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/********************************************************
Author: Sukul Bagai
********************************************************/
#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_imcrop(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 i,j,k;
double x, y, width, height;
//checking input argument
CheckInputArgument(pvApiCtx, 5, 5);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat image;
retrieveImage(image, 1);
//for value of top-left x-coordinate
sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr2, &x);
if(intErr)
{
return intErr;
}
//for value top-left y-coordinate
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3, &y);
if(intErr)
{
return intErr;
}
//for value of width
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4, &width);
if(intErr)
{
return intErr;
}
//for value of height
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5, &height);
if(intErr)
{
return intErr;
}
if(x>=image.cols || y>=image.rows || x<0 || y<0)
{
sciprint("Invalid x or y value\n");
return 0;
}
if(width<=0 || height<=0 || x+width > image.cols || y+height > image.rows)
{
sciprint("Invalid width or height value\n");
return 0;
}
//defining a temporary rectangle, that denotes the area that has to be cropped into the new image
Rect myROI(x, y, width, height);
// Crop the full image to that image contained by the rectangle myROI
// Note that this doesn't copy the data
Mat croppedRef(image, myROI);
Mat cropped;
// Copy the data into new matrix
croppedRef.copyTo(cropped);
string tempstring = type2str(cropped.type());
char *checker;
checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker,cropped,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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