diff -r a501f5ec7b34 -r 0f5961910e27 misc/libfreetype/src/gxvalid/gxvmort5.c --- a/misc/libfreetype/src/gxvalid/gxvmort5.c Tue Jul 16 11:14:27 2013 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,226 +0,0 @@ -/***************************************************************************/ -/* */ -/* gxvmort5.c */ -/* */ -/* TrueTypeGX/AAT mort table validation */ -/* body for type5 (Contextual Glyph Insertion) 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 - - - /* - * mort subtable type5 (Contextual Glyph Insertion) - * has the format of StateTable with insertion-glyph-list, - * but without name. The offset is given by glyphOffset in - * entryTable. There is no table location declaration - * like xxxTable. - */ - - typedef struct GXV_mort_subtable_type5_StateOptRec_ - { - FT_UShort classTable; - FT_UShort stateArray; - FT_UShort entryTable; - -#define GXV_MORT_SUBTABLE_TYPE5_HEADER_SIZE GXV_STATETABLE_HEADER_SIZE - - FT_UShort* classTable_length_p; - FT_UShort* stateArray_length_p; - FT_UShort* entryTable_length_p; - - } GXV_mort_subtable_type5_StateOptRec, - *GXV_mort_subtable_type5_StateOptRecData; - - - FT_LOCAL_DEF( void ) - gxv_mort_subtable_type5_subtable_setup( FT_UShort table_size, - FT_UShort classTable, - FT_UShort stateArray, - FT_UShort entryTable, - FT_UShort* classTable_length_p, - FT_UShort* stateArray_length_p, - FT_UShort* entryTable_length_p, - GXV_Validator valid ) - { - GXV_mort_subtable_type5_StateOptRecData optdata = - (GXV_mort_subtable_type5_StateOptRecData)valid->statetable.optdata; - - - gxv_StateTable_subtable_setup( table_size, - classTable, - stateArray, - entryTable, - classTable_length_p, - stateArray_length_p, - entryTable_length_p, - valid ); - - optdata->classTable = classTable; - optdata->stateArray = stateArray; - optdata->entryTable = entryTable; - - optdata->classTable_length_p = classTable_length_p; - optdata->stateArray_length_p = stateArray_length_p; - optdata->entryTable_length_p = entryTable_length_p; - } - - - static void - gxv_mort_subtable_type5_InsertList_validate( FT_UShort offset, - FT_UShort count, - FT_Bytes table, - FT_Bytes limit, - GXV_Validator valid ) - { - /* - * We don't know the range of insertion-glyph-list. - * Set range by whole of state table. - */ - FT_Bytes p = table + offset; - - GXV_mort_subtable_type5_StateOptRecData optdata = - (GXV_mort_subtable_type5_StateOptRecData)valid->statetable.optdata; - - if ( optdata->classTable < offset && - offset < optdata->classTable + *(optdata->classTable_length_p) ) - GXV_TRACE(( " offset runs into ClassTable" )); - if ( optdata->stateArray < offset && - offset < optdata->stateArray + *(optdata->stateArray_length_p) ) - GXV_TRACE(( " offset runs into StateArray" )); - if ( optdata->entryTable < offset && - offset < optdata->entryTable + *(optdata->entryTable_length_p) ) - GXV_TRACE(( " offset runs into EntryTable" )); - - while ( p < table + offset + ( count * 2 ) ) - { - FT_UShort insert_glyphID; - - - GXV_LIMIT_CHECK( 2 ); - insert_glyphID = FT_NEXT_USHORT( p ); - GXV_TRACE(( " 0x%04x", insert_glyphID )); - } - - GXV_TRACE(( "\n" )); - } - - - static void - gxv_mort_subtable_type5_entry_validate( - FT_Byte state, - FT_UShort flags, - GXV_StateTable_GlyphOffsetCPtr glyphOffset, - FT_Bytes table, - FT_Bytes limit, - GXV_Validator valid ) - { - FT_Bool setMark; - FT_Bool dontAdvance; - FT_Bool currentIsKashidaLike; - FT_Bool markedIsKashidaLike; - FT_Bool currentInsertBefore; - FT_Bool markedInsertBefore; - FT_Byte currentInsertCount; - FT_Byte markedInsertCount; - FT_UShort currentInsertList; - FT_UShort markedInsertList; - - FT_UNUSED( state ); - - - setMark = FT_BOOL( ( flags >> 15 ) & 1 ); - dontAdvance = FT_BOOL( ( flags >> 14 ) & 1 ); - currentIsKashidaLike = FT_BOOL( ( flags >> 13 ) & 1 ); - markedIsKashidaLike = FT_BOOL( ( flags >> 12 ) & 1 ); - currentInsertBefore = FT_BOOL( ( flags >> 11 ) & 1 ); - markedInsertBefore = FT_BOOL( ( flags >> 10 ) & 1 ); - - currentInsertCount = (FT_Byte)( ( flags >> 5 ) & 0x1F ); - markedInsertCount = (FT_Byte)( flags & 0x001F ); - - currentInsertList = (FT_UShort)( glyphOffset->ul >> 16 ); - markedInsertList = (FT_UShort)( glyphOffset->ul ); - - if ( 0 != currentInsertList && 0 != currentInsertCount ) - { - gxv_mort_subtable_type5_InsertList_validate( currentInsertList, - currentInsertCount, - table, - limit, - valid ); - } - - if ( 0 != markedInsertList && 0 != markedInsertCount ) - { - gxv_mort_subtable_type5_InsertList_validate( markedInsertList, - markedInsertCount, - table, - limit, - valid ); - } - } - - - FT_LOCAL_DEF( void ) - gxv_mort_subtable_type5_validate( FT_Bytes table, - FT_Bytes limit, - GXV_Validator valid ) - { - FT_Bytes p = table; - - GXV_mort_subtable_type5_StateOptRec et_rec; - GXV_mort_subtable_type5_StateOptRecData et = &et_rec; - - - GXV_NAME_ENTER( "mort chain subtable type5 (Glyph Insertion)" ); - - GXV_LIMIT_CHECK( GXV_MORT_SUBTABLE_TYPE5_HEADER_SIZE ); - - valid->statetable.optdata = - et; - valid->statetable.optdata_load_func = - NULL; - valid->statetable.subtable_setup_func = - gxv_mort_subtable_type5_subtable_setup; - valid->statetable.entry_glyphoffset_fmt = - GXV_GLYPHOFFSET_ULONG; - valid->statetable.entry_validate_func = - gxv_mort_subtable_type5_entry_validate; - - gxv_StateTable_validate( p, limit, valid ); - - GXV_EXIT; - } - - -/* END */