1 files changed, 87 insertions, 0 deletions
diff --git a/src/live_effects/parameter/vector.h b/src/live_effects/parameter/vector.h
new file mode 100644
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--- /dev/null
+++ b/src/live_effects/parameter/vector.h
@@ -0,0 +1,87 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_VECTOR_H
+#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_VECTOR_H
+
+/*
+ * Inkscape::LivePathEffectParameters
+ *
+ * Copyright (C) Johan Engelen 2008 <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/parameter.h"
+
+#include "knot-holder-entity.h"
+
+namespace Inkscape {
+
+namespace LivePathEffect {
+
+
+class VectorParam : public Parameter {
+public:
+    VectorParam( const Glib::ustring& label,
+                const Glib::ustring& tip,
+                const Glib::ustring& key,
+                Inkscape::UI::Widget::Registry* wr,
+                Effect* effect,
+                Geom::Point default_vector = Geom::Point(1,0) );
+    ~VectorParam() override;
+
+    Gtk::Widget * param_newWidget() override;
+    inline const gchar *handleTip() const { return param_tooltip.c_str(); }
+
+    bool param_readSVGValue(const gchar * strvalue) override;
+    Glib::ustring param_getSVGValue() const override;
+    Glib::ustring param_getDefaultSVGValue() const override;
+
+    Geom::Point getVector() const { return vector; };
+    Geom::Point getOrigin() const { return origin; };
+    void setValues(Geom::Point const &new_origin, Geom::Point const &new_vector) { setVector(new_vector); setOrigin(new_origin); };
+    void setVector(Geom::Point const &new_vector) { vector = new_vector; };
+    void setOrigin(Geom::Point const &new_origin) { origin = new_origin; };
+    void param_set_default() override;
+
+    void set_and_write_new_values(Geom::Point const &new_origin, Geom::Point const &new_vector);
+
+    void param_transform_multiply(Geom::Affine const &postmul, bool set) override;
+
+    void set_vector_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color);
+    void set_origin_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color);
+    void set_oncanvas_color(guint32 color);
+    void param_update_default(Geom::Point default_point);
+    void param_update_default(const gchar * default_point) override;
+    bool providesKnotHolderEntities() const override { return true; }
+    void addKnotHolderEntities(KnotHolder *knotholder, SPItem *item) override;
+
+private:
+    VectorParam(const VectorParam&) = delete;
+    VectorParam& operator=(const VectorParam&) = delete;
+
+    Geom::Point defvalue;
+
+    Geom::Point origin;
+    Geom::Point vector;
+
+    /// The looks of the vector and origin knots oncanvas
+    SPKnotShapeType vec_knot_shape;
+    SPKnotModeType  vec_knot_mode;
+    guint32         vec_knot_color;
+    SPKnotShapeType ori_knot_shape;
+    SPKnotModeType  ori_knot_mode;
+    guint32         ori_knot_color;
+
+    friend class VectorParamKnotHolderEntity_Origin;
+    friend class VectorParamKnotHolderEntity_Vector;
+};
+
+
+} //namespace LivePathEffect
+
+} //namespace Inkscape
+
+#endif