waveform_canvas_item.h

// SPDX-FileCopyrightText: © 2026 Alexandros Theodotou <alex@zrythm.org>
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
 
#pragma once
 
#include <QColor>
#include <QtCanvasPainter/qcanvaspainteritem.h>
 
#include "juce_wrapper.h"
 
namespace zrythm::gui::qquick
{
 
class WaveformCanvasRenderer;

class WaveformCanvasItem : public QCanvasPainterItem
{
  Q_OBJECT
 
  Q_PROPERTY (
    QColor waveformColor READ waveformColor WRITE setWaveformColor NOTIFY
      waveformColorChanged)
  Q_PROPERTY (
    QColor outlineColor READ outlineColor WRITE setOutlineColor NOTIFY
      outlineColorChanged)
 
public:
  explicit WaveformCanvasItem (QQuickItem * parent = nullptr);
 
  QCanvasPainterItemRenderer * createItemRenderer () const override;
 
  QColor waveformColor () const { return waveform_color_; }
  void   setWaveformColor (const QColor &color);
  QColor outlineColor () const { return outline_color_; }
  void   setOutlineColor (const QColor &color);
 
  const juce::AudioSampleBuffer * audioBuffer () const
  {
    return (audio_buffer_.getNumSamples () > 0) ? &audio_buffer_ : nullptr;
  }

  uint64_t bufferGeneration () const { return buffer_generation_; }
 
protected:
  void notifyBufferChanged ();
 
  juce::AudioSampleBuffer audio_buffer_;
 
Q_SIGNALS:
  void waveformColorChanged ();
  void outlineColorChanged ();
 
private:
  QColor   waveform_color_;
  QColor   outline_color_;
  uint64_t buffer_generation_ = 0;
};
 
} // namespace zrythm::gui::qquick