1 files changed, 81 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_imrotate.cpp b/sci_gateway/cpp/opencv_imrotate.cpp
new file mode 100644
index 0000000..074101c
--- /dev/null
+++ b/sci_gateway/cpp/opencv_imrotate.cpp
@@ -0,0 +1,81 @@
+/* ==================================================================== */
+/* Author :Priyanka Hiranandani NIT Surat                               */
+/* ==================================================================== */
+/* Syntax : rotated_image=imrotate(sourcrimage,angle);                                                          */
+/* ==================================================================== */
+#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 opencv_imrotate(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* piAddrNew            = NULL;
+	int* piLen		= NULL;
+	double pstData;
+        int* pstData2    	= NULL;
+        double *rrows;
+        double *rcols;
+        int error;
+   //function to check number of input variable 
+        CheckInputArgument(pvApiCtx, 2, 2);
+   //function to check number of output variable
+           CheckOutputArgument(pvApiCtx, 1, 1);
+   // get Address of first input 
+           Mat img; 
+           retrieveImage(img,1); 
+        //second argument
+           //fetching address of second argument
+           sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+           //checking for error if any
+           if (sciErr.iErr)
+           {
+           printError(&sciErr, 0);
+           return 0;
+           }
+           //this function will fetch second argument i.e angle
+           error=getScalarDouble(pvApiCtx,piAddr2,&pstData); 
+           if(error!=0)
+           {
+                  sciprint("error in retrieving second argument");
+           }        
+        //creating distination matrix 
+           Mat dst;
+        //following set of functions for image rotation
+           Point2f pt((img.cols)/2., (img.rows)/2.);    
+           Mat r1 = getRotationMatrix2D(pt, pstData, 1.0);
+           warpAffine(img, dst, r1, Size(dst.cols, dst.rows));
+        //Since we need to pass a single pointer as an arguement, for a 2-D matrix, we define it in this manner
+           string tempstring = type2str(dst.type());
+           char* checker = (char *)malloc(tempstring.size() + 1);
+           memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+           returnImage(checker,dst,1);
+       //returning output arguments
+           AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1;
+           ReturnArguments(pvApiCtx);
+           return 0;
+     
+   
+   
+ }
+}