01: /*
02: * $Id: SplitCharacter.java 2739 2007-05-04 11:24:51Z blowagie $
03: * $Name$
04: *
05: * Copyright 2001, 2002 by Paulo Soares
06: *
07: * The contents of this file are subject to the Mozilla Public License Version 1.1
08: * (the "License"); you may not use this file except in compliance with the License.
09: * You may obtain a copy of the License at http://www.mozilla.org/MPL/
10: *
11: * Software distributed under the License is distributed on an "AS IS" basis,
12: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13: * for the specific language governing rights and limitations under the License.
14: *
15: * The Original Code is 'iText, a free JAVA-PDF library'.
16: *
17: * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
18: * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
19: * All Rights Reserved.
20: * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
21: * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
22: *
23: * Contributor(s): all the names of the contributors are added in the source code
24: * where applicable.
25: *
26: * Alternatively, the contents of this file may be used under the terms of the
27: * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
28: * provisions of LGPL are applicable instead of those above. If you wish to
29: * allow use of your version of this file only under the terms of the LGPL
30: * License and not to allow others to use your version of this file under
31: * the MPL, indicate your decision by deleting the provisions above and
32: * replace them with the notice and other provisions required by the LGPL.
33: * If you do not delete the provisions above, a recipient may use your version
34: * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
35: *
36: * This library is free software; you can redistribute it and/or modify it
37: * under the terms of the MPL as stated above or under the terms of the GNU
38: * Library General Public License as published by the Free Software Foundation;
39: * either version 2 of the License, or any later version.
40: *
41: * This library is distributed in the hope that it will be useful, but WITHOUT
42: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
43: * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
44: * details.
45: *
46: * If you didn't download this code from the following link, you should check if
47: * you aren't using an obsolete version:
48: * http://www.lowagie.com/iText/
49: */
50:
51: package com.lowagie.text;
52:
53: import com.lowagie.text.pdf.PdfChunk;
54:
55: /** Interface for customizing the split character.
56: *
57: * @author Paulo Soares (psoares@consiste.pt)
58: */
59:
60: public interface SplitCharacter {
61:
62: /**
63: * Returns <CODE>true</CODE> if the character can split a line. The splitting implementation
64: * is free to look ahead or look behind characters to make a decision.
65: * <p>
66: * The default implementation is:
67: * <p>
68: * <pre>
69: * public boolean isSplitCharacter(int start, int current, int end, char[] cc, PdfChunk[] ck) {
70: * char c;
71: * if (ck == null)
72: * c = cc[current];
73: * else
74: * c = ck[Math.min(current, ck.length - 1)].getUnicodeEquivalent(cc[current]);
75: * if (c <= ' ' || c == '-') {
76: * return true;
77: * }
78: * if (c < 0x2e80)
79: * return false;
80: * return ((c >= 0x2e80 && c < 0xd7a0)
81: * || (c >= 0xf900 && c < 0xfb00)
82: * || (c >= 0xfe30 && c < 0xfe50)
83: * || (c >= 0xff61 && c < 0xffa0));
84: * }
85: * </pre>
86: * @param start the lower limit of <CODE>cc</CODE> inclusive
87: * @param current the pointer to the character in <CODE>cc</CODE>
88: * @param end the upper limit of <CODE>cc</CODE> exclusive
89: * @param cc an array of characters at least <CODE>end</CODE> sized
90: * @param ck an array of <CODE>PdfChunk</CODE>. The main use is to be able to call
91: * {@link PdfChunk#getUnicodeEquivalent(char)}. It may be <CODE>null</CODE>
92: * or shorter than <CODE>end</CODE>. If <CODE>null</CODE> no convertion takes place.
93: * If shorter than <CODE>end</CODE> the last element is used
94: * @return <CODE>true</CODE> if the character(s) can split a line
95: */
96: public boolean isSplitCharacter(int start, int current, int end,
97: char cc[], PdfChunk ck[]);
98: }
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