lpe-patternalongpath.h

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// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Inkscape::LPEPatternAlongPath
 *
 * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
 *
 * Released under GNU GPL v2+, read the file 'COPYING' for more information.
 */
 
#ifndef INKSCAPE_LPE_PATTERN_ALONG_PATH_H
#define INKSCAPE_LPE_PATTERN_ALONG_PATH_H
 
#include "live_effects/parameter/enum.h"
#include "live_effects/effect.h"
#include "live_effects/parameter/path.h"
#include "live_effects/parameter/bool.h"
#include "live_effects/parameter/point.h"
 
namespace Inkscape {
 
namespace UI::Toolbar {
class PencilToolbar;
} // namespace UI::Toolbar
 
namespace LivePathEffect {
 
namespace WPAP {
class KnotHolderEntityWidthPatternAlongPath;
}
 
enum PAPCopyType {
    PAPCT_SINGLE = 0,
    PAPCT_SINGLE_STRETCHED,
    PAPCT_REPEATED,
    PAPCT_REPEATED_STRETCHED,
    PAPCT_END // This must be last
};
 
class LPEPatternAlongPath : public Effect {
public:
    LPEPatternAlongPath(LivePathEffectObject *lpeobject);
    ~LPEPatternAlongPath() override;
 
    void doBeforeEffect (SPLPEItem const* lpeitem) override;
    Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
    bool doOnOpen(SPLPEItem const *lpeitem) override;
    void transform_multiply(Geom::Affine const &postmul, bool set) override;
    void addCanvasIndicators(SPLPEItem const */*lpeitem*/, std::vector<Geom::PathVector> &hp_vec) override;
    void addKnotHolderEntities(KnotHolder * knotholder, SPItem * item) override;
 
    PathParam  pattern;
    friend class WPAP::KnotHolderEntityWidthPatternAlongPath;
    friend class Inkscape::UI::Toolbar::PencilToolbar;
 
protected:
    double original_height;
    ScalarParam prop_scale;
 
private:
    EnumParam<PAPCopyType> copytype;
    BoolParam scale_y_rel;
    ScalarParam  spacing;
    ScalarParam  normal_offset;
    ScalarParam  tang_offset;
    BoolParam    prop_units;
    BoolParam    vertical_pattern;
    BoolParam    hide_knot;
    ScalarParam  fuse_tolerance;
    KnotHolder * _knotholder;
    Geom::PathVector helper_path;
    void on_pattern_pasted();
 
    LPEPatternAlongPath(const LPEPatternAlongPath&);
    LPEPatternAlongPath& operator=(const LPEPatternAlongPath&);
};
 
}; //namespace LivePathEffect
}; //namespace Inkscape
 
#endif // INKSCAPE_LPE_PATTERN_ALONG_PATH_H
 
/*
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  End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :