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wxRichTextCtrl::ApplyStyle now applies a paragraph style at the cursor
[wxWidgets.git] / src / msw / font.cpp
diff --git a/src/msw/font.cpp b/src/msw/font.cpp
index c7a304f445f675178920854be508769c25890c2d..b1e347d6740c364e27ba3593ca6a5f6011d5cbac 100644 (file)
--- a/src/msw/font.cpp
+++ b/src/msw/font.cpp
@@ -1,12 +1,12 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////
-// Name:        font.cpp
+// Name:        src/msw/font.cpp
 // Purpose:     wxFont class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
 // Purpose:     wxFont class
 // Author:      Julian Smart
 // Modified by:
 // Created:     01/02/97
 // RCS-ID:      $Id$
-// Copyright:   (c) Julian Smart and Markus Holzem
-// Licence:       wxWindows licence
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
 /////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,10 +17,6 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "font.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -28,90 +24,350 @@
     #pragma hdrstop
 #endif
 
     #pragma hdrstop
 #endif
 
+#include "wx/font.h"
+
 #ifndef WX_PRECOMP
 #ifndef WX_PRECOMP
-    #include <stdio.h>
-    #include "wx/setup.h"
     #include "wx/list.h"
     #include "wx/utils.h"
     #include "wx/app.h"
     #include "wx/list.h"
     #include "wx/utils.h"
     #include "wx/app.h"
-    #include "wx/font.h"
+    #include "wx/log.h"
+    #include "wx/encinfo.h"
 #endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
 
 #endif // WX_PRECOMP
 
 #include "wx/msw/private.h"
 
-#if !USE_SHARED_LIBRARIES
-    IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
+#include "wx/fontutil.h"
+#include "wx/fontmap.h"
+
+#ifndef __WXWINCE__
+    #include "wx/sysopt.h"
+#endif
+
+#include "wx/scopeguard.h"
+#include "wx/tokenzr.h"
+
+#if wxUSE_EXTENDED_RTTI
+
+wxBEGIN_ENUM( wxFontFamily )
+    wxENUM_MEMBER( wxDEFAULT )
+    wxENUM_MEMBER( wxDECORATIVE )
+    wxENUM_MEMBER( wxROMAN )
+    wxENUM_MEMBER( wxSCRIPT )
+    wxENUM_MEMBER( wxSWISS )
+    wxENUM_MEMBER( wxMODERN )
+    wxENUM_MEMBER( wxTELETYPE )
+wxEND_ENUM( wxFontFamily )
+
+wxBEGIN_ENUM( wxFontStyle )
+    wxENUM_MEMBER( wxNORMAL )
+    wxENUM_MEMBER( wxITALIC )
+    wxENUM_MEMBER( wxSLANT )
+wxEND_ENUM( wxFontStyle )
+
+wxBEGIN_ENUM( wxFontWeight )
+    wxENUM_MEMBER( wxNORMAL )
+    wxENUM_MEMBER( wxLIGHT )
+    wxENUM_MEMBER( wxBOLD )
+wxEND_ENUM( wxFontWeight )
+
+IMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI(wxFont, wxGDIObject,"wx/font.h")
+
+wxBEGIN_PROPERTIES_TABLE(wxFont)
+    wxPROPERTY( Size,int, SetPointSize, GetPointSize, 12 , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Family, int  , SetFamily, GetFamily, (int)wxDEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontFamily
+    wxPROPERTY( Style, int , SetStyle, GetStyle, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontStyle
+    wxPROPERTY( Weight, int , SetWeight, GetWeight, (int)wxNORMAL , 0 /*flags*/ , wxT("Helpstring") , wxT("group")) // wxFontWeight
+    wxPROPERTY( Underlined, bool , SetUnderlined, GetUnderlined, false , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Face, wxString , SetFaceName, GetFaceName, EMPTY_MACROVALUE , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+    wxPROPERTY( Encoding, wxFontEncoding , SetEncoding, GetEncoding, wxFONTENCODING_DEFAULT , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
+wxEND_PROPERTIES_TABLE()
+
+wxCONSTRUCTOR_6( wxFont , int , Size , int , Family , int , Style , int , Weight , bool , Underlined , wxString , Face )
+
+wxBEGIN_HANDLERS_TABLE(wxFont)
+wxEND_HANDLERS_TABLE()
 
 
-    #if wxUSE_PORTABLE_FONTS_IN_MSW
-        IMPLEMENT_DYNAMIC_CLASS(wxFontNameDirectory, wxObject)
-    #endif
+#else
+    IMPLEMENT_DYNAMIC_CLASS(wxFont, wxGDIObject)
 #endif
 
 #endif
 
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// the mask used to extract the pitch from LOGFONT::lfPitchAndFamily field
+static const int PITCH_MASK = FIXED_PITCH | VARIABLE_PITCH;
+
 // ----------------------------------------------------------------------------
 // wxFontRefData - the internal description of the font
 // ----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
 {
 // ----------------------------------------------------------------------------
 // wxFontRefData - the internal description of the font
 // ----------------------------------------------------------------------------
 
 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
 {
-friend class WXDLLEXPORT wxFont;
-
 public:
 public:
+    // constructors
     wxFontRefData()
     {
     wxFontRefData()
     {
-        Init(12, wxDEFAULT, wxNORMAL, wxNORMAL, FALSE,
-             "", wxFONTENCODING_DEFAULT);
-    }
-
-    wxFontRefData(const wxFontRefData& data)
-    {
-        Init(data.m_pointSize, data.m_family, data.m_style, data.m_weight,
-             data.m_underlined, data.m_faceName, data.m_encoding);
-
-        m_fontId = data.m_fontId;
+        Init(-1, wxSize(0,0), false, wxFONTFAMILY_DEFAULT, wxFONTSTYLE_NORMAL,
+             wxFONTWEIGHT_NORMAL, false, wxEmptyString,
+             wxFONTENCODING_DEFAULT);
     }
 
     wxFontRefData(int size,
     }
 
     wxFontRefData(int size,
-                  int family,
-                  int style,
-                  int weight,
+                  const wxSize& pixelSize,
+                  bool sizeUsingPixels,
+                  wxFontFamily family,
+                  wxFontStyle style,
+                  wxFontWeight weight,
                   bool underlined,
                   const wxString& faceName,
                   wxFontEncoding encoding)
     {
                   bool underlined,
                   const wxString& faceName,
                   wxFontEncoding encoding)
     {
-        Init(size, family, style, weight, underlined, faceName, encoding);
+        Init(size, pixelSize, sizeUsingPixels, family, style, weight,
+             underlined, faceName, encoding);
+    }
+
+    wxFontRefData(const wxNativeFontInfo& info, WXHFONT hFont = 0)
+    {
+        Init(info, hFont);
+    }
+
+    wxFontRefData(const wxFontRefData& data) : wxGDIRefData()
+    {
+        Init(data.m_nativeFontInfo);
     }
 
     virtual ~wxFontRefData();
 
     }
 
     virtual ~wxFontRefData();
 
+    // operations
+    bool Alloc();
+
+    void Free();
+
+    // all wxFont accessors
+    int GetPointSize() const
+    {
+        return m_nativeFontInfo.GetPointSize();
+    }
+
+    wxSize GetPixelSize() const
+    {
+        return m_nativeFontInfo.GetPixelSize();
+    }
+
+    bool IsUsingSizeInPixels() const
+    {
+        return m_sizeUsingPixels;
+    }
+
+    wxFontFamily GetFamily() const
+    {
+        return m_nativeFontInfo.GetFamily();
+    }
+
+    wxFontStyle GetStyle() const
+    {
+        return m_nativeFontInfo.GetStyle();
+    }
+
+    wxFontWeight GetWeight() const
+    {
+        return m_nativeFontInfo.GetWeight();
+    }
+
+    bool GetUnderlined() const
+    {
+        return m_nativeFontInfo.GetUnderlined();
+    }
+
+    wxString GetFaceName() const
+    {
+        wxString facename = m_nativeFontInfo.GetFaceName();
+        if ( facename.empty() )
+        {
+            facename = GetMSWFaceName();
+            if ( !facename.empty() )
+            {
+                // cache the face name, it shouldn't change unless the family
+                // does and wxNativeFontInfo::SetFamily() resets the face name
+                const_cast<wxFontRefData *>(this)->SetFaceName(facename);
+            }
+        }
+
+        return facename;
+    }
+
+    wxFontEncoding GetEncoding() const
+    {
+        return m_nativeFontInfo.GetEncoding();
+    }
+
+    WXHFONT GetHFONT() const
+    {
+        AllocIfNeeded();
+
+        return (WXHFONT)m_hFont;
+    }
+
+    bool HasHFONT() const
+    {
+        return m_hFont != 0;
+    }
+
+    // ... and setters: notice that all of them invalidate the currently
+    // allocated HFONT, if any, so that the next call to GetHFONT() recreates a
+    // new one
+    void SetPointSize(int pointSize)
+    {
+        Free();
+
+        m_nativeFontInfo.SetPointSize(pointSize);
+        m_sizeUsingPixels = false;
+    }
+
+    void SetPixelSize(const wxSize& pixelSize)
+    {
+        wxCHECK_RET( pixelSize.GetWidth() >= 0, "negative font width" );
+        wxCHECK_RET( pixelSize.GetHeight() != 0, "zero font height" );
+
+        Free();
+
+        m_nativeFontInfo.SetPixelSize(pixelSize);
+        m_sizeUsingPixels = true;
+    }
+
+    void SetFamily(wxFontFamily family)
+    {
+        Free();
+
+        m_nativeFontInfo.SetFamily(family);
+    }
+
+    void SetStyle(wxFontStyle style)
+    {
+        Free();
+
+        m_nativeFontInfo.SetStyle(style);
+    }
+
+    void SetWeight(wxFontWeight weight)
+    {
+        Free();
+
+        m_nativeFontInfo.SetWeight(weight);
+    }
+
+    bool SetFaceName(const wxString& faceName)
+    {
+        Free();
+
+        return m_nativeFontInfo.SetFaceName(faceName);
+    }
+
+    void SetUnderlined(bool underlined)
+    {
+        Free();
+
+        m_nativeFontInfo.SetUnderlined(underlined);
+    }
+
+    void SetEncoding(wxFontEncoding encoding)
+    {
+        Free();
+
+        m_nativeFontInfo.SetEncoding(encoding);
+    }
+
+    const wxNativeFontInfo& GetNativeFontInfo() const
+    {
+        // we need to create the font now to get the corresponding LOGFONT if
+        // it hadn't been done yet
+        AllocIfNeeded();
+
+        // ensure that we have a valid face name in our font information:
+        // GetFaceName() will try to retrieve it from our HFONT and save it if
+        // it was successful
+        (void)GetFaceName();
+
+        return m_nativeFontInfo;
+    }
+
+    void SetNativeFontInfo(const wxNativeFontInfo& nativeFontInfo)
+    {
+        Free();
+
+        m_nativeFontInfo = nativeFontInfo;
+    }
+
 protected:
     // common part of all ctors
     void Init(int size,
 protected:
     // common part of all ctors
     void Init(int size,
-              int family,
-              int style,
-              int weight,
+              const wxSize& pixelSize,
+              bool sizeUsingPixels,
+              wxFontFamily family,
+              wxFontStyle style,
+              wxFontWeight weight,
               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
               bool underlined,
               const wxString& faceName,
               wxFontEncoding encoding);
 
-    // If TRUE, the pointer to the actual font is temporary and SHOULD NOT BE
-    // DELETED by destructor
-    bool          m_temporary;
+    void Init(const wxNativeFontInfo& info, WXHFONT hFont = 0);
+
+    void AllocIfNeeded() const
+    {
+        if ( !m_hFont )
+            const_cast<wxFontRefData *>(this)->Alloc();
+    }
+
+    // retrieve the face name really being used by the font: this is used to
+    // get the face name selected by the system when we don't specify it (but
+    // use just the family for example)
+    wxString GetMSWFaceName() const
+    {
+        ScreenHDC hdc;
+        SelectInHDC selectFont(hdc, m_hFont);
+
+        UINT otmSize = GetOutlineTextMetrics(hdc, 0, NULL);
+        if ( !otmSize )
+        {
+            wxLogLastError("GetOutlineTextMetrics(NULL)");
+            return wxString();
+        }
+
+        OUTLINETEXTMETRIC * const
+            otm = static_cast<OUTLINETEXTMETRIC *>(malloc(otmSize));
+        wxON_BLOCK_EXIT1( free, otm );
+
+        otm->otmSize = otmSize;
+        if ( !GetOutlineTextMetrics(hdc, otmSize, otm) )
+        {
+            wxLogLastError("GetOutlineTextMetrics()");
+            return wxString();
+        }
+
+        // in spite of its type, the otmpFamilyName field of OUTLINETEXTMETRIC
+        // gives an offset in _bytes_ of the face (not family!) name from the
+        // struct start while the name itself is an array of TCHARs
+        //
+        // FWIW otmpFaceName contains the same thing as otmpFamilyName followed
+        // by a possible " Italic" or " Bold" or something else suffix
+        return reinterpret_cast<wxChar *>(otm) +
+                    wxPtrToUInt(otm->otmpFamilyName)/sizeof(wxChar);
+    }
 
 
-    int           m_fontId;
+    // are we using m_nativeFontInfo.lf.lfHeight for point size or pixel size?
+    bool             m_sizeUsingPixels;
 
 
-    // font characterstics
-    int           m_pointSize;
-    int           m_family;
-    int           m_style;
-    int           m_weight;
-    bool          m_underlined;
-    wxString      m_faceName;
-    wxFontEncoding m_encoding;
+    // Windows font handle, created on demand in GetHFONT()
+    HFONT            m_hFont;
 
 
-    // Windows font handle
-    WXHFONT       m_hFont;
+    // Native font info
+    wxNativeFontInfo m_nativeFontInfo;
 };
 
 };
 
+#define M_FONTDATA ((wxFontRefData*)m_refData)
+
 // ============================================================================
 // implementation
 // ============================================================================
 // ============================================================================
 // implementation
 // ============================================================================
@@ -121,345 +377,540 @@ protected:
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
 // ----------------------------------------------------------------------------
 
 void wxFontRefData::Init(int pointSize,
-                         int family,
-                         int style,
-                         int weight,
+                         const wxSize& pixelSize,
+                         bool sizeUsingPixels,
+                         wxFontFamily family,
+                         wxFontStyle style,
+                         wxFontWeight weight,
                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)
 {
                          bool underlined,
                          const wxString& faceName,
                          wxFontEncoding encoding)
 {
-    m_style = style;
-    m_pointSize = pointSize;
-    m_family = family;
-    m_style = style;
-    m_weight = weight;
-    m_underlined = underlined;
-    m_faceName = faceName;
-    m_encoding = encoding;
+    m_hFont = NULL;
+
+    m_sizeUsingPixels = sizeUsingPixels;
+    if ( m_sizeUsingPixels )
+        SetPixelSize(pixelSize);
+    else
+        SetPointSize(pointSize);
+
+    SetStyle(style);
+    SetWeight(weight);
+    SetUnderlined(underlined);
 
 
-    m_fontId = 0;
-    m_temporary = FALSE;
+    // set the family/facename
+    SetFamily(family);
+    if ( !faceName.empty() )
+        SetFaceName(faceName);
 
 
-    m_hFont = 0;
+    // deal with encoding now (it may override the font family and facename
+    // so do it after setting them)
+    SetEncoding(encoding);
+}
+
+void wxFontRefData::Init(const wxNativeFontInfo& info, WXHFONT hFont)
+{
+    // hFont may be zero, or it be passed in case we really want to
+    // use the exact font created in the underlying system
+    // (for example where we can't guarantee conversion from HFONT
+    // to LOGFONT back to HFONT)
+    m_hFont = (HFONT)hFont;
+    m_nativeFontInfo = info;
+
+    // TODO: m_sizeUsingPixels?
 }
 
 wxFontRefData::~wxFontRefData()
 }
 
 wxFontRefData::~wxFontRefData()
+{
+    Free();
+}
+
+bool wxFontRefData::Alloc()
+{
+    m_hFont = ::CreateFontIndirect(&m_nativeFontInfo.lf);
+    if ( !m_hFont )
+    {
+        wxLogLastError(wxT("CreateFont"));
+        return false;
+    }
+
+    return true;
+}
+
+void wxFontRefData::Free()
 {
     if ( m_hFont )
     {
 {
     if ( m_hFont )
     {
-        if ( !::DeleteObject((HFONT) m_hFont) )
+        if ( !::DeleteObject(m_hFont) )
         {
         {
-            wxLogLastError("DeleteObject(font)");
+            wxLogLastError(wxT("DeleteObject(font)"));
         }
         }
+
+        m_hFont = 0;
     }
 }
 
 // ----------------------------------------------------------------------------
     }
 }
 
 // ----------------------------------------------------------------------------
-// wxFont
+// wxNativeFontInfo
 // ----------------------------------------------------------------------------
 
 // ----------------------------------------------------------------------------
 
-void wxFont::Init()
+void wxNativeFontInfo::Init()
 {
 {
-    if ( wxTheFontList )
-        wxTheFontList->Append(this);
+    wxZeroMemory(lf);
+
+    // we get better font quality if we use PROOF_QUALITY instead of
+    // DEFAULT_QUALITY but some fonts (e.g. "Terminal 6pt") are not available
+    // then so we allow to set a global option to choose between quality and
+    // wider font selection
+#ifdef __WXWINCE__
+    lf.lfQuality = CLEARTYPE_QUALITY;
+#else
+    lf.lfQuality = wxSystemOptions::GetOptionInt("msw.font.no-proof-quality")
+                    ? DEFAULT_QUALITY
+                    : PROOF_QUALITY;
+#endif
 }
 
 }
 
-/* Constructor for a font. Note that the real construction is done
- * in wxDC::SetFont, when information is available about scaling etc.
- */
-bool wxFont::Create(int pointSize,
-                    int family,
-                    int style,
-                    int weight,
-                    bool underlined,
-                    const wxString& faceName,
-                    wxFontEncoding encoding)
+int wxNativeFontInfo::GetPointSize() const
 {
 {
-    UnRef();
-    m_refData = new wxFontRefData(pointSize, family, style, weight,
-                                  underlined, faceName, encoding);
+    // FIXME: using the screen here results in incorrect font size calculation
+    //        for printing!
+    const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
 
 
-    RealizeResource();
+    // BC++ 2007 doesn't provide abs(long) overload, hence the cast
+    return (int) (((72.0*abs((int)lf.lfHeight)) / (double) ppInch) + 0.5);
+}
 
 
-    return TRUE;
+wxSize wxNativeFontInfo::GetPixelSize() const
+{
+    wxSize ret;
+    ret.SetHeight(abs((int)lf.lfHeight));
+    ret.SetWidth(lf.lfWidth);
+    return ret;
 }
 
 }
 
-wxFont::~wxFont()
+wxFontStyle wxNativeFontInfo::GetStyle() const
 {
 {
-    if ( wxTheFontList )
-        wxTheFontList->DeleteObject(this);
+    return lf.lfItalic ? wxFONTSTYLE_ITALIC : wxFONTSTYLE_NORMAL;
 }
 
 }
 
-// ----------------------------------------------------------------------------
-// real implementation
-// ----------------------------------------------------------------------------
+wxFontWeight wxNativeFontInfo::GetWeight() const
+{
+    if ( lf.lfWeight <= 300 )
+        return wxFONTWEIGHT_LIGHT;
 
 
-bool wxFont::RealizeResource()
+    if ( lf.lfWeight >= 600 )
+        return wxFONTWEIGHT_BOLD;
+
+    return wxFONTWEIGHT_NORMAL;
+}
+
+bool wxNativeFontInfo::GetUnderlined() const
 {
 {
-    if ( GetResourceHandle() )
-    {
-        // VZ: the old code returned FALSE in this case, but it doesn't seem
-        //     to make sense because the font _was_ created
-        wxLogDebug(_T("Calling wxFont::RealizeResource() twice"));
+    return lf.lfUnderline != 0;
+}
 
 
-        return TRUE;
-    }
+wxString wxNativeFontInfo::GetFaceName() const
+{
+    return lf.lfFaceName;
+}
 
 
-    int ff_family = 0;
-    wxString ff_face;
+wxFontFamily wxNativeFontInfo::GetFamily() const
+{
+    wxFontFamily family;
 
 
-    switch ( M_FONTDATA->m_family )
+    // extract family from pitch-and-family
+    switch ( lf.lfPitchAndFamily & ~PITCH_MASK )
     {
     {
-        case wxSCRIPT:
-            ff_family = FF_SCRIPT ;
-            ff_face = _T("Script") ;
-            break ;
+        case 0:
+            family = wxFONTFAMILY_UNKNOWN;
+            break;
 
 
-        case wxDECORATIVE:
-            ff_family = FF_DECORATIVE;
+        case FF_ROMAN:
+            family = wxFONTFAMILY_ROMAN;
             break;
 
             break;
 
-        case wxROMAN:
-            ff_family = FF_ROMAN;
-            ff_face = _T("Times New Roman") ;
+        case FF_SWISS:
+            family = wxFONTFAMILY_SWISS;
             break;
 
             break;
 
-        case wxTELETYPE:
-        case wxMODERN:
-            ff_family = FF_MODERN;
-            ff_face = _T("Courier New") ;
+        case FF_SCRIPT:
+            family = wxFONTFAMILY_SCRIPT;
             break;
 
             break;
 
-        case wxSWISS:
-            ff_family = FF_SWISS;
-            ff_face = _T("Arial") ;
+        case FF_MODERN:
+            family = wxFONTFAMILY_MODERN;
+            break;
+
+        case FF_DECORATIVE:
+            family = wxFONTFAMILY_DECORATIVE;
             break;
 
             break;
 
-        case wxDEFAULT:
         default:
         default:
-            ff_family = FF_SWISS;
-            ff_face = _T("Arial") ; 
+            wxFAIL_MSG( "unknown LOGFONT::lfFamily value" );
+            family = wxFONTFAMILY_UNKNOWN;
+                // just to avoid a warning
     }
 
     }
 
-    BYTE ff_italic;
-    switch ( M_FONTDATA->m_style )
-    {
-        case wxITALIC:
-        case wxSLANT:
-            ff_italic = 1;
-            break;
+    return family;
+}
+
+wxFontEncoding wxNativeFontInfo::GetEncoding() const
+{
+    return wxGetFontEncFromCharSet(lf.lfCharSet);
+}
 
 
+void wxNativeFontInfo::SetPointSize(int pointsize)
+{
+    // FIXME: using the screen here results in incorrect font size calculation
+    //        for printing!
+    const int ppInch = ::GetDeviceCaps(ScreenHDC(), LOGPIXELSY);
+
+    lf.lfHeight = -(int)((pointsize*((double)ppInch)/72.0) + 0.5);
+}
+
+void wxNativeFontInfo::SetPixelSize(const wxSize& pixelSize)
+{
+    // MSW accepts both positive and negative heights here but they mean
+    // different things: positive specifies the cell height while negative
+    // specifies the character height. We used to just pass the value to MSW
+    // unchanged but changed the behaviour for positive values in 2.9.1 to
+    // match other ports and, more importantly, the expected behaviour. So now
+    // passing the negative height doesn't make sense at all any more but we
+    // still accept it for compatibility with the existing code which worked
+    // around the wrong interpretation of the height argument in older wxMSW
+    // versions by passing a negative value explicitly itself.
+    lf.lfHeight = -abs(pixelSize.GetHeight());
+    lf.lfWidth = pixelSize.GetWidth();
+}
+
+void wxNativeFontInfo::SetStyle(wxFontStyle style)
+{
+    switch ( style )
+    {
         default:
         default:
-            wxFAIL_MSG(_T("unknown font slant"));
+            wxFAIL_MSG( "unknown font style" );
             // fall through
 
             // fall through
 
-        case wxNORMAL:
-            ff_italic = 0;
+        case wxFONTSTYLE_NORMAL:
+            lf.lfItalic = FALSE;
+            break;
+
+        case wxFONTSTYLE_ITALIC:
+        case wxFONTSTYLE_SLANT:
+            lf.lfItalic = TRUE;
+            break;
     }
     }
+}
 
 
-    int ff_weight = 0;
-    switch ( M_FONTDATA->m_weight )
+void wxNativeFontInfo::SetWeight(wxFontWeight weight)
+{
+    switch ( weight )
     {
         default:
     {
         default:
-            wxFAIL_MSG(_T("unknown font weight"));
+            wxFAIL_MSG( "unknown font weight" );
             // fall through
 
             // fall through
 
-        case wxNORMAL:
-            ff_weight = FW_NORMAL;
+        case wxFONTWEIGHT_NORMAL:
+            lf.lfWeight = FW_NORMAL;
             break;
 
             break;
 
-        case wxLIGHT:
-            ff_weight = FW_LIGHT;
+        case wxFONTWEIGHT_LIGHT:
+            lf.lfWeight = FW_LIGHT;
             break;
 
             break;
 
-        case wxBOLD:
-            ff_weight = FW_BOLD;
+        case wxFONTWEIGHT_BOLD:
+            lf.lfWeight = FW_BOLD;
             break;
     }
             break;
     }
+}
 
 
-    const wxChar* pzFace;
-    if ( M_FONTDATA->m_faceName.IsEmpty() )
-        pzFace = ff_face;
-    else
-        pzFace = M_FONTDATA->m_faceName ;
+void wxNativeFontInfo::SetUnderlined(bool underlined)
+{
+    lf.lfUnderline = underlined;
+}
 
 
-#if 0
-    /* Always calculate fonts using the screen DC (is this the best strategy?)
-     * There may be confusion if a font is selected into a printer
-     * DC (say), because the height will be calculated very differently.
-     */
-    // What sort of display is it?
-    int technology = ::GetDeviceCaps(dc, TECHNOLOGY);
+bool wxNativeFontInfo::SetFaceName(const wxString& facename)
+{
+    wxStrlcpy(lf.lfFaceName, facename.c_str(), WXSIZEOF(lf.lfFaceName));
+    return true;
+}
 
 
-    int nHeight;
+void wxNativeFontInfo::SetFamily(wxFontFamily family)
+{
+    BYTE ff_family = FF_DONTCARE;
 
 
-    if (technology != DT_RASDISPLAY && technology != DT_RASPRINTER)
-    {
-        // Have to get screen DC Caps, because a metafile will return 0.
-        HDC dc2 = ::GetDC(NULL);
-        nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc2, LOGPIXELSY)/72;
-        ::ReleaseDC(NULL, dc2);
-    }
-    else
+    switch ( family )
     {
     {
-        nHeight = M_FONTDATA->m_pointSize*GetDeviceCaps(dc, LOGPIXELSY)/72;
-    }
-#endif // 0
+        case wxFONTFAMILY_SCRIPT:
+            ff_family = FF_SCRIPT;
+            break;
 
 
-#if 0
-    // Have to get screen DC Caps, because a metafile will return 0.
-    HDC dc2 = ::GetDC(NULL);
-    ppInch = ::GetDeviceCaps(dc2, LOGPIXELSY);
-    ::ReleaseDC(NULL, dc2);
-#endif // 0
+        case wxFONTFAMILY_DECORATIVE:
+            ff_family = FF_DECORATIVE;
+            break;
 
 
-    // New behaviour: apparently ppInch varies according to Large/Small Fonts
-    // setting in Windows. This messes up fonts. So, set ppInch to a constant
-    // 96 dpi.
-    static const int ppInch = 96;
+        case wxFONTFAMILY_ROMAN:
+            ff_family = FF_ROMAN;
+            break;
 
 
-#if wxFONT_SIZE_COMPATIBILITY
-    // Incorrect, but compatible with old wxWindows behaviour
-    int nHeight = (M_FONTDATA->m_pointSize*ppInch/72);
-#else
-    // Correct for Windows compatibility
-    int nHeight = - (M_FONTDATA->m_pointSize*ppInch/72);
-#endif
+        case wxFONTFAMILY_TELETYPE:
+        case wxFONTFAMILY_MODERN:
+            ff_family = FF_MODERN;
+            break;
 
 
-    BYTE ff_underline = M_FONTDATA->m_underlined;
+        case wxFONTFAMILY_SWISS:
+        case wxFONTFAMILY_DEFAULT:
+            ff_family = FF_SWISS;
+            break;
 
 
-    wxFontEncoding encoding = M_FONTDATA->m_encoding;
-    if ( encoding == wxFONTENCODING_DEFAULT )
-    {
-        encoding = wxFont::GetDefaultEncoding();
+        case wxFONTFAMILY_UNKNOWN:
+            wxFAIL_MSG( "invalid font family" );
+            return;
     }
 
     }
 
-    DWORD charset;
-    switch ( encoding )
-    {
-        case wxFONTENCODING_ISO8859_1:
-        case wxFONTENCODING_ISO8859_15:
-        case wxFONTENCODING_CP1250:
-            charset = ANSI_CHARSET;
-            break;
+    wxCHECK_RET( ff_family != FF_DONTCARE, "unknown wxFontFamily" );
 
 
-        case wxFONTENCODING_ISO8859_2:
-        case wxFONTENCODING_CP1252:
-            charset = EASTEUROPE_CHARSET;
-            break;
+    lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;
 
 
-        case wxFONTENCODING_ISO8859_4:
-        case wxFONTENCODING_ISO8859_10:
-            charset = BALTIC_CHARSET;
-            break;
+    // reset the facename so that CreateFontIndirect() will automatically choose a
+    // face name based only on the font family.
+    lf.lfFaceName[0] = '\0';
+}
 
 
-        case wxFONTENCODING_ISO8859_5:
-        case wxFONTENCODING_CP1251:
-            charset = RUSSIAN_CHARSET;
-            break;
+void wxNativeFontInfo::SetEncoding(wxFontEncoding encoding)
+{
+    wxNativeEncodingInfo info;
+    if ( !wxGetNativeFontEncoding(encoding, &info) )
+    {
+#if wxUSE_FONTMAP
+        if ( wxFontMapper::Get()->GetAltForEncoding(encoding, &info) )
+        {
+            if ( !info.facename.empty() )
+            {
+                // if we have this encoding only in some particular facename, use
+                // the facename - it is better to show the correct characters in a
+                // wrong facename than unreadable text in a correct one
+                SetFaceName(info.facename);
+            }
+        }
+        else
+#endif // wxUSE_FONTMAP
+        {
+            // unsupported encoding, replace with the default
+            info.charset = DEFAULT_CHARSET;
+        }
+    }
 
 
-        case wxFONTENCODING_ISO8859_6:
-            charset = ARABIC_CHARSET;
-            break;
+    lf.lfCharSet = (BYTE)info.charset;
+}
 
 
-        case wxFONTENCODING_ISO8859_7:
-            charset = GREEK_CHARSET;
-            break;
+bool wxNativeFontInfo::FromString(const wxString& s)
+{
+    long l;
+
+    wxStringTokenizer tokenizer(s, wxS(";"), wxTOKEN_RET_EMPTY_ALL);
+
+    // first the version
+    wxString token = tokenizer.GetNextToken();
+    if ( token != wxS('0') )
+        return false;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfHeight = l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfWidth = l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfEscapement = l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfOrientation = l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfWeight = l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfItalic = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfUnderline = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfStrikeOut = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfCharSet = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfOutPrecision = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfClipPrecision = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfQuality = (BYTE)l;
+
+    token = tokenizer.GetNextToken();
+    if ( !token.ToLong(&l) )
+        return false;
+    lf.lfPitchAndFamily = (BYTE)l;
+
+    if ( !tokenizer.HasMoreTokens() )
+        return false;
+
+    // the face name may be empty
+    SetFaceName(tokenizer.GetNextToken());
+
+    return true;
+}
 
 
-        case wxFONTENCODING_ISO8859_8:
-            charset = HEBREW_CHARSET;
-            break;
+wxString wxNativeFontInfo::ToString() const
+{
+    wxString s;
+
+    s.Printf(wxS("%d;%ld;%ld;%ld;%ld;%ld;%d;%d;%d;%d;%d;%d;%d;%d;%s"),
+             0, // version, in case we want to change the format later
+             lf.lfHeight,
+             lf.lfWidth,
+             lf.lfEscapement,
+             lf.lfOrientation,
+             lf.lfWeight,
+             lf.lfItalic,
+             lf.lfUnderline,
+             lf.lfStrikeOut,
+             lf.lfCharSet,
+             lf.lfOutPrecision,
+             lf.lfClipPrecision,
+             lf.lfQuality,
+             lf.lfPitchAndFamily,
+             lf.lfFaceName);
+
+    return s;
+}
 
 
-        case wxFONTENCODING_ISO8859_9:
-            charset = TURKISH_CHARSET;
-            break;
+// ----------------------------------------------------------------------------
+// wxFont
+// ----------------------------------------------------------------------------
 
 
-        case wxFONTENCODING_ISO8859_11:
-            charset = THAI_CHARSET;
-            break;
+wxFont::wxFont(const wxString& fontdesc)
+{
+    wxNativeFontInfo info;
+    if ( info.FromString(fontdesc) )
+        (void)Create(info);
+}
 
 
-        case wxFONTENCODING_CP437:
-            charset = OEM_CHARSET;
-            break;
+bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
+{
+    UnRef();
 
 
-        default:
-            wxFAIL_MSG(_T("unsupported encoding"));
-            // fall through
+    m_refData = new wxFontRefData(info, hFont);
 
 
-        case wxFONTENCODING_SYSTEM:
-            charset = ANSI_CHARSET;
-    }
+    return RealizeResource();
+}
 
 
-    HFONT hFont = ::CreateFont
-                  (
-                   nHeight,             // height
-                   0,                   // width (choose best)
-                   0,                   // escapement
-                   0,                   // orientation
-                   ff_weight,           // weight
-                   ff_italic,           // italic?
-                   ff_underline,        // underlined?
-                   0,                   // strikeout?
-                   charset,             // charset
-                   OUT_DEFAULT_PRECIS,  // precision
-                   CLIP_DEFAULT_PRECIS, // clip precision
-                   PROOF_QUALITY,       // quality of match
-                   DEFAULT_PITCH |      // fixed or variable
-                   ff_family,           // family id
-                   pzFace               // face name
-                  );
+bool wxFont::DoCreate(int pointSize,
+                      const wxSize& pixelSize,
+                      bool sizeUsingPixels,
+                      wxFontFamily family,
+                      wxFontStyle style,
+                      wxFontWeight weight,
+                      bool underlined,
+                      const wxString& faceName,
+                      wxFontEncoding encoding)
+{
+    UnRef();
 
 
-    M_FONTDATA->m_hFont = (WXHFONT)hFont;
-    if ( !hFont )
+    // wxDEFAULT is a valid value for the font size too so we must treat it
+    // specially here (otherwise the size would be 70 == wxDEFAULT value)
+    if ( pointSize == wxDEFAULT )
     {
     {
-        wxLogLastError("CreateFont");
+        pointSize = wxNORMAL_FONT->GetPointSize();
     }
 
     }
 
-    return hFont != 0;
+    m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
+                                  family, style, weight,
+                                  underlined, faceName, encoding);
+
+    return RealizeResource();
 }
 
 }
 
-bool wxFont::FreeResource(bool force)
+wxFont::~wxFont()
 {
 {
-    if ( GetResourceHandle() )
-    {
-        if ( !::DeleteObject((HFONT) M_FONTDATA->m_hFont) )
-        {
-            wxLogLastError("DeleteObject(font)");
-        }
+}
 
 
-        M_FONTDATA->m_hFont = 0;
+// ----------------------------------------------------------------------------
+// real implementation
+// ----------------------------------------------------------------------------
 
 
-        return TRUE;
-    }
-    return FALSE;
+wxGDIRefData *wxFont::CreateGDIRefData() const
+{
+    return new wxFontRefData();
 }
 
 }
 
-WXHANDLE wxFont::GetResourceHandle()
+wxGDIRefData *wxFont::CloneGDIRefData(const wxGDIRefData *data) const
+{
+    return new wxFontRefData(*static_cast<const wxFontRefData *>(data));
+}
+
+bool wxFont::RealizeResource()
+{
+    // NOTE: the GetHFONT() call automatically triggers a reallocation of
+    //       the HFONT if necessary (will do nothing if we already have the resource);
+    //       it returns NULL only if there is a failure in wxFontRefData::Alloc()...
+    return GetHFONT() != NULL;
+}
+
+bool wxFont::FreeResource(bool WXUNUSED(force))
 {
     if ( !M_FONTDATA )
 {
     if ( !M_FONTDATA )
-        return 0;
-    else
-        return (WXHANDLE)M_FONTDATA->m_hFont ;
+        return false;
+
+    M_FONTDATA->Free();
+
+    return true;
 }
 
 }
 
-bool wxFont::IsFree() const
+WXHANDLE wxFont::GetResourceHandle() const
 {
 {
-    return (M_FONTDATA && (M_FONTDATA->m_hFont == 0));
+    return (WXHANDLE)GetHFONT();
 }
 
 }
 
-void wxFont::Unshare()
+WXHFONT wxFont::GetHFONT() const
 {
 {
-    // Don't change shared data
-    if ( !m_refData )
-    {
-        m_refData = new wxFontRefData();
-    }
-    else
-    {
-        wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
-        UnRef();
-        m_refData = ref;
-    }
+    // NOTE: wxFontRefData::GetHFONT() will automatically call
+    //       wxFontRefData::Alloc() if necessary
+    return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
+}
+
+bool wxFont::IsFree() const
+{
+    return M_FONTDATA && !M_FONTDATA->HasHFONT();
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -468,65 +919,76 @@ void wxFont::Unshare()
 
 void wxFont::SetPointSize(int pointSize)
 {
 
 void wxFont::SetPointSize(int pointSize)
 {
-    Unshare();
-
-    M_FONTDATA->m_pointSize = pointSize;
+    AllocExclusive();
 
 
-    RealizeResource();
+    M_FONTDATA->Free();
+    M_FONTDATA->SetPointSize(pointSize);
 }
 
 }
 
-void wxFont::SetFamily(int family)
+void wxFont::SetPixelSize(const wxSize& pixelSize)
 {
 {
-    Unshare();
-
-    M_FONTDATA->m_family = family;
+    AllocExclusive();
 
 
-    RealizeResource();
+    M_FONTDATA->SetPixelSize(pixelSize);
 }
 
 }
 
-void wxFont::SetStyle(int style)
+void wxFont::SetFamily(wxFontFamily family)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_style = style;
-
-    RealizeResource();
+    M_FONTDATA->SetFamily(family);
 }
 
 }
 
-void wxFont::SetWeight(int weight)
+void wxFont::SetStyle(wxFontStyle style)
 {
 {
-    Unshare();
-
-    M_FONTDATA->m_weight = weight;
+    AllocExclusive();
 
 
-    RealizeResource();
+    M_FONTDATA->SetStyle(style);
 }
 
 }
 
-void wxFont::SetFaceName(const wxString& faceName)
+void wxFont::SetWeight(wxFontWeight weight)
 {
 {
-    Unshare();
+    AllocExclusive();
 
 
-    M_FONTDATA->m_faceName = faceName;
+    M_FONTDATA->SetWeight(weight);
+}
 
 
-    RealizeResource();
+bool wxFont::SetFaceName(const wxString& faceName)
+{
+    AllocExclusive();
+
+    if ( !M_FONTDATA->SetFaceName(faceName) )
+        return false;
+
+    // NB: using win32's GetObject() API on M_FONTDATA->GetHFONT()
+    //     to retrieve a LOGFONT and then compare lf.lfFaceName
+    //     with given facename is not reliable at all:
+    //     Windows copies the facename given to ::CreateFontIndirect()
+    //     without any validity check.
+    //     Thus we use wxFontBase::SetFaceName to check if facename
+    //     is valid...
+    return wxFontBase::SetFaceName(faceName);
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
 }
 
 void wxFont::SetUnderlined(bool underlined)
 {
-    Unshare();
-
-    M_FONTDATA->m_underlined = underlined;
+    AllocExclusive();
 
 
-    RealizeResource();
+    M_FONTDATA->SetUnderlined(underlined);
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
 }
 
 void wxFont::SetEncoding(wxFontEncoding encoding)
 {
-    Unshare();
+    AllocExclusive();
+
+    M_FONTDATA->SetEncoding(encoding);
+}
 
 
-    M_FONTDATA->m_encoding = encoding;
+void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
+{
+    AllocExclusive();
 
 
-    RealizeResource();
+    M_FONTDATA->SetNativeFontInfo(info);
 }
 
 // ----------------------------------------------------------------------------
 }
 
 // ----------------------------------------------------------------------------
@@ -535,43 +997,89 @@ void wxFont::SetEncoding(wxFontEncoding encoding)
 
 int wxFont::GetPointSize() const
 {
 
 int wxFont::GetPointSize() const
 {
-    return M_FONTDATA->m_pointSize;
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
+
+    return M_FONTDATA->GetPointSize();
 }
 
 }
 
-int wxFont::GetFamily() const
+wxSize wxFont::GetPixelSize() const
 {
 {
-    return M_FONTDATA->m_family;
+    wxCHECK_MSG( IsOk(), wxDefaultSize, wxT("invalid font") );
+
+    return M_FONTDATA->GetPixelSize();
 }
 
 }
 
-int wxFont::GetFontId() const
+bool wxFont::IsUsingSizeInPixels() const
 {
 {
-    return M_FONTDATA->m_fontId;
+    wxCHECK_MSG( IsOk(), 0, wxT("invalid font") );
+
+    return M_FONTDATA->IsUsingSizeInPixels();
 }
 
 }
 
-int wxFont::GetStyle() const
+wxFontFamily wxFont::GetFamily() const
 {
 {
-    return M_FONTDATA->m_style;
+    wxCHECK_MSG( IsOk(), wxFONTFAMILY_MAX, wxT("invalid font") );
+
+    return M_FONTDATA->GetFamily();
 }
 
 }
 
-int wxFont::GetWeight() const
+wxFontStyle wxFont::GetStyle() const
 {
 {
-    return M_FONTDATA->m_weight;
+    wxCHECK_MSG( IsOk(), wxFONTSTYLE_MAX, wxT("invalid font") );
+
+    return M_FONTDATA->GetStyle();
+}
+
+wxFontWeight wxFont::GetWeight() const
+{
+    wxCHECK_MSG( IsOk(), wxFONTWEIGHT_MAX, wxT("invalid font") );
+
+    return M_FONTDATA->GetWeight();
 }
 
 bool wxFont::GetUnderlined() const
 {
 }
 
 bool wxFont::GetUnderlined() const
 {
-    return M_FONTDATA->m_underlined;
+    wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+    return M_FONTDATA->GetUnderlined();
 }
 
 wxString wxFont::GetFaceName() const
 {
 }
 
 wxString wxFont::GetFaceName() const
 {
-    wxString str;
-    if ( M_FONTDATA )
-        str = M_FONTDATA->m_faceName ;
-    return str;
+    wxCHECK_MSG( IsOk(), wxEmptyString, wxT("invalid font") );
+
+    return M_FONTDATA->GetFaceName();
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {
 }
 
 wxFontEncoding wxFont::GetEncoding() const
 {
-    return M_FONTDATA->m_encoding;
+    wxCHECK_MSG( IsOk(), wxFONTENCODING_DEFAULT, wxT("invalid font") );
+
+    return M_FONTDATA->GetEncoding();
+}
+
+const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
+{
+    return IsOk() ? &(M_FONTDATA->GetNativeFontInfo()) : NULL;
+}
+
+bool wxFont::IsFixedWidth() const
+{
+    wxCHECK_MSG( IsOk(), false, wxT("invalid font") );
+
+    // LOGFONT doesn't contain the correct pitch information so we need to call
+    // GetTextMetrics() to get it
+    ScreenHDC hdc;
+    SelectInHDC selectFont(hdc, M_FONTDATA->GetHFONT());
+
+    TEXTMETRIC tm;
+    if ( !::GetTextMetrics(hdc, &tm) )
+    {
+        wxLogLastError(wxT("GetTextMetrics"));
+        return false;
+    }
+
+    // Quoting MSDN description of TMPF_FIXED_PITCH: "Note very carefully that
+    // those meanings are the opposite of what the constant name implies."
+    return !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
 }
 }
wxWidgets (Impactor)