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+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LPE_DOEFFECT_STACK_H
+#define INKSCAPE_LPE_DOEFFECT_STACK_H
+
+/*
+ * Inkscape::LPEdoEffectStackTest
+ *
+ * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
+ *
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
+ *
+ * This effect is to test whether running up and down the doEffect stack does not change the original-d too much.
+ * i.e. for this effect, the output should match more or less exactly with the input.
+ *
+ */
+
+#include "live_effects/effect.h"
+#include "live_effects/parameter/parameter.h"
+#include "live_effects/parameter/point.h"
+#include "live_effects/parameter/path.h"
+
+namespace Inkscape {
+namespace LivePathEffect {
+
+class LPEdoEffectStackTest : public Effect {
+public:
+ LPEdoEffectStackTest(LivePathEffectObject *lpeobject);
+ ~LPEdoEffectStackTest() override;
+
+ void doEffect (SPCurve * curve) override;
+ Geom::PathVector doEffect_path (Geom::PathVector const & path_in) override;
+ Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in) override;
+
+private:
+ ScalarParam step;
+ PointParam point;
+ PathParam path;
+
+ LPEdoEffectStackTest(const LPEdoEffectStackTest&) = delete;
+ LPEdoEffectStackTest& operator=(const LPEdoEffectStackTest&) = delete;
+};
+
+}; //namespace LivePathEffect
+}; //namespace Inkscape
+
+#endif