add getter for image interpolation_stage

Tsufael · QuLogic · commit 43fcc54a3826 · 2024-03-15T05:09:47.000-04:00
diff --git a/lib/matplotlib/image.py b/lib/matplotlib/image.py
@@ -773,6 +773,14 @@ def set_interpolation(self, s):
         self._interpolation = s
         self.stale = True
 
+    def get_interpolation_stage(self):
+        """
+        Return when interpolation happens during the transform to RGBA.
+
+        One of 'data', 'rgba'.
+        """
+        return self._interpolation_stage
+
     def set_interpolation_stage(self, s):
         """
         Set when interpolation happens during the transform to RGBA.
diff --git a/lib/matplotlib/image.pyi b/lib/matplotlib/image.pyi
@@ -89,6 +89,7 @@ class _ImageBase(martist.Artist, cm.ScalarMappable):
     def get_shape(self) -> tuple[int, int, int]: ...
     def get_interpolation(self) -> str: ...
     def set_interpolation(self, s: str | None) -> None: ...
+    def get_interpolation_stage(self) -> Literal["data", "rgba"]: ...
     def set_interpolation_stage(self, s: Literal["data", "rgba"]) -> None: ...
     def can_composite(self) -> bool: ...
     def set_resample(self, v: bool | None) -> None: ...
