Added New Feature for different hatch color and edge color in bar plot …

…matplotlib#26074

lib/matplotlib/axes/_axes.py

@@ -2262,7 +2262,7 @@ def _convert_dx(dx, x0, xconv, convert):
 
     @_preprocess_data()
     @_docstring.dedent_interpd
-    def bar(self, x, height, width=0.8, bottom=None, *, align="center",
+    def bar(self, x, height, width=0.8, bottom=None, *, align="center", edgecolor="black",
             **kwargs):
         r"""
         Make a bar plot.
@@ -2320,6 +2320,8 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
         edgecolor : color or list of color, optional
             The colors of the bar edges.
 
+        hatchcolor : color of the hatch inside the bar
+
         linewidth : float or array-like, optional
             Width of the bar edge(s). If 0, don't draw edges.
 
@@ -2386,6 +2388,9 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
         edgecolor = kwargs.pop('edgecolor', None)
         linewidth = kwargs.pop('linewidth', None)
         hatch = kwargs.pop('hatch', None)
+        hatchcolor = kwargs.get('hatchcolor', None)
+        if hatchcolor and not edgecolor:
+            edgecolor = "black"
 
         # Because xerr and yerr will be passed to errorbar, most dimension
         # checking and processing will be left to the errorbar method.
@@ -2489,6 +2494,14 @@ def bar(self, x, height, width=0.8, bottom=None, *, align="center",
                 # Fallback if edgecolor == "none".
                 itertools.repeat('none'))
 
+        if hatchcolor is None:
+            hatchcolor = itertools.repeat(None)
+        else:
+            hatchcolor = itertools.chain(
+                itertools.cycle(mcolors.to_rgba_array(hatchcolor)),
+                # Fallback if edgecolor == "none".
+                itertools.repeat('none'))
+
         # We will now resolve the alignment and really have
         # left, bottom, width, height vectors
         _api.check_in_list(['center', 'edge'], align=align)

lib/matplotlib/patches.py

@@ -56,6 +56,7 @@ def __init__(self, *,
                  fill=True,
                  capstyle=None,
                  joinstyle=None,
+                 hatchcolor=None,
                  **kwargs):
         """
         The following kwarg properties are supported
@@ -82,6 +83,7 @@ def __init__(self, *,
         else:
             self.set_edgecolor(edgecolor)
             self.set_facecolor(facecolor)
+            self.set_hatchcolor(hatchcolor)
 
         self._linewidth = 0
         self._unscaled_dash_pattern = (0, None)  # offset, dash
@@ -371,6 +373,10 @@ def set_color(self, c):
         self.set_facecolor(c)
         self.set_edgecolor(c)
 
+    def set_hatchcolor(self, c):
+        if c is not None:
+            self._hatch_color = colors.to_rgba(c)
+
     def set_alpha(self, alpha):
         # docstring inherited
         super().set_alpha(alpha)