6f2a0d1fdcc96ba8f6263efb1de88fe5280f0667
1 #ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_H
2 #define INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_H
4 /*
5 * Inkscape::LivePathEffectParameters
6 *
7 * Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
8 *
9 * Released under GNU GPL, read the file 'COPYING' for more information
10 */
12 #include <glib/gtypes.h>
13 #include <2geom/path.h>
15 #include <gtkmm/tooltips.h>
17 #include "live_effects/parameter/parameter.h"
19 #include <sigc++/sigc++.h>
21 namespace Inkscape {
23 namespace LivePathEffect {
25 class PathParam : public Parameter {
26 public:
27 PathParam ( const Glib::ustring& label,
28 const Glib::ustring& tip,
29 const Glib::ustring& key,
30 Inkscape::UI::Widget::Registry* wr,
31 Effect* effect,
32 const gchar * default_value = "M0,0 L1,1");
33 virtual ~PathParam();
35 std::vector<Geom::Path> const & get_pathvector();
36 Geom::Piecewise<Geom::D2<Geom::SBasis> > const & get_pwd2();
38 virtual Gtk::Widget * param_newWidget(Gtk::Tooltips * tooltips);
40 bool param_readSVGValue(const gchar * strvalue);
41 gchar * param_writeSVGValue() const;
43 void param_set_default();
44 void param_set_and_write_default();
45 void param_set_and_write_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & newpath);
47 virtual void param_editOncanvas(SPItem * item, SPDesktop * dt);
48 virtual void param_setup_nodepath(Inkscape::NodePath::Path *np);
50 virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/);
52 sigc::signal <void> signal_path_pasted;
53 sigc::signal <void> signal_path_changed;
55 protected:
56 std::vector<Geom::Path> _pathvector; // this is primary data storage, since it is closest to SVG.
58 Geom::Piecewise<Geom::D2<Geom::SBasis> > _pwd2; // secondary, hence the bool must_recalculate_pwd2
59 bool must_recalculate_pwd2; // set when _pathvector was updated, but _pwd2 not
60 void ensure_pwd2(); // ensures _pwd2 is up to date
62 bool referring; // set when referring to another path, i.e. does not have its own pwd2, but should get it from another path
63 void update_from_referred(); // updates path data by looking up refered path
65 void on_edit_button_click();
66 void on_paste_button_click();
67 void on_copy_button_click();
69 gchar * defvalue;
71 private:
72 PathParam(const PathParam&);
73 PathParam& operator=(const PathParam&);
74 };
77 } //namespace LivePathEffect
79 } //namespace Inkscape
81 #endif