Update edge_drawing.cpp

Author: sturkmen72

modules/ximgproc/src/edge_drawing.cpp

@@ -23,6 +23,7 @@ int gradThresh;
 int op;
 bool SumFlag;
 int* grads;
+bool PFmode;
 };
 
 void ComputeGradientBody::operator() (const Range& range) const
@@ -78,7 +79,7 @@ void ComputeGradientBody::operator() (const Range& range) const
 
             gradRow[x] = (short)sum;
 
-            if (op == EdgeDrawing::PREWITT)
+            if (PFmode)
                 grads[(int)sum]++;
 
             if (sum >= gradThresh)
@@ -351,13 +352,6 @@ void EdgeDrawingImpl::detectEdges(InputArray src)
     anchorThresh = params.AnchorThresholdValue;
     op = params.EdgeDetectionOperator;
 
-    if (params.PFmode)
-    {
-        op = PREWITT;
-        gradThresh = 11;
-        anchorThresh = 3;
-    }
-
     // Check parameters for sanity
     if (op < 0 || op > 3)
         op = 0;
@@ -444,7 +438,7 @@ void EdgeDrawingImpl::getEdgeImage(OutputArray _dst)
 void EdgeDrawingImpl::getGradientImage(OutputArray _dst)
 {
     if (!gradImage.empty())
-        convertScaleAbs(gradImage, _dst);
+        gradImage.copyTo(_dst);
 }
 
 std::vector<std::vector<Point> > EdgeDrawingImpl::getSegments()
@@ -473,6 +467,7 @@ void EdgeDrawingImpl::ComputeGradient()
     body.SumFlag = params.SumFlag;
     body.op = op;
     body.grads = grads;
+    body.PFmode = params.PFmode;
 
     parallel_for_(Range(1, smoothImage.rows - 1), body);
 }