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 // Copyright:   (c) Julian Smart
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_FONT_H_
  12 #define _WX_FONT_H_
  13
  14 #if __WXMOTIF20__ && !__WXLESSTIF__
  15     #define wxMOTIF_USE_RENDER_TABLE 1
  16 #else
  17     #define wxMOTIF_USE_RENDER_TABLE 0
  18 #endif
  19 #define wxMOTIF_NEW_FONT_HANDLING wxMOTIF_USE_RENDER_TABLE
  20
  21 class wxXFont;
  22
  23 // Font
  24 class WXDLLIMPEXP_CORE wxFont : public wxFontBase
  25 {
  26 public:
  27     // ctors and such
  28     wxFont() { }
  29
  30     wxFont(const wxFontInfo& info)
  31     {
  32         Create(info.GetPointSize(),
  33                info.GetFamily(),
  34                info.GetStyle(),
  35                info.GetWeight(),
  36                info.IsUnderlined(),
  37                info.GetFaceName(),
  38                info.GetEncoding());
  39
  40         if ( info.IsUsingSizeInPixels() )
  41             SetPixelSize(info.GetPixelSize());
  42     }
  43
  44     wxFont(const wxNativeFontInfo& info);
  45
  46 #if FUTURE_WXWIN_COMPATIBILITY_3_0
  47     wxFont(int size,
  48            int family,
  49            int style,
  50            int weight,
  51            bool underlined = false,
  52            const wxString& face = wxEmptyString,
  53            wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  54     {
  55         (void)Create(size, (wxFontFamily)family, (wxFontStyle)style, (wxFontWeight)weight, underlined, face, encoding);
  56     }
  57 #endif
  58
  59     wxFont(int size,
  60            wxFontFamily family,
  61            wxFontStyle style,
  62            wxFontWeight weight,
  63            bool underlined = false,
  64            const wxString& face = wxEmptyString,
  65            wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  66     {
  67         Create(size, family, style, weight, underlined, face, encoding);
  68     }
  69
  70     wxFont(const wxSize& pixelSize,
  71            wxFontFamily family,
  72            wxFontStyle style,
  73            wxFontWeight weight,
  74            bool underlined = false,
  75            const wxString& face = wxEmptyString,
  76            wxFontEncoding encoding = wxFONTENCODING_DEFAULT)
  77     {
  78         Create(10, family, style, weight, underlined, face, encoding);
  79         SetPixelSize(pixelSize);
  80     }
  81
  82     bool Create(int size,
  83                 wxFontFamily family,
  84                 wxFontStyle style,
  85                 wxFontWeight weight,
  86                 bool underlined = false,
  87                 const wxString& face = wxEmptyString,
  88                 wxFontEncoding encoding = wxFONTENCODING_DEFAULT);
  89
  90     // wxMOTIF-specific
  91     bool Create(const wxString& fontname,
  92         wxFontEncoding fontenc = wxFONTENCODING_DEFAULT);
  93     bool Create(const wxNativeFontInfo& fontinfo);
  94
  95     virtual ~wxFont();
  96
  97     // implement base class pure virtuals
  98     virtual int GetPointSize() const;
  99     virtual wxFontStyle GetStyle() const;
 100     virtual wxFontWeight GetWeight() const;
 101     virtual bool GetUnderlined() const;
 102     virtual wxString GetFaceName() const;
 103     virtual wxFontEncoding GetEncoding() const;
 104     virtual const wxNativeFontInfo *GetNativeFontInfo() const;
 105
 106     virtual void SetPointSize(int pointSize);
 107     virtual void SetFamily(wxFontFamily family);
 108     virtual void SetStyle(wxFontStyle style);
 109     virtual void SetWeight(wxFontWeight weight);
 110     virtual bool SetFaceName(const wxString& faceName);
 111     virtual void SetUnderlined(bool underlined);
 112     virtual void SetEncoding(wxFontEncoding encoding);
 113
 114     wxDECLARE_COMMON_FONT_METHODS();
 115
 116     // Implementation
 117
 118     // Find an existing, or create a new, XFontStruct
 119     // based on this wxFont and the given scale. Append the
 120     // font to list in the private data for future reference.
 121
 122     // TODO This is a fairly basic implementation, that doesn't
 123     // allow for different facenames, and also doesn't do a mapping
 124     // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
 125     // and the fonts that are available on a particular system.
 126     // Maybe we need to scan the user's machine to build up a profile
 127     // of the fonts and a mapping file.
 128
 129     // Return font struct, and optionally the Motif font list
 130     wxXFont *GetInternalFont(double scale = 1.0,
 131         WXDisplay* display = NULL) const;
 132
 133     // These two are helper functions for convenient access of the above.
 134 #if wxMOTIF_USE_RENDER_TABLE
 135     WXFontSet GetFontSet(double scale, WXDisplay* display = NULL) const;
 136     WXRenderTable GetRenderTable(WXDisplay* display) const;
 137 #else // if !wxMOTIF_USE_RENDER_TABLE
 138     WXFontStructPtr GetFontStruct(double scale = 1.0,
 139         WXDisplay* display = NULL) const;
 140     WXFontList GetFontList(double scale = 1.0,
 141         WXDisplay* display = NULL) const;
 142 #endif // !wxMOTIF_USE_RENDER_TABLE
 143     // returns either a XmFontList or XmRenderTable, depending
 144     // on Motif version
 145     WXFontType GetFontType(WXDisplay* display) const;
 146     // like the function above but does a copy for XmFontList
 147     WXFontType GetFontTypeC(WXDisplay* display) const;
 148     static WXString GetFontTag();
 149
 150 protected:
 151     virtual wxGDIRefData *CreateGDIRefData() const;
 152     virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const;
 153
 154     virtual void DoSetNativeFontInfo( const wxNativeFontInfo& info );
 155     virtual wxFontFamily DoGetFamily() const;
 156
 157     void Unshare();
 158
 159 private:
 160     DECLARE_DYNAMIC_CLASS(wxFont)
 161 };
 162
 163 #endif // _WX_FONT_H_