1 /*
2 Copyright (C) 2012 Johan Mattsson
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 3 of the
7 License, or (at your option) any later version.
8
9 This library is distributed in the hope that it will be useful, but
10 WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13 */
14
15 using Math;
16 using Cairo;
17
18 namespace BirdFont {
19
20 public class RectangleTool : Tool {
21
22 Path rectangle = new Path ();
23
24 double press_x = -1;
25 double press_y = -1;
26
27 bool resize = false;
28
29 public RectangleTool (string n) {
30 base (n, t_("Rectangle"));
31
32 press_action.connect((self, b, x, y) => {
33 press (b, x, y);
34 });
35
36 release_action.connect((self, b, x, y) => {
37 press_x = -1;
38 press_y = -1;
39 rectangle = new Path ();
40 resize = false;
41 });
42
43 move_action.connect ((self, x, y) => {
44 move (x, y);
45 });
46 }
47
48 void move (double x, double y) {
49 Glyph g;
50 double x1, y1, x2, y2;
51
52 if (resize) {
53 g = MainWindow.get_current_glyph ();
54 g.delete_path (rectangle);
55
56 rectangle = new Path ();
57
58 x1 = Glyph.path_coordinate_x (press_x);
59 y1 = Glyph.path_coordinate_y (press_y);
60 x2 = Glyph.path_coordinate_x (x);
61 y2 = Glyph.path_coordinate_y (y);
62
63 if (GridTool.is_visible ()) {
64 GridTool.tie_coordinate (ref x1, ref y1);
65 GridTool.tie_coordinate (ref x2, ref y2);
66 }
67
68 rectangle.add (x1, y1);
69 rectangle.add (x2, y1);
70 rectangle.add (x2, y2);
71 rectangle.add (x1, y2);
72
73 if (StrokeTool.add_stroke) {
74 rectangle.stroke = StrokeTool.stroke_width;
75 rectangle.line_cap = StrokeTool.line_cap;
76 }
77
78 rectangle.init_point_type ();
79 rectangle.close ();
80
81 g.add_path (rectangle);
82
83 foreach (EditPoint e in rectangle.points) {
84 rectangle.recalculate_linear_handles_for_point (e);
85 }
86
87 rectangle.reset_stroke ();
88 rectangle.update_region_boundaries ();
89
90 GlyphCanvas.redraw ();
91 }
92 }
93
94 void press (int button, double x, double y) {
95 press_x = x;
96 press_y = y;
97 resize = true;
98
99 GlyphCanvas.redraw ();
100 }
101 }
102
103 }
104