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/********************************************************
Author: Shubheksha Jalan
********************************************************/
#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 "../common.h"
int opencv_cornerHarris(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr = 0;
int iRows=0,iCols=0;
int *piLen = NULL;
int *piAddr = NULL;
int *piAddrNew = NULL;
int *piAddr2 = NULL;
int *piAddr3 = NULL;
int *piAddr4 = NULL;
int *piAddr5 = NULL;
int i,j;
double blockSize, ksize, k;
char **borderType;
CheckInputArgument(pvApiCtx, 5, 5);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat image;
retrieveImage(image, 1);
cvtColor(image,image,CV_BGR2GRAY);
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr2, &blockSize);
if(intErr)
{
return intErr;
}
//for ksize
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3, &ksize);
if(intErr)
{
return intErr;
}
//for value of k
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4, &k);
if(intErr)
{
return intErr;
}
//for border type
sciErr = getVarAddressFromPosition(pvApiCtx, 5, &piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Now, we will retrieve the string from the input parameter. For this, we will require 3 calls
//first call to retrieve dimensions
sciErr = getMatrixOfString(pvApiCtx, piAddr5, &iRows, &iCols, NULL, NULL);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
piLen = (int*)malloc(sizeof(int) * iRows * iCols);
//second call to retrieve length of each string
sciErr = getMatrixOfString(pvApiCtx, piAddr5, &iRows, &iCols, piLen, NULL);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
borderType = (char**)malloc(sizeof(char*) * iRows * iCols);
for(i = 0 ; i < iRows * iCols ; i++)
borderType[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
//third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr5, &iRows, &iCols, piLen, borderType);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
cout<<"String\n";
Mat new_image(image.rows, image.cols, CV_32FC1);
if(strcmp(borderType[0], "BORDER_CONSTANT") == 0){
cornerHarris(image, new_image, blockSize, ksize, k, BORDER_CONSTANT);
}
else if(strcmp(borderType[0], "BORDER_DEFAULT") == 0)
cornerHarris(image, new_image, blockSize, ksize, k, BORDER_DEFAULT);
namedWindow ("window", 1);
imshow("window", new_image);
waitKey(0);
destroyWindow("window");
new_image.convertTo(new_image, CV_32FC1, 1.0/255.0);
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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