include/wx/mgl/fontutil.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/nix/fontutil.h
   3 // Purpose:     font-related helper functions for MGL
   4 // Author:      Vaclav Slavik
   5 // Created:     2001/05/01
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
   8 // Licence:     wxWindows license
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 #ifndef _WX_MGL_FONTUTIL_H_
  12 #define _WX_MGL_FONTUTIL_H_
  13
  14 #ifdef __WXMGL__
  15
  16 #include "wx/list.h"
  17
  18 struct font_info_t;
  19 struct font_lib_t;
  20 struct font_t;
  21
  22 class wxMGLFontInstance;
  23 class wxMGLFontInstanceList;
  24 class wxMGLFontLibrary;
  25 class wxMGLFontFamily;
  26
  27 enum
  28 {
  29     wxFONTFACE_REGULAR     = 0,
  30     wxFONTFACE_ITALIC      = 1,
  31     wxFONTFACE_BOLD        = 2, // = (regular | bold)
  32     wxFONTFACE_BOLD_ITALIC = 3, // = (italic | bold)
  33
  34     wxFONTFACE_MAX
  35 };
  36
  37 // structure representing particular loaded font instance:
  38 class wxMGLFontInstance
  39 {
  40 public:
  41     wxMGLFontInstance(wxMGLFontLibrary *fontLib, float pt, bool slant, bool aa);
  42     ~wxMGLFontInstance();
  43
  44     struct font_t *GetMGLfont_t() const { return m_font; }
  45
  46     float GetPt() const { return m_pt; }
  47     bool GetSlant() const { return m_slant; }
  48     bool GetAA() const { return m_aa; }
  49
  50 private:
  51     wxMGLFontLibrary *m_fontLib;
  52     font_t *m_font;
  53     float m_pt;
  54     bool m_slant;
  55     bool m_aa;
  56 };
  57
  58 // structure representing loaded font library:
  59 class wxMGLFontLibrary
  60 {
  61 public:
  62     wxMGLFontLibrary(const wxString& filename, int type);
  63     ~wxMGLFontLibrary();
  64
  65     wxMGLFontInstance *GetFontInstance(wxFont *font, float scale, bool aa);
  66
  67     void IncRef();
  68     void DecRef();
  69
  70     struct font_lib_t *GetMGLfont_lib_t() const { return m_fontLib; }
  71
  72 private:
  73     font_lib_t *m_fontLib;
  74     int m_type;
  75     wxString m_fileName;
  76     size_t m_refs;
  77     wxMGLFontInstanceList *m_instances;
  78 };
  79
  80 // structure representing native MGL font family
  81 class wxMGLFontFamily : public wxObject
  82 {
  83 public:
  84     wxMGLFontFamily(const font_info_t *info);
  85     virtual ~wxMGLFontFamily();
  86
  87     wxString GetName() const { return m_name; }
  88     const font_info_t *GetInfo() const { return m_fontInfo; }
  89
  90     bool HasFace(int type) const;
  91     wxMGLFontLibrary *GetLibrary(int type) const
  92             { return m_fontLibs[type]; }
  93
  94 private:
  95     wxString m_name;
  96     const font_info_t *m_fontInfo;
  97     wxMGLFontLibrary *m_fontLibs[wxFONTFACE_MAX];
  98 };
  99
 100 WX_DECLARE_LIST(wxMGLFontFamily, wxMGLFontFamilyList);
 101
 102 class wxFontsManager
 103 {
 104     public:
 105         wxFontsManager();
 106         ~wxFontsManager();
 107
 108         void AddFamily(const font_info_t *info);
 109
 110         // return info about font with given name:
 111         wxMGLFontFamily *GetFamily(const wxString& name) const;
 112         // return list of all families
 113         wxMGLFontFamilyList *GetFamilyList() { return m_list; }
 114
 115         wxMGLFontLibrary *GetFontLibrary(wxFont *font);
 116
 117     private:
 118         wxHashTable *m_hash;
 119         wxMGLFontFamilyList *m_list;
 120 };
 121
 122 extern wxFontsManager *wxTheFontsManager;
 123
 124 #endif
 125
 126 #endif // _WX_MGL_FONTUTIL_H_