File indexing completed on 2024-05-12 15:58:29

 /*
  *  SPDX-FileCopyrightText: 2005 C. Boemann <cbo@boemann.dk>
  *  SPDX-FileCopyrightText: 2007 Boudewijn Rempt <boud@valdyas.org>
  *
  *  SPDX-License-Identifier: GPL-2.0-or-later
  */
 #ifndef KIS_NODE_VISITOR_H_
 #define KIS_NODE_VISITOR_H_
 
 #include "kritaimage_export.h"
 
 class KisNode;
 class KisPaintLayer;
 class KisGroupLayer;
 class KisAdjustmentLayer;
 class KisExternalLayer;
 class KisCloneLayer;
 class KisFilterMask;
 class KisTransparencyMask;
 class KisSelectionMask;
 class KisGeneratorLayer;
 class KisTransformMask;
 class KisColorizeMask;
 
 
 class KRITAIMAGE_EXPORT KisNodeVisitor
 {
 public:
     KisNodeVisitor() {}
     virtual ~KisNodeVisitor() {}
 
 public:
     virtual bool visit(KisNode *node) = 0;
 
     virtual bool visit(KisPaintLayer *layer) = 0;
 
     virtual bool visit(KisGroupLayer *layer) = 0;
 
     virtual bool visit(KisAdjustmentLayer *layer) = 0;
 
     virtual bool visit(KisExternalLayer *layer) = 0;
 
     virtual bool visit(KisGeneratorLayer *layer) = 0;
 
     virtual bool visit(KisCloneLayer *layer) = 0;
 
     virtual bool visit(KisFilterMask *mask) = 0;
 
     virtual bool visit(KisTransformMask *mask) = 0;
 
     virtual bool visit(KisTransparencyMask *mask) = 0;
 
     virtual bool visit(KisSelectionMask *mask) = 0;
 
     virtual bool visit(KisColorizeMask *mask) = 0;
 
 protected:
 
     /**
      * Visit all child nodes of the given node starting with the first one until one node returns
      * false. Then visitAll returns false, otherwise true.
      *
      * @param node the parent node whose children will be visited
      * @param breakOnFail break if one of the children returns false on accept
      * @return true if none of the childnodes returns false on
      * accepting the visitor.
      */
     bool visitAll(KisNode * node, bool breakOnFail = false);
 
     /**
      * Visit all child nodes of the given node starting with the last one until one node returns
      * false. Then visitAll returns false, otherwise true.
      *
      * @param node the parent node whose children will be visited
      * @param breakOnFail break if one of the children returns false on accept
      * @return true if none of the childnodes returns false on
      * accepting the visitor.
      */
     bool visitAllInverse(KisNode * node, bool breakOnFail = false);
 };
 
 
 #endif // KIS_ NODE_VISITOR_H_