1 files changed, 129 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_convmtx2.cpp b/sci_gateway/cpp/opencv_convmtx2.cpp
new file mode 100644
index 0000000..81d7473
--- /dev/null
+++ b/sci_gateway/cpp/opencv_convmtx2.cpp
@@ -0,0 +1,129 @@
+/***************************************************
+Author : Yash S. Bhalgat
+****************************************************
+Usage : T = convmtx2(H, m, n);
+Example:
+	
+***************************************************/
+
+#include <numeric>
+#include <limits>
+#include "opencv2/core/core.hpp"
+#include "opencv2/highgui/highgui.hpp"
+#include "opencv2/opencv.hpp"
+#include <iostream>
+#include <stdio.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_convmtx2(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    int iRows=0,iCols=0;
+    int *piAddr2  = NULL;
+    int *piAddr3  = NULL;
+    int i,j,k;
+    double m, n;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 3, 3);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    Mat H;
+    retrieveImage(H,1);
+
+    //for value of m
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr2, &m);
+    if(intErr)
+        return intErr;
+
+    //for value of n
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3, &n);
+    if(intErr)
+        return intErr;
+
+
+    //taking the cases which can lead to an error
+    
+    int s1 = H.rows;
+	int s2 = H.cols;
+    
+    Mat T;
+    T = Mat::zeros((m-s1+1)*(n-s2+1),m*n,H.type());
+    
+    if(m<H.rows)
+    {
+        sciprint("m should be greater than filter height");
+        m = H.rows;
+    }
+    if(n<H.cols)
+    {
+        sciprint("n should be greater than filter width");
+        n = H.cols;
+    }
+
+
+    //my function called
+    //my_convmtx2(H, T, m, n);
+    k = 0;
+
+	for(int i=0;i<m-s1+1;i++){
+		for(int j=0;j<n-s2+1;j++){
+			for(int p=0;p<s1;p++){
+				Mat roiPart1 = H.rowRange(p,p+1).colRange(0,s2);
+				Mat roiPart2 = T.rowRange(k,k+1).colRange((i+p)*n+j,(i+p)*n+j+s2);
+				roiPart1.copyTo(roiPart2);
+//				for(int q=0;q<s2;q++)
+//					T.at<double>(k,(i+p)*n+j+q)=H.at<double>(p,q);
+			}
+			k++;
+		}
+	}
+    
+    //printf("%f %f %f" , H.at<double>(0,0), H.at<double>(1,1), H.at<double>(2,2));
+    
+    //namedWindow( "Display window", WINDOW_AUTOSIZE );// Create a window for display.
+    //imshow( "Display window", T ); 
+        
+    //returning image
+    string tempstring = type2str(T.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker,T,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;
+
+  }
+/* ==================================================================== */
+}
+