From c48271ab354db49cdbd740bc45e13be4f0f7993c Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Mon, 6 Dec 2021 22:25:14 +1100
Subject: [PATCH] Handle case where path count is zero

Conflict:NA
Reference:https://github.com/python-pillow/Pillow/pull/5920/commits/c48271ab354db49cdbd740bc45e13be4f0f7993c

---
 Tests/test_imagepath.py |  1 +
 src/path.c              | 33 +++++++++++++++++++--------------
 2 files changed, 20 insertions(+), 14 deletions(-)

diff --git a/Tests/test_imagepath.py b/Tests/test_imagepath.py
index cd850bb..b18271c 100644
--- a/Tests/test_imagepath.py
+++ b/Tests/test_imagepath.py
@@ -90,6 +90,7 @@ def test_path_odd_number_of_coordinates():
     [
         ([0, 1, 2, 3], (0.0, 1.0, 2.0, 3.0)),
         ([3, 2, 1, 0], (1.0, 0.0, 3.0, 2.0)),
+        (0, (0.0, 0.0, 0.0, 0.0)),
         (1, (0.0, 0.0, 0.0, 0.0)),
     ],
 )
diff --git a/src/path.c b/src/path.c
index 60def3f..a2637b6 100644
--- a/src/path.c
+++ b/src/path.c
@@ -338,21 +338,26 @@ path_getbbox(PyPathObject* self, PyObject* args)
 
     xy = self->xy;
 
-    x0 = x1 = xy[0];
-    y0 = y1 = xy[1];
+    if (self->count == 0) {
+        x0 = x1 = 0;
+        y0 = y1 = 0;
+    } else {
+        x0 = x1 = xy[0];
+        y0 = y1 = xy[1];
 
-    for (i = 1; i < self->count; i++) {
-        if (xy[i+i] < x0) {
-            x0 = xy[i+i];
-        }
-        if (xy[i+i] > x1) {
-            x1 = xy[i+i];
-        }
-        if (xy[i+i+1] < y0) {
-            y0 = xy[i+i+1];
-        }
-        if (xy[i+i+1] > y1) {
-            y1 = xy[i+i+1];
+	 for (i = 1; i < self->count; i++) {
+            if (xy[i + i] < x0) {
+                x0 = xy[i + i];
+            }
+            if (xy[i + i] > x1) {
+                x1 = xy[i + i];
+            }
+            if (xy[i + i + 1] < y0) {
+                y0 = xy[i + i + 1];
+            }
+            if (xy[i + i + 1] > y1) {
+                y1 = xy[i + i + 1];
+            }
         }
     }
 
-- 
2.27.0

