--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/ArabicShaping.h	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,66 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#ifndef __ARABICSHAPING_H
+#define __ARABICSHAPING_H
+
+/**
+ * \file
+ * \internal
+ */
+
+#include "LETypes.h"
+#include "OpenTypeTables.h"
+
+U_NAMESPACE_BEGIN
+
+class LEGlyphStorage;
+
+class ArabicShaping /* not : public UObject because all methods are static */ {
+public:
+    // shaping bit masks
+    enum ShapingBitMasks
+    {
+        MASK_SHAPE_RIGHT    = 1, // if this bit set, shapes to right
+        MASK_SHAPE_LEFT     = 2, // if this bit set, shapes to left
+        MASK_TRANSPARENT    = 4, // if this bit set, is transparent (ignore other bits)
+        MASK_NOSHAPE        = 8  // if this bit set, don't shape this char, i.e. tatweel
+    };
+
+    // shaping values
+    enum ShapeTypeValues
+    {
+        ST_NONE         = 0,
+        ST_RIGHT        = MASK_SHAPE_RIGHT,
+        ST_LEFT         = MASK_SHAPE_LEFT,
+        ST_DUAL         = MASK_SHAPE_RIGHT | MASK_SHAPE_LEFT,
+        ST_TRANSPARENT  = MASK_TRANSPARENT,
+        ST_NOSHAPE_DUAL = MASK_NOSHAPE | ST_DUAL,
+        ST_NOSHAPE_NONE = MASK_NOSHAPE
+    };
+
+    typedef le_int32 ShapeType;
+
+    static void shape(const LEUnicode *chars, le_int32 offset, le_int32 charCount, le_int32 charMax,
+                      le_bool rightToLeft, LEGlyphStorage &glyphStorage);
+
+    static const LETag *getFeatureOrder();
+
+private:
+    // forbid instantiation
+    ArabicShaping();
+
+    static const LETag tagArray[];
+
+    static ShapeType getShapeType(LEUnicode c);
+
+    static const ShapeType shapeTypes[];
+
+    static void adjustTags(le_int32 outIndex, le_int32 shapeOffset, LEGlyphStorage &glyphStorage); 
+};
+
+U_NAMESPACE_END
+#endif