tttypes.h

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    FT_ULong              ranges_offset;

    FT_ULong              color_ref;

    TT_SBit_Line_Metrics  hori;
    TT_SBit_Line_Metrics  vert;

    FT_UShort             start_glyph;
    FT_UShort             end_glyph;

    FT_Byte               x_ppem;
    FT_Byte               y_ppem;

    FT_Byte               bit_depth;
    FT_Char               flags;

  } TT_SBit_Strike;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    TT_SBit_Component                                                  */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A simple structure to describe a compound sbit element.            */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    glyph_code :: The element's glyph index.                           */
  /*                                                                       */
  /*    x_offset   :: The element's left bearing.                          */
  /*                                                                       */
  /*    y_offset   :: The element's top bearing.                           */
  /*                                                                       */
  typedef struct  TT_SBit_Component_
  {
    FT_UShort  glyph_code;
    FT_Char    x_offset;
    FT_Char    y_offset;

  } TT_SBit_Component;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    TT_SBit_Scale                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A structure used describe a given bitmap scaling table, as defined */
  /*    in the `EBSC' table.                                               */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    hori              :: The horizontal line metrics.                  */
  /*                                                                       */
  /*    vert              :: The vertical line metrics.                    */
  /*                                                                       */
  /*    x_ppem            :: The number of horizontal pixels per EM.       */
  /*                                                                       */
  /*    y_ppem            :: The number of vertical pixels per EM.         */
  /*                                                                       */
  /*    x_ppem_substitute :: Substitution x_ppem value.                    */
  /*                                                                       */
  /*    y_ppem_substitute :: Substitution y_ppem value.                    */
  /*                                                                       */
  typedef struct  TT_SBit_Scale_
  {
    TT_SBit_Line_Metrics  hori;
    TT_SBit_Line_Metrics  vert;

    FT_Byte               x_ppem;
    FT_Byte               y_ppem;

    FT_Byte               x_ppem_substitute;
    FT_Byte               y_ppem_substitute;

  } TT_SBit_Scale;


  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/
  /***                                                                   ***/
  /***                                                                   ***/
  /***                  POSTSCRIPT GLYPH NAMES SUPPORT                   ***/
  /***                                                                   ***/
  /***                                                                   ***/
  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    TT_Post_20                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Postscript names sub-table, format 2.0.  Stores the PS name of     */
  /*    each glyph in the font face.                                       */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    num_glyphs    :: The number of named glyphs in the table.          */
  /*                                                                       */
  /*    num_names     :: The number of PS names stored in the table.       */
  /*                                                                       */
  /*    glyph_indices :: The indices of the glyphs in the names arrays.    */
  /*                                                                       */
  /*    glyph_names   :: The PS names not in Mac Encoding.                 */
  /*                                                                       */
  typedef struct  TT_Post_20_
  {
    FT_UShort   num_glyphs;
    FT_UShort   num_names;
    FT_UShort*  glyph_indices;
    FT_Char**   glyph_names;

  } TT_Post_20;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    TT_Post_25                                                         */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Postscript names sub-table, format 2.5.  Stores the PS name of     */
  /*    each glyph in the font face.                                       */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    num_glyphs :: The number of glyphs in the table.                   */
  /*                                                                       */
  /*    offsets    :: An array of signed offsets in a normal Mac           */
  /*                  Postscript name encoding.                            */
  /*                                                                       */
  typedef struct  TT_Post_25_
  {
    FT_UShort  num_glyphs;
    FT_Char*   offsets;

  } TT_Post_25;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    TT_Post_Names                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Postscript names table, either format 2.0 or 2.5.                  */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    loaded    :: A flag to indicate whether the PS names are loaded.   */
  /*                                                                       */
  /*    format_20 :: The sub-table used for format 2.0.                    */
  /*                                                                       */
  /*    format_25 :: The sub-table used for format 2.5.                    */
  /*                                                                       */
  typedef struct  TT_Post_Names_
  {
    FT_Bool       loaded;

    union
    {
      TT_Post_20  format_20;
      TT_Post_25  format_25;

    } names;

  } TT_Post_Names;


  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/
  /***                                                                   ***/
  /***                                                                   ***/
  /***                  TRUETYPE CHARMAPS SUPPORT                        ***/
  /***                                                                   ***/
  /***                                                                   ***/
  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/


  /* format 0 */

  typedef struct  TT_CMap0_
  {
    FT_ULong  language;       /* for Mac fonts (originally ushort) */

    FT_Byte*  glyphIdArray;

  } TT_CMap0;


  /* format 2 */

  typedef struct  TT_CMap2SubHeader_
  {
    FT_UShort  firstCode;      /* first valid low byte         */
    FT_UShort  entryCount;     /* number of valid low bytes    */
    FT_Short   idDelta;        /* delta value to glyphIndex    */
    FT_UShort  idRangeOffset;  /* offset from here to 1st code */

  } TT_CMap2SubHeader;


  typedef struct  TT_CMap2_
  {
    FT_ULong            language;     /* for Mac fonts (originally ushort) */

    FT_UShort*          subHeaderKeys;
    /* high byte mapping table            */
    /* value = subHeader index * 8        */

    TT_CMap2SubHeader*  subHeaders;
    FT_UShort*          glyphIdArray;
    FT_UShort           numGlyphId;   /* control value */

  } TT_CMap2;


  /* format 4 */

  typedef struct  TT_CMap4Segment_
  {
    FT_UShort  endCount;
    FT_UShort  startCount;
    FT_Short   idDelta;
    FT_UShort  idRangeOffset;

  } TT_CMap4Segment;


  typedef struct  TT_CMap4_
  {
    FT_ULong          language;       /* for Mac fonts (originally ushort) */

    FT_UShort         segCountX2;     /* number of segments * 2            */
    FT_UShort         searchRange;    /* these parameters can be used      */
    FT_UShort         entrySelector;  /* for a binary search               */
    FT_UShort         rangeShift;

    TT_CMap4Segment*  segments;