WaveData.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  WaveData.h
 
  Dmitry Vedenko
 
**********************************************************************/
#pragma once
 
#include <vector>
 
#include "PixelSampleMapper.h"
 
struct WAVE_TRACK_PAINT_API WaveDisplayColumn final
{
   float min;
   float max;
   float rms;
};
 
class WAVE_TRACK_PAINT_API WaveformDisplay final
{
public:
   int width { 0 };
 
   WaveDisplayColumn* columns { nullptr };
   PixelSampleMapper mapper;
 
   void
   AppendColumns(const WaveDisplayColumn* begin, const WaveDisplayColumn* end);
 
private:
   std::vector<WaveDisplayColumn> ownColums;
 
public:
   WaveformDisplay(int w);
 
   // Create "own" arrays.
   void Allocate();
 
   ~WaveformDisplay();
};