Panda3D
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00001 // Filename: freetypeFont.h 00002 // Created by: gogg (16Nov09) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef FREETYPEFACE_H 00016 #define FREETYPEFACE_H 00017 00018 #include "pandabase.h" 00019 00020 #ifdef HAVE_FREETYPE 00021 00022 #include "typedReferenceCount.h" 00023 #include "namable.h" 00024 #include "pmutex.h" 00025 #include "mutexHolder.h" 00026 00027 #include <ft2build.h> 00028 #include FT_FREETYPE_H 00029 00030 //////////////////////////////////////////////////////////////////// 00031 // Class : FreetypeFont 00032 // Description : This is a reference-counted wrapper for the 00033 // freetype font face object (FT_Face). 00034 // It's used by the FreetypeFont class to store a face 00035 // that can be shared between copied instances. 00036 //////////////////////////////////////////////////////////////////// 00037 class EXPCL_PANDA_PNMTEXT FreetypeFace : public TypedReferenceCount, public Namable { 00038 public: 00039 FreetypeFace(); 00040 ~FreetypeFace(); 00041 00042 FT_Face acquire_face(int char_size, int dpi, int pixel_width, int pixel_height); 00043 void release_face(FT_Face face); 00044 00045 void set_face(FT_Face face); 00046 00047 private: 00048 static void initialize_ft_library(); 00049 00050 private: 00051 // This is provided as a permanent storage for the raw font data, if 00052 // needed. 00053 string _font_data; 00054 00055 string _name; 00056 FT_Face _face; 00057 int _char_size; 00058 int _dpi; 00059 int _pixel_width; 00060 int _pixel_height; 00061 Mutex _lock; 00062 00063 static FT_Library _ft_library; 00064 static bool _ft_initialized; 00065 static bool _ft_ok; 00066 00067 public: 00068 static TypeHandle get_class_type() { 00069 return _type_handle; 00070 } 00071 static void init_type() { 00072 TypedReferenceCount::init_type(); 00073 register_type(_type_handle, "FreetypeFace", 00074 TypedReferenceCount::get_class_type()); 00075 } 00076 virtual TypeHandle get_type() const { 00077 return get_class_type(); 00078 } 00079 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00080 00081 private: 00082 static TypeHandle _type_handle; 00083 00084 friend class FreetypeFont; 00085 }; 00086 00087 00088 #include "freetypeFace.I" 00089 00090 #endif // HAVE_FREETYPE 00091 00092 #endif