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wxWidgets/include/wx/font.h
Vadim Zeitlin 6dd9f4208e Make converters between wxFontWeight and raw values public 
These functions can be useful outside of src/common/fontcmn.cpp and,
potentially, even in the user code, so make them public methods of
wxFont.

No real changes, just add asserts verifying input argument value to
GetWeightClosestToNumericValue().
2018-09-17 15:24:40 +02:00

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/font.h
// Purpose: wxFontBase class: the interface of wxFont
// Author: Vadim Zeitlin
// Modified by:
// Created: 20.09.99
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FONT_H_BASE_
#define _WX_FONT_H_BASE_
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h" // for wxDEFAULT &c
#include "wx/fontenc.h" // the font encoding constants
#include "wx/gdiobj.h" // the base class
#include "wx/gdicmn.h" // for wxGDIObjListBase
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxFont;
// ----------------------------------------------------------------------------
// font constants
// ----------------------------------------------------------------------------
// standard font families: these may be used only for the font creation, it
// doesn't make sense to query an existing font for its font family as,
// especially if the font had been created from a native font description, it
// may be unknown
enum wxFontFamily
{
wxFONTFAMILY_DEFAULT = wxDEFAULT,
wxFONTFAMILY_DECORATIVE = wxDECORATIVE,
wxFONTFAMILY_ROMAN = wxROMAN,
wxFONTFAMILY_SCRIPT = wxSCRIPT,
wxFONTFAMILY_SWISS = wxSWISS,
wxFONTFAMILY_MODERN = wxMODERN,
wxFONTFAMILY_TELETYPE = wxTELETYPE,
wxFONTFAMILY_MAX,
wxFONTFAMILY_UNKNOWN = wxFONTFAMILY_MAX
};
// font styles
enum wxFontStyle
{
wxFONTSTYLE_NORMAL = wxNORMAL,
wxFONTSTYLE_ITALIC = wxITALIC,
wxFONTSTYLE_SLANT = wxSLANT,
wxFONTSTYLE_MAX
};
// font weights
enum wxFontWeight
{
wxFONTWEIGHT_INVALID = 0,
wxFONTWEIGHT_THIN = 100,
wxFONTWEIGHT_EXTRALIGHT = 200,
wxFONTWEIGHT_LIGHT = 300,
wxFONTWEIGHT_NORMAL = 400,
wxFONTWEIGHT_MEDIUM = 500,
wxFONTWEIGHT_SEMIBOLD = 600,
wxFONTWEIGHT_BOLD = 700,
wxFONTWEIGHT_EXTRABOLD = 800,
wxFONTWEIGHT_HEAVY = 900,
wxFONTWEIGHT_EXTRAHEAVY = 1000,
wxFONTWEIGHT_MAX = wxFONTWEIGHT_EXTRAHEAVY
};
// Symbolic font sizes as defined in CSS specification.
enum wxFontSymbolicSize
{
wxFONTSIZE_XX_SMALL = -3,
wxFONTSIZE_X_SMALL,
wxFONTSIZE_SMALL,
wxFONTSIZE_MEDIUM,
wxFONTSIZE_LARGE,
wxFONTSIZE_X_LARGE,
wxFONTSIZE_XX_LARGE
};
// the font flag bits for the new font ctor accepting one combined flags word
enum wxFontFlag
{
// no special flags: font with default weight/slant/anti-aliasing
wxFONTFLAG_DEFAULT = 0,
// slant flags (default: no slant)
wxFONTFLAG_ITALIC = 1 << 0,
wxFONTFLAG_SLANT = 1 << 1,
// weight flags (default: medium)
wxFONTFLAG_LIGHT = 1 << 2,
wxFONTFLAG_BOLD = 1 << 3,
// anti-aliasing flag: force on or off (default: the current system default)
wxFONTFLAG_ANTIALIASED = 1 << 4,
wxFONTFLAG_NOT_ANTIALIASED = 1 << 5,
// underlined/strikethrough flags (default: no lines)
wxFONTFLAG_UNDERLINED = 1 << 6,
wxFONTFLAG_STRIKETHROUGH = 1 << 7,
// the mask of all currently used flags
wxFONTFLAG_MASK = wxFONTFLAG_ITALIC |
wxFONTFLAG_SLANT |
wxFONTFLAG_LIGHT |
wxFONTFLAG_BOLD |
wxFONTFLAG_ANTIALIASED |
wxFONTFLAG_NOT_ANTIALIASED |
wxFONTFLAG_UNDERLINED |
wxFONTFLAG_STRIKETHROUGH
};
// ----------------------------------------------------------------------------
// wxFontInfo describes a wxFont
// ----------------------------------------------------------------------------
class wxFontInfo
{
public:
// Default ctor uses the default font size appropriate for the current
// platform.
wxFontInfo()
{ InitPointSize(-1); }
// These ctors specify the font size, either in points or in pixels.
explicit wxFontInfo(int pointSize)
{ InitPointSize(pointSize); }
explicit wxFontInfo(const wxSize& pixelSize) : m_pixelSize(pixelSize)
{ Init(); }
// Setters for the various attributes. All of them return the object itself
// so that the calls to them could be chained.
wxFontInfo& Family(wxFontFamily family)
{ m_family = family; return *this; }
wxFontInfo& FaceName(const wxString& faceName)
{ m_faceName = faceName; return *this; }
wxFontInfo& Bold(bool bold = true)
{ SetFlag(wxFONTFLAG_BOLD, bold); return *this; }
wxFontInfo& Light(bool light = true)
{ SetFlag(wxFONTFLAG_LIGHT, light); return *this; }
wxFontInfo& Italic(bool italic = true)
{ SetFlag(wxFONTFLAG_ITALIC, italic); return *this; }
wxFontInfo& Slant(bool slant = true)
{ SetFlag(wxFONTFLAG_SLANT, slant); return *this; }
wxFontInfo& AntiAliased(bool antiAliased = true)
{ SetFlag(wxFONTFLAG_ANTIALIASED, antiAliased); return *this; }
wxFontInfo& Underlined(bool underlined = true)
{ SetFlag(wxFONTFLAG_UNDERLINED, underlined); return *this; }
wxFontInfo& Strikethrough(bool strikethrough = true)
{ SetFlag(wxFONTFLAG_STRIKETHROUGH, strikethrough); return *this; }
wxFontInfo& Encoding(wxFontEncoding encoding)
{ m_encoding = encoding; return *this; }
// Set all flags at once.
wxFontInfo& AllFlags(int flags)
{ m_flags = flags; return *this; }
// Accessors are mostly meant to be used by wxFont itself to extract the
// various pieces of the font description.
bool IsUsingSizeInPixels() const { return m_pixelSize != wxDefaultSize; }
int GetPointSize() const { return m_pointSize; }
wxSize GetPixelSize() const { return m_pixelSize; }
wxFontFamily GetFamily() const { return m_family; }
const wxString& GetFaceName() const { return m_faceName; }
wxFontStyle GetStyle() const
{
return m_flags & wxFONTFLAG_ITALIC
? wxFONTSTYLE_ITALIC
: m_flags & wxFONTFLAG_SLANT
? wxFONTSTYLE_SLANT
: wxFONTSTYLE_NORMAL;
}
wxFontWeight GetWeight() const
{
return m_flags & wxFONTFLAG_LIGHT
? wxFONTWEIGHT_LIGHT
: m_flags & wxFONTFLAG_BOLD
? wxFONTWEIGHT_BOLD
: wxFONTWEIGHT_NORMAL;
}
bool IsAntiAliased() const
{
return (m_flags & wxFONTFLAG_ANTIALIASED) != 0;
}
bool IsUnderlined() const
{
return (m_flags & wxFONTFLAG_UNDERLINED) != 0;
}
bool IsStrikethrough() const
{
return (m_flags & wxFONTFLAG_STRIKETHROUGH) != 0;
}
wxFontEncoding GetEncoding() const { return m_encoding; }
// Default copy ctor, assignment operator and dtor are OK.
private:
void Init()
{
m_pointSize = -1;
m_family = wxFONTFAMILY_DEFAULT;
m_flags = wxFONTFLAG_DEFAULT;
m_encoding = wxFONTENCODING_DEFAULT;
}
void InitPointSize(int pointSize)
{
Init();
m_pointSize = pointSize;
m_pixelSize = wxDefaultSize;
}
// Turn on or off the given bit in m_flags depending on the value of the
// boolean argument.
void SetFlag(int flag, bool on)
{
if ( on )
m_flags |= flag;
else
m_flags &= ~flag;
}
// The size information: if m_pixelSize is valid (!= wxDefaultSize), then
// it is used. Otherwise m_pointSize is used, taking into account that if
// it is == -1, it means that the platform dependent font size should be
// used.
int m_pointSize;
wxSize m_pixelSize;
wxFontFamily m_family;
wxString m_faceName;
int m_flags;
wxFontEncoding m_encoding;
};
// ----------------------------------------------------------------------------
// wxFontBase represents a font object
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_CORE wxNativeFontInfo;
class WXDLLIMPEXP_CORE wxFontBase : public wxGDIObject
{
public:
/*
derived classes should provide the following ctors:
wxFont();
wxFont(const wxFontInfo& info);
wxFont(const wxString& nativeFontInfoString);
wxFont(const wxNativeFontInfo& info);
wxFont(int size,
wxFontFamily family,
wxFontStyle style,
wxFontWeight weight,
bool underlined = false,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
wxFont(const wxSize& pixelSize,
wxFontFamily family,
wxFontStyle style,
wxFontWeight weight,
bool underlined = false,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
*/
// creator function
virtual ~wxFontBase();
// from the font components
static wxFont *New(
int pointSize, // size of the font in points
wxFontFamily family, // see wxFontFamily enum
wxFontStyle style, // see wxFontStyle enum
wxFontWeight weight, // see wxFontWeight enum
bool underlined = false, // not underlined by default
const wxString& face = wxEmptyString, // facename
wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
// from the font components
static wxFont *New(
const wxSize& pixelSize, // size of the font in pixels
wxFontFamily family, // see wxFontFamily enum
wxFontStyle style, // see wxFontStyle enum
wxFontWeight weight, // see wxFontWeight enum
bool underlined = false, // not underlined by default
const wxString& face = wxEmptyString, // facename
wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
// from the font components but using the font flags instead of separate
// parameters for each flag
static wxFont *New(int pointSize,
wxFontFamily family,
int flags = wxFONTFLAG_DEFAULT,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
// from the font components but using the font flags instead of separate
// parameters for each flag
static wxFont *New(const wxSize& pixelSize,
wxFontFamily family,
int flags = wxFONTFLAG_DEFAULT,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
// from the (opaque) native font description object
static wxFont *New(const wxNativeFontInfo& nativeFontDesc);
// from the string representation of wxNativeFontInfo
static wxFont *New(const wxString& strNativeFontDesc);
// Load the font from the given file and return true on success or false on
// error (an error message will be logged in this case).
#if wxUSE_PRIVATE_FONTS
static bool AddPrivateFont(const wxString& filename);
#endif // wxUSE_PRIVATE_FONTS
// comparison
bool operator==(const wxFont& font) const;
bool operator!=(const wxFont& font) const { return !(*this == font); }
// accessors: get the font characteristics
virtual int GetPointSize() const;
virtual float GetFractionalPointSize() const = 0;
virtual wxSize GetPixelSize() const;
virtual bool IsUsingSizeInPixels() const;
wxFontFamily GetFamily() const;
virtual wxFontStyle GetStyle() const = 0;
virtual int GetNumericWeight() const = 0;
virtual bool GetUnderlined() const = 0;
virtual bool GetStrikethrough() const { return false; }
virtual wxString GetFaceName() const = 0;
virtual wxFontEncoding GetEncoding() const = 0;
virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
// Accessors that can be overridden in the platform-specific code but for
// which we provide a reasonable default implementation in the base class.
virtual wxFontWeight GetWeight() const;
virtual bool IsFixedWidth() const;
wxString GetNativeFontInfoDesc() const;
wxString GetNativeFontInfoUserDesc() const;
// change the font characteristics
virtual void SetPointSize( int pointSize );
virtual void SetFractionalPointSize( float pointSize ) = 0;
virtual void SetPixelSize( const wxSize& pixelSize );
virtual void SetFamily( wxFontFamily family ) = 0;
virtual void SetStyle( wxFontStyle style ) = 0;
virtual void SetNumericWeight( int weight ) = 0;
virtual void SetUnderlined( bool underlined ) = 0;
virtual void SetStrikethrough( bool WXUNUSED(strikethrough) ) {}
virtual void SetEncoding(wxFontEncoding encoding) = 0;
virtual bool SetFaceName( const wxString& faceName );
void SetNativeFontInfo(const wxNativeFontInfo& info)
{ DoSetNativeFontInfo(info); }
// Similarly to the accessors above, the functions in this group have a
// reasonable default implementation in the base class.
virtual void SetWeight( wxFontWeight weight );
bool SetNativeFontInfo(const wxString& info);
bool SetNativeFontInfoUserDesc(const wxString& info);
// Symbolic font sizes support: set the font size to "large" or "very
// small" either absolutely (i.e. compared to the default font size) or
// relatively to the given font size.
void SetSymbolicSize(wxFontSymbolicSize size);
void SetSymbolicSizeRelativeTo(wxFontSymbolicSize size, int base)
{
SetPointSize(AdjustToSymbolicSize(size, base));
}
// Adjust the base size in points according to symbolic size.
static int AdjustToSymbolicSize(wxFontSymbolicSize size, int base);
// translate the fonts into human-readable string (i.e. GetStyleString()
// will return "wxITALIC" for an italic font, ...)
wxString GetFamilyString() const;
wxString GetStyleString() const;
wxString GetWeightString() const;
// the default encoding is used for creating all fonts with default
// encoding parameter
static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
static void SetDefaultEncoding(wxFontEncoding encoding);
// Convert between symbolic and numeric font weights.
static int GetNumericWeightOf(wxFontWeight weight);
static wxFontWeight GetWeightClosestToNumericValue(int numWeight);
// this doesn't do anything and is kept for compatibility only
#if WXWIN_COMPATIBILITY_2_8
wxDEPRECATED_INLINE(void SetNoAntiAliasing(bool no = true), wxUnusedVar(no);)
wxDEPRECATED_INLINE(bool GetNoAntiAliasing() const, return false;)
#endif // WXWIN_COMPATIBILITY_2_8
wxDEPRECATED_MSG("use wxFONTWEIGHT_XXX constants instead of raw values")
void SetWeight(int weight)
{ SetWeight(static_cast<wxFontWeight>(weight)); }
wxDEPRECATED_MSG("use wxFONTWEIGHT_XXX constants instead of wxLIGHT/wxNORMAL/wxBOLD")
void SetWeight(wxDeprecatedGUIConstants weight)
{ SetWeight(static_cast<wxFontWeight>(weight)); }
// from the font components
wxDEPRECATED_MSG("use wxFONT{FAMILY,STYLE,WEIGHT}_XXX constants")
static wxFont *New(
int pointSize, // size of the font in points
int family, // see wxFontFamily enum
int style, // see wxFontStyle enum
int weight, // see wxFontWeight enum
bool underlined = false, // not underlined by default
const wxString& face = wxEmptyString, // facename
wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ...
{ return New(pointSize, (wxFontFamily)family, (wxFontStyle)style,
(wxFontWeight)weight, underlined, face, encoding); }
// from the font components
wxDEPRECATED_MSG("use wxFONT{FAMILY,STYLE,WEIGHT}_XXX constants")
static wxFont *New(
const wxSize& pixelSize, // size of the font in pixels
int family, // see wxFontFamily enum
int style, // see wxFontStyle enum
int weight, // see wxFontWeight enum
bool underlined = false, // not underlined by default
const wxString& face = wxEmptyString, // facename
wxFontEncoding encoding = wxFONTENCODING_DEFAULT) // ISO8859-X, ...
{ return New(pixelSize, (wxFontFamily)family, (wxFontStyle)style,
(wxFontWeight)weight, underlined, face, encoding); }
protected:
// the function called by both overloads of SetNativeFontInfo()
virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
// The function called by public GetFamily(): it can return
// wxFONTFAMILY_UNKNOWN unlike the public method (see comment there).
virtual wxFontFamily DoGetFamily() const = 0;
// Helper functions to recover wxFONTSTYLE/wxFONTWEIGHT and underlined flag
// values from flags containing a combination of wxFONTFLAG_XXX.
static wxFontStyle GetStyleFromFlags(int flags)
{
return flags & wxFONTFLAG_ITALIC
? wxFONTSTYLE_ITALIC
: flags & wxFONTFLAG_SLANT
? wxFONTSTYLE_SLANT
: wxFONTSTYLE_NORMAL;
}
static wxFontWeight GetWeightFromFlags(int flags)
{
return flags & wxFONTFLAG_LIGHT
? wxFONTWEIGHT_LIGHT
: flags & wxFONTFLAG_BOLD
? wxFONTWEIGHT_BOLD
: wxFONTWEIGHT_NORMAL;
}
static bool GetUnderlinedFromFlags(int flags)
{
return (flags & wxFONTFLAG_UNDERLINED) != 0;
}
static bool GetStrikethroughFromFlags(int flags)
{
return (flags & wxFONTFLAG_STRIKETHROUGH) != 0;
}
// For compatibility reasons, we continue to accept wxDEFAULT as meaning
// "default font size" and wxNORMAL and similar deprecated constants
// instead of wxFONT{WEIGHT,STYLE}_NORMAL. This function modifies its
// parameters to account for this if necessary.
static void AccountForCompatValues(int& pointSize,
wxFontStyle& style,
wxFontWeight& weight);
private:
// the currently default encoding: by default, it's the default system
// encoding, but may be changed by the application using
// SetDefaultEncoding() to make all subsequent fonts created without
// specifying encoding parameter using this encoding
static wxFontEncoding ms_encodingDefault;
};
// wxFontBase <-> wxString utilities, used by wxConfig
WXDLLIMPEXP_CORE wxString wxToString(const wxFontBase& font);
WXDLLIMPEXP_CORE bool wxFromString(const wxString& str, wxFontBase* font);
// this macro must be used in all derived wxFont classes declarations
#define wxDECLARE_COMMON_FONT_METHODS() \
wxDEPRECATED_MSG("use wxFONTFAMILY_XXX constants") \
void SetFamily(int family) \
{ SetFamily((wxFontFamily)family); } \
wxDEPRECATED_MSG("use wxFONTSTYLE_XXX constants") \
void SetStyle(int style) \
{ SetStyle((wxFontStyle)style); } \
wxDEPRECATED_MSG("use wxFONTFAMILY_XXX constants") \
void SetFamily(wxDeprecatedGUIConstants family) \
{ SetFamily((wxFontFamily)family); } \
wxDEPRECATED_MSG("use wxFONTSTYLE_XXX constants") \
void SetStyle(wxDeprecatedGUIConstants style) \
{ SetStyle((wxFontStyle)style); } \
\
/* functions for modifying font in place */ \
wxFont& MakeBold(); \
wxFont& MakeItalic(); \
wxFont& MakeUnderlined(); \
wxFont& MakeStrikethrough(); \
wxFont& MakeLarger() { return Scale(1.2f); } \
wxFont& MakeSmaller() { return Scale(1/1.2f); } \
wxFont& Scale(float x); \
/* functions for creating fonts based on this one */ \
wxFont Bold() const; \
wxFont GetBaseFont() const; \
wxFont Italic() const; \
wxFont Underlined() const; \
wxFont Strikethrough() const; \
wxFont Larger() const { return Scaled(1.2f); } \
wxFont Smaller() const { return Scaled(1/1.2f); } \
wxFont Scaled(float x) const
// include the real class declaration
#if defined(__WXMSW__)
#include "wx/msw/font.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/font.h"
#elif defined(__WXGTK20__)
#include "wx/gtk/font.h"
#elif defined(__WXGTK__)
#include "wx/gtk1/font.h"
#elif defined(__WXX11__)
#include "wx/x11/font.h"
#elif defined(__WXDFB__)
#include "wx/dfb/font.h"
#elif defined(__WXMAC__)
#include "wx/osx/font.h"
#elif defined(__WXQT__)
#include "wx/qt/font.h"
#endif
class WXDLLIMPEXP_CORE wxFontList: public wxGDIObjListBase
{
public:
wxFont *FindOrCreateFont(int pointSize,
wxFontFamily family,
wxFontStyle style,
wxFontWeight weight,
bool underline = false,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
wxDEPRECATED_MSG("use wxFONT{FAMILY,STYLE,WEIGHT}_XXX constants")
wxFont *FindOrCreateFont(int pointSize, int family, int style, int weight,
bool underline = false,
const wxString& face = wxEmptyString,
wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
{ return FindOrCreateFont(pointSize, (wxFontFamily)family, (wxFontStyle)style,
(wxFontWeight)weight, underline, face, encoding); }
wxFont *FindOrCreateFont(const wxFontInfo& fontInfo)
{ return FindOrCreateFont(fontInfo.GetPointSize(), fontInfo.GetFamily(),
fontInfo.GetStyle(), fontInfo.GetWeight(),
fontInfo.IsUnderlined(), fontInfo.GetFaceName(),
fontInfo.GetEncoding()); }
};
extern WXDLLIMPEXP_DATA_CORE(wxFontList*) wxTheFontList;
// provide comparison operators to allow code such as
//
// if ( font.GetStyle() == wxFONTSTYLE_SLANT )
//
// to compile without warnings which it would otherwise provoke from some
// compilers as it compares elements of different enums
// Unfortunately some compilers have ambiguity issues when enum comparisons are
// overloaded so we have to disable the overloads in this case, see
// wxCOMPILER_NO_OVERLOAD_ON_ENUM definition in wx/platform.h for more details.
#ifndef wxCOMPILER_NO_OVERLOAD_ON_ENUM
wxDEPRECATED_MSG("use wxFONTFAMILY_XXX constants") \
inline bool operator==(wxFontFamily s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) == static_cast<int>(t); }
wxDEPRECATED_MSG("use wxFONTFAMILY_XXX constants") \
inline bool operator!=(wxFontFamily s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) != static_cast<int>(t); }
wxDEPRECATED_MSG("use wxFONTSTYLE_XXX constants") \
inline bool operator==(wxFontStyle s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) == static_cast<int>(t); }
wxDEPRECATED_MSG("use wxFONTSTYLE_XXX constants") \
inline bool operator!=(wxFontStyle s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) != static_cast<int>(t); }
wxDEPRECATED_MSG("use wxFONTWEIGHT_XXX constants") \
inline bool operator==(wxFontWeight s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) == static_cast<int>(t); }
wxDEPRECATED_MSG("use wxFONTWEIGHT_XXX constants") \
inline bool operator!=(wxFontWeight s, wxDeprecatedGUIConstants t)
{ return static_cast<int>(s) != static_cast<int>(t); }
#endif // // wxCOMPILER_NO_OVERLOAD_ON_ENUM
#endif // _WX_FONT_H_BASE_
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