From d5e3f6b51673564c16a8973a72a2b68e8ba96f0c Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Thu, 15 Aug 2024 14:46:23 +1000
Subject: [PATCH] If left and right sides meet, do not draw rectangle to fill
 gap

---
 ...d_rectangle_joined_x_different_corners.png | Bin 0 -> 411 bytes
 Tests/test_imagedraw.py                       |  21 ++++++++++++++++++
 src/PIL/ImageDraw.py                          |   2 +-
 3 files changed, 22 insertions(+), 1 deletion(-)
 create mode 100644 Tests/images/imagedraw_rounded_rectangle_joined_x_different_corners.png

diff --git a/Tests/images/imagedraw_rounded_rectangle_joined_x_different_corners.png b/Tests/images/imagedraw_rounded_rectangle_joined_x_different_corners.png
new file mode 100644
index 0000000000000000000000000000000000000000..b225afc2dc1449375e748d59e2336eedd9ddceaf
GIT binary patch
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diff --git a/Tests/test_imagedraw.py b/Tests/test_imagedraw.py
index e397978cb..e852b8471 100644
--- a/Tests/test_imagedraw.py
+++ b/Tests/test_imagedraw.py
@@ -857,6 +857,27 @@ def test_rounded_rectangle_corners(
     )
 
 
+def test_rounded_rectangle_joined_x_different_corners() -> None:
+    # Arrange
+    im = Image.new("RGB", (W, H))
+    draw = ImageDraw.Draw(im, "RGBA")
+
+    # Act
+    draw.rounded_rectangle(
+        (20, 10, 80, 90),
+        30,
+        fill="red",
+        outline="green",
+        width=5,
+        corners=(True, False, False, False),
+    )
+
+    # Assert
+    assert_image_equal_tofile(
+        im, "Tests/images/imagedraw_rounded_rectangle_joined_x_different_corners.png"
+    )
+
+
 @pytest.mark.parametrize(
     "xy, radius, type",
     [
diff --git a/src/PIL/ImageDraw.py b/src/PIL/ImageDraw.py
index 6f56d0236..5609bf971 100644
--- a/src/PIL/ImageDraw.py
+++ b/src/PIL/ImageDraw.py
@@ -505,7 +505,7 @@ class ImageDraw:
 
             if full_x:
                 self.draw.draw_rectangle((x0, y0 + r + 1, x1, y1 - r - 1), fill_ink, 1)
-            else:
+            elif x1 - r - 1 > x0 + r + 1:
                 self.draw.draw_rectangle((x0 + r + 1, y0, x1 - r - 1, y1), fill_ink, 1)
             if not full_x and not full_y:
                 left = [x0, y0, x0 + r, y1]