| Index: third_party/freetype2/src/src/gxvalid/gxvmorx0.c
|
| diff --git a/third_party/freetype2/src/src/gxvalid/gxvmorx0.c b/third_party/freetype2/src/src/gxvalid/gxvmorx0.c
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..e340baa5e444a8ebcea983810b3cf4b96cca5e5f
|
| --- /dev/null
|
| +++ b/third_party/freetype2/src/src/gxvalid/gxvmorx0.c
|
| @@ -0,0 +1,112 @@
|
| +/***************************************************************************/
|
| +/* */
|
| +/* gxvmorx0.c */
|
| +/* */
|
| +/* TrueTypeGX/AAT morx table validation */
|
| +/* body for type0 (Indic Script Rearrangement) subtable. */
|
| +/* */
|
| +/* Copyright 2005-2015 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 gxvalid )
|
| + {
|
| +#ifdef GXV_LOAD_UNUSED_VARS
|
| + FT_UShort markFirst;
|
| + FT_UShort dontAdvance;
|
| + FT_UShort markLast;
|
| +#endif
|
| + FT_UShort reserved;
|
| +#ifdef GXV_LOAD_UNUSED_VARS
|
| + FT_UShort verb;
|
| +#endif
|
| +
|
| + FT_UNUSED( state );
|
| + FT_UNUSED( glyphOffset_p );
|
| + FT_UNUSED( table );
|
| + FT_UNUSED( limit );
|
| +
|
| +
|
| +#ifdef GXV_LOAD_UNUSED_VARS
|
| + markFirst = (FT_UShort)( ( flags >> 15 ) & 1 );
|
| + dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
|
| + markLast = (FT_UShort)( ( flags >> 13 ) & 1 );
|
| +#endif
|
| +
|
| + reserved = (FT_UShort)( flags & 0x1FF0 );
|
| +#ifdef GXV_LOAD_UNUSED_VARS
|
| + verb = (FT_UShort)( flags & 0x000F );
|
| +#endif
|
| +
|
| + 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 gxvalid )
|
| + {
|
| + FT_Bytes p = table;
|
| +
|
| +
|
| + GXV_NAME_ENTER(
|
| + "morx chain subtable type0 (Indic-Script Rearrangement)" );
|
| +
|
| + GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
|
| +
|
| + gxvalid->xstatetable.optdata = NULL;
|
| + gxvalid->xstatetable.optdata_load_func = NULL;
|
| + gxvalid->xstatetable.subtable_setup_func = NULL;
|
| + gxvalid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
|
| + gxvalid->xstatetable.entry_validate_func =
|
| + gxv_morx_subtable_type0_entry_validate;
|
| +
|
| + gxv_XStateTable_validate( p, limit, gxvalid );
|
| +
|
| + GXV_EXIT;
|
| + }
|
| +
|
| +
|
| +/* END */
|
|
|