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-rw-r--r-- | src/live_effects/parameter/powerstrokepointarray.h | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/live_effects/parameter/powerstrokepointarray.h b/src/live_effects/parameter/powerstrokepointarray.h new file mode 100644 index 0000000..73d1686 --- /dev/null +++ b/src/live_effects/parameter/powerstrokepointarray.h @@ -0,0 +1,95 @@ +// 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 |