Added a new function: AddNewEvent, which only adds an event to the list if it doesn't already exist. Kept the old one as it might me useful to be able to add an event more than once.
/***************************************************************************/
/* */
/* gxvmorx0.c */
/* */
/* TrueTypeGX/AAT morx table validation */
/* body for type0 (Indic Script Rearrangement) subtable. */
/* */
/* Copyright 2005 by suzuki toshiya, Masatake YAMATO, Red Hat 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 "gxvmorx.h"
/*************************************************************************/
/* */
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
/* messages during execution. */
/* */
#undef FT_COMPONENT
#define FT_COMPONENT trace_gxvmorx
static void
gxv_morx_subtable_type0_entry_validate(
FT_UShort state,
FT_UShort flags,
GXV_XStateTable_GlyphOffsetCPtr glyphOffset_p,
FT_Bytes table,
FT_Bytes limit,
GXV_Validator valid )
{
FT_UShort markFirst;
FT_UShort dontAdvance;
FT_UShort markLast;
FT_UShort reserved;
FT_UShort verb;
FT_UNUSED( state );
FT_UNUSED( glyphOffset_p );
FT_UNUSED( table );
FT_UNUSED( limit );
markFirst = (FT_UShort)( ( flags >> 15 ) & 1 );
dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
markLast = (FT_UShort)( ( flags >> 13 ) & 1 );
reserved = (FT_UShort)( flags & 0x1FF0 );
verb = (FT_UShort)( flags & 0x000F );
if ( 0 < reserved )
{
GXV_TRACE(( " non-zero bits found in reserved range\n" ));
FT_INVALID_DATA;
}
}
FT_LOCAL_DEF( void )
gxv_morx_subtable_type0_validate( FT_Bytes table,
FT_Bytes limit,
GXV_Validator valid )
{
FT_Bytes p = table;
GXV_NAME_ENTER(
"morx chain subtable type0 (Indic-Script Rearrangement)" );
GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
valid->xstatetable.optdata = NULL;
valid->xstatetable.optdata_load_func = NULL;
valid->xstatetable.subtable_setup_func = NULL;
valid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
valid->xstatetable.entry_validate_func =
gxv_morx_subtable_type0_entry_validate;
gxv_XStateTable_validate( p, limit, valid );
GXV_EXIT;
}
/* END */