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/***************************************************
Author : Sukul Bagai
****************************************************
Usage : return_image = morphologyEx(input_image,"<op>",kernel_matrix,anchor_x,anchor_y,iterations,"<bordertype>");
***************************************************/
#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_morphologyEx(char *fname, unsigned long fname_len)
{
SciErr sciErr;
int intErr=0;
int iRows=0,iCols=0;
int *piLen = NULL;
int *piAddr2 = NULL;
int *piAddr3 = NULL;
int *piAddr4 = NULL;
int *piAddr5 = NULL;
int *piAddr6 = NULL;
int *piAddr7 = NULL;
char **op = NULL;
char **borderType = NULL;
int i,j,k;
double *kernel,anchorX,anchorY,iterations,border;
//checking input argument
CheckInputArgument(pvApiCtx, 7, 7);
CheckOutputArgument(pvApiCtx, 1, 1) ;
Mat image;
retrieveImage(image,1);
//for op
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;
}
op = (char**)malloc(sizeof(char*) * iRows * iCols);
for(i = 0 ; i < iRows * iCols ; i++)
op[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
//third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr2, &iRows, &iCols, piLen, op);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//for kernel matrix
sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = getMatrixOfDouble(pvApiCtx, piAddr3, &iRows, &iCols ,&kernel);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
int n=iRows;
double kernelArray[n][n];
//assigning values to actual kernelMatrix
for(i=0;i<n;i++)
for(j=0;j<n;j++)
kernelArray[i][j]=kernel[(i*n)+j];
// converting the array to a matrix, so that we can pass it into the filter2D function
Mat kernelMatrix(n, n, CV_32FC1, &kernelArray);
//for value of anchorX
sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr4, &anchorX);
if(intErr)
return intErr;
//for value of anchorY
sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr5, &anchorY);
if(intErr)
return intErr;
//for value of iterations
sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
intErr = getScalarDouble(pvApiCtx, piAddr6, &iterations);
if(intErr)
return intErr;
//for border
sciErr = getVarAddressFromPosition(pvApiCtx,7, &piAddr7);
if (sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
sciErr = getMatrixOfString(pvApiCtx, piAddr7, &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, piAddr7, &iRows, &iCols, piLen, NULL);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
borderType = (char**)malloc(sizeof(char*) * iRows * iCols);
for(i = 0 ; i < iRows * iCols ; i++)
{
borderType[i] = (char*)malloc(sizeof(char) * (piLen[i] + 1));//+ 1 for null termination
}
//third call to retrieve data
sciErr = getMatrixOfString(pvApiCtx, piAddr7, &iRows, &iCols, piLen, borderType);
if(sciErr.iErr)
{
printError(&sciErr, 0);
return 0;
}
//error check
if(anchorX >= n || anchorY >=n)
{
sciprint("Invalid anchor point given. Centre point (-1,-1) was used instead");
anchorY = -1;
anchorX = -1;
}
Mat new_image(image.rows,image.cols,image.type());
Point pt(anchorX,anchorY);
int actualop;
if(strcmp(op[0],"MORPH_OPEN")==0)
actualop=MORPH_OPEN;
else if(strcmp(op[0],"MORPH_CLOSE")==0)
actualop=MORPH_CLOSE;
else if(strcmp(op[0],"MORPH_GRADIENT")==0)
actualop=MORPH_GRADIENT;
else if(strcmp(op[0],"MORPH_TOPHAT")==0)
actualop=MORPH_TOPHAT;
else if(strcmp(op[0],"MORPH_BLACKHAT")==0)
actualop=MORPH_BLACKHAT;
else
{
sciprint("Invalid type %s used. MORPH_OPEN was used instead by default",op[0]);
actualop = MORPH_OPEN;
}
if(strcmp(borderType[0], "BORDER_CONSTANT") == 0)
border = BORDER_CONSTANT;
else if(strcmp(borderType[0], "BORDER_REPLICATE") == 0)
border = BORDER_REPLICATE;
else if(strcmp(borderType[0], "BORDER_REFLECT") == 0)
border = BORDER_REFLECT;
else if(strcmp(borderType[0], "BORDER_REFLECT_101") == 0)
border = BORDER_REFLECT_101;
else if(strcmp(borderType[0], "BORDER_WRAP") == 0)
border = BORDER_WRAP;
else
border = BORDER_DEFAULT;
//applying function
filter2D(image,new_image,actualop,kernelMatrix,pt,iterations,border);
//returning image
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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