font.cpp

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            // fall through

        case wxFONTSTYLE_NORMAL:
            lf.lfItalic = FALSE;
            break;

        case wxFONTSTYLE_ITALIC:
        case wxFONTSTYLE_SLANT:
            lf.lfItalic = TRUE;
            break;
    }
}

void wxNativeFontInfo::SetWeight(wxFontWeight weight)
{
    switch ( weight )
    {
        default:
            wxFAIL_MSG( _T("unknown font weight") );
            // fall through

        case wxFONTWEIGHT_NORMAL:
            lf.lfWeight = FW_NORMAL;
            break;

        case wxFONTWEIGHT_LIGHT:
            lf.lfWeight = FW_LIGHT;
            break;

        case wxFONTWEIGHT_BOLD:
            lf.lfWeight = FW_BOLD;
            break;
    }
}

void wxNativeFontInfo::SetUnderlined(bool underlined)
{
    lf.lfUnderline = underlined;
}

void wxNativeFontInfo::SetFaceName(wxString facename)
{
    wxStrncpy(lf.lfFaceName, facename, WXSIZEOF(lf.lfFaceName));
}

void wxNativeFontInfo::SetFamily(wxFontFamily family)
{
    BYTE ff_family;
    wxString facename;

    switch ( family )
    {
        case wxSCRIPT:
            ff_family = FF_SCRIPT;
            facename = _T("Script");
            break;

        case wxDECORATIVE:
            ff_family = FF_DECORATIVE;
            facename = _T("Old English Text MT");
            break;

        case wxROMAN:
            ff_family = FF_ROMAN;
            facename = _T("Times New Roman");
            break;

        case wxTELETYPE:
        case wxMODERN:
            ff_family = FF_MODERN;
            facename = _T("Courier New");
            break;

        case wxSWISS:
            ff_family = FF_SWISS;
            facename = _T("Arial");
            break;

        case wxDEFAULT:
        default:
        {
            // We want Windows 2000 or later to have new fonts even MS Shell Dlg
            // is returned as default GUI font for compatibility
            int verMaj;
            ff_family = FF_SWISS;
            if(wxGetOsVersion(&verMaj) == wxWINDOWS_NT && verMaj >= 5)
                facename = _T("MS Shell Dlg 2");
            else
                facename = _T("MS Shell Dlg");
        }
    }

    lf.lfPitchAndFamily = (BYTE)(DEFAULT_PITCH) | ff_family;

    if ( !wxStrlen(lf.lfFaceName) )
    {
        SetFaceName(facename);
    }
}

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;
        }
    }

    lf.lfCharSet = (BYTE)info.charset;
}

bool wxNativeFontInfo::FromString(const wxString& s)
{
    long l;

    wxStringTokenizer tokenizer(s, _T(";"));

    // first the version
    wxString token = tokenizer.GetNextToken();
    if ( token != _T('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;

    token = tokenizer.GetNextToken();
    if(!token)
        return false;
    wxStrcpy(lf.lfFaceName, token.c_str());

    return true;
}

wxString wxNativeFontInfo::ToString() const
{
    wxString s;

    s.Printf(_T("%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;
}

// ----------------------------------------------------------------------------
// wxFont
// ----------------------------------------------------------------------------

void wxFont::Init()
{
}

bool wxFont::Create(const wxNativeFontInfo& info, WXHFONT hFont)
{
    UnRef();

    m_refData = new wxFontRefData(info, hFont);

    RealizeResource();

    return true;
}

wxFont::wxFont(const wxString& fontdesc)
{
    wxNativeFontInfo info;
    if ( info.FromString(fontdesc) )
        (void)Create(info);
}

/* Constructor for a font. Note that the real construction is done
 * in wxDC::SetFont, when information is available about scaling etc.
 */
bool wxFont::DoCreate(int pointSize,
                      const wxSize& pixelSize,
                      bool sizeUsingPixels,
                      int family,
                      int style,
                      int weight,
                      bool underlined,
                      const wxString& faceName,
                      wxFontEncoding encoding)
{
    UnRef();

    // 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 )
    {
        pointSize = wxNORMAL_FONT->GetPointSize();
    }

    m_refData = new wxFontRefData(pointSize, pixelSize, sizeUsingPixels,
                                  family, style, weight,
                                  underlined, faceName, encoding);

    RealizeResource();

    return true;
}

wxFont::~wxFont()
{
}

// ----------------------------------------------------------------------------
// real implementation
// ----------------------------------------------------------------------------

bool wxFont::RealizeResource()
{
    if ( GetResourceHandle() )
    {
        // VZ: the old code returned false in this case, but it doesn't seem
        //     to make sense because the font _was_ created
        return true;
    }

    return M_FONTDATA->Alloc(this);
}

bool wxFont::FreeResource(bool WXUNUSED(force))
{
    if ( GetResourceHandle() )
    {
        M_FONTDATA->Free();

        return true;
    }

    return false;
}

WXHANDLE wxFont::GetResourceHandle() const
{
    return (WXHANDLE)GetHFONT();
}

WXHFONT wxFont::GetHFONT() const
{
    return M_FONTDATA ? M_FONTDATA->GetHFONT() : 0;
}

bool wxFont::IsFree() const
{
    return M_FONTDATA && (M_FONTDATA->GetHFONT() == 0);
}

void wxFont::Unshare()
{
    // Don't change shared data
    if ( !m_refData )
    {
        m_refData = new wxFontRefData();
    }
    else
    {
        wxFontRefData* ref = new wxFontRefData(*M_FONTDATA);
        UnRef();
        m_refData = ref;
    }
}

// ----------------------------------------------------------------------------
// change font attribute: we recreate font when doing it
// ----------------------------------------------------------------------------

void wxFont::SetPointSize(int pointSize)
{
    Unshare();

    M_FONTDATA->SetPointSize(pointSize);

    RealizeResource();
}

void wxFont::SetPixelSize(const wxSize& pixelSize)
{
    Unshare();

    M_FONTDATA->SetPixelSize(pixelSize);

    RealizeResource();
}

void wxFont::SetFamily(int family)
{
    Unshare();

    M_FONTDATA->SetFamily(family);

    RealizeResource();
}

void wxFont::SetStyle(int style)
{
    Unshare();

    M_FONTDATA->SetStyle(style);

    RealizeResource();
}

void wxFont::SetWeight(int weight)
{
    Unshare();

    M_FONTDATA->SetWeight(weight);

    RealizeResource();
}

void wxFont::SetFaceName(const wxString& faceName)
{
    Unshare();

    M_FONTDATA->SetFaceName(faceName);

    RealizeResource();
}

void wxFont::SetUnderlined(bool underlined)
{
    Unshare();

    M_FONTDATA->SetUnderlined(underlined);

    RealizeResource();
}

void wxFont::SetEncoding(wxFontEncoding encoding)
{
    Unshare();

    M_FONTDATA->SetEncoding(encoding);

    RealizeResource();
}

void wxFont::DoSetNativeFontInfo(const wxNativeFontInfo& info)
{
    Unshare();

    FreeResource();

    *M_FONTDATA = wxFontRefData(info);

    RealizeResource();
}

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

int wxFont::GetPointSize() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->GetPointSize();
}

wxSize wxFont::GetPixelSize() const
{
    return M_FONTDATA->GetPixelSize();
}

bool wxFont::IsUsingSizeInPixels() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->IsUsingSizeInPixels();
}

int wxFont::GetFamily() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->GetFamily();
}

int wxFont::GetStyle() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->GetStyle();
}

int wxFont::GetWeight() const
{
    wxCHECK_MSG( Ok(), 0, wxT("invalid font") );

    return M_FONTDATA->GetWeight();
}

bool wxFont::GetUnderlined() const
{
    wxCHECK_MSG( Ok(), false, wxT("invalid font") );

    return M_FONTDATA->GetUnderlined();
}

wxString wxFont::GetFaceName() const
{
    wxCHECK_MSG( Ok(), wxEmptyString, wxT("invalid font") );

    return M_FONTDATA->GetFaceName();
}

wxFontEncoding wxFont::GetEncoding() const
{
    wxCHECK_MSG( Ok(), wxFONTENCODING_DEFAULT, wxT("invalid font") );

    return M_FONTDATA->GetEncoding();
}

const wxNativeFontInfo *wxFont::GetNativeFontInfo() const
{
    return M_FONTDATA->HasNativeFontInfo() ? &(M_FONTDATA->GetNativeFontInfo())
                                           : NULL;
}

bool wxFont::IsFixedWidth() const
{
    if ( M_FONTDATA->HasNativeFontInfo() )
    {
        // the two low-order bits specify the pitch of the font, the rest is
        // family
        BYTE pitch =
            (BYTE)(M_FONTDATA->GetNativeFontInfo().lf.lfPitchAndFamily & PITCH_MASK);

        return pitch == FIXED_PITCH;
    }

    return wxFontBase::IsFixedWidth();
}