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Diffstat (limited to 'src/py2geom/sbasis.cpp')
| -rw-r--r-- | src/py2geom/sbasis.cpp | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/py2geom/sbasis.cpp b/src/py2geom/sbasis.cpp new file mode 100644 index 0000000..be547ca --- /dev/null +++ b/src/py2geom/sbasis.cpp @@ -0,0 +1,173 @@ +/* + * Copyright 2006, 2007 Aaron Spike <aaron@ekips.org> + * + * 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, write 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 <boost/python.hpp> +#include <boost/python/implicit.hpp> +#include <boost/python/suite/indexing/vector_indexing_suite.hpp> + +#include "py2geom.h" +#include "helpers.h" + +#include "2geom/sbasis.h" +#include "2geom/sbasis-math.h" +#include "2geom/point.h" + +using namespace boost::python; + +Geom::SBasis (*truncate_sbasis)(Geom::SBasis const &, unsigned) = &Geom::truncate; +Geom::SBasis (*multiply_sbasis)(Geom::SBasis const &, Geom::SBasis const &) = &Geom::multiply; +Geom::SBasis (*integral_sbasis)(Geom::SBasis const &) = &Geom::integral; +Geom::SBasis (*derivative_sbasis)(Geom::SBasis const &) = &Geom::derivative; + +Geom::Linear sbasis_getitem(Geom::SBasis const& p, int index) +{ + int D = p.size(); + if (index < 0) + { + index = D + index; + } + if ((index < 0) || (index > (D - 1))) { + PyErr_SetString(PyExc_IndexError, "index out of range"); + boost::python::throw_error_already_set(); + } + return p[index]; +} + +int sbasis_len(Geom::SBasis const& p) +{ + return p.size(); +} + +#include "2geom/sbasis-to-bezier.h" +#include "2geom/bezier.h" + +Geom::Bezier sbasis_to_returned_bezier (Geom::SBasis const& sb, size_t sz = 0) { + Geom::Bezier res; + Geom::sbasis_to_bezier(res, sb, sz); + return res; +} + +/*object wrap_bounds_fast(Geom::SBasis const& sb) { + Geom::OptInterval oi = bounds_fast(sb); + return oi?object(*oi):object(); + }*/ + +template <typename T, typename target_type> +object wrap_bounds_fast(T const& sb) { + target_type oi = bounds_fast(sb); + return oi?object(*oi):object(); +} + + +object wrap_bounds_exact(Geom::SBasis const& sb) { + Geom::OptInterval oi = bounds_exact(sb); + return oi?object(*oi):object(); +} + +object wrap_bounds_local(Geom::SBasis const& sb, Geom::Interval const & iv) { + Geom::OptInterval oi = bounds_local(sb, iv); + return oi?object(*oi):object(); +} +void wrap_sbasis() { + //sbasis.h + + def("shift", (Geom::SBasis (*)(Geom::SBasis const &a, int sh))&Geom::shift); + def("truncate", truncate_sbasis); + def("multiply", multiply_sbasis); + def("compose", (Geom::SBasis (*) (Geom::SBasis const &, Geom::SBasis const &))&Geom::compose); + def("integral", integral_sbasis); + def("derivative", derivative_sbasis); + def("min", (Geom::Piecewise<Geom::SBasis> (*)(Geom::SBasis const &, Geom::SBasis const & ))&Geom::min); + def("sqrt", (Geom::SBasis (*)(Geom::SBasis const &, int ))&Geom::sqrt); + def("reciprocal", (Geom::SBasis (*)(Geom::Linear const &, int ))&Geom::reciprocal); + def("divide",(Geom::SBasis (*)(Geom::SBasis const &, Geom::SBasis const &, int )) &Geom::divide); + def("inverse", (Geom::SBasis (*)(Geom::SBasis, int ))&Geom::inverse); + //def("sin", (Geom::SBasis (*)(Geom::SBasis const &, int ))&Geom::sin); + //def("cos", (Geom::SBasis (*)(Geom::SBasis const &, int ))&Geom::cos); + def("reverse", (Geom::SBasis (*)(Geom::SBasis const &))&Geom::reverse); + def("roots", (std::vector<double> (*)(Geom::SBasis const &))&Geom::roots); + def("bounds_fast", &wrap_bounds_fast<Geom::SBasis, Geom::OptInterval>); + def("bounds_exact", &wrap_bounds_exact); + def("bounds_local", &wrap_bounds_local); + def("sbasis_to_bezier", &::sbasis_to_returned_bezier); + + class_<Geom::SBasis>("SBasis", init<double>()) + .def(init<double, double>()) + .def(init<Geom::Linear>()) + .def(self_ns::str(self)) + //TODO: add important vector funcs + .def("__getitem__", &sbasis_getitem) + .def("__len__", &sbasis_len) + + .def("isZero", &Geom::SBasis::isZero) + .def("isFinite", &Geom::SBasis::isFinite) + .def("at0", (double (Geom::SBasis::*)() const) &Geom::SBasis::at0) + .def("at1", (double (Geom::SBasis::*)() const) &Geom::SBasis::at1) + .def("valueAt", &Geom::SBasis::valueAt) + .def("toSBasis", &Geom::SBasis::toSBasis) + + .def("normalize", &Geom::SBasis::normalize) + .def("tailError", &Geom::SBasis::tailError) + .def("truncate", &Geom::SBasis::truncate) + + .def(self + self) + .def(self - self) + .def(self += self) + .def(self -= self) + + .def(self + Geom::Linear()) + .def(self - Geom::Linear()) + .def(self += Geom::Linear()) + .def(self -= Geom::Linear()) + + .def(self + float()) + .def(self - float()) + .def(self += float()) + .def(self -= float()) + + .def(-self) + .def(self * self) + .def(self *= self) + .def(self * float()) + .def(float() * self) + .def(self / float()) + .def(self *= float()) + .def(self /= float()) + ; +}; + +/* + 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 : |