HistogramOverlay.h

#pragma once
 
#include "Module.h"
 
/*
ROI - optional
Mask - optional
numBins - number of bins
https://docs.opencv.org/2.4/modules/imgproc/doc/histograms.html?highlight=calchist#calchist
 
depth has to be either CV_8U or CV_32F
*/
 
class HistogramOverlayProps : public ModuleProps
{
public:
    HistogramOverlayProps() : ModuleProps() {}
};
 
class HistogramOverlay : public Module {
public:
 
    HistogramOverlay(HistogramOverlayProps _props=HistogramOverlayProps());
    virtual ~HistogramOverlay() {}
 
    virtual bool init();
    virtual bool term();
 
protected:  
    bool processEOS(string& pinId);
    bool process(frame_container& frames);
    bool processSOS(frame_sp& frame);
    bool validateInputPins();
    bool validateOutputPins();  
    bool validateInputOutputPins();
    bool shouldTriggerSOS();
 
private:    
    class Detail;
    boost::shared_ptr<Detail> mDetail;
};