lpe-envelope.h

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// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef INKSCAPE_LPE_ENVELOPE_H
#define INKSCAPE_LPE_ENVELOPE_H
 
/*
 * Inkscape::LPEEnvelope
 *
 * Copyright (C) Steren Giannini 2008 <steren.giannini@gmail.com>
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#include "live_effects/parameter/enum.h"
#include "live_effects/effect.h"
#include "live_effects/parameter/path.h"
#include "live_effects/parameter/bool.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>
 
#include "live_effects/lpegroupbbox.h"
 
namespace Inkscape {
namespace LivePathEffect {
 
class LPEEnvelope : public Effect, GroupBBoxEffect {
public:
    LPEEnvelope(LivePathEffectObject *lpeobject);
    ~LPEEnvelope() override;
    
    bool doOnOpen(SPLPEItem const *lpeitem) override;
    void doBeforeEffect (SPLPEItem const* lpeitem) override;
    void transform_multiply(Geom::Affine const &postmul, bool set) override;
 
    Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
 
    void resetDefaults(SPItem const* item) override;
 
private:
    PathParam  bend_path1;
    PathParam  bend_path2;
    PathParam  bend_path3;
    PathParam  bend_path4;
    BoolParam  xx;
    BoolParam  yy;
 
    void on_pattern_pasted();
 
    LPEEnvelope(const LPEEnvelope&);
    LPEEnvelope& operator=(const LPEEnvelope&);
};
 
}; //namespace LivePathEffect
}; //namespace Inkscape
 
#endif