1 files changed, 142 insertions, 0 deletions
diff --git a/sci_gateway1/cpp/opencv_getrectsubpix.cpp b/sci_gateway1/cpp/opencv_getrectsubpix.cpp
new file mode 100644
index 0000000..2f6e835
--- /dev/null
+++ b/sci_gateway1/cpp/opencv_getrectsubpix.cpp
@@ -0,0 +1,142 @@
+/********************************************************
+    Author: Shubheksha Jalan
+*********************************************************
+ void getRectSubPix(InputArray image, Size patchSize, Point2f center, OutputArray patch, int patchType=-1 )¶
+********************************************************/
+
+
+#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_getrectsubpix(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr=0;
+    int iRows=0,iCols=0;
+    int *piLen = NULL;
+    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 i,j,k;
+    double centerX, centerY, alpha, beta, patchType;
+ 
+
+     //checking input argument
+    CheckInputArgument(pvApiCtx, 6, 6);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+
+    Mat image;
+    retrieveImage(image,1);
+
+    //for first value of size
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr2, &alpha);
+     if(intErr)
+    {
+        return intErr;
+    }   
+
+
+    //for second value of size
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr3, &beta);
+    if(intErr)
+    {
+        return intErr;
+    }   
+
+     //for x coordinate of center
+    sciErr = getVarAddressFromPosition(pvApiCtx, 4, &piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+     intErr = getScalarDouble(pvApiCtx, piAddr4, &centerX);
+    if(intErr)
+    {
+        return intErr;
+    }   
+
+     //for y coordinate of center
+    sciErr = getVarAddressFromPosition(pvApiCtx, 5, &piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr5, &centerY);
+    if(intErr)
+    {
+        return intErr;
+    }   
+     
+
+      //for patchType
+    sciErr = getVarAddressFromPosition(pvApiCtx, 6, &piAddr6);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr6, &patchType);
+    if(intErr)
+    {
+        return intErr;
+    }
+
+
+    Size patchSize = Size(alpha, beta);
+
+    Point2f center = Point2f(centerX, centerY);
+
+    Mat patch;
+
+    getRectSubPix(image, patchSize, center, patch, patchType);   
+     
+
+    String tempstring = type2str(patch.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker, patch, 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;
+
+  }
+/* ==================================================================== */
+}