+#ifndef __DALI_TOOLKIT_INTERNAL_RENDERER_STRING_CONSTANTS_H__
+#define __DALI_TOOLKIT_INTERNAL_RENDERER_STRING_CONSTANTS_H__
+
+/*
+ * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+namespace Dali
+{
+
+namespace Toolkit
+{
+
+namespace Internal
+{
+
+extern const char * const RENDERER_TYPE;
+extern const char * const COLOR_RENDERER;
+extern const char * const BORDER_RENDERER;
+extern const char * const GRADIENT_RENDERER;
+extern const char * const IMAGE_RENDERER;
+
+extern const char * const IMAGE_URL_NAME;
+extern const char * const ATLAS_RECT_UNIFORM_NAME;
+
+} // namespace Internal
+
+} // namespace Toolkit
+
+} // namespace Dali
+
+#endif /* __DALI_TOOLKIT_INTERNAL_RENDERER_STRING_CONSTANTS_H__ */