ref: 24e256ab005c68a3894845ef3b7764338f9442a4
dir: /include/freetype/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 1996-2017 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
#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. */
/* */
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. */
/* */
FT_EXPORT( FT_Error )
FT_Get_Sfnt_LangTag( FT_Face face,
FT_UInt langID,
FT_SfntLangTag *alangTag );
/***************************************************************************
*
* @constant:
* FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY
*
* @description:
* A tag for @FT_Parameter to make @FT_Open_Face ignore typographic
* family names in the `name' table (introduced in OpenType version
* 1.4). Use this for backward compatibility with legacy systems that
* have a four-faces-per-family restriction.
*
*/
#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY \
FT_MAKE_TAG( 'i', 'g', 'p', 'f' )
/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY \
FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY
/***************************************************************************
*
* @constant:
* FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY
*
* @description:
* A tag for @FT_Parameter to make @FT_Open_Face ignore typographic
* subfamily names in the `name' table (introduced in OpenType version
* 1.4). Use this for backward compatibility with legacy systems that
* have a four-faces-per-family restriction.
*
*/
#define FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY \
FT_MAKE_TAG( 'i', 'g', 'p', 's' )
/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY \
FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY
/* */
FT_END_HEADER
#endif /* FTSNAMES_H_ */
/* END */