From f57d61b6e68ac9d0047361cc6fd140064b22545d Mon Sep 17 00:00:00 2001
From: Lex Neva <github.com@lexneva.name>
Date: Sun, 2 Apr 2023 00:14:57 -0400
Subject: meander fixes

---
 lib/stitches/meander_fill.py   | 14 ++++++++++----
 lib/stitches/running_stitch.py |  3 +++
 2 files changed, 13 insertions(+), 4 deletions(-)

(limited to 'lib/stitches')

diff --git a/lib/stitches/meander_fill.py b/lib/stitches/meander_fill.py
index 0a59da72..29ec6270 100644
--- a/lib/stitches/meander_fill.py
+++ b/lib/stitches/meander_fill.py
@@ -2,7 +2,7 @@ from itertools import combinations
 
 import networkx as nx
 from inkex import errormsg
-from shapely.geometry import MultiPoint, Point
+from shapely.geometry import LineString, MultiPoint, Point
 from shapely.ops import nearest_points
 
 from .. import tiles
@@ -126,10 +126,16 @@ def generate_meander_path(graph, start, end, rng):
             check_stop_flag()
 
             edge1, edge2 = poprandom(edge_pairs, rng)
-            edges_to_consider.extend(replace_edge_pair(meander_path, edge1, edge2, graph, graph_nodes))
-            break
+            new_edges = replace_edge_pair(meander_path, edge1, edge2, graph, graph_nodes)
+            if new_edges:
+                edges_to_consider.extend(new_edges)
+                break
+
+    debug.log_graph(graph, "remaining graph", "#FF0000")
+    points = path_to_points(meander_path)
+    debug.log_line_string(LineString(points), "meander path", "#00FF00")
 
-    return path_to_points(meander_path)
+    return points
 
 
 def replace_edge(path, edge, graph, graph_nodes):
diff --git a/lib/stitches/running_stitch.py b/lib/stitches/running_stitch.py
index 1dbfcaaf..46f3a3e9 100644
--- a/lib/stitches/running_stitch.py
+++ b/lib/stitches/running_stitch.py
@@ -10,6 +10,8 @@ from copy import copy
 
 import numpy as np
 from shapely import geometry as shgeo
+
+from ..debug import debug
 from ..utils import prng
 from ..utils.geometry import Point
 from ..utils.threading import check_stop_flag
@@ -246,6 +248,7 @@ def path_to_curves(points: typing.List[Point], min_len: float):
     return curves
 
 
+@debug.time
 def running_stitch(points, stitch_length, tolerance):
     # Turn a continuous path into a running stitch.
     stitches = [points[0]]
-- 
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