1 files changed, 95 insertions, 0 deletions
diff --git a/src/live_effects/parameter/powerstrokepointarray.h b/src/live_effects/parameter/powerstrokepointarray.h
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+++ b/src/live_effects/parameter/powerstrokepointarray.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LIVEPATHEFFECT_POWERSTROKE_POINT_ARRAY_H
+#define INKSCAPE_LIVEPATHEFFECT_POWERSTROKE_POINT_ARRAY_H
+
+/*
+ * Inkscape::LivePathEffectParameters
+ *
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include <glib.h>
+#include <2geom/point.h>
+
+#include "live_effects/parameter/array.h"
+
+#include "ui/knot/knot-holder-entity.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+class PowerStrokePointArrayParam : public ArrayParam<Geom::Point> {
+public:
+    PowerStrokePointArrayParam( const Glib::ustring& label,
+                const Glib::ustring& tip,
+                const Glib::ustring& key,
+                Inkscape::UI::Widget::Registry* wr,
+                Effect* effect);
+    ~PowerStrokePointArrayParam() override;
+
+    PowerStrokePointArrayParam(const PowerStrokePointArrayParam&) = delete;
+    PowerStrokePointArrayParam& operator=(const PowerStrokePointArrayParam&) = delete;
+
+    Gtk::Widget * param_newWidget() override;
+
+    void param_transform_multiply(Geom::Affine const& postmul, bool /*set*/) override;
+
+    void set_oncanvas_looks(Inkscape::CanvasItemCtrlShape shape,
+                            Inkscape::CanvasItemCtrlMode mode,
+                            guint32 color);
+
+    float median_width();
+
+    bool providesKnotHolderEntities() const override { return true; }
+    void addKnotHolderEntities(KnotHolder *knotholder, SPItem *item) override;
+    void param_update_default(const gchar * default_value) override{};
+
+    void set_pwd2(Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in, Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_normal_in);
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > const & get_pwd2() const { return last_pwd2; }
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > const & get_pwd2_normal() const { return last_pwd2_normal; }
+
+    void recalculate_controlpoints_for_new_pwd2(Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
+    std::vector<Geom::Point> reverse_controlpoints(bool write);
+    void set_scale_width(double scale_width){_scale_width = scale_width;};
+    double _scale_width;
+    ParamType paramType() const override { return ParamType::POWERSTROKE_POINT_ARRAY; };
+    friend class PowerStrokePointArrayParamKnotHolderEntity;
+
+private:
+    Inkscape::CanvasItemCtrlShape knot_shape = Inkscape::CANVAS_ITEM_CTRL_SHAPE_DIAMOND;
+    Inkscape::CanvasItemCtrlMode knot_mode = Inkscape::CANVAS_ITEM_CTRL_MODE_XOR;
+    guint32 knot_color;
+
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > last_pwd2;
+    Geom::Piecewise<Geom::D2<Geom::SBasis> > last_pwd2_normal;
+};
+
+class PowerStrokePointArrayParamKnotHolderEntity : public KnotHolderEntity {
+public:
+    PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index);
+    ~PowerStrokePointArrayParamKnotHolderEntity() override = default;
+
+    void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state) override;
+    void knot_ungrabbed(Geom::Point const &p, Geom::Point const &origin, guint state) override;
+    Geom::Point knot_get() const override;
+    virtual void knot_set_offset(Geom::Point offset);
+    void knot_click(guint state) override;
+
+    /** Checks whether the index falls within the size of the parameter's vector */
+    bool valid_index(unsigned int index) const {
+        return (_pparam->_vector.size() > index);
+    };
+
+private:
+    PowerStrokePointArrayParam *_pparam;
+    unsigned int _index;
+};
+
+} //namespace LivePathEffect
+
+} //namespace Inkscape
+
+#endif