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/*
* $Id: PdfDashPattern.java,v 1.33 2003/05/02 09:01:18 blowagie Exp $
* $Name: $
*
* Copyright 1999, 2000, 2001, 2002 Bruno Lowagie
*
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.pdf;
import java.io.IOException;
import java.io.OutputStream;
/**
* A <CODE>PdfDashPattern</CODE> defines a dash pattern as described in
* the PDF Reference Manual version 1.3 p 325 (section 8.4.3).
*
* @see PdfArray
*/
public class PdfDashPattern extends PdfArray {
// membervariables
/** This is the length of a dash. */
private float dash = -1;
/** This is the length of a gap. */
private float gap = -1;
/** This is the phase. */
private float phase = -1;
// constructors
/**
* Constructs a new <CODE>PdfDashPattern</CODE>.
*/
public PdfDashPattern() {
super();
}
/**
* Constructs a new <CODE>PdfDashPattern</CODE>.
*/
public PdfDashPattern(float dash) {
super(new PdfNumber(dash));
this.dash = dash;
}
/**
* Constructs a new <CODE>PdfDashPattern</CODE>.
*/
public PdfDashPattern(float dash, float gap) {
super(new PdfNumber(dash));
add(new PdfNumber(gap));
this.dash = dash;
this.gap = gap;
}
/**
* Constructs a new <CODE>PdfDashPattern</CODE>.
*/
public PdfDashPattern(float dash, float gap, float phase) {
super(new PdfNumber(dash));
add(new PdfNumber(gap));
this.dash = dash;
this.gap = gap;
this.phase = phase;
}
public void add(float n) {
add(new PdfNumber(n));
}
/**
* Returns the PDF representation of this <CODE>PdfArray</CODE>.
*
* @return an array of <CODE>byte</CODE>s
*/
public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
os.write('[');
if (dash >= 0) {
new PdfNumber(dash).toPdf(writer, os);
if (gap >= 0) {
os.write(' ');
new PdfNumber(gap).toPdf(writer, os);
}
}
os.write(']');
if (phase >=0) {
os.write(' ');
new PdfNumber(phase).toPdf(writer, os);
}
}
}
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