyle )
+    {
+        ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
+        m_macATSUStyle = NULL ;
+    }

 }
 
 void wxFontRefData::MacFindFont()
 {
 }
 
 void wxFontRefData::MacFindFont()
 {

-       if( m_faceName == "" )
-       {
-               switch( m_family )
-               {
-                       case wxDEFAULT :
-                               m_macFontNum = ::GetAppFont() ;
-                               break ;
-                       case wxDECORATIVE :
-                               ::GetFNum( "\pTimes" , &m_macFontNum) ;
-                               break ;
-                       case wxROMAN :
-                               ::GetFNum( "\pTimes" , &m_macFontNum) ;
-                               break ;
-                       case wxSCRIPT :
-                               ::GetFNum( "\pTimes" , &m_macFontNum) ;
-                               break ;
-                       case wxSWISS :
-                               ::GetFNum( "\pGeneva" , &m_macFontNum) ;
-                               break ;
-                       case wxMODERN :
-                               ::GetFNum( "\pMonaco" , &m_macFontNum) ;
-                               break ;
-               }
-       }
-       else
-       {
-               if ( m_faceName == "systemfont" )
-                       m_macFontNum = ::GetSysFont() ;
-               else if ( m_faceName == "applicationfont" )
-                       m_macFontNum = ::GetAppFont() ;
-               else
-               {
-#if TARGET_CARBON
-                       c2pstrcpy( (StringPtr) wxBuffer, m_faceName ) ;
+    if ( m_macThemeFontID != kThemeCurrentPortFont )
+    {
+        Str255 fontName ;
+
+        GetThemeFont( m_macThemeFontID, GetApplicationScript(), fontName, &m_macFontSize, &m_macFontStyle );
+        m_faceName = wxMacMakeStringFromPascal( fontName ) ;
+        if ( m_macFontStyle & bold )
+            m_weight = wxBOLD ;
+        else
+            m_weight = wxNORMAL ;
+        if ( m_macFontStyle & italic )
+            m_style = wxITALIC ;
+        if ( m_macFontStyle & underline )
+            m_underlined = true ;
+        ::GetFNum( fontName, &m_macFontNum );
+        m_pointSize = m_macFontSize ;
+    }
+    else
+    {
+        if ( m_faceName.Length() == 0 )
+        {
+            switch ( m_family )
+            {
+                case wxDEFAULT :
+                    m_macFontNum = ::GetAppFont();
+                    break ;
+
+                case wxSCRIPT :
+                case wxROMAN :
+                case wxDECORATIVE :
+                    ::GetFNum( "\pTimes", &m_macFontNum );
+                    break ;
+
+                case wxSWISS :
+#ifdef __WXMAC_OSX__
+                    ::GetFNum( "\pLucida Grande", &m_macFontNum );

 #else
 #else

-                       strcpy( (char *) wxBuffer, m_faceName ) ;
-                       c2pstr( (char *) wxBuffer ) ;
+                    ::GetFNum( "\pGeneva", &m_macFontNum );

 #endif
 #endif

-                       ::GetFNum( (StringPtr) wxBuffer, &m_macFontNum);
-               }
-       }
-
-       m_macFontStyle = 0;
-       if (m_weight == wxBOLD)
-                m_macFontStyle |= bold;
-       if (m_style == wxITALIC || m_style == wxSLANT) 
-               m_macFontStyle |= italic;
-       if (m_underlined) 
-               m_macFontStyle |= underline;
-       m_macFontSize = m_pointSize ;
-       
-       //TODO:if we supply the style as an additional parameter we must make a testing
-       //sequence in order to degrade gracefully while trying to maintain most of the style
-       //information, meanwhile we just take the normal font and apply the features after
-       OSStatus status = ::ATSUFONDtoFontID(m_macFontNum, normal /*qdStyle*/, (UInt32*)&m_macATSUFontID); 
-       wxASSERT_MSG( status == noErr , "couldn't retrieve font identifier" ) ;
+                    break ;
+
+                case wxMODERN :
+                    ::GetFNum( "\pMonaco", &m_macFontNum );
+                    break ;
+
+                default:
+                    break ;
+            }
+
+            Str255 name ;
+            ::GetFontName( m_macFontNum , name ) ;
+            m_faceName = wxMacMakeStringFromPascal( name ) ;
+        }
+        else
+        {
+            if ( m_faceName == wxT("systemfont") )
+                m_macFontNum = ::GetSysFont() ;
+            else if ( m_faceName == wxT("applicationfont") )
+                m_macFontNum = ::GetAppFont() ;
+            else
+            {
+                Str255 fontname ;
+                wxMacStringToPascal( m_faceName , fontname ) ;
+                ::GetFNum( fontname, &m_macFontNum);
+            }
+        }
+
+        m_macFontStyle = 0;
+        if (m_weight == wxBOLD)
+             m_macFontStyle |= bold;
+        if (m_style == wxITALIC || m_style == wxSLANT)
+            m_macFontStyle |= italic;
+        if (m_underlined)
+            m_macFontStyle |= underline;
+        m_macFontSize = m_pointSize ;
+    }
+
+    // we try to get as much styles as possible into ATSU
+
+    Fixed atsuSize = IntToFixed( m_macFontSize ) ;
+
+    Style atsuStyle = normal ;
+    verify_noerr(::ATSUFONDtoFontID(m_macFontNum, atsuStyle , (UInt32*)&m_macATSUFontID) );
+    if ( m_macFontStyle & bold )
+    {
+        ATSUFontID test ;
+        if ( ::ATSUFONDtoFontID(m_macFontNum, atsuStyle | bold , &test) == noErr )
+        {
+            atsuStyle |= bold ;
+            m_macATSUFontID = test ;
+        }
+    }
+
+    if ( m_macFontStyle & italic )
+    {
+        ATSUFontID test ;
+        if ( ::ATSUFONDtoFontID(m_macFontNum, atsuStyle | italic , &test) == noErr )
+        {
+            atsuStyle |= italic ;
+            m_macATSUFontID = test ;
+        }
+    }
+
+    if ( m_macFontStyle & underline )
+    {
+        ATSUFontID test ;
+        if ( ::ATSUFONDtoFontID(m_macFontNum, atsuStyle | underline , &test) == noErr )
+        {
+            atsuStyle |= underline ;
+            m_macATSUFontID = test ;
+        }
+    }
+
+    m_macATSUAdditionalQDStyles = m_macFontStyle & (~atsuStyle ) ;
+
+    if ( m_macATSUStyle )
+    {
+        ::ATSUDisposeStyle((ATSUStyle)m_macATSUStyle);
+        m_macATSUStyle = NULL ;
+    }
+
+    OSStatus status = ::ATSUCreateStyle((ATSUStyle *)&m_macATSUStyle) ;
+    wxASSERT_MSG( status == noErr , wxT("couldn't create ATSU style") ) ;
+
+    ATSUAttributeTag atsuTags[] =
+    {
+            kATSUFontTag ,
+            kATSUSizeTag ,
+            kATSUVerticalCharacterTag,
+            kATSUQDBoldfaceTag ,
+            kATSUQDItalicTag ,
+            kATSUQDUnderlineTag ,
+            kATSUQDCondensedTag ,
+            kATSUQDExtendedTag ,
+    };
+    ByteCount atsuSizes[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    {
+            sizeof( ATSUFontID ) ,
+            sizeof( Fixed ) ,
+            sizeof( ATSUVerticalCharacterType),
+            sizeof( Boolean ) ,
+            sizeof( Boolean ) ,
+            sizeof( Boolean ) ,
+            sizeof( Boolean ) ,
+            sizeof( Boolean ) ,
+    };
+
+    Boolean kTrue = true ;
+    Boolean kFalse = false ;
+
+    ATSUVerticalCharacterType kHorizontal = kATSUStronglyHorizontal;
+    ATSUAttributeValuePtr    atsuValues[sizeof(atsuTags) / sizeof(ATSUAttributeTag)] =
+    {
+            &m_macATSUFontID ,
+            &atsuSize ,
+            &kHorizontal,
+            (m_macATSUAdditionalQDStyles & bold) ? &kTrue : &kFalse ,
+            (m_macATSUAdditionalQDStyles & italic) ? &kTrue : &kFalse ,
+            (m_macATSUAdditionalQDStyles & underline) ? &kTrue : &kFalse ,
+            (m_macATSUAdditionalQDStyles & condense) ? &kTrue : &kFalse ,
+            (m_macATSUAdditionalQDStyles & extend) ? &kTrue : &kFalse ,
+    };
+
+    status = ::ATSUSetAttributes(
+        (ATSUStyle)m_macATSUStyle,
+        sizeof(atsuTags) / sizeof(ATSUAttributeTag) ,
+        atsuTags, atsuSizes, atsuValues);
+
+    wxASSERT_MSG( status == noErr , wxT("couldn't modify ATSU style") ) ;

 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------


@@ -134,8 +378,9 @@ void wxFont::Init()
 
 bool wxFont::Create(const wxNativeFontInfo& info)
 {
 
 bool wxFont::Create(const wxNativeFontInfo& info)
 {

-    return Create(info.pointSize, info.family, info.style, info.weight,
-                  info.underlined, info.faceName, info.encoding);
+    return Create(
+        info.pointSize, info.family, info.style, info.weight,
+        info.underlined, info.faceName, info.encoding );

 }
 
 wxFont::wxFont(const wxString& fontdesc)
 }
 
 wxFont::wxFont(const wxString& fontdesc)


@@ -146,20 +391,36 @@ wxFont::wxFont(const wxString& fontdesc)
 }
 
 bool wxFont::Create(int pointSize,
 }
 
 bool wxFont::Create(int pointSize,

-                    int family,
-                    int style,
-                    int weight,
-                    bool underlined,
-                    const wxString& faceName,
-                    wxFontEncoding encoding)
+    int family,
+    int style,
+    int weight,
+    bool underlined,
+    const wxString& faceName,
+    wxFontEncoding encoding)

 {
     UnRef();
 {
     UnRef();

-    m_refData = new wxFontRefData(pointSize, family, style, weight,
-                                  underlined, faceName, encoding);
+
+    m_refData = new wxFontRefData(
+        pointSize, family, style, weight,
+        underlined, faceName, encoding);

 
     RealizeResource();
 
 
     RealizeResource();
 

-    return TRUE;
+    return true;
+}
+
+bool wxFont::MacCreateThemeFont(wxUint16 themeFontID)
+{
+    UnRef();
+
+    m_refData = new wxFontRefData(
+        12, wxDEFAULT, wxFONTSTYLE_NORMAL, wxFONTWEIGHT_NORMAL,
+        false, wxEmptyString, wxFONTENCODING_DEFAULT );
+
+    M_FONTDATA->m_macThemeFontID = themeFontID ;
+    RealizeResource();
+
+    return true;

 }
 
 wxFont::~wxFont()
 }
 
 wxFont::~wxFont()


@@ -168,8 +429,9 @@ wxFont::~wxFont()
 
 bool wxFont::RealizeResource()
 {
 
 bool wxFont::RealizeResource()
 {

-       M_FONTDATA->MacFindFont() ;
-    return TRUE;
+    M_FONTDATA->MacFindFont() ;
+
+    return true;

 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)


@@ -183,17 +445,17 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
 
 void wxFont::Unshare()
 {
 
 void wxFont::Unshare()
 {

-       // Don't change shared data
-       if (!m_refData)
+    // Don't change shared data
+    if (!m_refData)

     {
     {

-               m_refData = new wxFontRefData();
-       }
+        m_refData = new wxFontRefData();
+    }

     else
     {
     else
     {

-               wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
-               UnRef();
-               m_refData = ref;
-       }
+        wxFontRefData* ref = new wxFontRefData(*(wxFontRefData*)m_refData);
+        UnRef();
+        m_refData = ref;
+    }

 }
 
 void wxFont::SetPointSize(int pointSize)
 }
 
 void wxFont::SetPointSize(int pointSize)


@@ -250,45 +512,133 @@ void wxFont::SetUnderlined(bool underlined)
     RealizeResource();
 }
 
     RealizeResource();
 }
 

+void wxFont::SetNoAntiAliasing( bool no )
+{
+    Unshare();
+
+    M_FONTDATA->SetNoAntiAliasing( no );
+
+    RealizeResource();
+}
+

 // ----------------------------------------------------------------------------
 // accessors
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 // accessors
 // ----------------------------------------------------------------------------
 

+// TODO: insert checks everywhere for M_FONTDATA == NULL!
+

 int wxFont::GetPointSize() const
 {
 int wxFont::GetPointSize() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+

     return M_FONTDATA->m_pointSize;
 }
 
 int wxFont::GetFamily() const
 {
     return M_FONTDATA->m_pointSize;
 }
 
 int wxFont::GetFamily() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+

     return M_FONTDATA->m_family;
 }
 
 int wxFont::GetStyle() const
 {
     return M_FONTDATA->m_family;
 }
 
 int wxFont::GetStyle() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+

     return M_FONTDATA->m_style;
 }
 
 int wxFont::GetWeight() const
 {
     return M_FONTDATA->m_style;
 }
 
 int wxFont::GetWeight() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+

     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {
     return M_FONTDATA->m_weight;
 }
 
 bool wxFont::GetUnderlined() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
+

     return M_FONTDATA->m_underlined;
 }
 
 wxString wxFont::GetFaceName() const
 {
     return M_FONTDATA->m_underlined;
 }
 
 wxString wxFont::GetFaceName() const
 {

-    wxString str;
-    if ( M_FONTDATA )
-        str = M_FONTDATA->m_faceName ;
-    return str;
+    wxCHECK_MSG( M_FONTDATA != NULL , wxEmptyString , wxT("invalid font") );
+
+    return M_FONTDATA->m_faceName;

 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {

+    wxCHECK_MSG( M_FONTDATA != NULL , wxFONTENCODING_DEFAULT , wxT("invalid font") );
+

     return M_FONTDATA->m_encoding;
 }
 
     return M_FONTDATA->m_encoding;
 }
 

+bool wxFont::GetNoAntiAliasing() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , false, wxT("invalid font") );
+
+    return M_FONTDATA->m_noAA;
+}
+
+short wxFont::MacGetFontNum() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macFontNum;
+}
+
+short wxFont::MacGetFontSize() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macFontSize;
+}
+
+wxByte wxFont::MacGetFontStyle() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macFontStyle;
+}
+
+wxUint32 wxFont::MacGetATSUFontID() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macATSUFontID;
+}
+
+void * wxFont::MacGetATSUStyle() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
+
+    return M_FONTDATA->m_macATSUStyle;
+}
+
+wxUint32 wxFont::MacGetATSUAdditionalQDStyles() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macATSUAdditionalQDStyles;
+}
+
+wxUint16 wxFont::MacGetThemeFontID() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , 0, wxT("invalid font") );
+
+    return M_FONTDATA->m_macThemeFontID;
+}
+
+const wxNativeFontInfo * wxFont::GetNativeFontInfo() const
+{
+    wxCHECK_MSG( M_FONTDATA != NULL , NULL, wxT("invalid font") );
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid font") );
+
+    M_FONTDATA->m_info.InitFromFont(*this);
+
+    return &(M_FONTDATA->m_info);
+}
+