lpe-sketch.h

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// SPDX-License-Identifier: GPL-2.0-or-later
/* Authors:
 *   Jean-Francois Barraud <jf.barraud@gmail.com>
 *   Johan Engelen <j.b.c.engelen@utwente.nl>
 *
 * Copyright (C) 2007 Authors
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#ifndef INKSCAPE_LPE_SKETCH_H
#define INKSCAPE_LPE_SKETCH_H
 
#include "live_effects/effect.h"
#include "live_effects/parameter/parameter.h"
#include "live_effects/parameter/random.h"
#include "live_effects/parameter/point.h"
 
#define LPE_SKETCH_USE_CONSTRUCTION_LINES
//#define LPE_SKETCH_USE_CURVATURE
 
namespace Inkscape {
namespace LivePathEffect {
 
class LPESketch : public Effect {
    
public:
    LPESketch(LivePathEffectObject *lpeobject);
    ~LPESketch() override;
 
    Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
 
    void doBeforeEffect (SPLPEItem const* lpeitem) override;
    Gtk::Widget *newWidget() override;
 
private:
    // add the parameters for your effect here:
    //PointParam testpointA;
    ScalarParam nbiter_approxstrokes;
    ScalarParam strokelength;
    RandomParam strokelength_rdm;
    ScalarParam strokeoverlap;
    RandomParam strokeoverlap_rdm;
    RandomParam ends_tolerance;
    RandomParam parallel_offset;
    RandomParam tremble_size;
    ScalarParam tremble_frequency;
 
#ifdef LPE_SKETCH_USE_CONSTRUCTION_LINES
    ScalarParam nbtangents;
    ScalarParam tgtscale;
    ScalarParam tgtlength;
    RandomParam tgtlength_rdm;
    RandomParam tgt_places_rdmness;
#ifdef LPE_SKETCH_USE_CURVATURE
    ScalarParam min_curvature;
    ScalarParam max_curvature;
#endif
#endif
    LPESketch(const LPESketch&) = delete;
    LPESketch& operator=(const LPESketch&) = delete;
 
    Geom::Piecewise<Geom::D2<Geom::SBasis> > computePerturbation (double s0, double s1);
 
};
 
} //namespace LivePathEffect
} //namespace Inkscape
 
#endif
 
/*
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  End:
*/
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