From 3f7485c62edabc6bf335399f3ecc307dd3f586f0 Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Fri, 26 May 2023 10:18:27 +0200
Subject: Possible fix for parallel offset in guided fill for macOS (#2321)

* fix parallel offset in guided fill for macOS

* ripple grid start position

* circular ripple grid
---
 lib/stitches/guided_fill.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'lib/stitches/guided_fill.py')

diff --git a/lib/stitches/guided_fill.py b/lib/stitches/guided_fill.py
index b741ac00..b733e7a0 100644
--- a/lib/stitches/guided_fill.py
+++ b/lib/stitches/guided_fill.py
@@ -247,7 +247,11 @@ def intersect_region_with_grating_guideline(shape, line, row_spacing, num_stagge
             translate_amount = translate_direction * row * row_spacing
             offset_line = translate(line, xoff=translate_amount.x, yoff=translate_amount.y)
         elif strategy == 1:
-            offset_line = line.parallel_offset(row * row_spacing, 'left', join_style=shgeo.JOIN_STYLE.round)
+            offset = row * row_spacing
+            if offset == 0:
+                # this is needed for macOS builds
+                offset = 0.0001
+            offset_line = line.parallel_offset(offset, 'left', join_style=shgeo.JOIN_STYLE.round)
 
         offset_line = clean_offset_line(offset_line)
 
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