Merge pull request #4976 from hugovk/4523-document-ellipse-drawing

Add #4523 ellipse-drawing algorithm changes to release notes
python-pillow · Oct 14, 2020 · a416c21 · a416c21
2 parents 4658c05 + 3b6d29e
commit a416c21
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/docs/releasenotes/8.0.0.rst b/docs/releasenotes/8.0.0.rst
@@ -137,6 +137,13 @@ These functions accept an ``anchor`` parameter, see :ref:`text-anchors` for deta
 Other Changes
 =============
 
+Improved ellipse-drawing algorithm
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+The ellipse-drawing algorithm has been changed from drawing a 360-sided polygon to one
+which resembles Bresenham's algorithm for circles. It should be faster and produce
+smoother curves, especially for smaller ellipses.
+
 ImageDraw.text and ImageDraw.multiline_text
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^