Fix UTF8 bug, create first executable JAR file
[jvcard.git] / src / com / googlecode / lanterna / gui2 / ComponentRenderer.java
... / ...
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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 */
19package com.googlecode.lanterna.gui2;
20
21import com.googlecode.lanterna.TerminalSize;
22
23/**
24 * This interface defines a renderer for a component, an external class that does the sizing and rendering. All
25 * components will have a default renderer defined, which can usually be overridden manually and swapped out for a
26 * different renderer, but also themes can contain renderer definitions which are automatically assigned to their
27 * associated components.
28 * @param <T> Type of the component which this renderer is designed for
29 * @author Martin
30 */
31public interface ComponentRenderer<T extends Component> {
32 /**
33 * Given the supplied component, how large does this renderer want the component to be? Notice that this is the
34 * responsibility of the renderer and not the component itself, since the component has no idea what its visual
35 * representation looks like.
36 * @param component Component to calculate the preferred size of
37 * @return The size this renderer would like the component to take up
38 */
39 TerminalSize getPreferredSize(T component);
40
41 /**
42 * Using the supplied graphics object, draws the component passed in.
43 * @param graphics Graphics object to use for drawing
44 * @param component Component to draw
45 */
46 void drawComponent(TextGUIGraphics graphics, T component);
47}