we can actually allow direct setting of features from another feature

kushalkolar · kushalkolar · commit a13da44f1d7f · 2022-12-28T11:47:13.000-05:00
diff --git a/fastplotlib/graphics/features/_base.py b/fastplotlib/graphics/features/_base.py
@@ -57,6 +57,12 @@ def __call__(self, *args, **kwargs):
     def _set(self, value):
         pass
 
+    def _parse_set_value(self, value):
+        if isinstance(value, GraphicFeature):
+            return value()
+
+        return value
+
     def add_event_handler(self, handler: callable):
         """
         Add an event handler. All added event handlers are called when this feature changes.
@@ -163,6 +169,7 @@ class GraphicFeatureIndexable(GraphicFeature):
     """And indexable Graphic Feature, colors, data, sizes etc."""
 
     def _set(self, value):
+        value = self._parse_set_value(value)
         self[:] = value
 
     @abstractmethod
diff --git a/fastplotlib/graphics/features/_present.py b/fastplotlib/graphics/features/_present.py
@@ -13,6 +13,8 @@ def __init__(self, parent, present: bool = True, collection_index: int = False):
         super(PresentFeature, self).__init__(parent, present, collection_index)
 
     def _set(self, present: bool):
+        value = self._parse_set_value(present)
+
         i = 0
         wo = self._parent.world_object
         while not isinstance(self._scene, (Group, Scene)):
