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/*
* $Id: PDFLink.java,v 1.12 2003/03/07 08:25:47 jeremias Exp $
* ============================================================================
* The Apache Software License, Version 1.1
* ============================================================================
*
* Copyright (C) 1999-2003 The Apache Software Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modifica-
* tion, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by the Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "FOP" and "Apache Software Foundation" must not be used to
* endorse or promote products derived from this software without prior
* written permission. For written permission, please contact
* apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache", nor may
* "Apache" appear in their name, without prior written permission of the
* Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* APACHE SOFTWARE FOUNDATION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLU-
* DING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ============================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of the Apache Software Foundation and was originally created by
* James Tauber <jtauber@jtauber.com>. For more information on the Apache
* Software Foundation, please see <http://www.apache.org/>.
*/
package org.apache.fop.pdf;
// Java
import java.awt.geom.Rectangle2D;
/**
* class representing an /Annot object of /Subtype /Link
*/
public class PDFLink extends PDFObject {
/**
* Used to represent an external link.
*/
public static final int EXTERNAL = 0;
/**
* Used to represent an internal link.
*/
public static final int INTERNAL = 1;
private float ulx;
private float uly;
private float brx;
private float bry;
private String color;
private PDFAction action;
/**
* create objects associated with a link annotation (GoToR)
*
* @param r the rectangle of the link hotspot in absolute coordinates
*/
public PDFLink(Rectangle2D r) {
/* generic creation of PDF object */
super();
this.ulx = (float)r.getX();
this.uly = (float)r.getY();
this.brx = (float)(r.getX() + r.getWidth());
this.bry = (float)(r.getY() + r.getHeight());
this.color = "0 0 0"; // just for now
}
/**
* Set the pdf action for this link.
* @param action the pdf action that is activated for this link
*/
public void setAction(PDFAction action) {
this.action = action;
}
/**
* @see org.apache.fop.pdf.PDFObject#toPDFString()
*/
public String toPDFString() {
String s = getObjectID()
+ "<< /Type /Annot\n" + "/Subtype /Link\n" + "/Rect [ "
+ (ulx) + " " + (uly) + " "
+ (brx) + " " + (bry) + " ]\n" + "/C [ "
+ this.color + " ]\n" + "/Border [ 0 0 0 ]\n" + "/A "
+ this.action.getAction() + "\n" + "/H /I\n>>\nendobj\n";
return s;
}
/*
* example
* 19 0 obj
* <<
* /Type /Annot
* /Subtype /Link
* /Rect [ 176.032 678.48412 228.73579 692.356 ]
* /C [ 0.86491 0.03421 0.02591 ]
* /Border [ 0 0 1 ]
* /A 28 0 R
* /H /I
* >>
* endobj
*/
/**
* Check if this equals another object.
*
* @param obj the object to compare
* @return true if this equals other object
*/
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (obj == null || !(obj instanceof PDFLink)) {
return false;
}
PDFLink link = (PDFLink)obj;
if (!((link.ulx == ulx) && (link.uly == uly)
&& (link.brx == brx) && (link.bry == bry))) {
return false;
}
if (!(link.color.equals(color)
&& link.action.getAction().equals(action.getAction()))) {
return false;
}
return true;
}
}
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