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(int size,
  32         int family,
  33         int style,
  34         int weight,
  35         bool underlined = false,
  36         const wxString& face = wxEmptyString,
  37         wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  38     {
  39         (void)Create(size, family, style, weight, underlined, face, encoding);
  40     }
  41
  42     wxFont(const wxNativeFontInfo& info);
  43
  44     bool Create(int size,
  45         int family,
  46         int style,
  47         int weight,
  48         bool underlined = false,
  49         const wxString& face = wxEmptyString,
  50         wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  51
  52     // wxMOTIF-specific
  53     bool Create(const wxString& fontname,
  54         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  55     bool Create(const wxNativeFontInfo& fontinfo);
  56
  57     virtual ~wxFont();
  58
  59     // implement base class pure virtuals
  60     virtual int GetPointSize() const;
  61     virtual int GetFamily() const;
  62     virtual int GetStyle() const;
  63     virtual int GetWeight() const;
  64     virtual bool GetUnderlined() const;
  65     virtual wxString GetFaceName() const;
  66     virtual wxFontEncoding GetEncoding() const;
  67     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  68
  69     virtual void SetPointSize(int pointSize);
  70     virtual void SetFamily(int family);
  71     virtual void SetStyle(int style);
  72     virtual void SetWeight(int weight);
  73     virtual bool SetFaceName(const wxString& faceName);
  74     virtual void SetUnderlined(bool underlined);
  75     virtual void SetEncoding(wxFontEncoding encoding);
  76
  77     // Implementation
  78
  79     // Find an existing, or create a new, XFontStruct
  80     // based on this wxFont and the given scale. Append the
  81     // font to list in the private data for future reference.
  82
  83     // TODO This is a fairly basic implementation, that doesn't
  84     // allow for different facenames, and also doesn't do a mapping
  85     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  86     // and the fonts that are available on a particular system.
  87     // Maybe we need to scan the user's machine to build up a profile
  88     // of the fonts and a mapping file.
  89
  90     // Return font struct, and optionally the Motif font list
  91     wxXFont *GetInternalFont(double scale = 1.0,
  92         WXDisplay* display = NULL) const;
  93
  94     // These two are helper functions for convenient access of the above.
  95 #if wxMOTIF_USE_RENDER_TABLE
  96     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
  97     WXRenderTable GetRenderTable(WXDisplay* display) const;
  98 #else // if !wxMOTIF_USE_RENDER_TABLE
  99     WXFontStructPtr GetFontStruct(double scale = 1.0,
 100         WXDisplay* display = NULL) const;
 101     WXFontList GetFontList(double scale = 1.0,
 102         WXDisplay* display = NULL) const;
 103 #endif // !wxMOTIF_USE_RENDER_TABLE
 104     // returns either a XmFontList or XmRenderTable, depending
 105     // on Motif version
 106     WXFontType GetFontType(WXDisplay* display) const;
 107     // like the function above but does a copy for XmFontList
 108     WXFontType GetFontTypeC(WXDisplay* display) const;
 109     static WXString GetFontTag();
 110
 111 protected:
 112     virtual wxGDIRefData *CreateGDIRefData() const;
 113     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
 114
 115     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 116
 117     void Unshare();
 118
 119 private:
 120     DECLARE_DYNAMIC_CLASS(wxFont)
 121 };
 122
 123 #endif // _WX_FONT_H_