From b680ec05b96630bc81ae5aaadfef8affd6f5738e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=BCrg=20Lehni?= <juerg@scratchdisk.com>
Date: Mon, 6 Mar 2017 10:13:14 +0100
Subject: [PATCH] Fix calls counting in addCurveIntersections() when dealing
 with straight curves.

See https://github.com/paperjs/paper.js/issues/1239#issuecomment-284340550
---
 src/path/Curve.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/path/Curve.js b/src/path/Curve.js
index 7e0dc232..0bc31673 100644
--- a/src/path/Curve.js
+++ b/src/path/Curve.js
@@ -1759,18 +1759,19 @@ new function() { // Scope for bezier intersection using fat-line clipping
         // as well as the total amount of calls, to avoid massive call-trees as
         // suggested by @iconexperience in #904#issuecomment-225283430.
         // See also: #565 #899 #1074
-        var abort = ++recursion >= 48 || ++calls > 256,
-            // Consider both curves as straight if we need to abort and see if
+        var abort = ++recursion >= 48 || ++calls > 4096,
+            // If we need to abort, consider both curves as straight and see if
             // their lines intersect.
             straight1 = abort || Curve.isStraight(v1),
             straight2 = abort || Curve.isStraight(v2);
         if (straight1 || straight2) {
-            return (straight1 && straight2
+            (straight1 && straight2
                 ? addLineIntersection
                 : addCurveLineIntersections)(
                         flip ? v2 : v1, flip ? v1 : v2,
                         flip ? c2 : c1, flip ? c1 : c2,
                         locations, include, recursion);
+            return calls;
         }
         // Use an epsilon smaller than CURVETIME_EPSILON to compare curve-time
         // parameters in fat-line clipping code.