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251
wxWidgets/include/wx/font.h
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251
wxWidgets/include/wx/font.h
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/////////////////////////////////////////////////////////////////////////////
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// Name: wx/font.h
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// Purpose: wxFontBase class: the interface of wxFont
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 20.09.99
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// RCS-ID: $Id: font.h 53135 2008-04-12 02:31:04Z VZ $
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// Copyright: (c) wxWidgets team
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_FONT_H_BASE_
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#define _WX_FONT_H_BASE_
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/defs.h" // for wxDEFAULT &c
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#include "wx/fontenc.h" // the font encoding constants
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#include "wx/gdiobj.h" // the base class
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// ----------------------------------------------------------------------------
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// forward declarations
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxFontData;
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class WXDLLIMPEXP_FWD_CORE wxFontBase;
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class WXDLLIMPEXP_FWD_CORE wxFont;
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class WXDLLIMPEXP_FWD_CORE wxSize;
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// ----------------------------------------------------------------------------
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// font constants
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// ----------------------------------------------------------------------------
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// standard font families: these may be used only for the font creation, it
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// doesn't make sense to query an existing font for its font family as,
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// especially if the font had been created from a native font description, it
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// may be unknown
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enum wxFontFamily
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{
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wxFONTFAMILY_DEFAULT = wxDEFAULT,
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wxFONTFAMILY_DECORATIVE = wxDECORATIVE,
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wxFONTFAMILY_ROMAN = wxROMAN,
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wxFONTFAMILY_SCRIPT = wxSCRIPT,
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wxFONTFAMILY_SWISS = wxSWISS,
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wxFONTFAMILY_MODERN = wxMODERN,
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wxFONTFAMILY_TELETYPE = wxTELETYPE,
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wxFONTFAMILY_MAX,
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wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX
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};
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// font styles
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enum wxFontStyle
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{
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wxFONTSTYLE_NORMAL = wxNORMAL,
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wxFONTSTYLE_ITALIC = wxITALIC,
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wxFONTSTYLE_SLANT = wxSLANT,
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wxFONTSTYLE_MAX
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};
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// font weights
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enum wxFontWeight
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{
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wxFONTWEIGHT_NORMAL = wxNORMAL,
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wxFONTWEIGHT_LIGHT = wxLIGHT,
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wxFONTWEIGHT_BOLD = wxBOLD,
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wxFONTWEIGHT_MAX
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};
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// the font flag bits for the new font ctor accepting one combined flags word
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enum
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{
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// no special flags: font with default weight/slant/anti-aliasing
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wxFONTFLAG_DEFAULT = 0,
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// slant flags (default: no slant)
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wxFONTFLAG_ITALIC = 1 << 0,
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wxFONTFLAG_SLANT = 1 << 1,
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// weight flags (default: medium)
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wxFONTFLAG_LIGHT = 1 << 2,
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wxFONTFLAG_BOLD = 1 << 3,
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// anti-aliasing flag: force on or off (default: the current system default)
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wxFONTFLAG_ANTIALIASED = 1 << 4,
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wxFONTFLAG_NOT_ANTIALIASED = 1 << 5,
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// underlined/strikethrough flags (default: no lines)
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wxFONTFLAG_UNDERLINED = 1 << 6,
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wxFONTFLAG_STRIKETHROUGH = 1 << 7,
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// the mask of all currently used flags
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wxFONTFLAG_MASK = wxFONTFLAG_ITALIC |
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wxFONTFLAG_SLANT |
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wxFONTFLAG_LIGHT |
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wxFONTFLAG_BOLD |
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wxFONTFLAG_ANTIALIASED |
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wxFONTFLAG_NOT_ANTIALIASED |
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wxFONTFLAG_UNDERLINED |
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wxFONTFLAG_STRIKETHROUGH
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};
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// ----------------------------------------------------------------------------
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// wxFontBase represents a font object
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo;
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class WXDLLEXPORT wxFontBase : public wxGDIObject
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{
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public:
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// creator function
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virtual ~wxFontBase();
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// from the font components
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static wxFont *New(
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int pointSize, // size of the font in points
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int family, // see wxFontFamily enum
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int style, // see wxFontStyle enum
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int weight, // see wxFontWeight enum
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bool underlined = false, // not underlined by default
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const wxString& face = wxEmptyString, // facename
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wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
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// from the font components but using the font flags instead of separate
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// parameters for each flag
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static wxFont *New(int pointSize,
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wxFontFamily family,
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int flags = wxFONTFLAG_DEFAULT,
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const wxString& face = wxEmptyString,
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wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
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// from the font components
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static wxFont *New(
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const wxSize& pixelSize, // size of the font in pixels
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int family, // see wxFontFamily enum
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int style, // see wxFontStyle enum
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int weight, // see wxFontWeight enum
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bool underlined = false, // not underlined by default
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const wxString& face = wxEmptyString, // facename
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wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
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// from the font components but using the font flags instead of separate
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// parameters for each flag
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static wxFont *New(const wxSize& pixelSize,
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wxFontFamily family,
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int flags = wxFONTFLAG_DEFAULT,
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const wxString& face = wxEmptyString,
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wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
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// from the (opaque) native font description object
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static wxFont *New(const wxNativeFontInfo& nativeFontDesc);
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// from the string representation of wxNativeFontInfo
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static wxFont *New(const wxString& strNativeFontDesc);
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// was the font successfully created?
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bool Ok() const { return IsOk(); }
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bool IsOk() const { return m_refData != NULL; }
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// comparison
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bool operator == (const wxFont& font) const;
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bool operator != (const wxFont& font) const;
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// accessors: get the font characteristics
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virtual int GetPointSize() const = 0;
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virtual wxSize GetPixelSize() const;
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virtual bool IsUsingSizeInPixels() const;
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virtual int GetFamily() const = 0;
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virtual int GetStyle() const = 0;
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virtual int GetWeight() const = 0;
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virtual bool GetUnderlined() const = 0;
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virtual wxString GetFaceName() const = 0;
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virtual wxFontEncoding GetEncoding() const = 0;
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virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
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virtual bool IsFixedWidth() const;
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wxString GetNativeFontInfoDesc() const;
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wxString GetNativeFontInfoUserDesc() const;
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// change the font characteristics
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virtual void SetPointSize( int pointSize ) = 0;
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virtual void SetPixelSize( const wxSize& pixelSize );
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virtual void SetFamily( int family ) = 0;
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virtual void SetStyle( int style ) = 0;
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virtual void SetWeight( int weight ) = 0;
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virtual void SetUnderlined( bool underlined ) = 0;
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virtual void SetEncoding(wxFontEncoding encoding) = 0;
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virtual bool SetFaceName( const wxString& faceName );
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void SetNativeFontInfo(const wxNativeFontInfo& info)
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{ DoSetNativeFontInfo(info); }
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bool SetNativeFontInfo(const wxString& info);
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bool SetNativeFontInfoUserDesc(const wxString& info);
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// translate the fonts into human-readable string (i.e. GetStyleString()
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// will return "wxITALIC" for an italic font, ...)
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wxString GetFamilyString() const;
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wxString GetStyleString() const;
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wxString GetWeightString() const;
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// Unofficial API, don't use
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virtual void SetNoAntiAliasing( bool WXUNUSED(no) = true ) { }
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virtual bool GetNoAntiAliasing() const { return false; }
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// the default encoding is used for creating all fonts with default
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// encoding parameter
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static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
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static void SetDefaultEncoding(wxFontEncoding encoding);
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protected:
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// the function called by both overloads of SetNativeFontInfo()
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virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
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private:
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// the currently default encoding: by default, it's the default system
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// encoding, but may be changed by the application using
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// SetDefaultEncoding() to make all subsequent fonts created without
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// specifying encoding parameter using this encoding
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static wxFontEncoding ms_encodingDefault;
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};
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// include the real class declaration
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#if defined(__WXPALMOS__)
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#include "wx/palmos/font.h"
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#elif defined(__WXMSW__)
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#include "wx/msw/font.h"
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#elif defined(__WXMOTIF__)
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#include "wx/motif/font.h"
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#elif defined(__WXGTK20__)
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#include "wx/gtk/font.h"
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#elif defined(__WXGTK__)
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#include "wx/gtk1/font.h"
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#elif defined(__WXX11__)
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#include "wx/x11/font.h"
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#elif defined(__WXMGL__)
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#include "wx/mgl/font.h"
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#elif defined(__WXDFB__)
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#include "wx/dfb/font.h"
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#elif defined(__WXMAC__)
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#include "wx/mac/font.h"
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#elif defined(__WXCOCOA__)
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#include "wx/cocoa/font.h"
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#elif defined(__WXPM__)
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#include "wx/os2/font.h"
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#endif
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#endif
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// _WX_FONT_H_BASE_
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