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+/*M///////////////////////////////////////////////////////////////////////////////////////
+//
+//  IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING.
+//
+//  By downloading, copying, installing or using the software you agree to this license.
+//  If you do not agree to this license, do not download, install,
+//  copy or use the software.
+//
+//
+//                           License Agreement
+//                For Open Source Computer Vision Library
+//
+// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
+// Third party copyrights are property of their respective owners.
+//
+// Redistribution and use in source and binary forms, with or without modification,
+// are permitted provided that the following conditions are met:
+//
+//   * Redistribution's of source code must retain the above copyright notice,
+//     this list of conditions and the following disclaimer.
+//
+//   * Redistribution's in binary form must reproduce the above copyright notice,
+//     this list of conditions and the following disclaimer in the documentation
+//     and/or other materials provided with the distribution.
+//
+//   * The name of the copyright holders may not be used to endorse or promote products
+//     derived from this software without specific prior written permission.
+//
+// This software is provided by the copyright holders and contributors "as is" and
+// any express or implied warranties, including, but not limited to, the implied
+// warranties of merchantability and fitness for a particular purpose are disclaimed.
+// In no event shall the Intel Corporation or contributors be liable for any direct,
+// indirect, incidental, special, exemplary, or consequential damages
+// (including, but not limited to, procurement of substitute goods or services;
+// loss of use, data, or profits; or business interruption) however caused
+// and on any theory of liability, whether in contract, strict liability,
+// or tort (including negligence or otherwise) arising in any way out of
+// the use of this software, even if advised of the possibility of such damage.
+//
+//M*/
+
+#ifndef __OPENCV_DNN_LAYER_HPP__
+#define __OPENCV_DNN_LAYER_HPP__
+#include <opencv2/dnn.hpp>
+
+namespace cv
+{
+namespace dnn
+{
+//! @addtogroup dnn
+//! @{
+//!
+//! @defgroup dnnLayerFactory Utilities for New Layers Registration
+//! @{
+
+/** @brief %Layer factory allows to create instances of registered layers. */
+class CV_EXPORTS LayerFactory
+{
+public:
+
+    //! Each Layer class must provide this function to the factory
+    typedef Ptr<Layer>(*Constuctor)(LayerParams &params);
+
+    //! Registers the layer class with typename @p type and specified @p constructor.
+    static void registerLayer(const String &type, Constuctor constructor);
+
+    //! Unregisters registered layer with specified type name.
+    static void unregisterLayer(const String &type);
+
+    /** @brief Creates instance of registered layer.
+     *  @param type type name of creating layer.
+     *  @param params parameters which will be used for layer initialization.
+     */
+    static Ptr<Layer> createLayerInstance(const String &type, LayerParams& params);
+
+private:
+    LayerFactory();
+
+    struct Impl;
+    static Ptr<Impl> impl();
+};
+
+/** @brief Registers layer constructor in runtime.
+*   @param type string, containing type name of the layer.
+*   @param constuctorFunc pointer to the function of type LayerRegister::Constuctor, which creates the layer.
+*   @details This macros must be placed inside the function code.
+*/
+#define REG_RUNTIME_LAYER_FUNC(type, constuctorFunc) \
+    cv::dnn::LayerFactory::registerLayer(#type, constuctorFunc);
+
+/** @brief Registers layer class in runtime.
+ *  @param type string, containing type name of the layer.
+ *  @param class C++ class, derived from Layer.
+ *  @details This macros must be placed inside the function code.
+ */
+#define REG_RUNTIME_LAYER_CLASS(type, class) \
+    cv::dnn::LayerFactory::registerLayer(#type, _layerDynamicRegisterer<class>);
+
+/** @brief Registers layer constructor on module load time.
+*   @param type string, containing type name of the layer.
+*   @param constuctorFunc pointer to the function of type LayerRegister::Constuctor, which creates the layer.
+*   @details This macros must be placed outside the function code.
+*/
+#define REG_STATIC_LAYER_FUNC(type, constuctorFunc) \
+static cv::dnn::_LayerStaticRegisterer __LayerStaticRegisterer_##type(#type, constuctorFunc);
+
+/** @brief Registers layer class on module load time.
+ *  @param type string, containing type name of the layer.
+ *  @param class C++ class, derived from Layer.
+ *  @details This macros must be placed outside the function code.
+ */
+#define REG_STATIC_LAYER_CLASS(type, class)                         \
+Ptr<Layer> __LayerStaticRegisterer_func_##type(LayerParams &params) \
+    { return Ptr<Layer>(new class(params)); }                       \
+static _LayerStaticRegisterer __LayerStaticRegisterer_##type(#type, __LayerStaticRegisterer_func_##type);
+
+
+//! @}
+//! @}
+
+
+template<typename LayerClass>
+Ptr<Layer> _layerDynamicRegisterer(LayerParams &params)
+{
+    return Ptr<Layer>(new LayerClass(params));
+}
+
+//allows automatically register created layer on module load time
+class _LayerStaticRegisterer
+{
+    String type;
+public:
+
+    _LayerStaticRegisterer(const String &layerType, LayerFactory::Constuctor layerConstuctor)
+    {
+        this->type = layerType;
+        LayerFactory::registerLayer(layerType, layerConstuctor);
+    }
+
+    ~_LayerStaticRegisterer()
+    {
+        LayerFactory::unregisterLayer(type);
+    }
+};
+
+}
+}
+#endif