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/* ==================================================================== */
/* Author :Priyanka Hiranandani NIT Surat */
/* ==================================================================== */
/* Syntax : rotated_image=imrotate(sourcrimage,angle); */
/* ==================================================================== */
#include <numeric>
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include "opencv2/opencv.hpp"
#include <iostream>
#include <sciprint.h>
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 imrotate(char *fname, unsigned long fname_len)
{
// Error management variable
SciErr sciErr;
//variable info
int iRows = 0;
int iCols = 0;
int piRows = 0;
int piCols = 0;
int* piAddr = NULL;
int* piAddr2 = NULL;
int* piAddr3 = NULL;
int* piAddrNew = NULL;
int* piLen = NULL;
double pstData;
int* pstData2 = NULL;
double *rrows;
double *rcols;
int error;
//function to check number of input variable
CheckInputArgument(pvApiCtx, 2, 2);
//function to check number of output variable
CheckOutputArgument(pvApiCtx, 1, 1);
// get Address of first input
Mat img;
retrieveImage(img,1);
//second argument
//fetching address of second argument
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
//checking for error if any
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//this function will fetch second argument i.e angle
error=getScalarDouble(pvApiCtx,piAddr2,&pstData);
if(error!=0)
{
sciprint("error in retrieving second argument");
}
//creating distination matrix
Mat dst;
//following set of functions for image rotation
Point2f pt((img.cols)/2., (img.rows)/2.);
Mat r1 = getRotationMatrix2D(pt, pstData, 1.0);
warpAffine(img, dst, r1, Size(dst.cols, dst.rows));
//Since we need to pass a single pointer as an arguement, for a 2-D matrix, we define it in this manner
string tempstring = type2str(dst.type());
char* checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker,dst,1);
//returning output arguments
AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
ReturnArguments(pvApiCtx);
return 0;
}
}
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