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Boolean: Prevent rare exception where an encountered segment is not part of a valid path anymore.

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Relates to #1091
This commit is contained in:
Jürg Lehni 2016-07-14 09:14:11 +02:00
parent 80f4ba947f
commit 083a2c6e0d
1 changed files with 1 additions and 1 deletions
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src/path/PathItem.Boolean.js
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@ -527,7 +527,7 @@ PathItem.inject(new function() {
// are bringing us back to the beginning, and are both valid, // are bringing us back to the beginning, and are both valid,
// meaning they are part of the boolean result. // meaning they are part of the boolean result.
if (seg !== exclude && (isStart(seg) || isStart(nextSeg) if (seg !== exclude && (isStart(seg) || isStart(nextSeg)
|| !seg._visited && !nextSeg._visited || nextSeg && !seg._visited && !nextSeg._visited
// Self-intersections (!operator) don't need isValid() calls // Self-intersections (!operator) don't need isValid() calls
&& (!operator || isValid(seg) && (isValid(nextSeg) && (!operator || isValid(seg) && (isValid(nextSeg)
// If the next segment isn't valid, its intersection // If the next segment isn't valid, its intersection