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diff --git a/src/live_effects/lpe-bspline.h b/src/live_effects/lpe-bspline.h
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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LPE_BSPLINE_H
+#define INKSCAPE_LPE_BSPLINE_H
+
+/*
+ * Inkscape::LPEBSpline
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ */
+
+#include "live_effects/effect.h"
+#include <vector>
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+class LPEBSpline : public Effect {
+public:
+ LPEBSpline(LivePathEffectObject *lpeobject);
+ ~LPEBSpline() override;
+ LPEBSpline(const LPEBSpline &) = delete;
+ LPEBSpline &operator=(const LPEBSpline &) = delete;
+
+ LPEPathFlashType pathFlashType() const override
+ {
+ return SUPPRESS_FLASH;
+ }
+ void doOnApply(SPLPEItem const* lpeitem) override;
+ void doEffect(SPCurve *curve) override;
+ void doBeforeEffect (SPLPEItem const* lpeitem) override;
+ void doBSplineFromWidget(SPCurve *curve, double value);
+ void addCanvasIndicators(SPLPEItem const */*lpeitem*/, std::vector<Geom::PathVector> &hp_vec) override;
+ Gtk::Widget *newWidget() override;
+ void changeWeight(double weightValue);
+ void toDefaultWeight();
+ void toMakeCusp();
+ void toWeight();
+
+ // TODO make this private
+ ScalarParam steps;
+
+private:
+ ScalarParam helper_size;
+ BoolParam apply_no_weight;
+ BoolParam apply_with_weight;
+ BoolParam only_selected;
+ ScalarParam weight;
+ Geom::PathVector hp;
+};
+void sp_bspline_do_effect(SPCurve *curve, double helper_size, Geom::PathVector &hp);
+
+} //namespace LivePathEffect
+} //namespace Inkscape
+#endif