00001 //------------------------------------------------------------------------------ 00002 // This file is part of the OpenStructure project <www.openstructure.org> 00003 // 00004 // Copyright (C) 2008-2011 by the OpenStructure authors 00005 // Copyright (C) 2003-2010 by the IPLT authors 00006 // 00007 // This library is free software; you can redistribute it and/or modify it under 00008 // the terms of the GNU Lesser General Public License as published by the Free 00009 // Software Foundation; either version 3.0 of the License, or (at your option) 00010 // any later version. 00011 // This library is distributed in the hope that it will be useful, but WITHOUT 00012 // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00013 // FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 00014 // details. 00015 // 00016 // You should have received a copy of the GNU Lesser General Public License 00017 // along with this library; if not, write to the Free Software Foundation, Inc., 00018 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00019 //------------------------------------------------------------------------------ 00020 00021 /* 00022 Authors: Andreas Schenk, Ansgar Philippsen 00023 */ 00024 #ifndef MASK_BASE_HH_ 00025 #define MASK_BASE_HH_ 00026 00027 #include <ost/img/vecmat.hh> 00028 #include "mask_base_fw.hh" 00029 namespace ost { 00030 namespace img 00031 { 00032 00033 class MaskVisitor; 00034 00035 class DLLEXPORT_OST_IMG_BASE MaskBase 00036 { 00037 public: 00038 MaskBase(); 00039 virtual ~MaskBase(); 00040 virtual MaskPtr Clone()=0; 00041 virtual bool IsInside(const Vec2& v)=0; 00042 bool IsOutside(const Vec2& v){return !IsInside(v);} 00043 virtual void Shift(const Vec2& v)=0; 00044 virtual void Expand(Real d)=0; 00045 virtual void Shrink(Real d){Expand(-d);} 00046 virtual void Scale(Real d)=0; 00047 00048 // traverse mask hierarchy with a visitor 00049 virtual void Apply(MaskVisitor& v)=0; 00050 00051 }; 00052 00053 }}//ns 00054 00055 #endif /*MASK_BASE_HH_*/