From 3fc446c2770b091b07d3b6cff63e87385c19e7fc Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Wed, 3 May 2023 22:54:18 +1000
Subject: [PATCH] Added width argument to regular_polygon

---
 Tests/images/imagedraw_triangle_width.png | Bin 0 -> 499 bytes
 Tests/test_imagedraw.py                   |  20 ++++++++++----------
 docs/reference/ImageDraw.rst              |   3 ++-
 src/PIL/ImageDraw.py                      |   4 ++--
 4 files changed, 14 insertions(+), 13 deletions(-)
 create mode 100644 Tests/images/imagedraw_triangle_width.png

diff --git a/Tests/images/imagedraw_triangle_width.png b/Tests/images/imagedraw_triangle_width.png
new file mode 100644
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GIT binary patch
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diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py
index 7ffd7969d90..406f44c06e3 100644
--- a/Tests/test_imagedraw.py
+++ b/Tests/test_imagedraw.py
@@ -1347,20 +1347,20 @@ def test_same_color_outline():
 
 
 @pytest.mark.parametrize(
-    "n_sides, rotation, polygon_name",
-    [(4, 0, "square"), (8, 0, "regular_octagon"), (4, 45, "square")],
+    "n_sides, polygon_name, args",
+    [
+        (4, "square", {}),
+        (8, "regular_octagon", {}),
+        (4, "square_rotate_45", {"rotation": 45}),
+        (3, "triangle_width", {"width": 5, "outline": "yellow"}),
+    ],
 )
-def test_draw_regular_polygon(n_sides, rotation, polygon_name):
+def test_draw_regular_polygon(n_sides, polygon_name, args):
     im = Image.new("RGBA", size=(W, H), color=(255, 0, 0, 0))
-    filename_base = f"Tests/images/imagedraw_{polygon_name}"
-    filename = (
-        f"{filename_base}.png"
-        if rotation == 0
-        else f"{filename_base}_rotate_{rotation}.png"
-    )
+    filename = f"Tests/images/imagedraw_{polygon_name}.png"
     draw = ImageDraw.Draw(im)
     bounding_circle = ((W // 2, H // 2), 25)
-    draw.regular_polygon(bounding_circle, n_sides, rotation=rotation, fill="red")
+    draw.regular_polygon(bounding_circle, n_sides, fill="red", **args)
     assert_image_equal_tofile(im, filename)
 
 
diff --git a/docs/reference/ImageDraw.rst b/docs/reference/ImageDraw.rst
index aec7a3ef89f..29115120c13 100644
--- a/docs/reference/ImageDraw.rst
+++ b/docs/reference/ImageDraw.rst
@@ -296,7 +296,7 @@ Methods
     :param width: The line width, in pixels.
 
 
-.. py:method:: ImageDraw.regular_polygon(bounding_circle, n_sides, rotation=0, fill=None, outline=None)
+.. py:method:: ImageDraw.regular_polygon(bounding_circle, n_sides, rotation=0, fill=None, outline=None, width=1)
 
     Draws a regular polygon inscribed in ``bounding_circle``,
     with ``n_sides``, and rotation of ``rotation`` degrees.
@@ -311,6 +311,7 @@ Methods
         (e.g. ``rotation=90``, applies a 90 degree rotation).
     :param fill: Color to use for the fill.
     :param outline: Color to use for the outline.
+    :param width: The line width, in pixels.
 
 
 .. py:method:: ImageDraw.rectangle(xy, fill=None, outline=None, width=1)
diff --git a/src/PIL/ImageDraw.py b/src/PIL/ImageDraw.py
index e9ccf80413f..1e4eeab2543 100644
--- a/src/PIL/ImageDraw.py
+++ b/src/PIL/ImageDraw.py
@@ -279,11 +279,11 @@ def polygon(self, xy, fill=None, outline=None, width=1):
                 self.im.paste(im.im, (0, 0) + im.size, mask.im)
 
     def regular_polygon(
-        self, bounding_circle, n_sides, rotation=0, fill=None, outline=None
+        self, bounding_circle, n_sides, rotation=0, fill=None, outline=None, width=1
     ):
         """Draw a regular polygon."""
         xy = _compute_regular_polygon_vertices(bounding_circle, n_sides, rotation)
-        self.polygon(xy, fill, outline)
+        self.polygon(xy, fill, outline, width)
 
     def rectangle(self, xy, fill=None, outline=None, width=1):
         """Draw a rectangle."""