freetype2/src/type1/t1load.h

/****************************************************************************
 *
 * t1load.h
 *
 *   Type 1 font loader (specification).
 *
 * Copyright (C) 1996-2022 by
 * David Turner, Robert Wilhelm, and Werner Lemberg.
 *
 * This file is part of the FreeType project, and may only be used,
 * modified, and distributed under the terms of the FreeType project
 * license, LICENSE.TXT.  By continuing to use, modify, or distribute
 * this file you indicate that you have read the license and
 * understand and accept it fully.
 *
 */


#ifndef T1LOAD_H_
#define T1LOAD_H_


#include <freetype/internal/ftstream.h>
#include <freetype/internal/psaux.h>
#include <freetype/ftmm.h>

#include "t1parse.h"


FT_BEGIN_HEADER


  typedef struct  T1_Loader_
  {
    T1_ParserRec  parser;          /* parser used to read the stream */

    FT_Int        num_chars;       /* number of characters in encoding */
    PS_TableRec   encoding_table;  /* PS_Table used to store the       */
                                   /* encoding character names         */

    FT_Int        num_glyphs;
    PS_TableRec   glyph_names;
    PS_TableRec   charstrings;
    PS_TableRec   swap_table;      /* For moving .notdef glyph to index 0. */

    FT_Int        num_subrs;
    PS_TableRec   subrs;
    FT_Hash       subrs_hash;
    FT_Bool       fontdata;

    FT_UInt       keywords_encountered; /* T1_LOADER_ENCOUNTERED_XXX */

  } T1_LoaderRec, *T1_Loader;


  /* treatment of some keywords differs depending on whether */
  /* they precede or follow certain other keywords           */

#define T1_PRIVATE                ( 1 << 0 )
#define T1_FONTDIR_AFTER_PRIVATE  ( 1 << 1 )


  FT_LOCAL( FT_Error )
  T1_Open_Face( T1_Face  face );

#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT

  FT_LOCAL( FT_Error )
  T1_Get_Multi_Master( T1_Face           face,
                       FT_Multi_Master*  master );

  FT_LOCAL( FT_Error )
  T1_Get_MM_Var( T1_Face      face,
                 FT_MM_Var*  *master );

  FT_LOCAL( FT_Error )
  T1_Set_MM_Blend( T1_Face    face,
                   FT_UInt    num_coords,
                   FT_Fixed*  coords );

  FT_LOCAL( FT_Error )
  T1_Get_MM_Blend( T1_Face    face,
                   FT_UInt    num_coords,
                   FT_Fixed*  coords );

  FT_LOCAL( FT_Error )
  T1_Set_MM_Design( T1_Face   face,
                    FT_UInt   num_coords,
                    FT_Long*  coords );

  FT_LOCAL( FT_Error )
  T1_Reset_MM_Blend( T1_Face  face,
                     FT_UInt  instance_index );

  FT_LOCAL( FT_Error )
  T1_Get_Var_Design( T1_Face    face,
                     FT_UInt    num_coords,
                     FT_Fixed*  coords );

  FT_LOCAL( FT_Error )
  T1_Set_Var_Design( T1_Face    face,
                     FT_UInt    num_coords,
                     FT_Fixed*  coords );

  FT_LOCAL( void )
  T1_Done_Blend( T1_Face  face );

  FT_LOCAL( FT_Error )
  T1_Set_MM_WeightVector( T1_Face    face,
                          FT_UInt    len,
                          FT_Fixed*  weightvector );

  FT_LOCAL( FT_Error )
  T1_Get_MM_WeightVector( T1_Face    face,
                          FT_UInt*   len,
                          FT_Fixed*  weightvector );

#endif /* !T1_CONFIG_OPTION_NO_MM_SUPPORT */


FT_END_HEADER

#endif /* T1LOAD_H_ */


/* END */