1 /***************************************************************************/
5 /* TrueTypeGX/AAT morx table validation */
6 /* body for type0 (Indic Script Rearrangement) subtable. */
8 /* Copyright 2005 by suzuki toshiya, Masatake YAMATO, Red Hat K.K., */
9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
11 /* This file is part of the FreeType project, and may only be used, */
12 /* modified, and distributed under the terms of the FreeType project */
13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
14 /* this file you indicate that you have read the license and */
15 /* understand and accept it fully. */
17 /***************************************************************************/
19 /***************************************************************************/
21 /* gxvalid is derived from both gxlayout module and otvalid module. */
22 /* Development of gxlayout is supported by the Information-technology */
23 /* Promotion Agency(IPA), Japan. */
25 /***************************************************************************/
31 /*************************************************************************/
33 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
34 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
35 /* messages during execution. */
38 #define FT_COMPONENT trace_gxvmorx
42 gxv_morx_subtable_type0_entry_validate(
45 GXV_XStateTable_GlyphOffsetCPtr glyphOffset_p,
50 #ifdef GXV_LOAD_UNUSED_VARS
52 FT_UShort dontAdvance;
56 #ifdef GXV_LOAD_UNUSED_VARS
61 FT_UNUSED( glyphOffset_p );
66 #ifdef GXV_LOAD_UNUSED_VARS
67 markFirst = (FT_UShort)( ( flags >> 15 ) & 1 );
68 dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
69 markLast = (FT_UShort)( ( flags >> 13 ) & 1 );
72 reserved = (FT_UShort)( flags & 0x1FF0 );
73 #ifdef GXV_LOAD_UNUSED_VARS
74 verb = (FT_UShort)( flags & 0x000F );
79 GXV_TRACE(( " non-zero bits found in reserved range\n" ));
86 gxv_morx_subtable_type0_validate( FT_Bytes table,
94 "morx chain subtable type0 (Indic-Script Rearrangement)" );
96 GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
98 valid->xstatetable.optdata = NULL;
99 valid->xstatetable.optdata_load_func = NULL;
100 valid->xstatetable.subtable_setup_func = NULL;
101 valid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
102 valid->xstatetable.entry_validate_func =
103 gxv_morx_subtable_type0_entry_validate;
105 gxv_XStateTable_validate( p, limit, valid );