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/********************************************************
Author: V Srinivas
*********************************************************
void cvtColor(InputArray src, int code, int dstCn=0 )
********************************************************/
//Demosaicing using cvt color filter
#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 "sciprint.h"
#include "BOOL.h"
#include <localization.h>
#include "../common.h"
int opencv_demosaic(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr;
int iRows=0,iCols=0;
int *piAddr2 = NULL;
int *piAddr3 = NULL;
int *piAddr4 = NULL;
int *piLen = NULL;
double dstCn;
int code;
char **codeString = NULL;
int i, j, k;
//checking input argument
CheckInputArgument(pvApiCtx, 2,2);
CheckOutputArgument(pvApiCtx, 1,1) ;
Mat src;
retrieveImage(src,1);
sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return -1;
}
//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 -1;
}
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 -1;
}
codeString = (char**)malloc(sizeof(char*) * iRows * iCols);
for(i = 0 ; i < iRows * iCols ; i++)
codeString[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
//third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, codeString);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
Mat dst;
if(strcmp(codeString[0], "gbrg") == 0)
code = CV_BayerGR2RGB;
else if(strcmp(codeString[0], "bggr") == 0)
code = CV_BayerRG2RGB;
else if(strcmp(codeString[0], "rggb") == 0)
code = CV_BayerBG2RGB;
else if(strcmp(codeString[0], "grbg") == 0)
code = CV_BayerGB2RGB;
else{
sciprint("Invalid Bayer filter code");
return 0;
}
cvtColor(src, dst, code, 0);
// namedWindow ("window", 1);
// imshow("window", dst);
// waitKey(0);
// destroyWindow("window");
string tempstring = type2str(dst.type());
char *checker;
checker = (char *)malloc(tempstring.size() + 1);
memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
returnImage(checker,dst,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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