Initialize Python Imath values (#1956)

Signed-off-by: Darby Johnston <[email protected]>

Author: darbyjohnston

src/py-opentimelineio/opentimelineio-bindings/otio_imath.cpp

@@ -28,7 +28,7 @@ static void define_imath_2d(py::module m) {
     // Imath classes are binded with Pybind11 more than once.
     // Using module_local will avoid conflicts in such cases.
     py::class_<IMATH_NAMESPACE::V2d>(m, "V2d", py::module_local())
-        .def(py::init<>())
+        .def(py::init<>([]() { return IMATH_NAMESPACE::V2d(0.0, 0.0); }))
         .def(py::init<double>())
         .def(py::init<double, double>())
         .def_readwrite("x", &IMATH_NAMESPACE::V2d::x)
@@ -101,7 +101,7 @@ static void define_imath_2d(py::module m) {
             });
 
     py::class_<IMATH_NAMESPACE::Box2d>(m, "Box2d", py::module_local())
-        .def(py::init<>())
+        .def(py::init<>([]() { return IMATH_NAMESPACE::Box2d(IMATH_NAMESPACE::V2d(0.0, 0.0)); }))
         .def(py::init<IMATH_NAMESPACE::V2d>())
         .def(py::init<IMATH_NAMESPACE::V2d, IMATH_NAMESPACE::V2d>())
         .def_readwrite("min", &IMATH_NAMESPACE::Box2d::min)

tests/test_box2d.py

@@ -9,6 +9,11 @@
 
 class Box2dTests(unittest.TestCase, otio_test_utils.OTIOAssertions):
     def test_cons(self):
+        box = otio.schema.Box2d()
+
+        self.assertEqual(box.min, otio.schema.V2d(0.0, 0.0))
+        self.assertEqual(box.max, otio.schema.V2d(0.0, 0.0))
+
         v1 = otio.schema.V2d(1.0, 2.0)
         v2 = otio.schema.V2d(3.0, 4.0)
         box = otio.schema.Box2d(v1, v2)

tests/test_v2d.py

@@ -12,6 +12,11 @@
 
 class V2dTests(unittest.TestCase, otio_test_utils.OTIOAssertions):
     def test_cons(self):
+        v = otio.schema.V2d()
+
+        self.assertEqual(v.x, 0.0)
+        self.assertEqual(v.y, 0.0)
+
         v = otio.schema.V2d(1.0, 2.0)
 
         self.assertEqual(v.x, 1.0)