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/********************************************************
Author: Sukul Bagai
*********************************************************
return_image = laplacian(input_image , depth , ksize , scale, delta);
********************************************************/
#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_laplacian(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr=0;
int iRows=0,iCols=0;
int *piLen = NULL;
int *piAddr = NULL;
int *piAddrNew = NULL;
int *piAddr2 = NULL;
int *piAddr3 = NULL;
int *piAddr4 = NULL;
int *piAddr5 = NULL;
int *piAddr6 = NULL;
int *piAddr7 = NULL;
char **ddepth = NULL;
int i,j,k;
double ksize,scale,delta;
//checking input argument
CheckInputArgument(pvApiCtx, 5, 5);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat image;
retrieveImage(image,1);
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//Now, we will retrieve the string from the input parameter. For this, we will require 3 calls
//first call to retrieve dimensions
sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, NULL, NULL);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
piLen = (int*)malloc(sizeof(int) * iRows * iCols);
//second call to retrieve length of each string
sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, NULL);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
ddepth = (char**)malloc(sizeof(char*) * iRows * iCols);
for(i = 0 ; i < iRows * iCols ; i++)
ddepth[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
//third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, ddepth);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//for value of ksize
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr3 ,&ksize);
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;
//for value of delta
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5 ,&delta);
if(intErr)
return intErr;
Mat new_image(image.rows,image.cols,CV_8UC3);
if((int)ksize!=1 && (int)ksize!=3 && (int)ksize!=5 && (int)ksize!=7)
{
sciprint("Value of 1,3,5,7 Required for ksize. Default value of 3 was used instead");
ksize=3;
}
if(strcmp(ddepth[0],"CV_8U")==0)
Laplacian(image,new_image,CV_8U,ksize,scale,delta);
else if(strcmp(ddepth[0],"CV_16U")==0)
Laplacian(image,new_image,CV_16U,ksize,scale,delta);
else if(strcmp(ddepth[0],"CV_16S")==0)
Laplacian(image,new_image,CV_16S,ksize,scale,delta);
else if(strcmp(ddepth[0],"CV_32F")==0)
Laplacian(image,new_image,CV_32F,ksize,scale,delta);
else if(strcmp(ddepth[0],"CV_64F")==0)
Laplacian(image,new_image,CV_64F,ksize,scale,delta);
else
{
Laplacian(image,new_image,CV_8U,ksize,scale,delta);
sciprint("Wrong depth given,using CV_8U instead");
}
string tempstring = type2str(new_image.type());
char *checker;
checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker,new_image,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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