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/********************************************************
Author: Vinay Bhat
********************************************************
Usage: return_image = bwdistgeodesic(input_image, mask)
********************************************************/
#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_bwdistgeodesic(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr = 0;
int *piAddr = NULL;
//checking input argument
CheckInputArgument(pvApiCtx, 2, 2);
CheckOutputArgument(pvApiCtx, 1, 1);
// Get the input image from the Scilab environment
Mat marker, mask;
retrieveImage(marker, 1);
retrieveImage(mask, 2);
if (marker.type() != CV_8UC1)
{
Mat tempM;
tempM = marker.clone();
cvtColor(tempM, marker, CV_BGR2GRAY);
}
if (mask.type() != CV_8UC1)
{
Mat tempM;
tempM = mask.clone();
cvtColor(tempM, mask, CV_8UC1);
}
int i = 1;
Mat temp0;
Mat temp2 = marker.clone();
Mat fin_image = marker.clone();
do {
temp0 = temp2.clone();
Mat temp1, temp3;
dilate(temp0, temp1, Mat());
min(temp1, mask, temp2);
temp3 = temp2 - temp0;
temp3.convertTo(temp3, CV_32F);
temp3 = temp3 * ((255 - i)/255.0);
temp3.convertTo(temp3, CV_8UC1);
max(fin_image, temp3, fin_image);
i++;
} while((countNonZero(temp0 != temp2) != 0) && (i != 255));
string tempstring = type2str(fin_image.type());
char *checker;
checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker, fin_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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