include/wx/motif/font.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/motif/font.h
   3 // Purpose:     wxFont class
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_FONT_H_
  13 #define _WX_FONT_H_
  14
  15 #if __WXMOTIF20__ && !__WXLESSTIF__
  16     #define wxMOTIF_USE_RENDER_TABLE 1
  17 #else
  18     #define wxMOTIF_USE_RENDER_TABLE 0
  19 #endif
  20 #define wxMOTIF_NEW_FONT_HANDLING wxMOTIF_USE_RENDER_TABLE
  21
  22 class wxXFont;
  23
  24 // Font
  25 class WXDLLIMPEXP_CORE wxFont : public wxFontBase
  26 {
  27 public:
  28     // ctors and such
  29     wxFont() { }
  30
  31     wxFont(const wxNativeFontInfo& info);
  32
  33 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  34     wxFont(int size,
  35            int family,
  36            int style,
  37            int weight,
  38            bool underlined = false,
  39            const wxString& face = wxEmptyString,
  40            wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  41     {
  42         (void)Create(size, (wxFontFamily)family, (wxFontStyle)style, (wxFontWeight)weight, underlined, face, encoding);
  43     }
  44 #endif
  45
  46     wxFont(int size,
  47            wxFontFamily family,
  48            wxFontStyle style,
  49            wxFontWeight weight,
  50            bool underlined = false,
  51            const wxString& face = wxEmptyString,
  52            wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  53     {
  54         Create(size, family, style, weight, underlined, face, encoding);
  55     }
  56
  57     bool Create(int size,
  58                 wxFontFamily family,
  59                 wxFontStyle style,
  60                 wxFontWeight weight,
  61                 bool underlined = false,
  62                 const wxString& face = wxEmptyString,
  63                 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  64
  65     // wxMOTIF-specific
  66     bool Create(const wxString& fontname,
  67         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  68     bool Create(const wxNativeFontInfo& fontinfo);
  69
  70     virtual ~wxFont();
  71
  72     // implement base class pure virtuals
  73     virtual int GetPointSize() const;
  74     virtual wxFontFamily GetFamily() const;
  75     virtual wxFontStyle GetStyle() const;
  76     virtual wxFontWeight GetWeight() const;
  77     virtual bool GetUnderlined() const;
  78     virtual wxString GetFaceName() const;
  79     virtual wxFontEncoding GetEncoding() const;
  80     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  81
  82     virtual void SetPointSize(int pointSize);
  83     virtual void SetFamily(wxFontFamily family);
  84     virtual void SetStyle(wxFontStyle style);
  85     virtual void SetWeight(wxFontWeight weight);
  86     virtual bool SetFaceName(const wxString& faceName);
  87     virtual void SetUnderlined(bool underlined);
  88     virtual void SetEncoding(wxFontEncoding encoding);
  89
  90     WXDECLARE_COMPAT_SETTERS
  91
  92     // Implementation
  93
  94     // Find an existing, or create a new, XFontStruct
  95     // based on this wxFont and the given scale. Append the
  96     // font to list in the private data for future reference.
  97
  98     // TODO This is a fairly basic implementation, that doesn't
  99     // allow for different facenames, and also doesn't do a mapping
 100     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
 101     // and the fonts that are available on a particular system.
 102     // Maybe we need to scan the user's machine to build up a profile
 103     // of the fonts and a mapping file.
 104
 105     // Return font struct, and optionally the Motif font list
 106     wxXFont *GetInternalFont(double scale = 1.0,
 107         WXDisplay* display = NULL) const;
 108
 109     // These two are helper functions for convenient access of the above.
 110 #if wxMOTIF_USE_RENDER_TABLE
 111     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 112     WXRenderTable GetRenderTable(WXDisplay* display) const;
 113 #else // if !wxMOTIF_USE_RENDER_TABLE
 114     WXFontStructPtr GetFontStruct(double scale = 1.0,
 115         WXDisplay* display = NULL) const;
 116     WXFontList GetFontList(double scale = 1.0,
 117         WXDisplay* display = NULL) const;
 118 #endif // !wxMOTIF_USE_RENDER_TABLE
 119     // returns either a XmFontList or XmRenderTable, depending
 120     // on Motif version
 121     WXFontType GetFontType(WXDisplay* display) const;
 122     // like the function above but does a copy for XmFontList
 123     WXFontType GetFontTypeC(WXDisplay* display) const;
 124     static WXString GetFontTag();
 125
 126 protected:
 127     virtual wxGDIRefData *CreateGDIRefData() const;
 128     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
 129
 130     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 131
 132     void Unshare();
 133
 134 private:
 135     DECLARE_DYNAMIC_CLASS(wxFont)
 136 };
 137
 138 #endif // _WX_FONT_H_