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"
18 #include "live_effects/parameter/path-reference.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 virtual bool param_readSVGValue(const gchar * strvalue);
41 virtual gchar * param_getSVGValue() const;
43 virtual void param_set_default();
44 void param_set_and_write_default();
45 void set_new_value (std::vector<Geom::Path> const &newpath, bool write_to_svg);
46 void set_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > const &newpath, bool write_to_svg);
48 virtual void param_editOncanvas(SPItem * item, SPDesktop * dt);
49 virtual void param_setup_nodepath(Inkscape::NodePath::Path *np);
51 virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/);
53 sigc::signal <void> signal_path_pasted;
54 sigc::signal <void> signal_path_changed;
56 void paste_param_path(const char *svgd);
57 void on_paste_button_click();
59 protected:
60 std::vector<Geom::Path> _pathvector; // this is primary data storage, since it is closest to SVG.
62 Geom::Piecewise<Geom::D2<Geom::SBasis> > _pwd2; // secondary, hence the bool must_recalculate_pwd2
63 bool must_recalculate_pwd2; // set when _pathvector was updated, but _pwd2 not
64 void ensure_pwd2(); // ensures _pwd2 is up to date
66 gchar * href; // contains link to other object, e.g. "#path2428", NULL if PathParam contains pathdata itself
67 PathReference ref;
68 sigc::connection ref_changed_connection;
69 sigc::connection linked_delete_connection;
70 sigc::connection linked_modified_connection;
71 void ref_changed(SPObject *old_ref, SPObject *new_ref);
72 void remove_link();
73 void start_listening(SPObject * to);
74 void quit_listening(void);
75 void linked_delete(SPObject *deleted);
76 void linked_modified(SPObject *linked_obj, guint flags);
78 void on_edit_button_click();
79 void on_copy_button_click();
80 void on_link_button_click();
82 gchar * defvalue;
84 private:
85 PathParam(const PathParam&);
86 PathParam& operator=(const PathParam&);
87 };
90 } //namespace LivePathEffect
92 } //namespace Inkscape
94 #endif