tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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ftotval.c (2216B)


      1 /****************************************************************************
      2 *
      3 * ftotval.c
      4 *
      5 *   FreeType API for validating OpenType tables (body).
      6 *
      7 * Copyright (C) 2004-2025 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 <freetype/internal/ftdebug.h>
     19 
     20 #include <freetype/internal/ftobjs.h>
     21 #include <freetype/internal/services/svotval.h>
     22 #include <freetype/ftotval.h>
     23 
     24 
     25  /* documentation is in ftotval.h */
     26 
     27  FT_EXPORT_DEF( FT_Error )
     28  FT_OpenType_Validate( FT_Face    face,
     29                        FT_UInt    validation_flags,
     30                        FT_Bytes  *BASE_table,
     31                        FT_Bytes  *GDEF_table,
     32                        FT_Bytes  *GPOS_table,
     33                        FT_Bytes  *GSUB_table,
     34                        FT_Bytes  *JSTF_table )
     35  {
     36    FT_Service_OTvalidate  service;
     37    FT_Error               error;
     38 
     39 
     40    if ( !face )
     41    {
     42      error = FT_THROW( Invalid_Face_Handle );
     43      goto Exit;
     44    }
     45 
     46    if ( !( BASE_table &&
     47            GDEF_table &&
     48            GPOS_table &&
     49            GSUB_table &&
     50            JSTF_table ) )
     51    {
     52      error = FT_THROW( Invalid_Argument );
     53      goto Exit;
     54    }
     55 
     56    FT_FACE_FIND_GLOBAL_SERVICE( face, service, OPENTYPE_VALIDATE );
     57 
     58    if ( service )
     59      error = service->validate( face,
     60                                 validation_flags,
     61                                 BASE_table,
     62                                 GDEF_table,
     63                                 GPOS_table,
     64                                 GSUB_table,
     65                                 JSTF_table );
     66    else
     67      error = FT_THROW( Unimplemented_Feature );
     68 
     69  Exit:
     70    return error;
     71  }
     72 
     73 
     74  FT_EXPORT_DEF( void )
     75  FT_OpenType_Free( FT_Face   face,
     76                    FT_Bytes  table )
     77  {
     78    FT_Memory  memory;
     79 
     80 
     81    if ( !face )
     82      return;
     83 
     84    memory = FT_FACE_MEMORY( face );
     85 
     86    FT_FREE( table );
     87  }
     88 
     89 
     90 /* END */