Screenshot refactoring

python/neuroglancer/viewer_config_state.py

@@ -96,6 +96,31 @@ class LayerSelectionState(JsonObjectWrapper):
 class LayerSelectedValues(_LayerSelectedValuesBase):
     """Specifies the data values associated with the current mouse position."""
 
+@export
+class PanelResolutionData(JsonObjectWrapper):
+    __slots__ = ()
+    type = wrapped_property("type", str)
+    width = wrapped_property("width", int)
+    height = wrapped_property("height", int)
+    resolution = wrapped_property("resolution", str)
+
+@export
+class LayerResolutionData(JsonObjectWrapper):
+    __slots__ = ()
+    name = wrapped_property("name", str)
+    type = wrapped_property("type", str)
+    resolution = wrapped_property("resolution", str)
+
+@export
+class ScreenshotResolutionMetadata(JsonObjectWrapper):
+    __slots__ = ()
+    panel_resolution_data = panelResolutionData = wrapped_property(
+        "panelResolutionData", typed_list(PanelResolutionData)
+    )
+    layer_resolution_data = layerResolutionData = wrapped_property(
+        "layerResolutionData", typed_list(LayerResolutionData)
+    )
+
 
 @export
 class ScreenshotReply(JsonObjectWrapper):
@@ -107,7 +132,7 @@ class ScreenshotReply(JsonObjectWrapper):
     image_type = imageType = wrapped_property("imageType", str)
     depth_data = depthData = wrapped_property("depthData", optional(base64.b64decode))
     resolution_metadata = resolutionMetadata = wrapped_property(
-        "resolutionMetadata", dict
+        "resolutionMetadata", ScreenshotResolutionMetadata
     )
 
     @property