apply clip to stroke (#2283)

1 files changed, 18 insertions, 0 deletions

diff --git a/lib/svg/clip.py b/lib/svg/clip.py
new file mode 100644
index 00000000..36c73947
--- /dev/null
+++ b/lib/svg/clip.py
@@ -0,0 +1,18 @@
+# Authors: see git history
+#
+# Copyright (c) 2023 Authors
+# Licensed under the GNU GPL version 3.0 or later.  See the file LICENSE for details.
+
+from shapely.geometry import MultiPolygon, Polygon
+
+from ..elements import EmbroideryElement
+
+
+def get_clip_path(node):
+    # get clip and apply node transform
+    clip = node.clip
+    transform = node.composed_transform()
+    clip.transform = transform
+    clip_element = EmbroideryElement(clip)
+    clip_element.paths.sort(key=lambda point_list: Polygon(point_list).area, reverse=True)
+    return MultiPolygon([(clip_element.paths[0], clip_element.paths[1:])])