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a3b510ab NR |
1 | /* |
2 | * This file is part of lanterna (http://code.google.com/p/lanterna/). | |
3 | * | |
4 | * lanterna is free software: you can redistribute it and/or modify | |
5 | * it under the terms of the GNU Lesser General Public License as published by | |
6 | * the Free Software Foundation, either version 3 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public License | |
15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
16 | * | |
17 | * Copyright (C) 2010-2015 Martin | |
18 | */ | |
19 | package com.googlecode.lanterna.graphics; | |
20 | ||
21 | import com.googlecode.lanterna.*; | |
22 | import com.googlecode.lanterna.screen.TabBehaviour; | |
23 | import java.util.Arrays; | |
24 | import java.util.Collection; | |
25 | import java.util.EnumSet; | |
26 | ||
27 | /** | |
28 | * TextGraphics implementation that does nothing, but has a pre-defined size | |
29 | * @author martin | |
30 | */ | |
31 | class NullTextGraphics implements TextGraphics { | |
32 | private final TerminalSize size; | |
33 | private TextColor foregroundColor; | |
34 | private TextColor backgroundColor; | |
35 | private TabBehaviour tabBehaviour; | |
36 | private final EnumSet<SGR> activeModifiers; | |
37 | ||
38 | /** | |
39 | * Creates a new {@code NullTextGraphics} that will return the specified size value if asked how big it is but other | |
40 | * than that ignore all other calls. | |
41 | * @param size The size to report | |
42 | */ | |
43 | public NullTextGraphics(TerminalSize size) { | |
44 | this.size = size; | |
45 | this.foregroundColor = TextColor.ANSI.DEFAULT; | |
46 | this.backgroundColor = TextColor.ANSI.DEFAULT; | |
47 | this.tabBehaviour = TabBehaviour.ALIGN_TO_COLUMN_4; | |
48 | this.activeModifiers = EnumSet.noneOf(SGR.class); | |
49 | } | |
50 | ||
51 | @Override | |
52 | public TerminalSize getSize() { | |
53 | return size; | |
54 | } | |
55 | ||
56 | @Override | |
57 | public TextGraphics newTextGraphics(TerminalPosition topLeftCorner, TerminalSize size) throws IllegalArgumentException { | |
58 | return this; | |
59 | } | |
60 | ||
61 | @Override | |
62 | public TextColor getBackgroundColor() { | |
63 | return backgroundColor; | |
64 | } | |
65 | ||
66 | @Override | |
67 | public TextGraphics setBackgroundColor(TextColor backgroundColor) { | |
68 | this.backgroundColor = backgroundColor; | |
69 | return this; | |
70 | } | |
71 | ||
72 | @Override | |
73 | public TextColor getForegroundColor() { | |
74 | return foregroundColor; | |
75 | } | |
76 | ||
77 | @Override | |
78 | public TextGraphics setForegroundColor(TextColor foregroundColor) { | |
79 | this.foregroundColor = foregroundColor; | |
80 | return this; | |
81 | } | |
82 | ||
83 | @Override | |
84 | public TextGraphics enableModifiers(SGR... modifiers) { | |
85 | activeModifiers.addAll(Arrays.asList(modifiers)); | |
86 | return this; | |
87 | } | |
88 | ||
89 | @Override | |
90 | public TextGraphics disableModifiers(SGR... modifiers) { | |
91 | activeModifiers.removeAll(Arrays.asList(modifiers)); | |
92 | return this; | |
93 | } | |
94 | ||
95 | @Override | |
96 | public TextGraphics setModifiers(EnumSet<SGR> modifiers) { | |
97 | clearModifiers(); | |
98 | activeModifiers.addAll(modifiers); | |
99 | return this; | |
100 | } | |
101 | ||
102 | @Override | |
103 | public TextGraphics clearModifiers() { | |
104 | activeModifiers.clear(); | |
105 | return this; | |
106 | } | |
107 | ||
108 | @Override | |
109 | public EnumSet<SGR> getActiveModifiers() { | |
110 | return EnumSet.copyOf(activeModifiers); | |
111 | } | |
112 | ||
113 | @Override | |
114 | public TabBehaviour getTabBehaviour() { | |
115 | return tabBehaviour; | |
116 | } | |
117 | ||
118 | @Override | |
119 | public TextGraphics setTabBehaviour(TabBehaviour tabBehaviour) { | |
120 | this.tabBehaviour = tabBehaviour; | |
121 | return this; | |
122 | } | |
123 | ||
124 | @Override | |
125 | public TextGraphics fill(char c) { | |
126 | return this; | |
127 | } | |
128 | ||
129 | @Override | |
130 | public TextGraphics setCharacter(int column, int row, char character) { | |
131 | return this; | |
132 | } | |
133 | ||
134 | @Override | |
135 | public TextGraphics setCharacter(int column, int row, TextCharacter character) { | |
136 | return this; | |
137 | } | |
138 | ||
139 | @Override | |
140 | public TextGraphics setCharacter(TerminalPosition position, char character) { | |
141 | return this; | |
142 | } | |
143 | ||
144 | @Override | |
145 | public TextGraphics setCharacter(TerminalPosition position, TextCharacter character) { | |
146 | return this; | |
147 | } | |
148 | ||
149 | @Override | |
150 | public TextGraphics drawLine(TerminalPosition fromPoint, TerminalPosition toPoint, char character) { | |
151 | return this; | |
152 | } | |
153 | ||
154 | @Override | |
155 | public TextGraphics drawLine(TerminalPosition fromPoint, TerminalPosition toPoint, TextCharacter character) { | |
156 | return this; | |
157 | } | |
158 | ||
159 | @Override | |
160 | public TextGraphics drawLine(int fromX, int fromY, int toX, int toY, char character) { | |
161 | return this; | |
162 | } | |
163 | ||
164 | @Override | |
165 | public TextGraphics drawLine(int fromX, int fromY, int toX, int toY, TextCharacter character) { | |
166 | return this; | |
167 | } | |
168 | ||
169 | @Override | |
170 | public TextGraphics drawTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, char character) { | |
171 | return this; | |
172 | } | |
173 | ||
174 | @Override | |
175 | public TextGraphics drawTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, TextCharacter character) { | |
176 | return this; | |
177 | } | |
178 | ||
179 | @Override | |
180 | public TextGraphics fillTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, char character) { | |
181 | return this; | |
182 | } | |
183 | ||
184 | @Override | |
185 | public TextGraphics fillTriangle(TerminalPosition p1, TerminalPosition p2, TerminalPosition p3, TextCharacter character) { | |
186 | return this; | |
187 | } | |
188 | ||
189 | @Override | |
190 | public TextGraphics drawRectangle(TerminalPosition topLeft, TerminalSize size, char character) { | |
191 | return this; | |
192 | } | |
193 | ||
194 | @Override | |
195 | public TextGraphics drawRectangle(TerminalPosition topLeft, TerminalSize size, TextCharacter character) { | |
196 | return this; | |
197 | } | |
198 | ||
199 | @Override | |
200 | public TextGraphics fillRectangle(TerminalPosition topLeft, TerminalSize size, char character) { | |
201 | return this; | |
202 | } | |
203 | ||
204 | @Override | |
205 | public TextGraphics fillRectangle(TerminalPosition topLeft, TerminalSize size, TextCharacter character) { | |
206 | return this; | |
207 | } | |
208 | ||
209 | @Override | |
210 | public TextGraphics drawImage(TerminalPosition topLeft, TextImage image) { | |
211 | return this; | |
212 | } | |
213 | ||
214 | @Override | |
215 | public TextGraphics drawImage(TerminalPosition topLeft, TextImage image, TerminalPosition sourceImageTopLeft, TerminalSize sourceImageSize) { | |
216 | return this; | |
217 | } | |
218 | ||
219 | @Override | |
220 | public TextGraphics putString(int column, int row, String string) { | |
221 | return this; | |
222 | } | |
223 | ||
224 | @Override | |
225 | public TextGraphics putString(TerminalPosition position, String string) { | |
226 | return this; | |
227 | } | |
228 | ||
229 | @Override | |
230 | public TextGraphics putString(int column, int row, String string, SGR extraModifier, SGR... optionalExtraModifiers) { | |
231 | return this; | |
232 | } | |
233 | ||
234 | @Override | |
235 | public TextGraphics putString(TerminalPosition position, String string, SGR extraModifier, SGR... optionalExtraModifiers) { | |
236 | return this; | |
237 | } | |
238 | ||
239 | @Override | |
240 | public TextGraphics putString(int column, int row, String string, Collection<SGR> extraModifiers) { | |
241 | return this; | |
242 | } | |
243 | ||
244 | @Override | |
245 | public TextCharacter getCharacter(int column, int row) { | |
246 | return null; | |
247 | } | |
248 | ||
249 | @Override | |
250 | public TextCharacter getCharacter(TerminalPosition position) { | |
251 | return null; | |
252 | } | |
253 | } |