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wxWidgets/include/wx/font.h

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/////////////////////////////////////////////////////////////////////////////
// Name: wx/font.h
// Purpose: wxFontBase class: the interface of wxFont
// Author: Vadim Zeitlin
// Modified by:
// Created: 20.09.99
// RCS-ID: $Id$
// Copyright: (c) wxWidgets team
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_FONT_H_BASE_
#define _WX_FONT_H_BASE_
#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma interface "fontbase.h"
#endif
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/defs.h" // for wxDEFAULT &c
#include "wx/fontenc.h" // the font encoding constants
#include "wx/gdiobj.h" // the base class
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFontData;
class WXDLLEXPORT wxFontBase;
class WXDLLEXPORT wxFont;
class WXDLLEXPORT wxSize;
// ----------------------------------------------------------------------------
// 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_NORMAL = wxNORMAL,
wxFONTWEIGHT_LIGHT = wxLIGHT,
wxFONTWEIGHT_BOLD = wxBOLD,
wxFONTWEIGHT_MAX
};
// the font flag bits for the new font ctor accepting one combined flags word
enum
{
// 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
};
// ----------------------------------------------------------------------------
// wxFontBase represents a font object
// ----------------------------------------------------------------------------
class WXDLLEXPORT wxFontRefData;
struct WXDLLEXPORT wxNativeFontInfo;
class WXDLLEXPORT wxFontBase : public wxGDIObject
{
public:
// creator function
virtual ~wxFontBase();
// from the font components
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, ...
// 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
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, ...
// 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);
// was the font successfully created?
bool Ok() const { return m_refData != NULL; }
// comparison
bool operator == (const wxFont& font) const;
bool operator != (const wxFont& font) const;
// accessors: get the font characteristics
virtual int GetPointSize() const = 0;
virtual wxSize GetPixelSize() const;
virtual bool IsUsingSizeInPixels() const;
virtual int GetFamily() const = 0;
virtual int GetStyle() const = 0;
virtual int GetWeight() const = 0;
virtual bool GetUnderlined() const = 0;
virtual wxString GetFaceName() const = 0;
virtual wxFontEncoding GetEncoding() const = 0;
virtual const wxNativeFontInfo *GetNativeFontInfo() const = 0;
virtual bool IsFixedWidth() const;
wxString GetNativeFontInfoDesc() const;
wxString GetNativeFontInfoUserDesc() const;
// change the font characteristics
virtual void SetPointSize( int pointSize ) = 0;
virtual void SetPixelSize( const wxSize& pixelSize );
virtual void SetFamily( int family ) = 0;
virtual void SetStyle( int style ) = 0;
virtual void SetWeight( int weight ) = 0;
virtual void SetFaceName( const wxString& faceName ) = 0;
virtual void SetUnderlined( bool underlined ) = 0;
virtual void SetEncoding(wxFontEncoding encoding) = 0;
void SetNativeFontInfo(const wxNativeFontInfo& info)
{ DoSetNativeFontInfo(info); }
void SetNativeFontInfo(const wxString& info);
void SetNativeFontInfoUserDesc(const wxString& info);
// 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;
// Unofficial API, don't use
virtual void SetNoAntiAliasing( bool WXUNUSED(no) = true ) { }
virtual bool GetNoAntiAliasing() const { return false; }
// the default encoding is used for creating all fonts with default
// encoding parameter
static wxFontEncoding GetDefaultEncoding() { return ms_encodingDefault; }
static void SetDefaultEncoding(wxFontEncoding encoding);
protected:
// get the internal data
wxFontRefData *GetFontData() const
{ return (wxFontRefData *)m_refData; }
// the function called by both overloads of SetNativeFontInfo()
virtual void DoSetNativeFontInfo(const wxNativeFontInfo& info);
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
// specifing encoding parameter using this encoding
static wxFontEncoding ms_encodingDefault;
};
// include the real class declaration
#if defined(__WXPALMOS__)
#include "wx/palmos/font.h"
#elif defined(__WXMSW__)
#include "wx/msw/font.h"
#elif defined(__WXMOTIF__)
#include "wx/motif/font.h"
#elif defined(__WXGTK__)
#include "wx/gtk/font.h"
#elif defined(__WXX11__)
#include "wx/x11/font.h"
#elif defined(__WXMGL__)
#include "wx/mgl/font.h"
#elif defined(__WXMAC__)
#include "wx/mac/font.h"
#elif defined(__WXCOCOA__)
#include "wx/cocoa/font.h"
#elif defined(__WXPM__)
#include "wx/os2/font.h"
#endif
// ----------------------------------------------------------------------------
// macros
// ----------------------------------------------------------------------------
#define M_FONTDATA GetFontData()
#endif
// _WX_FONT_H_BASE_
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