修正单元测试失败代码

app/native/wndb/s32_region_util.py

@@ -1,8 +1,8 @@
-import ctypes
 import platform
 import os
 import math
 from typing import Any
+import pyclipper
 from .s0_base import get_node_links, get_link_nodes, is_pipe
 from .s5_pipes import get_pipe
 from .database import read, try_read, read_all, write
@@ -414,40 +414,20 @@ def inflate_boundary(name: str, boundary: list[tuple[float, float]], delta: floa
     if boundary[0] == boundary[-1]:
         del(boundary[-1])
 
-    lib = ctypes.CDLL(os.path.join(os.getcwd(), 'api', 'CClipper2.dll'))
+    precision = 2
+    scale = 10 ** precision
+    path = [(round(x * scale), round(y * scale)) for x, y in boundary]
 
-    c_size = ctypes.c_size_t(len(boundary) * 2)
-    c_path = (ctypes.c_double * c_size.value)()
-    i = 0
-    for xy in boundary:
-        c_path[i] = xy[0]
-        i += 1
-        c_path[i] = xy[1]
-        i += 1
-    c_delta = ctypes.c_double(delta)
-    JoinType_Square, JoinType_Round, JoinType_Miter = 0, 1, 2
-    c_jt = ctypes.c_int(JoinType_Square)
-    EndType_Polygon, EndType_Joined, EndType_Butt, EndType_Square, EndType_Round = 0, 1, 2, 3, 4
-    c_et = ctypes.c_int(EndType_Polygon)
-    c_miter_limit = ctypes.c_double(2.0)
-    c_precision = ctypes.c_int(2)
-    c_arc_tolerance = ctypes.c_double(0.0)
-    c_out_path = ctypes.POINTER(ctypes.c_double)()
-    c_out_size = ctypes.c_size_t(0)
-
-    lib.inflate_paths(c_path, c_size, c_delta, c_jt, c_et, c_miter_limit, c_precision, c_arc_tolerance, ctypes.byref(c_out_path), ctypes.byref(c_out_size))
-    if c_out_size.value == 0:
-        lib.free_paths(ctypes.byref(c_out_path))
+    offset = pyclipper.PyclipperOffset(miter_limit=2.0)
+    offset.AddPath(path, pyclipper.JT_SQUARE, pyclipper.ET_CLOSEDPOLYGON)
+    solutions = offset.Execute(round(delta * scale))
+    if len(solutions) == 0:
         return []
-    
-    # TODO: simplify_paths :)
 
     result: list[tuple[float, float]] = []
-    for i in range(0, c_out_size.value, 2):
-        result.append((c_out_path[i], c_out_path[i + 1]))
+    for x, y in solutions[0]:
+        result.append((x / scale, y / scale))
     result.append(result[0])
-
-    lib.free_paths(ctypes.byref(c_out_path))
     return result