fix compositing for premultiplication and non-alpha cases

[inkscape.git] / src / composite-undo-stack-observer.h

diff --git a/src/composite-undo-stack-observer.h b/src/composite-undo-stack-observer.h
index 2de64898b75e7b5b5a0d9a0b47fdab981265ec3a..e24561ace61ca5467887c77fea9b2f2227ea4258 100644 (file)
--- a/src/composite-undo-stack-observer.h
+++ b/src/composite-undo-stack-observer.h
@@ -85,12 +85,32 @@ public:
                        this->_observer.notifyUndoCommitEvent(log);
                }
 
+               /**
+                * Issue a clear undo event to the UndoStackObserver
+                * that is associated with this
+                * UndoStackObserverRecord.
+                */
+               void issueClearUndo()
+               {
+                       this->_observer.notifyClearUndoEvent();
+               }
+            
+               /**
+                * Issue a clear redo event to the UndoStackObserver
+                * that is associated with this
+                * UndoStackObserverRecord.
+                */
+               void issueClearRedo()
+               {
+                       this->_observer.notifyClearRedoEvent();
+               }
+
        private:
                UndoStackObserver& _observer;
        };
 
        /// A list of UndoStackObserverRecords, used to aggregate multiple UndoStackObservers.
-       typedef std::list< UndoStackObserverRecord > UndoObserverRecordList;
+       typedef std::list< UndoStackObserverRecord, GC::Alloc< UndoStackObserverRecord, GC::MANUAL > > UndoObserverRecordList;
 
        /**
         * Constructor.
@@ -134,6 +154,9 @@ public:
         */
        void notifyUndoCommitEvent(Event* log);
 
+       virtual void notifyClearUndoEvent();
+       virtual void notifyClearRedoEvent();
+
 private:
        // Remove an observer from a given list
        bool _remove_one(UndoObserverRecordList& list, UndoStackObserver& rec);