psaux.h

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#define T1_FIELD_FIXED_1000( _ident, _fname, _dict )                     \
          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_1000, _fname, \
                               _dict )

#define T1_FIELD_STRING( _ident, _fname, _dict )                             \
          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_STRING, _fname, _dict )

#define T1_FIELD_KEY( _ident, _fname, _dict )                             \
          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_KEY, _fname, _dict )

#define T1_FIELD_BBOX( _ident, _fname, _dict )                             \
          T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BBOX, _fname, _dict )


#define T1_FIELD_NUM_TABLE( _ident, _fname, _fmax, _dict )         \
          T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
                              _fname, _fmax, _dict )

#define T1_FIELD_FIXED_TABLE( _ident, _fname, _fmax, _dict )     \
          T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
                              _fname, _fmax, _dict )

#define T1_FIELD_NUM_TABLE2( _ident, _fname, _fmax, _dict )         \
          T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
                               _fname, _fmax, _dict )

#define T1_FIELD_FIXED_TABLE2( _ident, _fname, _fmax, _dict )     \
          T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
                               _fname, _fmax, _dict )

#define T1_FIELD_CALLBACK( _ident, _name, _dict )       \
          T1_NEW_CALLBACK_FIELD( _ident, _name, _dict )


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                            T1 PARSER                          *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/

  typedef const struct PS_Parser_FuncsRec_*  PS_Parser_Funcs;

  typedef struct  PS_Parser_FuncsRec_
  {
    void
    (*init)( PS_Parser  parser,
             FT_Byte*   base,
             FT_Byte*   limit,
             FT_Memory  memory );

    void
    (*done)( PS_Parser  parser );

    void
    (*skip_spaces)( PS_Parser  parser );
    void
    (*skip_PS_token)( PS_Parser  parser );

    FT_Long
    (*to_int)( PS_Parser  parser );
    FT_Fixed
    (*to_fixed)( PS_Parser  parser,
                 FT_Int     power_ten );

    FT_Error
    (*to_bytes)( PS_Parser  parser,
                 FT_Byte*   bytes,
                 FT_Long    max_bytes,
                 FT_Long*   pnum_bytes,
                 FT_Bool    delimiters );

    FT_Int
    (*to_coord_array)( PS_Parser  parser,
                       FT_Int     max_coords,
                       FT_Short*  coords );
    FT_Int
    (*to_fixed_array)( PS_Parser  parser,
                       FT_Int     max_values,
                       FT_Fixed*  values,
                       FT_Int     power_ten );

    void
    (*to_token)( PS_Parser  parser,
                 T1_Token   token );
    void
    (*to_token_array)( PS_Parser  parser,
                       T1_Token   tokens,
                       FT_UInt    max_tokens,
                       FT_Int*    pnum_tokens );

    FT_Error
    (*load_field)( PS_Parser       parser,
                   const T1_Field  field,
                   void**          objects,
                   FT_UInt         max_objects,
                   FT_ULong*       pflags );

    FT_Error
    (*load_field_table)( PS_Parser       parser,
                         const T1_Field  field,
                         void**          objects,
                         FT_UInt         max_objects,
                         FT_ULong*       pflags );

  } PS_Parser_FuncsRec;


  /*************************************************************************/
  /*                                                                       */
  /* <Struct>                                                              */
  /*    PS_ParserRec                                                       */
  /*                                                                       */
  /* <Description>                                                         */
  /*    A PS_Parser is an object used to parse a Type 1 font very quickly. */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    cursor :: The current position in the text.                        */
  /*                                                                       */
  /*    base   :: Start of the processed text.                             */
  /*                                                                       */
  /*    limit  :: End of the processed text.                               */
  /*                                                                       */
  /*    error  :: The last error returned.                                 */
  /*                                                                       */
  /*    memory :: The object used for memory operations (alloc/realloc).   */
  /*                                                                       */
  /*    funcs  :: A table of functions for the parser.                     */
  /*                                                                       */
  typedef struct  PS_ParserRec_
  {
    FT_Byte*   cursor;
    FT_Byte*   base;
    FT_Byte*   limit;
    FT_Error   error;
    FT_Memory  memory;

    PS_Parser_FuncsRec  funcs;

  } PS_ParserRec;


  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                         T1 BUILDER                            *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/


  typedef struct T1_BuilderRec_*  T1_Builder;


  typedef FT_Error
  (*T1_Builder_Check_Points_Func)( T1_Builder  builder,
                                   FT_Int      count );

  typedef void
  (*T1_Builder_Add_Point_Func)( T1_Builder  builder,
                                FT_Pos      x,
                                FT_Pos      y,
                                FT_Byte     flag );

  typedef FT_Error
  (*T1_Builder_Add_Point1_Func)( T1_Builder  builder,
                                 FT_Pos      x,
                                 FT_Pos      y );

  typedef FT_Error
  (*T1_Builder_Add_Contour_Func)( T1_Builder  builder );

  typedef FT_Error
  (*T1_Builder_Start_Point_Func)( T1_Builder  builder,
                                  FT_Pos      x,
                                  FT_Pos      y );

  typedef void
  (*T1_Builder_Close_Contour_Func)( T1_Builder  builder );


  typedef const struct T1_Builder_FuncsRec_*  T1_Builder_Funcs;

  typedef struct  T1_Builder_FuncsRec_
  {
    void
    (*init)( T1_Builder    builder,
             FT_Face       face,
             FT_Size       size,
             FT_GlyphSlot  slot,
             FT_Bool       hinting );

    void
    (*done)( T1_Builder   builder );

    T1_Builder_Check_Points_Func   check_points;
    T1_Builder_Add_Point_Func      add_point;
    T1_Builder_Add_Point1_Func     add_point1;
    T1_Builder_Add_Contour_Func    add_contour;
    T1_Builder_Start_Point_Func    start_point;
    T1_Builder_Close_Contour_Func  close_contour;

  } T1_Builder_FuncsRec;


  /* an enumeration type to handle charstring parsing states */
  typedef enum  T1_ParseState_
  {
    T1_Parse_Start,
    T1_Parse_Have_Width,
    T1_Parse_Have_Moveto,
    T1_Parse_Have_Path

  } T1_ParseState;


  /*************************************************************************/
  /*                                                                       */
  /* <Structure>                                                           */
  /*    T1_BuilderRec                                                      */
  /*                                                                       */
  /* <Description>                                                         */
  /*     A structure used during glyph loading to store its outline.       */
  /*                                                                       */
  /* <Fields>                                                              */
  /*    memory       :: The current memory object.                         */
  /*                                                                       */
  /*    face         :: The current face object.                           */
  /*                                                                       */
  /*    glyph        :: The current glyph slot.                            */
  /*                                                                       */
  /*    loader       :: XXX                                                */
  /*                                                                       */
  /*    base         :: The base glyph outline.                            */
  /*                                                                       */
  /*    current      :: The current glyph outline.                         */
  /*                                                                       */
  /*    max_points   :: maximum points in builder outline                  */
  /*                                                                       */
  /*    max_contours :: Maximal number of contours in builder outline.     */
  /*                                                                       */
  /*    last         :: The last point position.                           */
  /*                                                                       */
  /*    pos_x        :: The horizontal translation (if composite glyph).   */
  /*                                                                       */
  /*    pos_y        :: The vertical translation (if composite glyph).     */
  /*                                                                       */
  /*    left_bearing :: The left side bearing point.                       */
  /*                                                                       */
  /*    advance      :: The horizontal advance vector.                     */
  /*                                                                       */
  /*    bbox         :: Unused.                                            */
  /*                                                                       */
  /*    parse_state  :: An enumeration which controls the charstring       */
  /*                    parsing state.                                     */
  /*                                                                       */
  /*    load_points  :: If this flag is not set, no points are loaded.     */
  /*                                                                       */
  /*    no_recurse   :: Set but not used.                                  */
  /*                                                                       */
  /*    metrics_only :: A boolean indicating that we only want to compute  */
  /*                    the metrics of a given glyph, not load all of its  */
  /*                    points.                                            */
  /*                                                                       */
  /*    funcs        :: An array of function pointers for the builder.     */
  /*                                                                       */
  typedef struct  T1_BuilderRec_
  {
    FT_Memory       memory;
    FT_Face         face;
    FT_GlyphSlot    glyph;
    FT_GlyphLoader  loader;
    FT_Outline*     base;
    FT_Outline*     current;

    FT_Vector       last;

    FT_Pos          pos_x;
    FT_Pos          pos_y;

    FT_Vector       left_bearing;
    FT_Vector       advance;

    FT_BBox         bbox;          /* bounding box */
    T1_ParseState   parse_state;
    FT_Bool         load_points;
    FT_Bool         no_recurse;
    FT_Bool         shift;

    FT_Bool         metrics_only;