From 4644c119495e175e909096d4e947dbb9e5f8234a Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Tue, 9 Jul 2024 18:18:49 +0200
Subject: Pull comp: remove holes again (#3067)

* pull comp: remove holes again
* rescue some more broken shapes
---
 lib/stitches/auto_fill.py | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

(limited to 'lib/stitches')

diff --git a/lib/stitches/auto_fill.py b/lib/stitches/auto_fill.py
index 84832fc8..963d686d 100644
--- a/lib/stitches/auto_fill.py
+++ b/lib/stitches/auto_fill.py
@@ -140,7 +140,19 @@ def adjust_shape_for_pull_compensation(shape, angle, row_spacing, pull_compensat
     buffered_lines = [line.buffer(buffer_amount) for line in lines]
 
     polygon = unary_union(buffered_lines)
-    return make_valid(polygon)
+    exterior = smooth_path(polygon.exterior.coords, 0.2)
+    min_hole_area = row_spacing ** 2
+    interiors = [smooth_path(interior.coords) for interior in polygon.interiors if shgeo.Polygon(interior).area > min_hole_area]
+
+    shape = make_valid(shgeo.Polygon(exterior, interiors))
+    if shape.geom_type == 'MultiPolygon':
+        # the shape is somehow messed up
+        # rescue it by just using the first geometry
+        shape = list(shape.geoms)
+        shape.sort(key=lambda polygon: polygon.area, reverse=True)
+        shape = shape[0]
+
+    return shape
 
 
 def apply_pull_compensation(segments, pull_compensation_px, pull_compensation_percent):
-- 
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