krita

kis_layer_visitor.h

00001 /*
00002  *  Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 #ifndef KIS_LAYER_VISITOR_H_
00019 #define KIS_LAYER_VISITOR_H_
00020 
00021 #include "kis_global.h"
00022 #include "kis_types.h"
00023 
00024 class KisPaintLayer;
00025 class KisGroupLayer;
00026 class KisPartLayer;
00027 class KisAdjustmentLayer;
00028 
00029 class KisLayerVisitor {
00030 public:
00031     KisLayerVisitor() {};
00032     virtual ~KisLayerVisitor() {};
00033 
00034 public:
00035     virtual bool visit(KisPaintLayer *layer) = 0;
00036     virtual bool visit(KisGroupLayer *layer) = 0;
00037     virtual bool visit(KisPartLayer *layer) = 0;
00038     virtual bool visit(KisAdjustmentLayer *layer) = 0;
00039 };
00040 
00041 
00042 #endif // KIS_LAYER_VISITOR_H_
00043 
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