First CommitHEADmaster

1 files changed, 278 insertions, 0 deletions

diff --git a/sci_gateway/cpp/opencv_ellipse.cpp b/sci_gateway/cpp/opencv_ellipse.cpp
new file mode 100644
index 0000000..092ab78
--- /dev/null
+++ b/sci_gateway/cpp/opencv_ellipse.cpp
@@ -0,0 +1,278 @@
+/********************************************************
+    Author: Sukul Bagai
+*********************************************************
+   return_image = ellipse(input_image , x_coordinate_of_centre , y_coordinate_centre , first_axis, second_axis, angle, startAngle, endAngle, r_value,g_value,b_value,thickness,linetype,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_ellipse(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr=0;
+    int iRows=0,iCols=0;
+    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 *piAddr9  = NULL;
+    int *piAddr10  = NULL;
+    int *piAddr11  = NULL;
+    int *piAddr12  = NULL;
+    int *piAddr13  = NULL;
+    int *piAddr14  = NULL;
+    int i,j,k;
+    double thickness=1 , linetype=8, shift=0 ,centre_x ,centre_y,first_axis,second_axis,angle,startAngle,endAngle,r_value,g_value,b_value;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 14, 14);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+    
+    Mat src;
+    retrieveImage(src,1);
+   
+    //for value of x coordinate of centre
+    sciErr = getVarAddressFromPosition(pvApiCtx,2,&piAddr2);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr2,&centre_x);
+    if(intErr)
+        return intErr;
+   
+
+    //for value of y coordinate of centre
+    sciErr = getVarAddressFromPosition(pvApiCtx,3,&piAddr3);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr3,&centre_y);
+     if(intErr)
+        return intErr;
+
+    //for value of first_axis
+    sciErr = getVarAddressFromPosition(pvApiCtx,4,&piAddr4);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr4,&first_axis);
+   if(intErr)
+        return intErr;
+
+    //for value of second_axis
+    sciErr = getVarAddressFromPosition(pvApiCtx,5,&piAddr5);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr5,&first_axis);
+   if(intErr)
+        return intErr;
+
+    //for value of angle
+    sciErr = getVarAddressFromPosition(pvApiCtx,6,&piAddr6);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr6,&angle);
+   if(intErr)
+        return intErr;
+
+    //for value of startAngle
+    sciErr = getVarAddressFromPosition(pvApiCtx,7,&piAddr7);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr7,&startAngle);
+   if(intErr)
+        return intErr;
+
+    //for value of endAngle
+    sciErr = getVarAddressFromPosition(pvApiCtx,8,&piAddr8);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr8,&endAngle);
+   if(intErr)
+        return intErr;
+
+    //for value of R value of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,9,&piAddr9);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr9 ,&r_value);
+    if(intErr)
+        return intErr;
+
+      //for value of G value of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,10,&piAddr10);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr10 ,&g_value);
+     if(intErr)
+        return intErr;
+
+    // for B value of colour
+    sciErr = getVarAddressFromPosition(pvApiCtx,11,&piAddr11);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr11,&b_value);
+     if(intErr)
+        return intErr;
+
+    // for thickness of circle  default: 1
+    sciErr = getVarAddressFromPosition(pvApiCtx,12,&piAddr12);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr12,&thickness);
+    if(intErr)
+        return intErr;
+
+      //for line type of circle default: 8 
+    sciErr = getVarAddressFromPosition(pvApiCtx,13,&piAddr13);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+  
+    intErr = getScalarDouble(pvApiCtx, piAddr13,&linetype);
+    if(intErr)
+        return intErr;
+
+ // for shift in circle default : 0
+     sciErr = getVarAddressFromPosition(pvApiCtx,14,&piAddr14);
+    if (sciErr.iErr)
+    {
+        printError(&sciErr, 0);
+        return 0;
+    }
+    intErr = getScalarDouble(pvApiCtx, piAddr14,&shift);
+    if(intErr)
+        return intErr;
+   
+    // checking radius parameter 
+    if (first_axis < 0)
+    {
+        first_axis=3;
+        sciprint("first_axis should be positive , 3 value was used instead\n");
+    }
+    if (second_axis < 0)
+    {
+        second_axis=3;
+        sciprint("second_axis should be positive , 3 value was used instead\n");
+    }
+    if (first_axis < second_axis)
+    { 
+        double temp;
+        temp=first_axis;
+        first_axis=second_axis;
+        second_axis=temp;
+        sciprint("first_axis should be greater than second_axis. Values swapped.\n");
+    }
+    if(angle < 0 || angle > 360)
+    {
+      angle=45;
+      sciprint("Imvalid angle value used. Using 45 instead");
+    }
+    if(startAngle < 0 || startAngle > 360)
+    {
+      startAngle=45;
+      sciprint("Imvalid startAngle value used. Using 120 instead");
+    }
+    if(endAngle < 0 || endAngle > 360)
+    {
+      endAngle=45;
+      sciprint("Imvalid endAngle value used. Using 120 instead");
+    }
+    // checking the parmeters for correct values   
+    if( r_value <0 || r_value >255)
+     {
+          r_value=0;
+          sciprint(" r value of colour should be between 0 and 255 , using 0 instead\n");
+     }
+     if( g_value <0 || g_value >255)
+     {
+          g_value=0;
+          sciprint("  g value of colour should be between 0 and 255 , using 0 instead\n");
+     }
+    if( b_value <0 || b_value >255)
+     {
+          b_value=0;
+          sciprint(" b value of colour should be between 0 and 255 , using 0 instead\n");
+     }
+    if ((linetype!=0) && (linetype!=4)&& (linetype!=8))
+    {
+             linetype=8;
+             sciprint("Only 0/4/8 allowed , using 8 instead\n");
+     }
+    //temporary pt variable, to use in function as centre
+    Point pt(centre_x,centre_y);
+    Size sz(first_axis,second_axis);
+      /// Draw the circles detected
+   
+    ellipse( src, pt, sz, angle, startAngle, endAngle, Scalar(r_value,g_value,b_value), thickness, linetype, shift);
+     
+//// sending the image
+    string tempstring = type2str(src.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker,src,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;
+
+
+ }
+
+}
+