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