1 #ifndef __SHAPE_EDITOR_H__
2 #define __SHAPE_EDITOR_H__
4 /*
5 * Inkscape::ShapeEditor
6 *
7 * This is a container class which contains either knotholder (for shapes) or nodepath (for
8 * paths). It is attached to a single item so only one of these is active at a time.
9 *
10 * Authors:
11 * bulia byak <buliabyak@users.sf.net>
12 *
13 */
15 #include <forward.h>
17 namespace Inkscape {
18 namespace NodePath {
19 class Path;
20 typedef enum NodeType;
21 }
22 }
24 #include "libnr/nr-path-code.h"
25 #include "libnr/nr-point.h"
27 class SPKnotHolder;
28 class SPDesktop;
29 class SPNodeContext;
30 class ShapeEditorsCollective;
32 class ShapeEditor {
33 public:
35 ShapeEditor(SPDesktop *desktop);
36 ~ShapeEditor();
38 void set_item (SPItem *item);
39 void unset_item ();
41 SPItem *get_item ();
43 bool has_nodepath ();
44 bool has_knotholder ();
46 bool has_local_change ();
47 void decrement_local_change ();
49 GList *save_nodepath_selection ();
50 void restore_nodepath_selection (GList *saved);
52 void nodepath_destroyed ();
54 void update_statusbar ();
56 bool is_over_stroke (NR::Point event_p, bool remember);
58 void add_node_near_point(); // uses the shapeeditor's remembered point, if any
60 void select_segment_near_point(bool toggle); // uses the shapeeditor's remembered point, if any
62 void cancel_hit ();
64 bool hits_curve ();
66 void curve_drag (gdouble eventx, gdouble eventy);
68 void finish_drag ();
70 void select_rect (NR::Rect const &rect, bool add);
72 bool has_selection ();
73 void deselect ();
75 Inkscape::NodePath::Path *get_nodepath() {return nodepath;} //((deprecated))
76 ShapeEditorsCollective *get_container() {return container;}
78 void add_node();
80 void delete_nodes();
81 void delete_nodes_preserving_shape();
83 void set_node_type(Inkscape::NodePath::NodeType type);
85 void break_at_nodes();
86 void join_nodes();
88 void duplicate_nodes();
90 void set_type_of_segments(NRPathcode code);
92 void move_nodes(gdouble dx, gdouble dy);
93 void move_nodes_screen(gdouble dx, gdouble dy);
95 void rotate_nodes(gdouble angle, int which, bool screen);
97 void scale_nodes(gdouble const grow, int const which);
98 void scale_nodes_screen(gdouble const grow, int const which);
100 void select_all (bool invert);
101 void select_all_from_subpath (bool invert);
102 void select_next ();
103 void select_prev ();
105 void flip (NR::Dim2 axis);
107 void distribute (NR::Dim2 axis);
108 void align (NR::Dim2 axis);
110 private:
111 SPDesktop *desktop;
113 Inkscape::NodePath::Path *nodepath;
114 SPKnotHolder *knotholder;
116 ShapeEditorsCollective *container;
118 //Inkscape::XML::Node *lidtened_repr;
120 double grab_t;
121 int grab_node; // number of node grabbed by sp_node_context_is_over_stroke
122 bool hit;
123 NR::Point curvepoint_event; // int coords from event
124 NR::Point curvepoint_doc; // same, in doc coords
125 };
128 /* As the next stage, this will be a collection of multiple ShapeEditors,
129 with the same interface as the single ShapeEditor, passing the actions to all its
130 contained ShapeEditors. Thus it should be easy to switch node context from
131 using a single ShapeEditor to using a ShapeEditorsCollective. */
133 class ShapeEditorsCollective {
134 public:
136 ShapeEditorsCollective(SPDesktop *desktop);
137 ~ShapeEditorsCollective();
139 void update_statusbar();
141 private:
142 std::vector<ShapeEditor> editors;
144 SPNodeContext *nc; // who holds us
145 };
147 #endif
150 /*
151 Local Variables:
152 mode:c++
153 c-file-style:"stroustrup"
154 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
155 indent-tabs-mode:nil
156 fill-column:99
157 End:
158 */
159 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :