1 files changed, 117 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_erode.cpp b/sci_gateway/cpp/opencv_erode.cpp
new file mode 100644
index 0000000..fd12082
--- /dev/null
+++ b/sci_gateway/cpp/opencv_erode.cpp
@@ -0,0 +1,117 @@
+#include <numeric>
+#include "opencv2/core/core.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include "opencv2/opencv.hpp"
+#include <iostream>
+#include <math.h>
+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_erode(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;
+    char **type = NULL;
+    int i,j,k;
+    double anchorX,anchorY,iterations;
+    double *kernel;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 5, 5);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    Mat image;
+    retrieveImage(image,1);
+
+    //for kernel
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    sciErr = getMatrixOfDouble(pvApiCtx, piAddr2, &iRows, &iCols, &kernel);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr,0);
+        return 0;
+    }
+
+    double actualkernel[iRows][iCols];
+    for(i=0;i<iRows;i++)
+        for(j=0;j<iCols;j++)
+            actualkernel[i][j]=kernel[(j*iRows)+i];
+
+    Mat kernelMatrix(iRows,iCols,CV_64F,&actualkernel);
+
+    //for value of anchorX
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3 ,&anchorX);
+    if(intErr)
+        return intErr;
+
+    //for value of anchorY
+    sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4 ,&anchorY);
+    if(intErr)
+        return intErr;
+
+    //for value of iterations
+    sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr5 ,&iterations);
+    if(intErr)
+        return intErr;
+
+    Mat new_image(image.rows,image.cols,image.type());
+    Point pt(anchorX,anchorY);
+
+    erode(image,new_image,kernelMatrix,pt,iterations);
+
+    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;
+
+  }
+/* ==================================================================== */
+}