Allow point and dpoint use for hough_transform stuff.

tools/python/src/image2.cpp

@@ -40,9 +40,10 @@ numpy_image<T> py_equalize_histogram (
 
 // ----------------------------------------------------------------------------------------
 
+template <typename T>
 line ht_get_line (
     const hough_transform& ht,
-    const point& p
+    const dlib::vector<T,2>& p
 )  
 { 
     DLIB_CASSERT(get_rect(ht).contains(p));
@@ -50,18 +51,20 @@ line ht_get_line (
     return line(temp.first, temp.second);
 }
 
+template <typename T>
 double ht_get_line_angle_in_degrees (
     const hough_transform& ht,
-    const point& p 
+    const dlib::vector<T,2>& p 
 )  
 { 
     DLIB_CASSERT(get_rect(ht).contains(p));
     return ht.get_line_angle_in_degrees(p); 
 }
 
+template <typename T>
 py::tuple ht_get_line_properties (
     const hough_transform& ht,
-    const point& p
+    const dlib::vector<T,2>& p
 )  
 { 
     DLIB_CASSERT(get_rect(ht).contains(p));
@@ -191,7 +194,8 @@ ensures \n\
         .def(py::init<unsigned long>(), doc_constr, py::arg("size_"))
         .def_property_readonly("size", &hough_transform::size,
             "returns the size of the Hough transforms generated by this object.  In particular, this object creates Hough transform images that are size by size pixels in size.")
-        .def("get_line", &ht_get_line, py::arg("p"),
+        .def("get_line", &ht_get_line<long>, py::arg("p"))
+        .def("get_line", &ht_get_line<double>, py::arg("p"),
 "requires \n\
     - rectangle(0,0,size-1,size-1).contains(p) == true \n\
       (i.e. p must be a point inside the Hough accumulator array) \n\
@@ -209,7 +213,8 @@ ensures \n\
             - The returned points are inside rectangle(0,0,size-1,size-1).
     !*/
 
-        .def("get_line_angle_in_degrees", &ht_get_line_angle_in_degrees, py::arg("p"),
+        .def("get_line_angle_in_degrees", &ht_get_line_angle_in_degrees<long>, py::arg("p"))
+        .def("get_line_angle_in_degrees", &ht_get_line_angle_in_degrees<double>, py::arg("p"),
 "requires \n\
     - rectangle(0,0,size-1,size-1).contains(p) == true \n\
       (i.e. p must be a point inside the Hough accumulator array) \n\
@@ -226,7 +231,8 @@ ensures \n\
     !*/
 
 
-        .def("get_line_properties", &ht_get_line_properties, py::arg("p"),
+        .def("get_line_properties", &ht_get_line_properties<long>, py::arg("p"))
+        .def("get_line_properties", &ht_get_line_properties<double>, py::arg("p"),
 "requires \n\
     - rectangle(0,0,size-1,size-1).contains(p) == true \n\
       (i.e. p must be a point inside the Hough accumulator array) \n\