bundle: update (2026-01-18)

extensions/botbox3000/livinghinge.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+
+import sys
+from pathlib import Path
+
+deps_dir = Path(__file__).parent / "deps"
+if deps_dir.exists() and str(deps_dir) not in sys.path:
+    sys.path.insert(0, str(deps_dir))
+
+import inkex
+from inkex import PathElement, Transform
+
+
+def create_living_hinge_pattern(svg, hinge_length, hinge_gap, hinge_spacing, width, height,
+                                offset_x, offset_y, cut_style, tab_positions=None, segment_start=0):
+    hinges = []
+    x_pos = hinge_spacing / 2
+    col = 0
+
+    while x_pos < width:
+        y_start = hinge_gap if col % 2 == 0 else hinge_gap + hinge_length / 2
+
+        if col % 2 == 0:
+            top_cut_end = hinge_gap
+            top_cut_start = max(0, top_cut_end - hinge_length)
+        else:
+            top_cut_end = hinge_gap + hinge_length / 2 - hinge_spacing
+            top_cut_start = max(0, top_cut_end - hinge_length)
+
+        if top_cut_start < top_cut_end and top_cut_end > 0:
+            hinge_path_data = f"M {x_pos},{top_cut_start} L {x_pos},{top_cut_end}"
+            hinge = PathElement()
+            hinge.set_id(svg.get_unique_id(f"hinge_{col}_top"))
+            hinge.set('d', hinge_path_data)
+            hinge.style = cut_style
+            hinge.transform = inkex.Transform(translate=(offset_x, offset_y))
+            hinges.append(hinge)
+
+        y_pos = y_start
+        cut_index = 0
+        while y_pos + hinge_length <= height - hinge_gap:
+            hinge_abs_start = segment_start + x_pos
+            hinge_abs_end = segment_start + x_pos
+
+            hinge_path_data = f"M {x_pos},{y_pos} L {x_pos},{y_pos + hinge_length}"
+
+            hinge = PathElement()
+            hinge.set_id(svg.get_unique_id(f"hinge_{col}_{cut_index}"))
+            hinge.set('d', hinge_path_data)
+            hinge.style = cut_style
+            hinge.transform = inkex.Transform(translate=(offset_x, offset_y))
+            hinges.append(hinge)
+
+            y_pos += hinge_length + hinge_spacing
+            cut_index += 1
+
+        bottom_cut_start = y_pos
+        bottom_cut_end = min(height, bottom_cut_start + hinge_length)
+
+        if bottom_cut_start < height and bottom_cut_end > bottom_cut_start:
+            hinge_path_data = f"M {x_pos},{bottom_cut_start} L {x_pos},{bottom_cut_end}"
+            hinge = PathElement()
+            hinge.set_id(svg.get_unique_id(f"hinge_{col}_bottom"))
+            hinge.set('d', hinge_path_data)
+            hinge.style = cut_style
+            hinge.transform = inkex.Transform(translate=(offset_x, offset_y))
+            hinges.append(hinge)
+
+        x_pos += hinge_spacing
+        col += 1
+
+    return hinges
+
+
+def detect_straight_segments(inset_path_d, min_straight_length, svg, units):
+    path = inkex.Path(inset_path_d)
+    csp = path.to_superpath()
+
+    min_length_uu = svg.unittouu(f"{min_straight_length}{units}")
+
+    straight_segments = []
+    current_distance = 0.0
+
+    for subpath in csp:
+        for i, seg in enumerate(subpath[:-1]):
+            next_seg = subpath[i + 1]
+            bezier = (seg[1], seg[2], next_seg[0], next_seg[1])
+            seg_length = inkex.bezier.bezierlength(bezier)
+
+            if seg_length >= min_length_uu:
+                straight_segments.append((current_distance, current_distance + seg_length))
+
+            current_distance += seg_length
+
+    return straight_segments