1 files changed, 88 insertions, 0 deletions
diff --git a/sci_gateway/cpp/opencv_bwdistgeodesic.cpp b/sci_gateway/cpp/opencv_bwdistgeodesic.cpp
new file mode 100644
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+++ b/sci_gateway/cpp/opencv_bwdistgeodesic.cpp
@@ -0,0 +1,88 @@
+/********************************************************
+Author: Vinay Bhat
+********************************************************
+Usage: return_image = bwdistgeodesic(input_image, mask)
+********************************************************/
+
+#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_bwdistgeodesic(char *fname, unsigned long fname_len)
+  {
+
+    SciErr sciErr;
+    int intErr = 0;
+    int *piAddr = NULL;
+
+    //checking input argument
+    CheckInputArgument(pvApiCtx, 2, 2);
+    CheckOutputArgument(pvApiCtx, 1, 1);
+
+    // Get the input image from the Scilab environment
+    Mat marker, mask;
+    retrieveImage(marker, 1);
+    retrieveImage(mask, 2);
+
+    if (marker.type() != CV_8UC1)
+    { 
+      Mat tempM;
+      tempM = marker.clone();
+      cvtColor(tempM, marker, CV_BGR2GRAY);
+    }
+
+    if (mask.type() != CV_8UC1)
+    { 
+      Mat tempM;
+      tempM = mask.clone();
+      cvtColor(tempM, mask, CV_8UC1);
+    }
+
+    int i = 1;
+    
+    Mat temp0;
+    Mat temp2 = marker.clone();
+    Mat fin_image = marker.clone();
+
+    do {
+      temp0 = temp2.clone();
+      Mat temp1, temp3;
+      dilate(temp0, temp1, Mat());
+      min(temp1, mask, temp2);
+      temp3 = temp2 - temp0;
+      temp3.convertTo(temp3, CV_32F);
+      temp3 = temp3 * ((255 - i)/255.0);
+      temp3.convertTo(temp3, CV_8UC1);
+      max(fin_image, temp3, fin_image);
+      i++;
+    } while((countNonZero(temp0 != temp2) != 0) && (i != 255));
+
+
+    string tempstring = type2str(fin_image.type());
+    char *checker;
+    checker = (char *)malloc(tempstring.size() + 1);
+    memcpy(checker, tempstring.c_str(), tempstring.size() + 1);
+    returnImage(checker, fin_image, 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;
+
+  }
+/* ==================================================================== */
+}