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/***************************************************
Author : Tanmay Chaudhari
***************************************************/
#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <bits/stdc++.h>
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"
// #include "../common.cpp"
int opencv_integralImage(char *fname, unsigned long fname_len)
{
//Error management variable
SciErr sciErr;
//Variable declaration
int nbInputArguments = 0;
int iRows = 0;
int iCols = 0;
int *piLen = NULL;
int *piAddr = NULL;
int tilted = 0;
char **pstData = NULL;
double *integralImage;
Mat image, sum, sqsum, tiltedsum;
//Check input output arguments
checkInputArgument(pvApiCtx, 1, 2);
checkOutputArgument(pvApiCtx, 1, 1);
nbInputArguments = *getNbInputArgument(pvApiCtx);
//getting input arguments
retrieveImage(image, 1);
if(nbInputArguments == 2)
{
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
// Extracting name of next argument takes three calls to getMatrixOfString
sciErr = getMatrixOfString(pvApiCtx, piAddr, &iRows, &iCols, NULL, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
piLen = (int*) malloc(sizeof(int) * iRows * iCols);
sciErr = getMatrixOfString(pvApiCtx, piAddr, &iRows, &iCols, piLen, NULL);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
pstData = (char**) malloc(sizeof(char*) * iRows * iCols);
for(int iterPstData = 0; iterPstData < iRows * iCols; iterPstData++)
{
pstData[iterPstData] = (char*) malloc(sizeof(char) * piLen[iterPstData] + 1);
}
sciErr = getMatrixOfString(pvApiCtx, piAddr, &iRows, &iCols, piLen, pstData);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
if(strcmp(pstData[0],"upright")==0)
tilted=0;
else if(strcmp(pstData[0],"rotated")==0)
tilted=1;
else
{
Scierror(999, "Error: Please provide proper value for \"%s\". Permissible values are upright or rotated.\n", pstData[0]);
return 0;
}
}
integral(image,sum,sqsum,tiltedsum);
if(tilted==0)
{
integralImage = (double*)malloc(sizeof(double) * int(sum.rows) * int(sum.cols));
for(int i=0;i<sum.rows;i++)
{
for(int j=0;j<sum.cols;j++)
{
integralImage[j*int(sum.rows)+i] = sum.at<int>(i,j);
}
}
}
else
{
integralImage = (double*)malloc(sizeof(double) * int(sum.rows) * (int(sum.cols)+1));
for(int i=0;i<sum.rows;i++)
{
for(int j=0;j<=sum.cols;j++)
{
integralImage[j*sum.rows+i]=0;
}
}
for(int i=0;i<sum.rows;i++)
{
for(int j=0;j<sum.cols;j++)
{
integralImage[j*int(sum.rows)+i] = tiltedsum.at<int>(i,j);
}
}
}
sciErr = createList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, 1, &piAddr);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
if(tilted==0)
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, piAddr, 1, int(sum.rows), int(sum.cols), integralImage);
else
sciErr = createMatrixOfDoubleInList(pvApiCtx, nbInputArgument(pvApiCtx) + 1, piAddr, 1, int(sum.rows), int(sum.cols)+1, integralImage);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Return output arguments
AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
ReturnArguments(pvApiCtx);
return 0;
}
/* ==================================================================== */
}
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