--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/SingleSubstitutionSubtables.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,79 @@
+/*
+ *
+ * (C) Copyright IBM Corp. 1998-2004 - All Rights Reserved
+ *
+ */
+
+#include "LETypes.h"
+#include "LEGlyphFilter.h"
+#include "OpenTypeTables.h"
+#include "GlyphSubstitutionTables.h"
+#include "SingleSubstitutionSubtables.h"
+#include "GlyphIterator.h"
+#include "LESwaps.h"
+
+U_NAMESPACE_BEGIN
+
+le_uint32 SingleSubstitutionSubtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+    switch(SWAPW(subtableFormat))
+    {
+    case 0:
+        return 0;
+
+    case 1:
+    {
+        const SingleSubstitutionFormat1Subtable *subtable = (const SingleSubstitutionFormat1Subtable *) this;
+
+        return subtable->process(glyphIterator, filter);
+    }
+
+    case 2:
+    {
+        const SingleSubstitutionFormat2Subtable *subtable = (const SingleSubstitutionFormat2Subtable *) this;
+
+        return subtable->process(glyphIterator, filter);
+    }
+
+    default:
+        return 0;
+    }
+}
+
+le_uint32 SingleSubstitutionFormat1Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+    le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+    if (coverageIndex >= 0) {
+        TTGlyphID substitute = ((TTGlyphID) LE_GET_GLYPH(glyph)) + SWAPW(deltaGlyphID);
+
+        if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
+            glyphIterator->setCurrGlyphID(substitute);
+        }
+
+        return 1;
+    }
+
+    return 0;
+}
+
+le_uint32 SingleSubstitutionFormat2Subtable::process(GlyphIterator *glyphIterator, const LEGlyphFilter *filter) const
+{
+    LEGlyphID glyph = glyphIterator->getCurrGlyphID();
+    le_int32 coverageIndex = getGlyphCoverage(glyph);
+
+    if (coverageIndex >= 0) {
+        TTGlyphID substitute = SWAPW(substituteArray[coverageIndex]);
+
+        if (filter == NULL || filter->accept(LE_SET_GLYPH(glyph, substitute))) {
+            glyphIterator->setCurrGlyphID(substitute);
+        }
+
+        return 1;
+    }
+
+    return 0;
+}
+
+U_NAMESPACE_END