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/********************************************************
Authors: Dhruti Shah
********************************************************/
#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_graydiffweight(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 refGrayVal;
//checking input argument
CheckInputArgument(pvApiCtx, 2, 2);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat image;
retrieveImage(image, 1);
cvtColor( image, image, CV_BGR2GRAY );
//for value of refGrayVal
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr2, &refGrayVal);
if(intErr)
{
return intErr;
}
double value1, value2;
Mat new_image = Mat::zeros(image.size(),image.type());
for(int i=0; i<image.rows; i++)
{
for(int j=0; j<image.cols; j++)
{
value1 = image.at<uchar>(i,j);
value2 = abs(value1-refGrayVal);
new_image.at<uchar>(i,j)=value2;
}
}
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;
}
/* ==================================================================== */
}
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