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      1 /***************************************************************************/
      2 /*                                                                         */
      3 /*  ftotval.c                                                              */
      4 /*                                                                         */
      5 /*    FreeType API for validating OpenType tables (body).                  */
      6 /*                                                                         */
      7 /*  Copyright 2004-2018 by                                                 */
      8 /*  David Turner, Robert Wilhelm, and Werner Lemberg.                      */
      9 /*                                                                         */
     10 /*  This file is part of the FreeType project, and may only be used,       */
     11 /*  modified, and distributed under the terms of the FreeType project      */
     12 /*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
     13 /*  this file you indicate that you have read the license and              */
     14 /*  understand and accept it fully.                                        */
     15 /*                                                                         */
     16 /***************************************************************************/
     17 
     18 #include <ft2build.h>
     19 #include FT_INTERNAL_DEBUG_H
     20 
     21 #include FT_INTERNAL_OBJECTS_H
     22 #include FT_SERVICE_OPENTYPE_VALIDATE_H
     23 #include FT_OPENTYPE_VALIDATE_H
     24 
     25 
     26   /* documentation is in ftotval.h */
     27 
     28   FT_EXPORT_DEF( FT_Error )
     29   FT_OpenType_Validate( FT_Face    face,
     30                         FT_UInt    validation_flags,
     31                         FT_Bytes  *BASE_table,
     32                         FT_Bytes  *GDEF_table,
     33                         FT_Bytes  *GPOS_table,
     34                         FT_Bytes  *GSUB_table,
     35                         FT_Bytes  *JSTF_table )
     36   {
     37     FT_Service_OTvalidate  service;
     38     FT_Error               error;
     39 
     40 
     41     if ( !face )
     42     {
     43       error = FT_THROW( Invalid_Face_Handle );
     44       goto Exit;
     45     }
     46 
     47     if ( !( BASE_table &&
     48             GDEF_table &&
     49             GPOS_table &&
     50             GSUB_table &&
     51             JSTF_table ) )
     52     {
     53       error = FT_THROW( Invalid_Argument );
     54       goto Exit;
     55     }
     56 
     57     FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE );
     58 
     59     if ( service )
     60       error = service->validate( face,
     61                                  validation_flags,
     62                                  BASE_table,
     63                                  GDEF_table,
     64                                  GPOS_table,
     65                                  GSUB_table,
     66                                  JSTF_table );
     67     else
     68       error = FT_THROW( Unimplemented_Feature );
     69 
     70   Exit:
     71     return error;
     72   }
     73 
     74 
     75   FT_EXPORT_DEF( void )
     76   FT_OpenType_Free( FT_Face   face,
     77                     FT_Bytes  table )
     78   {
     79     FT_Memory  memory;
     80 
     81 
     82     if ( !face )
     83       return;
     84 
     85     memory = FT_FACE_MEMORY( face );
     86 
     87     FT_FREE( table );
     88   }
     89 
     90 
     91 /* END */
     92