- inline ColumnHandleItem *firstColumnHandle() const { return firstColHandle; }
- inline ColumnHandleItem *secondColumnHandle() const { return secondColHandle; }
+ inline bool isSingleBufferScene() const { return _singleBufferId.isValid(); }
+ inline BufferId singleBufferId() const { return _singleBufferId; }
+ bool containsBuffer(const BufferId &id) const;
+
+ ColumnHandleItem *firstColumnHandle() const;
+ ColumnHandleItem *secondColumnHandle() const;
+
+ inline CutoffMode senderCutoffMode() const { return _cutoffMode; }
+ inline void setSenderCutoffMode(CutoffMode mode) { _cutoffMode = mode; }