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     wxFont(const wxSize& pixelSize,
  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         Create(10, family, style, weight, underlined, face, encoding);
  66         SetPixelSize(pixelSize);
  67     }
  68
  69     bool Create(int size,
  70                 wxFontFamily family,
  71                 wxFontStyle style,
  72                 wxFontWeight weight,
  73                 bool underlined = false,
  74                 const wxString& face = wxEmptyString,
  75                 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  76
  77     // wxMOTIF-specific
  78     bool Create(const wxString& fontname,
  79         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  80     bool Create(const wxNativeFontInfo& fontinfo);
  81
  82     virtual ~wxFont();
  83
  84     // implement base class pure virtuals
  85     virtual int GetPointSize() const;
  86     virtual wxFontStyle GetStyle() const;
  87     virtual wxFontWeight GetWeight() const;
  88     virtual bool GetUnderlined() const;
  89     virtual wxString GetFaceName() const;
  90     virtual wxFontEncoding GetEncoding() const;
  91     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
  92
  93     virtual void SetPointSize(int pointSize);
  94     virtual void SetFamily(wxFontFamily family);
  95     virtual void SetStyle(wxFontStyle style);
  96     virtual void SetWeight(wxFontWeight weight);
  97     virtual bool SetFaceName(const wxString& faceName);
  98     virtual void SetUnderlined(bool underlined);
  99     virtual void SetEncoding(wxFontEncoding encoding);
 100
 101     wxDECLARE_COMMON_FONT_METHODS();
 102
 103     // Implementation
 104
 105     // Find an existing, or create a new, XFontStruct
 106     // based on this wxFont and the given scale. Append the
 107     // font to list in the private data for future reference.
 108
 109     // TODO This is a fairly basic implementation, that doesn't
 110     // allow for different facenames, and also doesn't do a mapping
 111     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
 112     // and the fonts that are available on a particular system.
 113     // Maybe we need to scan the user's machine to build up a profile
 114     // of the fonts and a mapping file.
 115
 116     // Return font struct, and optionally the Motif font list
 117     wxXFont *GetInternalFont(double scale = 1.0,
 118         WXDisplay* display = NULL) const;
 119
 120     // These two are helper functions for convenient access of the above.
 121 #if wxMOTIF_USE_RENDER_TABLE
 122     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 123     WXRenderTable GetRenderTable(WXDisplay* display) const;
 124 #else // if !wxMOTIF_USE_RENDER_TABLE
 125     WXFontStructPtr GetFontStruct(double scale = 1.0,
 126         WXDisplay* display = NULL) const;
 127     WXFontList GetFontList(double scale = 1.0,
 128         WXDisplay* display = NULL) const;
 129 #endif // !wxMOTIF_USE_RENDER_TABLE
 130     // returns either a XmFontList or XmRenderTable, depending
 131     // on Motif version
 132     WXFontType GetFontType(WXDisplay* display) const;
 133     // like the function above but does a copy for XmFontList
 134     WXFontType GetFontTypeC(WXDisplay* display) const;
 135     static WXString GetFontTag();
 136
 137 protected:
 138     virtual wxGDIRefData *CreateGDIRefData() const;
 139     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
 140
 141     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 142     virtual wxFontFamily DoGetFamily() const;
 143
 144     void Unshare();
 145
 146 private:
 147     DECLARE_DYNAMIC_CLASS(wxFont)
 148 };
 149
 150 #endif // _WX_FONT_H_