freetype/include/ftsnames.h


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/***************************************************************************/
/*                                                                         */
/*  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 1996-2003, 2006, 2009, 2010, 2013 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 __FT_SFNT_NAMES_H__
#define __FT_SFNT_NAMES_H__


#include <ft2build.h>
#include <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' 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'.                       */
  /*                                                                       */
  /*    encoding_id :: The encoding ID for `string'.                       */
  /*                                                                       */
  /*    language_id :: The language ID for `string'.                       */
  /*                                                                       */
  /*    name_id     :: An identifier for `string'.                         */
  /*                                                                       */
  /*    string      :: The `name' string.  Note that its format differs    */
  /*                   depending on the (platform,encoding) pair.  It can  */
  /*                   be a Pascal String, a UTF-16 one, etc.              */
  /*                                                                       */
  /*                   Generally speaking, the string is not               */
  /*                   zero-terminated.  Please refer to the TrueType      */
  /*                   specification for details.                          */
  /*                                                                       */
  /*    string_len  :: The length of `string' in bytes.                    */
  /*                                                                       */
  /* <Note>                                                                */
  /*    Possible values for `platform_id', `encoding_id', `language_id',   */
  /*    and `name_id' are given in the file `ttnameid.h'.  For details     */
  /*    please refer to the TrueType or OpenType specification.            */
  /*                                                                       */
  /*    See also @TT_PLATFORM_XXX, @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX,       */
  /*    @TT_ISO_ID_XXX, and @TT_MS_ID_XXX.                                 */
  /*                                                                       */
  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.  The application should deallocate it if it is no */
  /*    longer in use.                                                     */
  /*                                                                       */
  /*    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.                                   */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Get_Sfnt_Name( FT_Face       face,
                    FT_UInt       idx,
                    FT_SfntName  *aname );


  /***************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY
   *
   * @description:
   *   A constant used as the tag of @FT_Parameter structures to make
   *   FT_Open_Face() ignore preferred family subfamily names in `name'
   *   table since OpenType version 1.4.  For backwards compatibility with
   *   legacy systems that have a 4-face-per-family restriction.
   *
   */
#define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY  FT_MAKE_TAG( 'i', 'g', 'p', 'f' )


  /***************************************************************************
   *
   * @constant:
   *   FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY
   *
   * @description:
   *   A constant used as the tag of @FT_Parameter structures to make
   *   FT_Open_Face() ignore preferred subfamily names in `name' table since
   *   OpenType version 1.4.  For backwards compatibility with legacy
   *   systems that have a 4-face-per-family restriction.
   *
   */
#define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY  FT_MAKE_TAG( 'i', 'g', 'p', 's' )

  /* */


FT_END_HEADER

#endif /* __FT_SFNT_NAMES_H__ */


/* END */