diff options
| -rw-r--r-- | Lib/defconQt/glyphView.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Lib/defconQt/glyphView.py b/Lib/defconQt/glyphView.py index d2eac03..c96a4f1 100644 --- a/Lib/defconQt/glyphView.py +++ b/Lib/defconQt/glyphView.py @@ -432,8 +432,13 @@ class OnCurvePointItem(QGraphicsPathItem): targetLen = children[selected-1].line().length()*2 else: targetLen = children[selected-1].line().length()+children[propagate-1].line().length() - tmpLine = QLineF(newValue, QPointF(0, 0)) - tmpLine.setLength(targetLen) + if not newValue.isNull(): + tmpLine = QLineF(newValue, QPointF()) + tmpLine.setLength(targetLen) + else: + # if newValue is null, we’d construct a zero-length line and collapse + # both offCurves + tmpLine = QLineF(QPointF(), children[propagate].pos()) children[propagate].setFlag(QGraphicsItem.ItemSendsGeometryChanges, False) children[propagate].setPos(tmpLine.x2(), tmpLine.y2()) children[propagate].setFlag(QGraphicsItem.ItemSendsGeometryChanges) |