diff options
Diffstat (limited to 'src/helper/geom-pathinfo.cpp')
| -rw-r--r-- | src/helper/geom-pathinfo.cpp | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/helper/geom-pathinfo.cpp b/src/helper/geom-pathinfo.cpp new file mode 100644 index 000000000..c8ba01bd0 --- /dev/null +++ b/src/helper/geom-pathinfo.cpp @@ -0,0 +1,178 @@ +/* + * pathinfo.cpp + * Authors: + * 2015 Jabier Arraiza Cenoz<jabier.arraiza@marker.es> + * Copyright 2015 authors + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, output to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + */ + +#include <helper/geom-pathinfo.h> +#include <2geom/sbasis-to-bezier.h> + +namespace Geom { + +Pathinfo::Pathinfo(Piecewise<D2<SBasis> > pwd2) + : _pwd2(pwd2) +{ + setPathInfo(); +}; + +Pathinfo::~Pathinfo(){}; + +Piecewise<D2<SBasis> > +Pathinfo::getPwd2() const +{ + return _pwd2; +} + +void +Pathinfo::setPwd2(Piecewise<D2<SBasis> > pwd2_in) +{ + _pwd2 = pwd2_in; + setPathInfo(); +} + + +void +Pathinfo::setPathInfo() +{ + _pathInfo.clear(); + std::vector<Geom::Path> path_in = path_from_piecewise(remove_short_cuts(_pwd2,0.1), 0.001); + size_t counter = 0; + for (PathVector::const_iterator path_it = path_in.begin(); path_it != path_in.end(); ++path_it) { + if (path_it->empty()){ + continue; + } + Geom::Path::const_iterator curve_it1 = path_it->begin(); + Geom::Path::const_iterator curve_endit = path_it->end_default(); + if (path_it->closed()) { + const Curve &closingline = path_it->back_closed(); + if (are_near(closingline.initialPoint(), closingline.finalPoint())) { + curve_endit = path_it->end_open(); + } + } + while (curve_it1 != curve_endit) { + ++curve_it1; + counter++; + } + if(path_it->closed()){ + _pathInfo.push_back(std::make_pair(counter-1,true)); + } else { + _pathInfo.push_back(std::make_pair(counter-1,false)); + } + } +} + +size_t +Pathinfo::getSubPathIndex(size_t index) const +{ + for(size_t i = 0; i < _pathInfo.size(); i++){ + if(index <= _pathInfo[i].first){ + return i; + } + } + return 0; +} + +size_t +Pathinfo::getLast(size_t index) const +{ + for(size_t i = 0; i < _pathInfo.size(); i++){ + if(index <= _pathInfo[i].first){ + return _pathInfo[i].first; + } + } + return 0; +} + +size_t +Pathinfo::getFirst(size_t index) const +{ + for(size_t i = 0; i < _pathInfo.size(); i++){ + if(index <= _pathInfo[i].first){ + if(i==0){ + return 0; + } else { + return _pathInfo[i-1].first + 1; + } + } + } + return 0; +} + +boost::optional<size_t> +Pathinfo::getPrevious(size_t index) const +{ + if(getFirst(index) == index && getIsClosed(index)){ + return getLast(index); + } + if(getFirst(index) == index && !getIsClosed(index)){ + return boost::none; + } + return index - 1; +} + +boost::optional<size_t> +Pathinfo::getNext(size_t index) const +{ + if(getLast(index) == index && getIsClosed(index)){ + return getFirst(index); + } + if(getLast(index) == index && !getIsClosed(index)){ + return boost::none; + } + return index + 1; +} + +bool +Pathinfo::getIsClosed(size_t index) const +{ + for(size_t i = 0; i < _pathInfo.size(); i++){ + if(index <= _pathInfo[i].first){ + return _pathInfo[i].second; + } + } + return false; +} + +std::vector<std::pair<size_t, bool> > +Pathinfo::getPathInfo() const +{ + return _pathInfo; +} + +}; // namespace Geom + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |