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ftsnames.h
/***************************************************************************/ /* */ /* ftsnames.h */ /* */ /* Simple interface to access SFNT `name' tables (which are used */ /* to hold font names, copyright info, notices, etc.) (specification). */ /* */ /* This is _not_ used to retrieve glyph names! */ /* */ /* Copyright 1996-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #ifndef FTSNAMES_H_ #define FTSNAMES_H_ #include <ft2build.h> #include FT_FREETYPE_H #include FT_PARAMETER_TAGS_H #ifdef FREETYPE_H #error "freetype.h of FreeType 1 has been loaded!" #error "Please fix the directory search order for header files" #error "so that freetype.h of FreeType 2 is found first." #endif FT_BEGIN_HEADER /*************************************************************************/ /* */ /* <Section> */ /* sfnt_names */ /* */ /* <Title> */ /* SFNT Names */ /* */ /* <Abstract> */ /* Access the names embedded in TrueType and OpenType files. */ /* */ /* <Description> */ /* The TrueType and OpenType specifications allow the inclusion of */ /* a special names table (`name') in font files. This table contains */ /* textual (and internationalized) information regarding the font, */ /* like family name, copyright, version, etc. */ /* */ /* The definitions below are used to access them if available. */ /* */ /* Note that this has nothing to do with glyph names! */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* <Struct> */ /* FT_SfntName */ /* */ /* <Description> */ /* A structure used to model an SFNT `name' table entry. */ /* */ /* <Fields> */ /* platform_id :: The platform ID for `string'. */ /* See @TT_PLATFORM_XXX for possible values. */ /* */ /* encoding_id :: The encoding ID for `string'. */ /* See @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX, */ /* @TT_ISO_ID_XXX, @TT_MS_ID_XXX, and @TT_ADOBE_ID_XXX */ /* for possible values. */ /* */ /* language_id :: The language ID for `string'. */ /* See @TT_MAC_LANGID_XXX and @TT_MS_LANGID_XXX for */ /* possible values. */ /* */ /* Registered OpenType values for `language_id' are */ /* always smaller than 0x8000; values equal or larger */ /* than 0x8000 usually indicate a language tag string */ /* (introduced in OpenType version 1.6). Use function */ /* @FT_Get_Sfnt_LangTag with `language_id' as its */ /* argument to retrieve the associated language tag. */ /* */ /* name_id :: An identifier for `string'. */ /* See @TT_NAME_ID_XXX for possible values. */ /* */ /* string :: The `name' string. Note that its format differs */ /* depending on the (platform,encoding) pair, being */ /* either a string of bytes (without a terminating */ /* NULL byte) or containing UTF-16BE entities. */ /* */ /* string_len :: The length of `string' in bytes. */ /* */ /* <Note> */ /* Please refer to the TrueType or OpenType specification for more */ /* details. */ /* */ typedef struct FT_SfntName_ { FT_UShort platform_id; FT_UShort encoding_id; FT_UShort language_id; FT_UShort name_id; FT_Byte* string; /* this string is *not* null-terminated! */ FT_UInt string_len; /* in bytes */ } FT_SfntName; /*************************************************************************/ /* */ /* <Function> */ /* FT_Get_Sfnt_Name_Count */ /* */ /* <Description> */ /* Retrieve the number of name strings in the SFNT `name' table. */ /* */ /* <Input> */ /* face :: A handle to the source face. */ /* */ /* <Return> */ /* The number of strings in the `name' table. */ /* */ FT_EXPORT( FT_UInt ) FT_Get_Sfnt_Name_Count( FT_Face face ); /*************************************************************************/ /* */ /* <Function> */ /* FT_Get_Sfnt_Name */ /* */ /* <Description> */ /* Retrieve a string of the SFNT `name' table for a given index. */ /* */ /* <Input> */ /* face :: A handle to the source face. */ /* */ /* idx :: The index of the `name' string. */ /* */ /* <Output> */ /* aname :: The indexed @FT_SfntName structure. */ /* */ /* <Return> */ /* FreeType error code. 0~means success. */ /* */ /* <Note> */ /* The `string' array returned in the `aname' structure is not */ /* null-terminated. Note that you don't have to deallocate `string' */ /* by yourself; FreeType takes care of it if you call @FT_Done_Face. */ /* */ /* Use @FT_Get_Sfnt_Name_Count to get the total number of available */ /* `name' table entries, then do a loop until you get the right */ /* platform, encoding, and name ID. */ /* */ /* `name' table format~1 entries can use language tags also, see */ /* @FT_Get_Sfnt_LangTag. */ /* */ FT_EXPORT( FT_Error ) FT_Get_Sfnt_Name( FT_Face face, FT_UInt idx, FT_SfntName *aname ); /*************************************************************************/ /* */ /* <Struct> */ /* FT_SfntLangTag */ /* */ /* <Description> */ /* A structure to model a language tag entry from an SFNT `name' */ /* table. */ /* */ /* <Fields> */ /* string :: The language tag string, encoded in UTF-16BE */ /* (without trailing NULL bytes). */ /* */ /* string_len :: The length of `string' in *bytes*. */ /* */ /* <Note> */ /* Please refer to the TrueType or OpenType specification for more */ /* details. */ /* */ /* <Since> */ /* 2.8 */ /* */ typedef struct FT_SfntLangTag_ { FT_Byte* string; /* this string is *not* null-terminated! */ FT_UInt string_len; /* in bytes */ } FT_SfntLangTag; /*************************************************************************/ /* */ /* <Function> */ /* FT_Get_Sfnt_LangTag */ /* */ /* <Description> */ /* Retrieve the language tag associated with a language ID of an SFNT */ /* `name' table entry. */ /* */ /* <Input> */ /* face :: A handle to the source face. */ /* */ /* langID :: The language ID, as returned by @FT_Get_Sfnt_Name. */ /* This is always a value larger than 0x8000. */ /* */ /* <Output> */ /* alangTag :: The language tag associated with the `name' table */ /* entry's language ID. */ /* */ /* <Return> */ /* FreeType error code. 0~means success. */ /* */ /* <Note> */ /* The `string' array returned in the `alangTag' structure is not */ /* null-terminated. Note that you don't have to deallocate `string' */ /* by yourself; FreeType takes care of it if you call @FT_Done_Face. */ /* */ /* Only `name' table format~1 supports language tags. For format~0 */ /* tables, this function always returns FT_Err_Invalid_Table. For */ /* invalid format~1 language ID values, FT_Err_Invalid_Argument is */ /* returned. */ /* */ /* <Since> */ /* 2.8 */ /* */ FT_EXPORT( FT_Error ) FT_Get_Sfnt_LangTag( FT_Face face, FT_UInt langID, FT_SfntLangTag *alangTag ); /* */ FT_END_HEADER #endif /* FTSNAMES_H_ */ /* END */
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