New class to handle osd fade

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-beta@1940 e54a6e83-5905-42d5-8d5c-058d10e6a962

src/driver/fade.h

@@ -0,0 +1,47 @@
+/*
+	Neutrino-GUI  -   DBoxII-Project
+
+	Copyright (C) 2011 CoolStream International Ltd
+
+	License: GPLv2
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#ifndef __fade_f__
+#define __fade_f__
+
+#include <driver/framebuffer.h>
+
+class COSDFader
+{
+	private:
+		uint32_t	fadeTimer;
+		int		fadeValue;
+		unsigned char	& max_alpha;
+		bool		fadeIn;
+		bool		fadeOut;
+
+		CFrameBuffer            *frameBuffer;
+	public:
+		COSDFader(unsigned char &alpha);
+		~COSDFader();
+
+		void StartFadeIn();
+		bool StartFadeOut();
+		void Stop();
+		bool Fade();
+		uint32_t GetTimer() { return fadeTimer; };
+};
+#endif