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 wxFontData;
  31 class WXDLLEXPORT wxFontBase;
  32 class WXDLLEXPORT wxFont;
  33
  34 // ----------------------------------------------------------------------------
  35 // font constants
  36 // ----------------------------------------------------------------------------
  37
  38 // standard font families
  39 enum wxFontFamily
  40 {
  41     wxFONTFAMILY_DEFAULT = wxDEFAULT,
  42     wxFONTFAMILY_DECORATIVE = wxDECORATIVE,
  43     wxFONTFAMILY_ROMAN = wxROMAN,
  44     wxFONTFAMILY_SCRIPT = wxSCRIPT,
  45     wxFONTFAMILY_SWISS = wxSWISS,
  46     wxFONTFAMILY_MODERN = wxMODERN,
  47     wxFONTFAMILY_TELETYPE = wxTELETYPE,
  48     wxFONTFAMILY_MAX
  49 };
  50
  51 // font styles
  52 enum wxFontStyle
  53 {
  54     wxFONTSTYLE_NORMAL = wxNORMAL,
  55     wxFONTSTYLE_ITALIC = wxITALIC,
  56     wxFONTSTYLE_SLANT = wxSLANT,
  57     wxFONTSTYLE_MAX
  58 };
  59
  60 // font weights
  61 enum wxFontWeight
  62 {
  63     wxFONTWEIGHT_NORMAL = wxNORMAL,
  64     wxFONTWEIGHT_LIGHT = wxLIGHT,
  65     wxFONTWEIGHT_BOLD = wxBOLD,
  66     wxFONTWEIGHT_MAX
  67 };
  68
  69 // font encodings
  70 enum wxFontEncoding
  71 {
  72     wxFONTENCODING_SYSTEM = -1,     // system default
  73     wxFONTENCODING_DEFAULT,         // current default encoding
  74
  75     // ISO8859 standard defines a number of single-byte charsets
  76     wxFONTENCODING_ISO8859_1,       // West European (Latin1)
  77     wxFONTENCODING_ISO8859_2,       // Central and East European (Latin2)
  78     wxFONTENCODING_ISO8859_3,       // Esperanto (Latin3)
  79     wxFONTENCODING_ISO8859_4,       // Baltic languages (Estonian) (Latin4)
  80     wxFONTENCODING_ISO8859_5,       // Cyrillic
  81     wxFONTENCODING_ISO8859_6,       // Arabic
  82     wxFONTENCODING_ISO8859_7,       // Greek
  83     wxFONTENCODING_ISO8859_8,       // Hebrew
  84     wxFONTENCODING_ISO8859_9,       // Turkish (Latin5)
  85     wxFONTENCODING_ISO8859_10,      // Variation of Latin4 (Latin6)
  86     wxFONTENCODING_ISO8859_11,      // Thai
  87     wxFONTENCODING_ISO8859_12,      // doesn't exist currently, but put it
  88                                     // here anyhow to make all ISO8859
  89                                     // consecutive numbers
  90     wxFONTENCODING_ISO8859_13,      // Latin7
  91     wxFONTENCODING_ISO8859_14,      // Latin8
  92     wxFONTENCODING_ISO8859_15,      // Latin9 (a.k.a. Latin0, includes euro)
  93     wxFONTENCODING_ISO8859_MAX,
  94
  95     // Cyrillic charset soup (see http://czyborra.com/charsets/cyrillic.html)
  96     wxFONTENCODING_KOI8,            // we don't support any of KOI8 variants
  97     wxFONTENCODING_ALTERNATIVE,     // same as MS-DOS CP866
  98     wxFONTENCODING_BULGARIAN,       // used under Linux in Bulgaria
  99
 100     // what would we do without Microsoft? They have their own encodings
 101         // for DOS
 102     wxFONTENCODING_CP437,           // original MS-DOS codepage
 103     wxFONTENCODING_CP850,           // CP437 merged with Latin1
 104     wxFONTENCODING_CP852,           // CP437 merged with Latin2
 105     wxFONTENCODING_CP855,           // another cyrillic encoding
 106     wxFONTENCODING_CP866,           // and another one
 107         // and for Windows
 108     wxFONTENCODING_CP874,           // WinThai
 109     wxFONTENCODING_CP1250,          // WinLatin2
 110     wxFONTENCODING_CP1251,          // WinCyrillic
 111     wxFONTENCODING_CP1252,          // WinLatin1
 112     wxFONTENCODING_CP1253,          // WinGreek (8859-7)
 113     wxFONTENCODING_CP1254,          // WinTurkish
 114     wxFONTENCODING_CP1255,          // WinHebrew
 115     wxFONTENCODING_CP1256,          // WinArabic
 116     wxFONTENCODING_CP1257,          // WinBaltic (same as Latin 7)
 117     wxFONTENCODING_CP12_MAX,
 118
 119     wxFONTENCODING_UNICODE,         // Unicode - currently used only by
 120                                     // wxEncodingConverter class
 121
 122     wxFONTENCODING_MAX
 123 };
 124
 125 // ----------------------------------------------------------------------------
 126 // wxFontBase represents a font object
 127 // ----------------------------------------------------------------------------
 128
 129 class WXDLLEXPORT wxFontRefData;
 130
 131 class wxFontBase : public wxGDIObject
 132 {
 133 public:
 134     // creator function
 135     static wxFont *New(
 136         int pointSize,              // size of the font in points
 137         int family,                 // see wxFontFamily enum
 138         int style,                  // see wxFontStyle enum
 139         int weight,                 // see wxFontWeight enum
 140         bool underlined = FALSE,    // not underlined by default
 141         const wxString& face = wxEmptyString,              // facename
 142         wxFontEncoding encoding = wxFONTENCODING_DEFAULT); // ISO8859-X, ...
 143
 144     // was the font successfully created?
 145     bool Ok() const { return m_refData != NULL; }
 146
 147     // comparison
 148     bool operator == (const wxFont& font) const;
 149     bool operator != (const wxFont& font) const;
 150
 151     // accessors: get the font characteristics
 152     virtual int GetPointSize() const = 0;
 153     virtual int GetFamily() const = 0;
 154     virtual int GetStyle() const = 0;
 155     virtual int GetWeight() const = 0;
 156     virtual bool GetUnderlined() const = 0;
 157     virtual wxString GetFaceName() const = 0;
 158     virtual wxFontEncoding GetEncoding() const = 0;
 159
 160     // change the font characteristics
 161     virtual void SetPointSize( int pointSize ) = 0;
 162     virtual void SetFamily( int family ) = 0;
 163     virtual void SetStyle( int style ) = 0;
 164     virtual void SetWeight( int weight ) = 0;
 165     virtual void SetFaceName( const wxString& faceName ) = 0;
 166     virtual void SetUnderlined( bool underlined ) = 0;
 167     virtual void SetEncoding(wxFontEncoding encoding) = 0;
 168
 169     // translate the fonts into human-readable string (i.e. GetStyleString()
 170     // will return "wxITALIC" for an italic font, ...)
 171     wxString GetFamilyString() const;
 172     wxString GetStyleString() const;
 173     wxString GetWeightString() const;
 174
 175     // the default encoding is used for creating all fonts with default
 176     // encoding parameter
 177     static wxFontEncoding GetDefaultEncoding()
 178         { return ms_encodingDefault; }
 179     static void SetDefaultEncoding(wxFontEncoding encoding)
 180         { ms_encodingDefault = encoding; }
 181
 182 protected:
 183     // get the internal data
 184     wxFontRefData *GetFontData() const
 185         { return (wxFontRefData *)m_refData; }
 186
 187 private:
 188     // the currently default encoding: by default, it's the default system
 189     // encoding, but may be changed by the application using
 190     // SetDefaultEncoding() to make all subsequent fonts created without
 191     // specifing encoding parameter using this encoding
 192     static wxFontEncoding ms_encodingDefault;
 193 };
 194
 195 // include the real class declaration
 196 #if defined(__WXMSW__)
 197     #include "wx/msw/font.h"
 198 #elif defined(__WXMOTIF__)
 199     #include "wx/motif/font.h"
 200 #elif defined(__WXGTK__)
 201     #include "wx/gtk/font.h"
 202 #elif defined(__WXQT__)
 203     #include "wx/qt/font.h"
 204 #elif defined(__WXMAC__)
 205     #include "wx/mac/font.h"
 206 #elif defined(__WXPM__)
 207     #include "wx/os2/font.h"
 208 #elif defined(__WXSTUBS__)
 209     #include "wx/stubs/font.h"
 210 #endif
 211
 212 // ----------------------------------------------------------------------------
 213 // macros
 214 // ----------------------------------------------------------------------------
 215
 216 #define M_FONTDATA GetFontData()
 217
 218 #endif
 219     // _WX_FONT_H_BASE_