/********************************************************
    Author: Sukul Bagai
********************************************************/

#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
using namespace cv;
using namespace std;
extern "C"
{
  #include "api_scilab.h"
  #include "Scierror.h"
  #include "BOOL.h"
  #include <localization.h>
  #include <sciprint.h>
  #include "../common.h"
  
  int opencv_medianblur(char *fname, unsigned long fname_len)
  {

    SciErr sciErr;
    int intErr = 0;
    int iRows=0,iCols=0;
    int *piAddr = NULL;
    int *piAddrNew = NULL;
    int *piAddr2  = NULL;
    int *piAddr3  = NULL;
    int *piAddr4  = NULL;
    int *piAddr5  = NULL;
    int i,j,k;
    double ksize;

    //checking input argument
    CheckInputArgument(pvApiCtx, 2, 2);
    CheckOutputArgument(pvApiCtx, 1, 1) ;

    Mat image;
    retrieveImage(image, 1); 
    //for value of ksize
    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
    if (sciErr.iErr)
    {
        printError(&sciErr, 0);
        return 0;
    }
    intErr = getScalarDouble(pvApiCtx, piAddr2, &ksize);
    if(intErr)
    {
        return intErr;
    }   

    Mat new_image(image.rows,image.cols,CV_8UC3);
    
    //checking input parameters
    if((int)ksize != 1 && (int)ksize != 3 && (int)ksize != 5 && (int)ksize != 7)
    {
        sciprint("Value of 1,3,5,7 Required for ksize. Default value of 3 was used instead");
        ksize = 3;
    }
    medianBlur(image,new_image,ksize);

    
    string tempstring = type2str(new_image.type());
    char *checker;
    checker = (char *)malloc(tempstring.size() + 1);
    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
    returnImage(checker,new_image,1);
    free(checker); 
    
    //Assigning the list as the Output Variable
    AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
    //Returning the Output Variables as arguments to the Scilab environment
    ReturnArguments(pvApiCtx);
    return 0;

  }
/* ==================================================================== */
}