godot/thirdparty/freetype/src/type1/t1parse.c

/****************************************************************************
 *
 * t1parse.c
 *
 *   Type 1 parser (body).
 *
 * Copyright (C) 1996-2023 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.
 *
 */


  /**************************************************************************
   *
   * The Type 1 parser is in charge of the following:
   *
   * - provide an implementation of a growing sequence of objects called
   *   a `T1_Table' (used to build various tables needed by the loader).
   *
   * - opening .pfb and .pfa files to extract their top-level and private
   *   dictionaries.
   *
   * - read numbers, arrays & strings from any dictionary.
   *
   * See `t1load.c' to see how data is loaded from the font file.
   *
   */


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

#include "t1parse.h"

#include "t1errors.h"


  /**************************************************************************
   *
   * The macro FT_COMPONENT is used in trace mode.  It is an implicit
   * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
   * messages during execution.
   */
#undef  FT_COMPONENT
#define FT_COMPONENT …


  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/
  /*****                                                               *****/
  /*****                   INPUT STREAM PARSER                         *****/
  /*****                                                               *****/
  /*************************************************************************/
  /*************************************************************************/
  /*************************************************************************/


  /* see Adobe Technical Note 5040.Download_Fonts.pdf */

  static FT_Error
  read_pfb_tag( FT_Stream   stream,
                FT_UShort  *atag,
                FT_ULong   *asize )
  { … }


  static FT_Error
  check_type1_format( FT_Stream    stream,
                      const char*  header_string,
                      size_t       header_length )
  { … }


  FT_LOCAL_DEF( FT_Error )
  T1_New_Parser( T1_Parser      parser,
                 FT_Stream      stream,
                 FT_Memory      memory,
                 PSAux_Service  psaux )
  { … }


  FT_LOCAL_DEF( void )
  T1_Finalize_Parser( T1_Parser  parser )
  { … }


  FT_LOCAL_DEF( FT_Error )
  T1_Get_Private_Dict( T1_Parser      parser,
                       PSAux_Service  psaux )
  { … }


/* END */