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ftgxval.c

/***************************************************************************/
/*                                                                         */
/*  ftgxval.c                                                              */
/*                                                                         */
/*    FreeType API for validating TrueTyepGX/AAT tables (body).            */
/*                                                                         */
/*  Copyright 2004, 2005 by                                                */
/*  Masatake YAMATO, Redhat K.K,                                           */
/*  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.                                        */
/*                                                                         */
/***************************************************************************/

/***************************************************************************/
/*                                                                         */
/* gxvalid is derived from both gxlayout module and otvalid module.        */
/* Development of gxlayout is supported by the Information-technology      */
/* Promotion Agency(IPA), Japan.                                           */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include FT_SERVICE_GX_VALIDATE_H


  /* documentation is in ftgxval.h */

  FT_EXPORT_DEF( FT_Error )
  FT_TrueTypeGX_Validate( FT_Face   face,
                          FT_UInt   validation_flags,
                          FT_Bytes  tables[FT_VALIDATE_GX_LENGTH],
                          FT_UInt   table_length )
  {
    FT_Service_GXvalidate  service;
    FT_Error               error;


    if ( !face )
    {
      error = FT_Err_Invalid_Face_Handle;
      goto Exit;
    }

    if ( tables == NULL )
    {
      error = FT_Err_Invalid_Argument;
      goto Exit;
    }

    FT_FACE_FIND_GLOBAL_SERVICE( face, service, GX_VALIDATE );

    if ( service )
      error = service->validate( face,
                                 validation_flags,
                                 tables,
                                 table_length );
    else
      error = FT_Err_Invalid_Argument;

  Exit:
    return error;
  }


  FT_EXPORT_DEF( void )
  FT_TrueTypeGX_Free( FT_Face   face,
                      FT_Bytes  table )
  {
    FT_Memory  memory = FT_FACE_MEMORY( face );


    FT_FREE( table );
  }


  FT_EXPORT_DEF( FT_Error )
  FT_ClassicKern_Validate( FT_Face    face,
                           FT_UInt    validation_flags,
                           FT_Bytes  *ckern_table )
  {
    FT_Service_CKERNvalidate  service;
    FT_Error                  error;


    if ( !face )
    {
      error = FT_Err_Invalid_Face_Handle;
      goto Exit;
    }

    if ( ckern_table == NULL )
    {
      error = FT_Err_Invalid_Argument;
      goto Exit;
    }

    FT_FACE_FIND_GLOBAL_SERVICE( face, service, CLASSICKERN_VALIDATE );

    if ( service )
      error = service->validate( face,
                                 validation_flags,
                                 ckern_table );
    else
      error = FT_Err_Invalid_Argument;

  Exit:
    return error;
  }


  FT_EXPORT_DEF( void )
  FT_ClassicKern_Free( FT_Face   face,
                       FT_Bytes  table )
  {
    FT_Memory  memory = FT_FACE_MEMORY( face );


    FT_FREE( table );
  }


/* END */

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