From 2235ec6571601e12be7eb3c74907668fb68bebd4 Mon Sep 17 00:00:00 2001
From: Kaalleen <36401965+kaalleen@users.noreply.github.com>
Date: Fri, 11 Jul 2025 22:14:52 +0200
Subject: Fix issue with bad color names (#3816)

* fix issue with bad color names and define element colors at one place and reuse
* fix bad tartan color
* verify color in gradient block
* add thread color tests
* use default color behavior for elements linked to non-existing definitions (gradients)
* Added mypy change for tests (authored by: CapellanCitizen)
---
 lib/stitches/guided_fill.py          | 2 +-
 lib/stitches/linear_gradient_fill.py | 7 +++++--
 2 files changed, 6 insertions(+), 3 deletions(-)

(limited to 'lib/stitches')

diff --git a/lib/stitches/guided_fill.py b/lib/stitches/guided_fill.py
index 5d9a6018..16f0f2e8 100644
--- a/lib/stitches/guided_fill.py
+++ b/lib/stitches/guided_fill.py
@@ -180,7 +180,7 @@ def apply_stitches(line, max_stitch_length, num_staggers, row_spacing, row_num,
     # corners.
     if not threshold:
         threshold = row_spacing / 2.0
-    simplified_line = line.simplify(threshold, False)
+    simplified_line = line.simplify(threshold, preserve_topology=False)
     simplified_points = [shgeo.Point(x, y) for x, y in simplified_line.coords]
 
     extra_points = []
diff --git a/lib/stitches/linear_gradient_fill.py b/lib/stitches/linear_gradient_fill.py
index 2fb03bf9..589a1f23 100644
--- a/lib/stitches/linear_gradient_fill.py
+++ b/lib/stitches/linear_gradient_fill.py
@@ -6,7 +6,7 @@
 from math import ceil, floor, sqrt
 
 import numpy as np
-from inkex import DirectedLineSegment, Transform
+from inkex import Color, ColorError, DirectedLineSegment, Transform
 from networkx import is_empty
 from shapely import segmentize
 from shapely.affinity import rotate
@@ -75,7 +75,10 @@ def _get_gradient_info(fill, bbox):
         # but inkex/tinycss fails on stop color styles when it is not in the style attribute, but in it's own stop-color attribute
         colors = []
         for i, stop in enumerate(fill.gradient.stops):
-            color = stop.get_computed_style('stop-color')
+            try:
+                color = stop.get_computed_style('stop-color')
+            except ColorError:
+                color = Color('black')
             opacity = stop.get_computed_style('stop-opacity')
             if float(opacity) == 0:
                 color = 'none'
-- 
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