chore: import upstream snapshot with attribution

modules/stitching/misc/python/pyopencv_stitching.hpp

@@ -0,0 +1,49 @@
+#ifdef HAVE_OPENCV_STITCHING
+
+typedef Stitcher::Status Status;
+typedef Stitcher::Mode Mode;
+
+typedef std::vector<detail::ImageFeatures> vector_ImageFeatures;
+typedef std::vector<detail::MatchesInfo> vector_MatchesInfo;
+typedef std::vector<detail::CameraParams> vector_CameraParams;
+
+template<> struct pyopencvVecConverter<detail::ImageFeatures>
+{
+    static bool to(PyObject* obj, std::vector<detail::ImageFeatures>& value, const ArgInfo& info)
+    {
+        return pyopencv_to_generic_vec(obj, value, info);
+    }
+
+    static PyObject* from(const std::vector<detail::ImageFeatures>& value)
+    {
+        return pyopencv_from_generic_vec(value);
+    }
+};
+
+template<> struct pyopencvVecConverter<detail::MatchesInfo>
+{
+    static bool to(PyObject* obj, std::vector<detail::MatchesInfo>& value, const ArgInfo& info)
+    {
+        return pyopencv_to_generic_vec(obj, value, info);
+    }
+
+    static PyObject* from(const std::vector<detail::MatchesInfo>& value)
+    {
+        return pyopencv_from_generic_vec(value);
+    }
+};
+
+template<> struct pyopencvVecConverter<detail::CameraParams>
+{
+    static bool to(PyObject* obj, std::vector<detail::CameraParams>& value, const ArgInfo& info)
+    {
+        return pyopencv_to_generic_vec(obj, value, info);
+    }
+
+    static PyObject* from(const std::vector<detail::CameraParams>& value)
+    {
+        return pyopencv_from_generic_vec(value);
+    }
+};
+
+#endif