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/*
* Copyright 1999-2004 The Apache Software Foundation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id$ */
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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