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bezier.cpp
Go to the documentation of this file.
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/*
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* Copyright 2006, 2007 Aaron Spike <aaron@ekips.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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*/
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#include <boost/python.hpp>
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#include <boost/python/implicit.hpp>
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#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
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#include "
py2geom.h
"
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#include "
helpers.h
"
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#include "
2geom/bezier.h
"
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#include "
2geom/point.h
"
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using namespace
boost::python;
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double
bezier_getitem
(
Geom::Bezier
const
& p,
int
index
)
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{
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int
D
= p.
size
();
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if
(
index
< 0)
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{
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index
=
D
+
index
;
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}
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if
((
index
< 0) || (
index
> (
D
- 1))) {
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PyErr_SetString(PyExc_IndexError,
"index out of range"
);
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boost::python::throw_error_already_set();
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}
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return
p[
index
];
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}
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void
wrap_bezier
() {
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//bezier.h
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class_<Geom::Bezier>(
"Bezier"
, init<double>())
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.def(init<double, double>())
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.def(init<double, double, double>())
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.def(init<double, double, double, double>())
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.def(self_ns::str(self))
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//TODO: add important vector funcs
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.def(
"__getitem__"
, &
bezier_getitem
)
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.def(
"isZero"
, &
Geom::Bezier::isZero
)
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.def(
"isFinite"
, &
Geom::Bezier::isFinite
)
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.def(
"at0"
, (
double
(
Geom::Bezier
::*)()
const
) &
Geom::Bezier::at0
)
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.def(
"at1"
, (
double
(
Geom::Bezier
::*)()
const
) &
Geom::Bezier::at1
)
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.def(
"valueAt"
, &
Geom::Bezier::valueAt
)
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.def(
"toSBasis"
, &
Geom::Bezier::toSBasis
)
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.def(self +
float
())
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.def(self -
float
())
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.def(self *
float
())
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;
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};
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/*
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Local Variables:
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mode:c++
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c-file-style:"stroustrup"
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c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
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indent-tabs-mode:nil
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fill-column:99
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End:
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*/
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// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 :
point.h
Cartesian point / 2D vector and related operations.
SPAttr::D
@ D
bezier.h
Bernstein-Bezier polynomial.
Geom::Bezier
Polynomial in Bernstein-Bezier basis.
Definition
bezier.h:126
Geom::Bezier::isFinite
bool isFinite() const
Definition
bezier.h:266
Geom::Bezier::isZero
bool isZero(double eps=EPSILON) const
Definition
bezier.h:254
Geom::Bezier::size
unsigned size() const
Definition
bezier.h:147
Geom::Bezier::at0
Coord at0() const
Definition
bezier.h:272
Geom::Bezier::toSBasis
SBasis toSBasis() const
Definition
bezier.cpp:187
Geom::Bezier::valueAt
Coord valueAt(double t) const
Definition
bezier.h:277
Geom::Bezier::at1
Coord at1() const
Definition
bezier.h:274
helpers.h
wrap_bezier
void wrap_bezier()
Definition
bezier.cpp:55
bezier_getitem
double bezier_getitem(Geom::Bezier const &p, int index)
Definition
bezier.cpp:41
py2geom.h
index
int index
Definition
tab-strip.cpp:875
src
3rdparty
2geom
src
py2geom
bezier.cpp
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