--- a/misc/libfreetype/src/gxvalid/gxvmort5.c Thu Jul 25 23:16:06 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 */