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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_LPE_PARALLEL_H
#define INKSCAPE_LPE_PARALLEL_H
/** \file
* LPE <parallel> implementation
*/
/*
* Authors:
* Maximilian Albert
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
* Copyright (C) Maximilian Albert 2008 <maximilian.albert@gmail.com>
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "live_effects/effect.h"
#include "live_effects/parameter/point.h"
namespace Inkscape {
namespace LivePathEffect {
namespace Pl {
// we need a separate namespace to avoid clashes with LPEPerpBisector
class KnotHolderEntityLeftEnd;
class KnotHolderEntityRightEnd;
}
class LPEParallel : public Effect {
public:
LPEParallel(LivePathEffectObject *lpeobject);
~LPEParallel() override;
void doOnApply (SPLPEItem const* lpeitem) override;
Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
/* the knotholder entity classes must be declared friends */
friend class Pl::KnotHolderEntityLeftEnd;
friend class Pl::KnotHolderEntityRightEnd;
void addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item);
private:
PointParam offset_pt;
ScalarParam length_left;
ScalarParam length_right;
Geom::Point A;
Geom::Point B;
Geom::Point C;
Geom::Point D;
Geom::Point M;
Geom::Point N;
Geom::Point dir;
LPEParallel(const LPEParallel&) = delete;
LPEParallel& operator=(const LPEParallel&) = delete;
};
} //namespace LivePathEffect
} //namespace Inkscape
#endif
/*
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 :
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