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/*************************************************
Authors : Abhilasha Sancheti & Sukul Bagai
**************************************************
sample inputs : b=fillconvexpoly(a,points,4,0,0,0,8,0); (points: [0 0;0 100;100 0; 100 100])
fillConvexpoly( image , points , r_value , g_value , b_value , linrtype,shift);
*************************************************/
#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_fillconvexpoly(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 *piAddr6 = NULL;
int *piAddr7 = NULL;
int *piAddr8 = NULL;
int i,j,k ;
double *pstData = NULL;
double npts ,r_value,g_value ,b_value ,linetype=8 ,shift=0;
//checking input argument
CheckInputArgument(pvApiCtx, 8, 8);
CheckOutputArgument(pvApiCtx, 1, 1) ;
//retreive the value of clockwise parameter
Mat image;
retrieveImage(image,1);
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = getMatrixOfDouble(pvApiCtx, piAddr2, &iRows, &iCols, &pstData);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
///// store values in a contour
Point *pts = (Point *)malloc(iRows * 2 * sizeof(double));
for ( i = 0 ; i < iRows ; i++)
{
pts[i].x = *(pstData + i);
pts[i].y = *(pstData + 1*iRows + i);
}
/// to retrieve the number of points
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3, &npts);
if(intErr)
{
return intErr;
}
//// to retreive the value of r_value
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4, &r_value);
if(intErr)
{
return intErr;
}
/// to retreive the value of g_value
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5, &g_value);
if(intErr)
{
return intErr;
}
/// to retreive the value of b_value
sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr6, &b_value);
if(intErr)
{
return intErr;
}
/// to retreive the value of linetype
sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr7, &linetype);
if(intErr)
{
return intErr;
}
/// to retreive the value of shift
sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr8, &shift);
if(intErr)
{
return intErr;
}
// call the fillconvexpoly function of opencv
fillConvexPoly(image,pts,npts,Scalar(r_value,g_value,b_value),linetype,shift);
//temp variable was not needed, hence has been discarded
string tempstring = type2str(image.type());
char *checker;
checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker,image,1); //here, remove the temp as a parameter as it is not needed, and instead add 1 as the third parameter. 1 denotes that the first output argument will be this variable
free(checker); //free memory taken up by 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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