path.h revision 43f848b15ee40a6c108ae9d965cf06f055ecb7a5
#ifndef INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_H
#define INKSCAPE_LIVEPATHEFFECT_PARAMETER_PATH_H
/*
* Inkscape::LivePathEffectParameters
*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <glib/gtypes.h>
#include <2geom/path.h>
#include <gtkmm/tooltips.h>
#include "live_effects/parameter/parameter.h"
#include "live_effects/parameter/path-reference.h"
#include <sigc++/sigc++.h>
namespace Inkscape {
namespace LivePathEffect {
class PathParam : public Parameter {
public:
PathParam ( const Glib::ustring& label,
const Glib::ustring& tip,
const Glib::ustring& key,
Inkscape::UI::Widget::Registry* wr,
Effect* effect,
const gchar * default_value = "M0,0 L1,1");
virtual ~PathParam();
std::vector<Geom::Path> const & get_pathvector();
Geom::Piecewise<Geom::D2<Geom::SBasis> > const & get_pwd2();
virtual Gtk::Widget * param_newWidget(Gtk::Tooltips * tooltips);
bool param_readSVGValue(const gchar * strvalue);
gchar * param_writeSVGValue() const;
void param_set_default();
void param_set_and_write_default();
void param_set_and_write_new_value (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & newpath);
virtual void param_editOncanvas(SPItem * item, SPDesktop * dt);
virtual void param_setup_nodepath(Inkscape::NodePath::Path *np);
virtual void param_transform_multiply(Geom::Matrix const& /*postmul*/, bool /*set*/);
sigc::signal <void> signal_path_pasted;
sigc::signal <void> signal_path_changed;
protected:
std::vector<Geom::Path> _pathvector; // this is primary data storage, since it is closest to SVG.
Geom::Piecewise<Geom::D2<Geom::SBasis> > _pwd2; // secondary, hence the bool must_recalculate_pwd2
bool must_recalculate_pwd2; // set when _pathvector was updated, but _pwd2 not
void ensure_pwd2(); // ensures _pwd2 is up to date
gchar * href; // contains link to other object, e.g. "#path2428", NULL if PathParam contains pathdata itself
PathReference ref;
sigc::connection ref_changed_connection;
sigc::connection linked_delete_connection;
sigc::connection linked_modified_connection;
void ref_changed(SPObject *old_ref, SPObject *new_ref);
void remove_link();
void start_listening(SPObject * to);
void quit_listening(void);
void linked_delete(SPObject *deleted);
void linked_modified(SPObject *linked_obj, guint flags);
void on_edit_button_click();
void on_paste_button_click();
void on_copy_button_click();
void on_link_button_click();
gchar * defvalue;
private:
PathParam(const PathParam&);
PathParam& operator=(const PathParam&);
};
} //namespace LivePathEffect
} //namespace Inkscape
#endif