Fix dpi so that savefig.dpi doesn't override it

fixes #773

Author: has2k1

doc/changelog.qmd

@@ -16,6 +16,9 @@ title: Changelog
 - Fixed [](:class:`~plotnine.geom_text`) to work better with
   [adjustText](https://pypi.org/project/adjustText/) `v1.0.0` and above.
 
+- Fixed images generated in quarto so that they have the dimensions
+  (taking the dpi into account) that are specified in theme. ({{< issue 773 >}})
+
 ### Enhancements
 
 - Added _palmerpenguins_ dataset.

plotnine/iapi.py

@@ -170,6 +170,13 @@ class mpl_save_view:
     figure: Figure
     kwargs: dict[str, Any]
 
+    def __post_init__(self):
+        # If savefig.dpi rcparam has been set, it will override
+        # the figure dpi which is set in the theme. We make sure
+        # our call to savefig will contain the figure dpi.
+        if "dpi" not in self.kwargs:
+            self.kwargs["dpi"] = self.figure.get_dpi()
+
 
 @dataclass
 class layout_details: