psaux.h

可以在hge引擎中显示中文字体

    void*           hints_funcs;    /* hinter-specific */
    void*           hints_globals;  /* hinter-specific */

    T1_Builder_FuncsRec  funcs;

  } T1_BuilderRec;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                         T1 DECODER                            *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

#if 0

  /*************************************************************************/
  /*                                                                       */
  /* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine   */
  /* calls during glyph loading.                                           */
  /*                                                                       */
#define T1_MAX_SUBRS_CALLS  8


  /*************************************************************************/
  /*                                                                       */
  /* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity.  A     */
  /* minimum of 16 is required.                                            */
  /*                                                                       */
#define T1_MAX_CHARSTRINGS_OPERANDS  32

#endif /* 0 */


  typedef struct  T1_Decoder_ZoneRec_
  {
    FT_Byte*  cursor;
    FT_Byte*  base;
    FT_Byte*  limit;

  } T1_Decoder_ZoneRec, *T1_Decoder_Zone;


  typedef struct T1_DecoderRec_*              T1_Decoder;
  typedef const struct T1_Decoder_FuncsRec_*  T1_Decoder_Funcs;


  typedef FT_Error
  (*T1_Decoder_Callback)( T1_Decoder  decoder,
                          FT_UInt     glyph_index );


  typedef struct  T1_Decoder_FuncsRec_
  {
    FT_Error
    (*init)( T1_Decoder           decoder,
             FT_Face              face,
             FT_Size              size,
             FT_GlyphSlot         slot,
             FT_Byte**            glyph_names,
             PS_Blend             blend,
             FT_Bool              hinting,
             FT_Render_Mode       hint_mode,
             T1_Decoder_Callback  callback );

    void
    (*done)( T1_Decoder  decoder );

    FT_Error
    (*parse_charstrings)( T1_Decoder  decoder,
                          FT_Byte*    base,
                          FT_UInt     len );

  } T1_Decoder_FuncsRec;


  typedef struct  T1_DecoderRec_
  {
    T1_BuilderRec        builder;

    FT_Long              stack[T1_MAX_CHARSTRINGS_OPERANDS];
    FT_Long*             top;

    T1_Decoder_ZoneRec   zones[T1_MAX_SUBRS_CALLS + 1];
    T1_Decoder_Zone      zone;

    FT_Service_PsCMaps   psnames;      /* for seac */
    FT_UInt              num_glyphs;
    FT_Byte**            glyph_names;

    FT_Int               lenIV;        /* internal for sub routine calls */
    FT_UInt              num_subrs;
    FT_Byte**            subrs;
    FT_PtrDist*          subrs_len;    /* array of subrs length (optional) */

    FT_Matrix            font_matrix;
    FT_Vector            font_offset;

    FT_Int               flex_state;
    FT_Int               num_flex_vectors;
    FT_Vector            flex_vectors[7];

    PS_Blend             blend;       /* for multiple master support */

    FT_Render_Mode       hint_mode;

    T1_Decoder_Callback  parse_callback;
    T1_Decoder_FuncsRec  funcs;

    FT_Int*              buildchar;
    FT_UInt              len_buildchar;

  } T1_DecoderRec;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                            AFM PARSER                         *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

  typedef struct AFM_ParserRec_*  AFM_Parser;

  typedef struct  AFM_Parser_FuncsRec_
  {
    FT_Error
    (*init)( AFM_Parser  parser,
             FT_Memory   memory,
             FT_Byte*    base,
             FT_Byte*    limit );

    void
    (*done)( AFM_Parser  parser );

    FT_Error
    (*parse)( AFM_Parser  parser );

  } AFM_Parser_FuncsRec;


  typedef struct AFM_StreamRec_*  AFM_Stream;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    AFM_ParserRec                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    An AFM_Parser is a parser for the AFM files.                       */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    memory    :: The object used for memory operations (alloc and      */
  /*                 realloc).                                             */
  /*                                                                       */
  /*    stream    :: This is an opaque object.                             */
  /*                                                                       */
  /*    FontInfo  :: The result will be stored here.                       */
  /*                                                                       */
  /*    get_index :: A user provided function to get a glyph index by its  */
  /*                 name.                                                 */
  /*                                                                       */
  typedef struct  AFM_ParserRec_
  {
    FT_Memory     memory;
    AFM_Stream    stream;

    AFM_FontInfo  FontInfo;

    FT_Int
    (*get_index)( const char*  name,
                  FT_UInt      len,
                  void*        user_data );

    void*         user_data;

  } AFM_ParserRec;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                     TYPE1 CHARMAPS                            *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

  typedef const struct T1_CMap_ClassesRec_*  T1_CMap_Classes;

  typedef struct T1_CMap_ClassesRec_
  {
    FT_CMap_Class  standard;
    FT_CMap_Class  expert;
    FT_CMap_Class  custom;
    FT_CMap_Class  unicode;

  } T1_CMap_ClassesRec;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                        PSAux Module Interface                 *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

  typedef struct  PSAux_ServiceRec_
  {
    /* don't use `PS_Table_Funcs' and friends to avoid compiler warnings */
    const PS_Table_FuncsRec*    ps_table_funcs;
    const PS_Parser_FuncsRec*   ps_parser_funcs;
    const T1_Builder_FuncsRec*  t1_builder_funcs;
    const T1_Decoder_FuncsRec*  t1_decoder_funcs;

    void
    (*t1_decrypt)( FT_Byte*   buffer,
                   FT_Offset  length,
                   FT_UShort  seed );

    T1_CMap_Classes  t1_cmap_classes;

    /* fields after this comment line were added after version 2.1.10 */
    const AFM_Parser_FuncsRec*  afm_parser_funcs;

  } PSAux_ServiceRec, *PSAux_Service;

  /* backwards-compatible type definition */
  typedef PSAux_ServiceRec   PSAux_Interface;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                 Some convenience functions                    *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

#define IS_PS_NEWLINE( ch ) \
  ( (ch) == '\r' ||         \
    (ch) == '\n' )

#define IS_PS_SPACE( ch )  \
  ( (ch) == ' '         || \
    IS_PS_NEWLINE( ch ) || \
    (ch) == '\t'        || \
    (ch) == '\f'        || \
    (ch) == '\0' )

#define IS_PS_SPECIAL( ch )       \
  ( (ch) == '/'                || \
    (ch) == '(' || (ch) == ')' || \
    (ch) == '<' || (ch) == '>' || \
    (ch) == '[' || (ch) == ']' || \
    (ch) == '{' || (ch) == '}' || \
    (ch) == '%'                )

#define IS_PS_DELIM( ch )  \
  ( IS_PS_SPACE( ch )   || \
    IS_PS_SPECIAL( ch ) )

#define IS_PS_DIGIT( ch )        \
  ( (ch) >= '0' && (ch) <= '9' )

#define IS_PS_XDIGIT( ch )            \
  ( IS_PS_DIGIT( ch )              || \
    ( (ch) >= 'A' && (ch) <= 'F' ) || \
    ( (ch) >= 'a' && (ch) <= 'f' ) )

#define IS_PS_BASE85( ch )       \
  ( (ch) >= '!' && (ch) <= 'u' )

#define IS_PS_TOKEN( cur, limit, token )                                \
  ( (char)(cur)[0] == (token)[0]                                     && \
    ( (cur) + sizeof ( (token) ) == (limit) ||                          \
      ( (cur) + sizeof( (token) ) < (limit)          &&                 \
        IS_PS_DELIM( (cur)[sizeof ( (token) ) - 1] ) ) )             && \
    ft_strncmp( (char*)(cur), (token), sizeof ( (token) ) - 1 ) == 0 )


FT_END_HEADER

#endif /* __PSAUX_H__ */


/* END */