1 | // Copyright 2004-2007 Jean-Francois Poilpret |
2 | // |
3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
4 | // you may not use this file except in compliance with the License. |
5 | // You may obtain a copy of the License at |
6 | // |
7 | // http://www.apache.org/licenses/LICENSE-2.0 |
8 | // |
9 | // Unless required by applicable law or agreed to in writing, software |
10 | // distributed under the License is distributed on an "AS IS" BASIS, |
11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | // See the License for the specific language governing permissions and |
13 | // limitations under the License. |
14 | |
15 | package net.sourceforge.hiveboard.drawing; |
16 | |
17 | import java.awt.Font; |
18 | import java.awt.FontMetrics; |
19 | |
20 | import javax.swing.JTextArea; |
21 | import javax.swing.text.BadLocationException; |
22 | |
23 | import org.apache.commons.logging.Log; |
24 | import org.apache.commons.logging.LogFactory; |
25 | |
26 | final public class TextAreaInfo |
27 | { |
28 | static private final Log _logger = LogFactory.getLog(TextAreaInfo.class); |
29 | |
30 | public TextAreaInfo(JTextArea area) |
31 | { |
32 | try |
33 | { |
34 | int count = area.getLineCount(); |
35 | _lines = new String[count]; |
36 | for (int i = 0; i < count; i++) |
37 | { |
38 | int start = area.getLineStartOffset(i); |
39 | int end = area.getLineEndOffset(i); |
40 | _lines[i] = area.getText(start, end - start); |
41 | } |
42 | Font font = area.getFont(); |
43 | FontMetrics metrics = area.getFontMetrics(font); |
44 | _lineHeight = metrics.getHeight(); |
45 | } |
46 | catch (BadLocationException exc) |
47 | { |
48 | _logger.error("calculateText", exc); |
49 | } |
50 | } |
51 | |
52 | public String[] getLines() |
53 | { |
54 | return _lines; |
55 | } |
56 | |
57 | public int getLineHeight() |
58 | { |
59 | return _lineHeight; |
60 | } |
61 | |
62 | private String[] _lines = null; |
63 | private int _lineHeight = 0; |
64 | } |