1 /*
2 Copyright (C) 2014 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 using Cairo;
15 using Math;
16
17 namespace BirdFont {
18
19 public class SpacingData : GLib.Object {
20
21 public KerningClasses kerning_classes;
22
23 public Gee.ArrayList<SpacingClass> classes = new Gee.ArrayList<SpacingClass> ();
24 Gee.ArrayList<string> connections = new Gee.ArrayList<string> ();
25
26 public SpacingData (KerningClasses kerning) {
27 kerning_classes = kerning;
28 }
29
30 public KerningClasses get_kerning_classes () {
31 return kerning_classes;
32 }
33
34 public Gee.ArrayList<string> get_all_connections (string glyph) {
35 Gee.ArrayList<string> c = new Gee.ArrayList<string> ();
36
37 connections.clear ();
38 add_connections (glyph);
39
40 foreach (string t in connections) {
41 c.add (t);
42 }
43
44 connections.clear ();
45
46 return c;
47 }
48
49 public void add_connections (string glyph) {
50 connections.add (glyph);
51
52 foreach (SpacingClass s in classes) {
53 if (s.first == glyph) {
54 if (connections.index_of (s.next) == -1) {
55 add_connections (s.next);
56 }
57 }
58
59 if (s.next == glyph) {
60 if (connections.index_of (s.first) == -1) {
61 add_connections (s.first);
62 }
63 }
64 }
65
66 connections.sort ((a, b) => {
67 return strcmp ((string) a, (string) b);
68 });
69 }
70
71 public void add_class (string first, string next) {
72 SpacingClass s = new SpacingClass (first, next);
73 s.updated.connect (update_all_rows);
74 s.updated.connect (update_kerning);
75 classes.add (s);
76 update_kerning (s);
77 }
78
79 void update_all_rows (SpacingClass s) {
80 MainWindow.get_spacing_class_tab ().update_rows ();
81 }
82
83 public void update_kerning (SpacingClass s) {
84 Font font = BirdFont.get_current_font ();
85 GlyphCollection? g;
86 GlyphCollection gc;
87
88 if (s.next != "?") {
89 kerning_classes.update_space_class (s.next);
90 g = font.get_glyph_collection (s.next);
91 if (g != null) {
92 gc = (!) g;
93 gc.get_current ().update_spacing_class ();
94 }
95 }
96
97 if (s.first != "?") {
98 kerning_classes.update_space_class (s.first);
99 g = font.get_glyph_collection (s.first);
100 if (g != null) {
101 gc = (!) g;
102 gc.get_current ().update_spacing_class ();
103 }
104 }
105
106 KerningTools.update_spacing_classes ();
107 }
108 }
109
110 }
111