#include "dde.h"

dde::dde(QObject *parent)
    : QObject{parent}
{
    ready = false;
    dderate = 1;
    thread = new QThread();
    thread->start();
    this->moveToThread(thread);
}

void dde::setpara(double rate)
{
    dderate = rate;
    ready = true;
    if(rate ==0 )
        ready = false;
}

void dde::off()
{
    ready = false;
}

void dde::slotprocimg(cv::Mat img)
{
    if(ready){
        cv::Mat gauss;
        cv::GaussianBlur(img,gauss,cv::Size(5,5),5);
        cv::Mat dst(img.rows,img.cols,CV_16UC1);
        for(int i = 0;i<img.rows;i++){
            for(int j = 0; j<img.cols;j++){
                int temp = dderate*(img.at<ushort>(i,j)-gauss.at<ushort>(i,j))+gauss.at<ushort>(i,j);
                dst.at<ushort>(i,j) =temp;
                if(temp<0)
                    dst.at<ushort>(i,j) = 0;
                if(temp>65535)
                    dst.at<ushort>(i,j) = 65535;
            }
        }
        emit signalsendimg(dst);

    }
    else{
        cv::Mat temp;
        img.copyTo(temp);
        emit signalsendimg(temp);
    }
}