1 files changed, 62 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_imcontour.cpp b/sci_gateway/cpp/opencv_imcontour.cpp
new file mode 100644
index 0000000..7d6a83b
--- /dev/null
+++ b/sci_gateway/cpp/opencv_imcontour.cpp
@@ -0,0 +1,62 @@
+/********************************************************
+Function   :imcontour
+Syntax     :B=imcontour(A)
+Author: Tess  Zacharias
+
+********************************************************/
+
+#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_imcontour(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    Mat gray,image;
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 1, 1);
+    CheckOutputArgument(pvApiCtx, 1, 1) ;
+    retrieveImage(image, 1);
+    cvtColor(image, gray, CV_BGR2GRAY);
+    Canny(gray, gray, 100, 200, 3);
+    /// Find contours   
+    vector<vector<Point> > contours;
+    vector<Vec4i> hierarchy;
+    RNG rng(12345);
+    findContours( gray, contours, hierarchy, CV_RETR_TREE, CV_CHAIN_APPROX_SIMPLE, Point(0, 0) );
+    /// Draw contours
+    Mat drawing = Mat::zeros( gray.size(), CV_8UC3 );
+    for( int i = 0; i< contours.size(); i++ )
+    {
+        Scalar color = Scalar(rng.uniform(0,255),rng.uniform(0,255),rng.uniform(0,255));
+        drawContours( drawing, contours, i, color, 1, 8, hierarchy, 0, Point());
+    } 
+    bitwise_not(drawing,drawing);    
+    string tempstring = type2str(drawing.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker,drawing,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;
+
+  }
+}