1 files changed, 132 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_gaussianblur.cpp b/sci_gateway/cpp/opencv_gaussianblur.cpp
new file mode 100644
index 0000000..f81885e
--- /dev/null
+++ b/sci_gateway/cpp/opencv_gaussianblur.cpp
@@ -0,0 +1,132 @@
+/***************************************************
+Author : Sukul Bagai
+****************************************************
+Usage : return_image = gaussianblur(input_image,ksize_height,ksize_width,sigmaX,sigmaY);
+***************************************************/
+
+#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_gaussianblur(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    int iRows=0,iCols=0;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int *piAddr4  = NULL;
+    int *piAddr5  = NULL;
+    int i,j,k;
+    double ksize_width,ksize_height,sigmaX,sigmaY;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 5, 5);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    Mat image;
+    retrieveImage(image,1);
+
+    //for value of ksize_height
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr2, &ksize_height);
+    if(intErr)
+        return intErr;
+
+    //for value of ksize_width
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3, &ksize_width);
+    if(intErr)
+        return intErr;
+
+    //for value of sigmaX
+    sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4, &sigmaX);
+    if(intErr)
+        return intErr;
+
+    //for value of sigmaY
+    sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr5, &sigmaY);
+    if(intErr)
+        return intErr;
+
+    //applying checks to input parameters, and assigning default values in case of error
+    Mat new_image(image.rows,image.cols,CV_8UC3);
+    if(ksize_height<0)
+    {
+        sciprint("Positive Value Required for Height. 1 value was used instead");
+        ksize_height=1;
+    }
+    if(ksize_width<0)
+    {
+        sciprint("Positive Value Required for Width. 1 value was used instead");
+        ksize_width=1;
+    }
+    if((int)ksize_height%2==0)
+    {
+        ksize_height+=1;
+        sciprint("Odd Value Required for Height. %f value was used instead",&ksize_height);
+    }
+    if((int)ksize_width%2==0)
+    {
+        ksize_width+=1;
+        sciprint("Odd Value Required for Width. %f value was used instead",&ksize_width);
+    }
+
+    //temporary size variable, to use in function
+    Size sz(ksize_height,ksize_width);
+
+    //void GaussianBlur(InputArray src, OutputArray dst, Size ksize, double sigmaX, double sigmaY=0, int borderType=BORDER_DEFAULT )
+    GaussianBlur(image,new_image,sz,sigmaX,sigmaY);
+
+    //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;
+
+  }
+/* ==================================================================== */
+}