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 transformation interface 00023 00024 Author: Ansgar Philippsen 00025 */ 00026 00027 #ifndef _IMG_TRANSFORMATION_H 00028 #define _IMG_TRANSFORMATION_H 00029 00030 #include <cmath> 00031 00032 #include <ost/img/vecmat.hh> 00033 #include <ost/img/extent.hh> 00034 #include <ost/img/point.hh> 00035 00036 #include <ost/img/alg/module_config.hh> 00037 namespace ost { namespace img { namespace alg { 00038 00040 00054 class DLLEXPORT_IMG_ALG Transformation { 00055 public: 00056 enum SizeRule {ORIGINAL, FIT}; 00057 00058 Transformation(); 00059 Transformation(const Mat4& tmat); 00060 Transformation(const Mat4& tmat,const Mat4& imat); 00061 00062 Mat4& Matrix() {return tmat_;} 00063 const Mat4& Matrix() const {return tmat_;} 00064 00065 Mat4& InverseMatrix() {return imat_;} 00066 const Mat4& InverseMatrix() const {return imat_;} 00067 00068 Point Apply(const Point& p); 00069 Extent Apply(const Extent& e); 00070 00071 00072 protected: 00073 Mat4 tmat_; 00074 Mat4 imat_; 00075 }; 00076 00077 }}} // ns 00078 00079 #endif 00080