diff -r f3840de881bd -r 915436ff64ab misc/libfreetype/src/gxvalid/gxvmort0.c --- a/misc/libfreetype/src/gxvalid/gxvmort0.c Thu Jul 25 23:16:06 2013 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,137 +0,0 @@ -/***************************************************************************/ -/* */ -/* gxvmort0.c */ -/* */ -/* TrueTypeGX/AAT mort 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 "gxvmort.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_gxvmort - - - static const char* GXV_Mort_IndicScript_Msg[] = - { - "no change", - "Ax => xA", - "xD => Dx", - "AxD => DxA", - "ABx => xAB", - "ABx => xBA", - "xCD => CDx", - "xCD => DCx", - "AxCD => CDxA", - "AxCD => DCxA", - "ABxD => DxAB", - "ABxD => DxBA", - "ABxCD => CDxAB", - "ABxCD => CDxBA", - "ABxCD => DCxAB", - "ABxCD => DCxBA", - - }; - - - static void - gxv_mort_subtable_type0_entry_validate( - FT_Byte state, - FT_UShort flags, - GXV_StateTable_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 = 0; - - FT_UNUSED( state ); - FT_UNUSED( table ); - FT_UNUSED( limit ); - - FT_UNUSED( GXV_Mort_IndicScript_Msg[verb] ); /* for the non-debugging */ - FT_UNUSED( glyphOffset_p ); /* case */ - - - 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 ); - - GXV_TRACE(( " IndicScript MorphRule for glyphOffset 0x%04x", - glyphOffset_p->u )); - GXV_TRACE(( " markFirst=%01d", markFirst )); - GXV_TRACE(( " dontAdvance=%01d", dontAdvance )); - GXV_TRACE(( " markLast=%01d", markLast )); - GXV_TRACE(( " %02d", verb )); - GXV_TRACE(( " %s\n", GXV_Mort_IndicScript_Msg[verb] )); - - if ( 0 < reserved ) - { - GXV_TRACE(( " non-zero bits found in reserved range\n" )); - FT_INVALID_DATA; - } - else - GXV_TRACE(( "\n" )); - } - - - FT_LOCAL_DEF( void ) - gxv_mort_subtable_type0_validate( FT_Bytes table, - FT_Bytes limit, - GXV_Validator valid ) - { - FT_Bytes p = table; - - - GXV_NAME_ENTER( - "mort chain subtable type0 (Indic-Script Rearrangement)" ); - - GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE ); - - valid->statetable.optdata = NULL; - valid->statetable.optdata_load_func = NULL; - valid->statetable.subtable_setup_func = NULL; - valid->statetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE; - valid->statetable.entry_validate_func = - gxv_mort_subtable_type0_entry_validate; - - gxv_StateTable_validate( p, limit, valid ); - - GXV_EXIT; - } - - -/* END */