ftotval.c

来自「qt-x11-opensource-src-4.1.4.tar.gz源码」· C语言 代码 · 共 73 行

/***************************************************************************/
/*                                                                         */
/*  ftotval.c                                                              */
/*                                                                         */
/*    FreeType API for validating OpenType tables (body).                  */
/*                                                                         */
/*  Copyright 2004 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 FT_INTERNAL_OBJECTS_H
#include FT_SERVICE_OPENTYPE_VALIDATE_H


  /* documentation is in ftotval.h */

  FT_EXPORT_DEF( FT_Error )
  FT_OpenType_Validate( FT_Face    face,
                        FT_UInt    validation_flags,
                        FT_Bytes  *BASE_table,
                        FT_Bytes  *GDEF_table,
                        FT_Bytes  *GPOS_table,
                        FT_Bytes  *GSUB_table,
                        FT_Bytes  *JSTF_table )
  {
    FT_Service_OTvalidate  service;
    FT_Error               error;


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

    if ( !( BASE_table &&
            GDEF_table &&
            GPOS_table &&
            GSUB_table &&
            JSTF_table ) )
    {
      error = FT_Err_Invalid_Argument;
      goto Exit;
    }

    FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE );

    if ( service )
      error = service->validate( face,
                                 validation_flags,
                                 BASE_table,
                                 GDEF_table,
                                 GPOS_table,
                                 GSUB_table,
                                 JSTF_table );
    else
      error = FT_Err_Invalid_Argument;

  Exit:
    return error;
  }


/* END */