include/wx/font.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/font.h
   3 // Purpose:     wxFontBase class: the interface of wxFont
   4 // Author:      Vadim Zeitlin
   5 // Modified by:
   6 // Created:     20.09.99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWindows team
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_FONT_H_BASE_
  13 #define _WX_FONT_H_BASE_
  14
  15 #ifdef __GNUG__
  16     #pragma interface "fontbase.h"
  17 #endif
  18
  19 // ----------------------------------------------------------------------------
  20 // headers
  21 // ----------------------------------------------------------------------------
  22
  23 #include "wx/defs.h"        // for wxDEFAULT &c
  24 #include "wx/gdiobj.h"      // the base class
  25
  26 // ----------------------------------------------------------------------------
  27 // forward declarations
  28 // ----------------------------------------------------------------------------
  29
  30 class WXDLLEXPORT wxFontBase;
  31 class WXDLLEXPORT wxFont;
  32
  33 // ----------------------------------------------------------------------------
  34 // font constants
  35 // ----------------------------------------------------------------------------
  36
  37 // standard font families
  38 enum wxFontFamily
  39 {
  40     wxFONTFAMILY_DEFAULT = wxDEFAULT,
  41     wxFONTFAMILY_DECORATIVE = wxDECORATIVE,
  42     wxFONTFAMILY_ROMAN = wxROMAN,
  43     wxFONTFAMILY_SCRIPT = wxSCRIPT,
  44     wxFONTFAMILY_SWISS = wxSWISS,
  45     wxFONTFAMILY_MODERN = wxMODERN,
  46     wxFONTFAMILY_TELETYPE = wxTELETYPE,
  47     wxFONTFAMILY_MAX
  48 };
  49
  50 // font styles
  51 enum wxFontStyle
  52 {
  53     wxFONTSTYLE_NORMAL = wxNORMAL,
  54     wxFONTSTYLE_ITALIC = wxITALIC,
  55     wxFONTSTYLE_SLANT = wxSLANT,
  56     wxFONTSTYLE_MAX
  57 };
  58
  59 // font weights
  60 enum wxFontWeight
  61 {
  62     wxFONTWEIGHT_NORMAL = wxNORMAL,
  63     wxFONTWEIGHT_LIGHT = wxLIGHT,
  64     wxFONTWEIGHT_BOLD = wxBOLD,
  65     wxFONTWEIGHT_MAX
  66 };
  67
  68 // font encodings
  69 enum wxFontEncoding
  70 {
  71     wxFONTENCODING_SYSTEM = -1,     // system default
  72     wxFONTENCODING_DEFAULT,         // current default encoding
  73
  74     // ISO8859 standard defines a number of single-byte charsets
  75     wxFONTENCODING_ISO8859_1,       // West European (Latin1)
  76     wxFONTENCODING_ISO8859_2,       // Central and East European (Latin2)
  77     wxFONTENCODING_ISO8859_3,       // Esperanto (Latin3)
  78     wxFONTENCODING_ISO8859_4,       // Baltic languages (Estonian) (Latin4)
  79     wxFONTENCODING_ISO8859_5,       // Cyrillic
  80     wxFONTENCODING_ISO8859_6,       // Arabic
  81     wxFONTENCODING_ISO8859_7,       // Greek
  82     wxFONTENCODING_ISO8859_8,       // Hebrew
  83     wxFONTENCODING_ISO8859_9,       // Turkish (Latin5)
  84     wxFONTENCODING_ISO8859_10,      // Variation of Latin4 (Latin6)
  85     wxFONTENCODING_ISO8859_11,      // Thai
  86     wxFONTENCODING_ISO8859_12,      // doesn't exist currently, but put it
  87                                     // here anyhow to make all ISO8859
  88                                     // consecutive numbers
  89     wxFONTENCODING_ISO8859_13,      // Latin7
  90     wxFONTENCODING_ISO8859_14,      // Latin8
  91     wxFONTENCODING_ISO8859_15,      // Latin9 (a.k.a. Latin0, includes euro)
  92
  93     // Cyrillic charset soup (see http://czyborra.com/charsets/cyrillic.html)
  94     wxFONTENCODING_KOI8,            // we don't support any of KOI8 variants
  95     wxFONTENCODING_ALTERNATIVE,     // same as MS-DOS CP866
  96     wxFONTENCODING_BULGARIAN,       // used under Linux in Bulgaria
  97
  98     // what would we do without Microsoft? They have their own encodings
  99         // for DOS
 100     wxFONTENCODING_CP437,           // original MS-DOS codepage
 101     wxFONTENCODING_CP850,           // CP437 merged with Latin1
 102     wxFONTENCODING_CP852,           // CP437 merged with Latin2
 103     wxFONTENCODING_CP855,           // another cyrillic encoding
 104     wxFONTENCODING_CP866,           // and another one
 105         // and for Windows
 106     wxFONTENCODING_CP1250,          // WinLatin2
 107     wxFONTENCODING_CP1251,          // WinCyrillic
 108     wxFONTENCODING_CP1252,          // WinLatin1
 109
 110     wxFONTENCODING_MAX
 111 };
 112
 113 // ----------------------------------------------------------------------------
 114 // wxFontBase represents a font object
 115 // ----------------------------------------------------------------------------
 116
 117 class WXDLLEXPORT wxFontRefData;
 118
 119 class wxFontBase : public wxGDIObject
 120 {
 121 public:
 122     // creator function
 123     static wxFont *New(
 124         int pointSize,              // size of the font in points
 125         int family,                 // see wxFontFamily enum
 126         int style,                  // see wxFontStyle enum
 127         int weight,                 // see wxFontWeight enum
 128         bool underlined = FALSE,    // not underlined by default
 129         const wxString& face = wxEmptyString,              // facename
 130         wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
 131
 132     // was the font successfully created?
 133     bool Ok() const { return m_refData != NULL; }
 134
 135     // comparison
 136     bool operator == (const wxFont& font) const;
 137     bool operator != (const wxFont& font) const;
 138
 139     // accessors: get the font characteristics
 140     virtual int GetPointSize() const = 0;
 141     virtual int GetFamily() const = 0;
 142     virtual int GetStyle() const = 0;
 143     virtual int GetWeight() const = 0;
 144     virtual bool GetUnderlined() const = 0;
 145     virtual wxString GetFaceName() const = 0;
 146     virtual wxFontEncoding GetEncoding() const = 0;
 147
 148     // change the font characteristics
 149     virtual void SetPointSize( int pointSize ) = 0;
 150     virtual void SetFamily( int family ) = 0;
 151     virtual void SetStyle( int style ) = 0;
 152     virtual void SetWeight( int weight ) = 0;
 153     virtual void SetFaceName( const wxString& faceName ) = 0;
 154     virtual void SetUnderlined( bool underlined ) = 0;
 155     virtual void SetEncoding(wxFontEncoding encoding) = 0;
 156
 157     // translate the fonts into human-readable string (i.e. GetStyleString()
 158     // will return "wxITALIC" for an italic font, ...)
 159     wxString GetFamilyString() const;
 160     wxString GetStyleString() const;
 161     wxString GetWeightString() const;
 162
 163     // the default encoding is used for creating all fonts with default
 164     // encoding parameter
 165     static wxFontEncoding GetDefaultEncoding()
 166         { return ms_encodingDefault; }
 167     static void SetDefaultEncoding(wxFontEncoding encoding)
 168         { ms_encodingDefault = encoding; }
 169
 170 protected:
 171     // get the internal data
 172     wxFontRefData *GetFontData() const
 173         { return (wxFontRefData *)m_refData; }
 174
 175 private:
 176     // the currently default encoding: by default, it's the default system
 177     // encoding, but may be changed by the application using
 178     // SetDefaultEncoding() to make all subsequent fonts created without
 179     // specifing encoding parameter using this encoding
 180     static wxFontEncoding ms_encodingDefault;
 181 };
 182
 183 // include the real class declaration
 184 #if defined(__WXMSW__)
 185     #include "wx/msw/font.h"
 186 #elif defined(__WXMOTIF__)
 187     #include "wx/motif/font.h"
 188 #elif defined(__WXGTK__)
 189     #include "wx/gtk/font.h"
 190 #elif defined(__WXQT__)
 191     #include "wx/qt/font.h"
 192 #elif defined(__WXMAC__)
 193     #include "wx/mac/font.h"
 194 #elif defined(__WXPM__)
 195     #include "wx/os2/font.h"
 196 #elif defined(__WXSTUBS__)
 197     #include "wx/stubs/font.h"
 198 #endif
 199
 200 // ----------------------------------------------------------------------------
 201 // macros
 202 // ----------------------------------------------------------------------------
 203
 204 #define M_FONTDATA GetFontData()
 205
 206 #endif
 207     // _WX_FONT_H_BASE_