1 files changed, 121 insertions, 0 deletions
diff --git a/sci_gateway1/cpp/opencv_getrotationmatrix2D.cpp b/sci_gateway1/cpp/opencv_getrotationmatrix2D.cpp
new file mode 100644
index 0000000..5a54ed2
--- /dev/null
+++ b/sci_gateway1/cpp/opencv_getrotationmatrix2D.cpp
@@ -0,0 +1,121 @@
+/********************************************************
+    Author: Shubheksha Jalan
+*********************************************************
+Mat getRotationMatrix2D(Point2f center, double angle, double scale)
+********************************************************/
+
+
+#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_getrotationmatrix2D(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 i,j,k;
+    double centerX, centerY, angle, scale;
+
+     //checking input argument
+    CheckInputArgument(pvApiCtx, 4, 4);
+    CheckOutputArgument(pvApiCtx, 1, 1);
+
+
+     //for x coordinate of center
+    sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr, &centerX);
+    if(intErr)
+    {
+        return intErr;
+    }   
+
+    //for y coordinate of center
+    sciErr = getVarAddressFromPosition(pvApiCtx, 2, &piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr2, &centerY);
+     if(intErr)
+    {
+        return intErr;
+    }   
+
+
+    //for value of angle
+    sciErr = getVarAddressFromPosition(pvApiCtx, 3, &piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr3, &angle);
+    if(intErr)
+    {
+        return intErr;
+    }   
+
+     //for value of scale
+    sciErr = getVarAddressFromPosition(pvApiCtx, 4, &piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr4, &scale);
+    if(intErr)
+    {
+        return intErr;
+    }   
+
+     Point2f center = Point2f(centerX, centerY);
+
+    Mat temp = getRotationMatrix2D(center, angle, scale);
+
+    double *m = (double *)malloc(temp.rows*temp.cols*sizeof(double));
+    for(i=0;i<temp.rows;i++)
+    {
+      for(j=0;j<temp.cols;j++)
+      {
+        uchar intensity = temp.at<uchar>(i, j);
+        *(m + i*temp.cols + j) = intensity;
+      }
+    }
+
+    sciErr = createMatrixOfDouble(pvApiCtx, nbInputArgument(pvApiCtx) + 1, temp.rows, temp.cols, m);
+
+  //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;
+
+  }
+/* ==================================================================== */
+}
+