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/*
* A simple toy to test the path along path
*
* Copyright 2007 Johan Engelen
*
* 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 <iostream>
#include <2geom/path-sink.h>
#include <2geom/svg-path-parser.h>
#include <2geom/sbasis.h>
#include <2geom/sbasis-geometric.h>
#include <2geom/bezier-to-sbasis.h>
#include <2geom/sbasis-to-bezier.h>
#include <2geom/d2.h>
#include <2geom/piecewise.h>
Geom::Piecewise<Geom::D2<Geom::SBasis> >
doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > & pwd2_in, Geom::Piecewise<Geom::D2<Geom::SBasis> > & pattern)
{
using namespace Geom;
Piecewise<D2<SBasis> > uskeleton = arc_length_parametrization(pwd2_in, 2, .1);
uskeleton = remove_short_cuts(uskeleton,.01);
Piecewise<D2<SBasis> > n = rot90(derivative(uskeleton));
n = force_continuity(remove_short_cuts(n,.1));
D2<Piecewise<SBasis> > patternd2 = make_cuts_independent(pattern);
Piecewise<SBasis> x = Piecewise<SBasis>(patternd2[0]);
Piecewise<SBasis> y = Piecewise<SBasis>(patternd2[1]);
Interval pattBnds = *bounds_exact(x);
x -= pattBnds.min();
Interval pattBndsY = *bounds_exact(y);
y -= (pattBndsY.max()+pattBndsY.min())/2;
int nbCopies = int(uskeleton.cuts.back()/pattBnds.extent());
double scaling = 1;
double pattWidth = pattBnds.extent() * scaling;
if (scaling != 1.0) {
x*=scaling;
}
double offs = 0;
Piecewise<D2<SBasis> > output;
for (int i=0; i<nbCopies; i++){
output.concat(compose(uskeleton,x+offs)+y*compose(n,x+offs));
offs+=pattWidth;
}
return output;
}
int main(int argc, char **argv) {
if (argc > 1) {
Geom::PathVector originald = Geom::parse_svg_path(&*argv[1]);
Geom::Piecewise<Geom::D2<Geom::SBasis> > originaldpwd2;
for (const auto & i : originald) {
originaldpwd2.concat( i.toPwSb() );
}
Geom::PathVector pattern = Geom::parse_svg_path(&*argv[2]);
Geom::Piecewise<Geom::D2<Geom::SBasis> > patternpwd2;
for (const auto & i : pattern) {
patternpwd2.concat( i.toPwSb() );
}
doEffect_pwd2(originaldpwd2, patternpwd2);
}
return 0;
};
/*
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 :
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