1 files changed, 173 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_fillconvexpoly.cpp b/sci_gateway/cpp/opencv_fillconvexpoly.cpp
new file mode 100644
index 0000000..1ce29c6
--- /dev/null
+++ b/sci_gateway/cpp/opencv_fillconvexpoly.cpp
@@ -0,0 +1,173 @@
+/*************************************************
+Authors : Abhilasha Sancheti & Sukul Bagai
+**************************************************
+ sample inputs : b=fillconvexpoly(a,points,4,0,0,0,8,0);       (points: [0 0;0 100;100 0; 100 100])
+ fillConvexpoly( image , points , r_value , g_value , b_value , linrtype,shift);
+*************************************************/
+
+#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_fillconvexpoly(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    int iRows=0,iCols=0;
+    int *piAddr = NULL;
+    int *piAddrNew = NULL;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int *piAddr4  = NULL;
+    int *piAddr5  = NULL;
+    int *piAddr6  = NULL;
+    int *piAddr7  = NULL;
+    int *piAddr8  = NULL;
+    int i,j,k ;
+    double *pstData = NULL;
+    double npts ,r_value,g_value ,b_value ,linetype=8 ,shift=0;
+    
+ 
+   
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 8, 8);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    
+//retreive the value of clockwise parameter 
+    Mat image;
+    retrieveImage(image,1);
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    sciErr = getMatrixOfDouble(pvApiCtx, piAddr2, &iRows, &iCols, &pstData);
+    if(sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    } 
+///// store values in a contour
+    
+    Point *pts = (Point *)malloc(iRows * 2 * sizeof(double));
+    for ( i = 0 ; i < iRows ; i++)
+    {
+          pts[i].x = *(pstData + i);
+          pts[i].y = *(pstData + 1*iRows + i);
+    }
+   
+  /// to retrieve the number of points         
+     sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3, &npts);
+    if(intErr)
+    {
+       return intErr;
+    } 
+       
+//// to retreive the value of r_value
+        sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4, &r_value);
+    if(intErr)
+    {
+       return intErr;
+    } 
+ /// to retreive the value of g_value
+        sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr5, &g_value);
+    if(intErr)
+    {
+       return intErr;
+    } 
+  
+  /// to retreive the value of b_value
+        sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr6, &b_value);
+    if(intErr)
+    {
+       return intErr;
+    } 
+  /// to retreive the value of linetype
+        sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr7, &linetype);
+    if(intErr)
+    {
+       return intErr;
+    } 
+/// to retreive the value of shift
+        sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr8, &shift);
+    if(intErr)
+    {
+       return intErr;
+    } 
+    
+   
+
+	 // call the fillconvexpoly function of opencv
+    fillConvexPoly(image,pts,npts,Scalar(r_value,g_value,b_value),linetype,shift);
+   
+     //temp variable was not needed, hence has been discarded
+    string tempstring = type2str(image.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker,image,1); //here, remove the temp as a parameter as it is not needed, and instead add 1 as the third parameter. 1 denotes that the first output       argument will be this variable
+    free(checker); //free memory taken up by 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;
+
+
+ }
+
+}