text: /*
   *   Copyright (c) 2008-2020 SLIBIO <https://github.com/SLIBIO>
   *
   *   Permission is hereby granted, free of charge, to any person obtaining a copy
   *   of this software and associated documentation files (the "Software"), to deal
   *   in the Software without restriction, including without limitation the rights
   *   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   *   copies of the Software, and to permit persons to whom the Software is
   *   furnished to do so, subject to the following conditions:
   *
   *   The above copyright notice and this permission notice shall be included in
   *   all copies or substantial portions of the Software.
   *
   *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   *   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   *   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   *   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   *   THE SOFTWARE.
   */
  
  #ifndef CHECKHEADER_SLIB_UI_AUDIO_VIEW
  #define CHECKHEADER_SLIB_UI_AUDIO_VIEW
  
  #include "view.h"
  
  #include "../media/audio_data.h"
  #include "../core/loop_queue.h"
  
  namespace slib
  {
  
  	class SLIB_EXPORT AudioView : public View
  	{
  		SLIB_DECLARE_OBJECT
  		
  	public:
  		AudioView();
  		
  		~AudioView();
  
  	public:
  		sl_uint32 getSamplesPerFrame();
  
  		void setSamplesPerFrame(sl_uint32 n);
  
  		sl_uint32 getFramesPerWindow();
  
  		void setFramesPerWindow(sl_uint32 n);
  
  		const Color& getColor();
  
  		void setColor(const Color& color, UIUpdateMode mode = UIUpdateMode::Redraw);
  
  		void pushFrames(const AudioData& data, UIUpdateMode mode = UIUpdateMode::Redraw);
  
  	protected:
  		void onDraw(Canvas* canvas) override;
  
  	protected:
  		sl_uint32 m_nSamplesPerFrame;
  		sl_uint32 m_nFramesPerWindow;
  
  		Color m_color;
  
  		LoopQueue<sl_uint16> m_queueFrames;
  		Array<sl_uint16> m_bufProcess;
  		Array<sl_uint16> m_bufWindow;
  		Array<Point> m_ptsWindow;
  		
  	};
  
  }
  
  #endif
  