1 files changed, 125 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_fitellipse.cpp b/sci_gateway/cpp/opencv_fitellipse.cpp
new file mode 100644
index 0000000..5964c62
--- /dev/null
+++ b/sci_gateway/cpp/opencv_fitellipse.cpp
@@ -0,0 +1,125 @@
+/* ==================================================================== */
+/* Author :Priyanka Hiranandani NIT Surat                               */
+/* ==================================================================== */
+/* Syntax : [a,b,c,e,f]=fitellipse((InputArray points); 
+a,b,c,d,e are parameters of rotated rect returned
+/* ==================================================================== */
+#include <numeric>
+#include "opencv2/core/core.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include "opencv2/opencv.hpp"
+#include <iostream>
+#include <sciprint.h>
+using namespace cv;
+using namespace std;
+  extern "C"
+  {
+  #include "api_scilab.h"
+  #include "Scierror.h"
+  #include "BOOL.h"
+  #include <localization.h>
+  #include "../common.h"
+  int fitellipse(char *fname, unsigned long fname_len)
+    {
+    // Error management variable
+        SciErr sciErr;
+    //variable info
+	int iRows		= 0;
+	int iCols		= 0;
+        int piRows		= 0;
+	int piCols		= 0;
+	int* piAddr		= NULL;
+        int* piAddr2            = NULL;
+        int* piAddr3            = NULL;
+        int* piAddr4            = NULL;
+        int* piAddr5            = NULL;
+        int* piAddr6            = NULL;
+        int* piAddrNew            = NULL;
+	int* piLen		= NULL;
+	double* pstData	        = NULL;
+        int* pstData2    	= NULL;
+        double *rrows;
+        double *rcols;
+        double sigmaSpace;
+        int error;
+         ////checking input argument 
+        CheckInputArgument(pvApiCtx,1,1);
+         //checking output argument
+        CheckOutputArgument(pvApiCtx,5,5);
+         //for first argument 
+         // get Address of first input  
+        sciErr = getVarAddressFromPosition(pvApiCtx,1,&piAddr);
+         //check for any error
+             if(sciErr.iErr)   
+               {
+               printError(&sciErr, 0);
+               return 0;
+               }      
+           //retrieve input array
+          //SciErr getMatrixOfDouble(void* _pvCtx, int* _piAddress, int* _piRows, int* _piCols, double** _pdblReal)
+        sciErr = getMatrixOfDouble(pvApiCtx, piAddr, &iRows, &iCols,&pstData);
+             if(sciErr.iErr)
+               {
+               printError(&sciErr, 0);
+               return 0;
+               }
+        int k=0;
+        vector<Point> contours;
+        for(int i=0;i<iCols;i++)
+         {
+                  
+               contours.push_back(Point2f(pstData[i],pstData[i+1])) ;   
+               i++;
+         }
+       RotatedRect rect;
+       rect=fitEllipse(contours);
+       double size1,size2,center1,center2,angle;
+       //from rotated rect datatype we can fetch required size,point,angle
+       Size2f sz;      //size2f function for floating point values 
+       Point2f cen;
+       sz=rect.size;
+       cen=rect.center;
+       angle=rect.angle;
+       size1=sz.width;
+       size2=sz.height;
+       center1=cen.x;
+       center2=cen.y;
+             
+        error=createScalarDouble(pvApiCtx,nbInputArgument(pvApiCtx)+1,size1);
+         if(error!=0)
+         {
+           sciprint("error occurred");
+           return 0;    
+         }  
+        error=createScalarDouble(pvApiCtx,nbInputArgument(pvApiCtx)+2,size2);
+         if(error!=0)
+         {
+           sciprint("error occurred");
+           return 0;    
+         }  
+        error=createScalarDouble(pvApiCtx,nbInputArgument(pvApiCtx)+3,center1);
+         if(error!=0)
+         {
+           sciprint("error occurred");
+           return 0;    
+         }   
+        error=createScalarDouble(pvApiCtx,nbInputArgument(pvApiCtx)+4,center2);
+         if(error!=0)
+         {
+           sciprint("error occurred");
+           return 0;    
+         }   
+        error=createScalarDouble(pvApiCtx,nbInputArgument(pvApiCtx)+5,angle);
+         if(error!=0)
+         {
+           sciprint("error occurred");
+           return 0;    
+         }     
+        AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
+        AssignOutputVariable(pvApiCtx, 2) = nbInputArgument(pvApiCtx) + 2;
+        AssignOutputVariable(pvApiCtx, 3) = nbInputArgument(pvApiCtx) + 3;
+        AssignOutputVariable(pvApiCtx, 4) = nbInputArgument(pvApiCtx) + 4;
+        AssignOutputVariable(pvApiCtx, 5) = nbInputArgument(pvApiCtx) + 5;
+        ReturnArguments(pvApiCtx);      
+}
+}