ьфлу opencv_cudaarithm dependency for xfeatures2d optional

RFFeatureGetter* ->  Ptr<RFFeatureGetter> (need this for python wrapper and proper pointer handling)

Author: Alexander Mordvintsev

modules/xfeatures2d/CMakeLists.txt

@@ -1,2 +1,2 @@
 set(the_description "Contributed/Experimental Algorithms for Salient 2D Features Detection")
-ocv_define_module(xfeatures2d opencv_core opencv_cudaarithm opencv_imgproc opencv_features2d opencv_calib3d opencv_shape opencv_highgui opencv_videoio opencv_ml)
+ocv_define_module(xfeatures2d opencv_core opencv_imgproc opencv_features2d opencv_calib3d opencv_shape opencv_highgui opencv_videoio opencv_ml OPTIONAL opencv_cudaarithm)

modules/ximgproc/include/opencv2/ximgproc/structured_edge_detection.hpp

@@ -107,7 +107,7 @@ class CV_EXPORTS_W StructuredEdgeDetection : public Algorithm
      * \param dst : destination image (grayscale, float, in [0;1])
      *              where edges are drawn
      */
-    CV_WRAP virtual void detectEdges(const Mat &src, Mat &dst) const = 0;
+    CV_WRAP virtual void detectEdges(const Mat &src, CV_OUT Mat &dst) const = 0;
 };
 
 /*!
@@ -119,7 +119,7 @@ class CV_EXPORTS_W StructuredEdgeDetection : public Algorithm
 *                           own forest, pass NULL otherwise
 */
 CV_EXPORTS_W Ptr<StructuredEdgeDetection> createStructuredEdgeDetection(const String &model,
-    const RFFeatureGetter *howToGetFeatures = NULL);
+    Ptr<const RFFeatureGetter> howToGetFeatures = Ptr<RFFeatureGetter>());
 
 }
 }

modules/ximgproc/src/structured_edge_detection.cpp

@@ -339,9 +339,9 @@ class StructuredEdgeDetectionImpl : public StructuredEdgeDetection
      * \param filename : name of the file where the model is stored
      */
     StructuredEdgeDetectionImpl(const cv::String &filename,
-        const RFFeatureGetter *_howToGetFeatures)
+        Ptr<const RFFeatureGetter> _howToGetFeatures)
         : name("StructuredEdgeDetection"),
-          howToGetFeatures( _howToGetFeatures != NULL
+          howToGetFeatures( (!_howToGetFeatures.empty())
                           ? _howToGetFeatures
                           : createRFFeatureGetter() )
     {
@@ -631,7 +631,7 @@ class StructuredEdgeDetectionImpl : public StructuredEdgeDetection
     String name;
 
     /*! optional feature getter (getFeatures method) */
-    const RFFeatureGetter *howToGetFeatures;
+    Ptr<const RFFeatureGetter> howToGetFeatures;
 
     /*! random forest used to detect edges */
     struct RandomForest
@@ -684,7 +684,7 @@ class StructuredEdgeDetectionImpl : public StructuredEdgeDetection
 };
 
 Ptr<StructuredEdgeDetection> createStructuredEdgeDetection(const String &model,
-    const RFFeatureGetter *howToGetFeatures)
+    Ptr<const RFFeatureGetter> howToGetFeatures)
 {
         return makePtr<StructuredEdgeDetectionImpl>(model, howToGetFeatures);
 }