From 05122db620ba63631d5c5d76eed82e85455128ca Mon Sep 17 00:00:00 2001
From: Peter Sobolewski <76622105+psobolewskiPhD@users.noreply.github.com>
Date: Wed, 19 Jul 2023 16:06:54 -0400
Subject: [PATCH] do key/value comparisons for dict

---
 napari_animation/viewer_state.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/napari_animation/viewer_state.py b/napari_animation/viewer_state.py
index 32dbbbf..3d6d19e 100644
--- a/napari_animation/viewer_state.py
+++ b/napari_animation/viewer_state.py
@@ -54,8 +54,14 @@ def apply(self, viewer: napari.viewer.Viewer):
             layer_attributes = layer.as_layer_data_tuple()[1]
             for attribute_name, value in layer_state.items():
                 original_value = layer_attributes[attribute_name]
-                # Only set if value differs to avoid expensive redraws
-                if not np.array_equal(original_value, value):
+                # Only setattr if value differs to avoid expensive redraws
+                # dicts can hold arrays, e.g. `color`, requiring comparisons of key/value pairs
+                if type(value) is dict:
+                    for key, val in value.items():
+                        if not np.array_equal(val, original_value.get(key)):
+                            setattr(layer, attribute_name, value)
+                            break
+                elif not np.array_equal(original_value, value):
                     setattr(layer, attribute_name, value)
 
     def render(