sfnt.h

ucgui的矢量字库支持包,可以象windows一样使用truetype的字库了

  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.  Returns an error if no     */
  /*    sbit strike exists for the selected ppem values.                   */
  /*                                                                       */
  typedef FT_Error
  (*TT_Set_SBit_Strike_OldFunc)( TT_Face    face,
                                 FT_UInt    x_ppem,
                                 FT_UInt    y_ppem,
                                 FT_ULong*  astrike_index );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_CharMap_Load_Func                                               */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Loads a given TrueType character map into memory.                  */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face   :: A handle to the parent face object.                      */
  /*                                                                       */
  /*    stream :: A handle to the current stream object.                   */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    cmap   :: A pointer to a cmap object.                              */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  /* <Note>                                                                */
  /*    The function assumes that the stream is already in use (i.e.,      */
  /*    opened).  In case of error, all partially allocated tables are     */
  /*    released.                                                          */
  /*                                                                       */
  typedef FT_Error
  (*TT_CharMap_Load_Func)( TT_Face    face,
                           void*      cmap,
                           FT_Stream  input );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_CharMap_Free_Func                                               */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Destroys a character mapping table.                                */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face :: A handle to the parent face object.                        */
  /*                                                                       */
  /*    cmap :: A handle to a cmap object.                                 */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  typedef FT_Error
  (*TT_CharMap_Free_Func)( TT_Face       face,
                           void*         cmap );

#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_Set_SBit_Strike_Func                                            */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Select an sbit strike for a given size request.                    */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face          :: The target face object.                           */
  /*                                                                       */
  /*    req           :: The size request.                                 */
  /*                                                                       */
  /* <Output>                                                              */
  /*    astrike_index :: The index of the sbit strike.                     */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.  Returns an error if no     */
  /*    sbit strike exists for the selected ppem values.                   */
  /*                                                                       */
  typedef FT_Error
  (*TT_Set_SBit_Strike_Func)( TT_Face          face,
                              FT_Size_Request  req,
                              FT_ULong*        astrike_index );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_Load_Strike_Metrics_Func                                        */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Load the metrics of a given strike.                                */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face          :: The target face object.                           */
  /*                                                                       */
  /*    strike_index  :: The strike index.                                 */
  /*                                                                       */
  /* <Output>                                                              */
  /*    metrics       :: the metrics of the strike.                        */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.  Returns an error if no     */
  /*    such sbit strike exists.                                           */
  /*                                                                       */
  typedef FT_Error
  (*TT_Load_Strike_Metrics_Func)( TT_Face           face,
                                  FT_ULong          strike_index,
                                  FT_Size_Metrics*  metrics );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_Get_PS_Name_Func                                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Get the PostScript glyph name of a glyph.                          */
  /*                                                                       */
  /* <Input>                                                               */
  /*    idx  :: The glyph index.                                           */
  /*                                                                       */
  /*    PSname :: The address of a string pointer.  Will be NULL in case   */
  /*              of error, otherwise it is a pointer to the glyph name.   */
  /*                                                                       */
  /*              You must not modify the returned string!                 */
  /*                                                                       */
  /* <Output>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  typedef FT_Error
  (*TT_Get_PS_Name_Func)( TT_Face      face,
                          FT_UInt      idx,
                          FT_String**  PSname );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_Load_Metrics_Func                                               */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Load a metrics table, which is a table with a horizontal and a     */
  /*    vertical version.                                                  */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face     :: A handle to the target face object.                    */
  /*                                                                       */
  /*    stream   :: The input stream.                                      */
  /*                                                                       */
  /*    vertical :: A boolean flag.  If set, load the vertical one.        */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  typedef FT_Error
  (*TT_Load_Metrics_Func)( TT_Face    face,
                           FT_Stream  stream,
                           FT_Bool    vertical );


  /*************************************************************************/
  /*                                                                       */
  /* <FuncType>                                                            */
  /*    TT_Get_Metrics_Func                                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Load the horizontal or vertical header in a face object.           */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face     :: A handle to the target face object.                    */
  /*                                                                       */
  /*    stream   :: The input stream.                                      */
  /*                                                                       */
  /*    vertical :: A boolean flag.  If set, load vertical metrics.        */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  typedef FT_Error
  (*TT_Get_Metrics_Func)( TT_Face     face,
                          FT_Bool     vertical,
                          FT_UInt     gindex,
                          FT_Short*   abearing,
                          FT_UShort*  aadvance );