misc/libfreetype/include/freetype/ftsnames.h
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changeset 9382 f1464fa10c0b
parent 9346 1245c7636380
parent 9380 563ab624522c
child 9384 557ae509547b
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9346:1245c7636380 9382:f1464fa10c0b
     1 /***************************************************************************/
       
     2 /*                                                                         */
       
     3 /*  ftsnames.h                                                             */
       
     4 /*                                                                         */
       
     5 /*    Simple interface to access SFNT name tables (which are used          */
       
     6 /*    to hold font names, copyright info, notices, etc.) (specification).  */
       
     7 /*                                                                         */
       
     8 /*    This is _not_ used to retrieve glyph names!                          */
       
     9 /*                                                                         */
       
    10 /*  Copyright 1996-2001, 2002, 2003, 2006, 2009, 2010 by                   */
       
    11 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
       
    12 /*                                                                         */
       
    13 /*  This file is part of the FreeType project, and may only be used,       */
       
    14 /*  modified, and distributed under the terms of the FreeType project      */
       
    15 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
       
    16 /*  this file you indicate that you have read the license and              */
       
    17 /*  understand and accept it fully.                                        */
       
    18 /*                                                                         */
       
    19 /***************************************************************************/
       
    20 
       
    21 
       
    22 #ifndef __FT_SFNT_NAMES_H__
       
    23 #define __FT_SFNT_NAMES_H__
       
    24 
       
    25 
       
    26 #include <ft2build.h>
       
    27 #include FT_FREETYPE_H
       
    28 
       
    29 #ifdef FREETYPE_H
       
    30 #error "freetype.h of FreeType 1 has been loaded!"
       
    31 #error "Please fix the directory search order for header files"
       
    32 #error "so that freetype.h of FreeType 2 is found first."
       
    33 #endif
       
    34 
       
    35 
       
    36 FT_BEGIN_HEADER
       
    37 
       
    38 
       
    39   /*************************************************************************/
       
    40   /*                                                                       */
       
    41   /* <Section>                                                             */
       
    42   /*    sfnt_names                                                         */
       
    43   /*                                                                       */
       
    44   /* <Title>                                                               */
       
    45   /*    SFNT Names                                                         */
       
    46   /*                                                                       */
       
    47   /* <Abstract>                                                            */
       
    48   /*    Access the names embedded in TrueType and OpenType files.          */
       
    49   /*                                                                       */
       
    50   /* <Description>                                                         */
       
    51   /*    The TrueType and OpenType specifications allow the inclusion of    */
       
    52   /*    a special `names table' in font files.  This table contains        */
       
    53   /*    textual (and internationalized) information regarding the font,    */
       
    54   /*    like family name, copyright, version, etc.                         */
       
    55   /*                                                                       */
       
    56   /*    The definitions below are used to access them if available.        */
       
    57   /*                                                                       */
       
    58   /*    Note that this has nothing to do with glyph names!                 */
       
    59   /*                                                                       */
       
    60   /*************************************************************************/
       
    61 
       
    62 
       
    63   /*************************************************************************/
       
    64   /*                                                                       */
       
    65   /* <Struct>                                                              */
       
    66   /*    FT_SfntName                                                        */
       
    67   /*                                                                       */
       
    68   /* <Description>                                                         */
       
    69   /*    A structure used to model an SFNT `name' table entry.              */
       
    70   /*                                                                       */
       
    71   /* <Fields>                                                              */
       
    72   /*    platform_id :: The platform ID for `string'.                       */
       
    73   /*                                                                       */
       
    74   /*    encoding_id :: The encoding ID for `string'.                       */
       
    75   /*                                                                       */
       
    76   /*    language_id :: The language ID for `string'.                       */
       
    77   /*                                                                       */
       
    78   /*    name_id     :: An identifier for `string'.                         */
       
    79   /*                                                                       */
       
    80   /*    string      :: The `name' string.  Note that its format differs    */
       
    81   /*                   depending on the (platform,encoding) pair.  It can  */
       
    82   /*                   be a Pascal String, a UTF-16 one, etc.              */
       
    83   /*                                                                       */
       
    84   /*                   Generally speaking, the string is not               */
       
    85   /*                   zero-terminated.  Please refer to the TrueType      */
       
    86   /*                   specification for details.                          */
       
    87   /*                                                                       */
       
    88   /*    string_len  :: The length of `string' in bytes.                    */
       
    89   /*                                                                       */
       
    90   /* <Note>                                                                */
       
    91   /*    Possible values for `platform_id', `encoding_id', `language_id',   */
       
    92   /*    and `name_id' are given in the file `ttnameid.h'.  For details     */
       
    93   /*    please refer to the TrueType or OpenType specification.            */
       
    94   /*                                                                       */
       
    95   /*    See also @TT_PLATFORM_XXX, @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX,       */
       
    96   /*    @TT_ISO_ID_XXX, and @TT_MS_ID_XXX.                                 */
       
    97   /*                                                                       */
       
    98   typedef struct  FT_SfntName_
       
    99   {
       
   100     FT_UShort  platform_id;
       
   101     FT_UShort  encoding_id;
       
   102     FT_UShort  language_id;
       
   103     FT_UShort  name_id;
       
   104 
       
   105     FT_Byte*   string;      /* this string is *not* null-terminated! */
       
   106     FT_UInt    string_len;  /* in bytes */
       
   107 
       
   108   } FT_SfntName;
       
   109 
       
   110 
       
   111   /*************************************************************************/
       
   112   /*                                                                       */
       
   113   /* <Function>                                                            */
       
   114   /*    FT_Get_Sfnt_Name_Count                                             */
       
   115   /*                                                                       */
       
   116   /* <Description>                                                         */
       
   117   /*    Retrieve the number of name strings in the SFNT `name' table.      */
       
   118   /*                                                                       */
       
   119   /* <Input>                                                               */
       
   120   /*    face :: A handle to the source face.                               */
       
   121   /*                                                                       */
       
   122   /* <Return>                                                              */
       
   123   /*    The number of strings in the `name' table.                         */
       
   124   /*                                                                       */
       
   125   FT_EXPORT( FT_UInt )
       
   126   FT_Get_Sfnt_Name_Count( FT_Face  face );
       
   127 
       
   128 
       
   129   /*************************************************************************/
       
   130   /*                                                                       */
       
   131   /* <Function>                                                            */
       
   132   /*    FT_Get_Sfnt_Name                                                   */
       
   133   /*                                                                       */
       
   134   /* <Description>                                                         */
       
   135   /*    Retrieve a string of the SFNT `name' table for a given index.      */
       
   136   /*                                                                       */
       
   137   /* <Input>                                                               */
       
   138   /*    face  :: A handle to the source face.                              */
       
   139   /*                                                                       */
       
   140   /*    idx   :: The index of the `name' string.                           */
       
   141   /*                                                                       */
       
   142   /* <Output>                                                              */
       
   143   /*    aname :: The indexed @FT_SfntName structure.                       */
       
   144   /*                                                                       */
       
   145   /* <Return>                                                              */
       
   146   /*    FreeType error code.  0~means success.                             */
       
   147   /*                                                                       */
       
   148   /* <Note>                                                                */
       
   149   /*    The `string' array returned in the `aname' structure is not        */
       
   150   /*    null-terminated.  The application should deallocate it if it is no */
       
   151   /*    longer in use.                                                     */
       
   152   /*                                                                       */
       
   153   /*    Use @FT_Get_Sfnt_Name_Count to get the total number of available   */
       
   154   /*    `name' table entries, then do a loop until you get the right       */
       
   155   /*    platform, encoding, and name ID.                                   */
       
   156   /*                                                                       */
       
   157   FT_EXPORT( FT_Error )
       
   158   FT_Get_Sfnt_Name( FT_Face       face,
       
   159                     FT_UInt       idx,
       
   160                     FT_SfntName  *aname );
       
   161 
       
   162 
       
   163   /***************************************************************************
       
   164    *
       
   165    * @constant:
       
   166    *   FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY
       
   167    *
       
   168    * @description:
       
   169    *   A constant used as the tag of @FT_Parameter structures to make
       
   170    *   FT_Open_Face() ignore preferred family subfamily names in `name'
       
   171    *   table since OpenType version 1.4.  For backwards compatibility with
       
   172    *   legacy systems which has 4-face-per-family restriction.
       
   173    *
       
   174    */
       
   175 #define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY  FT_MAKE_TAG( 'i', 'g', 'p', 'f' )
       
   176 
       
   177 
       
   178   /***************************************************************************
       
   179    *
       
   180    * @constant:
       
   181    *   FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY
       
   182    *
       
   183    * @description:
       
   184    *   A constant used as the tag of @FT_Parameter structures to make
       
   185    *   FT_Open_Face() ignore preferred subfamily names in `name' table since
       
   186    *   OpenType version 1.4.  For backwards compatibility with legacy
       
   187    *   systems which has 4-face-per-family restriction.
       
   188    *
       
   189    */
       
   190 #define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY  FT_MAKE_TAG( 'i', 'g', 'p', 's' )
       
   191 
       
   192   /* */
       
   193 
       
   194 
       
   195 FT_END_HEADER
       
   196 
       
   197 #endif /* __FT_SFNT_NAMES_H__ */
       
   198 
       
   199 
       
   200 /* END */