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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Checked in the following released items:
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Diffstat (limited to 'freetype/src/gxvalid/gxvmorx0.c')
-rw-r--r--freetype/src/gxvalid/gxvmorx0.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/freetype/src/gxvalid/gxvmorx0.c b/freetype/src/gxvalid/gxvmorx0.c
new file mode 100644
index 000000000..ca92b6c39
--- /dev/null
+++ b/freetype/src/gxvalid/gxvmorx0.c
@@ -0,0 +1,103 @@
+/***************************************************************************/
+/* */
+/* gxvmorx0.c */
+/* */
+/* TrueTypeGX/AAT morx 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 "gxvmorx.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_gxvmorx
+
+
+ static void
+ gxv_morx_subtable_type0_entry_validate(
+ FT_UShort state,
+ FT_UShort flags,
+ GXV_XStateTable_GlyphOffsetDesc glyphOffset,
+ FT_Bytes table,
+ FT_Bytes limit,
+ GXV_Validator valid )
+ {
+ FT_UShort markFirst;
+ FT_UShort dontAdvance;
+ FT_UShort markLast;
+ FT_UShort reserved;
+ FT_UShort verb;
+
+ FT_UNUSED( state );
+ FT_UNUSED( glyphOffset );
+ FT_UNUSED( table );
+ FT_UNUSED( limit );
+
+
+ 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 );
+
+ if ( 0 < reserved )
+ {
+ GXV_TRACE(( " non-zero bits found in reserved range\n" ));
+ FT_INVALID_DATA;
+ }
+ }
+
+
+ FT_LOCAL_DEF( void )
+ gxv_morx_subtable_type0_validate( FT_Bytes table,
+ FT_Bytes limit,
+ GXV_Validator valid )
+ {
+ FT_Bytes p = table;
+
+
+ GXV_NAME_ENTER(
+ "morx chain subtable type0 (Indic-Script Rearrangement)" );
+
+ GXV_LIMIT_CHECK( GXV_STATETABLE_HEADER_SIZE );
+
+ valid->xstatetable.optdata = NULL;
+ valid->xstatetable.optdata_load_func = NULL;
+ valid->xstatetable.subtable_setup_func = NULL;
+ valid->xstatetable.entry_glyphoffset_fmt = GXV_GLYPHOFFSET_NONE;
+ valid->xstatetable.entry_validate_func =
+ gxv_morx_subtable_type0_entry_validate;
+
+ gxv_XStateTable_validate( p, limit, valid );
+
+ GXV_EXIT;
+ }
+
+
+/* END */