refactor types(#450)

source/gui/detail/effects_renderer.hpp

@@ -0,0 +1,52 @@
+/*
+*	Effects Renderer
+*	Nana C++ Library(http://www.nanapro.org)
+*	Copyright(C) 2003-2019 Jinhao(cnjinhao@hotmail.com)
+*
+*	Distributed under the Boost Software License, Version 1.0.
+*	(See accompanying file LICENSE_1_0.txt or copy at
+*	http://www.boost.org/LICENSE_1_0.txt)
+*
+*	@file: nana/gui/detail/effects_renderer.cpp
+*/
+
+#ifndef NANA_GUI_DETAIL_EFFECTS_RENDERER_HPP
+#define NANA_GUI_DETAIL_EFFECTS_RENDERER_HPP
+#include "basic_window.hpp"
+#include <nana/gui/effects.hpp>
+#include <nana/paint/graphics.hpp>
+#include <nana/paint/pixel_buffer.hpp>
+#include <nana/gui/layout_utility.hpp>
+#include <nana/gui/detail/window_layout.hpp>
+
+namespace nana{
+	namespace detail
+	{
+		/// Effect edige nimbus renderer
+		class edge_nimbus_renderer
+		{
+			edge_nimbus_renderer() = default;
+		public:
+			using window_layer = ::nana::detail::window_layout;
+			using graph_reference = ::nana::paint::graphics&;
+
+			static edge_nimbus_renderer& instance();
+
+			constexpr unsigned weight() const
+			{
+				return 2;
+			}
+
+			void erase(basic_window* wd);
+
+			void render(basic_window* wd, bool forced, const rectangle* update_area = nullptr);
+		private:
+			/// Determines whether the effect will be rendered for the given window.
+			static bool _m_edge_nimbus(basic_window * const wd, basic_window * const focused_wd);
+
+			void _m_render_edge_nimbus(basic_window* wd, const nana::rectangle & visual);
+		};
+	}
+}//end namespace nana
+
+#endif