diff options
Diffstat (limited to 'include/freetype/internal/sfnt.h')
-rw-r--r-- | include/freetype/internal/sfnt.h | 454 |
1 files changed, 132 insertions, 322 deletions
diff --git a/include/freetype/internal/sfnt.h b/include/freetype/internal/sfnt.h index 905ca8c..6b5e41f 100644 --- a/include/freetype/internal/sfnt.h +++ b/include/freetype/internal/sfnt.h @@ -4,7 +4,7 @@ /* */ /* High-level `sfnt' driver interface (specification). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006 by */ +/* Copyright 1996-2006, 2009, 2012-2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -125,77 +125,6 @@ FT_BEGIN_HEADER (*TT_Done_Face_Func)( TT_Face face ); -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - - /*************************************************************************/ - /* */ - /* <FuncType> */ - /* TT_Load_SFNT_HeaderRec_Func */ - /* */ - /* <Description> */ - /* Loads the header of a SFNT font file. Supports collections. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* face_index :: The index of the TrueType font, if we are opening a */ - /* collection. */ - /* */ - /* <Output> */ - /* sfnt :: The SFNT header. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The stream cursor must be at the font file's origin. */ - /* */ - /* This function recognizes fonts embedded in a `TrueType */ - /* collection'. */ - /* */ - /* This function checks that the header is valid by looking at the */ - /* values of `search_range', `entry_selector', and `range_shift'. */ - /* */ - typedef FT_Error - (*TT_Load_SFNT_HeaderRec_Func)( TT_Face face, - FT_Stream stream, - FT_Long face_index, - SFNT_Header sfnt ); - - - /*************************************************************************/ - /* */ - /* <FuncType> */ - /* TT_Load_Directory_Func */ - /* */ - /* <Description> */ - /* Loads the table directory into a face object. */ - /* */ - /* <Input> */ - /* face :: A handle to the target face object. */ - /* */ - /* stream :: The input stream. */ - /* */ - /* sfnt :: The SFNT header. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The stream cursor must be on the first byte after the 4-byte font */ - /* format tag. This is the case just after a call to */ - /* TT_Load_Format_Tag(). */ - /* */ - typedef FT_Error - (*TT_Load_Directory_Func)( TT_Face face, - FT_Stream stream, - SFNT_Header sfnt ); - -#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ - - /*************************************************************************/ /* */ /* <FuncType> */ @@ -363,88 +292,6 @@ FT_BEGIN_HEADER TT_SBit_MetricsRec *ametrics ); -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - - /*************************************************************************/ - /* */ - /* <FuncType> */ - /* TT_Set_SBit_Strike_OldFunc */ - /* */ - /* <Description> */ - /* Select an sbit strike for a given size request. */ - /* */ - /* <Input> */ - /* face :: The target face object. */ - /* */ - /* req :: The size request. */ - /* */ - /* <Output> */ - /* astrike_index :: The index of the sbit strike. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. Returns an error if no */ - /* sbit strike exists for the selected ppem values. */ - /* */ - typedef FT_Error - (*TT_Set_SBit_Strike_OldFunc)( TT_Face face, - FT_UInt x_ppem, - FT_UInt y_ppem, - FT_ULong* astrike_index ); - - - /*************************************************************************/ - /* */ - /* <FuncType> */ - /* TT_CharMap_Load_Func */ - /* */ - /* <Description> */ - /* Loads a given TrueType character map into memory. */ - /* */ - /* <Input> */ - /* face :: A handle to the parent face object. */ - /* */ - /* stream :: A handle to the current stream object. */ - /* */ - /* <InOut> */ - /* cmap :: A pointer to a cmap object. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - /* <Note> */ - /* The function assumes that the stream is already in use (i.e., */ - /* opened). In case of error, all partially allocated tables are */ - /* released. */ - /* */ - typedef FT_Error - (*TT_CharMap_Load_Func)( TT_Face face, - void* cmap, - FT_Stream input ); - - - /*************************************************************************/ - /* */ - /* <FuncType> */ - /* TT_CharMap_Free_Func */ - /* */ - /* <Description> */ - /* Destroys a character mapping table. */ - /* */ - /* <Input> */ - /* face :: A handle to the parent face object. */ - /* */ - /* cmap :: A handle to a cmap object. */ - /* */ - /* <Return> */ - /* FreeType error code. 0 means success. */ - /* */ - typedef FT_Error - (*TT_CharMap_Free_Func)( TT_Face face, - void* cmap ); - -#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ - - /*************************************************************************/ /* */ /* <FuncType> */ @@ -657,11 +504,6 @@ FT_BEGIN_HEADER TT_Load_Any_Func load_any; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - TT_Load_SFNT_HeaderRec_Func load_sfnt_header; - TT_Load_Directory_Func load_directory; -#endif - /* these functions are called by `load_face' but they can also */ /* be called from external modules, if there is a need to do so */ TT_Load_Table_Func load_head; @@ -674,12 +516,6 @@ FT_BEGIN_HEADER TT_Load_Table_Func load_name; TT_Free_Table_Func free_name; - /* optional tables */ -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - TT_Load_Table_Func load_hdmx_stub; - TT_Free_Table_Func free_hdmx_stub; -#endif - /* this field was called `load_kerning' up to version 2.1.10 */ TT_Load_Table_Func load_kern; @@ -690,43 +526,12 @@ FT_BEGIN_HEADER /* version 2.1.10 */ TT_Load_Table_Func load_bhed; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - - /* see `ttsbit.h' */ - TT_Set_SBit_Strike_OldFunc set_sbit_strike_stub; - TT_Load_Table_Func load_sbits_stub; - - /* - * The following two fields appeared in version 2.1.8, and were placed - * between `load_sbits' and `load_sbit_image'. We support them as a - * special exception since they are used by Xfont library within the - * X.Org xserver, and because the probability that other rogue clients - * use the other version 2.1.7 fields below is _extremely_ low. - * - * Note that this forces us to disable an interesting memory-saving - * optimization though... - */ - - TT_Find_SBit_Image_Func find_sbit_image; - TT_Load_SBit_Metrics_Func load_sbit_metrics; - -#endif - TT_Load_SBit_Image_Func load_sbit_image; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - TT_Free_Table_Func free_sbits_stub; -#endif - /* see `ttpost.h' */ TT_Get_PS_Name_Func get_psname; TT_Free_Table_Func free_psnames; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS - TT_CharMap_Load_Func load_charmap_stub; - TT_CharMap_Free_Func free_charmap_stub; -#endif - /* starting here, the structure differs from version 2.1.7 */ /* this field was introduced in version 2.1.8, named `get_psname' */ @@ -755,136 +560,141 @@ FT_BEGIN_HEADER #ifndef FT_CONFIG_OPTION_PIC -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS -#define FT_DEFINE_DRIVERS_OLD_INTERNAL(a) \ - a, -#else - #define FT_DEFINE_DRIVERS_OLD_INTERNAL(a) -#endif -#define FT_INTERNAL(a) \ - a, - -#define FT_DEFINE_SFNT_INTERFACE(class_, \ - goto_table_, init_face_, load_face_, done_face_, get_interface_, \ - load_any_, load_sfnt_header_, load_directory_, load_head_, \ - load_hhea_, load_cmap_, load_maxp_, load_os2_, load_post_, \ - load_name_, free_name_, load_hdmx_stub_, free_hdmx_stub_, \ - load_kern_, load_gasp_, load_pclt_, load_bhed_, \ - set_sbit_strike_stub_, load_sbits_stub_, find_sbit_image_, \ - load_sbit_metrics_, load_sbit_image_, free_sbits_stub_, \ - get_psname_, free_psnames_, load_charmap_stub_, free_charmap_stub_, \ - get_kerning_, load_font_dir_, load_hmtx_, load_eblc_, free_eblc_, \ - set_sbit_strike_, load_strike_metrics_, get_metrics_ ) \ - static const SFNT_Interface class_ = \ - { \ - FT_INTERNAL(goto_table_) \ - FT_INTERNAL(init_face_) \ - FT_INTERNAL(load_face_) \ - FT_INTERNAL(done_face_) \ - FT_INTERNAL(get_interface_) \ - FT_INTERNAL(load_any_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sfnt_header_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_directory_) \ - FT_INTERNAL(load_head_) \ - FT_INTERNAL(load_hhea_) \ - FT_INTERNAL(load_cmap_) \ - FT_INTERNAL(load_maxp_) \ - FT_INTERNAL(load_os2_) \ - FT_INTERNAL(load_post_) \ - FT_INTERNAL(load_name_) \ - FT_INTERNAL(free_name_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_hdmx_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_hdmx_stub_) \ - FT_INTERNAL(load_kern_) \ - FT_INTERNAL(load_gasp_) \ - FT_INTERNAL(load_pclt_) \ - FT_INTERNAL(load_bhed_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(set_sbit_strike_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sbits_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(find_sbit_image_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sbit_metrics_) \ - FT_INTERNAL(load_sbit_image_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_sbits_stub_) \ - FT_INTERNAL(get_psname_) \ - FT_INTERNAL(free_psnames_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_charmap_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_charmap_stub_) \ - FT_INTERNAL(get_kerning_) \ - FT_INTERNAL(load_font_dir_) \ - FT_INTERNAL(load_hmtx_) \ - FT_INTERNAL(load_eblc_) \ - FT_INTERNAL(free_eblc_) \ - FT_INTERNAL(set_sbit_strike_) \ - FT_INTERNAL(load_strike_metrics_) \ - FT_INTERNAL(get_metrics_) \ +#define FT_DEFINE_SFNT_INTERFACE( \ + class_, \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_ ) \ + static const SFNT_Interface class_ = \ + { \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_, \ }; #else /* FT_CONFIG_OPTION_PIC */ -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS -#define FT_DEFINE_DRIVERS_OLD_INTERNAL(a, a_) \ - clazz->a = a_; -#else - #define FT_DEFINE_DRIVERS_OLD_INTERNAL(a, a_) -#endif -#define FT_INTERNAL(a, a_) \ - clazz->a = a_; - -#define FT_DEFINE_SFNT_INTERFACE(class_, \ - goto_table_, init_face_, load_face_, done_face_, get_interface_, \ - load_any_, load_sfnt_header_, load_directory_, load_head_, \ - load_hhea_, load_cmap_, load_maxp_, load_os2_, load_post_, \ - load_name_, free_name_, load_hdmx_stub_, free_hdmx_stub_, \ - load_kern_, load_gasp_, load_pclt_, load_bhed_, \ - set_sbit_strike_stub_, load_sbits_stub_, find_sbit_image_, \ - load_sbit_metrics_, load_sbit_image_, free_sbits_stub_, \ - get_psname_, free_psnames_, load_charmap_stub_, free_charmap_stub_, \ - get_kerning_, load_font_dir_, load_hmtx_, load_eblc_, free_eblc_, \ - set_sbit_strike_, load_strike_metrics_, get_metrics_ ) \ - void \ - FT_Init_Class_##class_( FT_Library library, SFNT_Interface* clazz ) \ - { \ - FT_UNUSED(library); \ - FT_INTERNAL(goto_table,goto_table_) \ - FT_INTERNAL(init_face,init_face_) \ - FT_INTERNAL(load_face,load_face_) \ - FT_INTERNAL(done_face,done_face_) \ - FT_INTERNAL(get_interface,get_interface_) \ - FT_INTERNAL(load_any,load_any_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sfnt_header,load_sfnt_header_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_directory,load_directory_) \ - FT_INTERNAL(load_head,load_head_) \ - FT_INTERNAL(load_hhea,load_hhea_) \ - FT_INTERNAL(load_cmap,load_cmap_) \ - FT_INTERNAL(load_maxp,load_maxp_) \ - FT_INTERNAL(load_os2,load_os2_) \ - FT_INTERNAL(load_post,load_post_) \ - FT_INTERNAL(load_name,load_name_) \ - FT_INTERNAL(free_name,free_name_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_hdmx_stub,load_hdmx_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_hdmx_stub,free_hdmx_stub_) \ - FT_INTERNAL(load_kern,load_kern_) \ - FT_INTERNAL(load_gasp,load_gasp_) \ - FT_INTERNAL(load_pclt,load_pclt_) \ - FT_INTERNAL(load_bhed,load_bhed_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(set_sbit_strike_stub,set_sbit_strike_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sbits_stub,load_sbits_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(find_sbit_image,find_sbit_image_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_sbit_metrics,load_sbit_metrics_) \ - FT_INTERNAL(load_sbit_image,load_sbit_image_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_sbits_stub,free_sbits_stub_) \ - FT_INTERNAL(get_psname,get_psname_) \ - FT_INTERNAL(free_psnames,free_psnames_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(load_charmap_stub,load_charmap_stub_) \ - FT_DEFINE_DRIVERS_OLD_INTERNAL(free_charmap_stub,free_charmap_stub_) \ - FT_INTERNAL(get_kerning,get_kerning_) \ - FT_INTERNAL(load_font_dir,load_font_dir_) \ - FT_INTERNAL(load_hmtx,load_hmtx_) \ - FT_INTERNAL(load_eblc,load_eblc_) \ - FT_INTERNAL(free_eblc,free_eblc_) \ - FT_INTERNAL(set_sbit_strike,set_sbit_strike_) \ - FT_INTERNAL(load_strike_metrics,load_strike_metrics_) \ - FT_INTERNAL(get_metrics,get_metrics_) \ +#define FT_INTERNAL( a, a_ ) \ + clazz->a = a_; + +#define FT_DEFINE_SFNT_INTERFACE( \ + class_, \ + goto_table_, \ + init_face_, \ + load_face_, \ + done_face_, \ + get_interface_, \ + load_any_, \ + load_head_, \ + load_hhea_, \ + load_cmap_, \ + load_maxp_, \ + load_os2_, \ + load_post_, \ + load_name_, \ + free_name_, \ + load_kern_, \ + load_gasp_, \ + load_pclt_, \ + load_bhed_, \ + load_sbit_image_, \ + get_psname_, \ + free_psnames_, \ + get_kerning_, \ + load_font_dir_, \ + load_hmtx_, \ + load_eblc_, \ + free_eblc_, \ + set_sbit_strike_, \ + load_strike_metrics_, \ + get_metrics_ ) \ + void \ + FT_Init_Class_ ## class_( FT_Library library, \ + SFNT_Interface* clazz ) \ + { \ + FT_UNUSED( library ); \ + \ + clazz->goto_table = goto_table_; \ + clazz->init_face = init_face_; \ + clazz->load_face = load_face_; \ + clazz->done_face = done_face_; \ + clazz->get_interface = get_interface_; \ + clazz->load_any = load_any_; \ + clazz->load_head = load_head_; \ + clazz->load_hhea = load_hhea_; \ + clazz->load_cmap = load_cmap_; \ + clazz->load_maxp = load_maxp_; \ + clazz->load_os2 = load_os2_; \ + clazz->load_post = load_post_; \ + clazz->load_name = load_name_; \ + clazz->free_name = free_name_; \ + clazz->load_kern = load_kern_; \ + clazz->load_gasp = load_gasp_; \ + clazz->load_pclt = load_pclt_; \ + clazz->load_bhed = load_bhed_; \ + clazz->load_sbit_image = load_sbit_image_; \ + clazz->get_psname = get_psname_; \ + clazz->free_psnames = free_psnames_; \ + clazz->get_kerning = get_kerning_; \ + clazz->load_font_dir = load_font_dir_; \ + clazz->load_hmtx = load_hmtx_; \ + clazz->load_eblc = load_eblc_; \ + clazz->free_eblc = free_eblc_; \ + clazz->set_sbit_strike = set_sbit_strike_; \ + clazz->load_strike_metrics = load_strike_metrics_; \ + clazz->get_metrics = get_metrics_; \ } #endif /* FT_CONFIG_OPTION_PIC */ |