ref: 38b349c41b2456d533cf60fb966a32d1a665dc8f
dir: /src/base/ftgxval.c/
/****************************************************************************
*
* ftgxval.c
*
* FreeType API for validating TrueTypeGX/AAT tables (body).
*
* Copyright (C) 2004-2021 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 <freetype/internal/ftdebug.h>
#include <freetype/internal/ftobjs.h>
#include <freetype/internal/services/svgxval.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_THROW( Invalid_Face_Handle );
goto Exit;
}
if ( !tables )
{
error = FT_THROW( 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_THROW( Unimplemented_Feature );
Exit:
return error;
}
FT_EXPORT_DEF( void )
FT_TrueTypeGX_Free( FT_Face face,
FT_Bytes table )
{
FT_Memory memory;
if ( !face )
return;
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_THROW( Invalid_Face_Handle );
goto Exit;
}
if ( !ckern_table )
{
error = FT_THROW( 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_THROW( Unimplemented_Feature );
Exit:
return error;
}
FT_EXPORT_DEF( void )
FT_ClassicKern_Free( FT_Face face,
FT_Bytes table )
{
FT_Memory memory;
if ( !face )
return;
memory = FT_FACE_MEMORY( face );
FT_FREE( table );
}
/* END */