include/wx/motif/font.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifdef __GNUG__
  16 #pragma interface "font.h"
  17 #endif
  18
  19 #include "wx/gdiobj.h"
  20 #include "wx/list.h"
  21
  22 class WXDLLEXPORT wxFont;
  23
  24 class WXDLLEXPORT wxFontRefData: public wxGDIRefData
  25 {
  26     friend class WXDLLEXPORT wxFont;
  27 public:
  28     wxFontRefData();
  29     wxFontRefData(const wxFontRefData& data);
  30     ~wxFontRefData();
  31 protected:
  32   int           m_pointSize;
  33   int           m_family;
  34   int           m_style;
  35   int           m_weight;
  36   bool          m_underlined;
  37   wxString      m_faceName;
  38
  39   // A list of XFontStructs indexed by scale (*100)
  40   wxList        m_fontsByScale;
  41 };
  42
  43 #define M_FONTDATA ((wxFontRefData *)m_refData)
  44
  45 WXDLLEXPORT_DATA(extern const char*) wxEmptyString;
  46
  47 // Font
  48 class WXDLLEXPORT wxFont: public wxGDIObject
  49 {
  50   DECLARE_DYNAMIC_CLASS(wxFont)
  51 public:
  52   wxFont();
  53   wxFont(int pointSize, int family, int style, int weight, bool underlined = FALSE, const wxString& faceName = wxEmptyString);
  54   inline wxFont(const wxFont& font) { Ref(font); }
  55   inline wxFont(const wxFont* font) { if (font) Ref(*font); }
  56
  57   ~wxFont();
  58
  59   bool Create(int pointSize, int family, int style, int weight, bool underlined = FALSE, const wxString& faceName = wxEmptyString);
  60
  61   virtual bool Ok() const { return (m_refData != NULL) ; }
  62
  63   inline int GetPointSize() const { return M_FONTDATA->m_pointSize; }
  64   inline int GetFamily() const { return M_FONTDATA->m_family; }
  65   inline int GetStyle() const { return M_FONTDATA->m_style; }
  66   inline int GetWeight() const { return M_FONTDATA->m_weight; }
  67   wxString GetFamilyString() const ;
  68   wxString GetFaceName() const ;
  69   wxString GetStyleString() const ;
  70   wxString GetWeightString() const ;
  71   inline bool GetUnderlined() const { return M_FONTDATA->m_underlined; }
  72
  73   void SetPointSize(int pointSize);
  74   void SetFamily(int family);
  75   void SetStyle(int style);
  76   void SetWeight(int weight);
  77   void SetFaceName(const wxString& faceName);
  78   void SetUnderlined(bool underlined);
  79
  80   inline wxFont& operator = (const wxFont& font) { if (*this == font) return (*this); Ref(font); return *this; }
  81   inline bool operator == (const wxFont& font) { return m_refData == font.m_refData; }
  82   inline bool operator != (const wxFont& font) { return m_refData != font.m_refData; }
  83
  84 // Implementation
  85
  86   // Find an existing, or create a new, XFontStruct
  87   // based on this wxFont and the given scale. Append the
  88   // font to list in the private data for future reference.
  89
  90   // TODO This is a very basic implementation, that doesn't
  91   // allow for different facenames, and also doesn't do a mapping
  92   // between 'standard' facenames (e.g. Arial, Helvetica, Times Roman etc.)
  93   // and the fonts that are available on a particular system.
  94   // Maybe we need to scan the user's machine to build up a profile
  95   // of the fonts and a mapping file.
  96
  97   WXFontStructPtr FindOrCreateFontStruct(double scale = 1.0);
  98   WXFontStructPtr LoadQueryFont(int pointSize, int family, int style,
  99    int weight, bool underlined);
 100 protected:
 101   bool RealizeResource();
 102   void Unshare();
 103 };
 104
 105 #endif
 106     // _WX_FONT_H_