--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/gxvalid/gxvmort0.c Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,137 @@
+/***************************************************************************/
+/* */
+/* 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 */