GrainDisplay.h

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#pragma once
 
namespace krotos
{
    class GrainDisplay : public ZoomableComponent
    {
      public:
        GrainDisplay();
        ~GrainDisplay() override;
 
        void paint(Graphics& g) override;
        void update();
        Range<float> getPlayingWaveformZoomRange();
        AreaSelectionComp::WaveformMode getWaveformMode();
 
        void setGrainData(Grain* grains, int numSamples, int numChannels)
        {
            m_grainArray = grains;
            m_numSamples = numSamples;
            m_numChannels = numChannels;
        }
        void organiseGrains();
 
        void setSampleEngineToDisplay(KrotosSampleOscillatorSound* sound)
        {
            m_sampleOscillatorSound = sound;
            if (sound)
            {
                m_sampleEngine = sound->getSampleEngine();
            }
            else
            {
                m_sampleEngine = nullptr;
            }
        }
 
        SampleEngine* getDisplayedSampleEngine() { return m_sampleEngine; }
 
        float getPlayheadPosition();
 
      protected:
        KrotosSampleOscillatorSound* m_sampleOscillatorSound{nullptr};
        SampleEngine* m_sampleEngine{nullptr};
 
        volatile std::atomic<bool> m_waitingForTimer{false};
        bool checkGrain(int index);
 
        Grain* m_grainArray{nullptr};
        int m_numSamples{0};
        int m_numChannels{0};
 
        static const int MAX_DRAWN_GRAINS = 30;
        int m_grainIndices[MAX_DRAWN_GRAINS];
        WaitableEvent m_waitForTimer;
 
        bool m_drawDebugGraphics{false};
        const Colour m_playheadColour{55, 201, 219};
 
      private:
        static const String GRAIN_DISPLAY_UPDATE_ID;
    };
} // namespace krotos