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Handle empty paths in Path#join()

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Closes #516
This commit is contained in:
Jürg Lehni 2015-01-05 00:42:00 +01:00
parent 6562f861ab
commit 1803cd216a
1 changed files with 11 additions and 8 deletions
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19
src/path/Path.js
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@ -1250,7 +1250,8 @@ var Path = PathItem.extend(/** @lends Path# */{
* Joins the path with the specified path, which will be removed in the
* process.
*
* @param {Path} path
* @param {Path} path the path to join this path with
* @return {Path} the joined path
*
* @example {@paperscript}
* // Joining two paths:
@ -1316,19 +1317,20 @@ var Path = PathItem.extend(/** @lends Path# */{
var segments = path._segments,
last1 = this.getLastSegment(),
last2 = path.getLastSegment();
if (last1._point.equals(last2._point))
if (!last2) // an empty path?
return this;
if (last1 && last1._point.equals(last2._point))
path.reverse();
var first1,
first2 = path.getFirstSegment();
if (last1._point.equals(first2._point)) {
var first2 = path.getFirstSegment();
if (last1 && last1._point.equals(first2._point)) {
last1.setHandleOut(first2._handleOut);
this._add(segments.slice(1));
} else {
first1 = this.getFirstSegment();
if (first1._point.equals(first2._point))
var first1 = this.getFirstSegment();
if (first1 && first1._point.equals(first2._point))
path.reverse();
last2 = path.getLastSegment();
if (first1._point.equals(last2._point)) {
if (first1 && first1._point.equals(last2._point)) {
first1.setHandleIn(last2._handleIn);
// Prepend all segments from path except the last one
this._add(segments.slice(0, segments.length - 1), 0);
@ -1351,6 +1353,7 @@ var Path = PathItem.extend(/** @lends Path# */{
last.remove();
this.setClosed(true);
}
return this;
},