path: root/tests/freetype/src/sfnt/sfobjs.c

/***************************************************************************/
/*                                                                         */
/*  sfobjs.c                                                               */
/*                                                                         */
/*    SFNT object management (base).                                       */
/*                                                                         */
/*  Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2010 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.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include "sfobjs.h"
#include "ttload.h"
#include "ttcmap.h"
#include "ttkern.h"
#include FT_INTERNAL_SFNT_H
#include FT_INTERNAL_DEBUG_H
#include FT_TRUETYPE_IDS_H
#include FT_TRUETYPE_TAGS_H
#include FT_SERVICE_POSTSCRIPT_CMAPS_H
#include FT_SFNT_NAMES_H
#include "sferrors.h"

#ifdef TT_CONFIG_OPTION_BDF
#include "ttbdf.h"
#endif


  /*************************************************************************/
  /*                                                                       */
  /* 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  trace_sfobjs



  /* convert a UTF-16 name entry to ASCII */
  static FT_String*
  tt_name_entry_ascii_from_utf16( TT_NameEntry  entry,
                                  FT_Memory     memory )
  {
    FT_String*  string = NULL;
    FT_UInt     len, code, n;
    FT_Byte*    read   = (FT_Byte*)entry->string;
    FT_Error    error;


    len = (FT_UInt)entry->stringLength / 2;

    if ( FT_NEW_ARRAY( string, len + 1 ) )
      return NULL;

    for ( n = 0; n < len; n++ )
    {
      code = FT_NEXT_USHORT( read );
      if ( code < 32 || code > 127 )
        code = '?';

      string[n] = (char)code;
    }

    string[len] = 0;

    return string;
  }


  /* convert an Apple Roman or symbol name entry to ASCII */
  static FT_String*
  tt_name_entry_ascii_from_other( TT_NameEntry  entry,
                                  FT_Memory     memory )
  {
    FT_String*  string = NULL;
    FT_UInt     len, code, n;
    FT_Byte*    read   = (FT_Byte*)entry->string;
    FT_Error    error;


    len = (FT_UInt)entry->stringLength;

    if ( FT_NEW_ARRAY( string, len + 1 ) )
      return NULL;

    for ( n = 0; n < len; n++ )
    {
      code = *read++;
      if ( code < 32 || code > 127 )
        code = '?';

      string[n] = (char)code;
    }

    string[len] = 0;

    return string;
  }


  typedef FT_String*  (*TT_NameEntry_ConvertFunc)( TT_NameEntry  entry,
                                                   FT_Memory     memory );


  /*************************************************************************/
  /*                                                                       */
  /* <Function>                                                            */
  /*    tt_face_get_name                                                   */
  /*                                                                       */
  /* <Description>                                                         */
  /*    Returns a given ENGLISH name record in ASCII.                      */
  /*                                                                       */
  /* <Input>                                                               */
  /*    face   :: A handle to the source face object.                      */
  /*                                                                       */
  /*    nameid :: The name id of the name record to return.                */
  /*                                                                       */
  /* <InOut>                                                               */
  /*    name   :: The address of a string pointer.  NULL if no name is     */
  /*              present.                                                 */
  /*                                                                       */
  /* <Return>                                                              */
  /*    FreeType error code.  0 means success.                             */
  /*                                                                       */
  static FT_Error
  tt_face_get_name( TT_Face      face,
                    FT_UShort    nameid,
                    FT_String**  name )
  {
    FT_Memory         memory = face->root.memory;