--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/fontservices/textshaperplugin/IcuSource/layout/HanLayoutEngine.cpp	Tue Feb 02 02:02:46 2010 +0200
@@ -0,0 +1,71 @@
+/*
+ * HanLayoutEngine.cpp: OpenType processing for Han fonts.
+ *
+ * (C) Copyright IBM Corp. 1998-2005 - All Rights Reserved.
+ */
+
+#include "LETypes.h"
+#include "LEScripts.h"
+#include "LELanguages.h"
+
+#include "LayoutEngine.h"
+#include "OpenTypeLayoutEngine.h"
+#include "HanLayoutEngine.h"
+#include "ScriptAndLanguageTags.h"
+#include "LEGlyphStorage.h"
+
+U_NAMESPACE_BEGIN
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(HanOpenTypeLayoutEngine)
+
+HanOpenTypeLayoutEngine::HanOpenTypeLayoutEngine(const LEFontInstance *fontInstance, le_int32 scriptCode, le_int32 languageCode,
+                        le_int32 typoFlags, const GlyphSubstitutionTableHeader *gsubTable)
+    : OpenTypeLayoutEngine(fontInstance, scriptCode, languageCode, typoFlags, gsubTable)
+{
+    // nothing else to do...
+}
+
+HanOpenTypeLayoutEngine::~HanOpenTypeLayoutEngine()
+{
+    // nothing to do
+}
+
+static const LETag emptyTag = 0x00000000;
+
+static const LETag loclFeatureTag = LE_LOCL_FEATURE_TAG;
+static const LETag smplFeatureTag = LE_SMPL_FEATURE_TAG;
+static const LETag tradFeatureTag = LE_TRAD_FEATURE_TAG;
+
+static const LETag features[] = {loclFeatureTag, emptyTag};
+
+le_int32 HanOpenTypeLayoutEngine::characterProcessing(const LEUnicode chars[], le_int32 offset, le_int32 count, le_int32 max, le_bool /*rightToLeft*/,
+        LEUnicode *&/*outChars*/, LEGlyphStorage &glyphStorage, LEErrorCode &success)
+{
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    if (chars == NULL || offset < 0 || count < 0 || max < 0 || offset >= max || offset + count > max) {
+        success = LE_ILLEGAL_ARGUMENT_ERROR;
+        return 0;
+    }
+
+    glyphStorage.allocateGlyphArray(count, FALSE, success);
+    glyphStorage.allocateAuxData(success);
+
+    if (LE_FAILURE(success)) {
+        return 0;
+    }
+
+    // FIXME: do we want to add the 'trad' feature for 'ZHT' and the
+    // 'smpl' feature for 'ZHS'? If we do this, we can remove the exact
+    // flag from the language tag lookups, so we can use these features
+    // with the default LangSys...
+    for (le_int32 i = 0; i < count; i += 1) {
+        glyphStorage.setAuxData(i, (void *) features, success);
+    }
+
+    return count;
+}
+
+U_NAMESPACE_END