matplotlib · Lambxx · Nov 2, 2023 · Nov 2, 2023 · Nov 3, 2023 · Nov 3, 2023
diff --git a/lib/matplotlib/figure.py b/lib/matplotlib/figure.py
@@ -1211,8 +1211,8 @@
         However, this has negative consequences in other circumstances, e.g.
         with semi-transparent images (alpha < 1) and colorbar extensions;
         therefore, this workaround is not used by default (see issue #1188).
-
-        """
+          """
+
 
         if ax is None:
             ax = getattr(mappable, "axes", None)
@@ -2345,17 +2345,17 @@
         )
 
     def __init__(self,
-                 figsize=None,
+                 figsize=None,  
                  dpi=None,
                  *,
-                 facecolor=None,
-                 edgecolor=None,
-                 linewidth=0.0,
-                 frameon=None,
-                 subplotpars=None,  # rc figure.subplot.*
-                 tight_layout=None,  # rc figure.autolayout
-                 constrained_layout=None,  # rc figure.constrained_layout.use
-                 layout=None,
+                 facecolor=None, 
+                 edgecolor=None, 
+                 linewidth=0.0, 
+                 frameon=None, 
+                 subplotpars=None,  # rc figure.subplot.* 
+                 tight_layout=None,  # rc figure.autolayout 
+                 constrained_layout=None,  # rc figure.constrained_layout.use 
+                 layout=None, 
                  **kwargs
                  ):
         """
@@ -2860,6 +2860,85 @@
         """
        self.canvas = canvas
 
+    def set_subplotpars(self, subplotparams={}):
+        """
+        Set the subplot layout parameters.
+        Accepts either a `.SubplotParams` object, from which the relevant
+        parameters are copied, or a dictionary of subplot layout parameters.
+        If a dictionary is provided, this function is a convenience wrapper for
+        `matplotlib.figure.Figure.subplots_adjust`
+        Parameters
+        ----------
+        subplotparams : `~matplotlib.figure.SubplotParams` or dict with keys \
+"left", "bottom", "right", 'top", "wspace", "hspace"] , optional
+            SubplotParams object to copy new subplot parameters from, or a dict
+             of SubplotParams constructor arguments.
+            By default, an empty dictionary is passed, which maintains the
+             current state of the figure's `.SubplotParams`
+        See Also
+        --------
+        matplotlib.figure.Figure.subplots_adjust
+        matplotlib.figure.Figure.get_subplotpars
+        """
+        subplotparams_args = ["left", "bottom", "right",
+                              "top", "wspace", "hspace"]
+        kwargs = {}
+        if isinstance(subplotparams, SubplotParams):
+            for key in subplotparams_args:
+                kwargs[key] = getattr(subplotparams, key)
+        elif isinstance(subplotparams, dict):
+            for key in subplotparams.keys():
+                if key in subplotparams_args:
+                    kwargs[key] = subplotparams[key]
+                else:
+                    _api.warn_external(
+                        f"'{key}' is not a valid key for set_subplotpars;"
+                        " this key was ignored.")
+        else:
+            raise TypeError(
+                "subplotpars must be a dictionary of keyword-argument pairs or"
+                " an instance of SubplotParams()")
+        if kwargs == {}:
+            self.set_subplotpars(self.get_subplotpars())
+        self.subplots_adjust(**kwargs)
+
+    def get_subplotpars(self):
+        """
+        Return the `.SubplotParams` object associated with the Figure.
+        Returns
+        -------
+        `.SubplotParams`
+        See Also
+        --------
+        matplotlib.figure.Figure.subplots_adjust
+        matplotlib.figure.Figure.get_subplotpars
+        """
+        return self.subplotpars
+
+    def set_figsize(self, fig_size_params):
+        self.set_size_inches(fig_size_params[0], fig_size_params[1])
+        """
+        Calls all the set_size_inches() methods of the figure and its subfigures.
+        passes Parameters
+        """
+    def get_figsize(self):
+        """
+        Returns the size of the figure in inches
+        """
+        return self.get_size_inches()
+
+    def set_layout(self, layout_params):
+        """
+        Sets the layout of the figure.
+        """
+        self.set_layout_engine(layout_params)
+
+    def get_layout(self):
+        """
+        Returns the layout of the figure.
+        """
+        return self.get_layout_engine()
+
     @_docstring.interpd
     def figimage(self, X, xo=0, yo=0, alpha=None, norm=None, cmap=None,
                  vmin=None, vmax=None, origin=None, resize=False, **kwargs):

diff --git a/lib/matplotlib/figure.pyi b/lib/matplotlib/figure.pyi
@@ -361,6 +361,12 @@ class Figure(FigureBase):
     def draw_without_rendering(self) -> None: ...
     def draw_artist(self, a: Artist) -> None: ...
     def add_axobserver(self, func: Callable[[Figure], Any]) -> None: ...
+    def get_subplotpars(self) -> SubplotParams: ...
+    def set_subplotpars(self, val: SubplotParams) -> None: ...
+    def get_figsize(self) -> tuple[float, float]: ...
+    def set_figsize(self, val: tuple[float, float]) -> None: ...
+    def set_layout(self, val: Literal["constrained", "compressed", "tight"]) -> None: ...
+    def get_layout(self) -> Literal["constrained", "compressed", "tight"]: ...
     def savefig(
         self,
         fname: str | os.PathLike | IO,

diff --git a/lib/matplotlib/tests/test_figure.py b/lib/matplotlib/tests/test_figure.py
@@ -1659,3 +1659,12 @@ def test_not_visible_figure():
     fig.savefig(buf, format='svg')
     buf.seek(0)
     assert '<g ' not in buf.read()
+
+def test_fig_get_set():
+    varnames = filter(lambda var: var not in ['self', 'kwargs', 'args'],
+                      Figure.__init__.__code__.co_varnames)
+    fig = plt.figure()
+    for var in varnames:
+        # if getattr fails then the getter and setter does not exist
+        getfunc = getattr(fig, f"get_{var}")
+        setfunc = getattr(fig, f"set_{var}")