moved inside_circle to private patches func

brunobeltran · brunobeltran · commit 1cf55929cd29 · 2020-03-18T06:06:02.000-07:00
diff --git a/lib/matplotlib/bezier.py b/lib/matplotlib/bezier.py
@@ -223,26 +223,6 @@ def split_bezier_intersecting_with_closedpath(
     return _left, _right
 
 
-# matplotlib specific
-
-
-def inside_circle(cx, cy, r):
-    """
-    Return a function that checks whether a point is in a circle with center
-    (*cx*, *cy*) and radius *r*.
-
-    The returned function has the signature::
-
-        f(xy: Tuple[float, float]) -> bool
-    """
-    r2 = r ** 2
-
-    def _f(xy):
-        x, y = xy
-        return (x - cx) ** 2 + (y - cy) ** 2 < r2
-    return _f
-
-
 # quadratic Bezier lines
 
 
diff --git a/lib/matplotlib/patches.py b/lib/matplotlib/patches.py
@@ -11,11 +11,27 @@
 from . import artist, cbook, colors, docstring, lines as mlines, transforms
 from .bezier import (
     NonIntersectingPathException, get_cos_sin, get_intersection, get_parallels,
-    inside_circle, make_wedged_bezier2,
-    split_bezier_intersecting_with_closedpath)
+    make_wedged_bezier2, split_bezier_intersecting_with_closedpath)
 from .path import Path
 
 
+def _inside_circle(cx, cy, r):
+    """
+    Return a function that checks whether a point is in a circle with center
+    (*cx*, *cy*) and radius *r*.
+
+    The returned function has the signature::
+
+        f(xy: Tuple[float, float]) -> bool
+    """
+    r2 = r ** 2
+
+    def _f(xy):
+        x, y = xy
+        return (x - cx) ** 2 + (y - cy) ** 2 < r2
+    return _f
+
+
 @cbook._define_aliases({
     "antialiased": ["aa"],
     "edgecolor": ["ec"],
@@ -2438,13 +2454,13 @@ def _shrink(self, path, shrinkA, shrinkB):
             Shrink the path by fixed size (in points) with shrinkA and shrinkB.
             """
             if shrinkA:
-                insideA = inside_circle(*path.vertices[0], shrinkA)
+                insideA = _inside_circle(*path.vertices[0], shrinkA)
                 try:
                     left, path = path.split_path_inout(insideA)
                 except ValueError:
                     pass
             if shrinkB:
-                insideB = inside_circle(*path.vertices[-1], shrinkB)
+                insideB = _inside_circle(*path.vertices[-1], shrinkB)
                 try:
                     path, right = path.split_path_inout(insideB)
                 except ValueError:
@@ -3339,7 +3355,7 @@ def transmute(self, path, mutation_size, linewidth):
 
             # divide the path into a head and a tail
             head_length = self.head_length * mutation_size
-            in_f = inside_circle(x2, y2, head_length)
+            in_f = _inside_circle(x2, y2, head_length)
             arrow_path = [(x0, y0), (x1, y1), (x2, y2)]
 
             try:
@@ -3422,7 +3438,7 @@ def transmute(self, path, mutation_size, linewidth):
             arrow_path = [(x0, y0), (x1, y1), (x2, y2)]
 
             # path for head
-            in_f = inside_circle(x2, y2, head_length)
+            in_f = _inside_circle(x2, y2, head_length)
             try:
                 path_out, path_in = split_bezier_intersecting_with_closedpath(
                     arrow_path, in_f, tolerance=0.01)
@@ -3437,7 +3453,7 @@ def transmute(self, path, mutation_size, linewidth):
                 path_head = path_in
 
             # path for head
-            in_f = inside_circle(x2, y2, head_length * .8)
+            in_f = _inside_circle(x2, y2, head_length * .8)
             path_out, path_in = split_bezier_intersecting_with_closedpath(
                 arrow_path, in_f, tolerance=0.01)
             path_tail = path_out
@@ -3455,7 +3471,7 @@ def transmute(self, path, mutation_size, linewidth):
                                                         w1=1., wm=0.6, w2=0.3)
 
             # path for head
-            in_f = inside_circle(x0, y0, tail_width * .3)
+            in_f = _inside_circle(x0, y0, tail_width * .3)
             path_in, path_out = split_bezier_intersecting_with_closedpath(
                 arrow_path, in_f, tolerance=0.01)
             tail_start = path_in[-1]
