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/********************************************************
Author: Shubheksha Jalan
*********************************************************
Mat getRotationMatrix2D(Point2f center, double angle, double scale)
********************************************************/
#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_getrotationmatrix2D(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 i,j,k;
double centerX, centerY, angle, scale;
//checking input argument
CheckInputArgument(pvApiCtx, 4, 4);
CheckOutputArgument(pvApiCtx, 1, 1);
//for x coordinate of center
sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr, ¢erX);
if(intErr)
{
return intErr;
}
//for y coordinate of center
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr2, ¢erY);
if(intErr)
{
return intErr;
}
//for value of angle
sciErr = getVarAddressFromPosition(pvApiCtx, 3, &piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3, &angle);
if(intErr)
{
return intErr;
}
//for value of scale
sciErr = getVarAddressFromPosition(pvApiCtx, 4, &piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4, &scale);
if(intErr)
{
return intErr;
}
Point2f center = Point2f(centerX, centerY);
Mat temp = getRotationMatrix2D(center, angle, scale);
double *m = (double *)malloc(temp.rows*temp.cols*sizeof(double));
for(i=0;i<temp.rows;i++)
{
for(j=0;j<temp.cols;j++)
{
uchar intensity = temp.at<uchar>(i, j);
*(m + i*temp.cols + j) = intensity;
}
}
sciErr = createMatrixOfDouble(pvApiCtx, nbInputArgument(pvApiCtx) + 1, temp.rows, temp.cols, m);
//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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