fix: issue with ImageMobject bounding box

manim/camera/camera.py

@@ -966,7 +966,7 @@ def display_image_mobject(
             The Pixel array to put the imagemobject in.
         """
         corner_coords = self.points_to_pixel_coords(image_mobject, image_mobject.points)
-        ul_coords, ur_coords, dl_coords = corner_coords
+        ul_coords, ur_coords, dl_coords, _ = corner_coords
         right_vect = ur_coords - ul_coords
         down_vect = dl_coords - ul_coords
         center_coords = ul_coords + (right_vect + down_vect) / 2

manim/mobject/types/image_mobject.py

@@ -86,12 +86,13 @@ def set_resampling_algorithm(self, resampling_algorithm: int):
         return self
 
     def reset_points(self):
-        # Corresponding corners of image are fixed to these 3 points
+        """Sets :attr:`points` to be the four image corners."""
         self.points = np.array(
             [
                 UP + LEFT,
                 UP + RIGHT,
                 DOWN + LEFT,
+                DOWN + RIGHT,
             ],
         )
         self.center()

tests/test_graphical_units/test_img_and_svg.py

@@ -284,3 +284,20 @@ def test_ImageInterpolation(scene):
     scene.add(img1, img2, img3, img4, img5)
     [s.shift(4 * LEFT + pos * 2 * RIGHT) for pos, s in enumerate(scene.mobjects)]
     scene.wait()
+
+
+def test_ImageMobject_points_length():
+    file_path = get_svg_resource("tree_img_640x351.png")
+    im1 = ImageMobject(file_path)
+    assert len(im1.points) == 4
+
+
+def test_ImageMobject_rotation():
+    # see https://github.com/ManimCommunity/manim/issues/3067
+    # rotating an image to and from the same angle should not change the image
+    file_path = get_svg_resource("tree_img_640x351.png")
+    im1 = ImageMobject(file_path)
+    im2 = im1.copy()
+    im1.rotate(PI / 2)
+    im1.rotate(-PI / 2)
+    np.testing.assert_array_equal(im1.points, im2.points)