001: /*
002: * $Id: PdfDashPattern.java 2671 2007-04-03 16:08:04Z psoares33 $
003: * $Name$
004: *
005: * Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
006: *
007: * The contents of this file are subject to the Mozilla Public License Version 1.1
008: * (the "License"); you may not use this file except in compliance with the License.
009: * You may obtain a copy of the License at http://www.mozilla.org/MPL/
010: *
011: * Software distributed under the License is distributed on an "AS IS" basis,
012: * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
013: * for the specific language governing rights and limitations under the License.
014: *
015: * The Original Code is 'iText, a free JAVA-PDF library'.
016: *
017: * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
018: * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
019: * All Rights Reserved.
020: * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
021: * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
022: *
023: * Contributor(s): all the names of the contributors are added in the source code
024: * where applicable.
025: *
026: * Alternatively, the contents of this file may be used under the terms of the
027: * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
028: * provisions of LGPL are applicable instead of those above. If you wish to
029: * allow use of your version of this file only under the terms of the LGPL
030: * License and not to allow others to use your version of this file under
031: * the MPL, indicate your decision by deleting the provisions above and
032: * replace them with the notice and other provisions required by the LGPL.
033: * If you do not delete the provisions above, a recipient may use your version
034: * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
035: *
036: * This library is free software; you can redistribute it and/or modify it
037: * under the terms of the MPL as stated above or under the terms of the GNU
038: * Library General Public License as published by the Free Software Foundation;
039: * either version 2 of the License, or any later version.
040: *
041: * This library is distributed in the hope that it will be useful, but WITHOUT
042: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
043: * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
044: * details.
045: *
046: * If you didn't download this code from the following link, you should check if
047: * you aren't using an obsolete version:
048: * http://www.lowagie.com/iText/
049: */
050:
051: package com.lowagie.text.pdf;
052:
053: import java.io.IOException;
054: import java.io.OutputStream;
055:
056: /**
057: * A <CODE>PdfDashPattern</CODE> defines a dash pattern as described in
058: * the PDF Reference Manual version 1.3 p 325 (section 8.4.3).
059: *
060: * @see PdfArray
061: */
062:
063: public class PdfDashPattern extends PdfArray {
064:
065: // membervariables
066:
067: /** This is the length of a dash. */
068: private float dash = -1;
069:
070: /** This is the length of a gap. */
071: private float gap = -1;
072:
073: /** This is the phase. */
074: private float phase = -1;
075:
076: // constructors
077:
078: /**
079: * Constructs a new <CODE>PdfDashPattern</CODE>.
080: */
081:
082: public PdfDashPattern() {
083: super ();
084: }
085:
086: /**
087: * Constructs a new <CODE>PdfDashPattern</CODE>.
088: */
089:
090: public PdfDashPattern(float dash) {
091: super (new PdfNumber(dash));
092: this .dash = dash;
093: }
094:
095: /**
096: * Constructs a new <CODE>PdfDashPattern</CODE>.
097: */
098:
099: public PdfDashPattern(float dash, float gap) {
100: super (new PdfNumber(dash));
101: add(new PdfNumber(gap));
102: this .dash = dash;
103: this .gap = gap;
104: }
105:
106: /**
107: * Constructs a new <CODE>PdfDashPattern</CODE>.
108: */
109:
110: public PdfDashPattern(float dash, float gap, float phase) {
111: super (new PdfNumber(dash));
112: add(new PdfNumber(gap));
113: this .dash = dash;
114: this .gap = gap;
115: this .phase = phase;
116: }
117:
118: public void add(float n) {
119: add(new PdfNumber(n));
120: }
121:
122: /**
123: * Returns the PDF representation of this <CODE>PdfArray</CODE>.
124: */
125:
126: public void toPdf(PdfWriter writer, OutputStream os)
127: throws IOException {
128: os.write('[');
129:
130: if (dash >= 0) {
131: new PdfNumber(dash).toPdf(writer, os);
132: if (gap >= 0) {
133: os.write(' ');
134: new PdfNumber(gap).toPdf(writer, os);
135: }
136: }
137: os.write(']');
138: if (phase >= 0) {
139: os.write(' ');
140: new PdfNumber(phase).toPdf(writer, os);
141: }
142: }
143: }
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