ftmm.h

winNT技术操作系统,国外开放的原代码和LIUX一样

  /*                       MM; no limit in GX.                             */
  /*                                                                       */
  /*    num_designs     :: The number of designs; should be normally       */
  /*                       2^num_axis for MM fonts.  Not meaningful for GX */
  /*                       (where every glyph could have a different       */
  /*                       number of designs).                             */
  /*                                                                       */
  /*    num_namedstyles :: The number of named styles; only meaningful for */
  /*                       GX which allows certain design coordinates to   */
  /*                       have a string ID (in the `name' table)          */
  /*                       associated with them.  The font can tell the    */
  /*                       user that, for example, Weight=1.5 is `Bold'.   */
  /*                                                                       */
  /*    axis            :: A table of axis descriptors.                    */
  /*                       GX fonts contain slightly more data than MM.    */
  /*                                                                       */
  /*    namedstyles     :: A table of named styles.                        */
  /*                       Only meaningful with GX.                        */
  /*                                                                       */
  typedef struct  FT_MM_Var_
  {
    FT_UInt              num_axis;
    FT_UInt              num_designs;
    FT_UInt              num_namedstyles;
    FT_Var_Axis*         axis;
    FT_Var_Named_Style*  namedstyle;

  } FT_MM_Var;


  /* */


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Get_Multi_Master                                                */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Retrieves the Multiple Master descriptor of a given font.          */
  /*                                                                       */
  /*    This function can't be used with GX fonts.                         */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face    :: A handle to the source face.                            */
  /*                                                                       */
  /* <Output>                                                              */
  /*    amaster :: The Multiple Masters descriptor.                        */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Get_Multi_Master( FT_Face           face,
                       FT_Multi_Master  *amaster );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Get_MM_Var                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Retrieves the Multiple Master/GX var descriptor of a given font.   */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face    :: A handle to the source face.                            */
  /*                                                                       */
  /* <Output>                                                              */
  /*    amaster :: The Multiple Masters descriptor.                        */
  /*               Allocates a data structure, which the user must free    */
  /*               (a single call to FT_FREE will do it).                  */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Get_MM_Var( FT_Face      face,
                 FT_MM_Var*  *amaster );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Set_MM_Design_Coordinates                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    For Multiple Masters fonts, choose an interpolated font design     */
  /*    through design coordinates.                                        */
  /*                                                                       */
  /*    This function can't be used with GX fonts.                         */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: A handle to the source face.                         */
  /*                                                                       */
  /* <Input>                                                               */
  /*    num_coords :: The number of design coordinates (must be equal to   */
  /*                  the number of axes in the font).                     */
  /*                                                                       */
  /*    coords     :: An array of design coordinates.                      */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Set_MM_Design_Coordinates( FT_Face   face,
                                FT_UInt   num_coords,
                                FT_Long*  coords );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Set_Var_Design_Coordinates                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*    For Multiple Master or GX Var fonts, choose an interpolated font   */
  /*    design through design coordinates.                                 */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: A handle to the source face.                         */
  /*                                                                       */
  /* <Input>                                                               */
  /*    num_coords :: The number of design coordinates (must be equal to   */
  /*                  the number of axes in the font).                     */
  /*                                                                       */
  /*    coords     :: An array of design coordinates.                      */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Set_Var_Design_Coordinates( FT_Face    face,
                                 FT_UInt    num_coords,
                                 FT_Fixed*  coords );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Set_MM_Blend_Coordinates                                        */
  /*                                                                       */
  /* <Description>                                                         */
  /*    For Multiple Masters and GX var fonts, choose an interpolated font */
  /*    design through normalized blend coordinates.                       */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    face       :: A handle to the source face.                         */
  /*                                                                       */
  /* <Input>                                                               */
  /*    num_coords :: The number of design coordinates (must be equal to   */
  /*                  the number of axes in the font).                     */
  /*                                                                       */
  /*    coords     :: The design coordinates array (each element must be   */
  /*                  between 0 and 1.0).                                  */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Set_MM_Blend_Coordinates( FT_Face    face,
                               FT_UInt    num_coords,
                               FT_Fixed*  coords );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    FT_Set_Var_Blend_Coordinates                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    This is another name of @FT_Set_MM_Blend_Coordinates.              */
  /*                                                                       */
  FT_EXPORT( FT_Error )
  FT_Set_Var_Blend_Coordinates( FT_Face    face,
                                FT_UInt    num_coords,
                                FT_Fixed*  coords );


  /* */


FT_END_HEADER

#endif /* __FTMM_H__ */


/* END */