samples: avoid using of legacy code constructions in viz sample

53944cbe · Alexander Alekhin · 9558a35c · 53944cbe
Commit 53944cbe authored Apr 03, 2018 by Alexander Alekhin
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histo3D.cpp samples/cpp/tutorial_code/viz/histo3D.cpp +1 -1

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--- a/samples/cpp/tutorial_code/viz/histo3D.cpp
+++ b/samples/cpp/tutorial_code/viz/histo3D.cpp
@@ -163,7 +163,7 @@ int main (int argc,char **argv)
    waitKey(30);
    //! [slide_bar_for_thresh]
    //! [manage_viz_imshow_window]
-    h.fen3D = new viz::Viz3d("3D Histogram");
+    h.fen3D = makePtr<viz::Viz3d>("3D Histogram");
    h.nbWidget=0;
    h.fen3D->registerKeyboardCallback(KeyboardViz3d,&h);
    DrawHistogram3D(h);